CN1248763C - Filter press - Google Patents

Abstract

The present invention relates to a filter press, particularly to a filter press which causes a plurality of parallel filter plates to open together and causes filter cloth laid among the filter plates to simultaneously move to discharge agglomerations and clean the filter cloth. A plurality of filter plates 4 are arranged in parallel on the steel rails 3 of a front frame and a rear frame of a support frame; double pieces of filter cloth 50 are arranged on the filter beds 4b of the front filter plates 4 and the rear filter plates 4 to form a filter chamber 59; a moving chain 8 is used for connecting the filter plates 4 to form a filter press which can freely open and close; double pieces of rectangular filter cloth 50 are hung on the filter beds 4b of the filter plates 4; at the time of fixedly connecting the fixing parts of upper filter cloth metal cores 51 which are positioned at the upper ends 50a of the filter cloth and freely rise and fall among the filter plates 4, the lower ends 50b of the pieces of filter cloth 50 are fixed on the fixing parts of a pair of lower filter cloth metal cores 54 which can freely rise and fall; and the through holes 55 of raw liquid are arranged in specified positions close to the upper filter cloth metal cores 51.

Description

Filter press

Technical field

The present invention relates to filter press, particularly relate to and make a plurality of filter plates arranged side by side open plate simultaneously, make and open a filter cloth of establishing between each filter plate and move simultaneously, lump and discharge and the filter press of filter cloth cleaning.

Background technology

Te Kaiping 11-19414 communique discloses and has driven the template filter press in proper order, the upper end that this filter press will be fixed on the filter cloth on the filter plate can be hung quiveringly and is located on the filter cloth supportive device, when caking is discharged, sequentially makes a filter plate open plate at every turn, make the vibration of filter cloth or filter plate, caking is peeled off from filter cloth.

In this filter press,,,, also there is the shortcoming of the residual caking of fixed part of filter cloth and filter plate according to the difference of caking proterties even therefore to filter cloth surface jet cleaning water because the central part of filter cloth is fixed on the filter plate.

The spy opens the 2000-33204 communique and discloses and drive the template filter press simultaneously, and this filter press zigzag between filter plate arranged side by side encloses link shape filter cloth, when caking is discharged, makes filter plate open plate simultaneously with clamping cylinder, filter cloth is moved and makes to lump and peels off.

In this filter press, when caking was discharged, because the riser portions of ring-type filter cloth and falling portion subtend move side by side, therefore the caking of not only paying on filter cloth became the resistance that filter cloth moves, but also is paying rolling on the bar on filter plate top.The bar that rolls of having paid caking just becomes that filter cloth crawls, wrinkling or damage reasons.The replacing of damaged filter cloth must be carried out the whole filter clothes that enclose the ring-type that hangs on the filter press, is the very work of difficulty.

In addition, in this filter press, owing to also carry out the switch of filter plate with the clamping cylinder, therefore under the situation that the number that makes filter plate increases, just must prolong the stroke of the clamping cylinder of the switch stroke part that increases filter plate, be difficult to realize the maximization and the multicellization of filter press.

Summary of the invention

In view of foregoing prior art problems, the purpose of this invention is to provide a kind of filter press, this filter press is owing to open the many filter plates arranged side by side of plate simultaneously, makes to hang the filter cloth of establishing between filter plate and move simultaneously, lump and discharge and the filter cloth cleaning, therefore can guarantee to have high filter efficiency.

Another object of the present invention provides a kind of filter press, and this filter press thereby more easily realizes saving space and high capacity because its total length shortens and makes filter plate weight saving, realizes the shortening of caking efflux time and filter plate switch time.

The 1st embodiment of the present invention is, many filter plates arranged side by side on the rail on support mmi machine frame and the afer bay, on the filter bed of front and back filter plate, open and establish a pair of filter cloth formation filter chamber, connect these filter plates and become in the switch filter press freely with mobile chain, hang oneself at the filter bed of filter plate and to establish a pair of rectangular filter cloth, in the metal-cored fixed part of the top filter cloth of free lifting between filter plate of ora terminalis on it of fixedly ining succession, the following ora terminalis of filter cloth is fixed on the metal-cored fixed part of a pair of bottom of free lifting between filter plate filter cloth, the through hole of stoste is set on the metal-cored assigned position of close top filter cloth.

Description of drawings

Fig. 1 is the side view of the filter press of embodiments of the invention.

Fig. 2 is the side view of filter plate of the filter press of Fig. 1, illustrates by mobile chain and interconnects each filter plate, opens the state of plate at certain intervals.

Fig. 3 is the front view of filter plate of the filter press of Fig. 1.

Fig. 4 be Fig. 3 filter plate communicating pipe portion enlarged drawing.

Fig. 5 A and 5B be mounted in Fig. 4 communicating pipe the sealing ring in the portion side view and front view.

Fig. 6 be Fig. 4 communicating pipe portion profilograph, the draining road that forms when closing plate and the state of sealing ring and liner are shown.

Fig. 7 A and 7B are the cutaway view and the upward views of the reinforcement iron that is pressed into of the shoulder at the filter plate of Fig. 3.

Fig. 8 is arranged on the front view of the field trash separator in the discharge portion of filter plate of Fig. 3.

Fig. 9 is the profilograph of discharge portion of the filter plate of Fig. 3, illustrates along the section of the IX-IX line of Fig. 8.

Figure 10 is the front view of lamina membranacea of the filter press of Fig. 1.

Figure 11 is the front view of central layer of the lamina membranacea of Figure 10.

Figure 12 is the profile of osculum of lower end of the central layer of Figure 11, illustrates along the section of the XII-XII line of Figure 11.

Figure 13 is the front view of diaphragm of the lamina membranacea of Figure 10.

Figure 14 A and 14B are the enlarged drawing and the cutaway views thereof of Drainage Division of the diaphragm of Figure 13.Figure 14 B illustrates along the section of the XIV-XIV line of Figure 14 A.

Figure 15 is the central layer of installment state of lamina membranacea of Figure 10 and the profile of diaphragm.The diaphragm that the two sides is shown is fixed on state on the central layer by shared inserts.

Figure 16 be Fig. 1 filter press filter cloth hang the front view of establishing device.The top that is provided in filter plate top is shown hangs the bottom of establishing device and being provided in the bottom and hangs and establish device.

Figure 17 is that the vertical view of establishing device is hung in Figure 16 middle and upper part, filter cloth driving shaft and sliding axle is shown and is connected the structure of their slide teeth roller box.

Figure 18 is at the hang oneself perspective view of the filter cloth established of the filter bed of the lamina membranacea of the filter plate of Fig. 3 or Figure 10.

Figure 19 is the front view that is fixed on the feed flow plate on the filter cloth of Figure 18.

Figure 20 is the profilograph of the feed flow plate of Figure 19, illustrates along the section of the XX-XX line among Figure 19.

Figure 21 is illustrated in out the hang oneself longitudinal sectional view of state of the filter cloth of establishing Figure 18 of filter plate behind the plate.Illustrate by enclosing and hang over top and hang drive chain on the sprocket wheel of the filter cloth driving shaft of establishing device, connect to enclose and hang over the bottom and hang the metal-cored and metal-cored state of bottom filter cloth of top filter cloth that the filter cloth on the bar is rolled in the revolution of establishing device.

Figure 22 A is front view and the side view that is connected the clamp of filter cloth on the drive chain of Figure 21 with 22B.

Figure 23 is illustrated in the side view of hanging filter cloth metal-cored state in bottom on the clamp of Figure 22.

Figure 24 is the side view of moving head of front portion of the filter press of Fig. 1.

Figure 25 is at the removable retainer of the filter press of Fig. 1 with the side view of the moving head at the rear portion that clamps cylinder and its binding.

Figure 26 is the side view of switching device of filter plate of the filter press of Fig. 1.Be illustrated in and fixing the anterior moving head and the state of removable retainer on the parallel moving part of ring-type haulage chain.

Figure 27 is the front view from the moving head of the front portion that the direction of the arrow XXVII of Figure 24 is seen.

Figure 28 is the key diagram of the relative position relation of the locking device of the moving head of the front portion when filter plate being shown closing plate and removable retainer and rail piece.

Figure 29 is the rearview of the removable retainer seen from the arrow XXIX direction of Figure 25.

Figure 30 is that another embodiment that bar is rolled in the revolution of establishing device is hung in the bottom of Figure 16, is the phantom of adorning the state of excellent heater in the expression.

Figure 31 is the side view that the filter cloth of the filter press of Fig. 1 moves failure detector.

Figure 32 is the front view that the filter cloth of Figure 31 moves the major part of failure detector, is that expression is arranged on the detection control stick free to rotate on the filter plate shoulder.

Figure 33 is the front view that drips dish and switch ring mechanism thereof of filter plate below that is provided in the filter press of Fig. 1.

Figure 34 A, 34B and 34C are the switch working state figure that drips dish of expression Figure 33.

The specific embodiment

Below utilize accompanying drawing to explain embodiments of the invention.

As shown in Figure 1, many filter plates 4 arranged side by side are supported on the rail 3 of the pair of parallel on crane span structure mmi machine frame 1 and the afer bay 2.The leading section of rail 3 and rearward end are fixed on the side of fore-stock 1 and after-poppet 2 respectively, and its middle part is supported on the middle rail shelf 118.

At the anterior moving head 5 of the place ahead of foremost filter plate 4 configuration, the moving head 6 at the rear portion of the rear of the filter plate 4 on limit configuration in the end.

As shown in Figure 2, the moving head 6 at filter plate arranged side by side on the rail 34, anterior moving head 5 and rear portion by the upper and lower at separately sidewall divide loop chain fixing on the locking member 7 of 2 sections settings, promptly mobile chain 8 interconnects.For the interval that makes 4 of filter plates when filter plate 4 is opened plate keeps certain, per 4 rings of mobile chain 8 and locking member 7 are fixing.Constitute in each ring of mobile chain 8 and the fixing ring 8a of locking member 7, the parallel portion of its elliptical ring interfixes being positioned on the direction up and down, when switch filter plate 4, when its adjacent ring 8c smoothly fascinates, makes that the ring 8b between this ring 8c moves up and down smoothly.

When the moving head 6 that makes anterior moving head 5 and rear portion respectively when move the front and back, filter plate 4 just begins to open successively plate from the filter plate that is positioned at this row front and back end, but a pair of filter plate 4g that opens plate at last this moment is connected by the bar 8d that is fixed on slidably on its sidewall.The interval of filter plate 4g was than other the interval of filter plate 4 that is connected by mobile chain 8 when the structure of this bar 8d made out plate, and the length of 4 rings of promptly mobile chain 8 also is about about 5mm.Like this, can absorb the error of stop position of the moving head 6 at the moving head 5 of the front portion when opening plate and rear portion, the power that prevents to draw the moving head 6 at anterior moving head 5 and rear portion is added on the mobile chain 8.In addition,, on bar 8d, breach is set, just in case the power of the moving head 6 at anterior moving head 5 of traction and rear portion when being added on the mobile chain 8, just can avoid mobile chain 8 to rupture in order to make bar 8d just fracture under than the low load of the breaking load of mobile chain 8.

