CN108654156A - Automatic high pressure filter press and its press filtration slag dumping back-flushing method - Google Patents

Automatic high pressure filter press and its press filtration slag dumping back-flushing method Download PDF

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Publication number
CN108654156A
CN108654156A CN201810567770.2A CN201810567770A CN108654156A CN 108654156 A CN108654156 A CN 108654156A CN 201810567770 A CN201810567770 A CN 201810567770A CN 108654156 A CN108654156 A CN 108654156A
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CN
China
Prior art keywords
filter press
plate
press plate
filter
press filtration
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Withdrawn
Application number
CN201810567770.2A
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Chinese (zh)
Inventor
沈智奇
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Individual
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Individual
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Priority to CN201810567770.2A priority Critical patent/CN108654156A/en
Publication of CN108654156A publication Critical patent/CN108654156A/en
Priority to PCT/CN2019/086155 priority patent/WO2019228166A1/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/12Filter presses, i.e. of the plate or plate and frame type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/32Removal of the filter cakes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/32Removal of the filter cakes
    • B01D25/325Removal of the filter cakes counter-current flushing, e.g. by air bumps
    • B01D25/327Removal of the filter cakes counter-current flushing, e.g. by air bumps with backwash shoes, with nozzles

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The present invention relates to a kind of automatic high pressure filter presses and its press filtration slag dumping back-flushing method, the machine to include:Press filtration cylinder, filter press plate, hydraulic cylinder, connecting tube, slag-scraper, automatic clinker-removing device, row's water treatment plant, back purge system, feed pipe and rack;Active filter press plate, the passive filter press plate of activity, fixed passive filter press plate and end cap filter press plate are provided in press filtration cylinder, top is provided with slag-scraper between end cap filter press plate and the 4th hydraulic cylinder, and the belt conveyor outside automatic clinker-removing bucket, catch basin and rack is arranged in lower section;The outer mashing pump of work opportunity is sent into slurry in press filtration cylinder from feed pipe interior between each filter press plate, hydraulic cylinder pushes active filter press plate that the slurry in press filtration cylinder is pressed into filter residue cake, and it is drawn off outside machine by automatic clinker-removing device, the press filtration water of each filter press plate is concentrated by the connection of each water collection chamber and connecting tube setting be discharged to connecting tube after outside discharge machine, backwash is to input back-flushing and enter each water collection chamber by the connection setting of connecting tube and each filter press plate water collection chamber again to backwash each filter screen.

Description

Automatic high pressure filter press and its press filtration slag dumping back-flushing method
Technical field
The present invention relates to a kind of filter presses, belong to separating and filtering technical field, and in particular to a kind of automatic high pressure filter press And its press filtration slag dumping back-flushing method.
Background technology
The more advanced automatic vertical filter press that uses on the market at present, be by large number of movable filter plate, diaphragm plate, The top pump hold-down mechanism group of slurry hose, hydraulic hose, considerably long cycle filter cloth, complicated frame component parts and large-tonnage At.In operation, and area many there are movable filter plate quantity and movable sealing component is big, vulnerable part is more, complete machine structure for the machine Disadvantage complicated, operation expense is high, while there is also filter cake moisture content height for causing to extrude because compressive load per unit area is small etc. Disadvantage.
Invention content
Present invention aim to address disadvantages mentioned above existing for filter press at present on the market, provide a kind of automatic high pressure pressure Filter can be widely used in the products such as sludge, kaolin, coal slime, the tailing of sewage disposal and other product pressures for needing to be dehydrated Filter dehydration, has that yield is high, compressive load per unit area is big, and filter residue cake water content is low, durable, few easy workout part, energy-efficient Advantage.
In order to achieve the above objectives, the present invention uses following technical scheme:
A kind of automatic high pressure filter press, including:Press filtration cylinder, active filter press plate, the passive filter press plate of activity, fixed passive press filtration Disk, end cap filter press plate, the first hydraulic cylinder, the 4th hydraulic cylinder, outlet pipe, feed pipe, the first connecting tube, the second connecting tube and Rack;Cylindrical circular press filtration cylinder rear and front end is each provided with outward flange and is fixed on the rack, in press filtration cylinder from front to back according to It is secondary to be provided with active filter press plate, the passive filter press plate of activity, fixed passive filter press plate, end cap filter press plate;Press filtration cylinder is provided centrally with Hollow shaft, fixed passive filter press plate are fixed in hollow shaft, are provided with the casing more than its diameter outside hollow shaft, casing one end with Movable passive filter press plate connection, the casing other end are provided with the second idler wheel of several alignings, and the second idler wheel passes through the second idler wheel It is mutually in roll connection that bracing strut, which is fixedly connected with casing and with hollow shaft outer wall, and hollow shaft rear end is provided with the limit of the second idler wheel Position plate;Hollow shaft and casing are stretched into across active press filtration disk center in the first connecting tube, and the hollow shaft other end passes through end cap press filtration Disk center stretches into the second connecting tube;First connecting tube one end is fixedly connected with active filter press plate, the other end and is fixed on rack On the first hydraulic stem of the first hydraulic cylinder be fixedly connected;Second connecting tube one end is fixedly connected with end cap filter press plate, another The 4th hydraulic stem with the 4th hydraulic cylinder being fixed on the rack is held to be fixedly connected.
Further:The automatic high pressure filter press is additionally provided with the slipping groove stent being fixed on the rack and third hydraulic oil Cylinder, the slipping groove stent are fixed between press filtration cylinder rear end and the 4th hydraulic cylinder top, under the third hydraulic cylinder Side's driving is provided with dreg scraper knife holder, and with slipping groove stent in being slidably connected, dreg scraper knife pedestal lower end is arranged at dreg scraper knife holder two end There are several dreg scraper knifes.
Further:The automatic high pressure filter press further includes automatic clinker-removing bucket, and slag is being scraped in the automatic clinker-removing bucket setting It is rotatably arranged in rack below knife support and by axle sleeve, automatic clinker-removing bucket is realized by the second hydraulic cylinder one on horizontal plane Determine the rotation of angle;It is provided with catch basin below the automatic discharging bucket, methods, rack peripheral hardware is equipped with belt under automatic discharging bucket Conveyer.
Further:Be provided in the active filter press plate diameter be less than press filtration cylinder the first supporting disk, first It is provided with the second water collection chamber and several second apopores on tray, third bearing orifice plate, third are provided with before the second water collection chamber Third filter screen is provided with before bearing orifice plate, third bearing orifice plate and third filter screen periphery are fixedly connected on first together On tray, several second reinforcing props are provided in the second water collection chamber between the first supporting disk and third bearing orifice plate;First Tray periphery is provided with the first sealing ring and with press filtration cylinder in being slidably connected, and the first supporting disk inner circumferential is provided with the second sealing ring simultaneously It is in be slidably connected with casing.
Further:Be provided in the end cap filter press plate diameter be less than press filtration cylinder the second supporting disk, second Tray top is provided with feed opening, and its underpart is provided with several 4th apopores, the 4th water collection chamber is provided on the second supporting disk, Be provided with before 4th water collection chamber the 6th bearing orifice plate, the 6th bearing orifice plate before be provided with the 6th filter screen, the 6th support holes Plate and the 6th filter screen periphery are mutually permanently connected with the second supporting disk together, between the second supporting disk and the 6th bearing orifice plate Several 4th reinforcing props are provided in 4th water collection chamber, the second supporting disk periphery is provided with the 4th sealing ring and with press filtration cylinder in cunning Dynamic connection, second branch inner circumferential are provided with the 5th sealing ring and are in be slidably connected with hollow shaft.
