TW553758B - Filter press - Google Patents

Abstract

Disclosed is a filter press, comprising: a plurality of filtering plates (4) juxtaposed in a rail (3) supported b a front rack (1) and a rear rack (2). On the filtering layers (4b) of the front and rear filtering plates (4) are applied with a pair of filtering cloths (50) to construct a filtering compartment (59). A movable chain (8) connects these filtering plates (4) to serve as a filter press that may be freely opened and closed. This invention is characterized in that: the filtering layer (4b) of the front and rear filtering plates (4) are suspended with a pair of rectangular filtering cloths (50); top edges (50a) of the filtering cloths (50) jointly serve as sleeve for a top filtering cloth hanging scroll (51) that is able to ascend and descend freely between the filtering plates (4); bottom edges (50b) of the filtering cloths (50) serve as a sleeve for a pair of lower filtering cloths handing scrolls (54) that are able to ascend and descend freely between the filtering plates (4); and a raw fluid guiding aperture (55) is provided at a designated position next to the top filtering cloth hanging scroll (51).

Description

553758 A7 ___B7_ V. Description of the invention (1) [Technical field to which the invention belongs] (Please read the notes on the back before filling out this page) This invention is about filter presses, especially about opening multiple parallel filter plates at the same time. The filter cloth stretched between the filter plates is operated at the same time to perform a filter press for discharging the cake or washing the filter cloth. [Prior art] The filter press disclosed in the Japanese Unexamined Patent Publication No. 1 1-1 9 4 1 4 is to suspend the upper end of the filter cloth fixed to the filter plate on the filter cloth support device to be able to vibrate and discharge. When filtering the cake, the filter plate is opened one by one in order, and the filter cloth or the filter plate is vibrated to peel the filter cake from the filter cloth in order. In this filter press, since the center of the filter cloth is fixed to the filter plate, even if the filter cloth is sprayed with washing water, the filter cake may remain on the filter plate fixed to the filter cloth due to the difference in the characteristics of the filter cake. Disadvantages of the fixing part. The filter press disclosed in the Japanese Patent Publication 20000 — 3 3 2 04 published by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs hangs the endless filter cloth on the side-by-side filter plates. At the same time, when the filter cake is discharged, the clamping plate is used to open the slab at the same time, so that the sack cloth is operated to peel the filter cake and the plate filter press is opened at the same time. In this filter press, since the descending portion and the rising portion of the endless filter cloth are parallel to each other when the filter cake is discharged, the filter cake attached to the filter cloth not only becomes resistance to the operation of the filter cloth, but also attaches to the filter. Wheel on the top of the board. Filtered cake ‘The attached roller becomes the cause of the filter cloth ’s snakes, wrinkles, and damage. It is very difficult to replace the damaged filter cloth because it is necessary to replace all endless filter cloths hanging on the filter plate. This paper size applies Chinese National Standard (CNS) A4 specification (210X297 mm) -5- Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 553758 A7 __B7_ V. Description of the invention (2) In addition, in this filter press, because The opening and closing of the filter plate is also performed by the clamping cylinder. When the number of filter plates is increased, the clamping cylinder stroke of the increased opening and closing stroke of the filter plate needs to be extended. Therefore, the filter press must be large and multi-chamber. Difficult. [Summary of the Invention] In view of the above-mentioned conventional problems, the purpose of the present invention is to provide a plurality of side-by-side filter plates to be opened at the same time, and the filter cloths suspended between the filter plates can be operated at the same time to discharge the filters. Press or filter cloth to maintain its high filtration efficiency. Another object of the present invention is to provide a filter press with a full length shortening and a filter press that makes it easy to save space and increase the capacity to achieve filter cake discharge time and filter plate opening and closing time. Shortened filter press. According to a first aspect of the present invention, a plurality of filter plates are juxtaposed on a track supported by a front frame and a rear frame, and a pair of filter cloths are formed on the filter layer of the front and rear filter plates to form a filter chamber. In the filter press that can be opened and closed freely, a pair of rectangular filter cloths are hung on the filter layer of the filter plate, and the upper edge of the filter cloth is used as the sleeve of the filter cloth hanging shaft at the upper part of the filter plate. The lower edge of the filter cloth can be lifted and lowered freely. One of the sleeves of the lower filter cloth hanging shaft between the filter plates is provided with a raw liquid guide hole at a designated position near the upper filter cloth hanging shaft. [Implementation] This paper size applies Chinese National Standard (CNS) A4 specification (210X297 mm) '--6---- 0 ^ ------ 1T ------ 0 (Please read first Note on the back, please fill out this page again) Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 553758 A7 __ B7_ V. Description of the invention (3) The following is a detailed description of the embodiment of the present invention using the drawings. As shown in Fig. 1, most of the parallel filter plates 4 are supported and erected on a rail 3 spanning the front frame 1 and the rear frame 2. The front end portion and the rear end portion of the rail 3 are fixed to the side portions of the front frame 1 and the rear frame 2, respectively, and the center portion is supported by the intermediate rail frame 118. A front slider 5 is disposed in front of the frontmost filter plate 4, and a rear slider 6 is disposed behind the frontmost front and rear filter plates 4. As shown in FIG. 2, the filter plate 4, the front sliding head 5 and the rear sliding head 6 juxtaposed on the track are fixed by two locking iron pieces 7 provided on the upper and lower sides of each side wall of the filter plate 4. The chain link chains, that is, the travel chains 8 are connected to each other. The travel chain 8 fixes every four chain rings to the locking iron 7 in order to leave a certain interval between the filter plates 4 when the filter plates 4 are opened. Among the links constituting the travelling chain 8, the link 8a fixed to the locking iron 7 is fixed to the parallel portion of the long ring so as to be positioned up and down with each other. When the filter plate 4 is opened, it abuts The chain links 8 c will smoothly move up and down the chain links 8 b between the chain links 8 c while tilting smoothly. When the front sliding head 5 and the rear sliding head 6 are moved forward and backward, respectively, the filter plate 4 is sequentially opened from the filter plates located at the front and rear ends of the row, but at this time the pair of filter plates 4 that are finally opened are g is connected by a slidable chain rod 8 d fixed to the side wall. The length of the chain rod 8 d is set at the interval of the filter plate 4 g when the plate is opened, than the interval of other filter plates 4 connected by the travel chain 8, that is, the length of the four chain link portions of the travel chain 8 It should also be about 5 mm in length / to stop the error of the stop position of the front slider 5 and the rear slider 6 when opening the plate, which can prevent the travel chain 8 from withstanding the front slip. The paper size applies the Chinese National Standard (CNS) A4 specification (210X29 * 7mm) ---------- install ------ order ------ (Please read the precautions on the back before filling this page) 553758 A7 ______B7_ V. Description of the invention (4 ) (Please read the notes on the back before filling out this page) Traction force applied by moving head 5 and rear sliding head 6. Furthermore, for the chain rod 8 d 'in order to enable it to be damaged under the load of the traveling chain 8 which is low, the chain rod 8 d is provided with a depression point in case the traveling chain 8 receives the front' sliding head. 5 and the rear sliding head 6 can avoid the damage of the traveling chain 8 when the traction force is applied. As shown in Fig. 3, a concave-shaped filter layer 4b is formed on the front and back of the filter plate 4. On the surface of the concrete layer 4 b, a plurality of pyramids 4 d ° are arranged on the upper part of the filter plate 4, and a raw liquid supply pipe 9 is provided before and after penetration. A recess 4c is formed on the front and back of the filter plate 4 from the periphery of the raw liquid supply pipe 9 to the filter layer 4b. At the recess 4c, when the plate is closed, the following liquid-feeding plate 56 is fitted through the filter cloth 50. Around the filter layer 4b and the recess 4c, a sealing surface 4a is formed which is in contact with the adjacent filter plate 4 and the filter cloth when the plate is closed. At the lower end portion of the filter plate 4, one end is opened at the lower end portion of the filter layer 4b, and the other end is provided with an opening at the lower end of the side wall of the filter plate 4 at the lower end portion of the filter plate 4. Drain hole 1 0. The consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs prints the connecting pipe section 11. Although it is provided on the left and right side walls of the filter plate 4, the filter layer 4b at the front and rear of the filter plate 4 uses a common discharge hole 1 0, Only one of these communication pipe portions 11 is communicated. The filter plates 4 juxtaposed on the rails 3 have the filter layers 4 b of the respective filter plates 4 arranged in parallel so as to communicate with the left and right communication pipe portions 11 alternately. By closing the already-parallel filter plates 4, the drainage channels 12 of the separated communication pipe sections 1 1 between adjacent filter plates 4 are connected to form a continuity. This paper standard applies Chinese National Standard (CNS) A4 Specifications (21 × 297 mm) -8- 553758 A7 B7 printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (5) Emission channel of the filtrate 12. Therefore, there is no need for a filtrate discharge water pipe which would prevent the filter plate 4 from being opened and closed, and maintenance is facilitated because the number of parts is reduced. On the upper parts of the left and right side walls of the filter plate 4, support arms 13 for supporting the filter plate 4 on the rail 3 are provided. On the bottom surfaces of the left and right support arms 13, pads 1 3 a and 1 3b made of ultra-high molecular weight polyethylene or fluorine resin (P T F E) are mounted. The pad 1 3 a has a concave sliding surface that can be adapted to a convex track provided in a group of tracks 3-3. The pad 1 3 b has a flat sliding surface that can be adapted to a flat rail provided on the other side of the set of rails 3. The position of the filter plate 4 in the left-right direction is determined by the combination of the concavity of the sliding surface of the gasket 1 3 a and the convexity of the convex track provided in the square of the track 3. A support layer 14 is provided at the central portion of the filter layer 4b of the filter plate 4 to prevent the filter plate 4 from being deformed due to the applied load when the filter plate 4 is closed and clamped. Each of the filter plates 4 is made of a synthetic resin to reduce its weight. As shown in FIG. 7A and FIG. 7B, a shoulder portion of the filter plate 4 is press-fitted with a reinforcing steel member 15 formed in a channel shape in a cross section. Iron core between 5 b 1 6. On the iron core 16 is provided a screw hole 1 6 a when a mounting hardware 3 6 is used to fix the top hardware 3 6 of the lifting device for the following filter cloth. In addition, the reinforcing iron member 15 is fixed in the filter plate 4 after the screws 17 are inserted into the mounting holes 15 a provided in the front and rear walls 15 b of the reinforcing iron member 15 as shown in FIG. 3. Thereby, the shoulder portion of the synthetic resin filter plate 4 can be made rigid. This paper size applies to Chinese National Standard (CNS) A4 (210X297 mm) ------------------ 1T ------ 0 (Please read the note on the back first Please fill in this page for further information) -9-553758 A7 B7 V. Description of invention (6) (Please read the notes on the back before filling this page) Printed as shown in Figure 3 and Figure 8 by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs As shown in FIG. 9, a suppressor 18 for discharging filtrate from the filter layer 4 b through the sealing surface 4 a is fixed to the discharge portion of the filter layer 4 b at the lower end of the filter plate 4. The suppressor 18, after being fixed, is provided with a continuous filter layer 18d that is smooth with the filter layer 4b, and a continuous sealing surface 18e that is linear with the sealing surface 4a. On the filter layer 18 d, a plurality of pyramids 18 a are provided, which include pyramids smaller than the pyramid 4 d provided on the sacral layer 4 b. At the lower end of the filter layer 18 d, along the boundary between the filter layer 18 d and the sealing surface 18 e, a plurality of passage holes 1 8 b are connected to the discharge holes 10 of the filter plate 4. The filter layer 18 d and the sealing surface 18 e of the suppressor 18 are respectively provided with two mounting holes 1 8 c for inserting screws when the suppressor 18 is to be fixed. Inside the suppressor 18, there are provided screw holes 18f arranged in the same row as the mounting holes 18c of the filter layer 18d, and a groove 18g communicating with the channel hole 18b. The mounting holes 18 c and the screw holes 18 f are shown in FIG. 9. When the suppressors 18 at the front and rear of the filter plate 4 are fixed back to back, the suppressors 18 are configured to be inserted into one side. The mounting screw for the hole 18 c can be screwed into the mounting hole 18 c of the other suppressor 18. The groove 18 g is a groove 18 g formed as one suppressor 18 and communicates with the drain hole 1 8 together with the groove 18 of the other suppressor 18 to form a water channel 18. h. Since several of the pyramids 18 a of the suppressor 18 are formed smaller than the pyramids 