As shown in Figure 3, form the filter bed 4b of concave shape in the front and back of filter plate 4.Many pyramid 4d are set on the surface of filter bed 4b.

The stoste supply road 9 that front and back connect is set on the top of filter plate 4.On the front-back of filter plate 4, the filter bed 4b that arrives on every side that this stoste is supplied with road 9 forms recess 4c.When closing plate, feed flow plate 56 described later is chimeric with this recess 4c across filter cloth 50.

Around filter bed 4b and recess 4c, adjacent filter plate 4 and filter cloth when closing plate forms sealing surface 4a in succession.

Establish the osculum 10 of filtrate in the bottom of filter plate 4, its osculum 10 1 ends are at the underpart opening of filter bed 4b, and the other end is being arranged on communicating pipe portion's draining road 12 upper sheds of 11 of filter plate 4 side wall lower ends.

Communicating pipe, portion 11 was arranged on the left and right sides wall of filter plate 4, but the filter bed 4b of the front-back of filter plate 4 is then by shared osculum 10, only with these portion 11 communicating pipe in one be communicated with.On the rail 3 filter plate 4 arranged side by side be arranged in the filter bed 4b that makes each filter plate 4 with about communicating pipe portion 11 be interconnected.

By filter plate arranged side by side 4 is closed plates, 4 of adjacent filter plates are disconnected communicating pipe portion 11 draining road 12 couple together, form continuous filtrate draining road 12.

Because do not need to hinder the flexible pipe that filtrate is discharged that is used for of filter plate 4 switches, the part number of packages has reduced, it is also easy therefore to safeguard.

Make the support handle 13 of filter plate 4 supports on rail 3 in the setting of the top of the left and right sides of filter plate 4 wall.About support the liner 13a and the 13b of assembling ultrahigh molecular weight polyethylene on the bottom surface of handle 13 or polyfluoroethylene resin (PTFE) system.Liner 13a has the sliding surface of the flute profile corresponding with angle steel rail on the side who is arranged on one group of rail 3.Liner 13b has the sliding surface of the planar shaped corresponding with the flat rail that is provided with on another rail 3.Utilize the engagement of groove and the protrusion that is arranged on the angle steel rail on the side of rail 3 of the sliding surface of liner 13a to decide position on the left and right directions of filter plate 4.

Middle part at the filter bed 4b of filter plate 4 is provided with support bed 14, and this support bed 14 is used for after filter plate 4 is closed plates and when clamping, bears the load that is added on the filter plate 4, prevents the deflection deformation of filter plate 4.

Each filter plate 4 usefulness synthetic resin material constitutes, to realize its lightweight.

Be pressed into reinforcement iron 15 shown in Fig. 7 A and 7B at the shoulder of filter plate 4, it strengthens the iron core 16 that iron 15 has clamping between front and rear wall 15b, and forming its section is the groove shape.On unshakable in one's determination 16, be provided for the screwed hole 16a that hangs the head bearings 36 of establishing device with bolt 38 fixing filter clothes described later.

In addition, among the pilot hole 15a that is provided with on the front and rear wall 15b that strengthens iron 15, as shown in Figure 3, inserting bolt 17 will be strengthened iron 15 and be fixed on the filter plate 4.

Therefore, can give the shoulder of filter plate 4 of synthetic resin material system with rigidity.

Shown in Fig. 3,8 and 9, in the discharge portion of the filter bed 4b of filter plate 4 lower ends, fixing from filter bed 4b to sealing surface 4a and to be used for the field trash separator 18 that filtrate is discharged.After field trash separator 18 is fixed, have with the sliding continuous filtration bed surface 18d in filter bed 4b level land and with the sealing surface 18e of sealing surface 4a LINEAR CONTINUOUS.Filtering many pyramid 18a that the little pyramid of the pyramid 4d that is provided with on comprising than filter bed 4b is being set on the bed surface 18d.In the lower end of filtering bed surface 18d,, a plurality of via hole 18b that are communicated with the osculum 10 of filter plate 4 are set along the border of filtering bed surface 18d and sealing surface 18e.On the filtration bed surface 18d and sealing surface 18e of field trash separator 18, respectively there are 2 places that the pilot hole 18c that inserts the bolt that is used for fixing field trash separator 18 is set.At the back side of field trash separator 18, pilot hole 18c with filtration bed surface 18d is set with the screwed hole 18f of row arrangement and the groove 18g that is communicated with via hole 18b.The configuration of pilot hole 18c and screwed hole 18f as shown in Figure 9, the TVS of filter plate 4 front-backs 18 is by mutual back-to-back state fixedly the time, inserts the assembling bolt among the pilot hole 18c of one of them TVS 18 and the screwed hole 18f of another TVS 18 and screws togather.In addition, the groove 18g groove 18g that forms one of them TVS 18 constitutes the water route 18h that is communicated with osculum 10 with the groove 18g of another TVS 18.

Because the several pyramid 18a among the pyramid 18a of field trash separator 18 form forr a short time than the pyramid 4d of filter bed 4b, so when filtrate flows into osculum 10 from filter bed 4b, the flow of the filtrate among the via hole 18b can be disperseed to concentrate on, the concentrated wear of field trash separator 18 can be avoided.

Because causing that by the filtrate that flows into osculum 10 from filter bed 4b the discharge portion of the filter bed 4b of wearing and tearing is provided with field trash separator 18, so, also can protect the main body of filter plate 4 not to be worn even the particulate of inanimate matter etc. flow in the filtrate.In addition, even worn and torn,, just can continue to use filter plate 4 as long as change field trash separator 18.

As shown in Figure 3, in communicating pipe with osculum 10 openings of filter plate 4 on inner peripheral surface of 11, pasting the liner cylindraceous 19 of wearability.As shown in Figure 4, liner 19 has outer peripheral face that the radius that is pasting on communicating pipe portion's inner peripheral surface of 11 is R1, is the inner peripheral surface of R2 and is arranged on the locational hole 19a corresponding with the osculum 10 of filter plate 4 from the eccentric upward radius of outer peripheral face.On the outer peripheral face of liner 19, on the position corresponding, form recess 19b with the 19u of seam portion of aftermentioned sealing ring 19s, this recess 19b be used for and communicating pipe portion's inner peripheral surface of 11 between, on fore-and-aft direction, connect the 19u of this seam portion.In addition, on the outer peripheral face of the lower end of liner 19 side, form recess 19c.Like this, shown in the arrow among Fig. 6, on bottom, can guarantee that the path 12a of filtrate is communicated with by the communicating pipe draining road 12 that forms of portion 11.

Owing to pasting liner 19,, also can protect communicating pipe portion's inner peripheral surface of 11 not to be worn even therefore the particulate of inanimate matter etc. flows in the filtrate.In addition, even worn and torn,, can continue to use filter plate 4 as long as change field trash separator 18.

As shown in Figure 3, in communicating pipe of pasting liner 19 in the one 11, shown in Fig. 5 A and 5B, assembled sealing ring 19s.Sealing ring 19s is connected the 19u of the seam portion formation of the 19t of sealing portion by the parameatal sealing 19t on the draining road 12 that the time is arranged in communicating pipe portion's front-back of 11 in assembling with 3 places around the 19t of sealing portion.Among the sealing ring 19s, connect sealing 19t because the 19u of this seam portion strides across communicating pipe portion 11, even therefore when to filter plate 4 switchboards, add partial load on sealing 19t, sealing 19t does not come off yet.In addition, because the 19u of seam portion only connects sealing 19t at 3 places, therefore guaranteed the amount of deflection of sealing ring 19s.Thereby when changing sealing ring 19s, less ground fold seals ring 19s just can be from communicating pipe portion 11 front or the opening insertion sealing 19t on the draining road 12 of back.

Filter plate 4 can effectively utilize the light weight and the chemical resistance that belong to the synthetic resin characteristic, and guarantee to have the good intensity of existing metallicity filter plate owing to adopt reinforcement iron 15, field trash separator 18 and liner 19 etc.Like this, alleviate the weight of filter plate 4, can realize the maximization of filter press.

Figure 10 is another embodiment of filter plate, and the lamina membranacea 20 that possesses central layer 21 and be assemblied in the diaphragm 28 on its front-back is shown.When using this lamina membranacea 20, also can be mutually and be listed on the rail 3 with lamina membranacea 20 and above-mentioned filter plate 4.If use lamina membranacea 20, the diaphragm 28 that makes by as described later expands, owing to can further push the stoste that is pressed into filter press, therefore can realize dewatering by force.

Shoulder at lamina membranacea 20 also is pressed into reinforcement iron 15.The reinforcement iron 15 of lamina membranacea 20 is provided in and is arranged in the shoulder of reinforcement iron 15 opposite sides of the filter plate 4 of lamina membranacea 20 front and back.

Constitute with the synthetic resin materials because the central layer 21 of lamina membranacea 20 is also the same with filter plate 4, therefore can alleviate the weight of lamina membranacea 20, when can realize the maximization of filter press, also can be used in the special waste liquid of chemical treatment etc.

As shown in figure 11, form the support bed 21b of concave shape in the front and back of central layer 21.

The stoste supply road 22 that front and back connect is set on the top of central layer 21.In the front and back of central layer 21, around this stoste supply road 22, form recess 21c to filter bed 21b.

Around support bed 21b and recess 21c, be formed for the fitting surface 21a of assembling diaphragm 28 on central layer 21.

Be provided for being embedded in the lipped joint groove 21d of the seal lip 28d of setting on every side at aftermentioned diaphragm 28 back sides at the peripheral part of support bed 21b.

In the bottom of central layer 21, as shown in figure 12, be formed for holding the lower end side recess 21e of the Drainage Division 33 of aftermentioned diaphragm 28.

As shown in figure 11, the osculum 23 of filtrate and the water supply hole 25 of pressure (hydraulic) water are set in the inside of central layer 21 lower ends.Osculum 23 is communicated with communicating pipe portion 24 the draining road 12 that is arranged on central layer 21 side wall lower ends, has the opening 23a on the lower end side recess 21e that is arranged on support bed 21b.Water supply hole 25, one ends of pressure (hydraulic) water are at the underpart opening of support bed 21b, and the other end is in the inner peripheral surface upper shed on the water supply road 35 of pressurized water tubes portion 26, this water supply road 35 be arranged on and be provided with central layer 21 communicating pipe portion's sidewall of 24 in the lower end of the sidewall of opposite side.

Make the support handle 27 of lamina membranacea 20 supports on rail 3 in the setting of the top of the left and right sides of central layer 21 wall.

This support handle 27 also is formed in addition lamina membranacea 20 is closed the air feed road 27a that plate is communicated with afterwards.

