CN110804492A

CN110804492A - Multilayer leacher

Info

Publication number: CN110804492A
Application number: CN201911128655.6A
Authority: CN
Inventors: 曹瑞军; 郑峰; 秦忠凯; 王伟; 闫茂里; 李萌
Original assignee: SHANDONG CHEMSTA MACHINERY MANUFACTURING Co Ltd
Current assignee: SHANDONG CHEMSTA MACHINERY MANUFACTURING Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-02-18

Abstract

The invention discloses a multilayer leacher which comprises a shell, wherein a feeding box, a discharging hopper, a plurality of layers of grid plates and a guide plate are arranged on the shell; the feeding box is arranged at the upper part of the shell, the discharging hopper is arranged at the lower part of the shell, the guide plate is arranged at the lower part of the grid plates, each two layers of grid plates are provided with an annular chain, and the annular chains are driven to rotate by a transmission mechanism; the materials can be subjected to the process of turning over from the upper grid plate to the lower grid plate for many times in the leacher, the materials can be rearranged and become loose in each turning over process, and meanwhile, the turning over process can break the plate layer on the surface, so that uniform leaching and solvent permeation are facilitated.

Description

Multilayer leacher

Technical Field

The invention relates to a multilayer leacher which can be used for extracting vegetable oil, protein or other effective components and belongs to the technical field of leaching equipment.

Background

With the continuous promotion of the industrialization process and the continuous expansion of the production scale, the specification of the continuous leacher is gradually increased, and the most widely used large continuous leacher at present is an annular leacher and a drag chain leacher.

In the leacher in the prior art, materials are turned over only once in the leaching process, and the materials in each part are not uniformly leached. In the leaching process of the materials, if the materials are not turned over for a long time, the surface layer gradually becomes hardened, so that the solvent permeation rate is reduced, and the leaching effect is influenced.

The leacher in the prior art needs larger power along with the increasing of the length, and the strength requirement on a transmission part is also increased, so that the manufacturing cost is increased; meanwhile, the leaching device which is continuously lengthened can also influence the equipment arrangement and the plant layout in the workshop.

Disclosure of Invention

The invention aims to solve the technical problem of providing a multilayer extractor aiming at breaking through the bottleneck of the existing large extractor in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a multilayer leacher comprises a shell, wherein a feeding box, a discharging hopper, a plurality of layers of grid plates and a guide plate are arranged on the shell; the feeding box is arranged at the upper part of the shell, the discharging hopper is arranged at the lower part of the shell, the guide plate is arranged at the lower part of the grid plates, each two layers of grid plates are provided with an annular chain, and the annular chains are driven to rotate by a transmission mechanism; the materials can be subjected to the process of turning over from the upper grid plate to the lower grid plate for many times in the leacher, the materials can be rearranged and become loose in each turning over process, and meanwhile, the turning over process can break the plate layer on the surface, so that uniform leaching and solvent permeation are facilitated.

As a further improvement of the above technical solution, the transmission mechanism includes a driving shaft system, a driven shaft system and a tensioning shaft system; the annular chain is sequentially wound on chain wheels of the driving shaft system, the driven shaft system and the tensioning shaft system; the endless chain includes an upper endless chain and a lower endless chain.

As a further improvement of the above technical scheme, the upper endless chain is sequentially wrapped around sprockets of the upper tensioning shaft system, the first driven shaft system, the second driven shaft system and the upper driving shaft system; and the lower annular chain is sequentially wrapped on chain wheels of the lower tensioning shaft system, the third driven shaft system, the fourth driven shaft system and the lower driving shaft system.

As a further improvement of the above technical solution, the active shafting includes an upper active shafting and a lower active shafting; the upper driving shaft system and the lower driving shaft system respectively comprise a bearing seat, a sealing seat, a driving shaft and a driving chain wheel which are sequentially connected.

As a further improvement of the technical scheme, the driving shaft is connected with a hydraulic transmission device; the hydraulic transmission device is connected with a torque arm fixing seat through a torque arm, and the torque arm fixing seat is connected with the shell.

