CN110665268A - High-efficiency filter press filter plate grouping pulling-open cake-unloading and cloth-washing dual-purpose limiting device - Google Patents
High-efficiency filter press filter plate grouping pulling-open cake-unloading and cloth-washing dual-purpose limiting device Download PDFInfo
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- CN110665268A CN110665268A CN201911101603.XA CN201911101603A CN110665268A CN 110665268 A CN110665268 A CN 110665268A CN 201911101603 A CN201911101603 A CN 201911101603A CN 110665268 A CN110665268 A CN 110665268A
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- 238000005406 washing Methods 0.000 title claims abstract description 65
- 239000004744 fabric Substances 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 206010027339 Menstruation irregular Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/172—Plate spreading means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/32—Removal of the filter cakes
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Abstract
The invention discloses a high-efficiency filter press filter plate grouping pulling-open cake-unloading and cloth-washing dual-purpose limiting device which is characterized by mainly comprising a cake-unloading limiting device, a cloth-washing limiting device, an L-shaped limiting adjusting plate and other parts; the device is additionally provided with a cloth washing limiter on the basis of the original cake unloading limiting device and is communicated with a PLC program control cabinet; the two limiters are fixed on an L-shaped limiting adjusting plate (the positions of the two limiters are adjustable), the cake unloading limiter is close to one side of the push plate, the cloth washing limiter is close to one side of the machine base (far away from the push plate) and mutually keeps a distance of about 150mm, and the limiting adjusting plate is arranged on a cross beam of the filter press behind the push plate; the two limiters are interlocked, the final stop positions of the filter plates are pulled open when cake unloading and cloth washing are respectively controlled, the filter plates in each group are connected by chains with equal length, the groups are connected by longer chains, the length of the chains connected with the groups and the positions of the two limiters are adjusted, and the automatic completion of single complete operation cycle of the filter plate grouping pulling type filter press by one key is realized.
Description
Technical Field
The invention belongs to the technical field of automatic filter presses, and relates to a dual-purpose limiting device for filter plate grouping pulling-open cake unloading and cloth washing.
Background
The filter press is a general intermittent operation multi-filter chamber pressurizing filter device, the high-efficiency filter press is an automatic filter press with a filter plate grouping automatic pulling-open mechanism (commonly called as a pulling plate trolley) and a filter cloth automatic cleaning mechanism (commonly called as a water washing trolley), the cycle time is short, the single operation cycle (from pressing the filter plate, feeding, squeezing, washing, blow-drying, back flushing, pulling the plate, discharging the filter cloth and irregularly cleaning the filter cloth) automatically finishes cake discharging by one key and cloth washing by two keys by intelligent control of a PLC + touch display screen, and the filter press is suitable for solid-liquid separation of various suspensions; most of the operation cycles do not need to clean the filter cloth, and the gravity cake unloading is realized by pulling the filter plate open; a few complete operation cycles include cleaning the filter cloth, and irregularly cleaning the filter cloth (called washing cloth for short) to realize regeneration of the filter medium.
The plate pulling mode of the filter plate grouping and pulling-open mechanism is that 4-6 filter plates are divided into one group, each group of filter plates are connected by chains with equal length, the groups are connected by longer chains, and the length of the chains connected with the groups is adjusted to realize grouping and pulling-open; the plate pulling process comprises the following steps: the drawplate dolly is pulling the head board of first group filter plate (every group first filter plate, first group head board is the push pedal) and is driving whole group filter plate antedisplacement, when touchhing the filter plate in the place ahead and not having the space, and the drawplate dolly is obstructed promptly, and dolly gear motor senses the resistance and automatic reversal, drives the reverse back of drawplate dolly and moves, removes to draw the second group filter plate, so reciprocal circulation is pulled back and is unloaded the cake until whole filter plate. When the filter cloth needs to be cleaned, the head plate and the tail plate (the last filter plate in each group) of the adjacent groups of filter plates are close to each other without a gap, and the automatic filter cloth cleaning mechanism can work only after the head plate and the tail plate are pulled apart.