Further:The passive filter press plate periphery of the fixation is provided with the second external support that diameter is less than press filtration cylinder Ring, inner circumferential are provided with support ring in second, are provided with collecting gutter and several 5th apopores in second in support ring, in collecting gutter Hollow shaft on be provided with several 6th apopores, support ring is fixedly connected with hollow shaft in second;Support ring and the in second It is symmetrically installed with the 4th bearing orifice plate and the 5th bearing orifice plate between two external support rings, the 4th is provided with outside the 4th bearing orifice plate Filter screen, the 5th bearing orifice plate outside are provided with the 5th filter screen;It is third between 4th bearing orifice plate and the 5th bearing orifice plate Water collection chamber is provided with the third reinforcing props that the 4th bearing orifice plate of several supports supports orifice plate with the 5th in third water collection chamber.
Further:The passive filter press plate periphery of the activity is provided with the first external support ring less than press filtration cylinder, interior It is provided with support ring in first week, is provided with several third apopores and third sealing ring and and hollow shaft in first in support ring In being slidably connected;The first bearing orifice plate and the second support holes are symmetrically installed in first between support ring and the first external support ring Plate, the first bearing orifice plate outside are provided with the first filter screen, the second filter screen, the first bearing are provided with outside the second bearing orifice plate The first bearing orifice plate of several supports and the second bearing orifice plate are provided in the first water collection chamber between orifice plate and the second bearing orifice plate The first reinforcing prop.
Further:It is provided with the first apopore below first connecting tube, is provided with below the first apopore Three-way pipe, three-way pipe lower end are provided with outlet pipe, outlet valve are provided on outlet pipe;Three-way pipe side is provided with water inlet pipe, into Inlet valve is provided on water pipe;End cap filter press plate top is provided with feed opening, is provided with feed pipe outside feed opening, feed pipe and the Two supporting disks are mutually permanently connected, and inlet valve is provided on feed pipe;Fixed passive filter press plate is provided with first charging aperture below, Movable passive filter press plate is provided with second charging aperture below.
Further:It is provided with the first idler wheel of several alignings outside the casing, the first idler wheel is mounted on and the On the first idler wheel bracing strut that one supporting disk is mutually permanently connected, the first idler wheel is mutually in roll connection with casing;In end cap pressure Be provided with the third idler wheel of several alignings in the hollow shaft stretched out in the second connecting tube of filter disc center, third idler wheel bracing strut with Hollow shaft is fixedly connected, and third idler wheel and the second connecting tube are mutually in roll connection.
Further, automatic high pressure filter press of the present invention further includes automatic control system, the control system packet Multiple position sensors, pressure sensor are included, which is the automatic control system of routine, for realizing each hydraulic pressure The start and stop of oil cylinder, the opening and closing of control valve.
The present invention also provides a kind of press filtration, slag dumping and back-flushing methods using above-mentioned automatic high pressure filter press, should Method is that cycle carries out following procedure when operation:Reset waits for press filtration program, and --- press filtration program --- slag dumping program --- recoils Washing procedure,
The reset waits for that press filtration program is:The first hydraulic cylinder of first synchronous averaging drives the first hydraulic stem toward post-tensioning, the 4th Hydraulic cylinder drives the 4th hydraulic stem toward sinciput, and the active filter press plate in press filtration cylinder is made to fall back on press filtration cylinder back-end location, end cap pressure It is in sealing state that filter disc, which enters press filtration cylinder front end, fixed passive filter press plate and the passive filter press plate of activity the first idler wheel bracing strut, Under the promotion limit of second idler wheel bracing strut, limiting plate and third idler wheel bracing strut, by the range distribution of setting in press filtration cylinder Positioning then starts the second hydraulic cylinder and automatic clinker-removing bucket is promoted in rack, while starting third hydraulic cylinder dreg scraper knife Holder simultaneously drives each dreg scraper knife up to reset, and then closes inlet valve, opens outlet valve and inlet valve;
The press filtration program is:The feed pump being arranged outside starter motor sewage to be processed or slurry from feed pipe through into Expect that hole is sent into press filtration cylinder, then each cavity in press filtration cylinder is sent into from first charging aperture and second charging aperture, when each sky in press filtration cylinder Chamber full of rear in-cylinder pressure be increased to feed pump can not again feeding when close inlet valve, starting the first hydraulic cylinder makes the first hydraulic pressure Bar drives active filter press plate to be pushed up in press filtration cylinder by the first connecting tube, at this moment the passive filter press plate of the activity in press filtration cylinder and fixation Passive being extruded toward end cap filter press plate direction is moved under the feed liquid of passive filter press plate between them pushes, between each filter press plate Gradual loss its spacing due to crossing drainage gradually reduces, and when running to setting maximum pressure in press filtration cylinder, stops the first liquid The operation of compressing cylinder, at this moment the feed liquid between each filter press plate be just pressed into the very low filter residue cake of water content;In pressure-filtering process, respectively Drainage in filter press plate is discharged in this way:Drainage in active filter press plate enters third by third filter screen and supports orifice plate to the Two water collection chambers are flowed into through several second apopores in the first connecting tube again;The drainage of movable passive filter press plate is respectively by the first filtering Net, the second filter screen are entered by the first bearing orifice plate and the second bearing orifice plate in the first water collection chamber, then again by several thirds The gap that apopore is flowed into through water-collecting tray between casing and hollow shaft is flowed into again in the first connecting tube;The filter of fixed passive filter press plate Water enters third water collection chamber again through several by the 4th filter screen, the 5th filter screen by the 4th bearing orifice plate and the 5th bearing orifice plate 5th apopore is flowed to after collecting gutter is flowed by several 6th apopores in hollow shaft again and is flowed into the first connecting tube;End cap press filtration The drainage of disk enters the 4th water collection chamber by the 6th filter screen through the 6th bearing orifice plate, then flows into the second connecting tube by the 4th apopore Interior, then again from being flowed into hollow shaft in the first connecting tube, all drainages concentrated in last first connecting tube are by under it The first apopore being just arranged flows into outside outlet pipe discharge machine;
The slag dumping program is:The first hydraulic cylinder of synchronous averaging and the 4th hydraulic cylinder are pushed by the first hydraulic stem Each filter press plate and filter residue cake in press filtration cylinder are moved to extreme direction before press filtration cylinder, synchronous to drive end cap press filtration by the 4th hydraulic stem Disk blocks synchronous hollow shaft, fixed passive filter press plate toward post-tensioning, at this moment end cap filter press plate further through the bracing strut of third idler wheel And the passive filter press plate of activity pulls backward simultaneously, when active filter press plate is pulled to front end press filtration cylinder mouth, the first hydraulic cylinder stops It only works, stops the work of the 4th hydraulic cylinder when end cap filter press plate moves on to the discharge position being arranged backward, at this moment due to sky The movement of mandrel, the limiting plate in hollow shaft push casing and the passive filter press plate of activity to move simultaneously, make press filtration cylinder front end with The distance between each filter press plate of filter residue to be unloaded reaches the slag dumping distance set between 4th hydraulic cylinder, at this moment starts Three hydraulic cylinders driving third hydraulic stem down pushes away dreg scraper knife holder and dreg scraper knife, and the filter residue being sticked on each strainer is scraped down In automatic inclined slag bucket in methods, rack, after filter residue is unsnatched, third hydraulic cylinder drives third hydraulic stem to drive dreg scraper knife branch immediately Frame and dreg scraper knife up reset, and then start the second hydraulic cylinder and automatic clinker-removing bucket is produced machine outer belt conveyer by shaft At this moment top starts belt conveyor and dumping device simultaneously and filter residue is discharged on belt conveyor and is exported outside machine simultaneously;
The backwashing procedures are:Inlet valve is opened, closes outlet valve, the high pressure recoil pump being arranged outside starter motor is high Press back-flushing from water inlet pipe be sent into the first connecting tube in, then the high pressure water in the first connecting tube respectively synchronize from:One, from actively Several second apopores of filter press plate flow into its second water collection chamber, and outflow washes away the from each hole that third supports orifice plate respectively again Filter residue in three filter screen mesh;Two, it enters through water-collecting tray in the gap between casing and hollow shaft and several thirds goes out Water hole is then supported from the first of the first water collection chamber both sides in orifice plate and the second bearing orifice plate respectively again into the first water collection chamber The filter residue washed away respectively in the first filter screen and the second filter screen mesh is flowed out in each hole;Three, it is flowed into from hollow axis center logical It crosses the 6th apopore, collecting gutter and the 5th apopore to flow into third water collection chamber, then again from the 4th of third water collection chamber both sides the The filter residue in the 4th filter screen and the 5th filter screen mesh is washed away in outflow in each hole of bearing orifice plate and the 5th bearing orifice plate;Four, Enter in the second connecting tube from hollow shaft, then flowed into the 4th water collection chamber from several 4th apopores, then again from the 6th The filter residue in the 6th filter screen mesh is washed away in outflow in each hole in bearing bore plate, then contains filter by what each strainer washed away out The back-flushing of slag flows downstream into without exception be already provided in the catch basin under each filter press plate in methods, rack after the dirt by being arranged outside machine again Water pump draws back reprocessing.
