CN2429238Y

CN2429238Y - Compression membrane style filter press

Info

Publication number: CN2429238Y
Application number: CN 00224777
Authority: CN
Inventors: 黄明达
Original assignee: Suda Solid & Liquid Separating Equipment Manufacturing Co Ltd Hunan Prov
Current assignee: Suda Solid & Liquid Separating Equipment Manufacturing Co Ltd Hunan Prov
Priority date: 2000-05-10
Filing date: 2000-05-10
Publication date: 2001-05-09
Anticipated expiration: 2010-05-10

Abstract

The utility model relates to a compression membrane style filter press, which is composed of a frame, a compression mechanism, a filtering device, an automatic discharge and washing device and a water receiving dolly, wherein, the frame is formed by connecting two parallel main beams, a thrust plate and a tailstock, the compression mechanism comprises a main oil cylinder, a piston rod and a movable pressure plate, the filtering device comprises a filter plate, a press plate, a rubber membrane and a filtering cloth, and the automatic discharge and washing device comprises a discharging and washing frame, a lifting beam, a chain, a chain wheel and a lifting oil cylinder. The utility model has the advantages of novel design, reasonable design, advanced technology and good performance.

Description

The diaphragm type rapid pressure filter of calming the anger

The utility model relates to a kind of separation equipment, is specifically related to a kind of diaphragm type rapid pressure filter of calming the anger.

Chamber-type press filter is as a kind of traditional solid-liquid separating equipment, be widely used in industries such as mine, metallurgy, chemical industry, smelting, wastewater treatment, adopt mechanical pump that material is directly entered filter chamber and push, realize disposable dehydration, there is following technological deficiency in it:

1, unique source of pressure is a mechanical pump, can only once push, and costs and poor dehydration results, filter cake moisture is higher;

2, filter plate separately draws back by artificial discontinuous, draw back and time of closing up long, efficient is low, labour intensity is big;

3, the filter cake that can not fall down automatically has only with manually disclosing, work under bad environment, and it is very arduous to work;

4, the press filtration cycle period is long, and generally each press filtration is wanted about one hour circulation timei, and the time is long, and speed is slow, and day output is little;

5, can not overcome cavitation erosion and air bound phenomenon, thereby existing filter press can only be used for cleaned coal dehydration, can not be applied to tailings dewatering, especially can not be applied to the fine dehydration in ore dressing and the sewage.

The purpose of the utility model aims to provide a kind of novel diaphragm type rapid pressure filter of calming the anger, and it can be realized repeatedly, and extrusion dehydration, cake moisture are low, filter plate once all draws back and closes up, discharging flushing automatically, working automation, the production efficiency height, speed is fast, treating capacity is big, and the applicable raw materials scope is wide.

Technical solution of the present utility model is: this diaphragm type rapid pressure filter of calming the anger is by frame, hold-down mechanism, filter, automatic discharging flusher, the water receiving dolly constitutes, frame be two parallel girder two ends respectively with thrust plate, thrust plate bearing and tailstock connect and compose rectangular frame, hold-down mechanism includes master cylinder, the main oil cylinder piston bar, movable pressing board, master cylinder is fixed on the tailstock, movable pressing board rides between two girders and is connected with the main oil cylinder piston bar, movable pressing board can move front and back on girder, filter is made of the rammer board of filter of alternately arranging successively and band diaphragm of rubber, the all topped one deck filter cloth in the two sides of rammer board and filter, form filter chamber one by one, filter, rammer board, connect transmission by carrier bar between the movable pressing board, automatically the discharging flusher is by the discharging irrigator stand, the lifting beam, chain, sprocket wheel and hoist cylinder constitute, the discharging irrigator stand is fixed on the lifting beam, lifting beam and chain are connected and fixed, sprocket wheel is installed on the frame, and hoist cylinder connects and driving chain.