Be provided with an end at the upper end of support bed 21b opening in the inside of central layer 21 upper ends, the other end is at the air vent 27b of the air feed road 27a upper shed of supporting handle 27.

As shown in figure 13, diaphragm 28 have on the fitting surface 21a that is assemblied in central layer 21 periphery 28a and within it side form the filter bed 28b that is provided with many pyramids on the surface of concave shape.

Stoste is set on the top of diaphragm 28 supplies with road 29.Around this stoste supply road 29, form recess 28c to filter bed 28b.

As shown in figure 15, the periphery 28a of the diaphragm of installing on central layer 21 two sides 28, is fixed on the fitting surface 21a of central layer 21 by pressing plate 32 by clamping screw 31.Clamping screw 31 is screwed on the rectangle inserts 30, and this rectangle inserts 30 has been inserted into 21 li of central layers, and its both ends have screwed hole, and is shared by the clamping screw 31 of this clamping screw and opposite face one side.Thereby, since when one of them diaphragm 28 is expanded, be added to the tension force of clamping screw 31 act on another diaphragm 28 by the direction that is pressed in central layer 21 on, so diaphragm 28 is securely fixed on the central layer 21.In addition, because the size of these tension force is symmetrical to the two sides, the power of joint portion that therefore is added to 21 of inserts 30 and central layers is very small.Thereby, in order to firmly fix inserts 30, will it not throw or be cast into central layer 21 into, can make at an easy rate.

The periphery 28a that is fixed on the diaphragm 28 on the fitting surface 21a of central layer 21 roughly is same plane with the periphery of the fitting surface 21a of central layer 21, constitutes the sealing surface of lamina membranacea 20.

As shown in figure 13, in the lower end of the periphery 28a of diaphragm 28 Drainage Division 33 of discharging filtrate is set.This Drainage Division 33 is shown in Figure 14 A and 14B, have a plurality of opening 33b and a plurality of rhone 33a, a plurality of opening 33b are arranged on the position corresponding with the opening 23a of the lower end side recess 21e of central layer 21, and a plurality of rhone 33a are arranged on filter bed 28b from diaphragm 28 to the position of this opening 33b.Filtrate is directed to this rhone 33a, and after filter bed 28b inlet opening 33b, the opening 23a by central layer 21 is discharged to osculum 23.

In the Drainage Division 33 of diaphragm 28, shown in Figure 14 A, around rhone 33a and opening 33b, filling reinforcement cloth 33c in the scope (the oblique line part of Figure 14 A) of filter bed 28b.

In addition, below the opening 33b of Drainage Division 33, stick reinforcing band 33d.Because the surface elevation of the Drainage Division 33 around the surface ratio of this reinforcing band 33d a bit, therefore when lamina membranacea 20 was closed plate, the bottom of the opening 33b of the Drainage Division 33 of diaphragm 28 just was securely held between the lower end side recess 21e of the sealing surface 4a of the Drainage Division 33 of opposed diaphragm 28 or filter plate 4 and central layer 21.Because by the reinforcement of strengthening cloth 33c and reinforcing band 33d, the tension force that produces when diaphragm 28 is expanded can be given Drainage Division 33 enough intensity, thereby can do this Drainage Division 33 very thin.

Middle part at the filter bed 28b of diaphragm 28 is provided with support bed 34, when this support bed 34 is used for clamping after lamina membranacea 20 is closed plates again, bears the load that is added to lamina membranacea 20, to prevent the deflection deformation of central layer 21.

Under the situations that lamina membranacea 20 and filter plate 4 are used mutually side by side, be used to make the pressurized water tubes portion 26 of the pressure (hydraulic) water that diaphragm 28 expands to use as supply communicating pipe of filter plate shown in Figure 34 in the one 11 one.When filter plate 4 that will be mutually arranged side by side and lamina membranacea 20 closed plate, adjacent filter plate 4 and the pressurized water tubes portion of lamina membranacea 20 26 and communicating pipe portion 11 and 24 even connect formed the water supply road 35 of pressure (hydraulic) water and the draining road 12 of filtrate respectively.

As shown in figure 16, hanging of filter cloth established device and hung the bottom of establishing device and being provided in the bottom by the top that is provided in filter plate 4 tops and hang and establish device and constitute.

Top is hung and is established device and comprise: a pair of head gear-bearing 36 and the head bearings 37 of erectting two shoulders that are arranged on filter plate 4; The filter cloth driving shaft 39 of support on them; The slide teeth roller box 41 that is connected with an end of filter cloth driving shaft 39; Be fixed on the pair of sprocket 40 at the both ends of filter cloth driving shaft 39.

The 36 usefulness assembling bolts 38 of head gear-bearing are fixed on the reinforcement iron 15 that is pressed into a shoulder in the filter plate 4, are supporting slide teeth roller box 41 in the upper end of this head gear-bearing 36.

Be bearing in the output helical gear 43 on the slide teeth roller box 41, as shown in figure 17, with input helical gear 42 engagements that are fixed on filter cloth driving shaft 39 ends.In the switchboard action of filter plate 4, always keep this engagement.Cooperating on the helical gear 43 with respect to output helical gear 43 in output and can not rotate but the aftermentioned sliding axle 44 that can be free to slide in the axial direction, extend at the fore-and-aft direction of filter press.

Owing to support the head gear-bearing 36 of sliding axles 44 to erect to be arranged on to utilize to be pressed into by slide teeth roller box 41 and strengthen on the shoulder of filter plate 4 that iron 15 obtains enough rigidity, therefore, when filter plate 4 switch motions, even add the alternate load that produces because of the resistance to sliding that between sliding axle 44 and output helical gear 43, takes place, head gear-bearing 36 and strengthen between the iron 15, the coupling part strengthened between the shoulder of iron 15 and filter plate 4 also do not relax, be maintained top and hung the rigidity of establishing device.

For when closing plate between adjacent filter plate 4 non-interference, slide teeth roller box 41 and support its head gear-bearing 36 to be provided in mutually on the left and right sides shoulder of filter plate arranged side by side 4.At this moment, the sprocket wheel 40 of the filter cloth driving shaft 39 of each filter plate 4 is arranged on same the straight line.

In the filter press that filter plate 4 and lamina membranacea 20 is arranged side by side mutually too, slide teeth roller box 41 and head gear-bearing 36 be provided in mutually filter plate 4 about in a side shoulder and the opposing party's of lamina membranacea 20 shoulder on.

On the other hand, the bottom is hung and is established device and comprise: 2 guard bearings 45,45 that hang down in the lower end, both sides of filter plate 4; Bar 46,46 and scavenge pipe 47 are rolled in the 2 piece revolutions of support on them; Be assemblied in the nozzle 48 on one of them guard bearing 45 and the joint container 49 of rinse water.

In the filter press that filter plate 4 and lamina membranacea 20 is arranged side by side mutually, on lamina membranacea 20, also set to hang and established identical the hanging of device and establish device with this bottom.

In addition, the chain guiding roller bearing 40a that the drive chain 52 of the aftermentioned filter cloth of establishing 50 is hung in guiding is set on head gear-bearing 36 and head bearings 37, the metallic plate bending that makes the identical drive chain 52 of guiding is set and the chain guiding metallic plate 40b that forms in the lower end of filter plate 4.

As shown in figure 18, a pair of rectangular filter cloth 50 has last ora terminalis 50a and following ora terminalis 50b, and ora terminalis 50a closes the synthetic tubular of upper end folded seam mutually on this, and this time ora terminalis 50b is with the synthetic a pair of tubular of each bottom folded seam.In last ora terminalis 50a and following ora terminalis 50b, inject top filter cloth metal-cored 51 and the bottom filter cloth of growing than the width of filter cloth 50 metal-cored 54 respectively and give fixing.Link portion has the drive chain 52 of fastening bolt 53 respectively at the both ends of top filter cloth metal-cored 51.

The feed flow plate 56 of stoste in the upper center clamping of a pair of filter cloth 50.Shown in Figure 19 and 20, the feed flow road 58 that the stoste that penetrates into the back from the front is supplied with road 57 and penetrated into the lower end of feed flow plate 56 from the downside inner peripheral surface on this stoste supply road 57 is set on the feed flow plate 56.

The metal-cored 56a that packs into and constitute in the bottom of feed flow plate 56 by corrosion-resistant metal such as stainless steels.The structure of metal-cored 56a comprises: the T template 56b of the part of the front and back of formation feed flow plate 56; The middle part of T template 56b before and after connecting constitutes the connecting plate 56c on feed flow road 58 with T template 56b; The attaching parts 56d that connects T template 56b two ends.

Under the situation of the filter press that is used in filter plate 4 arranged side by side mutually and lamina membranacea 20, the angle of lamina membranacea 20 1 sides of the lower surface of feed flow plate 56 is inclined to the obtuse angle, after the diaphragm 28 of lamina membranacea 20 expands, prevents to be clipped in filter cloth 50 damages in feed flow plate 56 and the diaphragm 28.Big activation is encased in the T template 56b of feed flow plate 56 overall withs, owing to be set on the position of the seal lip 28d that is equivalent to diaphragm 28, when therefore lamina membranacea 20 being closed plate, the seal lip 28d of diaphragm 28 is pressed among the lipped joint groove 21d of central layer 21 exactly by metal-cored 56a.

In the upper center of a pair of filter cloth 50 of clamping feed flow plate 56, the through hole 55 of stoste is set in the stoste that is equivalent to feed flow plate 56 on for the position of supplying with road 57.Filter cloth 50 around the through hole 55 feed flow plate 56 of ining succession.

As shown in figure 21, a pair of filter cloth 50 hangs and is located between the filter plate arranged side by side 4, encloses the revolution that hangs over front and back filter plate 4 respectively and rolls on the bar 46, and stoste side filtering surface becomes downside when making reversing.

The drive chain 52 that is connected with the top filter cloth metal-cored 51 of filter cloth 50 encloses on the sprocket wheel 40 of the filter cloth driving shaft 39 that hangs over front filter plate 4, and a side hangs down in the front of this filter plate 4.Drive chain 52 guiding chain guiding roller bearing 40a that hang down and chain guiding metallic plate 40b, with the sealing surface 4a of this filter plate 4 and filter bed 4b almost parallel stretch, and enclose the bottom filter cloth metal-cored 54 that 2 revolutions that hang over these filter plate 4 bottoms roll the filter cloth 50 on the bar 46 and be connected.At this, the bottom filter cloth metal-cored 54 of each filter cloth 50 is clamped on the clamp 60 on the fastening bolt 53 that is fixed on drive chain 52.

When filter plate arranged side by side 4 is closed plate, be fixed on feed flow plate 56 on the filter cloth 50 be clamped in before and after the recess 4c of filter plate 4, on the filter bed 4b of front and back filter plate 4, open and establish a pair of filter cloth 50, between them, constitute filter chamber 59.

