CN210728783U - Split type feed channel and backwashing reverse-blowing air-dried filter plate assembly - Google Patents
Split type feed channel and backwashing reverse-blowing air-dried filter plate assembly Download PDFInfo
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- CN210728783U CN210728783U CN201921391972.2U CN201921391972U CN210728783U CN 210728783 U CN210728783 U CN 210728783U CN 201921391972 U CN201921391972 U CN 201921391972U CN 210728783 U CN210728783 U CN 210728783U
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Abstract
The utility model discloses a split type feeding channel and backwashing, back blowing and air drying filter plate component, which comprises a tail filter plate, a middle filter plate and a head filter plate, wherein the middle filter plate comprises a feeding filter plate and a filtering filter plate which are alternately arranged by taking the feeding filter plate as the starting end and the tail end, and at least one feeding filter plate is arranged; the upper part and the lower part of each filter plate are provided with channels which are communicated; the filtering surface of the feeding filter plate is provided with a feeding hole which is vertical and penetrates through the filter cavities on the two sides, and the feeding hole is communicated with a channel above the feeding filter plate through a slurry communicating hole; and a plurality of flow passage holes and communication holes which run through the filtering surface are respectively arranged in the filtering cavity below each filtering plate, and the flow passage holes are communicated with the channels below each filtering plate through the communication holes. The utility model discloses feeding filtration efficiency is high, can realize effective washing and air-dry, has overcome the defect that residual ground paste, filtrating lead to easy jam etc. of feed port to bring in the passageway that prior art exists, can realize that the filter cloth is clean regeneration and unload the cake totally smooth and easy, has guaranteed horizontal pressure filter's high performance, low-cost operation.
Description
Technical Field
The utility model relates to a solid-liquid separation equipment technical field, concretely relates to split type feedstock channel and air-dried filter plate subassembly of backwash blowback.
Background
In the field of solid-liquid separation equipment, the horizontal filter press with the highest market occupation rate is favored in the industries of biological pharmacy, chemical engineering, mineral separation, metallurgy and the like due to more advantages of the horizontal filter press, and is continuously improved along with the development of the technology and the enhancement of the energy-saving and environment-friendly concept. The horizontal filter press goes through the development process of three stages, namely a plate-and-frame filter press, a box-type filter press and a box-type diaphragm filter press, wherein: the box type filter press improves the filtering effect by increasing the feeding pressure; and the chamber type membrane filter press shortens the filtration period and improves the dryness and the productivity of filter cakes by increasing the membrane squeezing. These performance improvements are achieved through improvements in the filter plate construction.
In order to make full use of material resources and meet higher energy-saving and environment-friendly requirements, the solid-liquid separation performance of the horizontal filter press needs to be further improved, and the main technical measure at present is to increase the washing and air drying of filter cakes. However, the feeding channel of the existing horizontal filter press usually directly penetrates through the filter chambers of all filter plates, and filtrate discharge channel holes are arranged on the left side and the right side below or the upper corner and the lower corner of all the filter plates, so that the filter plates with the structures have the following defects: the feeding of each filter cavity is sequential, the feeding pressure is uneven, the feeding speed is low, and the filtering efficiency is low; when the filter cake washing and air drying method is adopted, too many short or straight-through paths exist at the corresponding positions of the feed channel and the filtrate discharge channel hole at the same side in each filter cavity, so that washing water or medium and air drying gas can easily flow away from the shortest path, and full and effective washing and air drying can not be realized.
