CN214209551U - Pressure filter is used in ferric phosphate production - Google Patents
Pressure filter is used in ferric phosphate production Download PDFInfo
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- CN214209551U CN214209551U CN202022776656.6U CN202022776656U CN214209551U CN 214209551 U CN214209551 U CN 214209551U CN 202022776656 U CN202022776656 U CN 202022776656U CN 214209551 U CN214209551 U CN 214209551U
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Abstract
The utility model relates to a pressure filter is used in iron phosphate production, the on-line screen storage device comprises a base, its bottom surface left and right sides middle part all is equipped with brake formula universal wheel, front and back both ends middle part all is equipped with directional wheel, thrust plate and backup pad have been erect respectively at both ends about the base top surface, the crossbeam has all been linked firmly between side and the backup pad front and back side around the thrust plate, it is equipped with a pressure strip to slide between thrust plate and the backup pad, a plurality of filter plates and filter frame, be equipped with the mounting panel between pressure strip and the backup pad, it has the first hydro-cylinder of four groups to be the rectangle array equipartition on the mounting panel, its piston rod links firmly on the pressure strip, both sides all cup joint on corresponding the crossbeam through the sliding of U-shaped slider around the mounting panel, the two crossbeam outsides has set firmly the second hydro-cylinder, its piston rod links firmly on corresponding the U-shaped slider, be equipped with charge pump and air pump on the base of thrust plate place end. The utility model discloses can shorten complete machine length, reduce area and can realize quick feeding and guarantee that the flowing back is complete, can walk in a flexible way and remove, guarantee filter-pressing efficiency and quality.
Description
Technical Field
The utility model belongs to the technical field of the iron phosphate production, concretely relates to pressure filter is used in iron phosphate production.
Background
The iron phosphate, namely ferric phosphate and ferric orthophosphate, is white and off-white monoclinic crystal powder, is salt generated by the action of ferric salt solution and sodium phosphate, and is mainly used for manufacturing lithium iron phosphate battery materials, catalysts, ceramics and the like.
The common iron phosphate production process is that firstly, an aqueous solution containing sulfuric acid and organic acid is reacted with iron powder to prepare a ferrous sulfate aqueous solution; then, feeding the ferrous sulfate aqueous solution into a reaction kettle, dropwise adding a mixed solution composed of ammonium persulfate, ammonium phosphate and the like into the reaction kettle, adding phosphoric acid, controlling the pH value to be below 3, stirring and mixing at a certain temperature, and reacting; and demagnetizing, filtering, filter-pressing, rinsing, and spray-drying the reacted mixture to obtain the iron phosphate product. Wherein, the filter-pressing process commonly uses plate and frame filter press, but current plate and frame filter press still has following some problems when the in-service use: 1. the filter plate is moved and pressed only by one large-diameter long-stroke oil cylinder, so that the whole machine is long, the occupied space is large, the large oil cylinder is difficult to process and manufacture, the cost is high, the piston rod of the oil cylinder is low in stretching speed, the advancing and retreating speeds of the pressing plate are low, the filter plate cannot be pressed and opened quickly, and the filter plate is not beneficial to quick filter pressing operation; 2. because the filter plates are large in number and the filter chambers are long in length, when feeding is carried out, feeding is carried out only through the liquid inlet holes in the thrust plate, so that the feeding speed is low, long time is required for filling the filter chambers with materials, filter cakes cannot be quickly formed, the filter pressing efficiency is also influenced, and when the filter pressing is stopped, the pressure in the filter chambers is reduced, so that residual feed liquid in the filter chambers is difficult to continuously filter out and is discharged together with the filter cakes, the liquid content in the filter cakes is large, the filter pressing quality is low, the subsequent treatment of the filter cakes is not facilitated, and the preparation quality of the iron phosphate is influenced; 3. the whole equipment is inconvenient to move, the position and the angle can not be flexibly changed according to actual requirements, and the use is not flexible and convenient enough and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a can shorten complete machine length, reduce area and can realize quick feeding and guarantee that the flowing back is complete, can walk the pressure filter for iron phosphate production that removes in a flexible way to solve above-mentioned problem.