As a further improvement of the above technical solution, the hydraulic transmission device is connected with a hydraulic station, and the hydraulic transmission device is driven by the hydraulic station. The driving shaft is driven by a hydraulic transmission device at the shaft end, the hydraulic transmission device is driven by a hydraulic station, and the hydraulic transmission device is connected with the torque arm fixing seat through a torque arm. The hydraulic transmission devices for driving the upper driving shafting and the lower driving shafting are mutually independent and are driven by two different hydraulic stations. Compared with the original single driving system, the load of the transmission part is reduced by half, the stress condition is improved, and the reliability is improved. When the machine is started, the transmission system at the lower part is started, and when the machine is shut down, the transmission system at the upper part is closed, so that the material accumulation is prevented.

As a further improvement of the technical scheme, the upper annular chain and the lower annular chain are both provided with a plurality of scraping plates.

As a further improvement of the above technical solution, the grid plates include a first layer of grid plate, a second layer of grid plate, a third layer of grid plate and a fourth layer of grid plate; the lower part of the first layer of grid plate is provided with a first layer of guide plate, the second layer of grid plate is arranged at the lower part of the first layer of guide plate, and the lower part of the second layer of grid plate is provided with a second layer of guide plate; the third layer of grid plates are arranged at the lower part of the second layer of guide plate, and the lower part of the third layer of grid plates is provided with a third layer of guide plate; the fourth layer of grid plates are arranged at the lower part of the third layer of guide plate, and the lower part of the fourth layer of grid plates is provided with a fourth layer of guide plate; a transition plate is arranged on the left side of the second layer of grid plate; and spraying devices are respectively arranged above the first layer of grid plate, the second layer of grid plate, the third layer of grid plate and the fourth layer of grid plate. The material enters the left end of the first layer grid plate from the feeding box, the upper driving shaft drives the upper annular chain and the scraping plate to push the material to move to the right end of the first layer grid plate, the material falls to the right end of the second layer grid plate and then continues to be pushed to the left end of the second layer grid plate and falls to the left end of the third layer grid plate or falls to the left end of the third layer grid plate through the transition plate.

As a further improvement of the technical scheme, an oil groove is formed in the lower portion of the fourth layer of the guide plate, the oil groove is formed by a plurality of small oil grooves which are in inverted four-side conical shapes, each small oil groove is divided into four oil grids through partition plates, outlets of the oil grids are connected with inlets of the circulating pumps, and outlets of the circulating pumps are connected with the spraying device.

As a further improvement of the technical scheme, the first layer of guide plate, the second layer of guide plate and the third layer of guide plate are respectively provided with a plurality of outlets on the side wall of the shell, the outlets are connected with guide pipes, and the lower ends of the guide pipes are communicated with corresponding oil grids; the fourth layer of guide plate is directly connected with the corresponding oil grids; the transfer process of the mixed oil strictly follows the principle of concentration gradient, and ensures that the concentration of the withdrawn mixed oil is the highest.

As a further improvement of the technical scheme, the left end of the fourth layer of grid plate is a draining section, and 2 oil grids corresponding to the draining section are arranged; the left end of the second layer grid plate is a middle draining section, and 2 oil grids corresponding to the middle draining section are arranged; in the leaching process, the middle leaching section is arranged, so that the materials are subjected to a complete leaching process, the concentration gradient is more obvious, and the leaching is more complete.

Compared with the prior art, the invention has the beneficial effects that: the materials can be subjected to the process of turning over from the upper grid plate to the lower grid plate for many times in the leacher, the materials can be rearranged and become loose in each turning over process, and meanwhile, the turning over process can break the plate layer on the surface, so that uniform leaching and solvent permeation are facilitated.

In the leaching process, the middle leaching section is arranged, so that the materials are subjected to a complete leaching process, the concentration gradient is more obvious, and the leaching is more complete. In addition, compared with other leachers, the multi-layer leacher has the advantages that the length of equipment is greatly shortened under the condition of the same treatment capacity, the manufacturing cost is saved, and the multi-layer leacher is favorable for workshop equipment arrangement and plant layout.

