Wheat juice pressure filter
Technical field:
The utility model relates to a kind of pressure filter that is used for the press filtration barley juice of beer, belongs to the filter manufacturing field of equipment.
Background technology:
Granted publication CN2403479, title " pressure filter that constitutes by novel filter plate filter frame ", this pressure filter, it comprises pressure filter (3), the matching surface of filter plate in the pressure filter (1) and filter frame (2) is the random shape convex-concave structure of coincideing mutually.Its weak point: can't be used for the press filtration of brewage wheat juice.
Summary of the invention:
Purpose of design: avoid the weak point in the background technology, design a kind of special-purpose wheat juice pressure filter that can be used in wheat juice press filtration in the brewage.
Design: in order to realize above-mentioned purpose of design.On structure design: 1, rack section: rack section is the main body of equipment, in order to support filter mechanism, connects other parts.During equipment work, the intravital piston of oil cylinder promotes pressure strip, will compress at the filter plate between pressure strip and the thrust plate, filter cloth, carries out pressure filtration to guarantee the feed liquid that has pressure in filter chamber.The application has disposed removable exhaust tailgate, can discharge air in the filter chamber filling when material by this plate, and moves this plate and can change different effective filter plate numbers, to adapt to different charging capacitys.When moving this plate, should move together compressing wallboard, simultaneously this plate is connected with screw rod with pressure strip.2, filtration fraction: be to be arranged in the filter plate on the girder and the filter cloth that is clipped between the filter plate is formed by a graded, filter plate and filter cloth have formed several independently filtering units---filter chamber alternately.When filtering beginning, slip enter in each filter chamber through the opening for feed of thrust plate, and the pressure of borrowing fresh feed pump to produce filters under the promotion of fresh feed pump.Because the effect of filter cloth is stayed solid and formed filter cake in the filter chamber, the filtrate liquid-outlet valve is discharged.During washing leaching cake, can feed washing water, filter cake is washed by the washing mouth on the thrust plate; If need can feed pressurized air from opening for feed equally, pass cake layer, to take away the part moisture in the filter cake than the filter cake of low-water-content.In the pressure filter use, filter cloth plays a part crucial, and the quality of its performance, the correctness of type selecting directly affect filter effect.3, arm-tie part: the drawing-plate mechanism part is made up of oil motor, mechanical manipulator, transmission rig and arm-tie pause device etc. automatically.Thereby oil motor drives driving chain and drives robot movement, and filter plate is drawn back one by one.Pause device can be controlled stopping in the arm-tie process at any time, precession is done, to guarantee the smooth realization of drawing-plate mechanism arm-tie discharging.4, hydraulic part: hydraulic part is to drive the power set that pressure strip compressed and unclamped filter plate, has disposed ram pump and vane pump and various control valve (seeing Fig. 1, Fig. 2, Fig. 3 for details).When compressing filter plate, ram pump and vane pump electric motor starting, the piston rod reach compresses filter plate; When oil pressure rises to the higher limit that system is provided with and termination of pumping; At this moment, pressure filter promptly enters automatic packing state; When oil pressure was reduced to the lower value of system's setting, ram pump restarted to guarantee to filter required operating pressure; During backhaul, the vane pump electric motor starting, piston rod drives the pressure strip backhaul, and filter plate unclamps; During arm-tie, ram pump starts, the automatic reciprocating arm-tie of plate pulling device, when pulling last piece plate, be contained in being touched on the thrust plate side girder, the plate pulling device automated backhaul near switch, when plate pulling device was back to oil cylinder seat side zero position, shake-up stopped automatically near switch.5, automatically controlled part: automatically controlled part is the control center of total system.Its technical scheme: wheat juice pressure filter, it comprises rack section, filtration fraction, arm-tie part, hydraulic part and electric control system, trolley exhaust tailgate (5) is positioned on the girder (4) of rack section, or the thrust plate (1) that is positioned at the rack section end is gone up and by connecting leg (9) switch-valve (10) to be housed.
The utility model is compared with background technology, and the one, the design that this machine is mechanical, electrical, liquid integrated, not only rational in infrastructure, operation is simple and reliable, and also easy to maintenance; The 2nd, realize each procedure such as filter plate compresses, charging, filtration, washing, arm-tie; The 3rd, filter plate adopts the Reinforced Polypropylene plastic mould pressing to form, and not only reliable in quality, and life-span is long; The 4th, the design of removable exhaust tailgate in the wheat juice pressure filter not only can be discharged air in the filter chamber filling when material, and moves this plate and can change different effective filter plate numbers, to adapt to different charging capacitys; The 5th, the frame strength height, long service life guarantees wheat juice squeezing quality, has improved saccharification yield, is the ideal substitute of filter vat and traditional filtering machine in the brewage.
Description of drawings:
Fig. 1 is the structural representation of wheat juice pressure filter.
Fig. 2 is the filter-plate structure synoptic diagram of wheat juice pressure filter.
Fig. 3 is membranous structure of wheat juice filter press filter board and local structure synoptic diagram.