In order to achieve the above object, the utility model adopts the following technical scheme: a filter press for producing iron phosphate comprises a base, wherein the middle parts of the left side and the right side of the bottom surface of the base are respectively provided with a brake universal wheel, the middle parts of the front end and the rear end are respectively provided with a directional wheel, the left end and the right end of the top surface of the base are respectively provided with a thrust plate and a support plate, cross beams are fixedly connected between the front side of the thrust plate and the front side of the support plate and between the rear side of the thrust plate and the rear side of the support plate, a compression plate, a plurality of filter plates and a plurality of filter frames are arranged between the thrust plate and the support plate, the compression plate is arranged close to the support plate, the filter plates and the filter frames are arranged close to the thrust plate, the filter frames are arranged between two adjacent filter plates, the compression plate, the filter plates and the filter frames are all connected to the corresponding; a mounting plate is arranged between the pressing plate and the supporting plate, four groups of horizontally arranged first oil cylinders are uniformly distributed on the mounting plate in a rectangular array, piston rods of the first oil cylinders face and are fixedly connected to the pressing plate, the front side and the rear side of the mounting plate are both sleeved on corresponding cross beams in a sliding mode through U-shaped sliding blocks, a second oil cylinder is fixedly arranged at one end, close to the thrust plate, of the outer sides of the two cross beams, and piston rods of the second oil cylinders face the direction of the mounting plate and are fixedly connected to the corresponding U-shaped sliding blocks; a feeding pump and an air pump are arranged on a base at the end of the thrust plate, a feeding pipe is communicated with a discharging port of the feeding pump, a feeding valve is arranged at the head end of the feeding pipe, a three-way pipe is arranged at the tail end of the feeding pipe, an air outlet of the air pump is communicated with the feeding pipe between the feeding valve and the three-way pipe through an air inlet pipe with an air inlet valve, a liquid inlet hole is formed in the center of the thrust plate, liquid outlet holes are formed in the four corners of the thrust plate, the liquid inlet hole is communicated with one port of the three-way pipe through a first feeding branch pipe, an inverted U-shaped second feeding branch pipe is horizontally arranged above the thrust plate, one end of the second feeding branch pipe is communicated with the other port of the three-way pipe, the other end of the second feeding branch pipe is sealed and is arranged on a supporting plate through a fixing frame, a Z-shaped feeding flow passage is arranged in the compression plate, the inlet of the feeding flow passage is positioned at the upper part of one side of the compression plate, and is communicated with the end part of the corresponding second feeding branch pipe through a horizontally arranged telescopic corrugated pipe, the outlet of the feeding flow channel is positioned in the center of one side of the pressing plate facing the filter plate.
Preferably, the link mechanisms are symmetrically arranged on the front side and the rear side of the filter plate and comprise two connecting rods, one ends of the two connecting rods are mutually hinged, the other end of one connecting rod is hinged to the filter plate, and the other end of the other connecting rod is hinged to the corresponding filter frame, the corresponding pressure plate or the corresponding thrust plate.
Preferably, the front side and the rear side of the filter plate, the filter frame and the pressure plate are respectively provided with a connecting block, the lower surface of each connecting block is provided with an inverted T-shaped sliding block, a sliding groove which is matched with the inverted T-shaped sliding block is formed in the cross beam along the length direction of the cross beam, and the inverted T-shaped sliding block is connected in the sliding groove in a sliding mode.
Preferably, the center of the filter plate is provided with a liquid inlet through hole, the four corners of the filter plate are provided with liquid outlet through holes, the plate surfaces at the left end and the right end of the filter plate are provided with four diversion trenches, the four diversion trenches are respectively in a divergent shape by taking the liquid inlet through hole as the center, face towards each liquid outlet through hole and are communicated with the corresponding liquid outlet through hole, the plate surfaces at the left end and the right end of the filter plate are respectively covered with filter cloth, and the center of the filter cloth is provided with a through hole corresponding to the liquid inlet through hole.