The transfer process of the mixed oil strictly follows the principle of concentration gradient, and ensures that the concentration of the withdrawn mixed oil is the highest.

Drawings

Figure 1 is a front view of a multi-layered extractor.

FIG. 2 is a top view of a sump of a multi-layered extractor.

FIG. 3 is a cross-sectional view of a multi-layered extractor.

Fig. 4 is a front view of the drive shaft system.

Fig. 5 is an external view of a multilayer extractor.

Fig. 6 is a left side view of the multi-layered extractor.

In the figure, 1, a support leg, 2, an access hole, 3, a lower annular chain, 4, a shell, 5, a transition plate, 6, a scraping plate, 7, an upper annular chain, 8, a feeding box, 9, a long strip view mirror, 10, a spraying device, 11, a view mirror, 12, a manhole, 13, a first grid plate, 14, a first guide plate, 15, a guide pipe, 16, a second grid plate, 17, a second guide plate, 18, a third grid plate, 19, a third guide plate, 20, a fourth grid plate, 21, a fourth guide plate, 22, an oil groove, 23, an overflow pipe, 24, a lower driving shaft system, 24-1, a bearing seat, 24-2, a sealing seat, 24-3, a driving shaft, 24-4, a driving chain wheel, 25, a lower shaft system tensioning, 26, an upper driving shaft system, 27, an upper tensioning shaft system, 28, a first driven shaft system, 29, a second driven shaft system, 30, a third driven shaft system, 31. a fourth driven shaft system, 32 reinforcing ribs, 33 hydraulic stations, 34 hydraulic pipelines, 35 hydraulic transmission devices, 36 torque arms, 37 torque arm fixing seats and 38 discharge hoppers.

Detailed Description

The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-6, a multilayer leacher comprises a shell 4, wherein a feeding box 8, a discharging hopper 38, a plurality of layers of grid plates and a guide plate are arranged on the shell 4; the feeding box 8 is arranged on the upper portion of the shell, the discharging hopper 38 is arranged on the lower portion of the shell 4, the guide plates are arranged on the lower portions of the grid plates, each two layers of grid plates are provided with an annular chain, and the annular chains are driven to rotate through a transmission mechanism.

The transmission mechanism comprises a driving shaft system, a driven shaft system and a tensioning shaft system; the annular chain is sequentially wound on chain wheels of the driving shaft system, the driven shaft system and the tensioning shaft system; the endless chain comprises an upper endless chain 7 and a lower endless chain 3.

The upper annular chain 7 is sequentially wound on the chain wheels of the upper tensioning shaft system 27, the first driven shaft system 28, the second driven shaft system 29 and the upper driving shaft system 26; the lower annular chain 3 is sequentially wrapped on the chain wheels of the lower tensioning shaft system 25, the third driven shaft system 30, the fourth driven shaft system 31 and the lower driving shaft system 24.

The driving shafting comprises an upper driving shafting 26 and a lower driving shafting 24; the upper driving shaft system 26 and the lower driving shaft system 24 respectively comprise a bearing seat 24-1, a sealing seat 24-2, a driving shaft 24-3 and a driving chain wheel 24-4 which are sequentially connected.

The driving shaft 24-3 is connected with a hydraulic transmission device 35; the hydraulic actuator 35 is connected to a torque arm holder 37 via a torque arm 36, and the torque arm holder 37 is connected to the housing 4.

The hydraulic transmission device 35 is connected with a hydraulic station 33, and the hydraulic transmission device 35 is driven by the hydraulic station 33.

In use, the drive shaft 24-3 is driven by a hydraulic actuator 35 at the shaft end, the hydraulic actuator 35 is driven by the hydraulic station 33, and the hydraulic actuator 35 is connected to a torque arm fixing base 37 via a torque arm 36. Since the hydraulic drives driving the upper drive shafting 26 and the lower drive shafting 24 are independent of each other, they are driven by two different hydraulic stations. Compared with the original single driving system, the load of the transmission part is reduced by half, the stress condition is improved, and the reliability is improved. When the machine is started, the transmission system at the lower part is started, and when the machine is shut down, the transmission system at the upper part is closed, so that the material accumulation is prevented.