2 revolutions are rolled bar 46 supports mutually on the position of staggering on the above-below direction.Scavenge pipe 47 rolls bar 46 with these revolutions and is arranged on their below abreast, has facing to enclosing to hang over a plurality of nozzle 47a that the reversing portion of the filter cloth 50 on the bar 46 is rolled in revolution.Nozzle 48 is connected with scavenge pipe 47 by engaging container 49, rolls the top of bar 46 from revolution and rolls bar 46 facing to revolution.

The clamp of the L font that filter cloth 50 is connected with drive chain 52, shown in Figure 22 A and 22B, comprise the vertical component effect 60e of the bottom filter cloth metal-cored 54 of the horizontal part 60d of fastening bolt 53 of fixed drive chain 52 and the chucking filter cloth 50 that extends from the cardinal extremity of this horizontal part 60d downwards.

In the side at the tip of horizontal part 60d the groove 60a that above-below direction extends, the clamping slot 60b of vertical quadrature of setting and horizontal part 60d below horizontal part 60d are set.

In addition, vertical component effect 60e has the maintaining part 60c that is arranged side by side up and down.Each maintaining part 60c horizontal part 60d vertically on connect vertical component effect 60e, constitute by oval-shaped hole long on the above-below direction and the opening 60f that opens respectively to the two side of vertical component effect 60e from the top in this hole.

Clamp 60 as shown in figure 23, the fastening bolt 53 that is fixed on the drive chain 52 is inserted in the groove 60a of the horizontal part 60d of clamp 60 from a side direction, the nut 61 that will be threaded with fastening bolt 53 clamps from the above-below direction of horizontal part 60d, and clamp 60 just is fixed on the fastening bolt 53.Owing to tightened the nut 61 of downside by the sidewall of the clamping slot 60b that on the most advanced and sophisticated side of the horizontal part 60d of clamp 60, forms, so fastening bolt 53 does not come off from clamp 60.

Hang when establishing filter cloth 50 4 of filter plates, 2 drive chains 52 of assembling on the filter cloth 50 are enclosed on the sprocket wheel 40 of the filter cloth driving shaft 39 that the top that hangs over filter plate 4 is provided with, drive chain 52 and filter cloth 50 hang down in the front and back of filter plate 4 respectively.

The revolution of back one side that filter cloth 50 volume of front one side in a pair of filter cloth 50 is hung over the filter plate 4 of the front that is positioned at this filter cloth 50 is rolled on the bar 46, and the bottom filter cloth metal-cored 54 of this filter cloth 50 is clamped on the maintaining part 60c in the clamp 60 that is connected with the lower end of the drive chain 52 that hangs down in the front of this filter plate 4 side.In addition, the filter cloth 50 of back one side of a pair of filter cloth 50 that will between the filter plate 4 in this filter plate 4 and its prostatitis, similarly hang down, volume hangs over the revolution of back one side of this filter plate 4 and rolls on the bar 46, and the bottom filter cloth metal-cored 54 of this filter cloth 50 is clamped on another maintaining part 60c of clamp 60.

According to the structure of this clamp 60, when replacing/field-strip of filter cloth 50 etc., also can be as above-mentioned, that side of the filter plate 4 of establishing/dismantling from hanging of filter cloth arranged side by side 50 is carried out at an easy rate.

If move the nut 61 be threaded with fastening bolt 53, the length that just can regulate drive chain 52 just can be removed and hang the filter cloth 50 established after stretching, the relaxing and excessive tensioning of filter cloth 50.

On the head gear-bearing 36 of filter plate 4, by a pair of sliding axle 44 that slide teeth roller box 41 can be supported with being free to slide, as Fig. 1 and shown in Figure 17, extend on the fore-and-aft direction of filter press in parallel to each other the left and right sides above filter plate 4.The front and back end of each sliding axle 44 can be supported on forebay 1 and the afer bay 2 respectively freely to rotate.The front end of a pair of sliding axle 44 is connected with the filter cloth driving machine 62 of the energy rotating that is provided with on the forebay 1 in linkage respectively by change gear 76.By this filter cloth driving machine 62 being driven, make horizontally slip axle 44 and the needed amount of connected all filter cloth driving shaft 39 rotations, just can make filter cloth 50 lifting simultaneously of 4 of filter plates arranged side by side.

The moving head 5 of the front portion that sets in the foremost of filter plate arranged side by side 4 shown in Figure 24 and 27, can utilize be provided with on the sidewall of its left and right sides a plurality of to roll bar 64 and carry out movably support on rail 3.On the sidewall of the left and right sides of fore moving head 5, also be provided with the connecting pin 65 on the haulage chain 71 of the moving head 5 that is fixed on the traction front portion of rolling bar 64 outsides in addition.

Be provided in the moving head 6 and the removable retainer 66 that is provided in its back at the rearmost rear portion of filter plate arranged side by side 4, as shown in figure 25, utilize the piston 68 of the hydraulically powered clamping cylinder 67 of support on removable retainer 66 to interconnect.

The moving head 6 at rear portion and removable retainer 66 can utilize be provided with on separately the left and right sides sidewall a plurality of to roll bar 69 and 70 to carry out movably support on rail 3, when the piston 68 that clamps cylinder 67 is stretched, the moving head 6 at rear portion is moved forward and backward with respect to removable retainer 66.

At the connecting pin 74 that is provided with above the sidewall of the left and right sides of removable retainer 66 on the haulage chain 71 that is fixed on the removable retainer 66 of traction.

On fore moving head 5 and the removable retainer 66, the haulage chain 71 that connecting pin 65 by separately is connected with 74, as shown in figure 26, about separately in the form of a ring hanger sprocket wheel 72 and with sprocket wheel 72 sprocket wheels 73 with the footpath on, sprocket wheel 72 is arranged on the sidewall of the left and right sides of forebay 1 of filter press, and sprocket wheel 73 is arranged on the sidewall of the left and right sides of afer bay 2 of filter press.In the parallel movable part of the haulage chain 71 of this ring-type, the moving part of downside connects on the fore moving head 5, and the moving part of upside is connected on the removable retainer 66.The sprocket wheel 72 that is provided with on 71 pairs of forebaies 1 of left and right sides haulage chain connects mutually in linkage.

Be provided with prime mover 75 of the energy rotating that is used for the filter plate switch on the forebay 1.This prime mover 75 is connected with sprocket wheel 72 by drive chain 76.

By this prime mover 75 is driven, by drive chain 76, make 72 rotations of left and right sides sprocket wheel, haulage chain 71 just moves.At this moment, the moving head 5 of the front portion that is connected with haulage chain 71 and removable retainer 66 just simultaneously to close mutually direction or away from direction move.

When making filter plate 4 close plate, anterior moving head 5 and removable retainer 66 are moved to mutual close direction.Like this, utilize the moving head 6 at the rear portion that is connected with removable retainer 66 with anterior moving head 5, upwards clamp filter plate arranged side by side 4 from front and back and the pass plate.

On the other hand, when making filter plate 4 open plate, make anterior moving head 5 and removable retainer 66 to mutually away from direction move.Like this, just make mobile chain 8 tensionings that two ends are connected with them.As previously mentioned, because all this mobile chains 8 of filter plate 4 usefulness interconnect, therefore, along with the moving head 5 and the removable retainer 66 of front portion moves, mobile chain 8 is just upheld successively since an end, is in the filter plate 4 that closes board status and just begins to open successively plate from the filter plate 4 of the front and back end that is positioned at these row.

Use haulage chain 71 in order to make filter plate 4 switches, therefore can shorten the stroke that clamps cylinder.With the situation of existing filter press without haulage chain 71 relatively, clamp cylinder and shortened at least the unnecessary stroke part of filter plate switch motion.Even the number of filter plate 4 increases again, the stroke that clamps cylinder does not change yet, and just prolongs the haulage chain 71 of the switch stroke part of the filter plate of setting up 4, therefore realizes the maximization of filter press easily.

In addition, utilize haulage chain 71 therefore, to compare with the filter press that clamps switching cylinder with existing from front and back while switch filter plate 4 arranged side by side, the needed time of filter plate switch has approximately shortened half.

The locking device of anterior moving head 5, as shown in figure 27, by constituting: the both ends, the left and right sides of the front of fore moving head 5, the lock 79 of the square rod shape that hangs down of freely swinging of pivot supporting on the support 78 on two shoulders of the fore moving head 5 of support as lower device; The forward, central part of fore moving head 5 is in order to be on state piston rod 80 and vertically disposed lock-switch cylinder 77; The adjusting lever 81 of the bottom of lock 79 etc. about respectively the point of the piston rod 80 of lock-switch cylinder 77 being connected to.Each adjusting lever 81 its two ends have pivotally connected piston rod 80 at lock-switch cylinder 77 point and about connector 82 on the bottom of lock 79, the turnbuckle 83 that has the length that is used to regulate adjusting lever 81 at adjusting lever 81 pars intermedias.

In the medial surface of the left and right sides rail 3 of the moving head 5 of support front portion, on the position before the stop position of the moving head 5 of the front portion when making filter plate 4 be in flat board, about be provided with 2 sections rail piece 84 up and down respectively.In order to make anterior moving head 5 on rail 3, not be subjected to the interference of these rail pieces 84 when mobile, on the sidewall of the left and right sides of fore moving head 5, on the position corresponding, form notch part 5b with the rail piece.In addition, on the upper-lower position of these notch parts 5b, form from the outstanding to the left and right 5a of support sector of sidewall.

When piston rod 80 elongation of lock-switch cylinder 77, lock 79 just towards the middle part pendulum of the moving head 5 of front portion, is kept out of the way on the retreating position, promptly keeps out of the way lock 79 and does not overlap with breach 5b, is not subjected on the position of rail piece 84 interference.When piston rod 80 shrank, lock 79 was just towards outer side-sway, on the lock position that hangs down, promptly locked 79 and overlapped with 5a of support sector and breach 5b, was subjected on the position of rail piece 84 interference.

When making filter plate 4 close plate, anterior moving head 5 retreats in the moving process on rail 3, makes piston rod 80 elongations of lock-switch cylinder 77, keep lock 79 at the retreating position state by rail piece 84.Anterior moving head 5 shrinks the piston rod 80 of lock-switch cylinder 77 after stopping on position as shown in figure 28, makes lock 79 move to lock position.Like this, because between the 5a of support sector of the rail piece 84 that lock 79 is inserted into rail 3 and anterior moving head 5, therefore the moving head 5 of front portion just can not advance.

On removable retainer 66, also be provided with the locking device same with anterior moving head 5.