Preferably, the filter frame is a frame-shaped structure matched with the filter plate, the four corners of the filter frame are provided with flow guide holes corresponding to the liquid outlet through holes, and the bottoms of the filter frame and the filter plate are provided with vibrators.
Preferably, the liquid inlet through hole and the outlet of the feeding flow channel are matched with the liquid inlet hole, and the liquid outlet through hole and the flow guide hole are matched with the liquid outlet hole correspondingly.
Preferably, the U-shaped sliding block is matched with the corresponding cross beam, a fixing plate is arranged on the outer side of the U-shaped sliding block, and a piston rod of the second oil cylinder is fixedly connected to the corresponding fixing plate.
Preferably, a filter cake groove is formed in a base between the pressing plate and the thrust plate.
Preferably, brake formula universal wheel and directive wheel all pass through damper and base bottom surface fixed connection, damper includes the connection frame, be connected with telescopic link and damping spring between the top of connection frame, the end both ends, the damping spring cover is established outside the telescopic link.
The utility model has the advantages that: the utility model relates to a rationally, compact structure through the cooperation of setting up of brake formula universal wheel and directional wheel, can realize that the nimble walking of whole filter-pressing equipment removes and 360 degrees rotations in original place, and the convenience is removed and angular adjustment to whole equipment is nimble according to actual demand, also can conveniently remove under the limited condition in space, and it is more nimble convenient to use, is favorable to improving its practicality.
During filter pressing, the two second oil cylinders are operated firstly, the piston rods of the two second oil cylinders are contracted, the mounting plate can be driven to move towards the pressing plate quickly, and under the condition that the mounting plate, the pressing plate, the filter plate and the filter frame are linked, the pressing plate, the filter plate and the filter frame can be closed quickly, so that the pressing plate is prepressed quickly. Then, the four groups of first oil cylinders synchronously operate to extend piston rods of the four groups of first oil cylinders, so that the pressing plate can be pushed to continuously press the filter plate until the rated pressing force is reached, and the filter pressing operation is realized in a matching manner. To sum up, through the cooperation of setting up of first hydro-cylinder and second hydro-cylinder, can avoid using the large-scale hydro-cylinder that original diameter is big, the stroke is long under the prerequisite of guaranteeing enough stroke and packing force, effectively shorten complete machine length, reduce area and reduce cost, can carry out quick response again, realize the filter plate and filter frame press soon with open soon, more be favorable to going on fast of filter-pressing operation.
During the filter-pressing feeding, open the feed valve, close admission valve and operation charge pump, alright realize the feeding operation under the charge pump drives, and because the reposition of redundant personnel effect of three-way pipe, the transport of the first feeding branch pipe of cooperation and second feeding branch pipe can be respectively through thrust plate and pressure strip feeding simultaneously, can improve feed rate greatly, makes the material can be full of each filter chamber fast to the filter-pressing operation is realized in the cooperation, guarantees filter-pressing efficiency. After the filter pressing is finished, the feeding pump and the feeding valve are closed, the air pump is started, the air inlet valve is opened, high-pressure air can be continuously conveyed into the filter chamber, pressure maintaining operation is carried out for a period of time until residual filtrate in the filter chamber is completely discharged, and therefore the filter pressing quality can be guaranteed.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic bottom view of the present invention;
fig. 4 is a left side view structural schematic diagram of the mounting plate of the present invention;
fig. 5 is a left side view structural schematic diagram of the pressing plate of the present invention;
fig. 6 is a schematic front sectional view of the pressing plate of the present invention;
fig. 7 is a left side view structure diagram of the filter plate of the present invention;
FIG. 8 is a schematic structural view of the filter cloth of the present invention;
fig. 9 is a left side view schematic structure of the filter frame of the present invention;
fig. 10 is a schematic structural view of the shock absorbing mechanism of the present invention.