4 d provided on the filter layer 4 b, when the filtrate flows from the filter layer 4 b into the discharge hole 10 The filtrate stream concentrated on the channel holes i 8 b can be dispersed to avoid local wear of the suppressor 18. This paper size applies Chinese National Standard (CNS) A4 specification (210 X 297 mm) -10- 553758 A7 B7 V. Description of the invention (7) Abrasion caused by filtrate flowing from filter layer 4 b into discharge hole 10 Since the drainage part 4 b is provided with a suppressor 1 8 ′, even if inorganic fine particles and the like flow into the filtrate, the filter plate 4 itself can be protected from abrasion. Moreover, even if the wear continues, the filter plate 4 can be continuously used as long as the suppressor 18 is replaced. As shown in Fig. 3, on the inner peripheral surface of the communication pipe portion 11 having the opening of the discharge hole 10 of the filter plate 4, a wear-resistant circular tubular liner 19 is attached. As shown in FIG. 4, the liner sleeve 19 has an outer peripheral surface with a radius R 1 attached to the inner peripheral surface of the communicating pipe portion 11 and an inner surface with a radius R 2 eccentric from the outer peripheral surface upward. The peripheral surface, and the holes 19a which should be provided at the positions of the discharge holes 10 of the filter plate 4. On the outer peripheral surface of the liner sleeve 19, at a position corresponding to the seam portion 19 u of the seal ring 19 s described below, the seam portion 19 u is formed between the seam portion 19 u and the communication pipe portion. The recesses 1 9 b in the direction of the M rearward direction can be directly reached between the 11 inner peripheral surfaces. Further, a concave portion 19 c is formed on the outer peripheral surface of the lower end side of the bushing tube 19. Thereby, as shown by an arrow symbol in FIG. 6, a discharge channel 12 formed in the communication pipe portion 11 can secure a filtrate channel 12a. Since the liner sleeve 19 is attached, even if the inorganic fine particles and the like flow into the filtrate, the inner peripheral surface of the communication pipe portion 11 can be protected from abrasion and protected. Further, even if the wear continues, the filter plate 4 can be continuously used as long as the liner sleeve 19 is replaced. As shown in FIG. 3, a sealing ring 19 as shown in FIGS. 5A and 5B is attached to the communication pipe portion 1 1 on which the liner sleeve 19 is attached. Sealing ring 1 9 s, when installed, is located at the front and back of the connecting pipe section 1 1 discharge channel. The paper size is applicable to Chinese National Standard (CNS) A4 specifications (210x297 meals; Γ -11--^ equipment-( Please read the notes on the back before filling this page),? Τ Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 553758 A7 B7 V. Invention Description (8) (Please read the notes on the back before filling this page) 1 2 The sealing portion 19 t around the opening and the joint portion 19 u connecting the sealing portion 19 t at three positions in the circumferential direction are formed. Since the sealing ring 19 s spans the joint portion 19 u The communication tube portion 11 is connected to the sealing portion 19 t. Therefore, when the filter plate 4 is opened and closed, the sealing portion 19 t does not fall off even if it receives an eccentric load. In addition, the joint portion 19 u is connected to the sealing part 19 t only at three places, which can ensure the flexibility of the sealing ring 19 s. Therefore, when replacing the sealing ring 19 s, it can be superimposed into a small, One of the openings in the front or back of the communication pipe section 11 is inserted into the sealing section 19 t. The filter plate 4 is made of reinforced iron 15 and suppressor 1 8 Liner sleeves 19 and so on, while making use of the lightness and chemical resistance of synthetic resin characteristics, while ensuring the strength of conventional metal filter plates. This reduces the weight of filter plates 4 Fig. 10 shows another embodiment of the filter plate, showing that the diaphragm plate 20 is provided with a core plate 21 and a diaphragm 28 installed at the front and rear sides thereof. The Ministry of Economic Affairs uses this diaphragm plate. When the Intellectual Property Bureau employee consumer cooperative prints 20, the diaphragm plate 20 and the above-mentioned filter plate 4 can also be alternately juxtaposed on the track 3. When the diaphragm plate 20 is used, the diaphragm 28 can be expanded as described below. The dehydration of the raw liquid pressed into the furnace is further advanced, so high dehydration can be performed. The shoulders of the diaphragm plate 20 are also pressed with the reinforcement iron 15 and the reinforcement iron of the diaphragm 20 The piece 15 is a shoulder on the opposite side of the reinforcing iron piece 15 arranged on the filter plate 4 arranged in front of and behind the diaphragm plate 20. Since the core plate 21 of the diaphragm plate 20 is also synthesized with the filter plate 4 Resin material, therefore, the weight of the diaphragm plate 20 can be reduced, making it suitable for China Standard (CNS) A4 (210X297 mm) -12- 553758 A7 ___B7 V. Description of the invention (9) At the same time that it can be enlarged, special waste liquids such as chemical treatment can also be used. (Please read the precautions on the back first (Fill in this page again) As shown in Fig. 11, a concave support layer 2 1 b is formed on the front and back of the core plate 21. The upper part of the core plate 21 is provided with a raw liquid supply pipe 2 passing through it. 2. For the front and back of the core plate 21, a recess 2 1c is formed from the periphery of the raw liquid supply pipe 2 2 to the filter layer 2 1 b. Around the supporting layer 2 1 b and the recess 2 1 c, a mounting surface 2 1 a for mounting the diaphragm 2 8 on the core plate 2 1 is formed. A lip groove 2 1 d is provided on the outer peripheral portion of the support layer 2 1 b so that a sealing lip 2 8 d provided around the inside of the diaphragm 2 8 can be fitted. As shown in FIG. 12, the lower end portion of the core plate 21 is formed with a lower end side recessed portion 2 1 e for receiving the discharge portion 3 3 of the diaphragm 2 8 described below. As shown in Figure 11, inside the lower end of the core plate 21, there are filtrate discharge holes 23 and pressurized water supply holes 25 and drain holes 23, which are printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The discharge channel 12 in the communication pipe portion 24 provided at the lower end of the side wall of the core plate 21 has an opening 2 3a provided at the lower end side concave portion 2 1e of the support layer 2 1b. Pressurized water supply holes 25, one end of which is open at the lower end of the support layer 2 1 b, and the other end of which is open at the side opposite to the side wall of the communication pipe portion 24 where the core plate 21 is provided. The inner peripheral surface of the water supply channel 35 of the pressure water pipe portion 26 at the lower end of the wall. On the upper parts of the left and right side walls of the core plate 21, support arms 27 for supporting the diaphragm plate 20 on the rail 3 are provided. This support arm 27 also constitutes an intake passage 2 7 a which communicates with the front and rear when the diaphragm plate is opened. This paper size applies to Chinese National Standard (CNS) A4 specification (210X297 mm) -13- 553758 A7 _B7____ 5. Description of the invention (1 () (Please read the precautions on the back before filling this page) on the core board 2 1 Inside the upper end, there is an air inlet hole 2 7 b ', one end of which is open at the upper end of the support layer 2 1 b, and the other end of which is open at the air inlet 2 7 a of the support arm 2 7. As shown in FIG. 13, the diaphragm 2 8 is a filter layer 28 b having a peripheral edge portion 2 8 a to be mounted on the mounting surface 2 1 a of the core plate 21 and a concave surface formed on the inside thereof, and a plurality of pyramids are provided on the surface. The upper part is provided with a raw liquid supply pipe 2 9. A recess 2 8 c is formed from the periphery of the raw liquid supply pipe 29 to the filter layer 2 8 b. The employee's consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs prints it as shown in Figure 15 As shown, the peripheral edge portion 28a of the diaphragm 28 mounted on both sides of the core plate 21 is fixed to the mounting surface 21a of the core plate 21 by the clamping bolt 31 through the lock plate 32. The clamping bolt 31 is inserted In the core plate 21, an angular insert 30 having bolt holes at both ends is provided, and the clamping bolts 31 on the opposite side are screwed to a common screw. Bolt hole. Therefore, when the diaphragm 2 8 on one side expands, the tension experienced by the clamping bolt 31 will push the other diaphragm 2 8 to the core plate 21, so the diaphragm 2 8 will be firmly fixed on the core plate. 2 1. The magnitude of these tensions is evenly distributed on both sides, so the force on the joint between the insert 30 and the core plate 21 becomes small. Therefore, there is no need to The piece 30 is firmly fixed and is driven into or inserted into the core plate 21, so the manufacturing cost becomes cheaper. The periphery of the diaphragm 2 8 fixed to the mounting surface 2 1 a of the core plate 2 1 The portion 2 8 a is formed to be substantially the same as the peripheral edge portion of the mounting surface 2 1 a of the core plate 21, and constitutes the sealing surface of the diaphragm plate 20. As shown in FIG. 13, the peripheral edge portion 2 of the diaphragm 2 8 8 a, the lower end of this paper size is in accordance with Chinese National Standard (CNS) 8 4 specifications (210X297 mm) '' -14- 553758 A7 ___B7_ V. Description of the invention (11) 'Equipped with a discharge unit for discharging filtrate 3 3. This discharge Section 3 3, as shown in (Please read the precautions on the back before filling out this page) Figure 1 4A and Figure 1 4 B have the lower end corresponding to the core board 2 1 A plurality of openings 3 3 b located at the opening 2 3 a of the undercut 2 1 e, and a plurality of rows and grooves 3 3 a provided from the filter layer 2 8 b of the diaphragm 2 8 to the opening 3 3 b. The filtrate Is guided into the discharge groove 3 3 a, flows from the filter layer 2 8 b to the opening 3 3 b, and is discharged from the discharge hole 23 through the opening 2 3 a of the core plate 21. In the discharge portion 3 3 of the diaphragm 2 8, as shown in FIG. 1 A, the area covered by the discharge groove 3 3 a and the surrounding area of the filter layer 2 8 b from the opening 3 3 b (FIG. 14 A The diagonal line) is embedded with a reinforcing cloth 3 3 c. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs In addition, a reinforcement belt 3 3 d is attached to the lower part of the opening 3 3 b of the emission department 3 3. The surface of the reinforcing strip 3 3 d is more convex than the surface of the surrounding discharge portion 3 3. When the diaphragm plate 20 is closed, the lower portion of the opening 3 3 b of the discharge portion 3 3 of the diaphragm 28 will be firmly clamped. Between the opposite side of the diaphragm 28, the discharge portion 33, or the sealing surface 4a of the plate 4, and the lower end side concave portion 2e of the core plate 21. The reinforcement cloth 3 3 c and the reinforcement belt 3 3 d are reinforced, so that the discharge portion 3 3 can have sufficient strength to resist the tension generated when the diaphragm 28 is expanded, so that it can be formed into a thin shape. A support layer 3 4 is provided at the center of the filter layer 2 8 b of the diaphragm 2 8 to prevent the core plate 2 1 from being subjected to the load applied to the diaphragm plate 20 when the diaphragm plate 20 is closed and then clamped. Deformation. When the diaphragm plate 20 and the filter plate 4 are used alternately and juxtaposed, one side of the communication pipe portion 11 of the filter plate 4 shown in FIG. 3 can be used as a pressure water for expanding the diaphragm 28. Use the pressure water pipe section 26. When this paper size applies to China National Standard (CNS) A4 specification (210X297 mm) ~ -15- 553758 A7 B7 V. Invention description (id (please read the precautions on the back before filling this page) Alternate side by side filter plates When the 4 and diaphragm plate 20 are closed, the pressure water pipe section 26 and the through pipe sections 1 1 and 2 4 of the adjacent filter plate 4 and the diaphragm plate 20 will be connected to form a water supply channel for the respective pressure water 3 5 And the filtrate discharge channel 12. As shown in Fig. 16, the filter cloth hoisting device is composed of an upper hoisting device arranged on the upper part of the filter plate 4 and a lower hoisting device arranged on the lower part. The hoisting device includes: a pair of top shaft mechanism hardware 3 6 and top shaft hardware 3 7 standing upright on the shoulder of the filter plate 4; the filter cloth drive shaft supported by the top shaft mechanism hardware 36 and the top shaft hardware 37 3 9; Slide mechanism housing 4 1 connected to the filter cloth drive shaft 3 9; A pair of sprocket wheels 40 embedded at both ends of the filter cloth drive shaft 3 9. The top shaft mechanism hardware 3 6 is the mounting screw 3 8 It is fixed to a reinforcing iron piece 15 pressed into one of the shoulders of the filter plate 4 and supports sliding at the upper end of the top shaft mechanism hardware 36. Frame 4 1. The consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs prints the output helical gear 4 3 supported by the shaft on the sliding mechanism case 4 1, as shown in FIG. 17, which is embedded with the filter cloth driving shaft 3 9 The input helical gear 4 2 at the end is closed. This state is always maintained during the opening and closing of the filter plate 4. The output helical gear 4 3 is fitted with the following sliding shaft extending in the front-back direction of the filter press. 4 4 so that it can not rotate to the output helical gear 4 30 but can slide freely in the axial direction. The sliding mechanism housing 4 1 pair of sliding shaft 4 4 supports the top shaft mechanism hardware 3 6 because it is set upright in the press-in The shoulders of the filter plate 4 are reinforced with reinforced iron parts 15 to obtain sufficient rigidity. Therefore, when the filter plate 4 is opened and closed, the Chinese national standard (CNS) A4 specification (210X297 mm) is applicable. -16- 553758 A7 _____B7 5. Description of the invention (id to the repeated load caused by sliding resistance between the sliding shaft 4 4 and the output helical gear 4 3 will not strengthen the top shaft mechanism hardware 3 6 and the reinforcing iron 15. The joint between the iron piece 15 and the filter plate 4 is loosened, so that The rigidity of the upper hanging device is maintained. The sliding mechanism shell 41 and the top shaft mechanism hardware 36 supported by it are arranged in parallel to the filter plates 4 without interfering with each other when the plates are closed. Left and right shoulders. At this time, the sprocket wheels 4 of the filter cloth driving shaft 39 of each filter plate 4 are aligned on the same straight line. The same is true for the filter press with the filter plate 4 and the diaphragm plate 20 alternately juxtaposed, and the sliding mechanism The case 41 and the top shaft mechanism hardware 36 supporting the case 41 are alternately arranged on the left and right shoulders of the filter plate 4 and the other shoulders of the diaphragm plate 20. On the other hand, the lower hoisting device includes: two bottom shaft hardware 45, 45 hanging from the lower ends of both sides of the filter plate 4; two return rollers 4 supported by the bottom shaft hardware 45, 45. 6 and washing tube 4 7; nozzles 4 8 and washing water connection box 4 9 0 installed on one of the bottom shaft hardware 4 5 in a filter press in which filter plates 4 and diaphragm plates 2 0 are alternately juxtaposed. The diaphragm plate 20 is also provided with the same hoisting device as the lower hoisting device. In addition, the top shaft mechanism hardware 36 and the top shaft hardware 37 are provided with a chain guide wheel 4 0 a for guiding the driving chain 5 2 suspended at the following filter part 50; at the lower end of the filter plate 4, There is a chain guide plate 4 0 b which guides the same driving chain 5 2. As shown in Fig. 18, 'a pair of rectangular filter cloths 50' has a paper standard (Norway) 8 4 specifications (210 '/ 297 mm) for each paper size nmm 10 --- HI jv-. 1— 1 ^ 1 n (Please read the notes on the back before filling in this page)