Advantageous effect:
Automatic high pressure structure of pressing filter of the present invention is simple, few easy workout part, using press filtration disclosed by the invention, slag dumping and Back-flushing method repeats to operate, and can realize that yield is big, pressure is high, filter residue water content is low, strainer automatic backwash does not block, automatically Change degree is high, durable, few easy workout part, has a wide range of application and energy-efficient operation purpose.
Description of the drawings
Fig. 1 is broken section organigram of the embodiment of the present invention;
Fig. 2 is A enlarged drawings in Fig. 1;
Filter press plate position view when Fig. 3 is slag dumping of the present invention, backwashing procedures.
In figure:1 press filtration cylinder, 2, end cap filter press plate, 3, fixed passive filter press plate, 4, the passive filter press plate of activity, 5, actively press Filter disc, the 6, first connecting tube, the 7, first idler wheel, the 8, second idler wheel, the 9, first hydraulic cylinder, the 10, first hydraulic stem, 11, limit Plate, 12, hollow shaft, the 13, first apopore, 14, water inlet pipe, 15, inlet valve, 16, three-way pipe, 17, outlet valve, 18, outlet pipe, 19, casing, the 20, first stay-bolt, 21, rack, the 22, second hydraulic cylinder, 23, belt conveyor, the 24, second hydraulic stem, 25, third hydraulic cylinder, 26, third hydraulic stem, 27, slipping groove stent, 28, dreg scraper knife holder, 29, dreg scraper knife, 30, inlet valve, 31, feed pipe, the 32, the 4th hydraulic cylinder, the 33, second connecting tube, the 34, the 4th hydraulic stem, the 35, third idler wheel, 36, first charging Mouthful, 37, second charging aperture, the 38, second stay-bolt, 39, shaft, 40, automatic clinker-removing bucket, 41, unload slag bucket holder, 42, catchment Slot, 43, bearing support, the 44, first external support ring, the 45, first filter screen, the 46, first bearing orifice plate, the 47, first water collection chamber, 48, First reinforcing prop, the 49, second bearing orifice plate, the 50, second filter screen, the 51, first sealing ring, the 52, first supporting disk, 53, third Filter screen, the 54, second water collection chamber, 55, third support orifice plate, the 56, second reinforcing prop, the 57, second apopore, 58, second sealing Circle, support ring in 59, water-collecting tray, 60, third apopore, 61, first, 62, third sealing ring, the 63, second external support ring, 64, 4th filter screen, the 65, the 4th bearing orifice plate, 66, third water collection chamber, 67, third reinforcing prop, the 68, the 5th bearing orifice plate, 69, the Five filter screens, the 70, the 4th sealing ring, the 71, second supporting disk, 72, feed opening, the 73, the 4th water collection chamber, the 74, the 4th reinforcing prop, 75, the 6th bearing orifice plate, the 76, the 4th apopore, the 77, the 6th filter screen, the 78, the 5th sealing ring, the 79, the 5th apopore, 80, collection Ditch, the 81, the 6th apopore, support ring in 82, second.
Specific implementation method:
1-3 is described in detail automatic high pressure filter press of the present invention and its back-flushing method below in conjunction with the accompanying drawings:
As shown in Figs. 1-3, the specific embodiment of automatic high pressure filter press of the present invention includes mainly:Press filtration cylinder 1, active press filtration Disk 5, the passive filter press plate 4 of activity, fixed passive filter press plate 3, end cap filter press plate 2, the first hydraulic cylinder 9, the second hydraulic cylinder 22, Third hydraulic cylinder 25, dreg scraper knife 29, automatic clinker-removing bucket 40, belt conveyor 23, catch basin 42, goes out the 4th hydraulic cylinder 32 Water pipe 18, feed pipe 31 and rack 21 form.Press filtration cylinder 1 is cylindrical, rear and front end is each provided with outward flange, in press filtration cylinder 1 Front end is provided with active filter press plate 5, rear end is provided with end cap filter press plate 2, is set by 2 certain distance of end cap filter press plate in press filtration cylinder 1 It is equipped with fixed passive filter press plate 3, is provided with several movable quilts between active filter press plate 5 and fixed passive filter press plate 3 in press filtration cylinder 1 Dynamic pressure filter disc 4, the number increase of the passive filter press plate of activity 4 is how much, complete machine single yield can increase how much, 1 center of press filtration cylinder It is provided with hollow shaft 12, fixed passive filter press plate 3 is fixed by bolts in hollow shaft 12, is provided with outside hollow shaft 12 straight more than it The casing 19 of diameter, casing 19 are arranged the water-collecting tray 59 that useful welding manner is fixed to each other close to passive 4 this end of filter press plate of activity, cover Pipe 19 is mutually permanently connected by water-collecting tray 59 and movable passive filter press plate 4 with bolt.