Reference numbers in the figures: 1 is a base, 2 is a damping mechanism, 3 is a brake type universal wheel, 4 is a directional wheel, 5 is a filter cake groove, 6 is a support plate, 7 is a mounting plate, 8 is a first oil cylinder, 9 is a telescopic corrugated pipe, 10 is a pressing plate, 11 is a second oil cylinder, 12 is a cross beam, 13 is a filter frame, 14 is a filter plate, 15 is a connecting rod mechanism, 16 is a connecting rod, 17 is a stop plate, 18 is a liquid outlet hole, 19 is a liquid inlet hole, 20 is an air pump, 21 is a feed pump, 22 is a feed valve, 23 is an air inlet valve, 24 is a feed pipe, 25 is an air inlet pipe, 26 is a three-way pipe, 27 is a first feed branch pipe, 28 is a second feed branch pipe, 29 is a chute, 30 is a U-shaped slide block, 31 is a fixing plate, 32 is a connecting block, 33 is an inverted T-shaped slide block, 34 is a feed flow passage, 35 is a liquid inlet through hole, 36 is a through hole, 37 is a guide groove, 38 is a vibrator, 39 is a filter cloth, 40 is a guide hole, 41 is a connecting frame, 42 is a telescopic rod, and 43 is a damping spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 10, a filter press for producing iron phosphate comprises a base 1, wherein brake universal wheels 3 are respectively arranged in the middle parts of the left side and the right side of the bottom surface of the base 1, and directional wheels 4 are respectively arranged in the middle parts of the front end and the rear end of the bottom surface of the base 1, so that the flexible walking movement and the 360-degree rotation of the whole filter press equipment can be realized, the flexible movement and the angle adjustment of the whole equipment can be conveniently realized according to actual requirements, the whole equipment can be conveniently moved under the condition of limited space, the filter press is more flexible and convenient to use, and the practicability of the filter press equipment can be improved;
thrust plate 17 and backup pad 6 have erect respectively at the left and right ends of base 1 top surface, and equal fixedly connected with crossbeam 12 between thrust plate 17 front side and the backup pad 6 front side and between thrust plate 17 rear side and the backup pad 6 rear side. A pressing plate 10, a plurality of filter plates 14 and a plurality of filter frames 13 are arranged between the thrust plate 17 and the support plate 6, the pressing plate 10 is arranged close to the support plate 6, the filter plates 14 and the filter frames 13 are arranged close to the thrust plate 17, and the filter frames 13 are arranged between two adjacent filter plates 14, so that when the filter plate is used, a filter chamber can be formed after the filter plates and the filter frames are folded and pressed, and the filter chamber is matched with filter pressing. The front side and the rear side of the compression plate 10, the filter plate 14 and the filter frame 13 are connected to the corresponding cross beam 12 in a sliding manner, and the filter plate 14 is connected with the compression plate 10, the filter frame 13 and the thrust plate 17 through a connecting rod mechanism 15, so that the filter plate 14 and the filter frame 13 are folded, compressed, separated and unfolded to be matched for filter pressing;
be equipped with mounting panel 7 between pressure strip 10 and the backup pad 6, be the first hydro-cylinder 8 that the rectangle array equipartition has four groups level settings on the mounting panel 7, the piston rod orientation of first hydro-cylinder 8 and fixed connection are on pressure strip 10. The front side and the rear side of the mounting plate 7 are sleeved on the corresponding beam 12 in a sliding manner through U-shaped sliders 30. And one ends of the outer sides of the two cross beams 12, which are close to the thrust plate 17, are fixedly provided with second oil cylinders 11, and piston rods of the second oil cylinders 11 face the direction of the mounting plate 7 and are fixedly connected to corresponding U-shaped sliding blocks 30. During filter pressing, the two second oil cylinders 11 are operated firstly, the piston rods of the two second oil cylinders are contracted, the mounting plate 7 can be driven to move towards the pressing plate 10 quickly, and under the condition that the mounting