In addition, the existing horizontal filter press has the problems that the residual slurry in the feeding channel and the residual filtrate in the filtrate channel cause the feeding hole to be easily blocked and the feeding is not smooth, and the dryness of a filter cake is reduced and the filtrate is lost due to the dripping leakage of the residual slurry and the filtrate when the plate pulling and the cake discharging are carried out; on one hand, filter cloth of the filter press is easy to adhere to a filter cake to cause cake unloading obstacle, and on the other hand, the regeneration performance of the filter cloth is poor, and a filter cloth cleaning device needs to be additionally arranged, so that the complexity and the operation cost of the filter press are increased; the diaphragm used by the chamber type diaphragm filter press has temperature resistance, pressure resistance and service life which are limited by material performance, and has high manufacturing and maintenance cost, and the dewatering effect is not ideal due to limited elastic deformation and uneven squeezing.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a split type feedstock channel and air-dried filter plate subassembly of backwash blowback uses horizontal pressure filter, and feeding filtration efficiency is high, can realize abundant effectual washing and air-dry, has overcome among the feedstock channel that prior art exists and has remained in slurry and the filtrating passageway and lead to the feed port easily to block up, the feeding is not smooth, the filter cake dryness fraction descends, defect such as filtrating loss, can realize that the filter cloth is clean regeneration and unload the cake totally smooth and easy, has guaranteed horizontal pressure filter's high performance, low-cost operation.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the embodiment of the utility model provides a split type feed channel and backwash blowback air-dried filter plate assembly, including afterbody filter plate, middle filter plate, head filter plate, assemble between the filter plate and form the filter chamber, middle filter plate includes the feeding filter plate and filters the filter plate that arrange alternately with the feeding filter plate as the head and the tail end, and has at least one feeding filter plate; the upper part and the lower part of the tail filter plate, the feeding filter plate, the filtering filter plate and the head filter plate are all provided with channels which are all communicated; the filter surface of the feeding filter plate is provided with a feeding hole which is vertical and penetrates through the filter cavities on the two sides, and the feeding hole is communicated with a channel above the feeding filter plate through a slurry communicating hole; and a plurality of flow passage holes and communication holes which penetrate through the filtering surface are respectively arranged in the filtering cavities below the tail filtering plate, the feeding filtering plate, the filtering plate and the head filtering plate, and the flow passage holes are communicated with passages below the respective filtering plates through the communication holes.
Furthermore, the channels above the tail filter plate, the feeding filter plate, the filtering filter plate and the head filter plate respectively form the feeding channel and the backwashing and back-blowing air-drying channel.
Furthermore, the passages below the tail filter plate, the feeding filter plate, the filtering filter plate and the head filter plate form the filtrate passage and the backwashing and back-blowing air drying passage.
Furthermore, a plurality of flow channel holes which are arranged in the filter cavity below the feeding filter plate and run through the filter surface are positioned at one side, and are communicated with the filtrate channel at the same side through the arranged communication holes; and a plurality of flow channel holes which are arranged in the filter cavity below the tail filter plate, the filter plate and the head filter plate and run through the filter surface are arranged on the other side and are communicated with the filtrate channel on the side through the arranged communicating holes.
Furthermore, filter cloth is arranged on the filter surface in the filter cavity between the filter plates, and the filter cloth is installed and used in a suspension mode.
Furthermore, the filter cloth which is arranged on the filtering surface of the feeding filter plate in a suspension type is provided with a hole at the position corresponding to the feeding hole, and a cloth pressing cover is arranged to be pressed on the feeding filter plate.
Furthermore, the ports of the tail filter plate, the filter plate and the upper channel and the lower channel of the head filter plate are all provided with wear-resistant rubber sealing pieces.
Further, each filter plate is designed to be an ear plate type or a square plate type.
The utility model discloses beneficial effect as follows: will the utility model discloses use horizontal pressure filter, feeding filtration efficiency is high, can realize abundant effectual washing and air-dry, has overcome among the feedstock channel that prior art exists and has remained in slurry and the filtrating passageway and remain the filtrating and lead to defects such as the feed port easily blocks up, the feeding is not smooth, the filter cake dryness fraction descends, filtrating loss, can realize that the filter cloth is clean regeneration and unload the clean smooth and easy of cake, has guaranteed horizontal pressure filter's high performance, low-cost operation.