The locking device of removable retainer 66, as shown in figure 29, by constituting: the lock 87 of the both ends, the left and right sides in the back of removable retainer 66, the support square rod shape that hangs down of freely swinging of pivot supporting on the support 86 on two shoulders of removable retainer 66 as lower device; At the middle part, back of removable retainer 66, be the state of making progress and vertically disposed lock-switch cylinder 85 in order to make piston rod 88; The adjusting lever 89 of the bottom of lock 87 etc. about respectively the point of the piston rod 88 of lock-switch cylinder 85 being connected to.Each adjusting lever 89 its two ends have pivotally connected piston rod 88 at lock-switch cylinder 85 point and about connector 90 on the bottom of lock 87, have the turnbuckle 91 that is used to regulate adjusting lever 89 length at adjusting lever 89 pars intermedias.

In the medial surface of the left and right sides rail 3 of the removable retainer 66 of support, on the position before the stop position of the removable retainer 66 when making filter plate 4 be in flat board, about be provided with 2 sections rail piece 92 up and down respectively.In order to make removable retainer 66 on rail 3, not be subjected to the interference of these rail pieces 92 when mobile, on the sidewall of the left and right sides of removable retainer 66, on the position corresponding, form notch part 66b with the rail piece.In addition, on the upper-lower position of these notch parts 66b, form from the outstanding to the left and right 66a of support sector of sidewall.

When the piston rod 88 of lock-switch cylinder 85 extended, lock 87 just towards the middle part pendulum of removable retainer 66, was kept out of the way on the retreating position, promptly keeps out of the way lock 87 and does not overlap with breach 66b, is not subjected on the position of rail piece 92 interference.When piston rod 88 shrank, lock 87 was just towards outer side-sway, on the lock position that hangs down, promptly locked 87 and overlapped with 66a of support sector and breach 66b, was subjected on the position of rail piece 92 interference.

When making filter plate 4 close plate, removable retainer 66 retreats in the moving process on rail 3, makes piston rod 88 elongations of lock-switch cylinder 85, keeps lock 87 to pass through rail piece 92 at the retreating position state.After removable retainer 66 stops on position as shown in figure 28, the piston rod 88 of lock-switch cylinder 85 is shunk, make lock 87 move to lock position.Therefore, because between the 66a of support sector of the rail piece 92 that lock 87 is inserted into rail 3 and removable retainer 66, so removable retainer 66 just can not advance.

The feed pipe 93 that is provided with on the top of the moving head 5 of front portion shown in Figure 27 as shown in Figure 1, is supplied with flexible pipe 96 by stoste and is connected on the stoste supply pipe 95 that sets along rail 3.

Being pressed into stoste from this stoste supply pipe 95 before the filter chamber 59, as mentioned above, haulage chain 71 is moved, anterior moving head 5 and removable retainer 66 retreated respectively and advance, make filter plate 4 close plates after, compress operation with regard to the brute force of carrying out filter plate 4.

This brute force compresses operation utilization is clamped on the rail piece 84 and 92 of rail 3 the anterior moving head 5 and the lock 79 and 87 of removable retainer 66 respectively, make anterior moving head 5 and removable retainer 66 be in the state that can not move forward and backward respectively, come in to carry out make the moving head 6 at rear portion by the piston 68 of the clamping cylinder 67 of removable retainer 66 before.

Because anterior moving head 5 and removable retainer 66 are clamped on the rail piece 84 and 92 of rail 3 by locking device separately, therefore in the time will being pressed into the former fluid dewatering of filter chamber, also can keep strong clamped condition.In addition, because the employing of this locking device, just can utilize another actuator to be used to close the moving head 5 of front portion of plate and the brute force that reaches filter plate 4 that moves of removable retainer 66 compresses operation.Thereby, shortened the stroke that clamps high pressure clamping devices such as cylinder, reduced cost.

Filter plate 4 is closed after plates and brute force compress operation, be pressed into stoste from the feed pipe 93 of the moving head 5 of front portion.At this moment, feed pipe 93 is communicated with owing to supply with road 57 with the stoste that the stoste of the filter plate 4 that is interconnected is supplied with road 9 and feed flow plate 56, therefore as shown in figure 21, bulged-in stoste is distributed the filter chamber 59 that supplies in 4 formation of each filter plate by the feed flow road 58 of each feed flow plate 56.The stoste that supplies to each filter chamber 59 is carried out Separation of Solid and Liquid by filter cloth 50 then.

Filtrate flows down by the filter bed 4b of filter plate shown in Figure 34, is discharged to communicating pipe portion 11 from field trash separator 18 by osculum 10, is extracted to outside the machine by draining road 12.

On the lamina membranacea 20 in the filter press of filter plate 4 mutually arranged side by side and lamina membranacea 20, filtrate flows down by the filter bed 28b of diaphragm shown in Figure 10 28, and 33 are discharged to communicating pipe portion 24 by osculum 23 from the Drainage Division, are extracted to outside the machine by draining road 12.

On lamina membranacea 20, from the water supply road 35 of the pressurized water tubes portion 26 of central layer 21,, supply with the back side of pressure (hydraulic) water to diaphragm 28 by water supply hole 25, diaphragm 28 is expanded, further extruding filter chamber's 59 interior dehydrations of crossing with filter cloth 50 Separation of Solid and Liquid are lumpd.In addition, the filtrate of this moment also flows down the filter bed 28b of diaphragm 28, and 33 are discharged to communicating pipe portion 24 draining road 12 from the Drainage Division.

Afterwards, utilize,, supply with the back side of Compressed Gas, outside machine, extrude the pressure (hydraulic) water in the water supply road 35 of the back side of diaphragm 28 and pressurized water tubes portion 26 to diaphragm 28 by air vent 27b from the air feed road 27a of the support handle 27 of central layer 21.

Then, as shown in figure 25, utilization is sent into compressed air from compressed air gas blow pipe 96, residual stoste just is discharged to outside the machine in the stoste supply road 9 and 57, compressed air gas blow pipe 96 is arranged on the top of the moving head 6 at rear portion, supply with road 57 with the stoste that the stoste of filter plate 4 after closing plate is supplied with road 9 and feed flow plate 56 and be communicated with, be used to supply with compressed air.A compressed-air actuated part of sending to distributes supply to give each filter chamber 59 by the feed flow road 58 of each feed flow plate 56.Like this, the residual moisture of the dehydration caking in each filter chamber 59 just is expressed into outside the filter cloth 50, and it is further dehydrated to lump.

After above-mentioned filtering means dehydration operation finished, clamping cylinder 67 work of removable retainer 66 retreated the moving head 6 at rear portion, remove the clamped condition of filter plate 4.

After clamp removing,, anterior moving head 5 and removable retainer 66 are retreated respectively and advance in case haulage chain 71 is moved, promptly, make them after mutually close direction moves, just make each lock-switch cylinder 77 and 85 elongations, lock 79 and 87 is moved on the retreating position from lock position.Afterwards, haulage chain 71 is moved, the anterior moving head 6 and the moving head 6 at rear portion are moved forward and backward respectively, make filter plate 4 open plate.

Make before lock 79 and 87 moves to retreating position from lock position, in a single day utilization makes anterior moving head 5 and removable retainer 66 retreat respectively and advances, just can alleviate or remove between lock 79 and the rail piece 84 and lock 87 and rail piece 92 between contact pressure, just can reduce to lock 79 and 87 moving resistance, therefore can make the capacity of each lock-switch cylinder 77 and 85 less.

After making filter plate 4 open plate, filter cloth driving machine 62 work shown in Figure 1 make sliding axle 44 rotations.Like this, 39 rotations of the filter cloth driving shaft that is connected with sliding axle 44, the sprocket wheel 40 by being fixed on filter cloth driving shaft 39 two ends and enclose the drive chain 52 that hangs on this sprocket wheel 40, a pair of filter cloth 50 shown in Figure 21 just 4 of the filter plates after opening plate is fallen.At this moment, in the filter chamber the 59 dehydrations cakings that form just and filter plate 50 fall 4 of filter plates simultaneously, when filter cloth 50 rolled bar 46 reversings in revolution separately, dehydration was lumpd and is just peeled off from filter cloth 50.

After caking was peeled off, the side in a pair of filter cloth 50 of the filter chamber 52 that filter cloth 50 is adjacent with a row formation was by drive chain 52 pull-ups simultaneously, in 4 risings of filter plate.At this moment, the coincidence because the filtering surface of stoste one side of filter cloth 50 faces each other, so the remaining caking that filter plate 4 just can not paid on the filter cloth 50 pollutes.

Owing to all filter clothes 50 of 4 of filter plates arranged side by side are moved simultaneously, automatically discharge the caking of 50 of filter clothes, so shortened the needed time of caking discharging operation.

At filter cloth 50 when bar 46 reversing is rolled in revolution, from the filtering surface jet cleaning water of scavenge pipe 47 to stoste one side of filter cloth 50.Like this, just can remove the cloth hole plug of filter cloth 50.At this moment, roll bar 46 jet cleaning water from nozzle 48 to revolution.Like this, just can rinse out revolution and roll the mud of paying on the bar 46.

Like this, do not unload filter cloth 50 and just can clean, therefore, do not reduce filter efficiency and can realize the continuous running of filter press from filter plate 4.

Figure 30 is illustrated in the another one embodiment that bar 46 is rolled in revolution that the below of filter plate 4 sets.Among this embodiment, roll the excellent heater 97 of the inside insertion of bar 46 as heater in revolution.The both ends of rolling bar 46 in revolution are connecting the connector 98 that is connected with this rod heater 97, by this connector 98 excellent heater 97 are connected with feed cable 99.Feed cable 99 is connected across the revolution of adjacent filter plate 4 and rolls between the bar 46, and the excellent heater 97 of bar 46 is rolled in the filter plate arranged side by side 4 all revolutions that are connected in series.

In the filter press of the high stoste of viscosity such as handling oil lipid, if revolution is rolled more than the fusing point that bar 46 is heated to the solid that contains in the handled stoste, just can melt revolution and roll the solid of paying on the bar 46, just can prevent to turn round the filtrate of rolling on the bar 46 and solidify.Like this, owing to keep revolution to roll the roundness of bar 46, therefore just can prevent that fold and breakage from appearring in filter cloth 50 because of crawling.In addition, owing to can also fuse the solid of paying on the filter cloth 50, therefore can remove the cloth hole plug of filter cloth 50.

The mobile failure detector of filter cloth comprises shown in Figure 31 and 32: the light projector 100 that is provided in afer bay 2 upper ends; Be provided in the optical receivers such as photoelectric tube 101 of the reception of forebay 1 upper end from the throw light of light projector 100 irradiations; The detection control stick 102 that constitutes in order when filter cloth 50 is fallen, to block throw light etc.