5 front of active filter press plate is provided with both ends and is each provided the first connecting tube 6 for being equipped with flange, and passes through flange bolt It is mutually permanently connected, 6 other end of the first connecting tube is provided with the first hydraulic cylinder 9 with flange and by the first hydraulic stem 10 Flange be mutually permanently connected with bolt, both ends are provided with behind end cap filter press plate 2 and are each provided the second connecting tube for being equipped with flange 33, and be mutually permanently connected with bolt by flange, 33 other end of the second connecting tube is provided with the 4th hydraulic oil with flange Cylinder 32 is simultaneously mutually permanently connected by the flange of the 4th hydraulic stem 34 with bolt, and 1 front end flange of press filtration cylinder is drawn by several first Bar bolt 20 and the flange of the first hydraulic cylinder 9 are mutually permanently connected, and end flanges pass through several second stay-bolts after press filtration cylinder 1 38 are mutually permanently connected with the flange of the 4th hydraulic cylinder 32, the flange of the first hydraulic cylinder 9, the front and back flange of press filtration cylinder 1 and Organic frame 21 is set below the flange of 4th hydraulic cylinder 32 and each personal bolt is fixed to each other in rack 21.
Slipping groove stent 27 is provided with after press filtration cylinder 1 above end flanges and the 4th hydraulic cylinder 32 flange, under slipping groove stent 27 End is fixed to each other with end flanges after press filtration cylinder 1 and 32 flange of the 4th hydraulic cylinder with bolt mode respectively, 27 top of slipping groove stent It is provided with third hydraulic cylinder 25 and is mutually mutually permanently connected with bolt, 25 lower section of third hydraulic cylinder is provided with dreg scraper knife branch Frame 28 is simultaneously mutually permanently connected with third hydraulic stem 26 with bolt, and 28 2 end of dreg scraper knife holder connects with slipping groove stent 27 in sliding It connects, 28 lower end of dreg scraper knife holder is respectively arranged with 29 blending bolt of several dreg scraper knifes and is mutually permanently connected.End flanges after press filtration cylinder 1 It is provided with automatic cylinder slag bucket 40 in lower methods, rack 21 between 32 flange of the 4th hydraulic cylinder, is provided on automatic cylinder slag bucket 40 Slag bucket holder 41 is unloaded with axle sleeve, is provided with and is fixed in rack 21 in one end upper and lower straightening machine frame 21 of automatic clinker-removing bucket 40 It is provided with shaft 39 in axle sleeve, the axle sleeve and the axle sleeve for unloading slag bucket holder 41, automatic clinker-removing bucket 40 passes through shaft 39 and rack 21 It in rotation connection, unloads and is provided with the second hydraulic cylinder 22 by slag bucket holder 41, in-oil cylinder second hydraulic stem 24 and unload slag bucket Holder 41 is rotatablely connected in twisting, and 22 other end of the second hydraulic cylinder and the holder being fixed in rack 21 and rack 21 are in twisting Rotation connection, 40 lower section of automatic clinker-removing bucket are provided with catch basin 42, and it is defeated to be provided with belt outside 40 times methods, racks of automatic clinker-removing bucket 21 Machine 23,23 one end of belt conveyor is sent to be fixed in rack 21 by bearing support 43.
Hollow shaft 12 and 19 one end of casing are stretched into across 5 center of active filter press plate in the first connecting tube 6, and hollow shaft 12 is another End is stretched into across 2 center of end cap filter press plate in the second connecting tube 33, and the first idler wheel 7 of several alignings is provided with outside casing 19, First idler wheel, 7 bracing strut is mutually permanently connected with the first supporting disk 52 with bolt, and the first idler wheel 7 is with casing 19 mutually in the company of rolling It connects, 19 tail end of casing is provided with the second idler wheel 8 of several alignings, and the bracing strut of the second idler wheel 8 abuts the axis branch of the first idler wheel 7 Frame is mutually permanently connected with casing 19 with bolt, and with hollow shaft 12 mutually in connection is rolled, 12 rear end of hollow shaft is set the second idler wheel 8 It is equipped with the limiting plate 11 of the bracing strut against the second idler wheel 8, limiting plate 11 is mutually permanently connected with bolt with hollow shaft 12, is being held The third idler wheel 35 of several alignings, third are provided in the hollow shaft 12 stretched out in 2 the second connecting tube of center 33 of lid filter press plate The bracing strut of idler wheel 35 with bolt is mutually permanently connected against the second supporting disk 71 and with hollow shaft 12, third idler wheel 35 and second Connecting tube 33 is mutually in rolling connection.
The lower section of first connecting tube 6 is provided with the first apopore 13,13 lower section of the first apopore be provided with three-way pipe 16 and with First connecting tube 6 is mutually permanently connected, and 16 lower end of three-way pipe is provided with outlet pipe 18 and is mutually permanently connected, and is set on outlet pipe 18 It is equipped with outlet valve 17,16 side of three-way pipe is provided with water inlet pipe 14 and is mutually permanently connected, and inlet valve is provided on water inlet pipe 14 15,2 top of end cap filter press plate is provided with feed opening 72, and feed pipe 31 is provided with outside feed opening 72, and feed pipe 31 and second supports Disk 71 is mutually permanently connected, and inlet valve 30 is provided on feed pipe 31, and fixed passive filter press plate 3 is provided with first charging aperture below 36, passively filter press plate 4 is provided with second charging aperture 37 below for activity.
It is provided with the first supporting disk 52 that diameter is less than press filtration cylinder 1 in active filter press plate 5, is provided on the first supporting disk 52 Second water collection chamber 54 and several second apopores 57,54 front of the second water collection chamber are provided with third bearing orifice plate 55, third bearing The front of orifice plate 55 is provided with third filter screen 53, and third bearing orifice plate 55 and 53 periphery of third filter screen are fixedly connected on the together Several second are provided on one supporting disk 52, in the second water collection chamber 54 between the first supporting disk 52 and third bearing orifice plate 55 to add Strong 56 one end of column is simultaneously mutually permanently connected with the first supporting disk 52, and 52 outside of the first supporting disk is provided with the first sealing ring 51 simultaneously With press filtration cylinder 1 in being slidably connected, 52 inner edge of the first supporting disk is provided with the second sealing ring 58 and is in be slidably connected with casing 19.
The second supporting disk 71 that diameter is less than press filtration cylinder 1, the setting of 71 top of the second supporting disk are provided in end cap filter press plate 2 There are feed opening 72, its underpart to be provided with several 4th apopores 76, is provided with the 4th water collection chamber 73 on the second supporting disk 71, the 4th 73 front of water collection chamber, which is provided with before the 6th bearing bearing of orifice plate the 75, the 6th orifice plate 75, is provided with the 6th filter screen 77, the 6th Bearing bore plate 75 and 77 periphery of the 6th filter screen are mutually permanently connected with the second supporting disk 71 together, the second supporting disk 71 and the 6th Be provided in the 4th water collection chamber 73 between bearing bore plate 75 several 4th reinforcing prop, 74 one ends and with the second supporting disk 71 mutually It is fixedly connected, 71 outside of the second supporting disk is provided with the 4th sealing ring 70 and is in be slidably connected with press filtration cylinder 1, second branch 71 Inner edge is provided with the 5th sealing ring 78 and is in be slidably connected with hollow shaft 12.
Outside is provided with the second external support ring 63 that diameter is less than press filtration cylinder 1, inner edge setting in fixed passive filter press plate 3 There are support ring 82 in second, be provided with collecting gutter 80 and several 5th apopores 79 in second in support ring 82, in collecting gutter 80 Hollow shaft 12 on be provided with several 6th apopores 81, in second support ring 82 with bolt and hollow shaft 12 in being fixedly connected, It is provided with the 4th bearing orifice plate 65,65 front of the 4th bearing orifice plate in second between support ring 82 and the second external support ring 63 on one side Be provided with the 4th filter screen 64 and its inner edge and outside all together with second in support ring 82 and the second external support ring 63 it is mutually solid Fixed connection, another side are provided with the 5th bearing orifice plate 68, and 68 outside of the 5th bearing orifice plate is provided with the 5th filter screen 69 and its interior While with outside all together with second in support ring 82 and the second external support ring 63 be mutually permanently connected, the 4th bearing orifice plate 65 and the Several 67 one ends of third reinforcing prop and the 4th bearing orifice plate 65 are provided in third water collection chamber 66 between five bearing orifice plates 68 In being fixedly connected.