And the upper annular chain 7 and the lower annular chain 3 are both provided with a plurality of scraping plates 6.

The grid plates comprise a first layer of grid plate 13, a second layer of grid plate 16, a third layer of grid plate 18 and a fourth layer of grid plate 20; a first layer of guide plate 14 is arranged at the lower part of the first layer of grid plate 13, the second layer of grid plate 16 is arranged at the lower part of the first layer of guide plate 14, and a second layer of guide plate 17 is arranged at the lower part of the second layer of grid plate 16; the third layer of grid plates 18 are arranged at the lower part of the second layer of guide plate 19, and the lower part of the third layer of grid plates 18 is provided with a third layer of guide plate 19; the fourth layer of grid plates 20 are arranged at the lower part of the third layer of guide plate 19, and the lower part of the fourth layer of grid plates 20 is provided with a fourth layer of guide plate 21.

The transition plate 5 is arranged on the left side of the second layer grid plate 16.

When in use, the running directions of the materials are as follows: the material enters the left end of the first layer grid plate 13 from the feeding box 8, the upper driving shaft system 26 drives the upper annular chain 7 and the scraper plate 6 to push the material to move to the right end of the first layer grid plate 13, the material falls to the right end of the second layer grid plate 16, and then the material is continuously pushed to the left end of the second layer grid plate 16 and falls to the left end of the third layer grid plate 18, or falls to the left end of the third layer grid plate 18 through the transition plate 5.

The lower driving shaft system 24 drives the lower annular chain 3 and the scraper plate 6 to push the material to move from the left end of the third layer grid plate 18 to the right end of the third layer grid plate 18, the material falls to the right end of the fourth layer grid plate 20, and then the material is continuously pushed to the left end of the fourth layer grid plate 20, falls to the discharge hopper 38, and enters the next process. The materials can be subjected to the process of falling from the grid plate on the upper layer to the grid plate on the lower layer for three times in the leacher, the materials can be rearranged and become loose in the falling process every time, and meanwhile, the falling process can break the plate layer on the surface, so that the leaching is uniform and the solvent can permeate.

The spraying devices 10 are respectively arranged above the first layer grid plate 13, the second layer grid plate 16, the third layer grid plate 18 and the fourth layer grid plate 20; the spraying device 10 is arranged on the top cover and the side wall above the first layer grid plate 13, the upper tensioning shaft system 27 is arranged on the left side of the first layer grid plate 13, and the first driven shaft system 28 is arranged on the right side; the spraying device 10 is arranged on the side wall above the second layer grid plate 16, the left side of the second layer grid plate 16 is provided with an upper driving shaft system 26, and the right side of the second layer grid plate 16 is provided with a second driven shaft system 29. The spraying device 10 is arranged on the side wall above the third layer grid plate 18, the lower tensioning shaft system 25 is arranged on the left side of the third layer grid plate 18, and the third driven shaft system 30 is arranged on the right side of the third layer grid plate. The spraying device 10 is arranged on the side wall above the fourth layer grid plate 20, the left side of the fourth layer grid plate is provided with a lower driving shaft system 24, and the right side of the fourth layer grid plate is provided with a fourth driven shaft system 31.

The below of fourth layer guide plate 21 is provided with oil groove 22, oil groove 22 comprises a plurality of, and the preferred four little oil grooves that choose for use are the toper in four sides of inversion, and every little oil groove passes through the baffle and falls into four oil grids, and the entry of the exit linkage circulating pump of oil grid, the export of circulating pump are connected with spray set 10.

The first layer of guide plate 14, the second layer of guide plate 17 and the third layer of guide plate 19 are respectively provided with a plurality of outlets on the side wall of the shell 4, the outlets are connected with a guide pipe 15, and the lower end of the guide pipe 15 is communicated with corresponding oil grids; the fourth layer of guide plate 21 is directly connected with the corresponding oil grid.