1T it printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs -17- printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 553758 A7 ___ B7 V. Description of the invention 50 a, and the lower end edge of each of the lower end portions is reversely folded to form a cylindrical lower end edge 5 0b. The upper end edge 50 a and the lower end edge 5 0 b are respectively inserted and fixed to be wider than the filter cloth 5 0 width. A long upper filter cloth hanging shaft 51 and a lower filter cloth hanging shaft 54 are connected to the two ends of the upper filter cloth hanging shaft 51 with a driving chain 52 having tension bolts 53 at the ends. A pair of filter cloths 5 A liquid supply plate 56 holding the raw liquid is held in the central part above 0. The liquid supply plate 56 is provided with a liquid supply pipe 57 and a liquid supply pipe running from the front to the rear as shown in FIGS. 19 and 20. From the raw liquid supply pipe 57, the lower peripheral surface penetrates the liquid supply channel 5 8 at the lower end of the liquid supply plate 56. The lower part of the liquid supply plate 56 is embedded with corrosion-resistant gold such as stainless steel. Core 5 6 a. Steel core 5 6 a is composed of T-shaped plate 5 6 b which is a part of the front and rear of the liquid supply plate 5 6; The central portion of the T-shaped plate 5 6 b and the τ-shaped plate 5 6 b simultaneously form a connecting plate 5 6 c for supplying the liquid channel 5 8; and a connecting iron piece 5 6 d connecting the T-shaped plate 5 6 b. At the lower end of the plate 56, when using a filter press with the filter plate 4 and the diaphragm plate 20 alternately juxtaposed, the angle on the side of the diaphragm plate 20 is inclined with blunt feet, so the diaphragm 2 8 on the diaphragm plate 20 expands. At this time, damage to the filter cloth 50 sandwiched between the liquid supply plate 5 6 and the diaphragm plate 20 can be prevented. The T-shaped plate 5 6 b, which is almost wide across the liquid supply plate 5 6, is installed because it is installed in the diaphragm. '2 8 sealing lip 2 8 d, so when the diaphragm plate 20 is opened, the sealing lip 2 8 d of the diaphragm 2 8 is indeed pressed into the lip of the core plate 2 1 by the steel core 5 6 a. Within 2 1 d. This paper size applies to China National Standard (CNS) A4 specification (210 × 297 mm) 1 --------, order ------ (Please read the notes on the back before filling This page) -18- 553758 A 7 _____B7__ V. Description of the invention ((Please read the precautions on the back before filling in this page) For the pair of filter cloths 50 holding the liquid plate 5 6 at the center of the upper part 0 is equivalent to Stock solution pipe 5 of liquid plate 5 6 The original liquid guide holes 5 5 are provided at the positions. The filter cloth around the original liquid guide holes 5 5 is enclosed in the liquid supply plate 5 6. As shown in FIG. 21, a pair of filter cloths 50 is hung on Between the side-by-side filter plates 4, the original liquid side filtering surface becomes the lower side during reversing, and they are respectively rolled back and hung on the return rollers 46 of the front and rear filter plates 4. The filter cloth is connected to the upper part of the filter cloth 50 The drive chain 5 2 of the hanging shaft 51 is hung on a sprocket 40 of the filter cloth driving shaft 39 of the front filter plate 4 and is hung on the front side of the filter cloth 4. The hanging driving chain 5 2 is guided by the chain guide wheel 4 0 a and the chain guide plate 4 0 b and extends slightly parallel to the sealing surface 4 a and the filter layer 4 b of the filter cloth 4, and hangs on the filter by rewinding. The lower filter cloth hanging shaft 5 4 of the two filter cloths 50 on the lower roller 4 6 of the plate 4 is connected. Here, the lower filter cloth hanging shaft 54 of each filter cloth 50 is a hook 60 fixed to a tension bolt 53 which is locked to the drive chain 52. When the parallel filter plates 4 are closed, holding the liquid supply plate 56 fixed to the filter cloth 50 at the recess 4 c of the front and rear filter plates 4, a pair of filter cloths printed by the employee's consumer cooperative of the Intellectual Property Bureau of the Ministry of Economy The system 50 is stretched on the filter layer 4 b of the front and rear filter plates 4 so that a filter chamber 59 is formed between them. The two return rollers 4 and 6 are set by the brackets in a position where they are separated from each other in the vertical direction. The cleaning pipe 47 is provided below the return rollers 46 in parallel, and has a plurality of nozzles 4 7a facing the reversing portion of the filter cloth 50 hung on the return rollers 46. The nozzle 48 is connected to the washing tube 4 7 through the receiving box 49, and goes from the upper side of the return roller 46 to the return roller 4 6 I. The paper size is applicable to the Chinese National Standard (CNS) (210X297 公 董) '-19- 553758 A7 B7 V. Description of the invention (id 〇 (Please read the precautions on the back before filling this page) To connect the cloth cloth 50 to the L-shaped hook 60 on the drive chain 5 2 as shown in Figure 22A and Figure 22B As shown in the figure, there is a horizontal portion 60 d to be fixed to the tension bolt 5 3 of the driving chain 52, and the base end of the horizontal portion 60 d extends downward to filter the lower part of the filter cloth 50. The vertical portion 60 e of the cloth hanging shaft 54 is locked on the side of the front end of the horizontal portion 60 d, and a groove 60a extending upward and downward is provided. Below the vertical portion 60e, a vertical portion 60o is provided. d locking groove 60b in the longitudinal direction. In addition, the vertical portion 6 0e has hook groove portions 60c that are arranged above and below it. Each of the hook groove portions 60c penetrates the vertical portion 60e in the length direction of the horizontal portion 6 0 d. It consists of an oblong hole with a long vertical direction and openings 60 f from the upper part of the hole to the two side walls of the vertical part 60 e. 6 0, as shown in FIG. 23, the tension bolt 5 3 fixed to the driving chain 5 2 is inserted into the groove 6 0 a of the horizontal part 6 0 d of the hook 60 from the side, and the screw Nuts fitted to the tension bolt 5 3 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 6 1 Locked up and down from the horizontal part 60 d and fixed to the tension bolt 5 3. Because the tension bolt 5 3 The lower nut 61 is locked by a locking groove 6 0 b formed on the front end side of the horizontal portion 60 0 d of the hook 60, so it does not come off the hook 60. The filter cloth 50 is suspended on the When the filter plate 4 is in between, the two drive chains 5 2 mounted on the filter cloth 50 are hung on the sprocket 40 of the cloth drive shaft 3 9 provided on the upper part of the cymbal plate 4 to make the drive chain 5 2 and filter cloth 5 0 This paper size applies to Chinese National Standard (CNS) A4 specification (210X297 mm) -20- 553758 A7 __B7___ V. Description of the invention (Hanging from the front and back of filter plate 4, respectively. 'Put a pair of filter cloth Among the 50's front filter cloth 50, the roll is hung in place (please read the precautions on the back before filling this page). The return roller 4 6 'on the rear side of the filter plate 4 in front of the filter cloth 50 Filter it The lower filter cloth hanging shaft 5 4 of the cloth 50 is locked on one of the hooks 60 connected to the lower end of the drive chain 5 2 on the front side of the filter plate 4 and the groove 6 60 c. In addition, the same hanging The rear side of the pair of filter cloths 50, which is hung between the current plate 4 and the furnaces and plates 4, is rolled back to the return roller 46, which is hung on the rear side of the current plate. The lower filter cloth hanging shaft 54 of 50 is locked in the other hook groove portion 60 c of the hook 60. According to the configuration of the hook 60, the filter cloth 50 can be easily replaced and removed from the side of the side-by-side filter plate 4 when the filter cloth 50 is replaced or inspected. As long as the nut 6 1 on the tension bolt 5 3 is moved, the length of the driving chain 5 2 can be adjusted, so that the suspended filter cloth 50 can eliminate the slack or excessive strain of the filter cloth 5 0 during expansion and contraction. Tight. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, a pair of sliding shafts 4 4 are supported by the sliding mechanism shell 41 on the top shaft hardware 3 6 of the filter plate 4, as shown in Figs. 1 and 17 It is shown on the left and right sides above the filter plate 4 that extend parallel to each other in the front-rear direction of the filter press. The front and rear ends of each sliding shaft 44 are rotatably supported on the front frame 1 and the rear frame 2 respectively. The front ends of the pair of sliding shafts 44 are interposed with respective conversion mechanisms 76, and are connected to a filter cloth driver 62 provided in the front frame 1 so as to be reversible. By the drive 2 of the filter cloth driving machine 6, the left and right slide shafts 4 and the filter cloth driving shafts 39 connected to all of them are rotated by a desired amount, and the parallel filter plates 4 are used. National Standard (CNS) Α4 Specification (210X29 * 7mm) 1-1-21-553758 A7 _ B7 V. Description of the invention (β's filter cloth 50 can be lifted together. (Please read the precautions on the back before filling in this Page) The front sliding head 5 arranged at the forefront of the juxtaposed filter plates 4 is supported and erected by a plurality of rollers 6 4 provided on the left and right side walls, as shown in FIGS. 2 4 and 27. It can run on the track 3. On the left and right side walls of the front sliding head 5, and outside the roller 64, there are connection bolts 6 5 fixed on the traction chain 7 1 for traction of the front sliding head 5. As shown in FIG. 25, the rear sliding head 6 provided at the rear of the juxtaposed filter plate 4 and the sliding limiter 6 6 arranged behind it are driven by the hydraulic pressure supported by the sliding limiter 6 6. The piston 6 8 of the clamping cylinder 6 7 connects them to each other. The rear slider 6 and the slide limiter 6 6 are Supported by a plurality of rollers 6 9 and 70 provided on the left and right side walls, the support rollers can be set to run on the track 3. When the piston 6 8 clamping the cylinder 6 7 is retracted, the rear sliding head 6 can be slid. The limiter 6 6 moves forward and backward. Above the side walls on the left and right sides of the slide limiter 6 6, there are connection bolts 7 4 fixed to a traction chain 7 1 that pulls the slide limiter 6 6. The bureau ’s consumer cooperative prints the traction chains 7 1 that are connected to the front slider 5 and the slide limiter 6 6 through the respective connection pins 6 5 and 7 4, as shown in FIG. 26. The hangers are arranged on the sprockets 72 on the left and right side walls of the frame 1 before the filter press and the same diameter as the sprocket 72 is set on the sprockets 73 on the left and right side walls of the frame 2 after the filter press. Among the parallel running parts of the endless traction chain 7 1, the lower running part is connected to the front sliding head 5, and the upper running part is connected to the slide limiter 6 6. The left and right traction are based on the Chinese national standard. (CNS) A4 specifications (210X297 mm) -22- 553758 A7 _B7 V. Description of the invention (id chain 7 1 is a sprocket 7 2 which is set on the front frame 1 in conjunction with each other (please read the precautions on the back before filling this page). There is a filter press on the front frame 1. The forward and reverse prime mover 7 5 used for the switch. The prime mover 7 5 is connected to the sprocket 7 2 via a drive chain 7 6. With the drive of the prime mover 7 5, the left and right sprocket 7 2 are interposed with the drive chain 7 6 is rotated to cause the traction chain 71 to run. At this time, the front slider 5 and the slide limiter 6 6 connected to the traction chain 71 are moved toward each other or away from each other. To close the filter plate 4, the front slider 5 and the slide limiter