The utility model is compared with prior art, and effect has the following advantages:

(1), the into slurry of calming the anger, feed pressure is big, the rate of filtration is fast, cycle period is short, the efficient that comes into force height;

(2), adopt the dehydration of diaphragm of rubber secondary extrusion and just blowing technology such as cake dewatering, realize triple dewatering, thereby obtain the very low filter residue of moisture content;

(3), all filter plate disposable tensions, guaranteed that subsidiary operation time is short, the efficient height has changed the original backward situation of operation manually;

(4), reliable automatic discharge unit, removed the original heavy work of artificial bucket cake;

(5), automatically wash filter cloth, guarantee that filter press is in the high efficiency filter state all the time;

(6), solved the filter-press dehydration problem of fine, not only can be used for the cleaned coal dehydration, but also can be used for tailings dewatering and ore dressing and the dehydration of sewage fine, the applicable raw materials scope is wide;

(7), the complete machine reliable operation, the automaticity height, treating capacity is big, technical performance advanced person.

Fig. 1 is the utility model structure front view

Fig. 2 is the utility model structure vertical view

Fig. 3 is the utility model structure left view

Fig. 4 is the filter apparatus configuration cutaway view

Fig. 5 is connected and installed schematic diagram for carrier bar

Below in conjunction with accompanying drawing the utility model is further described in detail:

Referring to Fig. 1, Fig. 2, this diaphragm type rapid pressure filter of calming the anger is by frame 1, hold-down mechanism 2, filter 3, automatic discharging flusher 4, water receiving dolly 34 constitutes, frame 1 be two parallel girders, 7 two ends respectively with thrust plate 8, thrust plate bearing 9 and tailstock 10 connect and compose rectangular frame, hold-down mechanism 2 includes master cylinder 11, main oil cylinder piston bar 12, movable pressing board 13, master cylinder 11 is fixed on the tailstock 10, movable pressing board 13 rides between two girders 7 and is connected with main oil cylinder piston bar 12, movable pressing board 13 can move front and back on girder 7, filter 3 is made of the rammer board 16 of filter of alternately arranging successively 14 and band diaphragm of rubber 15, the all topped one deck filter cloth 17 in the two sides of rammer board 16 and filter 14, form each and every one filter chamber 18, filter 14, rammer board 16, connect transmission by carrier bar 19 between the movable pressing board 13, automatically discharging flusher 4 is by discharging irrigator stand 20, lifting beam 21, chain 22, sprocket wheel 23 and hoist cylinder 24 constitute, discharging irrigator stand 20 is fixed on the lifting beam 21, lifting beam 21 is connected and fixed with chain 22, sprocket wheel 23 is installed on the frame 1, hoist cylinder 24 connects and driving chain 22, water receiving dolly 34 passes through motor, decelerator, the power transmission shaft transmission is walked on guide rail.On the next door of this machine Hydraulic Station 5 and switch board 6 are installed also, to realize hydraulic power supply configuration and electrical control to this machine.

Referring to Fig. 3 left view of the present utility model, the bottom of discharging irrigator stand 20 is a sparge pipe 25, and sparge pipe 25 two ends are equipped with directive wheel 32, and sparge pipe 25 connects water inlet pipe 26, water inlet pipe 26 upper ends connect water supply hose 27, and water supply hose 27 connects water supply connector 28.The centre of thrust plate 8 and filter 14 and rammer board 16 has charging aperture 29 as can be seen from Figure 3 simultaneously, the upper end has and just blows into gas port 30, squeezing air inlet 35, has in the lower end and filters discharge outlet 31, referring to Fig. 2, Fig. 3, in girder 7 both sides workbench 33 is installed

Referring to Fig. 4, filter 3 is made of the rammer board 16 of filter of alternately arranging successively 14 and band diaphragm of rubber 15, the all topped one deck filter cloth 17 in the two sides of rammer board 16 and filter 14, form filter chamber 18 one by one, during filtration, slip in the batch can is under compressed-air actuated effect, charging aperture on thrust plate 8 enters in each filter chamber 18, slip carries out Separation of Solid and Liquid by the compressed air that injects in the batch can, because the effect of filter cloth, solid particle is stayed and is formed filter cake in the filter chamber, and filtered water is discharged by secret tunnel.In addition, compressed air also enters respectively between rammer board and the diaphragm of rubber and between filter and the filter cloth and dewaters, and realizes the function of the utility model triple dewatering.

