CN112807827A - Full-automatic cleaning and filtering system - Google Patents
Full-automatic cleaning and filtering system Download PDFInfo
- Publication number
- CN112807827A CN112807827A CN202011385276.8A CN202011385276A CN112807827A CN 112807827 A CN112807827 A CN 112807827A CN 202011385276 A CN202011385276 A CN 202011385276A CN 112807827 A CN112807827 A CN 112807827A
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- Prior art keywords
- pipeline
- filter
- valve
- filtering system
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- 238000001914 filtration Methods 0.000 title claims abstract description 42
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- 239000002893 slag Substances 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 238000011010 flushing procedure Methods 0.000 claims abstract description 12
- 239000013049 sediment Substances 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000012065 filter cake Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a full-automatic cleaning and filtering system, which comprises a plurality of parallel filters, an inlet pipeline, an outlet pipeline and a back flushing pipeline which are connected with the filters, and a slag discharging pipeline arranged below the filters; the filter is communicated with a slag discharge valve at the bottom of the slag discharge pipeline through the filter, one end of the slag discharge pipeline is provided with a flushing valve, an inlet valve is arranged on the inlet pipeline, an outlet valve is arranged on the outlet pipeline, and a back flushing valve is arranged on the back flushing pipeline. The filter system is provided with a unique quick-opening structure to facilitate replacement of the filter element; the filtering system integrates a valve, an instrument and an electric control unit, has compact integral structure and small occupied area, and is suitable for being used on ships; the filtering system can realize full-automatic operation and continuous operation, does not need personnel to operate and maintain, and can ensure the stable work of the system only by regularly replacing the filtering element, thereby greatly reducing the maintenance cost of the system.
Description
Technical Field
The invention relates to the technical field of water treatment filters, in particular to a full-automatic cleaning and filtering system.
Background
The international maritime organization IMO "sulfur limit" aims at reducing the sulfur content of marine fuels from 3.5% to 0.5% in most areas of the world today, or requires the installation of a desulfurization tower onboard to prevent the release of sulfur oxides into the atmosphere.
In order to cope with the IMO sulfur limit, the washing tower for the ship is one of the most effective means in the industry at present in consideration of the reforming cost and the later operation cost. However, the washing water has adverse effect on the marine environment, and how to treat the desulfurization wastewater of the closed system becomes a concern.
The removal of ash, heavy metals and PAH (polycyclic aromatic hydrocarbons) in the washing water is the key to controlling the emission of sulfides. Because the solid content in the washing water is higher, and the granule is slight, and contains a small amount of PAH (polycyclic aromatic hydrocarbon), the equipment commonly used that uses in the existing trade is centrifuge, but centrifuge can't satisfy the requirement that the impurity was got rid of completely, often appears the filtration efficiency unstability moreover, and the condition that the filter fineness is not up to standard, and later stage use maintenance cost is great.
In view of the above, there is a need for an improved apparatus for treating desulfurized wastewater in the prior art to solve the above problems.
Disclosure of Invention
The invention aims to disclose a full-automatic cleaning and filtering system designed for ship desulfurization wastewater, which adopts a backwashing/back flushing structural design, automatically purifies and discharges slag, and the discharged water meets the discharge standard of the washing water of a classification society, thereby effectively solving the problems of unstable filtering efficiency and substandard filtering precision and realizing the purpose of zero emission.
In order to achieve the aim, the invention provides a full-automatic cleaning and filtering system which comprises a plurality of filters (1) connected in parallel, an inlet pipeline (15), an outlet pipeline (10) and a back-blowing pipeline (9) which are connected with the filters (1), and a slag discharge pipeline (17) arranged below the filters (1); filter (1) and row's sediment pipeline (17) are through arranging sediment valve (18) intercommunication of filter (1) bottom, arrange sediment pipeline (17) one end and be equipped with flush valve (19), be equipped with inlet valve (16) on inlet pipeline (15), be equipped with outlet valve (11) on outlet pipeline (10), be equipped with blowback valve (14) on blowback pipeline (9).