Drawings
FIG. 1 is a schematic view of an assembly structure of a filter plate assembly with a split feed channel and a backwashing reverse blowing air drying according to an embodiment of the present invention;
fig. 2 is a schematic view of a feeding filter plate according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the upper end A-A of a feeding filter plate according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of the lower end B-B of a feeding filter plate according to an embodiment of the present invention;
fig. 5 is a schematic view of a tail filter plate according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of the lower end C-C of the tail filter plate according to the embodiment of the present invention;
fig. 7 is a schematic view of a filter plate according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of the lower end D-D of a filter plate according to an embodiment of the present invention;
fig. 9 is a schematic view of a head filter plate according to an embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view of the lower end E-E of a head filter plate according to an embodiment of the present invention;
fig. 11 is a schematic view of another feeding filter plate according to the embodiment of the present invention;
FIG. 12 is a schematic cross-sectional view of an alternative embodiment of the present invention showing the upper end of a feed filter plate;
FIG. 13 is a schematic cross-sectional view of the lower end G-G of another feeding filter plate according to the embodiment of the present invention;
fig. 14 is a schematic view of another tail filter plate according to an embodiment of the present invention;
FIG. 15 is a schematic cross-sectional view of the lower end of a tail filter plate according to another embodiment of the present invention;
fig. 16 is a schematic view of another filter plate according to an embodiment of the present invention;
FIG. 17 is a schematic cross-sectional view of the lower end J-J of another filter plate according to the present invention;
fig. 18 is a schematic view of another head filter plate according to an embodiment of the present invention;
FIG. 19 is a schematic cross-sectional view of the lower end K-K of a head filter plate according to another embodiment of the present invention;
wherein: 1 is a tail filter plate, 2 is a feeding filter plate, 3 is a filtering filter plate, 4 is a head filter plate, 5 is an abrasion-resistant rubber sealing piece, 6 is a filter plate filter cloth, 7 is a filter cavity, 8 is a filter cake, 9 is a flow passage hole, 10 is a communicating hole, 11 is a right-side filtrate channel (right-side backwashing back-blowing air-drying channel), 12 is a left-side filtrate channel (left-side backwashing back-blowing air-drying channel), 13 is a feeding channel, 14 is a backwashing back-blowing air-drying channel, 15 is a slurry communicating hole, 16 is a feeding hole, 17 is a cloth pressing cover, and 18 is a feeding plate filter cloth.
Detailed Description
In order to understand the features and technical contents of the present invention in more detail, the following description is given in conjunction with the accompanying drawings, which are only used for reference and not for limiting the present invention.
As shown in fig. 1-10, as one of the preferred structural forms, the present invention provides a split-type feeding channel and backwash blowback air-dried filter plate assembly, each filter plate of which is designed as an ear plate type, and comprises a tail filter plate 1, a middle filter plate and a head filter plate 4, wherein filter cavities 7 are formed between the filter plates by assembling, the middle filter plate comprises a feeding filter plate 2 and a filtering filter plate 3 which are alternately arranged with the feeding filter plate 2 as the starting end and the tail end, and at least one feeding filter plate 2; the upper part and the lower part of the tail filter plate 1, the feeding filter plate 2, the filter plate 3 and the head filter plate 4 are all provided with channels which are all communicated; a feed hole 16 which is vertical and penetrates through the filter cavities on the two sides is arranged on the filtering surface of the feeding filter plate 2, and the feed hole 16 is communicated with a channel above the feeding filter plate through a slurry communicating hole 15; and a plurality of flow passage holes 9 and communication holes 10 which penetrate through the filtering surface are respectively arranged in the filtering cavities 7 below the tail filtering plate 1, the feeding filtering plate 2, the filtering plates 3 and the head filtering plate 4, and the flow passage holes 9 are communicated with passages below the respective filtering plates through the communication holes 10.
Here, the channels above the tail filter plate 1, the feeding filter plate 2, the filter plate 3 and the head filter plate 4 constitute the feeding channel 13 and the backwashing blowback air drying channel 14.
Here, the passages below the tail filter plate 1, the feeding filter plate 2, the filter plate 3 and the head filter plate 4 constitute both the filtrate passage and the backwashing and blowback air drying passage.
Specifically, the passages below the tail filter plate 1, the feeding filter plate 2, the filter plate 3 and the head filter plate 4 form the left filtrate passage (left backwashing and back blowing air drying passage) 12 and the right filtrate passage (right backwashing and back blowing air drying passage) 11.
Here, a plurality of flow passage holes 9 which are arranged in the filter cavity 7 below the feeding filter plate 2 and run through the filter surface are positioned at one side and are communicated with a filtrate channel at the same side through a communication hole 10; a plurality of flow passage holes 9 which are arranged in the filter cavity 7 below the tail filter plate 1, the filter plate 3 and the head filter plate 4 and run through the filter surface are positioned at the other side and are communicated with a filtrate passage at the side through a communication hole 10.