I 6 6 moves in a direction approaching each other. Thereby, the juxtaposed furnace plates 4 are sandwiched from the front and the back to close the plates by the rear slider 6 connected to the front slider 5 and the slide limiter 6 6. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economy On the other hand, when the filter plate 4 is opened, the front slider 5 and the slide limiter 66 are moved away from each other. Thereby, the running chains 8 connected to both ends thereof are tightened. As described above, since all the filter plates 4 are connected to each other by the running chain 8, as the front slider 5 and the slide limiter 6 6 move, the running chain 8 will be opened in sequence from the end, The closed filter plates 4 are sequentially opened from the filter plates located in front of and behind the columns. By using the traction chain 7 1 for opening and closing the filter plate 4, the stroke of the clamping cylinder can be shortened. Compared with the conventional filter press that does not use a traction chain 71, clamping the cylinder can at least shorten the stroke amount required when the filter plate is opened and closed. Even if the number of filter plates 4 is increased, the stroke of the clamping cylinder does not need to be changed. The paper size applies to the Chinese National Standard (CNS) A4 specification (210X 297 mm) -23- 553758 A7 B7 V. Description of the invention (2C > As long as the traction chain 71 is extended to the opening and closing strokes of the additional filter plate 4, the size of the filter press can be easily achieved. (Please read the precautions on the back before filling this page} In addition, borrow Due to the traction chain 7 1, the side-by-side filter plates 4 can be opened and closed simultaneously from the front and back. Compared with conventional filter presses that open and close by clamping cylinders, the time required to open and close the filter plates 4 can be reduced by about half. As shown in FIG. 27, the stop device of the head 5 is supported by the left and right ends located in front of the front sliding head 5 and pivoted to suspend and hang on the shoulders of the front sliding head 5. The square rod stop lever 7 9 on 7 8; is located at the front center portion of the front sliding head 5 and is vertically arranged so that the piston rod 80 is a stop opening and closing cylinder 7 7 above it; and the stop opening and closing cylinder 7 7 The front end of the piston rod 80 is connected to the left and right stop rods 7 9 Each of the adjustment levers 81 is provided with a connector 8 2 at both ends thereof, which is pivotally connected to a piston rod 80 of the stopper opening cylinder 7 7 and a left and right stopper lever 7 9 The lower end is provided with an elastic rod 8 1 for adjusting the length of the middle part of the middle part. The consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs prints on the inner side of the left and right rails 3 supporting the front sliding head 5 to filter. After the plate 4 is closed, the stop position of the front sliding head 5 is still in the forward position, and there are two upper and lower rail stops 8 4 on the left and right sides. A recessed portion 5 b is formed at a position of 8 4 so that the front slider 5 is not hindered by these rail stops 8 4 when running on the rail 3. In addition, a side wall is formed above and below these recessed portions 5 b. The supporting part 5 a protruding to the left and right. When the piston rod 80 of the stop opening and closing cylinder 7 7 is extended, the stop lever 79 will swing forward to the center of the sliding head 5 in the avoiding position, that is, to stop the paper size. Applicable to China National Standard (CNS) A4 specification (210X297 mm) I. -24- 553758 A7 ___B7_____ 5. Description of the invention (21) (Please read the precautions on the back before filling this page) The lever 7 9 will not overlap with the recess 5 b, avoiding the position not blocked by the track stop 8 4. When the piston When the lever 80 is retracted when it is extended, the stop lever 7 9 will swing outward and be in a stop position, that is, the stop lever 7 9 will overlap the support portion 5 a and the recessed portion 5 b and hang on the receiving rail stop 8 4 is in the obstructed position. When the filter plate 4 is closed, the front sliding head 5 is extended on the track 3 in the process of running backward to extend the piston rod 8 0 which stops the opening and closing cylinder 7 7 and stops. With the moving lever 79 held in the avoidance position, it passes the track stopper 8 4. After the front slider 5 is stopped at the position shown in Fig. 28, the piston rod 80 of the stop opening and closing cylinder 7 7 is contracted to move the stop rod 7 9 to the stop position. As a result, the stop lever 79 is inserted between the rail stopper 84 of the rail 3 and the support portion 5a of the front slider 5, so that the front slider 5 cannot be advanced. The slide stopper 6 6 is also provided with the same stopper as the front slide head 5. • The stop device of the slide limiter 6 6 is printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, as shown in Figure 29. The left and right ends of the slide limiter 6 6 are pivoted to swing freely. A square rod stopper 8 7 * is hung on a support 8 6 supported by both shoulders of the slide limiter 6 6; it is located at the center of the rear of the slide limiter 6 6 and is vertically arranged so that the piston rod 8 8 is at The upper and lower stop opening and closing cylinders 8 5; and the front end portions of the piston rods 8 8 of the stop opening and closing cylinders 8 5 are respectively connected to the adjusting rods 8 9 on the lower ends of the left and right stop rods 8 7. Each adjusting rod 89 is provided with a connector 90 at its two ends, which is pivotally connected to the front end of the piston rod 8 8 and the lower end of the left and right stop rods 87, which are used to stop and open the cylinder 85. This paper size applies to Chinese national standards (CNS ) A4 size (210X297 mm) — -25- 553758 A7 B7 V. Description of the invention (has an adjusting rod 8 9 in the middle part of the elastic screw buckle 9 1 〇 (Please read the precautions on the back before filling in this Page) On the inner sides of the left and right rails 3 that support the slide limiter 6 6 and the stop position of the slide limiter 6 6 after the filter plate 4 is closed, there are two upper and lower sections respectively. Rail stopper 9 2. On the left and right side walls of the slide stopper 6 6, recessed portions 6 6 b are formed at positions corresponding to the track stopper 9 2 when the slide stopper 6 6 runs on the track 3 It will not be hindered by these rail stops 8 4. In addition, support portions 6 6 a protruding from the side wall to the left and right are formed above and below these recessed portions 6 6 b. When the piston rod 8 8 of the cylinder 8 5 is stopped and opened and closed When extended, the stop lever 8 7 will swing toward the center of the slide limiter 6 6 and avoid it. Position, that is, the stop lever 8 7 will not overlap with the depression 6 6 b, avoiding the position not blocked by the track stop 9 2. When the piston rod 8 8 is contracted when it is extended, the stop lever 8 7 will swing toward Outside, it is in the stop position, that is, the stop lever 8 7 will overlap the support portion 6 6 a and the recessed portion 6 6 b and hang from the position blocked by the track stop 9 2. The slide limiter 6 is printed. When the filter plate 4 is closed, the piston rod 8 8 which stops the opening and closing cylinder 8 5 is extended during the process of running on the track 3 forward, and the stop rod 8 7 is kept in the avoiding position, and the track stop 9 2 is passed. After the slide limiter 6 6 stops at the position shown in FIG. 2 8, the piston rod 8 8 of the stop opening and closing cylinder 85 is contracted, Move the stop lever 8 7 to the stop position. As a result, the stop lever 8 7 will be inserted into the support portion of the track stop 9 2 and the slide limiter 6 6 of the track 3. This paper standard applies to the Chinese National Standard (CNS) A4 specification (210X297 mm) '' -26- 553758 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 V. Invention Ming (2: ί 6 6 a, so the slide limiter 6 6 cannot be moved backward. The liquid supply pipe 9 3 shown in Fig. 2 7 is arranged on the upper part of the front sliding head 5, as shown in Fig. 1, The dope supply hose 9 6 is connected to the dope supply pipe 95 arranged along the rail 3 through the dope supply hose 9. Before pressing the dope from the dope supply pipe 95 to the filter chamber 59, the traction chain is made as described above. 7 1 is running and the front sliding head 5 and the sliding limiter 6 6 are moved backward and forward respectively. After the stern plate 4 is closed, the filter plate 4 is strengthened and clamped. This reinforced clamping operation is performed by locking the stop levers 7 9 and 8 7 of the front slider 5 and the slide limiter 6 6 to the track stops 8 4 and 9 2 of the track 3, respectively. When the slide limiter 66 is unable to move forward and backward, the rear slide head 6 is advanced by the piston 6 8 of the clamp cylinder 6 7 of the slide limiter 6 6 to perform the tightening clamping operation. The front slider 5 and the slide limiter 6 6 are locked to the rail stops 8 4 and 9 2 of the rail 3 by their respective stop devices. Therefore, even if they are pressed into the filter chamber 5 9 When the stock solution is dehydrated, it can maintain a strong clamping state. In addition, by using this stopper, the closing of the plate requires the movement of the previous slider 5 and the slide limiter 66, and the reinforcing clamping operation of the filter plate 4, which can be performed by individual actuators. Therefore, the stroke of a high-pressure clamping device such as a cylinder can be shortened, and the cost can be reduced. After the filter plate 4 is closed and the clamping operation is performed, the liquid supply pipe 9 3 of the front sliding head 5 is pressed into the original liquid. At this time, as shown in FIG. 21, the liquid supply pipe 9 3 is connected to the raw liquid supply pipe 9 of the filter plate 4 and the raw liquid supply pipe 57 of the liquid supply plate 5 6, so they are pressed in. The original solution is the standard of China Paper (CNS) A4 (210X297 mm), which is the standard of this paper. ---------- Fei Yi ------ II ------ 0 (please first Read the precautions on the back and fill in this page} -27- 553758 A7 _ B7___ • 5. Description of the invention (24) (Please read the precautions on the back before filling out this page) Pass the liquid supply channels 5 6 of each liquid supply plate 5 6 8. Distribute and supply in the filter chamber 59 formed in the filter plate 4. The raw liquid supplied in the filter chamber 59 is thereafter solid-liquid separated by the filter cloth 50. The filtrate flows through the third The filter layer 4 b of the filter plate 4 shown in the figure is discharged from the suppressor 18 through the discharge hole 10 to the communication pipe portion 1 1, and then is discharged to the outside of the filter press through the discharge channel 12. The membrane plate 20 in the filter press of the plate 4 and the membrane plate 20, and the filtrate, passes through the filter layer 2 8 b of the membrane 2 8 shown in Fig. 10 and passes from the discharge portion 3 3 through the discharge hole 2 3 Discharge in the connecting pipe section 2 4 and pass through The discharge channel 12 is discharged out of the filter press. The diaphragm plate 20 is the water supply channel 3 from the pressure water pipe part 2 of the core plate 21 through the water supply hole 2 5 and the pressurized water is supplied to the diaphragm 2 8 On the back of the membrane, the diaphragm 2 8 is expanded, and the dehydrated filter cake in the filter chamber 59 separated by the solid-liquid separation of the filter cloth 50 is pressed again. The filtrate at this time also flows through the filter layer 2 8 b of the diaphragm 2 8. The discharge section 3 3 discharges into the discharge channel 1 2 of the communication pipe 24. It is printed by the consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs and then passes through the air inlet 2 7 a of the support arm 2 7 of the core board 2 1 through the air intake. The hole 2 7 b supplies compressed air to the back of the diaphragm 2 8 so that the back of the membrane 2 8 and the pressurized water in the water supply channel 35 of the pressure water pipe part 26 are pushed out of the filter press. Next, as As shown in FIG. 25, the compressed air supply from the raw liquid supply pipe 9 connected to the closed filter plate 4 and the raw liquid supply pipe 57 of the liquid supply plate 5 6 is provided at the upper part of the rear slider 6 The blow pipe 9 6 sends compressed air, so that the raw liquid remaining in the raw liquid supply pipes 9 and 5 7 is pushed out. This paper standard applies the Chinese National Standard (CNS) A4 specification (210 X297 mm) -28-553758 A7 B7 V. Description of the invention (y (Please read the precautions on the back before filling this page) Outside the filter. A part of the compressed air that is sent in is through the liquid feed The liquid supply channels 5 8 of the plate 56 are distributed and supplied to each of the filtering chambers 59. Thereby, the residual moisture of the dewatering filter cake in each of the filtering chambers 59 is pushed out of the filter cloth 50 to make the filter cakes more dehydrated. . After the filtration and dehydration step described above is completed, the clamping cylinder of the slide limiter 66 is started to cause the rear slide head 6 to retreat to release the clamping of the filter plate 4. After the clamping is released, the traction chain 7 is operated to move the front sliding head 5 and the sliding limiter 6 6 once to move backwards and forwards, that is, to move them in a direction approaching each other, and then to open and close the cylinders 7 7 and 7 8 5 is extended, and the stop levers 7 9 and 8 7 are moved from the stop position to the avoidance position. Then, run the traction chain 7 1 again to advance the front slider 5 and the slide limiter 6 6 to the front and back respectively, and open the filter plate 4. The Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs has printed the front sliding head 5 and the sliding limiter 60 to 60% respectively before moving the stop levers 7 9 and 87 to the avoiding position. Advance to reduce or eliminate the contact pressure between the stop lever 79 and the track stop 84 and between the stop lever 87 and the track stop 92, because the movement resistance of the stop lever 79 and 87 is reduced, Therefore, the capacity of each of the stop opening and closing cylinders 7 7 and 85 can be reduced. After the filter plate 4 is opened, the filter cloth driving machine 6 2 shown in FIG. 1 is started to rotate the slide shaft 4 4. Thereby, the filter part driving shaft 39 connected to the sliding shaft 44 is rotated, and the sprocket 40 embedded in both ends thereof and the driving chain 5 2 hung on the sprocket 40 are interposed, One of the pair of filter cloths 50 shown in FIG. 21 is lowered between the opened filter plates 4. At this time, the size of the paper is applicable to the Chinese National Standard (CNS) A4 (210X297 mm) -29- 553758 A7 B7 V. Description of the invention (g The dewatered filter cake in the filter room 5 9 is the filter cloth 5 0 -It rises and falls between the filter plates 4 and peels off the filter cloth 50 when the filter cloth 50 is reversed on the return roller 46 respectively. After the filter cake is peeled off, the filter cloth 50 forms a row with One of the pair of filter cloths 50 adjacent to the filter chamber 5 2 is simultaneously pulled up by driving the chain 5 2 and rises between the filter plates 4. At this time, since the filter cloths 50 overlap each other and face each other The original liquid side filter surface, so the filter cake attached to the filter cloth 50 will not contaminate the filter plate 4. Since all the filter cloths 50 in the parallel filter plates 4 are operated together, the filter cloth 50 The filter cake is automatically discharged during the period, so the time required for the cake discharge operation can be shortened. When the filter cloth 50 is reversed on the return roller 46, the washing water is sprayed from the washing water pipe 47 to the filter cloth. The measuring surface of the 50 original liquid is measured. This can eliminate the blockage of the filter cloth 50 filter. At this time, the washing water is sprayed from the nozzle 4 8 to the return roller 4 6 As a result, the filter mud adhered to the return roller 4 6 is washed. As described above, the filter cloth 50 can be washed without removing the filter cloth 50, so it can be pressed without reducing the filtration efficiency. The continuous operation of the filter. Figure 30 shows another embodiment of the return roller 46 arranged below the filter plate 4. In this embodiment, the inside of the return roller 46 is inserted into the A heating rod 9 7 for a heating device. A connector 9 8 connected to the heating rod 9 7 is connected to both ends of the return roller 46, and the connector 9 8 is connected to the heating rod 9 7 via the connector 9 8. There are cables 9 9. The paper size of the cable is applicable to the Chinese National Standard (CNS) Α4 specification (210 × 297 mm) · 1-- (Please read the precautions on the back before filling this page)