Shown in figure 32, detecting control stick 102 can be supported on the holder seat 103 that is provided with on filter plate 4 shoulders with freely swinging.At the base end part that detects control stick 102, be provided with and insert the 102a of short tube portion that the flat board 103 that assembles on 103 ends is sat in logical holder.In the side of the 102a of short tube portion, when vertically erecting detection control stick 102, become on the position of lower end, the elongated slit 102b wideer and narrower than the width of dull and stereotyped 103a than the thickness of dull and stereotyped 103a is set.When installation and measuring control stick 102 is sat on 103 in holder, vertically erecting under the state that detects control stick 102, in elongated slit 102b,, make and detect control stick 102 rotation around the central shaft of the 102a of short tube portion by after the dull and stereotyped 103a.Because the width of elongated slit 102b is narrower than the width of dull and stereotyped 103a, become plumbness unless therefore detect control stick 102, otherwise the 102a of short tube portion does not come off from dull and stereotyped 103a.Sit 103 dismountings when detecting control sticks 102 from holder, make detect control stick 102 and rotate to the upright position after, make dull and stereotyped 103a just can pull out detection control stick 102 upward by elongated slit.

Assembled the elevating lever 104 that pole is bent to reverse U shape at the middle part of detecting control stick 102.Be provided with metal-cored docking section 104a of filter cloth that docks with the top filter cloth metal-cored 51 of filter cloth 50 and the filter plate docking section 104b that docks with the apex 4e of filter plate 4 respectively in two lower ends of elevating lever 104.

Filter cloth 50 is when upper limit position, and the metal-cored docking section 104a of filter cloth docks with top filter cloth metal-cored 51, keeps detecting control stick 102 at upper limit position.Filter cloth one descends, and keeps the metal-cored docking section 104a of filter cloth to dock with top filter cloth metal-cored 51 Yi Bian detect control stick 102, Yi Bian because of deadweight inclination rotation.Soon, filter plate docking section 104b just docks with the apex 4e of filter plate 4, and the inclination rotation that detects control stick 102 stops, and after this, even filter cloth 50 continues to descend, detects control stick 102 and all remains on the lower position.After caking was discharged, filter cloth 50 1 rose, and the metal-cored docking section 104a of filter cloth just dock with the bottom filter cloth metal-cored 51 of the filter cloth 50 that comes of rising again, made detection control stick 102 rise to upper limit position from the lower position.

In addition, elevating lever 104 strides across the top of filter cloth driving shaft 39, as above-mentioned, according to the lifting of filter cloth 50, detect control stick 102 and swings between upper limit position and lower position, is not subjected to the interference of filter cloth driving shaft 39 simultaneously.In addition, elevating lever 104 is not disturbed by filter cloth driving shaft 39 yet when detecting control stick 102 owing to vertically erect, and therefore can load and unload detection control stick 102 at an easy rate when the replacing of filter cloth 50/maintenance.

Assembled the barricade 105 that is used to block from the throw light of light projector 100 irradiations at the point that detects control stick 102.

The setting of barricade 105, make detect control stick 102 be positioned at assigned position below the time just block throw light, just do not block throw light in the time of up.

Lump after the discharge, if all filter clothes 50 and detection control stick 102 all normally turn back to upper limit position, the throw light that shines from light projector 100 blocks with regard to not conductively-closed plate 105, and is injected into optical receiver 101.

According to which kind of fault takes place, at least one filter cloth 50 do not risen, when detection control stick 102 was positioned at the below of assigned position, the throw light that shines from light projector 100 blocked with regard to conductively-closed plate 105, is not injected into optical receiver 101.Like this, owing to before filter plate 4 closes plates, just can detect the generation of the mobile fault of filter cloth 50, so can prevent from top filter cloth metal-cored 51 or bottom filter cloth metal-cored 54 are sandwiched the generation of accidents such as 4 of filter plates in advance.

As shown in Figure 1, below filter plate arranged side by side 4, set dripping dish 106 and make and dripping the cleaning sink 107 that is directed to after cleaning drainings that dish 106 receives flow into outside the machine of the cleaning draining that receives filter cloth 50.

As shown in figure 33, dripping dish 106 drips dish 106a and a left side by the right side and drips a dish 106b and constitute.

About drip dish switching manipulation realize by the switch ring mechanism that comprises crank 110 and 111, turnbuckle 112, adjusting lever 113 and 114, dish switch cylinder 116, piston 117 etc.

Right drip dish 106a and be bearing in forebay 1 and be connected with bolster 108 on the afer bay 2.Dish 106b is dripped on a left side, and also to drip dish the same with the right side, and is bearing in forebay 1 and is connected with bolster 109 on the afer bay 2.

Fixing on the bolster 108 upward and the crank 110 that in the width of filter press, extends from bolster 108.Fixing on the bolster 109 from bolster 109 upward and to the outward extending crank 111 in the wide degree side of filter press.On these cranks 110 and 111, be pivotally connected to left and right sides adjusting lever 113 and 114 with turnbuckle 112 with freely swinging.

About drip dish 106a and 106b when being in closed condition, pivotally connected some 108a of the right crank 110 that drips dish 106a and adjusting lever 113 is positioned at the top of bolster 108 and in the position of width, and the crank 111 that dish 106b is dripped on a left side is positioned at the top of bolster 109 and the position outside width with pivotally connected some 109a of adjusting lever 114.In addition, crank 111 is shorter than crank 110.That is, the distance between bolster 109 and the pivotally connected some 109a is shorter than the distance between bolster 108 and the pivotally connected some 108a.

The middle part of dripping the crank 110 of dish 106a on the right side is pivotally connected to the piston 117 of dish switch cylinder 116.Dish switch cylinder 116 hangs down on the platform 115 that is arranged on forebay 1 and the afer bay 2 with freely swinging.

When making 116 elongations of dish switch cylinder drip the opening operation of dish 106, during beginning, shown in Figure 34 A, a dish 106a and a left side dish 106b rotation of the clockwise direction in figure are together dripped in the right side.Like this, the right point that drips the filter press width inboard of dish 106a just descends, and the point that dish 106b is dripped on a left side just rises.

Afterwards, the 116 further elongations of dish switch cylinder, when pivotally connected some 108a descended above the straight line line that connects bolster 108 and pivotally connected some 109a, just shown in Figure 34 B, a left side dish 106b reversed, and begins the counter clockwise direction rotation in figure.The right clockwise direction of dish 106a continuation in figure that drip rotates.Like this, the point that dish 106b is dripped on a left side begins to descend, but right point rotation of dripping dish 106a this moment is kept out of the way and do not disturbed a left side to drip on the corner positions of point of dish 106b.

In addition, when making 116 elongations of dish switch cylinder, dish 106a is dripped on the right side and a left side dish 106b just continues respectively counterclockwise to rotate clockwise and among the figure in figure.Because the distance between bolster 109 and pivotally connected some 109a is shorter with the distance between pivotally connected some 108a than bolster 108, therefore a left side is dripped dish 106b and is dripped than the right side and coil 106a and rotate soon.

When dish switch cylinder 116 arrival strokes are terminal, just shown in Figure 34 c, become the right dish 106a that drips and drip dish 106b by the state of opening with angle with a left side, prepare the discharge of luming.

After caking is discharged, when operate the pass that compact disk switch cylinder 116 drips dish 106, carry out and above-mentioned opposite operation.

In addition, as shown in figure 33, the point that drips the filter press width inboard of dish 106a on the right side has assembled the tailgate 106c of point upward bending.

On the other hand, the point that drips the filter press width inboard of dish 106b on a left side has assembled tailgate 106d, and this tailgate 106d is bent to form, so that when dripping the dish closed condition, tailgate 106d covers the right tailgate 106c that drips dish 106a, and its tip is in the most advanced and sophisticated low position than tailgate 106c.

Utilize above-mentioned switch ring mechanism, drip the dish 106 relative corner positions that staggers on one side make when switch, the tailgate 106c and the 106d balance cooperation without interfering with each other mutually at dish 106a and 106b tip are dripped in rotation on one side about therefore.

Filtration operation as the filter press of the embodiment of the invention that constitutes as mentioned above comprises following content.

(1) closes plate

Use the filter cloth that constitutes by light projector 100 and optical receiver 101 etc. to move failure detector and confirm that the filter press filter cloth of establishing 50 of hanging oneself is positioned at after the assigned position, driving is used to make prime mover 75 of filter plate switch, makes with the haulage chain 71 of its ring-type that is connected in linkage to move.The moving head 5 of the front portion that is connected with haulage chain 71 and removable retainer 66 moves to close direction mutually on one side, from front and back clamp the arranged side by side filter plate 4 of opening plate on one side.Anterior moving head 5 and removable retainer 66 move to assigned position, after detection filter plate 4 has closed plate, stop prime mover 75.

(2) locking

Make the lock-switch cylinder 77 and 85 work of anterior moving head 5 and removable retainer 66, lock 79 and 87 is clamped on the rail piece 84 and 92 of rail 3.Like this, Qian Bu moving head 5 and removable retainer 66 just can not retreat respectively and advance.

(3) clamp

With the clamping cylinder 67 that is assemblied on the removable retainer 66 moving head 6 at rear portion is advanced, further the filter plate arranged side by side 4 of plate has been closed in clamping.

(4) be pressed into

In the filter chamber 59 that is formed by a pair of filter plate 4 and filter cloth 50, the stoste by filter plate 4 is supplied with road 9, is pressed into stoste from the feed flow road 58 of feed flow plate 56 to the filter chamber 59 of 50 of filter clothes.

(5) filter

The stoste that is pressed into to filter chamber 59 is subjected to liquor charging pressure, filters by filter cloth 50, is separated into caking that is trapped in 50 of filter clothes and the filtrate of discharging outside machine.The filter bed 4b of filtrate by filter plate 4 flow into after the communicating pipe portion 11, and the draining road 12 that forms by the communicating pipe portion 11 with filter plate arranged side by side 4 is discharged to outside the machine.

(6) extruding

Make in filter plate 4 and lamina membranacea 20 filter press arranged side by side mutually, supply with pressure (hydraulic) water, make diaphragm 28 expand residual caking in the extrusion dehydration filter chamber 59 to diaphragm 28 and 21 of central layers.Caking after the extruding is stayed in the filter chamber 59, and filtrate is discharged to outside the machine.

(7) raffinate returns

After the extruding, pressure (hydraulic) water and compressed air are delivered in the stoste supply road 9 and 57 of filter plate 4 and feed flow plate 56, the stoste that remains in the stoste supply road 9 and 57 is discharged outside machine forcibly.

(8) draining

In filter press,, diaphragm 28 is expanded, thereby the pressure (hydraulic) water of supplying with is forcibly discharged outside machine for compressed air being delivered to 21 of diaphragm 28 and central layers with lamina membranacea 20.

(9) be blown into compressed air

In addition, the stoste that compressed air is blown into filter plate 4 and feed flow plate 56 is supplied with in the road 9 and 57, the back side, the stoste of the filter bed 4b of the back side of filter cloth 50, filter plate 4 is supplied with in road 9 and 57 etc. remaining filtrate and water discharge outside machine forcibly.

(10) open a dish

Make 116 work of dish switch cylinder, open and drip dish 106.