Furthermore, a plurality of flow passage holes 9 which are arranged in the filter cavity 7 below the feeding filter plate 2 and run through the filter surface are positioned on the left side, and are communicated with a left filtrate passage 12 through a communication hole 10; and a plurality of flow passage holes 9 which are arranged in the filter cavity 7 below the tail filter plate 1, the filter plate 3 and the head filter plate 4 and run through the filter surface are positioned on the right side, and are communicated to a right filtrate passage 11 through a communication hole 10.
Specifically, the non-filtering surface of the tail filter plate 1 is adjacent to a thrust plate of a filter press, a plurality of single-sided flow channel holes 9 communicated with the filtering cavities 7 of the adjacent feeding filter plates 2 are arranged on the right side in the filtering cavity 7 below the filtering surface, and the plurality of single-sided flow channel holes 9 are communicated with the adjacent right filtrate channel 11 through communicating holes 10.
Specifically, the feed filter plate 2 is provided with a plurality of flow passage holes 9 penetrating through both filter surfaces on the left side in the lower filter chamber 7, and the flow passage holes 9 are communicated with the left filtrate passage 12 adjacent thereto through communication holes 10.
Here, the communication hole 10 of the feed filter sheet 2 is indicated by a dotted line in fig. 1, indicating that the communication hole 10 is opposite to the view of fig. 1, i.e., the communication hole 10 of the feed filter sheet 2 is on the left side and communicates with the left filtrate channel 12.
Specifically, the filter plate 3 is also provided with a plurality of flow passage holes 9 penetrating both filter surfaces at the right side in the lower filter chamber 7, and the flow passage holes 9 are communicated with the right filtrate passage 11 adjacent thereto through communication holes 10.
Specifically, the non-filtering surface of the head filter plate 4 is adjacent to a movable pressure plate of the filter press, and a plurality of single-sided flow channel holes 9 communicated with the filter chambers 7 of the adjacent feeding filter plates 2 are arranged on the right side in the filter chambers 7 below the filtering surface, and the plurality of single-sided flow channel holes 9 are communicated with the adjacent right filtrate channel 11 through communicating holes 10.
Specifically, a plurality of flow passage holes 9 arranged on all the feeding filter plates 2 of the filter plate assembly are communicated with a left filtrate passage 12 through respective communication holes 10; the respective plurality of flow passage holes 9 provided in the tail filter plate 1, all the filter plates 3 and the head filter plate 4 are communicated to a right filtrate passage 11 through respective communication holes 10.
Here, the filter surface in the filter chamber 7 between the filter plates is provided with filter cloth, and the filter cloth is installed and used in a suspension type.
Here, the filter cloth suspended on the filtering surface of the feeding filter plate 2 is provided with a hole corresponding to the feeding hole 16, and a cloth pressing cover 17 is arranged to press against the feeding filter plate 2.
Here, the end openings of the upper channel and the lower channel of the tail filter plate 1, the filter plate 3 and the head filter plate 4 are all provided with wear-resistant rubber sealing pieces 5.
The tail filter plate 1 and the head filter plate 2 in the filter plate component are respectively connected with a thrust plate and a movable pressure plate of a filter press without filter surfaces, correspond to a feeding channel 13, a backwashing and back blowing air drying channel 14, a right filtrate channel 11 and a left filtrate channel 12 in the filter plate component, and are also provided with a feed channel, a backwashing and back blowing air drying channel and a filtrate channel which are communicated.
Here, the feed process is through peripheral hardware pipeline and control valve, get into the feedstock channel 13 of filter plate subassembly with the thick liquids from the feedstock channel of thrust plate, when feeding filter plate 2 flows through, get into feed opening 16 through thick liquids intercommunicating pore 15, shunt from feed opening 16 both sides and enter into in the filter chamber 7, filter chamber 7 that fills whole filter plate subassembly gradually, final solid matter stays filter cloth in the filter chamber and forms filter cake 8, the filtrating then passes through a plurality of flow path holes 9 and intercommunicating pore 10 that set up in the filter chamber 7 below the filter plate subassembly, discharge from left side filtrate channel 12 and right side filtrate channel 11, make the input speed accelerate like this, filtration efficiency improves, and the filter cake shaping is more complete.