Printed by 1T Consumer Cooperatives of Intellectual Property Bureau of the Ministry of Economic Affairs -30- 553758 A7 __B7_ V. Description of the invention (j 9 9, is the number of return rollers 4 and 6 across the adjacent filter plate 4, so that the filter plates are juxtaposed. All the returning rollers of 4 4 6 electric heating rods 9 7 are connected in a row. (Please read the precautions on the back before filling this page) For a filter press that handles highly viscous raw liquids such as grease, just put the back Heating the roller 46 to a temperature above the melting point of the solids contained in the processing solution can melt the solid adhered to the return roller 46 and prevent the filtrate from solidifying on the return roller 46. To maintain the true roundness of the return roller 46, to prevent the wrinkles and breakage of the filter cloth 50 caused by meandering. In addition, because the solids attached to the return roller 46 can be melted, the filter can be eliminated The filter gap of the cloth 50 is blocked. As shown in FIG. 31 and FIG. 32, the abnormal operation detection device of the cloth is provided with a light projector 100 arranged at the upper end of the rear frame 2 and arranged in front. The upper end of the frame 1 is a photo tube or the like that receives light projected from the light projector 100. The optical device 101 and the detection rod 10 and the like configured to shield the projected light when the filter cloth 50 is lowered, etc. As shown in FIG. 32, the detection rod 1 02 is supported to be shaken freely in the trailer. 1 0 3. At the base end of the detection rod 1 0 2, there is a short tube section inserted into a flat plate 1 0 3 a mounted on the end of the trailer 1 0 3 a. The employee of the Intellectual Property Bureau of the Ministry of Economic Affairs Printed by the consumer cooperative 1 0 2 a. On the side of the short tube part 1 0 2 a, at the position where the detection rod 1 2 becomes the lower end when standing vertically, it is provided with a thickness wider than the flat plate 1 0 3 a and larger than the flat plate 1 0 3 a wide and narrow slit 1 0 2b. When the detection lever 1 0 2 is installed on the trailer 10 3, the detection lever 1 0 2 is in a vertical standing state, and the flat plate 1 0 3 a After passing through the slit 1 0 2 b, the detection lever 10 2 is rotated around the central axis of the short tube portion 1 0 2 a. Since the width of the slit 1 0 2 b is larger than that of the flat plate 1 0 3 a Paper size applies Chinese National Standard (CNS) A4 specification (210X297 mm) -quot; " -31 · 553758 A7 B7 V. Description of invention (y (Please read the notes on the back before filling this page) The width is also narrow, therefore As long as the detection rod 1 〇2 is not vertical, the short tube portion 10 2 a will not be separated from the flat plate 1 〇3 a. When the detection rod 1 〇2 is to be removed from the carriage 103, the detection rod 1 After the 〇2 turns into a vertical position, take the flat plate 1 0 3 a off the seam 1 〇 2 b, and then pull out the detection rod 10 2 from above. At the middle of the detection rod 10 2, a round rod is bent. Inverted U-shaped lifting rods 1 0 4. At both lower ends of the lifting rod 104, a filter cloth hanging shaft abutment portion 1 0 4a for abutting the upper part of the filter cloth 50 on the filter cloth 50 is provided, and a top portion 4 of the filter plate 4 is provided. e The filter plate contact portion 1 0 4 b to be contacted. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs When the filter cloth 50 is at the upper limit position, the filter cloth hanging shaft abutment portion 1 0 4 a will abut the upper filter cloth hanging shaft 5 1 to keep the detection lever 1 0 2 at the upper limit position. When the filter cloth 50 is lowered, the detection lever 10 2 is tilted by its own weight while maintaining the contact of the filter cloth hanging shaft abutment portion 104a with the upper filter cloth hanging shaft 51. The filter plate abutment portion 10 4 b finally abuts on the top upper portion 4 e of the filter plate 4 to stop the detection lever 1 0 2. After that, even if the filter cloth 50 continues to fall, the detection lever 10 2 remains at the lower limit. position. When the filter cloth 50 is raised after the filter cake is discharged, the filter cloth hanging shaft abutting portion 1 0 4 a will again abut the filter cloth hanging shaft 5 1 above the filter cloth hanging shaft 5 1 to make the detection lever 1 0 2 Raise from the lower limit position to the upper limit position. In addition, the lifting lever 104 is formed above the filter cloth driving shaft 3 9 so that the detection lever 1 〇 2 is shaken between the upper limit position and the lower limit position by lifting the filter cloth 50 as described above. , Will not obstruct the filter cloth drive shaft 3 9. In addition, when the detection lever 1 0 2 is erected vertically, because this paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -32- 553758 A7 B7 V. Description of the invention (the lifting lever 1 0 4 also The filter cloth drive shaft 39 will be obstructed, so it is easy to remove the test rod 1 0 2 when replacing and inspecting the filter cloth 50. (Please read the precautions on the back before filling this page) On the test rod 1 The front end portion of 0 2 is provided with a light shielding plate 1 0 5 for shielding the projection light irradiated by the light projector 1 0 0. The light shielding plate 1 0 5 is provided to cover the detection lever 1 0 2 when it is positioned below the specified position. The projected light does not block the projected light when the detection lever 1 2 is above the specified position. After the filter cake is discharged, when all the filter cloths 50 and the detection lever 1 0 2 return to the upper limit position normally, the light emitter 1 0 0 The irradiated projected light will not be shielded by the light shielding plate 105, but will be projected on the light receiver 110. As any abnormality occurs, as long as one filter cloth 50 is not raised, the detection rod 1 〇2 is located more than specified When the position is still below, the light projected by the projector 1 0 0 will be blocked It is shielded by 1 0 5 and is not projected on the light receiver 1 0. By this, abnormal operation of the filter cloth 50 can be detected before the closing of the filter plate 4, so the upper filter cloth hanging shaft 5 1 or the lower filter can be prevented in advance. The cloth hanging shaft 54 is sandwiched between the filter plates 4 and other accidents occur. As shown in Figure 1, below the juxtaposed filter plates 4, there is a printed filter cloth printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Drain tray 1 0 6 for washing and draining water of 50, and the drainage water received by drip tray 1 0 6 flowing into its groove, and then guided to the washing water drainage groove outside the filter press 1 0 7 The drip tray 106 is composed of a right drip tray 1 06 a and a left drip tray 1 06b as shown in FIG. 33. The opening and closing operation of the left and right drip trays is provided with a crank arm 1 1 0 and 1 1 1 and elastic screw clasp 1 1 2 and adjusting rod 1 1 3 and 1 paper rule ^ Applicable to China National Standard (CNS) M specification (21〇297297 mm) • 33- 553758 A7 ____B7_ V. Invention Explanation (3 () 1 1 4 and the opening and closing connecting rod mechanism of the disc opening and closing cylinder 1 1 6 and piston 1 1 7 etc .. (Please read the precautions on the back first (Fill in this page again) The right drip tray 1 0 6 a is connected to the support shaft 108 supported by the front frame 1 and the rear frame 2. The left drip tray 106 b is also the same as the right drip tray 1 0 6 a Is connected to the support shaft 10 supported by the front frame 1 and the rear frame 2. The support shaft 108 is fixed to extend upward from the support shaft 108 and inwardly in the width direction of the filter press.的 crank arm 1 1 0. A crank arm 1 1 1 is fixed to the support shaft 1 0 9 and extends upward from the support shaft 10 9 and toward a wide direction of the filter press. At these crank arms 1 1 0 and 1 1 1, the pivots then swing freely to the left and right adjustment levers 113 and 114 provided with the elastic screw buckle 1 1 2. When the left and right drip trays 1 0 6 a and 1 0 6 b are closed, the right drip tray 1 0 6 a has a crank arm 1 1 0 and an adjustment lever 1 1 3 at a pivot joint 1 0 8 a Is the position above the support shaft 1 08 and inward in the wide direction; the pivot joint 1 1 1 of the left drip tray 1 0 6 b and the adjustment point 1 0 4 of the adjusting lever 1 0 9 a, It is located on the support axis of the Intellectual Property Bureau of the Ministry of Economic Affairs and printed on the consumer cooperative of the company. The crank arm 111 is shorter than the crank arm 110. That is, the distance between the support shaft 109 and the pivot contact point 10a is shorter than the distance between the support shaft 108 and the pivot contact point 108a. At the middle part of the crank arm 1 10 of the right drip tray 1 0 6 a, the disk opening and closing cylinder 1 16 and the piston 1 1 7 are pivotally connected. The disc opening and closing cylinder 1 1 6 is a hanger set to hang freely and hung on the front frame 1 and the rear frame 2. The paper size applies to the Chinese National Standard (CNS) A4 (210 X 297 mm) -34- 553758 A7 B7 V. Description of the invention (31) 1 1 5 down. When the disc opening and closing cylinder 1 1 6 is extended to perform the drip tray 1 ο 6 @ ίτ opening operation, as shown in FIG. 3 4A, the right drip tray 1 0 6 a and the left drip tray 1 〇 6 b will rotate clockwise $ in the figure at the same time. As a result, the front end of the filter press wide towel 畐 of the right drip tray 1 06 a is lowered, and the front g ^ of the left drip tray 10 6 b is raised. Then extend the cylinder to open and close the cylinder 1 16 again. When the pivot joint 1 0 8 a Y falls beyond the connecting line between the support shaft 108 and the pivot joint 1 0 9 a, as shown in Figure 3 4 B, the water drips to the left. Platter 〇6 b will reverse the direction of rotation and begin to rotate counterclockwise in the figure. The right drip tray 1 0 6 a will continue to rotate clockwise in the figure. As a result, the front end portion of the left drip tray 1 0 6 b starts to fall, but at this time, the front end portion of the right drip tray 1 0 6 a will avoid rotation so as not to obstruct the front end of the left drip tray 1 0 6 b The angular position of the part. When the cylinder 1 16 is opened and closed again, the right drip tray 1 06 a and the left drip tray 1 06 b will continue to rotate clockwise in the figure and counterclockwise in the figure, respectively. Since the distance between the support shaft 1 0 9 and the pivot joint 1 0 9 a is shorter than the distance between the support shaft 10 8 and the pivot joint 1 0 8 a, the left drip tray 1 0 6 b The rotation will be faster than that of the right drip tray 1 0a. When the disc opening and closing cylinder 1 16 reaches the end of the stroke, as shown in Figure 3 4C, the right drip tray 1 0 6 a and the left drip tray 10 6 b will open at the same angle, ready to discharge the filter cake. This paper size applies to China National Standard (CNS) A4 specification (210X29 * 7mm) „--- • Approval — (Please read the precautions on the back before filling this page) Printed by the cooperative-35- 553758 A7 B7 V. Description of the invention (After the 3i filter cake is discharged, the closing operation of the shrink tray 1 1 6 and the drip tray 10 6 are closed, and the opposite action will be performed. Please read the precautions on the back before filling in this page.) Also, as shown in Figure 33, the front end of the filter press in the width direction of the right drip tray 1 0a is installed with the front end bent upward. The closing plate 1 0 6 c. On the other hand, the closing plate 1 0 6 d is installed at the front end of the filter in the width direction of the left drip tray 10 6 b. When the drip tray is closed It is on the closing plate 1 0 6 c that covers the right drip tray 1 0 6 a, and its front end is bent lower than the front end of the closing plate 1 06 c. With the above-mentioned opening and closing link member, due to dripping water, Platter 1 0 6 rotates while pinching the relative angular position during opening and closing. Therefore, The closing plates 1 06 a and 1 06 b at the front end of the left and right drip trays 1 06 a and 1 06b are capable of being punched into each other without hindering each other. The filtering steps of the filter press according to the embodiment of the present invention constructed as described above (1) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs of the Closed Board, using a filter cloth composed of a light projector 100 and a light receiver 101, etc., to confirm that the filter press is hoisted The filter cloth 50 is the prime mover 7 5 for driving the filter press switch after the designated position, and the endless traction chain 7 1 connected to it is operated. The front sliding head 5 and the slide limiter connected to the traction chain 7 1 6 6. While moving in the direction of approaching each other, clamp the opened filter plate 4 side by side from the front and back. Then the front slider 5 and the slide limiter 6 6 will move to the designated position, and the filter paper will be detected. Standards are applicable to Chinese National Standard (CNS) A4 specifications (210X297 mm) -36- 553758 A7 B7 V. Description of the invention (3d After the plate 4 has been closed, stop the prime mover 7 5. (Please read the notes on the back before filling (This page) (2) Before the stop is started The stopper of the moving head 5 and the slide limiter 6 6 opens and closes the cylinders 7 7 and 8 5, and the stopper levers 7 9 and 8 7 are locked to the rail stoppers 8 4 and 9 2 of the rail 3. This makes the front slide The head 5 and the slide limiter 6 6 ′ cannot be moved backward and forward, respectively. (3) The clamping cylinder 6 7 clamped to the slide limiter 6 6 advances the rear slide head 6 and filters the closed plates in parallel. The plate 4 is clamped again. (4) For the filter chamber 5 9 formed by a pair of the filter plate 4 and the filter cloth 50, the raw liquid is fed from the liquid supply plate 5 6 through the raw liquid supply pipe 9 of the filter plate 4. The feed channel 5 8 is pressed into the filter chamber 59 between the filter cloths 50. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs (5) Filtering the raw liquid pressed into the filter room 5 9 is filtered by the filter cloth 50 to separate the filter cake captured between the filter cloth 50 And the filtrate discharged outside the filter press. The filtrate flows into the communication pipe 11 through the filter layer 4b of the filter plate 4, and is discharged to the outside of the filter press through the discharge channel 12 formed in the communication pipe portion 11 of the parallel filter plate 4. This paper size applies Chinese National Standard (CNS) A4 specification (210X297 mm) 37- 553758 A7 _____B7 V. Description of the invention (34) (6) Pressing (please read the precautions on the back before filling this page) are alternately listed In the filter press for the filter plate 4 and the diaphragm plate 20, pressure water is supplied between the diaphragm 28 and the core plate 21 to expand the diaphragm, and the filter cake remaining in the filter chamber 59 is pressed and dehydrated. The pressed filter cake is left in the filter chamber 59, and the filtrate is discharged out of the filter press. (7) After the residual liquid of the original liquid is discharged and squeezed, pressurized water and compressed air are sent to the original liquid supply pipes 9, 5 7 of the filter plate 4 and the liquid supply plate 5 6 so that the original liquid remaining in the original liquid supply pipes 9, 5 7 is forced. Out of the filter press. (8) Draining the filter press with the diaphragm plate 20 is to convey compressed air between the diaphragm 28 and the core plate 21, and the pressure water supplied for the expansion of the diaphragm 28 is forcibly discharged out of the filter press. . (9) The blowback printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs prints again the raw liquid supply pipes 9, 5 7 of the filter plate 4 and the liquid supply plate 5 6 to send compressed air so that it remains on the surface of the filter cloth 50 and the filter plate 4 The filtrate and water on the surface of the filter layer 4b and in the raw liquid supply pipes 9, 5 and 7 are forcibly discharged out of the filter press. (1 0) Opening plate The starting plate opens and closes the cylinder 1 1 6 and opens the drip tray 1 106. This paper size applies to China National Standard (CNS) A4 (210X 297 mm)-38- 553758 A7 B7 V. Description of the invention ((11) Release the clamp of the filter plate and start the clamp installed on the slide limiter 6 6 The cylinder 6 7 moves the rear slider 6 back. (12) When the stopper clamp is released, once the prime mover 7 5 is driven, the front slider 5 and the slide limiter 6 6 are moved toward each other. Start stop opening and closing The cylinder 7 7 retracts the stop levers 7 9 and 8 7 of the front sliding head 5 and the slide limiter 6 6 away from the track stops 8 4 and 9 2 of the track 3, so that the filter plate 4 can be opened. (1 3) Open the plate with the prime mover 7 5 for the filter press switch to run the endless traction chain 7 1 to advance and retreat the front sliding head 5 and the slide limiter 6 6 to open the filter plate 4. (1 4) Discharge the filter cake and start the filter cloth The driver 62 runs the filter cloth 50 suspended on the filter plate 4 at the same time, and discharges the filter cake caught between the filter cloths 50. (1 5) Closed disk start disk opens and closes the cylinder 1 1 6 and closes the dripping water Serving plate 1 0 6. This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)! I —--In — ji I I (Please read the precautions on the back before filling this page}-Ordered by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs-39- 553758 A7 __B7 V. Description of the invention ((1 6) Wash the filter cloth (please read the back first Please note this page and fill in this page again) While running the filter cloth 50, spray the washing water from the washing water pipe 47 and the nozzle 4 8 provided under each filter plate 4, and hang the filter cloth 50 and the roll back. The return rollers 46 with filter cloth 50 are cleaned. In the above embodiment, a plurality of filter plates 4 are juxtaposed on the rail 3 supported and supported by the front frame 1 and the rear frame 2. The filter layer 4 b is provided with a pair of filter cloths 5 0 to form a filter chamber 59. The filter plates 4 are connected by a travel chain 8 as a filter press that can be opened and closed. The thick layer 4 b of the filter plate 4 is hung. A pair of rectangular filter cloths 50, the upper end edge 50a of which is co-authored as the sleeve of the filter cloth hanging shaft 51 in the upper part of the filter plate, and the lower end edge 50b of the filter cloth 50 The sleeve for the lower filter cloth hanging shaft 5 4 can be lifted and lowered freely, and a liquid guide hole 5 5 is provided at a designated position near the upper filter cloth hanging shaft 5 1. Ministry of Economy Printed by the Intellectual Property Cooperative of the Intellectual Property Bureau, when the liquid supply plate 5 6 is installed in the original liquid guide hole 5 5 of the filter cloth 5 0, the upper filter cloth hanging shaft 5 1 and the lower filter cloth hanging shaft 5 4 are installed on the filter cloth 5 When the upper and lower edges of 0 are 0, the filter cloth 50 can be operated to discharge the filter cake in the filter chamber 59, and the filter cloth can be moved downward, and the time required is very short. Even if the filter cloth 50 is partially damaged, it is only necessary to replace the rectangular filter cloth 50 suspended on the filter layer 4 b of the filter plate 4, which is economical. In addition, in this embodiment, the liquid supply plate 56 is fixed to a pair of filter cloths 50 suspended from the filter plate 4, and the liquid supply plate 5 6 is formed on the filter plate 4 through the filter cloth 50. At the same time as the recessed recess 4 c is fitted, in the state that the front and rear filter plates 4 are closed, the original paper supply pipe 9 and the liquid supply plate 5 6 of the filter plate 4 are connected to the Chinese paper standard (CNS) A4 (210X297). Mm) -40- 553758 A7 _B7 V. Description of the invention (37 ^ original liquid supply pipe 57, from the liquid supply channel 5 8 provided on the liquid supply plate 5 6 to the filter room 5 9 between the filter cloth 50 0 The supply circuit of the raw liquid. According to this configuration, the raw liquid can be supplied from the raw liquid supply pipe 9 of the filter plate 4 to a pair of filter cloths 50 in the clamped state of the juxtaposed filter plates 4, so it can be formed in the filter. The solid-liquid separation is performed on the filter cloth 50 of the filter chamber 5 9 on the filter layer 4 b of the plate 4. When the juxtaposed filter plate 4 is opened, the filter cake generated in the filter chamber 5 9 can be filtered from the filter. The cloth 50 is peeled off. Furthermore, in this embodiment, the upper edge of the pair of filter cloths 50 suspended from the filter layer 4 b of the filter plate 4 is fixed to the upper filter cloth hanging shaft 51. Upper filter cloth hanging shaft 5 1 The driving chain 5 2 connected at both ends is hung on the sprocket 40 provided on the upper part of the filter plate 4, and the lower part of the filter cloth 50 is rolled back from the approaching direction to the distant direction. A pair of returning rollers 46 arranged below the filter plate 4 is mounted on the lower filter cloth hanging shaft 5 4 so that the lower filter cloth hanging shaft 5 4 and the lower filter cloth hanging shaft 5 4 of the adjacent filter cloth 50 are installed. It is freely connected to the drive chain 5 2. According to this structure, as long as the filter cloth 50 is driven downward, the filter cake discharge operation is automatically performed. After peeling off the filter cake, it is guided to be reversed on the return roller 46. Since the filter cloth 50 and the adjacent filter cloth 50 are in contact with each other's filtering surface, the remaining filter cake attached to the filter cloth 50 will not contaminate the filter plate 4. Next, in this embodiment, the above The driving device of the filter cloth is composed of: a filter cloth driving shaft 3 9 with an input helical gear 4 2 horizontally embedded at the upper end of the filter plate 4 at the shaft end; and an output slant that keeps a chewed state with the input helical gear 4 2 at all times. Paper size applies to China National Standard (CNS) Α4 specification (210X297 mm) --------_ ^ —— (Please read the back first (Notes for filling in this page)

1T J0 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -41-553758 A7 —__ B7 V. Description of the invention ((Please read the precautions on the back before filling this page) Gear 43; Supported and erected on the front frame 1 and rear The frame 2 is formed with a sliding shaft 4 4 which is not rotatable with the output helical gear 4 3, and is fitted with a sliding shaft 4 4 which can be slid freely. In this configuration, as long as the furnace cloth drive shaft 39 connected to the pair of sliding shafts 4 and 4 is driven back and forth to the required amount, the filter cloths 50 between the parallel filter plates 4 can be operated together to generate the filter cloths 5 Filter cakes between 0 can be discharged under the filter plate 4. The filter cake discharge operation can be easily performed to shorten the required time. Furthermore, in this embodiment, the filter cake is connected to the upper filter cloth hanging shaft 51. The driving chain 5 2 is fixed to the tension bolt 5 3, and the tension bolt 5 3 is engaged in the groove 60 0 a provided on the horizontal portion of the hook 60 formed in an inverted L shape so as to be adjacent to the filter. The lower filter cloth hanging shafts 5 4 of the front and rear filter cloths 50 of the plate 4 are respectively locked on the hooks 6 0 vertically A pair of hook grooves 6 0 c are provided. When printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs according to this structure, as long as the locking screw in the groove 6 0 a of the hook 60 is equipped with a tension bolt 5 3 The filter cloth 50 is hung between the filter plates 4. From the side of the juxtaposed filter plates 4, the lower filter cloth hanging shaft 5 4 is locked on the hook groove portion 60 c of the hook 60, and the The filter cloth 50 is suspended between the filter plates 4. Next, in this embodiment, a pair of returning rollers 46 and a washing water pipe 47 are respectively supported and suspended under the lower ends of the filter plates 4 on both sides. A pair of bottom shaft hardware 4 5 is provided with a washing water tube 4 7 below the reversal position of the filter cloth 50 which is hung on the return roller 4 6, and the paper size of the reversed filter is applicable to China National Standard (CNS) A4 Specification (210 > < 297 mm) -42-553758 A7 B7 V. Description of the invention (Bottom shaft hardware 4 near the back of the cloth 5 0 with a nozzle 4 8 facing the return roller 4 6 (Please read the precautions on the back before filling in this page) According to this structure, the filter cloth 50 can be cleaned while the filter cloth 50 is running without having to remove the filter cloth 50 from the filter plate 4. The continuous operation can be performed without reducing the filtration efficiency. Furthermore, in this embodiment, a heating device 97 is provided to the return roller 4 6 with which the filter cloth 50 is wound up. During construction, as long as the viscous dope is heated to the melting point of the separated solids, the filter slit of the filter cloth 50 can be prevented from blocking, and it will not be attached to the return roller 46, so that the return Rollers 46 can maintain true roundness and prevent wrinkles and breakage of filter cloth 50 caused by meandering of filter cloth 50. Next, in this embodiment, a drain hole 10 communicating with the filter layer 4 b is provided in the sealing surface 4 a of the filter plate 4, and the drain hole 10 is opened to protrude from the side wall of the sealing surface 4 a. The communication pipe portion 1 1 is provided so that the communication pipe portion 11 of the filter plate 4 which performs a majority of the closed plates forms a drainage channel 12 for discharging filtrate. When printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs according to this structure, the filtrate discharge hose that would cause obstacles when the filter plate 4 is opened and closed can be eliminated, the number of parts can be reduced, and maintenance can be easier. Furthermore, in In this embodiment, the above-mentioned filter plate 4 is made of synthetic resin, and the reinforced iron piece 15 with a cross-section shape that holds the core 16 is pressed into the shoulder of the filter plate 4 and the reinforced iron piece 15 is concluded. While the front and rear side walls are fixed to the filter plate 4, the supporting frame is provided with a top shaft of the filter cloth driving shaft 39. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) -43 · 553758 A7