plate 7, the pressing plate 10, the filter plate 14 and the filter frame 13 are linked, the pressing plate 10, the filter plate 14 and the filter frame 13 can be closed quickly, so that the pressing plate 10 is prepressed quickly. Then, the four groups of first oil cylinders 8 are synchronously operated, so that piston rods of the four groups of first oil cylinders are extended, the pressing plate 10 can be pushed to continuously press the filter plate 14 until the rated pressing force is reached, and the filter pressing operation is realized in a matching manner. In summary, by the arrangement and the matching of the first oil cylinder 8 and the second oil cylinder 11, the use of a large oil cylinder with a large diameter and a long stroke can be avoided on the premise of ensuring enough stroke and pressing force, the length of the whole machine is effectively shortened, the occupied area is reduced, the cost is reduced, quick response can be performed, quick pressing and quick opening of the filter plate 14 and the filter frame 13 are realized, and the quick pressing and quick opening of the filter press operation are facilitated;
a feed pump 21 and an air pump 20 are arranged on the base 1 at the end where the thrust plate 17 is located, a feed pipe 24 is communicated with a discharge port of the feed pump 21, a feed valve 22 is arranged at the head end of the feed pipe 24, and a three-way pipe 26 is arranged at the tail end of the feed pipe. The air outlet of the air pump 20 is communicated with a feeding pipe 24 between the feeding valve 22 and a tee pipe 26 through an air inlet pipe 25 with an air inlet valve 23. The center of the thrust plate 17 is provided with a liquid inlet hole 19, four corners are provided with liquid outlet holes 18, and the liquid inlet hole 19 is communicated with one port of a three-way pipe 26 through a first feeding branch pipe 27. An inverted U-shaped second feeding branch pipe 28 is horizontally arranged above the thrust plate 17, one end of the second feeding branch pipe 28 is communicated with the other port of the three-way pipe 26, the other end of the second feeding branch pipe is closed, and the second feeding branch pipe is fixedly arranged on the support plate 6. A Z-shaped feeding channel 34 is arranged in the pressing plate 10, an inlet of the feeding channel 34 is positioned at the upper part of one side of the pressing plate 10 facing the support plate 6 and is communicated with the end part of the corresponding second feeding branch pipe 28 through a horizontally arranged telescopic corrugated pipe 9, and an outlet of the feeding channel 34 is positioned at the center of one side of the pressing plate 10 facing the filter plate 14. During the filter-pressing feeding, open feed valve 22, close admission valve 23 and operation charge pump 21, just can realize the feeding operation under charge pump 21 drives, and because the reposition of redundant personnel effect of three-way pipe 26, the transport of the first feeding branch pipe 27 of cooperation and second feeding branch pipe 28 can be respectively through thrust plate 17 and the simultaneous feeding of pressure strip 10, can improve feed rate greatly, make the material be full of each filter chamber fast, thereby the filter-pressing operation is realized in the cooperation, guarantee filter-pressing efficiency. After the filter pressing is finished, the feeding pump 21 and the feeding valve 22 are closed, the air pump 20 is started, the air inlet valve 23 is opened, high-pressure air can be continuously conveyed into the filter chamber, pressure maintaining operation is carried out for a period of time until residual filtrate in the filter chamber is completely discharged, and therefore the filter pressing quality can be guaranteed.
In the present embodiment, the link mechanism 15 is symmetrically disposed on the front and rear sides of the filter plate 14, and includes two connecting rods 16 with one end hinged to each other, wherein the other end of one connecting rod 16 is hinged to the filter plate 14, and the other end of the other connecting rod 16 is hinged to the corresponding filter frame 13, the pressure plate 10, or the thrust plate 19, so as to cooperatively achieve the rapid folding and unfolding of the filter plate 14 and the filter frame 13.
