CN2486555Y - Multilayer multiple grid tray extractor - Google Patents

Abstract

The utility model discloses a multiple-layer duplex grid tray extractor which is composed of a shell body with a feeding hopper and a discharging hopper; and an oil collection channel, a grid tray, a duplex grid tray, a spray pipe and a material conveyance mechanism in the shell. The novel structure can make the material be turned many times in the leaching process and leach with a low material level. The continuous feeding can raise the leaching efficiency of equipment. Especially, the material with high oil content can meet the criteria of residual oil by once leaching. The utility model has the advantages of simplifying the production process, lowing cost and improving pulp quality, which is suitable to be widely used as an equipment to produce oil with soybean, peanut, cottonseed and rapeseed by leaching process.

Description

Multi-layer compound screen leacher

The utility model involves in grain and oil machinery, particularly the oil plant leaching plant.

The at present widely used leaching plant that is used for the extraction of material grease mainly contains flat-turn leacher, ring-like leacher etc.Bed depth during its work of flat-turn leacher is all between 1.25m-2.5m, because bed of material height, perviousness extreme difference when producing the big material of the last degree of material, easily cause leach uneven, the material time of draining that the production adsorptive capacity is big can be very long, and solvent drains does not thoroughly influence Residual oil in the dregs of rice; Production moisture content easily causes the not blanking of leaching lattice to put up a bridge greater than 10 material, and causing can't ordinary production.Though and ring-like leacher develops into the III type, overcome that flat-turn leacher bed of material height, poor permeability, blanking are easily put up a bridge and the shortcoming of blanking inequality, but it is thin that it self exists the bed of material, and the bed of material influences quality of crude oil to the filter poor performance certainly of solvent thereby increased the impurity content in the mixing oil.Aforesaid device overall dimensions are bigger simultaneously, and inconvenience is made and transportation.

The utility model task is: overcome the deficiencies in the prior art, design a kind of material that can make and in leaching process, repeatedly stir, hang down the material level leaching, blanking is continuous, leaching efficiency is high, can disposable leaching reach the Residual oil standard to high oil-containing material, has compact construction simultaneously, production technique is simple, the multi-layer compound screen leacher that production cost is low.

Task of the present utility model realizes as follows: multi-layer compound screen leacher is that existing leaching plant is improved, on the basis of the equipment that oil groove, screen, shower, the material conveyor that is provided with in by housing and the hopper that has, material-falling hopper and housing constitutes, the screen top on oil trap is the fixing compound screen of one deck again.The utility model is owing to increase one deck screen, can reduce bed depth like this, improve the material perviousness, the solvent by material is carried out twice filtration, can reduce the impurity content in the mixing oil widely, the utility model compared with prior art, it has simple in structure, compactness to be convenient to transportation, can be produced by batch by the special manufacturer, floor space is little, watt consumption is low, good airproof performance, the advantage of the low easy-maintaining of failure rate.Particularly multilayer oil trap, multilayer screen and compound grid plate structure are adopted in design.In this machine, can use to spray novel solvent and extracted twice mixing oil technology twice, make these facility that greasy function in the various oil-containing materials of extraction be arranged.Adopt said structure and technology leaching efficiency to improve greatly, thereby improved the throughput of equipment.This machine can once be finished twice leaching to high oil-containing material and reach material Residual oil standard.Compare with tradition squeezing extract technology and to have saved squeezing process, thereby reduce production costs, save facility investment, can improve the quality of byproduct effectively.

Accompanying drawing is a front section view of the present utility model:

Among the figure: (1) hopper, (2) material level control baffle plate, (3) ring-like drag chain, the compound screen in (4) (11), (5) drive sprocket, (6) upper casing, (7) (9) (12) (13) screen, (8) oil trap, (10) sprocket wheel, (14) material-falling hopper, (15) (16) (17) (18) (19) shower, (20) lower casing, (21) access opening.