Outside is provided with the first external support ring 44 less than press filtration cylinder 1 in movable passive filter press plate 4, and inner edge is provided with the Support ring 61 in one, be provided in support ring 61 in first several third apopores 60 and third sealing ring 62 and with hollow shaft 12 In being slidably connected, it is provided with the second bearing orifice plate 49 in first between support ring 61 and the first external support ring 44 on one side, second The front of bearing bore plate 49 be provided with the second filter screen 50 and its inner edge and outside all together with first in prop up outside support ring 61 and first Carrier ring 44 is mutually permanently connected, and another side is provided with the first bearing orifice plate 46, and 46 outside of the first bearing orifice plate is provided with the first mistake Strainer 45 and its inner edge and outside all together with first in support ring 61 and the first external support ring 44 be mutually permanently connected, first Bearing bore plate 46 and second support orifice plate 49 between the first water collection chamber 47 in be provided with several first reinforcing prop, 48 one ends and with First bearing orifice plate 46 is mutually permanently connected.
Automatic high pressure filter press of the present invention further includes automatic control system, which includes that multiple positions pass Sensor, pressure sensor (not shown), which is the automatic control system of routine, for realizing each hydraulic pressure The start and stop of oil cylinder, the opening and closing of control valve.
Work step method:
When using automatic high pressure press filtration machine operation of the present invention, initially enters first of reset and wait for press filtration program:
The first hydraulic cylinder of first synchronous averaging 9 drives the first hydraulic stem 10 toward post-tensioning, the 4th hydraulic cylinder 32 driving the 4th Hydraulic stem 34 makes the active filter press plate 5 in press filtration cylinder 1 fall back on 1 back-end location of press filtration cylinder toward sinciput, and end cap filter press plate 2 enters pressure 1 front end of filtering jar (enters press filtration cylinder for ease of the sealing ring outside end cap filter press plate, can suitably increase press filtration cylinder end portion in sealing state Inner chamfer), fixed passive filter press plate 3 and the passive filter press plate 4 of activity are in the bracing strut of the first idler wheel 7, the axis branch of the second idler wheel 8 It is fixed by the range distribution being arranged in press filtration cylinder 1 under the promotion limit of the bracing strut of frame, limiting plate 11 and third idler wheel 35 Position then starts the second hydraulic cylinder 22 and automatic clinker-removing bucket 40 is promoted in rack 21, while starting third hydraulic cylinder 25 Dreg scraper knife holder 28 simultaneously drives each dreg scraper knife 29 up to reset, and then closes inlet valve 15, opens outlet valve 17 and inlet valve 30.
Subsequently enter second press filtration program:Then the feed pump being arranged outside starter motor sewage to be processed or slurry from Feed pipe 31 is sent into through feed opening 72 in press filtration cylinder 1, then is sent into press filtration cylinder 1 respectively from first charging aperture 36 and second charging aperture 37 Cavity, when in press filtration cylinder 1 each cavity full of rear in-cylinder pressure be increased to feed pump can not feeding again when, you can enter press filtration journey Sequence, however inlet valve 30 is closed, starting the first hydraulic cylinder 9 makes the first hydraulic stem 10 drive actively pressure by the first connecting tube 6 The top in the press filtration cylinder 1 of filter disc 5, at this moment the passive filter press plate 4 of the activity in press filtration cylinder 1 and fixed passive filter press plate 3 be between them Feed liquid push under it is passive be extruded toward the 2 direction movement of end cap filter press plate, due to crossing the gradual stream of drainage between each filter press plate It loses its spacing gradually to reduce, when running to setting maximum pressure in press filtration cylinder 1, stops the operation of the first hydraulic cylinder 9 at once, At this moment the feed liquid between each filter press plate has just been pressed into the very low filter residue cake of water content, when between each filter press plate in pressure-filtering process, Its drainage respectively in filter press plate is discharged in this way:Drainage in active filter press plate 5 is:Third is entered by third filter screen 53 The 55 to the second water collection chamber of orifice plate 54 is supported to flow into the first connecting tube 6 through several second apopores 57 again;Movable passive filter press plate 4 Drainage be:Respectively by the first filter screen 45, the second filter screen 50 by first bearing orifice plate 46 and second support orifice plate 49 into Enter in the first water collection chamber 47, is then flowed between casing 19 and hollow shaft 12 through water-collecting tray 59 by several third apopores 60 again Gap is flowed into again in the first connecting tube 6;Fixing the drainage of passive filter press plate 3 is:Led to by the 4th filter screen 64, the 5th filter screen 69 It crosses the 4th bearing orifice plate 65 and the 5th and supports orifice plate 68 and flowed to again through several 5th apopores 79 into third water collection chamber 66 and catchment Ditch 80 flows into after being flowed into hollow shaft 12 by several 6th apopores 81 again in the first connecting tube 6;The drainage of end cap filter press plate 2 It is:Enter the 4th water collection chamber 73 through the 6th bearing orifice plate 75 by the 6th filter screen 77, then flows into second by the 4th apopore 76 and connect In take over 33, then again from being flowed into hollow shaft 12 in first connecting tube 6, all filters for being concentrated in last first connecting tube 6 Water is flowed by the first apopore 13 being arranged thereunder outside 18 discharge machine of outlet pipe.
Subsequently into third road slag dumping program:Resynchronisation starts the first hydraulic cylinder 9 and the 4th hydraulic cylinder 32 by the Each filter press plate and filter residue cake in one hydraulic stem 10 promotion press filtration cylinder 1 are moved to extreme direction before press filtration cylinder 1, synchronous to pass through the 4th liquid The drive end cap of compression bar 34 filter press plate 2 blocks synchronous toward post-tensioning, at this moment end cap filter press plate 2 further through the bracing strut of third idler wheel 35 Passively filter press plate 4 pulls backward simultaneously for hollow shaft 12, fixed passive filter press plate 3 and activity, when active filter press plate 5 is pulled to front end When 1 mouthful of press filtration cylinder, the first hydraulic cylinder 9 is stopped at once, when end cap filter press plate 2 moves on to the discharge position being arranged backward At once stop the work of the 4th hydraulic cylinder 32, at this moment due to the movement of hollow shaft 12, the limiting plate 11 in hollow shaft 12 pushes set Pipe 19 and the passive filter press plate of activity 4 move simultaneously, make each of between 1 front end of press filtration cylinder and the 4th hydraulic cylinder 32 filter residue to be unloaded The distance between filter press plate reaches the slag dumping distance set, at this moment starts third hydraulic cylinder 25 and drives third hydraulic stem 26 Dreg scraper knife holder 28 and dreg scraper knife 29 are pushed away down, the filter residue being sticked on each strainer is scraped the automatic inclined slag in lower methods, rack 21 In bucket 40, dreg scraper knife may be designed to it is intermediate carry U-type groove, when scraping slag the components such as hollow pipe, casing by U-type groove to obtain as far as possible Big scrapes top of the slag product.After filter residue is unsnatched, third hydraulic cylinder 25 drive immediately third hydraulic stem 26 drive dreg scraper knife holder 28 and Dreg scraper knife 29 up resets, and then starting the second hydraulic cylinder 22, by shaft 39 automatic clinker-removing bucket 40 to be produced machine outer belt defeated The top of machine 23 is sent, at this moment starts belt conveyor 23 and dumping device simultaneously and filter residue is discharged on belt conveyor 23 and defeated simultaneously Go out outside machine.