When the device is used, the mixed oil in the oil grid carries out a self-circulation process, is pumped out by the circulating pump, is sent to the corresponding spraying device 10, is sprayed downwards, soaks and leaches materials, permeates into the corresponding guide plate below the grid plate, then returns to the oil grid through the corresponding guide pipe 15 or directly, is pumped out by the circulating pump, and circulates in the way.

Due to the continuous supply of fresh solvent, the mixed oil is transferred stepwise in the opposite direction to the material running direction in addition to self-circulation. The oil grids are provided with overflow pipes 23, and the inlet heights of the overflow pipes 23 are sequentially reduced according to the overflow sequence.

When in use, the left end of the fourth layer grid plate 20 is a draining section, and 2 oil grids corresponding to the draining section are provided; the left end of the second layer grid plate 16 is a middle draining section, and 2 oil grids corresponding to the middle draining section are arranged. The arrangement of the middle draining section leads the materials to be subjected to a complete draining process, so that the concentration gradient is more obvious and the leaching is more complete.

In order to conveniently express the transfer direction of the mixed oil, the guide plates and the oil grids corresponding to the guide plates are numbered respectively, wherein A is the mixed oil. Fresh solvent enters from a spraying device corresponding to the draining section, the fresh solvent enters into two No. a oil grids through two No. a guide plates after soaking and rinsing materials to form mixed oil, outlets of the two No. a oil grids are connected with the same circulating pump, an overflow pipe inlet on the No. b oil grid is lower than an overflow pipe inlet of the No. a oil grid, the mixed oil overflows from the No. a oil grid to the No. b oil grid through an overflow pipe, a partition plate between the No. d oil grid and the No. c oil grid is lower than an overflow pipe inlet of the No. b oil grid, the mixed oil overflows from the No. b oil grid to the No. c oil grid through the overflow pipe, the analogy is repeated, the mixed oil overflows from the No. c oil grid to the No. d oil grid through the middle partition plate, overflows from the No. d oil grid to the No. e oil grid through the overflow pipe, overflows from the No. e oil grid to the No. f oil grid, overflows from the No. f oil grid to the No. g oil grid, an outlet of the circulating pump connected with, still connect the spray set that No. h guide plate corresponds, the miscella soaks and drip washing the material after, through No. h guide plate, the honeycomb duct gets into No. h oil check, make the transfer process of miscella carry on step by step, the miscella overflows to No. i oil check from No. h oil check through the overflow pipe, overflow to No. j oil check from No. i oil check, overflow to No. k oil check from No. j oil check through the baffle, overflow to No. l oil check from No. k oil check through the overflow pipe, overflow to No. m oil check from No. l oil check, overflow to No. n oil check from No. m oil check, final thickened oil is removed from No. n oil check, the transfer process of miscella has strictly followed the concentration gradient principle, the miscella concentration that ensures to withdraw from is the highest.

In the above embodiment, the lower part of the multilayer extractor is provided with a support leg 1 for supporting the whole multilayer extractor, the side wall of the shell 4 is provided with an access hole 2, and when the multilayer extractor needs to be maintained, the maintenance of the multilayer extractor is facilitated through the access hole 2; a strip sight glass 9 is arranged on the feeding box 8 and used for monitoring the feeding state of the feeding box 8; still be provided with sight glass 11 and manhole 12 on the casing 4, wherein sight glass 11 is provided with a plurality of for the inside condition of monitoring multilayer leaches the ware, manhole 12 can make things convenient for the inside installation, the dismantlement, washing and the maintenance of multilayer leaches the ware.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The multilayer leacher is characterized by comprising a shell (4), wherein a feeding box (8), a discharging hopper (38), a plurality of layers of grid plates and a guide plate are arranged on the shell (4); the feeding box (8) is arranged on the upper portion of the shell, the discharging hopper (38) is arranged on the lower portion of the shell (4), the guide plates are arranged on the lower portions of the grid plates, annular chains are arranged on every two layers of grid plates, and the annular chains drive the grid plates to rotate through the transmission mechanism.

