CN115445266A - System for online acid water gas washing plate frame filter cloth - Google Patents
System for online acid water gas washing plate frame filter cloth Download PDFInfo
- Publication number
- CN115445266A CN115445266A CN202211244316.6A CN202211244316A CN115445266A CN 115445266 A CN115445266 A CN 115445266A CN 202211244316 A CN202211244316 A CN 202211244316A CN 115445266 A CN115445266 A CN 115445266A
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- washing
- filter cloth
- acid
- frame filter
- water gas
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- 238000005406 washing Methods 0.000 title claims abstract description 70
- 239000002253 acid Substances 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000004744 fabric Substances 0.000 title claims abstract description 41
- 238000005554 pickling Methods 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 9
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 9
- 230000007935 neutral effect Effects 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 239000010802 sludge Substances 0.000 abstract description 20
- 231100001261 hazardous Toxicity 0.000 abstract description 2
- 235000021110 pickles Nutrition 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 16
- 239000002351 wastewater Substances 0.000 description 14
- 238000011010 flushing procedure Methods 0.000 description 9
- 238000006297 dehydration reaction Methods 0.000 description 5
- 101100190617 Arabidopsis thaliana PLC2 gene Proteins 0.000 description 4
- 101100408456 Arabidopsis thaliana PLC8 gene Proteins 0.000 description 4
- 101100464304 Caenorhabditis elegans plk-3 gene Proteins 0.000 description 4
- 101100093534 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPS1B gene Proteins 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- B01D25/21—Plate and frame presses
- B01D25/215—Construction of the filter plates, frames
-
- 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
- B01D25/21—Plate and frame presses
-
- 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
- B01D25/325—Removal of the filter cakes counter-current flushing, e.g. by air bumps
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention provides a system for washing plate frame filter cloth by acid water gas on line, which relates to the field of sludge treatment and comprises: the control module is used for sending out an acid washing instruction; and the pickling system is electrically connected with the control module and is configured to execute corresponding online pickling operation based on the pickling instruction. Compare in prior art the manual work and carry out abluent mode, adopt the scheme of this embodiment, can realize the online pickling to the sheet frame filter cloth of sheet frame hydroextractor to avoid personnel and hazardous articles (pickle) contact, also can alleviate personnel's work load to a certain extent.
Description
Technical Field
The invention relates to the field of sludge treatment, in particular to a system for washing plate frame filter cloth by acid water gas on line.
Background
Sewage is generated in daily life, industrial production and other aspects, sludge is a large amount of semi-solid or solid substances generated in the sewage treatment process, and the generated sludge is usually temporarily stored in a temporary storage pit. In order to make a large amount of sludge not pollute the environment and to be reasonably reused, a large amount of sludge is usually subjected to reduction, harmless treatment and recycling treatment. For example, the sludge is concentrated, conditioned, dewatered, stabilized, dried, or incinerated. In the technical field of sludge dewatering, technologies such as centrifugal dewatering, plate frame dewatering and the like are generally adopted at present, the plate frame dewatering is performed through extrusion and filtration, and the filter cloth is abraded and blocked in different degrees after long-time operation, and for the situation, the conventional method is to manually replace the filter cloth or manually clean the filter cloth, so that the great potential safety hazard exists when the filter cloth is manually replaced, the plate frame dewatering is usually positioned at a high position, the dewatered sludge falls into a screw conveyor below by virtue of gravity, and once personnel fall from high altitude, the consequences cannot be imagined; and the cost is greatly increased by replacing the filter cloth, and the cost of a single set of filter cloth is 400-800 yuan if the number of the filter cloth of a general large-sized dewatering plate frame is small, so that the cost of replacing one plate frame is nearly tens of thousands yuan, the cost of replacing one filter cloth by 28 sets of plate frame machines on the old port sludge project site is nearly 300 ten thousands yuan, and the replacement frequency of old port sludge is increased due to the problems of mud and magazines, so the cost is greatly increased. If not change the filter cloth, the manual work is washd, there is the safety risk equally, the manual cleaning needs to take off the filter cloth, carry out the pickling on ground, cause personnel direct and hazardous articles contact, finally, the artifical change inefficiency of filter cloth, the space is narrow and small, can only go into alone at every turn, everybody can only work 4 hours a day, consequently, need drop into 6 classes of personnel and just can guarantee to change one set of equipment in 24 hours, cause the equipment to stop production, influence the production progress, and increased personnel in poisonous and harmful finite space operating time, the potential safety hazard has huge risk, the cost of labor has also been increased. Therefore, an on-line cleaning method needs to be invented, manual operation can be greatly reduced, efficiency is increased, and stable operation of equipment is guaranteed.