Finally enter the 4th backwashing procedures:At this moment it opens simultaneously inlet valve 15 and closes outside 17. starter motor of outlet valve The high pressure recoil pump of setting is sent into high pressure back-flushing in the first connecting tube 6 from water inlet pipe 14, then the height in the first connecting tube 6 Press water respectively synchronize from:One, its second water collection chamber 54 is flowed into again respectively from the from several second apopores 57 of active filter press plate 5 The filter residue in 53 mesh of third filter screen is washed away in outflow in each hole of three bearing orifice plates 55;Two, from casing 19 and hollow shaft 12 it Between gap in enter through water-collecting tray 59 and several third apopores 60 into the first water collection chamber 47, then again respectively from first The first bearing orifice plate 46 and second on 47 both sides of water collection chamber supports to flow out in each hole in orifice plate 49 washes away the first filtering respectively Filter residue in 50 mesh of net 45 and the second filter screen;Three, it is flowed into from 12 center of hollow shaft through the 6th apopore 81, collecting gutter 80 And the 5th apopore 79 flow into third water collection chamber 66, then support orifice plate 65 and the from the 4th of 66 both sides of third water collection chamber again The filter residue in the 4th filter screen 64 and 69 mesh of the 5th filter screen is washed away in outflow in each hole of five bearing orifice plates 68;Four, from hollow Enter in the second connecting tube 33 in axis 12, then flowed into the 4th water collection chamber 73 from several 4th apopores 76, then again from the 6th The filter residue in 77 mesh of the 6th filter screen is washed away in outflow in each hole in bearing orifice plate 75, then washes away out by each strainer Back-flushing containing filter residue flow downstream into without exception in the catch basin 42 that is already provided under each filter press plate in methods, rack 21 after again by machine The sewage of outer setting is pumped back to reprocessing.To this completion the machine from starting to reset the entire operation process to the end of being depressed into backwash, It reruns in this way, automatic high pressure press filtration function of the present invention is made to realize:Yield is big, pressure is high, filter residue water content is low, strainer can oneself Dynamic backwash does not block, high degree of automation, few easy workout part, has a wide range of application and energy-efficient operation purpose.

Claims (10)

1. a kind of automatic high pressure filter press, including:Press filtration cylinder (1), the passive filter press plate (4) of activity, is fixed at active filter press plate (5) Passive filter press plate (3), end cap filter press plate (2), the first hydraulic cylinder (9), the 4th hydraulic cylinder (32), outlet pipe (18), charging Manage (31), the first connecting tube (6), the second connecting tube (33) and rack (21);It is characterized in that:Cylindrical circular press filtration cylinder (1) Rear and front end is each provided with outward flange and is fixed in rack (21), is disposed in press filtration cylinder (1) and actively presses from front to back Filter disc (5), the passive filter press plate (4) of activity, fixed passive filter press plate (3), end cap filter press plate (2);Press filtration cylinder (1) is provided centrally with Hollow shaft (12), fixed passive filter press plate (3) are fixed in hollow shaft (12), are provided with more than its diameter outside hollow shaft (12) Casing (19), casing (19) one end are connect with movable passive filter press plate (4), and casing (19) other end is provided with several alignings Second idler wheel (8), the second idler wheel (8) are fixedly connected by the second idler wheel bracing strut with casing and mutual with hollow shaft (12) outer wall It is connected in rolling, hollow shaft (12) rear end is provided with the limiting plate (11) of the second idler wheel (8);Hollow shaft (12) and casing (19) are worn It crosses active filter press plate (5) center to stretch into the first connecting tube (6), hollow shaft (12) other end passes through end cap filter press plate (2) center It stretches into the second connecting tube (33);First connecting tube (6) one end is fixedly connected with active filter press plate (5), the other end be fixed on The first hydraulic stem (10) of the first hydraulic cylinder (9) in rack (21) is fixedly connected;Second connecting tube (33) one end and end cap Filter press plate (2) is fixedly connected, the 4th hydraulic stem (34) of the other end and the 4th hydraulic cylinder (32) being fixed in rack (21) It is fixedly connected.
2. automatic high pressure filter press according to claim 1, it is characterised in that:It is additionally provided with and is fixed in rack (21) Slipping groove stent (27) and third hydraulic cylinder (25), the slipping groove stent (27) are fixed on press filtration cylinder (1) rear end and the 4th liquid Top between compressing cylinder (32), the driving of the third hydraulic cylinder (25) lower section are provided with dreg scraper knife holder (28), dreg scraper knife With slipping groove stent (27) in being slidably connected, dreg scraper knife holder (28) lower end is provided with several dreg scraper knifes (29) at holder (28) two end.
3. automatic high pressure filter press according to claim 2, it is characterised in that:Further include automatic clinker-removing bucket (40), it is described Automatic clinker-removing bucket (40) setting is rotatably arranged below dreg scraper knife holder (28) and by axle sleeve in rack (21), automatic clinker-removing Struggle against the rotation of (40) by certain angle on the second hydraulic cylinder (22) realization horizontal plane;Below the automatic discharging bucket (40) It is provided with catch basin (42), methods, rack (21) is provided with belt conveyor (23) outside under automatic clinker-removing bucket (40).
4. automatic high pressure filter press according to claim 3, it is characterized in that:It is small it to be provided with diameter in active filter press plate (5) In being provided with the second water collection chamber (54) on the first supporting disk (52) of press filtration cylinder (1), the first supporting disk (52) and several second go out Water hole (57), the second water collection chamber (54) front are provided with third bearing orifice plate (55), are provided with before third bearing orifice plate (55) Third filter screen (53), third bearing orifice plate (55) and third filter screen (53) periphery are fixedly connected on the first supporting disk together (52) on, it is provided with several second in the second water collection chamber (54) between the first supporting disk (52) and third bearing orifice plate (55) and adds Strong column (56);First supporting disk (52) periphery is provided with the first sealing ring (51) and is in be slidably connected with press filtration cylinder (1), first Tray (52) inner circumferential is provided with the second sealing ring (58) and is in be slidably connected with casing (19).
5. automatic high pressure filter press according to claim 4, it is characterized in that:It is small it to be provided with diameter in end cap filter press plate (2) In the second supporting disk (71) of press filtration cylinder (1), the second supporting disk (71) top is provided with feed opening (72), and its underpart is provided with number A 4th apopore (76), is provided with the 4th water collection chamber (73) on the second supporting disk (71), setting before the 4th water collection chamber (73) There are the 6th bearing orifice plate (75), the 6th bearing orifice plate (75) front to be provided with the 6th filter screen (77), the 6th bearing orifice plate (75) And the 6th filter screen (77) periphery be mutually permanently connected together with the second supporting disk (71), the second supporting disk (71) with the 6th bearing Several 4th reinforcing props 74 are provided in the 4th water collection chamber (73) between orifice plate (75), the second supporting disk (71) periphery is provided with 4th sealing ring (70) and with press filtration cylinder (1) in being slidably connected, second branch (71) inner circumferential is provided with the 5th sealing ring (78) And with hollow shaft (12) in being slidably connected.