In this embodiment, the front and rear sides of the filter plate 14, the filter frame 13 and the pressure plate 10 are provided with connecting blocks 32, the lower surface of the connecting block 32 is provided with an inverted T-shaped slider 33, and the cross beam 12 is provided with a chute 29 adapted to the inverted T-shaped slider 33 along the length direction thereof, so that the inverted T-shaped slider 33 can be slidably connected in the chute 29, and the movement of the pressure plate 10, the filter plate 14 and the filter frame 13 is realized.
In this embodiment, the center of the filter plate 14 is provided with a liquid inlet through hole 35, the four corners of the filter plate 14 are provided with liquid outlet through holes 36, the plate surfaces of the left and right ends of the filter plate 14 are provided with four flow guide grooves 37, and the four flow guide grooves 37 are divergently directed to the liquid outlet through holes 36 with the liquid inlet through hole 35 as the center and communicated with the corresponding liquid outlet through holes 36. The plate surfaces at the left end and the right end of the filter plate 17 are covered with filter cloth 39, and the center of the filter cloth 39 is provided with a through hole corresponding to the liquid inlet through hole 35. The filter frame 13 is a frame-shaped structure matched with the filter plate 14, and the four corners of the filter frame 13 are provided with guide holes 40 corresponding to the liquid outlet through holes 36. Vibrators 38 are provided on the bottom of the filter frame 13 and the filter plate 14 to accelerate the dropping of the filter cake after the filter pressing is completed. The outlets of the liquid inlet through hole 35 and the feeding flow channel 34 are matched with the liquid inlet hole 19, and the liquid outlet through hole 36 and the diversion hole 40 are corresponding to and matched with the liquid outlet hole 18.
In this embodiment, the U-shaped sliding block 30 is adapted to the corresponding cross beam 12, and the outer side of the U-shaped sliding block 30 is provided with a fixing plate 31, and the piston rod of the second cylinder 11 is fixedly connected to the corresponding fixing plate 31. And a filter cake groove 5 is arranged on the base 1 between the pressing plate 10 and the thrust plate 17 and is used for containing filter cakes.
In this embodiment, brake formula universal wheel 3 and directive wheel 4 all pass through damper 2 and base 1's bottom surface fixed connection, damper 2 includes connection frame 41, connection frame 41's top, be connected with telescopic link 42 and damping spring 43 between the end both ends, damping spring 43 cover is established at telescopic link 42 outsidely, make the cooperation through telescopic link 42 and damping spring 43, can improve whole filter-pressing equipment's buffering damping performance, guarantee the stationarity of whole filter-pressing equipment removal and during operation, alleviate the damage of vibration to whole filter-pressing equipment, improve whole filter-pressing equipment's life.
The utility model discloses a theory of operation: the utility model discloses when using, earlier through the cooperation of brake formula universal wheel 3 and directional wheel 4, with whole equipment adjustment to suitable position and angle, it is fixed with brake formula universal wheel 4 again, alright make whole equipment fixed, do not influence follow-up operation. Then, the two second oil cylinders 11 are operated firstly, so that the piston rods of the two second oil cylinders are contracted, the mounting plate 7 can be driven to move towards the pressing plate 10 quickly, and under the condition that the mounting plate 7, the pressing plate 10, the filter plate 14 and the filter frame 13 are linked, the pressing plate 10, the filter plate 14 and the filter frame 13 can be closed quickly, so that the pressing plate 10 is pre-pressed. Then, the four groups of first oil cylinders 8 are synchronously operated to extend the piston rods thereof, and the pressing plates 10 are pushed to continuously press the filter plates 14 until the rated pressing force is reached. At this time, the filter frame 13 is tightly combined with the filter cloth 39 on the adjacent filter plates 14 on both sides to form a filter chamber. Afterwards, the feeding valve 22 can be opened, the air inlet valve 23 can be closed, the feeding pump 21 can be operated, feeding operation can be realized under the driving of the feeding pump 21, and due to the shunting action of the three-way pipe 26, the feeding operation can be simultaneously realized through the thrust plate 17 and the pressing plate 10 by matching with the conveying of the first feeding branch pipe 27 and the second feeding branch pipe 28, so that the feeding speed can be greatly improved, materials can rapidly flow into and fill all filter chambers through the liquid inlet through holes 35 on all filter plates 14, and filter pressing operation can be realized by matching. In the process, the filtrate is pressed out through the filter cloth 39 and flows into the liquid outlet through holes 36 through the diversion grooves 37, and the filtrate is finally sprayed out from the liquid outlet holes 18 on the thrust plate 17 by matching with the corresponding diversion holes 40 on the filter frame 13, and the solid materials are extruded into filter cakes to be temporarily left in the filter chamber.