(11) releasing of filter plate clamping

Make clamping cylinder 67 work that are assemblied on the removable retainer 66, the moving head 6 at rear portion is retreated.

(12) lock is removed

After clamping releasing,, anterior moving head 5 and removable retainer 66 are moved to their mutual close directions in case prime mover 75 is driven.

Make 77 work of lock-switch cylinder, the anterior moving head 5 and the lock 79 and 87 of removable retainer 66 are kept out of the way from the rail piece 84 and 92 of rail 3 respectively, just can realize the plate of opening of filter plate 4.

(13) open plate

Prime mover 75 that use is used for the filter plate switch moves the haulage chain 71 of ring-type, anterior moving head 5 and removable retainer 66 is moved forward and backward, thereby make filter plate 4 open plate.

(14) caking is discharged

Make filter cloth driving machine 62 work, the filter cloth 50 that filter plate 4 is hung oneself establish moves simultaneously, discharges the caking of 50 remainders of filter cloth.

(15) close a dish

Make 116 work of dish switch cylinder, close and drip dish 106.

(16) filter cloth cleans

On one side filter cloth 50 is moved, on one side scavenge pipe 47 and nozzle 48 jet cleaning water from being arranged on each filter plate 4 below, clean filter cloth 50 and enclose the revolution of hanging filter cloth 50 and roll bar 46.

In the foregoing description, many filter plates 4 arranged side by side on the rail 3 on support mmi machine frame 1 and the afer bay 2, on the filter bed 4b of front and back filter plate 4, open and establish a pair of filter cloth 50, form filter chamber 59, but connect these filter plates 4 and become in the filter press of free switch with mobile chain 8, hang oneself at the filter bed 4b of filter plate 4 and to establish a pair of rectangular filter cloth 50, in the fixed part of the ora terminalis 50a on it of fixedly ining succession at the top filter cloth metal-cored 51 of 4 free liftings of filter plate, the following ora terminalis 50b of filter cloth 50 is fixed on the fixed part of a pair of bottom of 4 free liftings of filter plate filter cloth metal-cored 54, the through hole 55 of stoste is set on the assigned position near top filter cloth metal-cored 51.

According to this structure, assembling feed flow plate 56 in the former fluid through-hole 55 of filter cloth 50, if rising wood and lower edge assembling top filter cloth metal-cored 51 and bottom filter cloth metal-cored 54 at filter cloth 50, filter cloth 50 just can move, when the caking that generates in filter chamber 59 is discharged, as long as it is just passable to make filter cloth 50 move to the below, caking is discharged the needed time and is also just become very short.

In addition, in the present embodiment, feed flow plate 56 is fixed on filter plate 4 hangs oneself on a pair of filter cloth of establishing 50, can be when filter cloth 50 cooperates the recess 4c of these feed flow plates 56 in formation on the filter plate 4, under the state of closing front and back filter plate 4, the stoste that makes the stoste of filter plate 4 supply with road 9 and feed flow plate 56 is supplied with road 57 and is communicated with, and just constitutes from being arranged on feed flow road 58 on the feed flow plate 56 to supply with the loop of stostes to the filter chamber 59 of 50 of filter clothes.

According to this structure, under the state that clamps filter plate 4 arranged side by side, can supply with road 9 from the stoste of filter plate 4 and supply with stoste to 50 of a pair of filter clothes, the filter cloth 50 that is used in the last filter chamber 59 that forms of filter bed 4b of filter plate 4 carries out Separation of Solid and Liquid.

Can under the state of opened filter plate 4 arranged side by side, the caking that generates in the filter chamber 59 be peeled off from filter cloth 50.

In addition, in the present embodiment, with the filter bed 4b of above-mentioned filter plate 4 hang oneself the rising wood of a pair of filter cloth 50 established be fixed on the top filter cloth metal-cored on, the drive chain 52 that will be connected with metal-cored 51 two ends of this top filter cloth, enclose when hanging on the sprocket wheel 40 that is arranged on filter plate 4 tops, with filter cloth 50 bottoms enclose respectively a pair of revolution that hangs over and be provided in filter plate 4 belows roll the close direction of bar 46 away from direction on after refill and be fitted on the bottom filter cloth metal-cored 54, will can be connected on the drive chain 52 with the bottom filter cloth metal-cored 54 of the filter cloth 50 of metal-cored 54 adjacency of this bottom filter cloth with freely loading and unloading.

According to this structure, if filter cloth 50 is moved downwards, the discharging operation that can automatically lump just.Contact with each other owing to peel off between the filtering surface of filter cloth 50 and the filter cloth 50 of adjacency of reversing that caking back is rolled bar 46 guiding by revolution, so the remaining caking of paying on the filter cloth 50 is not being paid make it pollution on filter plate 4.

In addition, in the present embodiment, above-mentioned filter cloth drive unit is made of following apparatus: crossbearer is on the top of filter plate 4, at the filter cloth driving shaft 39 of the fixing input of axle head helical gear 42; Always keep the output helical gear 43 of engagement with this input helical gear 42; On support mmi machine frame 1 and the afer bay 2, can not rotate but can be engaged in the sliding axle 44 of output on the helical gear 43 with being free to slide; Be positioned on the forebay 1 the filter cloth driving machine 62 that is connected in linkage with sliding axle 44.

According to this structure, as long as drive the filter cloth driving shaft 39 needed amounts that are connected with a pair of sliding axle 44 back and forth, the filter cloth 50 that filter plate arranged side by side is 4 moves simultaneously, just the caking of 50 generations of filter cloth can be discharged to the below of filter plate 4.The discharging operation of caking can carry out simply, and the time that needs just shortens.

In addition, in the present embodiment, to be fixed on the drive chain 52 that above-mentioned top filter cloth metal-cored 51 is connected on the fastening bolt 53, this fastening bolt 53 cooperated be tightened among the groove 60a that is arranged on the horizontal part that forms L shaped clamp 60, bottom filter cloth metal-cored 54 at the filter cloth 50 of the front and back of filter plate 4 adjacency is clamped on respectively among a pair of maintaining part 60c on the vertical component effect that is arranged on clamp 60.

According to this structure, to in the groove 60a of clamp 60, cooperate the filter cloth 50 of tightening fastening bolt 53 to be hung in 4 of filter plates, if from a side of filter plate arranged side by side 4 bottom filter cloth metal-cored 54 is clamped on the maintaining part 60c of clamp 60, just can simply filter cloth 50 be hung and be located at 4 of filter plates.

In addition, in the present embodiment, on the guard bearing 45 that hangs down in the bottom, both sides of above-mentioned filter plate 4, bar 46 and scavenge pipe 47 are rolled in a pair of revolution of support respectively, enclose hang over the revolution roll the filter cloth 50 on the bar 46 inverted position below set scavenge pipe 47, on near the guard bearing 45 the back side of the filter cloth 50 that reverses, roll bar 46 towards revolution nozzle 48 is set.

According to this structure, do not unload filter cloth 50 from filter plate 4, Yi Bian and filter cloth 50 is moved, Yi Bian clean, just can not reduce filter efficiency and realize continuous running.

In addition, in the present embodiment, roll in the bar 46 enclosing the revolution of having hung above-mentioned filter cloth 50, set heater 97.

According to this structure, for sticking stoste, as long as be heated to more than the fusing point of isolated solid, just can prevent the cloth hole plug of filter cloth 50, do not paying yet and rolling on the bar 46, and keeping revolution to roll the roundness of bar 46, can prevent that filter cloth 50 from making filter cloth 50 wrinkling and damaged because of crawling in revolution.

In addition, in the present embodiment, on the sealing surface 4a of above-mentioned filter plate 4, in establish the osculum 10 that is communicated with filter bed 4b, this osculum 10 from prominent communicating pipe portion's 11 upper sheds of establishing of the sidewall of sealing surface 4a, is formed for the draining road 12 of filtrate discharge with the communicating pipe portion 11 of the many filter plates 4 that close plate.

According to this structure, abolish the filtrate drain hose that hinders filter plate 4 switches, the part number of packages is reduced, safeguard also to become easy.

In addition, in the present embodiment, constitute above-mentioned filter plate 4 with the synthetic resin material, with clamping unshakable in one's determination 16 section be the shoulder that the reinforcement iron 15 of コ font is pressed into filter plate 4, clamp the front and back sidewall of strengthening iron 15, be fixed on the filter plate 4 the head gear-bearing 36 of filter cloth driving shaft 39 of simultaneously on iron core 16, having fixed support with 15 clampings of reinforcement iron.

According to this structure, even generation is because of the long alternate load of filter cloth driving shaft on the filter plate 4, the coupling part of strengthening iron 15 is also lax, and enough reinforcement iron 15 of energy and iron core 16 are kept the rigidity of filter plate 4.

On the one hand effectively utilize light weight and the chemical resistance that belongs to the synthetic resin characteristic, and on intensity no less than metal filter plate 4, thereby make the weight saving of filter plate 4, can realize the maximization of filter press.

In addition, in the present embodiment, lower edge at the filter plate 4 of above-mentioned synthetic resin material is being fixed the field trash separator 18 that is provided with a plurality of via hole 18b, the via hole 18b that makes field trash separator 18 with in be located at the filter bed 4b of filter plate 4 and the osculum 10 in the sealing surface 4a is communicated with.In the face of communicating pipe of the osculum 10 of above-mentioned filter plate 4 on inner peripheral surface of 11, pasting the liner 19 of wearability.

According to this structure, owing to be provided with field trash separator 18,,, just can carry out the protection of filter plate 4 as long as change the field trash separator 18 that has worn and torn even therefore sneak into the particulate of inanimate matter in the filtrate in the discharge portion of filter plate 4 filter bed 4b easy to wear.

Even flow into the particulate of inanimate matter etc. in the filtrate, also can prevent communicating pipe portion's wearing and tearing of 11 of filter plate 4.

In addition, in the present embodiment, with one in the above-mentioned front and back filter plate 4 arranged side by side, be used in and open the lamina membranacea 20 of having established diaphragm 28 on the central layer 21 of synthetic resin material and constitute, a plurality of rhone 33a that make the lower edge that is arranged on diaphragm 28 with in be located at the interior osculum 23 of the fitting surface 21a of the filter bed 28b of diaphragm 28 and central layer 21 and be communicated with.

In addition, in the fitting surface 21a of above-mentioned central layer 21, insert the rectangle inserts 30 that both ends are provided with screwed hole, be tightened on the inserts 30 with the periphery 28a of the diaphragm of installing on the two sides of clamping screw 31 with central layer 21 28,28.

According to this structure, can alleviate the weight of lamina membranacea 20, can realize the maximization of filter press, also can be used for the special waste liquid of chemical treatment etc.

When diaphragm 28 is expanded, because clamping screw 31 pulls mutually, diaphragm 28 can be securely fixed on the central layer 21, and clamping screw 31 is tightened on the inserts 30 from the tow sides of diaphragm 28, therefore, will not squeeze into securely or be cast in the central layer 21 by inserts 30, just can realize from the structure aspect making at an easy rate.