The existing filter plate grouping and pulling-open limiting device has the following defects: the filter plate can be pulled open to unload the filter cake for one limit, the filter plate can not be pulled open to wash the cloth for one step, the filter cloth can not be cleaned immediately after the filter plate is pulled open to unload the filter cake, the filter cloth can be cleaned after the adjacent groups of head plates and tail plates are pulled open twice (the cloth can be cleaned only by two keys), the repeated plate pulling time is long, and the cycle operation time and the production efficiency of the filter press are influenced.
Disclosure of Invention
The invention aims to overcome the defect that the existing high-efficiency filter press filter plate grouping pulling-open limiting device cannot control filter plates to be in place for washing cloth in one step, solve the corresponding technical problem and provide a high-efficiency filter press filter plate grouping pulling-open cake-unloading and cloth-washing dual-purpose limiting device.
The technical scheme adopted by the invention for solving the problems in the prior art is as follows: a high-efficient filter press filter plate group pulls open unloads the cake and washes the cloth dual-purpose stop device, compared with prior art, its overall structure features, this apparatus is mainly made up of spare parts such as cake unloading stop, cloth washing stop, L-shaped spacing regulating plate, simple in construction; the method has the prominent substantive characteristics that an operation program is innovated, and a cloth washing limiter is additionally arranged on the basis of the original cake unloading limiting device and is communicated with a PLC program control cabinet; the two limiters are fixed on an L-shaped limiting adjusting plate (the positions of the two limiters are adjustable), the cake unloading limiter is close to one side of the push plate, the cloth washing limiter is close to one side of the machine base (far away from the push plate) and keeps a certain distance (100 mm-200 mm) with each other, and the limiting adjusting plate is arranged on a cross beam of the filter press behind the push plate; the two limiters are interlocked, the final stop positions of the filter plates are pulled open when cake unloading and cloth washing are respectively controlled, the filter plates in each group are connected by chains with equal length, the filter plates in each group are connected by longer chains, the chain length of each group and the positions of the two limiters are adjusted, the filter plates are pulled open in groups in one step, and therefore the plate pulling time is effectively shortened, and the production efficiency of the filter press is improved.
Furthermore, the additional shape of the L-shaped limit adjusting plate is characterized by being L-shaped and is made of stainless steel materials, a moving adjusting hole is formed in one surface of the L-shaped limit adjusting plate, the cake unloading limiter and the cloth washing limiter are installed in the moving adjusting hole, and the two limiters can be adjusted in position in the moving adjusting hole; two screw holes are arranged on the other surface of the L-shaped limit adjusting plate so as to fix the limit adjusting plate on a cross beam of the filter press.
Furthermore, the arranged cake unloading limiter is additionally technically characterized in that a PLC program control system defaults to be in a normally open state, and when the filter press finishes filtering and only cake unloading is needed, the plate pulling trolleys automatically pull apart the filter plates in groups to realize gravity cake unloading; the plate pulling and cake discharging process comprises the following steps: the plate pulling trolley pulls the head plate (each group of first filter plate, the first group of head plate is a push plate) of the first group of filter plates to drive the whole group of filter plates to move forwards, when the cake unloading limiter senses the head plate (the set cake unloading position), the first group of filter plates stop moving forwards, the second group of filter plates are not pulled right away, the plate pulling trolley is blocked, the trolley speed reduction motor senses resistance and automatically rotates reversely, the plate pulling trolley is driven to move backwards in a reverse mode, the second group of filter plates are pulled away, and the process is circulated repeatedly until all the filter plates are pulled away to unload cakes.
Furthermore, the arranged cloth washing limiter is additionally technically characterized in that a PLC program control system defaults to be in a normally closed state, when filter cloth needs to be cleaned immediately after cake unloading (in an irregular state), a cloth washing switch on the PLC program control cabinet is manually pressed, the cloth washing limiter is opened, and meanwhile, the cake unloading limiter is automatically closed in a linkage manner; because the cloth washing limiter is far away from the push plate than the cake unloading limiter, when the cloth washing limiter senses the head plate, the head plate can still move forward by a certain distance (the set cloth washing position), the head plate of the rear group can be pulled open just by the certain distance, each filter plate is pulled open to the set cloth washing position in one step, the filter cloth is automatically cleaned by the water washing trolley, and the single complete operation cycle of the filter press can be automatically completed by one key.