V. Description of the invention (4 () 3 6 is fixed on the iron core 16 held by the reinforced iron piece 15. (Please read the precautions on the back before filling this page}) According to this structure, even the filter plate 4 Due to the repeated repeated loading of the filter cloth driving shaft 39 for a long time, the joint portion of the top shaft hardware 36 will not loosen, so as to strengthen the iron parts 15 and the core 16 to maintain the rigidity of the filter plate 4. While exhibiting the lightness and chemical resistance that are characteristic of synthetic resins, the strength of the filter plate 4 can be ensured, the weight of the filter plate 4 can be reduced, and the filter press can be increased in size. In the example, a suppressor 18 having a plurality of passage holes 1 8 b is fixed to the lower edge portion of the filter plate 4 of the synthetic resin material, and the passage holes 1 8 b of the suppressor 18 are connected to the filter plate 4. The drain hole 10 provided in the filter layer 4 b and the sealing surface 4 a of the filter layer 4 is mounted on the inner peripheral surface of the communication pipe portion 11 facing the drain hole 10 of the filter plate 4 and has abrasion resistance. In this configuration, the suppressor 18 is provided in the drainage part of the filter layer 4 b which is easy to grind in the filter plate 4, so that even the inorganic Fine particles are mixed in the filtrate, and the filter plate can be protected as long as the wear suppressor 18 is replaced. 4 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The abrasion of the communicating pipe portion 11. In addition, in this embodiment, the one before and after the juxtaposed filter plate 4 is a diaphragm provided with a diaphragm 2 8 on the core plate 21 of a synthetic resin material. It is composed of a plate 20, and a plurality of discharge grooves 3 3 a provided at the lower edge of the diaphragm 2 8 are connected to the filter layer 2 8 b of the diaphragm 2 8 and the installation of the core plate 2 1 This paper is in accordance with Chinese national standards (CNS ) A4 specification (210X297mm) -44- 553758 A7 ____ _B7 V. Description of the invention (41) Drain hole 2 in surface 2 1 a. (Please read the precautions on the back before filling in this Page) In addition, a square insert 30 with screw holes at both ends is inserted into the mounting surface 2 1 of the core plate 21 above, and the diaphragm 2 installed on both sides of the core plate 2 1 is clamped with the clamping bolt 3 1 The peripheral edges 2 8 a of 8 and 2 8 are screwed to the insert 30. According to this structure, the diaphragm plate 20 is lightened. The volume can make the filter press larger, and it can also be used for special waste liquids such as chemical treatment. When the diaphragm 2 8 is expanded, the clamping bolts 31 are held by each other except that the diaphragm 28 can be firmly fixed. In addition to the core plate 21, the clamping bolt 31 can be screwed into the insert 30 from both the front and back surfaces of the diaphragm 28, so there is no need to firmly drive or cast the clamping bolt 31 into the core plate. In 21, the production cost in terms of structure can also be made cheaper. It is printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Secondly, in this embodiment, front ends of the filter plates 4 arranged in parallel are arranged The sliding head 5 and the sliding limiter 6 6 connect endless traction chains 7 linked to the prime mover 7 5 on the front frame 1 and the rear frame 2, and the running parts of the traction chains 7 1 opposite to each other The front sliding head 5 and the sliding limiter 6 6 are fixed, and the juxtaposed filter plates 4 are opened and closed simultaneously from both sides. With this configuration, it is possible to omit a conventional clamping cylinder for opening and closing, and it is possible to open and close the juxtaposed filter plates 4 in half the time required. Compared with the filter press using the conventional clamping cylinder, the length of the filter press with the stroke amount of the clamping cylinder can be shortened. Even when the filter plate is increased, as long as the opening and closing strokes of the filter plate 4 are extended, the size of the filter press can be increased. The paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -45- 553758 Α7 Β7 • V. Description of the invention (β (please read the precautions on the back before filling in this page). In addition, in this embodiment, the front slider 5 and the slide limiter 6 6 are respectively arranged vertically at their respective centers. The stopper opening and closing cylinders 7 7 and 8 5 and a pair of stopper rods 7 9 and 8 7 swinging freely at both ends thereof are connected to the stopper opening and closing cylinders 7 7 by adjusting rods 8 1 and 8 9. 85 and the stop levers 79 and 87 allow the stop levers 79 and 87 to rotate freely. At the same time, rail stops 84 and 92 are arranged on the track 3, and the stoppers provided to the front slider 5 and the slide limiter 6 6 The moving levers 7 9 and 8 7 are in a rotating position. A rear slider 6 is arranged between the above-mentioned sliding limiter 66 and the rear-end filter plate 4, and the sliding limiter 6 is connected by clamping the cylinder 6 7. 6 和 后 滑头 6. According to this structure, when the original hydraulic pressure is inserted into the filter chamber 5 or 9, or when the diaphragm 2 is used, 8 The filter cake produced by high-pressure pressing can be maintained so that it cannot be retracted. Since most filter plates 4 that are locked cannot be retracted, and the clamping operation can be strengthened, it can be maintained during high-pressure pressing with the diaphragm 2 8 Strong clamping state. In addition, because the stroke of the high-pressure clamping device can be shortened, costs can be reduced. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Secondly, in this embodiment, it is on the front frame 1 and the rear frame. 2 • A photoreceiver 101 and a light projector 100 are arranged on the top, and the base end portion of the detection rod 10 is detachably attached to the upper part of the filter plate 4, and the detection rod 10 is lifted up and down. The lever 1 0 4 abuts on the upper filter cloth hanging shaft 51, which is linked to the lifting of the upper filter cloth hanging shaft 51, so that the light shielding plate 1 0 5 provided on the detection lever 1 0 2 crosses the projected light to lift With this structure, when the fascia 4 is opened and closed, the Chinese paper standard (CNS) A4 (210X297 mm) -46 · 553758 A7 B7 can be applied to the paper size of the filter cloth 50. V. Description of the invention (operation Anomaly detection, prevent in advance The upper and lower filter cloth hanging shafts 5 1 and 5 4 were caught in the filter plate 4 etc. (Please read the precautions on the back before filling out this page.) It can be easily replaced or inspected when the filter cloth 50 is replaced. Removing the detection lever 102 will not cause any obstacles in maintenance management. Furthermore, in this embodiment, the left and right drip trays 106a, 16a, which are capable of rotating shafts on the front frame 1 and the rear frame 2 are supported. 106 is arranged below the filter plate 4 and a pair of crank arms 1 1 0 and 1 1 1 fixed on the support shafts 1 08 and 1 09 of the left and right drip trays 10 6 a and 10 6 b are pivotally connected. At the same time as the adjustment levers 1 1 3, 1 1 4 and the pair of left and right drip trays 106a and 106b are in the closed position, the pivot point of one of the crank arms 1 1 0 and the adjustment lever 1 1 3 is arranged at the grip. Open its support shaft 1 0 8 upwards and inward, and the other crank arm 1 1 1 and the adjustment lever 1 1 4 are arranged at a pivot point upwards and outward from the support shaft 109, The suspension cylinder 1 1 6 is hung from the hanger 1 1 5 to swing freely, and the cylinder 1 1 6 is pivotally connected to the middle part of the crank arm 1 1 0. When printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs according to this structure, a pair of drip trays 106 can be pivoted by the link mechanism at relative angular positions, and the front ends can not interfere with each other. . Prevent the washing water or filtrate from dripping out of the drip tray. [Brief description of the drawings] FIG. 1 is a side view of a filter press according to an embodiment of the present invention. Fig. 2 is a side view of the filter plate of the filter press of Fig. 1, showing that the filter plates are connected to each other by a travel chain, and the plate is opened at a certain interval. This paper size applies to China National Standard (CNS) A4 (210X297 mm) -47- 553758 A 7 B7 • V. Description of the invention (44) Figure 3 is the front view of the filter plate of the filter press in Figure 1. Fig. 4 is an enlarged view of a communicating pipe portion of the filter plate of Fig. 3. Fig. 5A is a side view of the seal ring installed in the communication pipe portion of Fig. 4; Fig. 5B is a front view of the seal ring installed in the communication pipe portion of Fig. 4; Fig. 6 is a longitudinal sectional view of the communicating pipe portion of Fig. 4 and shows the state of the discharge channel, the seal ring, and the liner sleeve formed when the plate is closed. Figure 7A is a cross-sectional view of a reinforcing iron piece pressed into the shoulder of the filter plate. Figure 7B is the bottom view of the reinforcing iron piece pressed into the shoulder of the filter plate. Fig. 8 is a front view of a suppressor provided in a filter plate discharge portion. 'Figure 9 is a longitudinal sectional view of the filter plate discharge portion of Figure 3, and shows a cross section taken along the line κ-K of Figure 8. Fig. 10 is a front view of the diaphragm plate of the press of Fig. 1. Fig. 11 is a front view of the core plate of the diaphragm plate of Fig. 10. Fig. 12 is a sectional view of the discharge hole at the lower end of the core plate in Fig. 11 and shows a cross section taken along the line X Π-X Π in Fig. 11. FIG. 13 is a front view of the diaphragm of the diaphragm plate of FIG. 10. Figure 1 4 A is an enlarged view of the discharge part of the diaphragm in Figure 1 3. Fig. 14B is a sectional view of the discharge part of the diaphragm in Fig. 13 and shows a cross section taken along the XIV-XIV section in Fig. 14A. Fig. 15 is a sectional view of the core plate and the diaphragm in a state where the diaphragm plate is installed in Fig. 10; The diaphragm on both sides is fixed to the core plate through a common insert. Figure 16 is a front view of the filter cloth hanging device of the filter press of Figure 1. Indicates that the upper hanging device installed on the upper part of the filter press, and the paper size provided under the filter is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling in · : Write this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs-48- 553758 A7 B7 V. Description of the invention (the lower hanging device of Part y. (Please read the precautions on the back before filling this page) Section 1 7 The figure is a plan view of the upper hoisting device of Fig. 16. It shows the structure of the filter cloth drive shaft, the sliding shaft, and the sliding mechanism casing connecting them. Fig. 18 is the filter press or Fig. 10 suspended from Fig. 3 A perspective view of the filter cloth of the filter layer of the diaphragm plate. Figure 19 is a front view of the liquid supply plate fixed on the 18th filter cloth. Figure 20 is a longitudinal sectional view of the liquid supply plate. A section along the line XX-XX in Figure 1 4 A. Figure 21 is a longitudinal sectional view showing the suspended state of the filter cloth in Figure 18 on the opened filter plate. The filter cloth is suspended through the upper hanging device. The drive chain on the sprocket of the drive shaft makes the upper part of the filter cloth hanging on the return roller of the lower hoisting device. The hanging shaft and the lower filter cloth hanging shaft are connected. Figure 2 2 A is a front view of the hook that connects the filter cloth to the drive chain in Figure 21. Figure 2 2 B is a diagram that connects the filter cloth to the drive chain in Figure 21 Side view of the hook. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Figure 2 3 is a side view of the locked state of the filter cloth hanging shaft in the hook in Figure 2 2. Figure 4 is the front of the filter press in Figure 1. Side view of the sliding head. Figures 2 and 5 are side views of the sliding limiter of the filter press of Figure 1 and the rear sliding head connected to it by the clamping cylinder. Figures 26 and 6 show the opening and closing of the filter press of Figure 1. Side view of the device. It shows that the front sliding head and the slide limiter are fixed in parallel operation of the endless traction chain. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) -49- 553758 A7 B7 V. Description of the invention ( Part β. Figure 27 is Figure 24. Figure 2 is the front view of the sliding head when viewed from the direction of the XXW arrow (please read the precautions on the back before filling in this page). Front view is shown in Figure 28 when the filter plate is closed. The relative position of the stop device of the front sliding head and the sliding limiter and the track stop The explanatory diagram of the relationship. Fig. 29 is the rear view of the slide limiter viewed from the direction of the XXK arrow in Fig. 25. Fig. 30 is another embodiment of the return roller of the lower hanging device in Fig. 16 and shows A partial cross-sectional view of a return roller with a built-in heating rod. Figure 31 is a side view of the filter cloth operation abnormality detection device of the filter press of Figure 1. Figure 3 is a filter cloth abnormal detection of Figure 31 The front view of the main part of the device shows the detection lever that is freely rotatable on the shoulder of the filter plate. Figures 3 and 3 are drip trays and their opening and closing links arranged below the filter plate of the filter press in Figure 1. Front view of the agency. Figure 3, Figure 3A, Figure 3B, and Figure 3C show the opening and closing states of the drip tray in Figure 33. