CN100341600C

CN100341600C - Filter press

Info

Publication number: CN100341600C
Application number: CNB2006100123238A
Authority: CN
Inventors: 杜春清; 杨振民; 王泽月; 秦素芳
Original assignee: 秦素芳
Priority date: 2006-01-11
Filing date: 2006-01-11
Publication date: 2007-10-10
Anticipated expiration: 2026-01-11
Also published as: CN1817406A

Abstract

The present invention belongs to the technical field of a filter press, and more specifically, the present invention discloses a filter press. The filter press is composed of a frame beam and a pressing plate, wherein the frame beam supports filter plates; rails are fixed at both sides of the frame beam; vehicle bridges are arranged on the rails and are provided with rotary mechanisms started by power mechanisms; shifting forks rotating with the rotary mechanisms and shifting the filter plates to move are fixed at both ends of each rotary mechanism; shifting teeth corresponding to the filter plates and the shifting forks are fixed at the tops of the filter plates; stopping blocks stopping the vehicle bridges are fixed at the top of the pressing plate or a thrust plate. Because the filter press adopts a discharging device composed of a rotary wheel mechanism with the shifting forks, the rotary wheel mechanism rotates after being started by the power mechanisms, and each shifting fork shifts one filter plate to move and causes the filter plate and the adjacent filter plate to move for the rotation distance between two shifting forks to discharge solid materials. The present invention solves the problem that the filter press in the prior art has long material discharging time.

Description

A kind of filter press

Technical field

The invention belongs to the filter press technical field, relate to a kind of comprising specifically and be supported with a kind of filter press that the setting a roof beam in place of filter plate, thrust plate, pressure strip and hold down gag constitute.

Background technology

Filter press is to be widely used in the visual plant that industries such as chemical industry, oil, ore dressing, pharmacy, food realize solid phase and liquid phase separation.The formation of filter press mainly comprises the filter plate of realizing Separation of Solid and Liquid, framework and hold down gag and the device for discharging that supports filter plate.In the course of work of filter press, at first the filter plate in the framework is compressed by hold down gag, the solid-liquid compound is delivered to pressurizes in the filter plate then makes Separation of Solid and Liquid; After Separation of Solid and Liquid was finished, the filter plate that will be pressed by device for discharging separated one by one, the solid material after separating is drawn off between filter plate, thereby realize solid phase and liquid phase separation.And the speed that the filter plate that will be pressed by device for discharging separates is one by one determining the operating efficiency of filter press: the fast more efficient of the speed of separation is high more, otherwise slow more.

Be illustrated in figure 1 as the basic structure of present filter press: 2 both sides of setting a roof beam in place that are supported with filter plate 1 be set with track 3 respectively, on this track, respectively be mounted with a dolly 5 that can commute moves and have driving lever 4.When drawing off the solid material, the filter plate that will be pressed by two dollies separates one by one, and the solid material draws off between filter plate.But used the filter press of this dolly device for discharging,,, then needed long time if draw back tens of filter press filter boards on the filter press because its device for discharging commute once can only draw back a filter press filter board; The fault that can not steadily move synchronously also often appears in two dollies that spur same filter plate in this structure of pressing filter simultaneously, therefore greatly reduces the operating efficiency of filter press.

The content of invention

Purpose of the present invention just provides a kind of filter press that can successively filter plate be drawn back discharging, high efficiency continuously.

Realize that the technical scheme that above-mentioned purpose of the present invention adopted is:

A kind of filter press, its structure includes some filter plates, supports setting a roof beam in place and pressure strip of this filter plate, be fixed with track in described both sides of setting a roof beam in place, on this track, dispose at least one vehicle bridge, this vehicle bridge is provided with the rotating mechanism that is driven by actuating unit, and is fixed with its rotation at described rotating mechanism two ends and stirs the shift fork that described filter plate moves; Be fixed with on the described filter plate and corresponding the getting a tooth pulled out of described filter plate shift fork; Be fixed with the block of the described vehicle bridge of braking at the top of described pressure strip.

Additional technical feature comprises:

A described end of setting a roof beam in place is fixed with thrust plate;

Described thrust plate top is fixed with the block of stop vehicle bridge;

Described two ends of setting a roof beam in place respectively are provided with a pressure strip;

The middle part of described some filter plates accompanies a division board;

The two ends of described rotating mechanism respectively are fixed with at least one shift fork;

Connect by chain between described filter plate;

The length of chain is less than the string distance on adjacent shift fork top on the rotating mechanism between described filter plate;

Described getting a tooth pulled out is the projection at groove, projection or the both ends of being fixed in the filter plate top;

Described parallel track is set a roof beam in place in described.