Here, the reverse washing flow of the feeding channel 13 is that washing pressure water is introduced from a backwashing reverse blowing air drying channel of the thrust plate through an external pipeline and a control valve, and sequentially flows through the tail filter plate 1, each feeding filter plate 2 and the filtering filter plate 3 of the middle filter plate, the head filter plate 4 and the dynamic pressure plate, the backwashing reverse blowing air drying channel of the driven pressure plate flows out, and then flows into the feeding channel of the reverse driven pressure plate through the external pipeline and the control valve, and sequentially and reversely flows through the feeding filter plates 2 and the filtering filter plates 3 of the head filter plate 4, the middle filter plate, the tail filter plate 1 and all the feeding channels of the thrust plate, and then is discharged into a settling tank through the external pipeline and the control valve, so that the reverse washing of the feeding channel 13 is realized.
The back flushing air drying flow of the feeding channel 13 is the same as the reverse washing flow, compressed air is introduced from the back flushing air drying channel of the thrust plate through the external pipeline and the control valve, the compressed air sequentially flows through the tail filter plate 1, each feeding filter plate 2 and the filtering filter plate 3 of the middle filter plate, the head filter plate 4 and the dynamic pressure plate, the back flushing air drying channel of the driven pressure plate flows out, the compressed air sequentially flows through the external pipeline and the control valve, the feeding channel of the reverse driven pressure plate flows in, the compressed air sequentially and reversely flows through the head filter plate 4, each feeding filter plate 2 and the filtering filter plate 3 of the middle filter plate, the tail filter plate 1 and all the feeding channels of the thrust plate, and then the compressed air is discharged into a gas-liquid separation tank through the external pipeline and the.
The reverse washing and back blowing air drying process of the feeding channel 13 overcomes the defects that in the prior art, due to residual slurry in the feeding channel, a feeding hole is easy to block and the feeding is not smooth, and due to the leakage of the residual slurry during cake unloading of a pulling plate, the dryness of a filter cake is reduced and the loss of filtrate is caused.
With reference to fig. 1-10, the filtrate channel, the filter cloth, and the filter cake are backwashed, including a right-side backwash and a left-side backwash of the filtrate channel, the filter cloth, and the filter cake. The filtrate channel, the filter cloth and the right side of the filter cake are reversely washed, washing pressure water is introduced from the right filtrate channel of the thrust plate through an external pipeline and a control valve, and firstly passes through the tail filter plate 1, each filter plate 3 and the right filtrate channel 11 of the head filter plate 4, flows out from the plurality of flow passage holes 9 through the respective communication holes 10 and enters the filter chamber on the reverse side of the filter cloth 6 of each filter plate, because other channels do not exist, the washing pressure water only forcibly permeates through each filter plate filter cloth 6 and then permeates through each filter cake 8, then continuously penetrates through the feed plate filter cloth 18 of each feed filter plate 2 on the other side of each filter cake, passes through the respective communication holes 10 from the plurality of flow passage holes 9 of each feed filter plate 2, enters the left filtrate channel 12, passes through the left filtrate channel of the thrust plate, and the filtrate is discharged into a water storage tank through an external pipeline and a control valve, so that the reverse washing of the filtrate channel, the filter cloth and the right side of the filter cake is realized. In the same way, the filtrate channel, the filter cloth and the left side of the filter cake are reversely washed, washing pressure water is introduced from the filtrate channel on the left side of the thrust plate through an external pipeline and a control valve, and passes through the filtrate channel 12 on the left side of each feeding filter plate 2, flows out from the plurality of flow passage holes 9 through the respective communication holes 10, enters the filter cavity on the reverse side of the filter cloth 18 of each feeding plate, because there are no other passages, the washing pressure water only forcibly penetrates through each feed plate filter cloth 18 and then each filter cake 8, then continuously penetrates through the tail filter plate 1 on the other side of each filter cake, each filter plate 3 and the filter plate filter cloth 6 of the head filter plate 4, passes through the respective communicating holes 10 from the respective plurality of flow passage holes 9, enters the right filtrate passage 11, then passes through the right filtrate passage of the thrust plate, and the filtrate is discharged into a water storage tank through an external pipeline and a control valve, so that reverse washing of the filtrate channel, the filter cloth and the left side of the filter cake is realized.