And after the filter pressing is finished, closing the feeding pump 21 and the feeding valve 22, starting the air pump 20, opening the air inlet valve 23, continuously conveying high-pressure air into the filter chamber, and performing pressure maintaining operation for a period of time until the residual filtrate in the filter chamber is completely discharged, so that the filter pressing quality is ensured. Then, the first cylinder 8 is reset, and then the second cylinder 11 is reset, so that the filter plate 14 and the filter frame 13 can be quickly separated under the action of the link mechanism 15. At the same time, the vibrators 38 on each filter plate 14 and filter frame 13 are operated to provide a vibrating force, so that the filter cake quickly falls into the filter cake tank 5 below.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A filter press for producing iron phosphate comprises a base and is characterized in that the middle parts of the left side and the right side of the bottom surface of the base are respectively provided with a brake universal wheel, the middle parts of the front end and the rear end of the bottom surface of the base are respectively provided with a directional wheel, the left end and the right end of the top surface of the base are respectively provided with a thrust plate and a support plate, cross beams are fixedly connected between the front side of the thrust plate and the front side of the support plate and between the rear side of the thrust plate and the rear side of the support plate, a compression plate, a plurality of filter plates and a plurality of filter frames are arranged between the thrust plate and the support plate, the compression plate is arranged close to the support plate, the filter plates and the filter frames are arranged close to the thrust plate, the filter frames are arranged between two adjacent filter plates, the front sides and the rear sides of the compression plate, the filter plates and the filter frames are slidably connected to the corresponding cross beams, and the filter plates are connected through connecting rod mechanisms; a mounting plate is arranged between the pressing plate and the supporting plate, four groups of horizontally arranged first oil cylinders are uniformly distributed on the mounting plate in a rectangular array, piston rods of the first oil cylinders face and are fixedly connected to the pressing plate, the front side and the rear side of the mounting plate are both sleeved on corresponding cross beams in a sliding mode through U-shaped sliding blocks, a second oil cylinder is fixedly arranged at one end, close to the thrust plate, of the outer sides of the two cross beams, and piston rods of the second oil cylinders face the direction of the mounting plate and are fixedly connected to the corresponding U-shaped sliding blocks; a feeding pump and an air pump are arranged on a base at the end of the thrust plate, a feeding pipe is communicated with a discharging port of the feeding pump, a feeding valve is arranged at the head end of the feeding pipe, a three-way pipe is arranged at the tail end of the feeding pipe, an air outlet of the air pump is communicated with the feeding pipe between the feeding valve and the three-way pipe through an air inlet pipe with an air inlet valve, a liquid inlet hole is formed in the center of the thrust plate, liquid outlet holes are formed in the four corners of the thrust plate, the liquid inlet hole is communicated with one port of the three-way pipe through a first feeding branch pipe, an inverted U-shaped second feeding branch pipe is horizontally arranged above the thrust plate, one end of the second feeding branch pipe is communicated with the other port of the three-way pipe, the other end of the second feeding branch pipe is sealed and is arranged on a supporting plate through a fixing frame, a Z-shaped feeding flow passage is arranged in the compression plate, the inlet of the feeding flow passage is positioned at the upper part of one side of the compression plate, and is communicated with the end part of the corresponding second feeding branch pipe through a horizontally arranged telescopic corrugated pipe, the outlet of the feeding flow channel is positioned in the center of one side of the pressing plate facing the filter plate.