A kind of filter press provided by the present invention compared with prior art, have the following advantages: because this filter press employing is at least one device for discharging that is made of the runner mechanism of band shift fork, runner mechanism rotates under the driving of actuating unit, from filter press one or both ends pressure strip, or begin each shift fork from the middle part of filter plate and can stir a filter plate and drive several filter plates and move, several filter plates are moved and adjacent filter plate draws back certain distance (also promptly moving the spacing between latter two filter plate) solid material and draws off; Synchronize them mobile shift fork by a rotating shaft drive rotation owing to stir the filter plate two ends simultaneously, avoided the filter plate two ends to move nonsynchronous phenomenon and taken place.The discharge time of whole filter press is 1/3rd of the prior art filter press discharge time, and operating efficiency has improved one times nearly.

Description of drawings

Fig. 1: the structure of pressing filter schematic diagram of prior art;

Fig. 2: the structure of pressing filter schematic diagram that constitutes device for discharging by a rotating mechanism;

Fig. 3: the structural representation of device for discharging;

Fig. 4: the structure of pressing filter schematic diagram that is provided with two devices for discharging;

Fig. 5: another kind is provided with the structure of pressing filter schematic diagram of two devices for discharging.

The specific embodiment

Be described in further detail below in conjunction with the structure and the operation principle of accompanying drawing filter press provided by the present invention:

Be illustrated in figure 2 as and be provided with the structure of pressing filter schematic diagram that a rotating mechanism constitutes device for discharging.Be structure comprise be supported with filter plate 1 set a roof beam in place 2, thrust plate 11 and pressure strip 12, the both sides of setting a roof beam in place are fixed with parallel with it track 4, on this track, dispose the vehicle bridge 6 of a band roller 5, this vehicle bridge is provided with the rotating shaft 8 that actuating unit 7 that one (as shown in Figure 3) be made of motor and reduction box starts, and is fixed with four shift forks 9 with its rotation respectively at the two ends of this rotating shaft.These four shift forks 9 are stirred corresponding filter plate in succession one by one and are moved, and make the filter plate stirred 1 and adjacent filter plate draw back certain distance, make that the solid material 10 between filter press press filtration rear filter plate draws off.In order to make vehicle bridge 6 can be fixed in the two ends of setting a roof beam in place, on thrust plate 11 and pressure strip 12, respectively be fixed with the block 13,14 of stop vehicle bridge.

In the structure of above-mentioned filter press, the number that the two ends of rotating shaft are fixed with the shift fork 9 of its rotation, can set one, two, three as required so that seven, eight or a plurality of, shift fork number long more or that set is corresponding many more, the speed of regularly stirring filter plate at rotating shaft rotating speed one is fast more, otherwise the shedding mechanism that is made of the vehicle bridge of band roller 5, the actuating unit 7 that is made of motor and reduction box, rotating shaft 8 and the shift fork 9 that rotates is simple more, but it is corresponding slow to stir the speed of filter plate.

In order to accelerate the speed of shedding mechanism discharging, between filter plate, connect, and the length of chain is less than or equal to the string distance on adjacent shift fork top with chain 15.Promptly push a filter plate aside and make it to draw back certain distance and expect 10 admittedly when drawing off with adjacent filter plate when a shift fork, simultaneously drive second filter plate and move and draw back certain distance with the 3rd filter plate folded solid material is drawn off, and stir the 3rd filter plate that has moved by an adjacent back shift fork by this chain 15.Along with the rotation of rotating shaft on the shedding mechanism with move forward, rotate shift fork and stir filter plate and move, admittedly expect that 10 draw off.

Shift fork 9 in the rotating shaft is provided with when longer, can make solid material from drawing off by moving with chain 15 several filter plates of pulling between filter plate when it is stirred a filter plate and moves, and second shift fork stirred does not have mobile filter plate, and the speed of discharging is faster.

Can stir filter plate when shift fork is rotated, on the top of filter plate or two side ends, be fixed with and corresponding get a tooth pulled out 16 or have an allocating slot that shift fork can insert with the corresponding position of shift fork (this embodiment is the both sides of filter plate end).