And (3) carrying out reverse blowing air drying on the filtrate channel, the filter cloth and the filter cake by combining with the drawings 1-10, wherein the reverse blowing air drying comprises the right side reverse blowing air drying and the left side reverse blowing air drying of the filtrate channel, the filter cloth and the filter cake. The filtrate channel, the filter cloth and the filter cake right side are subjected to reverse blowing and air drying, compressed air is introduced from the filtrate channel on the right side of the thrust plate through an external pipeline and a control valve, passes through the filter plate 1 on the tail part, the filter plates 3 and the filtrate channel 11 on the right side of the filter plate 4 on the head part, passes through respective communicating holes 10, flows out from respective multiple flow channel holes 9, enters a filter cavity on the reverse side of each filter plate filter cloth 6, and because no other channels exist, the compressed air only forcibly penetrates through each filter plate filter cloth 6 and then penetrates through each filter cake 8, then continuously penetrates through the feed plate filter cloth 18 of each feed filter plate 2 on the other side of each filter cake, passes through respective communicating holes 10 from multiple flow channel holes 9 of each feed filter plate 2, enters a filtrate channel 12 on the left side, and is discharged into a gas-liquid separation tank from the filtrate channel on the left side of; and after the action flow reaches the set time, opening a control valve in a pipeline which is arranged outside the movable platen and is communicated with the left filtrate channel and the right filtrate channel, and quickly blowing and drying the right filtrate channel 11 and the left filtrate channel 12 by short circuit of compressed air, and discharging the compressed air into a gas-liquid separation groove from the left filtrate channel of the thrust plate through the pipeline and the control valve which are arranged outside, so that the filtrate channel, the filter cloth and the filter cake are completely blown and dried by reverse blowing at the right side. Similarly, the filtrate channel, the filter cloth and the filter cake left side are subjected to reverse blowing and air drying, compressed air is introduced from the filtrate channel on the left side of the thrust plate through an external pipeline and a control valve, passes through the filtrate channel 12 on the left side of each feeding filter plate 2, passes through the communication hole 10 of each filter plate, flows out from the flow channel holes 9 of each filter plate, enters the filter cavity on the reverse side of the filter cloth 18 of each feeding plate, and because no other channel exists, the compressed air only forcibly penetrates through the filter cloth 18 of each feeding plate and then penetrates through each filter cake 8, then continuously penetrates through the filter plate filter cloth 6 on the tail filter plate 1, each filter plate 3 and the head filter plate 4 on the other side of each filter cake, passes through the communication hole 10 of each filter plate from the flow channel holes 9 of each filter plate, enters the filtrate channel 11 on the right side, and then is discharged into the gas-liquid separation tank; and after the action flow reaches the set time, opening a control valve in a pipeline which is arranged outside the movable platen and is communicated with the left filtrate channel and the right filtrate channel, and quickly blowing and drying the left filtrate channel 12 and the right filtrate channel 11 by short circuit of compressed air, and discharging the compressed air into a gas-liquid separation groove from the right filtrate channel of the thrust plate through the pipeline and the control valve which are arranged outside, so that the left back blowing and air drying of the filtrate channel, the filter cloth and the filter cake are completely realized.
The process ensures that the filtrate channel, the filter cloth and the filter cake are fully and effectively washed and air-dried, solves the problems of filter cake dryness reduction and filtrate loss caused by residual filtrate in the filtrate channel and leakage of residual filtrate during cake unloading of the pulling plate in the prior art, realizes clean regeneration of the filter cloth and clean and smooth cake unloading, does not need to use a diaphragm filter plate with poor temperature and pressure resistance, short service life and high manufacturing and maintenance costs, does not need to additionally add a filter cloth cleaning device, and ensures high performance and low-cost operation of the horizontal filter press.
Referring to fig. 1 and fig. 11-19, as a second preferred structure, each filter plate of the filter plate assembly of the present invention may also be designed as a square plate, and the implementation method is the same as that described above, and is not repeated.