Referring to Fig. 5, carrier bar 19 is a polylith, and two connects rammer board and filter respectively, and the filter two ends also are connected and fixed by carrier bar and movable pressing board and thrust plate respectively.

Operation principle: during filter press work, directly drive oil pump by motor hydraulic oil is injected master cylinder, piston rod stretches out, promoting movable pressing board moves on two parallel girders, and promoting all filter plates successively moves forward, and be pressed between movable pressing board and the thrust plate, form the filtering chamber of sealing between adjacent two filter plates, thereby the dehydration of finishing the suspension of being made up of solid-liquid two-phase material creates conditions.The solid-liquid separation dehydration operation of this kind filter press is divided into following work step and finishes:

1, calm the anger charging dehydration

Be filtered material suspended liquid under the compressed air effect of 0.6-0.8MPa, be imported into each sealed chamber (filter chamber) that filter plate is formed from the plup inlet at thrust plate middle part, suspension carries out first step dehydration by means of feeding pressure, liquid under pressure can be by the mesh hole of filter cloth, the fluid hole that comes together in filter and both sides, rammer board bottom is discharged, its solid particle then is trapped in the chamber by the mesh of filter cloth, form filter cake layer (filter cake), continuity along with the time, constantly being pressed into of suspended material, immobilized particles is cumulative, carries out the dehydration of second step until being full of again after chamber formation has certain thickness filter cake.

2, press dewatering

0.6-0.8MPa the duct of compressed air by thrust plate upper end right corner enter between rammer board and the diaphragm of rubber, agitate diaphragm of rubber to push to the filter cake direction, extrude the residual liquid between solid particle in the cake layer to greatest extent, to reach the minimum effect of cake moisture.

3, positive stripping water

0.6-0.8MPa compressed air enters between filter and the filter cloth by the blowing duct of thrust plate upper end left comer, sees through filter cloth and is just blowing filter cake, further reduces the water content of filter cake, also can loose filter cake, and help filter cake to separate with filter cloth.

4, unload cake

When compressing main oil cylinder piston bar retract cylinder, will drive all filter plate disposable tensions, the effect by two flexible small oil tanks on the frame drives sprocket wheel, chain, and shedding mechanism is moved up and down, and the filter cake that does not fall down is disclosed by force.

5, clean

Adopt 0.3MPa filter cloth to be carried out automatic spray-washing, improve filter efficiency and increase the filter cloth purpose in service life to reach with the upward pressure clear water.

So far, filter press is finished a working cycles.

Claims

1, a kind of diaphragm type rapid pressure filter of calming the anger, it is characterized in that by frame, hold-down mechanism, filter, automatic discharging flusher, the water receiving dolly constitutes, frame be two parallel main fine strain of millet two ends respectively with thrust plate, thrust plate bearing and tailstock connect and compose rectangular frame, hold-down mechanism includes master cylinder, the main oil cylinder piston bar, movable pressing board, master cylinder is fixed on the tailstock, movable pressing board rides between two girders and is connected with the main oil cylinder piston bar, movable pressing board can move front and back on girder, filter is made of the rammer board of filter of alternately arranging successively and band diaphragm of rubber, the all topped one deck filter cloth in the two sides of rammer board and filter, form filter chamber one by one, filter, rammer board, connect transmission by carrier bar between the movable pressing board, automatically the discharging flusher is by the discharging irrigator stand, the lifting beam, chain, sprocket wheel and hoist cylinder constitute, the discharging irrigator stand is fixed on the lifting beam, lifting beam and chain are connected and fixed, sprocket wheel is installed on the frame, and hoist cylinder connects and driving chain.

2, the diaphragm type rapid pressure filter of calming the anger according to claim 1 is characterized in that the centre of described thrust plate and filter, rammer board has charging aperture, and the upper end has and just blows into gas port and squeezing air inlet, and the lower end has the filtration discharge outlet.

3, the diaphragm type rapid pressure filter of calming the anger according to claim 1, the bottom that it is characterized in that the discharging irrigator stand is a sparge pipe, the sparge pipe two ends are equipped with directive wheel, and sparge pipe connects water inlet pipe, and the water inlet pipe upper end connects water supply hose and water supply connector.