6. automatic high pressure filter press according to claim 5, it is characterized in that:Fixed passive filter press plate (3) periphery is provided with Diameter is less than the second external support ring (63) of press filtration cylinder (1), and inner circumferential is provided with support ring in second (82), support ring in second (82) it is provided with collecting gutter (80) and several 5th apopores (79) on, number is provided in the hollow shaft (12) in collecting gutter (80) A 6th apopore (81), support ring (82) is fixedly connected with hollow shaft (12) in second;Support ring (82) and second in second The 4th bearing orifice plate (65) and the 5th bearing orifice plate (68), the 4th bearing orifice plate (65) are symmetrically installed between external support ring (63) Outside is provided with the 4th filter screen (64), be provided with outside the 5th bearing orifice plate (68) the 5th filter screen (69) and its inner edge with it is outer Side all together with second in support ring (82) and the second external support ring (63) be mutually permanently connected;4th bearing orifice plate (65) and the It is third water collection chamber (66) between five bearing orifice plates (68), the 4th bearing orifice plate of several supports is provided in third water collection chamber (66) (65) the third reinforcing prop (67) for supporting orifice plate (68) with the 5th.
7. automatic high pressure filter press according to claim 6, it is characterized in that:Movable passive filter press plate (4) periphery is provided with Less than the first external support ring (44) of press filtration cylinder (1), inner circumferential is provided with support ring in first (61), in first in support ring (61) It is provided with several third apopores (60) and third sealing ring (62) and is in be slidably connected with hollow shaft (12);Support ring in first (61) be symmetrically installed between the first external support ring (44) the first bearing orifice plate (46) and second bearing orifice plate (49), first The first filter screen (45) is provided with outside bearing bore plate (46), be provided with outside the second bearing orifice plate (49) the second filter screen (50) and Its inner edge and outside all together with first in support ring (61) and the first external support ring (44) be mutually permanently connected;First support holes The first bearing orifice plate (46) of several supports is provided in the first water collection chamber (47) between plate (46) and the second bearing orifice plate (49) With the first reinforcing prop (48) of the second bearing orifice plate (49).
8. automatic high pressure filter press according to claim 7, it is characterized in that:It is provided with first below first connecting tube (6) Apopore (13), the first apopore (13) lower section are provided with three-way pipe (16), and three-way pipe (16) lower end is provided with outlet pipe (18), Outlet valve (17) is provided on outlet pipe (18);Three-way pipe (16) side is provided with water inlet pipe (14), and water inlet pipe is arranged on (14) There is inlet valve (15);End cap filter press plate (2) top is provided with feed opening (72), and feed pipe (31) is provided with outside feed opening (72), Feed pipe (31) is mutually permanently connected with the second supporting disk (71), and inlet valve (30) is provided on feed pipe (31);It is fixed passive Filter press plate (3) is provided with first charging aperture (36) below, and the passive filter press plate (4) of activity is provided with second charging aperture (37) below.
9. automatic high pressure filter press according to claim 8, it is characterized in that:It is provided with several alignings outside casing (19) First idler wheel (7), the first idler wheel (7) are mounted on the axis branch for the first idler wheel (7) being mutually permanently connected with the first supporting disk (52) On frame, the first idler wheel (7) is with casing (19) mutually in rolling connection;In end cap filter press plate (2) the second connecting tube of center (33) The third idler wheel (35) of several alignings, the bracing strut and hollow shaft of third idler wheel (35) are provided in the hollow shaft (12) of stretching (12) it is fixedly connected, third idler wheel (35) is with the second connecting tube (33) mutually in rolling connection.
10. a kind of press filtration, slag dumping and the back-flushing method of automatic high pressure filter press, use the automatic height described in claim 9 Filter press is pressed, it is characterized in that:Following procedure is carried out using cycle when this structure operation:Reset waits for press filtration program --- press filtration journey Sequence --- slag dumping program --- backwashing procedures;
The reset waits for that press filtration program is:The first hydraulic cylinder of first synchronous averaging (9) drives the first hydraulic stem (10) toward post-tensioning, the Four hydraulic cylinders (32) drive the 4th hydraulic stem (34) toward sinciput, and the active filter press plate (5) in press filtration cylinder (1) is made to fall back on press filtration cylinder (1) back-end location, it is in sealing state that end cap filter press plate (2), which enters press filtration cylinder (1) front end, fixed passive filter press plate (3) and activity The bracing strut of passive filter press plate (4) in the first idler wheel bracing strut, the second idler wheel bracing strut, limiting plate (11) and third idler wheel 35 It pushes under limit, by the range distribution positioning of setting in the press filtration cylinder (1), then starts the second hydraulic cylinder (22) unloading automatically Slag bucket (40) promotes in rack (21), while starting third hydraulic cylinder (25) dreg scraper knife holder (28) and driving each dreg scraper knife (29) it up resets, then closes inlet valve (15), open outlet valve (17) and inlet valve (30);
The press filtration program is:The feed pump being arranged outside starter motor sewage to be processed or slurry from feed pipe (31) pass through into Expect that hole (72) are sent into press filtration cylinder (1), then each sky in press filtration cylinder (1) is sent into from first charging aperture (36) and second charging aperture (37) Chamber, when in press filtration cylinder (1) each cavity full of rear in-cylinder pressure be increased to feed pump can not feeding again when close inlet valve (30), open Dynamic first hydraulic cylinder (9) makes the first hydraulic stem (10) drive active filter press plate (5) toward press filtration cylinder by the first connecting tube (6) (1) it is pushed up in, at this moment the feed liquid of the passive filter press plate (4) of the activity in press filtration cylinder (1) and fixed passive filter press plate (3) between them Passive be extruded toward end cap filter press plate (2) direction is moved under promotion, between each filter press plate due to cross drainage gradually loss its Spacing gradually reduces, and when running to setting maximum pressure in press filtration cylinder (1), stops the operation of the first hydraulic cylinder (9), at this moment Feed liquid between each filter press plate has just been pressed into the very low filter residue cake of water content;In pressure-filtering process, the drainage in each filter press plate is It is discharged in this way:Drainage in active filter press plate (5) enters third bearing orifice plate (55) to the second collection by third filter screen (53) Water cavity (54) is flowed into through several second apopores (57) in the first connecting tube (6) again;The drainage difference of movable passive filter press plate (4) Enter first by the first bearing orifice plate (46) and the second bearing orifice plate (49) by the first filter screen (45), the second filter screen (50) In water collection chamber (47), then again by several third apopores (60) through water-collecting tray (59) flow into casing (19) and hollow shaft (12) it Between gap flow into again in the first connecting tube (6);The drainage of fixed passive filter press plate (3) is by the 4th filter screen (64), the 5th mistake Strainer (69) enters third water collection chamber (66) again through several five by the 4th bearing orifice plate (65) and the 5th bearing orifice plate (68) Apopore (79) flows to after collecting gutter (80) is flowed by several 6th apopores (81) in hollow shaft (12) again and flows into the first connection It manages in (6);The drainage of end cap filter press plate (2) enters the 4th water collection chamber by the 6th filter screen (77) through the 6th bearing orifice plate (75) (73), it then by the 4th apopore (76) flows into the second connecting tube (33), then flows into the first connection from hollow shaft (12) again It manages in (6), all drainages concentrated in last first connecting tube (6) are flowed by the first apopore (13) being arranged thereunder Outside outlet pipe (18) discharge machine;