Disclosure of Invention
The invention aims to provide a system for washing a plate frame filter cloth by on-line acid water gas, which can realize on-line acid washing of the plate frame filter cloth of a plate frame dehydrator, thereby avoiding contact between personnel and dangerous goods (acid washing liquid) and reducing the workload of the personnel to a certain extent.
In a first aspect, an embodiment of the present invention provides a system for on-line acid water gas cleaning of a plate frame filter cloth, including:
the control module is used for sending out an acid washing instruction;
and the pickling system is electrically connected with the control module and is configured to execute corresponding online pickling operation based on the pickling instruction.
In some embodiments, the in-line pickling operation includes delivering a diluted acid wash.
In some embodiments, the in-line pickling operation includes pumping the diluted acidic cleaning solution through water into the active volume between the host system filter plates.
In some embodiments, the pickling still bubble time is 5-6h when performing the corresponding on-line pickling operation.
In some embodiments, pneumatic valves controlling other process lines are closed and inlet valves controlling the pickling are also closed while performing the corresponding on-line pickling operation.
In some embodiments, the control module comprises a PLC.
In some embodiments, the acid wash command is issued by the PLC.
In some embodiments, the ultrasonic cleaning apparatus further comprises an ultrasonic generator and a water washing system connected to the control module, wherein the ultrasonic generator is used for generating micro-bubbles and is configured to perform ultrasonic cleaning on the filter cloth after the filter cloth is subjected to acid washing and water washing.
In some embodiments, the PLC is configured to issue a water wash command; the ultrasonic cleaning time is 5-10 minutes.
In some embodiments, the water wash system is configured to deliver a cleaning fluid at a neutral pH.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a reference diagram of a usage state of a high-frequency ultrasonic integrated acid water gas washing filter cloth device of a plate-and-frame dehydrator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a filter plate according to an embodiment of the present invention at a first angle;
fig. 3 is a schematic structural view of a filter plate at a second angle according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the filter plate according to a third angle in the embodiment of the present invention;
fig. 5 is a schematic structural view of the filter plate according to a fourth angle in the embodiment of the present invention;
fig. 6 is a schematic structural view of the filter plate according to a fifth angle in the embodiment of the present invention;
fig. 7 is a schematic view illustrating a first state of the filter plate according to an embodiment of the present invention, in which ultrasonic cleaning is performed;
fig. 8 is a schematic view illustrating a second state of the filter plate according to an embodiment of the present invention, in which ultrasonic cleaning is performed.
Icon:
1-distribution cabinet
2-PLC cabinet
3-main engine hydraulic system
4-Main unit system (Filter plate, filter cloth, main unit structure)
5-waste water system
6-compressor 1
7-compressed air storage tank 1
8-compressor 2
9-compressed air storage tank 2
10-acid cleaning system
11-Water washing System
12-mud intake system
13-dryer, precision filtration system
14-pneumatic valve for instrument
15-pickling system delivery water pump
16-mud-inlet system water conveying pump
17-acid cleaning system pneumatic valve
18-water system pneumatic valve
19-back blowing system pneumatic valve
20-dewatering outlet PH meter
21-dehydration water outlet pneumatic valve
22-plate frame filter plate
23-plate frame main frame beam
24-water outlet
25-mud inlet and cleaning liquid inlet hole
26-plate frame stainless steel plate
27-ultrasonic transducer power supply hole
28-ultrasonic energy converter
29-inside the filter plate
30-cleaning solution
31-micro bubbles
32-plate frame filter cloth
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, the present embodiment provides a high-frequency ultrasonic integrated acid water gas washing filter cloth device of a plate-and-frame dehydrator, which mainly includes: the system comprises an ultrasonic generating device, a host system 4, a PLC control system, a compressed air system, an acid washing system 10, a water washing system, a back flushing system, an instrument valve gas system, a mud inlet system, a wastewater system 5 and an electrical system. Wherein, the control module and the acid washing system 10 can form the system for washing the plate frame filter cloth by the on-line acid water gas of the embodiment.
This ultrasonic wave generating device is mainly after pickling and washing are accomplished, sends the instruction through the PLC system, begins to carry out ultrasonic cleaning, and the signal of telecommunication passes through energy converter, finally gets rid of the filth through the microbubble.