2. The filter press for iron phosphate production according to claim 1, wherein the link mechanism is symmetrically disposed on the front and rear sides of the filter plate, and comprises two connecting rods having one ends hinged to each other, wherein the other end of one connecting rod is hinged to the filter plate, and the other end of the other connecting rod is hinged to the corresponding filter frame, the corresponding pressure plate or the corresponding thrust plate.
3. The iron phosphate production filter press according to claim 1, wherein the filter plate, the filter frame and the compression plate are provided with connecting blocks on the front and rear sides, the lower surface of each connecting block is provided with an inverted T-shaped sliding block, the cross beam is provided with a sliding groove adapted to the inverted T-shaped sliding block along the length direction of the cross beam, and the inverted T-shaped sliding block is slidably connected in the sliding groove.
4. The iron phosphate production filter press according to claim 3, wherein the filter plate has a liquid inlet through hole in the center, liquid outlet through holes are formed at four corners of the filter plate, four flow guide grooves are formed on the plate surfaces of the left and right ends of the filter plate, the four flow guide grooves are divergently directed toward the liquid outlet through holes and communicate with the corresponding liquid outlet through holes, the plate surfaces of the left and right ends of the filter plate are covered with filter cloth, and the center of the filter cloth is provided with a through hole corresponding to the liquid inlet through hole.
5. The iron phosphate production filter press according to claim 4, wherein the filter frame is a frame-shaped structure matched with the filter plate, flow guide holes corresponding to the liquid outlet through holes are formed in the four corners of the filter frame, and the bottom of the filter frame and the bottom of the filter plate are provided with vibrators.
6. The filter press for iron phosphate production according to claim 5, wherein the outlets of the liquid inlet through hole and the feeding flow channel are both adapted to the liquid inlet hole, and the liquid outlet through hole and the flow guide hole are both corresponding to and adapted to the liquid outlet hole.
7. The iron phosphate production filter press according to claim 1, wherein the U-shaped sliding block is adapted to the corresponding cross beam, a fixing plate is arranged on the outer side of the U-shaped sliding block, and a piston rod of the second oil cylinder is fixedly connected to the corresponding fixing plate.
8. The iron phosphate production filter press according to claim 1, wherein a filter cake groove is formed in a base between the pressing plate and the thrust plate.
9. The filter press for iron phosphate production according to claim 1, wherein the brake type universal wheel and the orientation wheel are both fixedly connected with the bottom surface of the base through a damping mechanism, the damping mechanism comprises a connecting frame, a telescopic rod and a damping spring are connected between the top end and the bottom end of the connecting frame, and the damping spring is sleeved outside the telescopic rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022776656.6U CN214209551U (en) | 2020-11-26 | 2020-11-26 | Pressure filter is used in ferric phosphate production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022776656.6U CN214209551U (en) | 2020-11-26 | 2020-11-26 | Pressure filter is used in ferric phosphate production |
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| CN214209551U true CN214209551U (en) | 2021-09-17 |
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| CN202022776656.6U Active CN214209551U (en) | 2020-11-26 | 2020-11-26 | Pressure filter is used in ferric phosphate production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053770A (en) * | 2021-11-12 | 2022-02-18 | 恩彻尔(天津)环保科技有限公司 | Plate-and-frame filter press for waste liquid treatment |
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2020
- 2020-11-26 CN CN202022776656.6U patent/CN214209551U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053770A (en) * | 2021-11-12 | 2022-02-18 | 恩彻尔(天津)环保科技有限公司 | Plate-and-frame filter press for waste liquid treatment |
| CN114053770B (en) * | 2021-11-12 | 2023-02-21 | 恩彻尔(天津)环保科技有限公司 | Plate-and-frame filter press for waste liquid treatment |
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