The high-efficiency filter press filter plate grouping pulling-open cake-unloading and cloth-washing dual-purpose limiting device provided by the invention has the obvious advantages of dual-purpose limiting adjustment, high plate-pulling efficiency and accurate positioning, and has the beneficial effects of breaking through the prior art that a single complete operation cycle (including cake-unloading, cloth-washing and the like) of an automatic filter press cannot be automatically completed by one key, realizing the one-step in-place of the grouping pulling-open cake-unloading and the cloth-washing of the filter plates, effectively shortening the plate-pulling time, accelerating the cycle operation of the filter press and improving the production efficiency of the filter press.
Drawings
Fig. 1 is a schematic perspective view of a limiting device for separating filter plates into groups, discharging cakes and washing cloth.
Fig. 2 is an assembly schematic diagram of the high-efficiency filter press with filter plates pulled apart in groups according to the invention.
FIG. 3 is an enlarged schematic view of the relative position of the dual-purpose limiting device and the push plate.
Reference numerals: 1-L-shaped limit adjusting plate, 2-cloth washing limit device, 3-cake unloading limit device, 4-moving adjusting hole, 5-dual-purpose limit device, 6-filter plate, 7-head plate (each group of first filter plate), 8-machine base, 9-push plate, 10-pull plate trolley, 11-water washing trolley, 12-PLC program control cabinet, 13-connecting chain and 14-filter press beam.
Detailed Description
The technical scheme of the embodiment of the invention is described below by combining with the attached drawings in the embodiment of the high-efficiency filter press filter plate grouping pulling-open cake-unloading and cloth-washing dual-purpose limiting device of the invention, and the described embodiment is only a part of the preferred embodiment of the invention, but not all embodiments. All other embodiments which are not inventive and are made by those skilled in the art based on the embodiments of the present invention, such as the arrangement with the same limitation principle for discharging cake and washing cloth and different sensing modes, belong to the protection scope of the present invention.
Example 1
The high-efficiency filter press filter plate grouping pulling-open cake-unloading and cloth-washing dual-purpose limiting device is characterized in that the device mainly comprises an L-shaped limiting adjusting plate 1, a cloth-washing limiter 2, a cake-unloading limiter 3 and other parts, and is simple in structure; the method has the prominent substantive characteristics that an operation program is innovated, and a cloth washing limiter 2 is additionally arranged on the basis of the original cake unloading limiting device and is communicated with a PLC program control cabinet 12; the two limiters are fixed on an L-shaped limiting and adjusting plate 1 (the positions of the two limiters are adjustable), the cake unloading limiter 3 is close to one side of the push plate 9, the cloth washing limiter 2 is close to one side of the machine base 8 (far away from the push plate 9) and keeps a certain distance (100 mm-200 mm) with each other, and the limiting and adjusting plate is arranged on a cross beam 14 of the filter press behind the push plate 9; the two limiters are interlocked, the final stop positions of the filter plates 6 are pulled open when cake unloading and cloth washing are respectively controlled, the filter plates 6 of each group are connected by chains 13 with equal length, the groups are connected by longer chains, the chain length of the groups and the positions of the two limiters are adjusted, the filter plates 6 are pulled open in one step in groups, and therefore the plate pulling time is effectively shortened, and the production efficiency of the filter press is improved.
The L-shaped limit adjusting plate 1 is characterized by being L-shaped in additional shape and made of stainless steel, a moving adjusting hole 4 is formed in one surface of the L-shaped limit adjusting plate 1, the cake discharging limiter 3 and the cloth washing limiter 2 are installed in the moving adjusting hole 4, and the two limiters can be adjusted in position in the moving adjusting hole 4; two screw holes are formed on the other surface of the L-shaped position-limiting adjusting plate 1 so as to fix the position-limiting adjusting plate 1 on the filter press beam 14.