2. The multi-layer leacher of claim 1, wherein the transmission comprises a drive shaft, a driven shaft, and a tension shaft; the annular chain is sequentially wound on chain wheels of the driving shaft system, the driven shaft system and the tensioning shaft system; the endless chain comprises an upper endless chain (7) and a lower endless chain (3).

3. The multi-layer leacher of claim 2, wherein the upper endless chain (7) is wrapped around the sprockets of the upper tensioning shaft system (27), the first driven shaft system (28), the second driven shaft system (29), the upper driving shaft system (26) in sequence; the lower annular chain (3) is sequentially wrapped on chain wheels of the lower tensioning shaft system (25), the third driven shaft system (30), the fourth driven shaft system (31) and the lower driving shaft system (24).

4. The multi-layered leacher of claim 2, wherein the active shaft system comprises an upper active shaft system (26) and a lower active shaft system (24); the upper driving shaft system (26) and the lower driving shaft system (24) respectively comprise a bearing seat (24-1), a sealing seat (24-2), a driving shaft (24-3) and a driving chain wheel (24-4) which are sequentially connected.

5. The multilayer extractor as claimed in claim 4, characterized in that said driving shaft (24-3) is connected with a hydraulic transmission (35); the hydraulic transmission device (35) is connected with a torsion arm fixing seat (37) through a torsion arm (36), and the torsion arm fixing seat (37) is connected with the shell (4).

6. The multi-layered extractor as claimed in claim 5, wherein said hydraulic transmission (35) is connected with a hydraulic station (33), said hydraulic transmission (35) being driven by said hydraulic station (33).

7. The multi-layer leacher of claim 2, wherein a plurality of scraper plates (6) are provided on both the upper endless chain (7) and the lower endless chain (3).

8. The multi-layer leacher of claim 1, wherein the grid comprises a first layer of grid (13), a second layer of grid (16), a third layer of grid (18), and a fourth layer of grid (20); a first layer of guide plate (14) is arranged at the lower part of the first layer of grid plate (13), the second layer of grid plate (16) is arranged at the lower part of the first layer of guide plate (14), and a second layer of guide plate (17) is arranged at the lower part of the second layer of grid plate (16); the third layer of grid plates (18) are arranged at the lower part of the second layer of guide plate (19), and the lower part of the third layer of grid plates (18) is provided with a third layer of guide plate (19); the fourth layer of grid plates (20) are arranged at the lower part of the third layer of guide plate (19) and the lower part of the fourth layer of grid plates (20) is provided with a fourth layer of guide plate (21).

9. The multi-layer leacher of claim 8, wherein the second layer of grid (16) is provided with a transition plate (5) on the left side.

10. The multi-layer leacher of claim 8, wherein a spray device (10) is arranged above each of the first layer grid (13), the second layer grid (16), the third layer grid (18) and the fourth layer grid (20).

11. The multilayer leacher according to claim 8, characterized in that an oil groove (22) is arranged below the fourth layer of guide plates (21), the oil groove (22) is composed of a plurality of small oil grooves with inverted four-sided cone shapes, each small oil groove is divided into four oil grids by partition plates, the outlets of the oil grids are connected with the inlet of the circulating pump, and the outlet of the circulating pump is connected with the spraying device (10).

12. The multilayer leacher according to the claim 11, characterized in that the first layer of guide plate (14), the second layer of guide plate (17) and the third layer of guide plate (19) are respectively provided with a plurality of outlets on the side wall of the shell (4), the outlets are connected with a guide pipe (15), and the lower end of the guide pipe (15) is communicated with the corresponding oil grid; wherein, the fourth layer of guide plate (21) is directly connected with the corresponding oil grid.

13. The multi-stage leacher of claim 8, wherein the left end of the fourth stage grid (20) is a draining stage, and there are 2 oil compartments corresponding to the draining stage; the left end of the second layer grid plate (16) is a middle draining section, and 2 oil grids corresponding to the middle draining section are arranged.