The host system 4 mainly comprises a hydraulic system, a host structure, a filter plate, filter cloth and the like, and is a core component for each procedure of sludge dewatering, acid washing, water washing and purging.
The PLC system is mainly used for controlling the interlocking and the command of each system and receiving the signal of each instrument.
The compressed air system mainly generates compressed air through a compressor, the compressed air is dried through a dryer, one part of the dried compressed air is used for a back flushing program of a host, one part of the dried compressed air is filtered through a precision filter, and the qualified compressed air is used for each instrument valve through an air source distributor.
The acid cleaning system 10 mainly pumps diluted acid cleaning solution into an effective volume between filter plates of the host system 4 through water.
The washing system mainly comprises the steps of conveying PH neutral washing liquid to an effective solvent between filter plates in a host system 4, replacing pickling liquid, washing the neutral washing liquid, replacing the washing liquid again after washing, waiting for a PLC (programmable logic controller) instruction, and performing ultrasonic washing.
The back flushing system is mainly used for replacing cleaning liquid in the host system 4 after ultrasonic cleaning, and cleaning filter cloth between a filter plate and a filter plate in the host system 4 again through compressed air with certain pressure.
The instrument valve gas utilization system is mainly characterized in that a compressed air system achieves qualified compressed air after being processed by a precision filter, and the compressed air is conveyed to pneumatic valves on various process systems through the gas utilization system.
The sludge feeding system mainly sends the qualified conditioned sludge to the inside of the host system 4.
The wastewater system 5 is mainly used for storing filter liquor after sludge dewatering and sending wastewater out of the system through high-low liquid level interlocking.
The electrical system mainly sends the power needed by each process system to each system through the power distribution cabinet 1.
Wherein, advance the mud system and receive after coming from the qualified mud of front end, carry out the mud through adding the medicine and take care of, take care of qualified mud and send to host system 4 through mud delivery pump, there is the pressure instrument in host system 4, after reaching certain pressure, advance the mud system and accomplish, the valve is closed, the mud after the dehydration exists in the effective volume between filter plate and the filter plate, the filtrating of taking off gets into in wastewater system 5, wastewater storage tank and level gauge have the interlock function in the wastewater system 5, after the liquid level reached certain numerical value, wastewater system 5 carries waste water to the system outside.
In this embodiment, after the pressure of the hydraulic system in the host system 4 is released, manual sludge discharge is started, sludge between the filter plates is discharged, after the sludge is discharged, the host system 4 recovers the hydraulic system, the filter plates and the filter plates are squeezed again, and after a certain pressure value is reached, the working condition is maintained; next step of PLC program instruction, the acid washing system 10 pumps the diluted acid washing liquid into the host system 4 through a delivery water pump, a PH meter and a pressure gauge are installed on a water outlet process pipeline of the host system 4 and fed back to the PLC system through the PH meter and the pressure gauge, when the PH value of the solution in the acid washing system 10 is displayed to be close to the PH value of the solution, the diluted solution can be determined to be full of the effective volume in the whole host system 4, and the acid washing is carried out for 5-6 hours; and during the pickling, pneumatic valves of other process pipelines are closed, pickling liquid is strictly forbidden to enter other systems, and inlet valves of pickling are also closed.
In this embodiment, the pneumatic valve of export process pipeline opens after the pickling, and the inlet valve of washing system opens, carries clear water to host system 4 in through the delivery water pump, and the pickler north drainage host system 4 in the system is outside, whether is close to 6 ~ 9 finally through the PH meter, and the affirmation washing is accomplished.
In this embodiment, go on once more after the washing is accomplished and inject the washing liquid into host system 4 through the washing system again, judge through manometer numerical value whether to live full of washing liquid in the host system 4, the PLC system starts ultrasonic generating device, through ultrasonic transducer with energy transfer to the washing liquid in, wash thoroughly carrying on one time with the filth on the filter cloth. The ultrasonic cleaning time is 5-10 min, and the water is washed again by a water pump of a water washing system after cleaning.
In this embodiment, after the water washing is completed, each valve is closed, the water outlet valve is opened, the compressed air system is opened, and after the pressure value reaches 2-3 bar, the PLC system instructs the back flushing system, the back flushing system opens the back flushing and air inlet valve, the compressed air enters the host system 4, and the residual sewage and the cleaning solution in the system are flushed together, and the flushing time is controlled within 15-20 min. After purging is completed, the PLC system may proceed to the next cleaning process for the host system 4.