The specific types of the above-mentioned components are not limited and detailed, and the specific connection modes of the above-mentioned components are not detailed, so that the components can be understood by those skilled in the art as common knowledge.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A split type feeding channel and backwashing, back-blowing and air-drying filter plate assembly comprises a tail filter plate, a middle filter plate and a head filter plate, wherein filter cavities are formed by assembling the filter plates; the upper part and the lower part of the tail filter plate, the feeding filter plate, the filtering filter plate and the head filter plate are all provided with channels which are all communicated; the filter surface of the feeding filter plate is provided with a feeding hole which is vertical and penetrates through the filter cavities on the two sides, and the feeding hole is communicated with a channel above the feeding filter plate through a slurry communicating hole; and a plurality of flow passage holes and communication holes which penetrate through the filtering surface are respectively arranged in the filtering cavities below the tail filtering plate, the feeding filtering plate, the filtering plate and the head filtering plate, and the flow passage holes are communicated with passages below the respective filtering plates through the communication holes.
2. The split feed channel and backwash blowback air-dried filter plate assembly according to claim 1, wherein said tail filter plate, feed filter plate, filter plate, head filter plate upper channel constitute said feed channel and backwash blowback air-dried channel, respectively.
3. The split feed channel and backwash blowback air-drying filter plate assembly of claim 2, wherein said tail filter plate, feed filter plate, filter plate, head filter plate lower channel constitute both filtrate channel and backwash blowback air-drying channel.
4. The split feed channel and backwash blowback air-dried filter plate assembly according to claim 3, wherein a plurality of flow channel holes through the filter surface provided in the filter chamber below the feed filter plate are located at one side and communicated to the filtrate channel at the same side through the communication holes provided; and a plurality of flow channel holes which are arranged in the filter cavity below the tail filter plate, the filter plate and the head filter plate and run through the filter surface are arranged on the other side and are communicated with the filtrate channel on the side through the arranged communicating holes.
5. The split feed channel and backwash blowback air-dried filter plate assembly according to claim 1, wherein a filter cloth is provided on the filter surface in the filter cavity between said filter plates, said filter cloth being installed in a suspended manner.
6. The split feed channel and backwash blowback air-dried filter plate assembly according to claim 5, wherein said filter cloth suspended on said feed filter plate filter surface is perforated at locations corresponding to said feed holes and provided with a cloth pressing cover pressed against said feed filter plate.
7. The split feed channel and backwash blowback air-dried filter plate assembly of claim 1, wherein the end ports of said tail filter plate, said filter plate, and said upper and lower channels of said head filter plate are provided with wear-resistant rubber seals.
8. The split feed channel and backwash blowback air-dried filter plate assembly of claim 1, wherein each filter plate is designed as a lug plate or a square plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921391972.2U CN210728783U (en) | 2019-08-26 | 2019-08-26 | Split type feed channel and backwashing reverse-blowing air-dried filter plate assembly |
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| CN201921391972.2U CN210728783U (en) | 2019-08-26 | 2019-08-26 | Split type feed channel and backwashing reverse-blowing air-dried filter plate assembly |
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| CN210728783U true CN210728783U (en) | 2020-06-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420486A (en) * | 2019-08-26 | 2019-11-08 | 江苏新宏大集团有限公司 | A kind of separated type feeding-passage and the air-dried filter plate assembly of backwash blowback |
| CN111672174A (en) * | 2020-06-19 | 2020-09-18 | 安徽雪城超细碳酸钙有限公司 | Material back-blowing device and method for filter press |
| CN114191862A (en) * | 2020-09-18 | 2022-03-18 | 景津环保股份有限公司 | Automatic cleaning device for filter plate with outer ear-crossing and corresponding automatic plate pulling and sweeping mechanism |
-
2019
- 2019-08-26 CN CN201921391972.2U patent/CN210728783U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420486A (en) * | 2019-08-26 | 2019-11-08 | 江苏新宏大集团有限公司 | A kind of separated type feeding-passage and the air-dried filter plate assembly of backwash blowback |
| CN111672174A (en) * | 2020-06-19 | 2020-09-18 | 安徽雪城超细碳酸钙有限公司 | Material back-blowing device and method for filter press |
| CN114191862A (en) * | 2020-09-18 | 2022-03-18 | 景津环保股份有限公司 | Automatic cleaning device for filter plate with outer ear-crossing and corresponding automatic plate pulling and sweeping mechanism |
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