The dual-purpose limiting device solves the technical problem that the existing limiting device for grouping and pulling open of the filter plates of the filter press can not control the filter plates to clean filter cloth in one step.
Example 2
The filter plate group pulls open unloads cake and washes cloth dual-purpose stop device and its corresponding high-efficient pressure filter unloads the operation procedure of the cake: the PLC program control system of the high-efficiency filter press defaults that the cake unloading limiter 3 (NBN 25-30GM65-E2 sensor) is in a normally open state, when the filter press finishes filtering and only cake unloading is needed (most of circulating operations do not need to clean filter cloth), the pulling plate trolleys 10 automatically pull open the filter plates 6 in groups to realize gravity cake unloading; the plate pulling and cake discharging process comprises the following steps: the plate pulling trolley 10 pulls the head plate 7 (each group of first filter plate, the first group of head plate is a push plate) of the first group of filter plates to drive the whole group of filter plates 6 to move forwards, when the cake unloading limiter 3 senses the head plate 7 (the set cake unloading position), the first group of filter plates 6 stop moving forwards, the second group of filter plates 6 are not pulled right, the plate pulling trolley 10 is blocked, the trolley speed reduction motor senses resistance and automatically rotates reversely, the plate pulling trolley 10 is driven to move backwards in a reverse direction, the second group of filter plates 6 are pulled, and the reciprocating circulation is carried out until all the filter plates 6 are pulled back to unload cakes.
The filter plate group pulls open unloads cake and washes the dual-purpose stop device of cloth and its corresponding high-efficient filter press and washes the operating procedure of the cloth: the PLC program control system of the high-efficiency filter press defaults that a cloth washing limiter (NBN 25-30GM65-E2 sensor) is in a normally closed state, when filter cloth needs to be cleaned immediately after cake unloading (in an irregular period), a cloth washing switch on the PLC program control cabinet 12 is manually pressed, the cloth washing limiter 2 is opened, and meanwhile, the cake unloading limiter 3 is automatically closed in a linkage manner; because the cloth washing limiter 2 is far away from the push plate 9 than the cake unloading limiter 3, when the cloth washing limiter 2 senses the head plate 7, the head plate 7 can still move forward by a certain distance (a set cloth washing position), and the head plate 7 of the rear group can be pulled open just by the certain distance, so that each filter plate 6 is pulled open to the set cloth washing position in one step, the washing trolley 11 automatically cleans the filter cloth, and the single complete operation cycle of the filter press can be automatically completed by one key.
The invention has the advantages that the setting and the innovative operation procedures of cake unloading and cloth washing of the high-efficiency filter press are automatically completed by one key, and the filter plates 6 are pulled open in groups, the cake unloading and the cloth washing are completed in one step, so that the plate pulling time is effectively shortened, the circulating operation of the filter press is accelerated, and the production efficiency of the filter press is improved.
Claims (4)
1. The invention provides a high-efficiency filter press filter plate grouping pulling-open cake-unloading and cloth-washing dual-purpose limiting device which is characterized by mainly comprising a cake-unloading limiting device, a cloth-washing limiting device, an L-shaped limiting adjusting plate and other parts; the method has the prominent substantive characteristics that an operation program is innovated, and a cloth washing limiter is additionally arranged on the basis of the original cake unloading limiting device and is communicated with a PLC program control cabinet; the two limiters are fixed on an L-shaped limiting adjusting plate (the positions of the two limiters are adjustable), the cake unloading limiter is close to one side of the push plate, the cloth washing limiter is close to one side of the machine base (far away from the push plate) and keeps a certain distance (100 mm-200 mm) with each other, and the limiting adjusting plate is arranged on a cross beam of the filter press behind the push plate; the two limiters are interlocked, the final stop positions of the filter plates are pulled open when cake unloading and cloth washing are respectively controlled, the filter plates of each group are connected by chains with equal length, the filter plates of each group are connected by longer chains, the length of the chains of the groups and the positions of the two limiters are adjusted, and the filter plates are pulled open in one step in groups.