The operation principle of filter press is as shown in Figure 2: it is fixing by block 14 that original state, device for discharging are in pressure strip 12 places; During discharging, hold down gag 18 pulling pressure strips 12 and device for discharging retreat, retreat put in place after, the actuating unit that starts device for discharging drives rotating shaft 8 and rotates, shift fork 9 rotates 16 (or the allocating slots of stirring simultaneously on the filter plate) that get a tooth pulled out thereupon, stir filter plate and move, the solid-state material 10 that is clipped between first and second filter plates draws off; When filter plate moved a certain distance, chain 15 drove second filter plate and moves, and stirred this second filter plate that has moved by an adjacent back shift fork, and the solid-state material 10 that is clipped between the second and the 3rd filter plate draws off; Along with the rotation of shift fork 9, vehicle bridge 6 also moves forward with certain speed simultaneously, and the solid-state material up between all filter plates draws off.After 9 groups of intact filter plates of shift fork arrived block 13, hold down gag compressed filter plate, started actuating unit 7 counter-rotatings simultaneously and retreated, and 16 (or the allocating slots) that get a tooth pulled out behind the shift fork 9 walk to pressure strip 12 to be ended, and the hydraulic fluid cylinder working compresses charging with filter plate.A press filtration cycle of filter press finishes.For vehicle bridge 6 can be retreated smoothly to pressure strip 12, the chord length between adjacent shift fork just in time is the integral multiple of several filter plate thickness.

Be illustrated in figure 4 as the structure schematic diagram that is provided with two device for discharging filter press knots.For large-scale filter press, than steamed bun, promptly setting a roof beam in place is provided with two devices for discharging, has accelerated the speed of discharging by the speed of a device for discharging discharging.The filter press of this structure, at division board 19 of the middle part of its some filter plates folder, during discharging, at first extract this division board out, start actuating unit first device for discharging 20 and move to this division board place from pressure strip, shift fork begins to stir backward gapped filter plate 21 and moves then, and second device for discharging 22 is also stirred filter plate simultaneously and moved, and makes that the solid material between filter plate draws off.

Be illustrated in figure 5 as the structure of pressing filter schematic diagram that another kind is provided with two devices for discharging, promptly filter plate is arranged on the middle part of setting a roof beam in place, and two ends are the filter press of band hold down gag 18.Promptly the two ends on the filter press of this structure respectively are provided with a device for discharging.During discharging, the device for discharging that is arranged at two ends rotates simultaneously and stirs filter plate and move, and the solid material between filter plate is drawn off.Accelerated the speed that draws off of solid material greatly.

In the structure of above-mentioned structure of pressing filter, the length of chain is less than the string distance (or becoming the multiple relation) on adjacent shift fork top on the rotating mechanism between filter plate.When first shift fork is stirred first filter plate and is moved, can spur two or more filter plates simultaneously and move, second shift fork stirred the 3rd or the 4th filter plate and moved, and makes the solid material between filter plate draw off the speed that draws off of having accelerated solid material greatly.

Claims

1, a kind of filter press, its structure includes some filter plates, supports setting a roof beam in place and pressure strip of this filter plate, it is characterized in that: be fixed with track in described both sides of setting a roof beam in place, on this track, dispose at least one vehicle bridge, this vehicle bridge is provided with the rotating mechanism that is driven by actuating unit, and is fixed with its rotation at described rotating mechanism two ends and stirs the shift fork that described filter plate moves; Be fixed with on the described filter plate and corresponding the getting a tooth pulled out of described filter plate shift fork; Be fixed with the block of the described vehicle bridge of braking at the top of described pressure strip.

2, a kind of filter press according to claim 1 is characterized in that: a described end of setting a roof beam in place is fixed with thrust plate.

3, a kind of filter press according to claim 2 is characterized in that: described thrust plate top is fixed with the block of stop vehicle bridge.

4, a kind of filter press according to claim 1 is characterized in that: described two ends of setting a roof beam in place respectively are provided with a pressure strip.

5, a kind of filter press according to claim 1, it is characterized in that: the middle part of described some filter plates accompanies a division board.

6, a kind of filter press according to claim 1, it is characterized in that: the two ends of described rotating mechanism respectively are fixed with at least one shift fork.

7, a kind of filter press according to claim 1 is characterized in that: connected by chain between described filter plate.

8, a kind of filter press according to claim 7 is characterized in that: the length of chain is less than the string distance on adjacent shift fork top on the rotating mechanism between described filter plate.

9, a kind of filter press according to claim 1 is characterized in that: described getting a tooth pulled out to being fixed in the projection at filter plate top or both ends.

10, a kind of filter press according to claim 1, it is characterized in that: described parallel track is set a roof beam in place in described.