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs [Comparative Table of Main Components] 1 Front frame 2 Rear frame 3 Track 4 Filter plate 5 Front sliding head This paper applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -50 -Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 553758 A7 B7 V. Description of the invention (d 6 rear sliding head 7 locking iron piece 8 movement chain 8a ~ 8c chain link 8d chain rod 4a sealing surface 4b, 28b filter layer 4c, 21c, 28c Concave 9, 22, 29 stock solution supply pipe • 10, 23 discharge holes 11, 24 communicate with pipe section 12 discharge channel 12a filtrate channel 13, 27 support arm 13a, 13b gasket 4d pyramid 14, 21b, 34 Support layer 15 reinforced iron parts 15a mounting holes 15b front wall, rear wall 16 iron core 16a screw holes 17 screws 18 suppressor This paper size applies Chinese National Standard (CNS) A4 specification (210X297 mm) ---- >- -*-· 1 ------ 1T ------ (Please read the precautions on the back before filling out this page) -51-553758 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 5 Description of the invention (d 18a pyramid 18b channel hole 18c mounting hole 18e sealing surface 18f screw surface 18g groove 18h water channel 19 liner sleeve 19a hole 19b recess 19c recess 19 s seal ring 19t seal 19u seam 18d filter layer 20 partition 21 core plate 21a mounting surface 21d lip groove 21e lower side recess 2 5 water supply hole 26 pressure water pipe section 23a opening (discharge hole opening) 27a air inlet This paper size applies to Chinese National Standard (CNS) A4 specification (210X297 mm) ---------- clothing ------ 1T ---- --- (Please read the notes on the back before filling this page) -52- Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 553758 A7 B7 V. Description of the invention (β 27b air inlet hole 28 diaphragm 2 8 a peripheral part 30 Inserts 31 Clamp bolts 32 Lock plate 33 Drain 33a Drain groove 33b Opening (drain opening) 33c Reinforcement cloth 33d Reinforcement belt 35 Water supply channel 36 Top shaft mechanism hardware 3 7 Top shaft hardware 38 Mounting screws 39 Filter cloth Drive shaft 40 sprocket 40a chain guide wheel 40b chain guide plate 41 slide mechanism shell 4 2 input helical gear 43 output helical gear 44 slide shaft 45 bottom shaft hardware This paper size applies to China National Standard (CNS) A4 specifications ( 210X297 mm) ------------------ IT ------ Aw (Please read the notes on the back first (Fill in this page again) -53- 553758 A7 B7 V. Description of the invention (5 () (Please read the precautions on the back before filling this page) Printed by the Intellectual Property Bureau Staff Consumer Cooperative of the Ministry of Economic Affairs 46 Return Roller 47 Washing Tube 48 nozzle 49 take over box 50 filter cloth 5 0 a upper edge 5 0b lower edge 51 upper cloth hanging shaft 52 drive chain 53 tension bolt 54 lower filter cloth hanging shaft 55 raw liquid guide hole 5 6 liquid supply plate 56a steel core 56b T-shaped plate 57 original liquid supply pipe 56c connecting plate 56d connecting iron parts 57 original liquid supply pipe 58 to liquid channel 5 9 filter chamber 60 hook 60a groove 60b locking groove This paper size applies to China National Chestnut Standard (CNS) A4 specification (210X297 mm) -54- 553758 A7 B7 V. Description of the invention (51) (Please read the precautions on the back before filling in this page) 60c slot part 60d horizontal part 60e vertical part 60f opening (hook) 61 nut 62 filter cloth driver 64 , 69, 70 Roller 65 Linking pin 66 Sliding limiter 67 Cylinder 68 Piston 71 Traction chain 72, 73 Sprocket 74 Linking pin 75 Prime mover 76 Driving chain 77, 85 Opening and closing of cylinder 78, 86 support 79 , 87 stop lever 80, 88 piston rod 81, 89 adjustment lever 82, 90 connector 83 elastic screw buckle 84, 92 track stop This paper size applies to China National Standard (CNS) A4 specification (210X297 mm). 55- 553758 A7 B7 V. Description of the invention (β (please read the precautions on the back before filling out this page) 93 feed tube 95 stock solution supply tube 96 stock solution supply hose 5a, 66a wiper 5b, 66b recess 96 ' Blowback tube 97 electric heating rod 9 8 connector 99 cable 100 light emitter 101 light receiver 10 2 detection rod 102a short tube section 102b slot 103 bracket 103a flat plate printed by Ministry of Economic Affairs Intellectual Property Bureau 8 industrial consumer cooperatives 104 lifter 1 04a filter cloth hanging shaft abutment portion 104b filter plate abutment portion 105 light blocking plate 106 drip tray 106a right drip tray 106b left drip tray 106c, 106d folding plate This paper applies Chinese national standard (cns) A4 specifications (21 ox297 mm) -56- 553758 A7 B7 • V. Description of the invention (53) 107 Washing water drainage ditch 108, 109 Support shaft 108a, 109a Pivot point 110, 111 Crank arm 112 Elastic screw buckle 11 3, 114 Adjustment lever 116 disc opening and closing cylinder 117 piston 115 hanger ^ ^ ^^ Appropriation IT (Please read the precautions on the back before filling out this page) Printed on the paper standard applicable to the Chinese National Standard (CNS) A4 Specifications (210X297 mm) -57-

Claims (1)

553758 A8 B8 C8 D8 Scope of patent application 1 (Please read the precautions on the back before filling out this page) 1. A filter press is a filter plate that is juxtaposed on the track supported by the front and rear frames. A pair of filter cloths are arranged on the filter layers of the front and rear filter plates to form a filter chamber. These filter plates are connected as a filter press that can be opened and closed with a travel chain, which is characterized in that a pair of rectangular furnace cloths are suspended on the filter layers of the filter plates. 'The upper edge is used as the sleeve of the filter cloth hanging shaft on the upper part of the filter plate' and the lower edge of the filter cloth is used as the sleeve of the lower filter cloth hanging shaft on the one between the filter plate. A raw liquid guide hole is provided at a designated position near the upper filter cloth hanging shaft. 2. The filter press according to item 1 of the scope of patent application, wherein a liquid supply plate is fixed on a pair of filter cloths suspended from the filter plate, and the liquid supply plate is formed on the filter plate through a cloth The fitted recess is connected to the original liquid supply pipe of the filter plate and the original liquid supply pipe of the liquid supply plate in the closed state of the front and rear filter plates, and from the liquid supply channel provided on the liquid supply plate to the filter room between the filter cloths. Form the dope supply circuit. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 3. The filter press as described in item 1 of the scope of patent application, wherein the upper edges of a pair of filter cloths suspended from the filter layer of the above filter plate are fixed on the upper part Filter cloth hanging shaft, while the drive chains connected to the two ends of the upper filter cloth hanging shaft are hung on the sprocket set on the upper part of the filter plate, the lower part of the filter cloth is rolled back from the approach direction to the away direction and hung on the filter A pair of return rollers arranged below the plate are mounted on the lower filter cloth hanging shaft, so that the lower filter cloth hanging shaft and the lower filter cloth hanging shaft of the adjacent filter cloth can be detachably connected to the driving chain. 4. The filter press according to item 3 of the scope of patent application, wherein the drive device for the filter cloth is: a filter frame drive shaft that is horizontally mounted on the filter plate and has an input helical gear at its shaft end; and The input helical gear is always kept in a combined shape. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm). Cq. &Quot; 553758 A8 B8 C8 D8 6. Application patent scope 2 state output helical gear; supported It is mounted on the front frame and the rear frame so as not to be able to rotate on the output helical gear, but is fitted into a sliding shaft that can slide freely. 5. The filter press according to item 3 of the scope of patent application, wherein the driving chain connected to the upper filter cloth hanging shaft is fixed to the tension bolt, and the tension bolt is engaged with the screw to form an inverted bolt. In the groove provided on the horizontal portion of the L-shaped hook, the lower filter cloth hanging shafts of the filter cloth adjacent to the front and rear of the filter plate are respectively locked in a pair of hook groove portions provided on the vertical portion of the hook. 6. The filter press according to item 3 of the scope of patent application, wherein a pair of return rollers and a washing water pipe are respectively supported and supported on a pair of bottom shaft hardware suspended below the lower ends of the two sides of the filter plate. A washing water pipe is arranged below the reversing position of the filter cloth hung on the return roller, and a nozzle is provided on the bottom shaft hardware near the back of the reversed filter cloth to face the return roller. 7. The filter press according to item 3 of the scope of patent application, wherein the return roller with the above-mentioned filter cloth rolled up is equipped with a heating device. 8. The filter press according to item 2 of the scope of patent application, wherein the sealing surface of the filter plate is provided with a drain hole communicating with the filter layer, and the drain hole is opened in a protruding manner from the side wall of the sealing surface. A plurality of filter plate communication tube portions that communicate with the tube portion and form closed channels form a drainage channel for discharging filtrate. 9. The filter press according to item 4 of the scope of patent application, wherein the filter plate is composed of synthetic resin, and a reinforced iron piece with a C-shaped cross section is held on the shoulder of the filter plate. When the front and rear side walls of the reinforcing iron piece are concluded to be fixed to the filter plate, the top shaft hardware supported and supported on the filter cloth driving shaft is fixed on the iron core held by the reinforcing iron piece. (CNS) (210X297 ^ *) _ cQ _ ~ ----------------- IT ------ 0 (Please read the precautions on the back before filling this page) Printed by the Employees' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 553758 A8 B8 C8 ___ D8 VI. Patent application scope 3 I 〇_ The filter press as described in item 9 of the patent application scope, in which the A suppressor provided with a plurality of channel holes is fixed at the lower edge portion, and the channel holes of the suppressor are communicated with the filter layer of the filter plate and a discharge hole provided in the sealing surface. II. The filter press according to item 9 of the scope of application for a patent, wherein a wear-resistant liner sleeve is attached to the inner peripheral surface of the pipe portion facing the discharge hole of the filter plate. 1 2. The filter press according to item 2 of the scope of the patent application, wherein the filter plate before and after the juxtaposed filter plate is composed of a diaphragm plate provided with a diaphragm on a core plate of a synthetic resin material, The plurality of discharge grooves provided at the lower edge of the diaphragm are connected to the filter layer of the diaphragm and the discharge hole provided in the installation surface of the core plate. 3. The filter press according to item 12 of the scope of patent application, wherein A square-shaped insert having screw holes at both ends is inserted into the mounting surface of the core board, and the peripheral edges of the diaphragm installed on both sides of the core board are screwed to the insert with clamping bolts. 14. The filter press according to item 2 of the scope of patent application, wherein a front sliding head and a sliding limiter are arranged at both ends of the above-mentioned juxtaposed filter plate, and the endless traction is linked to the prime mover. The chain is stretched on the front frame and the rear frame, and the front sliding head and the slide limiter are fixed to the running parts of the traction chain in opposite directions, so that the juxtaposed filter plates can be opened and closed simultaneously from both sides. 15. The filter press according to item 2 of the scope of patent application, wherein the front sliding head and the slide limiter are respectively provided with a stop opening and closing cylinder which is vertically arranged on the respective central portion, and pivotally swings freely. A pair of paper sizes on both ends of the paper are applicable to Chinese National Standard (CNS) A4 specifications (210X297 cm) ·:-· $-(Please read the notes on the back before filling this page) Order the Intellectual Property Bureau of the Ministry of Economic Affairs Printed by the employee's consumer cooperative -60- 553758 A8 B8 C8 D8 VI. Patent application scope 4 Stop lever, while connecting the stop opening and closing cylinder and the stop lever with the adjustment lever to make the stop lever rotate freely, it is equipped on the track. A track stop is provided, and the rotation position of the stop lever of the sliding head and the slide limiter is set before the plate is closed. 16. The filter press according to item 15 of the scope of patent application, wherein a rear slider is arranged between the above-mentioned sliding limiter and the rear-end filter plate to connect the sliding limiter and the rear by clamping the cylinder. Slide your head. 17. The filter press according to item 3 of the scope of patent application, wherein a light receiver and a light projector are arranged on the front frame and the rear frame, and the base end portion of the detection rod is detachably pivotally connected to the upper part of the filter plate. At the same time, the lifting rod connected to the detection rod is abutted against the upper cloth hanging shaft, so that it is linked to the lifting of the upper filter cloth hanging shaft, and the light shielding plate provided on the detecting rod crosses the projected light for lifting. 1 8. The filter press according to item 1 of the scope of patent application, wherein the front and rear frames are pivoted to the left and right drip trays that can be rotated and arranged below the filter plate, and fixed to the left and right drip water. While the pair of crank arms on the support shaft of the pan are pivoted to the adjustment lever, when the pair of left and right drip trays are in the closed position, the pivot point of one crank arm and the adjustment lever is arranged to pinch its support. The shaft is upward and inward, and the pivot point of the other crank arm and the adjustment lever is arranged upward and outward from the support shaft, and the suspension opening and closing cylinder is hung from the hanger to a freely swinging disc. It is pivotally connected to the middle part of one crank arm. This paper size applies to Chinese National Standard (CNS) A4 (210X297 mm) (Please read the precautions on the back before filling out this page). 11 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -61-