2. The limiting device for the filter plates of the high-efficiency filter press to pull open and unload cakes and wash cloth in groups according to claim 1, which is characterized in that the L-shaped limiting adjusting plate is L-shaped and made of stainless steel, a moving adjusting hole is arranged on one surface of the L-shaped limiting adjusting plate, the cake unloading limiter and the wash cloth limiter are arranged in the moving adjusting hole, and the two limiters can be adjusted in position in the moving adjusting hole; two screw holes are arranged on the other surface of the L-shaped limit adjusting plate so as to fix the limit adjusting plate on a cross beam of the filter press.
3. The high-efficiency filter press filter plate grouping pulling-open cake-unloading and cloth-washing dual-purpose limiting device of claim 1, wherein the cake-unloading limiter is a NBN25-30GM65-E2 sensor, a PLC program control system defaults to be in a normally open state, and when the filter press finishes filtering and only cake unloading is needed, the plate-pulling trolleys automatically group and pull open the filter plates to realize gravity cake unloading; the plate pulling and cake discharging process comprises the following steps: the plate pulling trolley pulls the head plate (each group of first filter plate, the first group of head plate is a push plate) of the first group of filter plates to drive the whole group of filter plates to move forwards, when the cake unloading limiter senses the head plate (the set cake unloading position), the first group of filter plates stop moving forwards, the second group of filter plates are not pulled right away, the plate pulling trolley is blocked, the trolley speed reduction motor senses resistance and automatically rotates reversely, the plate pulling trolley is driven to move backwards in a reverse mode, the second group of filter plates are pulled away, and the process is circulated repeatedly until all the filter plates are pulled away to unload cakes.
4. The device for limiting the filter plates of the high-efficiency filter press to pull open and unload cakes and wash cloth in groups according to claim 1, wherein the cloth washing limiter is an NBN25-30GM65-E2 sensor, the PLC program control system defaults to a normally-closed state, and when the filter cloth needs to be cleaned immediately after cake unloading (at irregular intervals), a cloth washing switch on the PLC program control cabinet is manually pressed, the cloth washing limiter is opened, and the cake unloading limiter is automatically interlocked and closed; because the cloth washing limiter is far away from the push plate than the cake unloading limiter, when the cloth washing limiter senses the head plate, the head plate can still move forward by a certain distance (the set cloth washing position), the head plate of the rear group can be pulled open just by the certain distance, each filter plate is pulled open to the set cloth washing position in one step, the filter cloth is automatically cleaned by the water washing trolley, and the single complete operation cycle of the filter press can be automatically completed by one key.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101603.XA CN110665268B (en) | 2019-11-12 | 2019-11-12 | Two-purpose limit device for grouping pulling-out cake-unloading and cloth-washing of filter plate of high-efficiency filter press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101603.XA CN110665268B (en) | 2019-11-12 | 2019-11-12 | Two-purpose limit device for grouping pulling-out cake-unloading and cloth-washing of filter plate of high-efficiency filter press |
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| CN110665268A true CN110665268A (en) | 2020-01-10 |
| CN110665268B CN110665268B (en) | 2024-05-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135618A (en) * | 2020-03-20 | 2020-05-12 | 景津环保股份有限公司 | Filter plate grouping pulling open and filter cloth block by block cleaning tuning device and corresponding high-efficiency filter press |
| CN116440548A (en) * | 2023-02-21 | 2023-07-18 | 茂名市鹰鹏机电设备有限公司 | Closed plate type filtering device |
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| CN116440548B (en) * | 2023-02-21 | 2023-12-08 | 茂名市鹰鹏机电设备有限公司 | Closed plate type filtering device |
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Address after: 253034 Shandong city in Dezhou Province Economic Development Zone, the first northbound Regent Applicant after: Jingjin Equipment Co.,Ltd. Address before: 253034 Shandong city in Dezhou Province Economic Development Zone, the first northbound Regent Applicant before: Jing Jin Environmental Protection Inc. |
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