Through changing the manual work into the online clearance filter cloth, and then avoided the safety risk of manual work change filter cloth when large-scale mud project adopts the sheet frame dehydration, saved a large amount of filter cloth expenses, cost of labor equally, work efficiency has also been improved widely, and time efficiency has improved and has been close to 75%.
As more detailed description, the high-frequency ultrasonic integrated acid water gas filter cloth flushing device of the plate-and-frame dehydrator mainly comprises: the system comprises a power distribution cabinet 1, a PLC cabinet 2, a host system 4, a wastewater system 5, a compressor 6, a sludge inlet system 12, an acid washing system 10 and a water washing system 11.
Wherein, it is inside to advance mud system 12 will condition qualified mud and send to host system 4, and host system 4 judges through the manometer on the host system whether to advance mud and accomplish, and the host system after accomplishing into mud system gets into on next step, begins to carry out the extrusion dehydration to mud, and pneumatic valve 21 on the dehydration back is opened, and the filtrating flows into wastewater system 5 from the export, contains the liquid level interlocking on the wastewater system 5, sends out the system outside with the filtrating. And the next step is the mud discharging procedure.
As a preferred embodiment, the PLC2 sends out an acid washing command, the sludge inlet system 12, the wastewater system 5 and the pneumatic valves 21 are closed, the pneumatic valves 18 and 19 of the water washing system and the reverse blowing system are closed, the pneumatic valve 17 of the acid washing system is opened, the water conveying pump 15 of the acid washing system is started, acid washing liquid is conveyed into the host system 4, the operation is stopped after the pressure displays a certain value, and the acid washing time is 5-6 hours.
In a preferred embodiment, the PLC2 starts to perform the next operation after receiving the pickling time signal, the pickling system pneumatic valve 17 is closed, the pneumatic valve 21 on the dewatering device is opened, the washing system 11 starts to operate, the washing system pneumatic valve 18 and the washing system water pump operate, the waste water after pickling is flushed, and the flushing is stopped after the PH meter 20 of the dewatering effluent shows neutral.
In a preferred embodiment, the PLC2 instructs the pneumatic valve 21 on the dewatering machine to close, and the washing system 11, the pneumatic valve 18 and the water pump are operated, and the operation is stopped when the pressure reaches a certain value.
In a preferred embodiment, the PLC2 commands the operation of the ultrasonic generator and the operation of the ultrasonic transducer 28 to perform the flushing of the filter cloth.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a system for online sour water gas washing sheet frame filter cloth which characterized in that includes:
the control module is used for sending an acid washing instruction;
and the pickling system is electrically connected with the control module and is configured to execute corresponding online pickling operation based on the pickling instruction.
2. The system for on-line acid water gas washing of plate and frame filter cloths of claim 1, wherein the on-line acid washing operation includes delivering a diluted acidic cleaning solution.
3. The system for on-line acid water gas washing of plate and frame filter cloths of claim 2, wherein the on-line acid washing operation comprises pumping the diluted acid cleaning solution through water into the active volume between the filter plates of the host system.
4. The system for on-line acid water gas washing of plate and frame filter cloth of claim 3, wherein the acid wash still soak time is 5-6 hours when the corresponding on-line acid wash operation is performed.
5. The system for on-line acid water gas washing of plate and frame filter cloth of claim 3, wherein pneumatic valves controlling other process lines are closed and inlet valves controlling acid washing are also closed while performing the corresponding on-line acid washing operation.
6. The system for on-line acid water gas washing of plate and frame filter cloths of claim 1, wherein the control module comprises a PLC.
7. The system for on-line acid water gas washing of plate and frame filter cloths of claim 6, wherein the acid wash command is issued by the PLC.
8. The system for on-line acid water gas washing of a plate and frame filter cloth of claim 6, further comprising an ultrasonic generator and a water washing system connected to the control module, the ultrasonic generator for generating micro-bubbles configured to ultrasonically clean the filter cloth after the filter cloth is acid washed and water washed.
9. The system for on-line acid water gas washing of plate and frame filter cloth of claim 8, wherein the PLC is configured to issue a water washing command; the ultrasonic cleaning time is 5-10 minutes.