Embodiment:
Embodiment 1: with reference to accompanying drawing 1~3.Wheat juice pressure filter, it comprises rack section, filtration fraction, arm-tie part, hydraulic part and electric control system, rack section mainly is made up of parts such as thrust plate 1, pressure strip 6, oil cylinder seat 7 and girders 4, and its manufacturing process is a prior art, is not described herein at this.Filtration fraction is to be arranged in the filter plate 2 on the girder and the filter cloth that is clipped between the filter plate is formed by a graded, filter plate and filter cloth are alternately, formed several independently filtering units---filter chamber, be positioned at thrust plate 1 and 6 of pressure strips 2 of filter plates around be embedded with and form sealing between sealed strip and filter plate and filter plate and touch mutually.Automatically the drawing-plate mechanism part is made up of oil motor, mechanical manipulator 3, transmission rig and arm-tie pause device etc., and its manufacturing process is a prior art, is not described herein at this.Hydraulic part and electric control system are prior art, are not described herein at this.Trolley exhaust tailgate 5 adopts the prior art die forming and is positioned on the girder 4 of rack section, or be positioned on the thrust plate 1 of rack section end and switch-valve 10 be housed by connecting leg 9, by connecting leg 9 switch-valve 10 is housed on the trolley exhaust tailgate 5, opening or closing of liquid level detector and liquid level detector trip switch valve is housed in the chamber on trolley exhaust tailgate 5 and thrust plate 1 top.The trolley exhaust tailgate 5 that is positioned on the rack section girder 4 touches mutually with pressure strip 6 on being positioned at rack section girder 4.Filter plate is provided with lug 11 and is having opening for feed 12 up and down on the lug up and down in the outside about in the of 2 in the filtration fraction, and opening for feed 12 is communicated with the filter chamber 14 of filter plate by defeated material passage 13 up and down, is arranged in defeated material passage 13 compression moldings of filter plate 2.
The debugging of machine: 1, check complete machine: (1) wipes clean Hydraulic Station 8, electric control box, and fuel tank internal cleans up, check power supply and compress, whether the backhaul oil pipe install correctly, whether power-supply wiring safe and reasonable.(2) frame, filter plate, piston rod are wiped clean, checked filter plate is arranged whether neat, correct; Check that filter cloth is equipped with the unfolded phenomenon, if any, need to flatten.Whether the configuration of pipelines such as (3) inspection charging, washing, air blowing (as the band scavenger system), fluid, valve is correct, reasonable.2, electric-controlled hydraulic debugging: (1) after the project affirmation of above required inspection was errorless, the hydraulic efficiency oil that injection is cleaned after filtration in fuel tank was to stipulating oil level (approximately 250L), opening power master switch.Whether at first the pressure of high-pressure overflow valve (YL1), safety overflow valve (YL2) and low pressure relief valve (YL3) is turned up full blast, the electro connecting pressure gauge upper limit is transferred to 31MPa, by " backhaul " button, observe low Oil pump electrical machinery (BL) and just change along clockwise direction.Then, counterclockwise unscrew safety overflow valve (YL2) and adjust unloading valve (HY) to the 4Mpa, by " compressing " button, (whether BH, BL) just changeing also along clockwise direction, clockwise direction screws safety overflow valve to observe the height Oil pump electrical machinery.(2) at first select suitable high-pressure overflow valve (YL1) lock pressure and electro connecting pressure gauge (DY) upper lower limit value according to feed pressure.During adjusting, unscrew high-pressure overflow valve (YL1) counterclockwise earlier, under impaction state, slowly clockwise rotate high-pressure overflow valve (YL1), make electro connecting pressure gauge (DY) pressure reach 27MPa, locking gets final product.Subsequently by " backhaul " button, unsnatch in-oil cylinder pressure, backhaul on earth, adjust low pressure relief valve (YL3), during adjusting, unscrew earlier low pressure relief valve (YL3) counterclockwise, by " arm-tie " button, slowly clockwise rotate low pressure relief valve (YL3) at the arm-tie state and make tensimeter pressure reach the 4MPa locking, make piston walk about several repeatedly, set up the pressure range 21-25MPa of electro connecting pressure gauge (DY) at last to get rid of air in the oil cylinder.(safety valve, high-pressure overflow valve, low pressure relief valve, electro connecting pressure gauge all mix up before dispatching from the factory, generally do not need the user to regulate.Change the pressure of setting up as need, can regulate as stated above).(3) allow piston rod drive pressure strip again and walk up and down three times, check oil pressure rises to that electro connecting pressure gauge (DY) goes up whether can auto stop in limited time.To select twist switch to be threaded to " pressurize " position then, observe oil pressure decline situation, when on the first time, pressing, pressure lowering speed≤3MPa/10min is normal, after pressure is reduced to electro connecting pressure gauge (DY) lower limit, motor (D) starts to go up automatically presses, and pressure drop rate≤2MPa/20min belongs to normal for the second time.
What need understand is: though the foregoing description is to the utility model detailed explanation of contrasting; but these explanations are just illustrative to the utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection domain of the present utility model.