A most preferred embodiment of the present utility model, as figure, multi-layer compound screen leacher is to design on the basis of prior art " plate dryer " structure formation, is a kind of purposes and " plate dryer " diverse system oil equipment.Exterior design is box minute body structure, and multilayer oil trap, screen and compound screen and ring-like drag chain structure are adopted in indoor design.Form by hopper (1), material level control baffle plate (2), ring-like drag chain (3), compound screen (4) (11), drive sprocket (5), upper casing (6), screen (7) (9) (12) (13), oil trap (8), sprocket wheel (10), material-falling hopper (14), shower (15) (16) (17) (18) (19), lower casing (20), access opening (21).Wherein the casing design is divided into upper casing (6), lower casing (20).Be provided with hopper (1), material level control baffle plate (2), oil trap (8), compound screen (4), screen (7) (9), shower (15) (16) (17) (19), drive sprocket (5), sprocket wheel (10), access opening (21) in the upper casing (6); Be provided with oil trap (8), compound screen (11), screen (12) (13), sprocket wheel (10), material-falling hopper (14), shower (18) (19), access opening (21) in the lower casing (20); The project organization compactness can solve the problem because of the big inconvenience transportation of equipment volume like this, thereby equipment can be produced assurance device fabrication quality by batch by the special manufacturer.Said hopper (1) effect is, to must the asking of material, can prevent that hazardous gas from being overflowed by hopper (1) simultaneously when the material that guarantees to have certain altitude and quantity satisfies device fabrication.Said material level control baffle plate (2) is used to guarantee that material is evenly distributed in ring-like drag chain (3), and adjustable material all in one piece layer height is controlled inlet amount.It is to be made of two uninterrupted chains and material drag bar for a said ring-like drag chain (3), can drag material and do uninterrupted moving.Said compound screen (4) (11), screen (7) (9) (12) (13) adopt fixed, play material and solvent filter centrifugation, and play the effect of supporting ring-like drag chain (3) and material.Said drive sprocket (5) is used to transmit external torsion and drives ring-like drag chain (3) and do directed moving.Said oil trap (8) is used for concentrating the solvent by the screen drippage, and works to store the some amount solvent.Said sprocket wheel (10) plays guiding and supports ring-like drag chain.Said material-falling hopper (14) plays material stock and the usefulness of doing that is connected with material transfer equipment.Said shower (15) (16) (17) (18) (19) is used for uniform distribution spray solvent and delivery solvent.Said access opening (21) is for installing, overhaul convenient the setting.Compound grid plate structure has been adopted in the utility model design.Said compound grid plate structure is characterized in that: the top of screen (7) (12) on oil trap (8), different according to the characteristic of production material and production unit model have increased one deck screen (4) (11) (claiming compound screen) again in position by design requirements.The common ground of this structure and prior art leaching plant is: all have oil trap and the screen above the oil trap.Difference is that the top of this equipment screen on oil trap has increased one deck screen (claiming compound screen) again.This structure can reduce bed depth and improve the material perviousness, simultaneously the solvent by material is carried out twice filtration, greatly reduces the impurity content in the mixing oil.Above-mentioned solvent is carried out twice filtration realize: equably the material that is distributed on the compound screen (4) is sprayed solvent when the work as the shower (15) (19) that in upper casing (6), is arranged on above the compound screen (4) by following manner, solvent drenches behind the material on the compound screen (4) by compound screen (4) and feed separation, material has carried out filtering for the first time to solvent, material on solvent and the compound screen (4) is by after compound screen (4) and the feed separation directly in the material of pouring on screen (7), solvent sees through material again by screen (7) and feed separation, material has carried out filtering for the second time to solvent, is concentrated by oil trap (8) by the solvent of screen (7).This material carries out twice filtering mode to solvent and claims compound spray.

Spray material twice at same extracting stage internal solvent during the utility model work, material is stirred again simultaneously, solvent can be finished abundant moistening material, dissolve the grease that it accumulates in the surface in the extremely short time, grease is leached enter diffusion phase by the washing stage very soon, thereby accelerated leaching rate, shorten extraction time, improved equipment capacity effectively.In the utility model when design, adopted multilayer oil trap, screen and compound screen and ring-like drag chain etc. in the inside of box external form, spray novel solvent and extracted twice mixing oil technology twice owing to can adopt in this structural this machine of characteristics, can once finish twice leaching to high oil-containing material, must not carry out squeezing process and handle, can improve the quality of byproduct fully material.Twice spray novel solvent and extracted twice mixing oil specific practice are, locate to carry for the first time mixing oil at shower (15), locate to spray for the first time novel solvent at shower (16), locate to carry for the second time mixing oil, locate to spray for the second time novel solvent at shower (18) at shower (17).The utility model working process is: after going into that material behind the machine is dragged by ring-like drag chain (3) and being distributed by material level control baffle plate (2), move right on compound screen (4), while shower (15) (19) carries out preimpregnation to material spray solvent and reaches the greasy washing in surface.Material falls into when moving to the end of compound screen (4) and obtains above the screen (7) stirring for the first time, dragged left by ring-like drag chain again, material carries out secondary drip washing being through the material on the compound screen (4) and the mixing oil of compound screen (4) on the screen (7), finishes compound spray for the first time.Material has carried out twice filtration to mixing oil simultaneously, thereby the impurity content that falls into the oil trap mixing oil reduces greatly, the mixing oil of this moment can be taken out by shower (15) to evaporate.Material falls into screen (9) by screen (7) and gets back and stir, and is dragged the penetration stage that enters leaching to the right by ring-like drag chain, at this moment can take to spray novel solvent or mixing oil by shower (16) according to the oil-containing situation of material.Material is dragged out screen (9) and is fallen into compound screen (11), continue again to be moved to the left and fall on the screen (12), material on compound screen (11), screen (12) is set at shower (17) (19) above the compound screen (11) drenches solvent through material and compound screen (11) and sprays again to leach and finish compound spray for the second time, and the mixing oil that falls into oil trap can be taken out evaporate or continue by shower (17) and circulate according to the extract technology situation.Material by ring-like drag chain drag fall into compound screen (11) by screen (9) after, passed through screen (12) again and fallen into screen (13), got back in this process and stirred for three times.The material of this moment has been finished the infiltration diffusion phase that grease leaches substantially, after upward being washed by shower (18) spray novel solvent, screen (13) drains, drag by ring-like drag chain (3) and to shift out screen (13) and fall into outside material-falling hopper (14) the discharge machine, finish the whole process that material leaches.

Claims (1)

1. multi-layer compound screen leacher, it by housing and the hopper that has thereof, material-falling hopper, and housing in the oil trap, screen, the shower material conveying mechanism that are provided with form, it is characterized in that: the screen top above the oil trap is fixed with the compound screen of one deck.

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