The slag dumping program is:The first hydraulic cylinder of synchronous averaging (9) and the 4th hydraulic cylinder (32) pass through the first hydraulic stem (10) each filter press plate and filter residue cake in press filtration cylinder (1) is pushed to be moved to extreme direction before press filtration cylinder (1), it is synchronous to pass through the 4th hydraulic pressure Bar (34) drives the past post-tensioning of end cap filter press plate (2), and at this moment end cap filter press plate (2) is blocked further through the bracing strut of third idler wheel (35) It is synchronous that hollow shaft (12), fixed passive filter press plate (3) and the passive filter press plate (4) of activity are pulled backward simultaneously, when active press filtration When disk (5) is pulled to front end press filtration cylinder (1) mouth, the first hydraulic cylinder (9) is stopped, when backward end cap filter press plate (2) moves on to Stop the work of the 4th hydraulic cylinder 32 when the discharge position being arranged, at this moment due to the movement of hollow shaft (12), hollow shaft (12) On limiting plate (11) push casing (19) and the passive filter press plate (4) of activity to move simultaneously, make in press filtration cylinder (1) front end and the 4th The distance between each filter press plate of filter residue to be unloaded reaches the slag dumping distance set between hydraulic cylinder (32), at this moment starts Three hydraulic cylinders (25) driving third hydraulic stem (26) down pushes away dreg scraper knife holder (28) and dreg scraper knife (29), being sticked to each filter Online filter residue is scraped in the automatic inclined slag bucket 40 in lower methods, rack (21), and after filter residue is unsnatched, third hydraulic cylinder (25) is immediately Driving third hydraulic stem (26) drives dreg scraper knife holder (28) and dreg scraper knife (29) up to reset, and then starts the second hydraulic cylinder (22) automatic clinker-removing bucket (40) is produced above machine outer belt conveyer (23) by shaft (39), it is defeated at this moment to start belt simultaneously Send machine (23) and dumping device that filter residue is discharged on belt conveyor (23) and while being exported outside machine;
The backwashing procedures are:Inlet valve (15) is opened, outlet valve (17), the high pressure recoil pump being arranged outside starter motor are closed High pressure back-flushing is sent into from water inlet pipe (14) in the first connecting tube (6), then the high pressure water in the first connecting tube (6) is same respectively Step from:One, its second water collection chamber (54) is flowed into again respectively from third branch from several second apopores (57) of active filter press plate (5) The filter residue in third filter screen (53) mesh is washed away in outflow in each hole of bearing bore plate (55);Two, from casing (19) and hollow shaft (12) water-collecting tray (59) is entered through in the gap between and several third apopores (60) enter in the first water collection chamber (47), and It is supported in each hole in orifice plate (49) from the first bearing orifice plate (46) on the first water collection chamber (47) both sides and second respectively again afterwards The filter residue in the first filter screen (45) and the second filter screen (50) mesh is washed away in outflow respectively;Three, it is flowed from hollow shaft (12) center Enter and flowed into third water collection chamber (66) by the 6th apopore (81), collecting gutter (80) and the 5th apopore (79), then again from The 4th filtering is washed away in outflow in each hole of the 4th bearing bearing orifice plate of orifice plate 65 and the 5th (68) on third water collection chamber (66) both sides Filter residue in net (64) and the 5th filter screen (69) mesh;Four, enter in the second connecting tube (33) from hollow shaft (12), then from Several 4th apopores (76) flow into the 4th water collection chamber (73), then again from each Kong Zhongliu in the 6th bearing orifice plate (75) Go out the filter residue washed away in the 6th filter screen (77) mesh, the back-flushing containing filter residue for then washing away out from each strainer without exception toward It is pumped back to again by the sewage being arranged outside machine after in the catch basin (42) that lower inflow is already provided under each filter press plate in methods, rack (21) Reprocessing.
CN201810567770.2A 2018-05-28 2018-05-28 Automatic high pressure filter press and its press filtration slag dumping back-flushing method Withdrawn CN108654156A (en)

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CN201810567770.2A CN108654156A (en) 2018-05-28 2018-05-28 Automatic high pressure filter press and its press filtration slag dumping back-flushing method
PCT/CN2019/086155 WO2019228166A1 (en) 2018-05-28 2019-05-09 Automatic high-pressure filter press, and filter pressing, residue discharging and back washing method therefor

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019228166A1 (en) * 2018-05-28 2019-12-05 Shen Zhiqi Automatic high-pressure filter press, and filter pressing, residue discharging and back washing method therefor
WO2020228124A1 (en) * 2019-05-11 2020-11-19 上海厘清设备有限公司 Filter press with three excellent properties
CN111991861A (en) * 2020-08-31 2020-11-27 上海塑茜劳防用品有限公司 Sludge block removing external equipment attached to filter press
CN112407811A (en) * 2020-12-03 2021-02-26 张克军 Circulating quick multistage filter-pressing feed mechanism
CN113427817A (en) * 2021-07-13 2021-09-24 中电建铁路建设投资集团有限公司 Earth pressure balance shield mudstone muck solidification treatment device, system and method
CN113797613A (en) * 2021-09-08 2021-12-17 安徽广信农化股份有限公司 Filter press for buprofezin production and filter pressing method thereof

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Publication number Priority date Publication date Assignee Title
JPH06292804A (en) * 1993-04-09 1994-10-21 Kurita Mach Mfg Co Ltd Filter plate for filter press
NL9401746A (en) * 1994-04-14 1995-11-01 Hand Safe Holland Bv Filter cloth fabric.
CN201643818U (en) * 2009-12-14 2010-11-24 杭州绿鼎压滤机制造有限公司 Improved chamber filter press
CN207237401U (en) * 2017-03-22 2018-04-17 丁志江 There is the filter-pressing device of mobile filter plate
CN108654156A (en) * 2018-05-28 2018-10-16 沈智奇 Automatic high pressure filter press and its press filtration slag dumping back-flushing method
CN208406202U (en) * 2018-05-28 2019-01-22 沈智奇 Automatic high pressure filter press

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019228166A1 (en) * 2018-05-28 2019-12-05 Shen Zhiqi Automatic high-pressure filter press, and filter pressing, residue discharging and back washing method therefor
WO2020228124A1 (en) * 2019-05-11 2020-11-19 上海厘清设备有限公司 Filter press with three excellent properties
CN111991861A (en) * 2020-08-31 2020-11-27 上海塑茜劳防用品有限公司 Sludge block removing external equipment attached to filter press
CN112407811A (en) * 2020-12-03 2021-02-26 张克军 Circulating quick multistage filter-pressing feed mechanism
CN113427817A (en) * 2021-07-13 2021-09-24 中电建铁路建设投资集团有限公司 Earth pressure balance shield mudstone muck solidification treatment device, system and method
CN113797613A (en) * 2021-09-08 2021-12-17 安徽广信农化股份有限公司 Filter press for buprofezin production and filter pressing method thereof
CN113797613B (en) * 2021-09-08 2023-08-01 安徽广信农化股份有限公司 Filter press for buprofezin production and filter pressing method thereof

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Application publication date: 20181016