10. The system for on-line acid water gas cleaning of plate and frame filter cloths of claim 8, wherein the water cleaning system is configured to deliver a cleaning solution having a neutral PH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211244316.6A CN115445266A (en) | 2022-10-12 | 2022-10-12 | System for online acid water gas washing plate frame filter cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211244316.6A CN115445266A (en) | 2022-10-12 | 2022-10-12 | System for online acid water gas washing plate frame filter cloth |
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| Publication Number | Publication Date |
|---|---|
| CN115445266A true CN115445266A (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211244316.6A Pending CN115445266A (en) | 2022-10-12 | 2022-10-12 | System for online acid water gas washing plate frame filter cloth |
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| CN (1) | CN115445266A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487555A (en) * | 2022-10-12 | 2022-12-20 | 上海市政工程设计研究总院（集团）有限公司 | High-frequency ultrasonic integrated acid water gas washing filter cloth device of plate-and-frame dehydrator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001025612A (en) * | 1999-07-14 | 2001-01-30 | Ishigaki Co Ltd | Clogging preventing method of filter cloth for filter press |
| CN1915869A (en) * | 2005-08-19 | 2007-02-21 | 力晶半导体股份有限公司 | Method for automatic rinsing filter cloth for sludge dewatering system, and press filtration type sludge dewatering machine |
| CN103191594A (en) * | 2013-04-03 | 2013-07-10 | 马钢(集团)控股有限公司 | Acid scale removing device of filter press and acid scale removing process of filter press |
| CN203400542U (en) * | 2013-07-04 | 2014-01-22 | 江苏碧水源环境科技有限责任公司 | Filter cloth online soaking and pickling system of filter press in sludge dewatering work |
| CN207286792U (en) * | 2017-09-15 | 2018-05-01 | 济宁学院 | Plate-frame filtering device |
| CN109502945A (en) * | 2018-12-26 | 2019-03-22 | 毅康科技有限公司 | A kind of sludge high-drying dehydration device and its application method |
| CN209596647U (en) * | 2018-12-25 | 2019-11-08 | 湖南隆辉环保有限公司 | A kind of Treatment of Sludge canvas press cloth cleaning system |
| CN217188093U (en) * | 2021-12-01 | 2022-08-16 | 安徽六国化工股份有限公司 | Plate-and-frame filter pressing system with filter cloth cleaning and regenerating functions |
| CN115487555A (en) * | 2022-10-12 | 2022-12-20 | 上海市政工程设计研究总院（集团）有限公司 | High-frequency ultrasonic integrated acid water gas washing filter cloth device of plate-and-frame dehydrator |
-
2022
- 2022-10-12 CN CN202211244316.6A patent/CN115445266A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001025612A (en) * | 1999-07-14 | 2001-01-30 | Ishigaki Co Ltd | Clogging preventing method of filter cloth for filter press |
| CN1915869A (en) * | 2005-08-19 | 2007-02-21 | 力晶半导体股份有限公司 | Method for automatic rinsing filter cloth for sludge dewatering system, and press filtration type sludge dewatering machine |
| CN103191594A (en) * | 2013-04-03 | 2013-07-10 | 马钢(集团)控股有限公司 | Acid scale removing device of filter press and acid scale removing process of filter press |
| CN203400542U (en) * | 2013-07-04 | 2014-01-22 | 江苏碧水源环境科技有限责任公司 | Filter cloth online soaking and pickling system of filter press in sludge dewatering work |
| CN207286792U (en) * | 2017-09-15 | 2018-05-01 | 济宁学院 | Plate-frame filtering device |
| CN209596647U (en) * | 2018-12-25 | 2019-11-08 | 湖南隆辉环保有限公司 | A kind of Treatment of Sludge canvas press cloth cleaning system |
| CN109502945A (en) * | 2018-12-26 | 2019-03-22 | 毅康科技有限公司 | A kind of sludge high-drying dehydration device and its application method |
| CN217188093U (en) * | 2021-12-01 | 2022-08-16 | 安徽六国化工股份有限公司 | Plate-and-frame filter pressing system with filter cloth cleaning and regenerating functions |
| CN115487555A (en) * | 2022-10-12 | 2022-12-20 | 上海市政工程设计研究总院（集团）有限公司 | High-frequency ultrasonic integrated acid water gas washing filter cloth device of plate-and-frame dehydrator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487555A (en) * | 2022-10-12 | 2022-12-20 | 上海市政工程设计研究总院（集团）有限公司 | High-frequency ultrasonic integrated acid water gas washing filter cloth device of plate-and-frame dehydrator |
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