In addition, in the present embodiment, set anterior moving head 5 and removable retainer 66 at the both ends of above-mentioned filter plate 4 arranged side by side, to be located at 71 of the ring-type haulage chains that prime mover 75 is connected in linkage on forebay 1 and the afer bay 2, on the movable part that moves round about of this haulage chain 71, fixing anterior moving head 5 and removable retainer 66, making filter plate arranged side by side 4 from both sides while switch.

According to this structure, can omit the existing clamping cylinder that is used for switch, just can carry out the switch of filter plate arranged side by side 4 with half time that needs.Compare with the filter press that clamps cylinder with existing, can shorten the length of the filter press of the stroke part that clamps cylinder.Even increase filter plate 4, as long as the switch stroke part that only prolongs filter plate 4 just can realize the maximization of filter press.

In addition, in the present embodiment, on the moving head 5 and removable retainer 66 of above-mentioned front portion, be separately positioned on its vertically disposed lock-switch cylinder 77,85 in middle part, with the pivotally connected a pair of lock 79,87 in ground that freely swings at its both ends, connect lock-switch cylinder 77,85 and lock 79,87 with adjusting lever 81,89, lock 79,87 is freely rotated, on rail 3, set simultaneously rail piece 84,92, its on the turned position of the lock 79,87 of the moving head 5 of the front portion of closing plate and removable retainer 66 to establishing.

In addition, between the filter plate 4 of above-mentioned removable retainer 66 and rear end arranged side by side, set the moving head 6 at rear portion, with clamping the moving head 6 that cylinder 67 connects removable retainers 66 and rear portion.

According to this structure, be pressed into stoste to filter chamber 59, perhaps, after the caking that generates with diaphragm 28 high-pressure extrusion, can keep and can not retreat.Because many filter plates 4 that can not retreat tightening further carry out the operation that brute force compresses, therefore with diaphragm 28 high-pressure extrusion the time, can keep powerful clamped condition.In addition, owing to can shorten the stroke of high pressure clamping device, therefore can reduce cost.

In addition, in the present embodiment, on above-mentioned forebay 1 and afer bay 2, set optical receiver 101 and light projector 100, can be pivotally connected to the base end part that detects control stick 102 on the top of filter plate 4 with freely loading and unloading, the elevating lever 104 that will be connected with detection control stick 102 docks with top filter cloth metal-cored 51 simultaneously, make it to link, make the barricade 105 crosscut throw lights that are arranged on the detection control stick 102 carry out lifting with the lifting of top filter cloth metal-cored 51.

According to this structure, when filter plate 4 switches, detect the mobile fault of filter cloth 50, can prevent the generation that metal-cored 51,54 folders of upper/lower filter cloth advance accidents such as 4 of filter plates in advance.

When the changeing and overhaul of filter cloth 50, can dismantle simply and detect control stick 102, in maintenance management, there is not any obstacle yet.

In addition, in the present embodiment, set below the filter plate 4 can be rotated to support on above-mentioned forebay 1 and the afer bay 2 about drip dish 106a, 106b, drip dish 106a about will being fixed on, the bolster 108 of 106b, a pair of crank 110 on 109,111 is pivotally connected at adjusting lever 113, on 114, simultaneously at buttoned-up a pair of dish 106a, on the position of 106b, the pivotally connected point of one of them crank 110 and adjusting lever 113 is provided in stagger upwards and on the inside position with its bolster 108, the pivotally connected point of another crank 111 and adjusting lever 114 is provided in is positioned at upwards and on the outside position of its bolster 109, and, the middle part of a crank 110 therein, the pivotally connected dish switch cylinder 116 that can hang down from platform 115 with freely swinging.

According to this structure, a pair of corner positions rotation that dish 106 utilizes ring mechanism can stagger relative, the balance cooperation without interfering with each other mutually of its point.There are not rinse water and leakage to leak down from dripping 106 on dish.

Claims (17)

1. filter press, a plurality of side by side mutual filter plates that can be connected on the rail on support mmi machine frame and the afer bay are opened on the filter bed of each filter plate and are established filter cloth and form the filter chamber with opening and closing, it is characterized in that:

Has a pair of rectangle filter cloth, ora terminalis is ined succession on it, fixedly the top filter cloth is metal-cored, and metal-cored its down ora terminalis that is fixed on of bottom filter cloth, this a pair of rectangle filter cloth respectively support be equipped on adjacent filter plate below revolution roll on the bar, the metal-cored end that is connected the drive chain of volume frame on sprocket wheel of above-mentioned top filter cloth, this sprocket wheel is located at the top of filter plate, simultaneously, and the metal-cored other end that is connected this drive chain of above-mentioned bottom filter cloth with freely loading and unloading, thus, hang on the filter bed that is located at filter plate;

Have the gear that can not rotate and cooperate with being free to slide with respect to the sliding axle of support on above-mentioned forebay and afer bay, this gear that is connected on the above-mentioned sprocket wheel is arranged on each filter plate;

Drive above-mentioned sliding axle by revolution and make above-mentioned sprocket wheel revolution, drive above-mentioned filter cloth.

2. filter press as claimed in claim 1, it is characterized in that: the feed flow plate is fixed on hangs on a pair of filter cloth that is located on the filter plate, can be in the recess of chimeric this feed flow plate of filter cloth in formation on the filter plate, under the state of closing the front and back filter plate, make the stoste supply road of filter plate and the stoste of feed flow plate supply with the road connection, constitute from being arranged on the loop of the filter chamber's supply stoste between the feed flow road direction filter cloth on the feed flow plate.

3. filter press as claimed in claim 1 is characterized in that: above-mentioned sprocket wheel is located at crossbearer on the filter cloth driving shaft on the top of filter plate, and the gear that is engaged on the above-mentioned sliding axle is the output helical gear, remains the state that is engaged on the input helical gear at ordinary times.

4. filter press as claimed in claim 1, it is characterized in that: will be fixed on the fastening bolt with the metal-cored drive chain that is connected of above-mentioned top filter cloth, this fastening bolt cooperated be tightened in the groove that is arranged on the horizontal part that forms L shaped clamp, make in the metal-cored a pair of maintaining part that is clamped on respectively on the vertical component effect that is arranged on clamp of bottom filter cloth with the filter cloth of the front and back adjacency of filter plate.

5. filter press as claimed in claim 1, it is characterized in that: on the guard bearing that hangs down in the bottom, both sides of above-mentioned filter plate, bar and scavenge pipe are rolled in a pair of revolution of support respectively, enclose hang over the revolution roll the filter cloth on the bar inverted position below set scavenge pipe, on near the guard bearing the back side of the filter cloth that reverses, roll bar towards revolution nozzle is set.

6. filter press as claimed in claim 1 is characterized in that: roll and disposed heater in the bar enclosing the revolution of having hung above-mentioned filter cloth.

7. filter press as claimed in claim 2, it is characterized in that: on the sealing surface of above-mentioned filter plate, in establish the osculum that is communicated with filter bed, in communicating pipe portion's upper shed of being dashed forward and being established by the sidewall of sealing surface, the communicating pipe portion of many filter plates is formed for the draining road that filtrate is discharged when closing plate with this osculum.

8. filter press as claimed in claim 1, it is characterized in that: constitute above-mentioned filter plate with the synthetic resin material, with clamping section unshakable in one's determination be the shoulder that the reinforcement iron of コ font is pressed into filter plate, clamp the front and back sidewall of strengthening iron, be fixed on the filter plate, simultaneously on the iron core of holding with the reinforcement iron clamp, fixed support and had a head gear-bearing of the filter cloth driving shaft of above-mentioned sprocket wheel.

9. filter press as claimed in claim 8, it is characterized in that: the lower edge at the filter plate of above-mentioned synthetic resin material is being fixed the field trash separator that is provided with a plurality of via holes, the via hole that makes the field trash separator with in be located at the filter bed of filter plate and the osculum on the sealing surface is communicated with.

10. filter press as claimed in claim 7 is characterized in that: on the inner peripheral surface of the communicating pipe of the osculum of facing above-mentioned filter plate portion, pasting the liner of wearability.

11. filter press as claimed in claim 2, it is characterized in that: with one in the above-mentioned front and back filter plate arranged side by side, constitute by on the central layer of synthetic resin material, opening the lamina membranacea established diaphragm, a plurality of rhones that make the lower edge that is arranged on diaphragm with in the osculum that is located on the fitting surface of the filter bed of diaphragm and central layer be communicated with.

12. filter press as claimed in claim 11 is characterized in that: insert the rectangle inserts that both ends are provided with screwed hole on the fitting surface of above-mentioned central layer, the periphery of the diaphragm that will install on the two sides of central layer with clamping screw is tightened on the inserts.

13. filter press as claimed in claim 2, it is characterized in that: set anterior moving head and removable retainer at the both ends of above-mentioned filter plate arranged side by side, to open with the ring-type haulage chain that prime mover is connected in linkage and be located on forebay and the afer bay, on the movable part that moves round about of this haulage chain, fixing anterior moving head and removable retainer, making filter plate arranged side by side from both sides while switch.

14. filter press as claimed in claim 2, it is characterized in that: on the moving head and removable retainer of above-mentioned front portion, be separately positioned on its vertically disposed lock-switch cylinder in middle part and the pivotally connected a pair of lock in ground that freely swings at its both ends, connect lock-switch cylinder and lock with adjusting lever, lock is freely rotated, simultaneously on rail, set the rail piece, it is oppositely arranged on the turned position of the lock of the moving head of the front portion of closing plate and removable retainer.

15. filter press as claimed in claim 14 is characterized in that: and the filter plate of above-mentioned removable retainer rear end arranged side by side between set the moving head at rear portion, connect the moving head at removable retainer and rear portion with the clamping cylinder.

16. filter press as claimed in claim 1, it is characterized in that: on above-mentioned forebay and afer bay, set optical receiver and light projector, freely load and unload the base end part of the pivotally connected detection control stick in ground on the top of filter plate, the elevating lever that will be connected with the detection control stick docks with the top filter cloth is metal-cored simultaneously, make it the lifting interlock metal-cored, make the barricade crosscut throw light that is arranged on the detection control stick carry out lifting with the top filter cloth.

17. filter press as claimed in claim 1, it is characterized in that: set below the filter plate can be rotated to support on above-mentioned forebay and the afer bay about drip dish, the a pair of crank pivot of dripping on the bolster that coils about being fixed on is connected on the adjusting lever, simultaneously on the position of buttoned-up a pair of dish, the pivotally connected point of one of them crank and adjusting lever is provided in and making progress and inside position that its bolster staggers, the pivotally connected point of another crank and adjusting lever is provided in by its bolster upwards and outside position, and, can freely swing the dish switch cylinder that hangs down from platform be pivotally connected to the middle part of one of them crank.

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