In some embodiments, a pressure transmitter (12) is disposed on each of the inlet line (15) and the outlet line (10), and a flow switch (13) is disposed on the outlet line (10).
In some embodiments, the filter further comprises a frame (2) and an intelligent electric control cabinet (3), the filter (1) is fixedly arranged on the inner side of the frame (2), and the intelligent electric control cabinet (3) is arranged on the outer side of the frame (2).
In some embodiments, the upper cover (7) of the filter (1) is provided with a quick-opening mechanism, the quick-opening mechanism comprises an uncovering hand wheel (4), a handle (5), a connecting rod (6), a clamp and a balance mechanism (8), the balance mechanism (8) is connected between the upper cover (7) and the filter (1), one end of the connecting rod (6) is connected with the handle (5), the other end of the connecting rod is connected with the upper cover (7), and the uncovering hand wheel (4), the handle (5) and the clamp are of an integrated structure.
In some embodiments, the filter (1) is also fitted with an interlock device.
In some embodiments, the filter (1) has a filtration precision of 0.1 to 100 μm.
Compared with the prior art, the invention has the beneficial effects that: (1) the filtering system can ensure continuous work while improving the filtering efficiency, has an online cleaning function and does not need daily maintenance; (2) the filtering system is provided with a unique quick uncovering structure so as to facilitate the replacement of the filtering element; (3) the filtering system integrates a valve, an instrument and an electric control unit, has compact integral structure and small occupied area, and is suitable for being used on ships; (4) the filtering system can realize full-automatic operation and continuous operation, does not need personnel to operate and maintain, and can ensure the stable work of the system only by regularly replacing the filtering element, thereby greatly reducing the maintenance cost of the system.
Drawings
FIG. 1 is a schematic top view of a fully automatic cleaning and filtration system of the present invention;
FIG. 2 is a schematic isometric view of the fully automatic cleaning and filtration system of the present invention.
Reference numerals: 1. a filter; 2. a frame; 3. an intelligent electric control cabinet; 4. a cover opening hand wheel; 5. a handle; 6. a connecting rod; 7. an upper cover; 8. a balancing mechanism; 9. a blowback line; 10. an outlet line; 11. an outlet valve; 12. a pressure transmitter; 13. a flow switch; 14. a blowback valve; 15. an inlet line; 16. an inlet valve; 17. a slag discharge pipeline; 18. a slag discharge valve; 19. the valve is flushed.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
As shown in fig. 1-2, a full-automatic cleaning and filtering system comprises a plurality of parallel filters (1), an inlet pipeline (15), an outlet pipeline (10) and a back-blowing pipeline (9) which are connected with the filters (1), and a slag discharge pipeline (17) arranged below the filters (1); filter (1) and row's sediment pipeline (17) are through arranging sediment valve (18) intercommunication of filter (1) bottom, arrange sediment pipeline (17) one end and be equipped with flush valve (19), be equipped with inlet valve (16) on inlet pipeline (15), be equipped with outlet valve (11) on outlet pipeline (10), be equipped with blowback valve (14) on blowback pipeline (9).
And the inlet pipeline (15) and the outlet pipeline (10) are both provided with pressure transmitters (12), and the outlet pipeline (10) is also provided with a flow switch (13).
The filtering system further comprises a frame (2) and an intelligent electric control cabinet (3), wherein the filter (1) is fixedly arranged on the inner side of the frame (2), and the intelligent electric control cabinet (3) is arranged on the outer side of the frame (2). The intelligent electric control cabinet (3) is adopted, the user interface is friendly, automatic and manual control can be carried out, random switching can be realized, and the control system is convenient to allocate.
The upper cover (7) of filter (1) is equipped with quick-opening mechanism, quick-opening mechanism is including uncapping hand wheel (4), handle (5), connecting rod (6), clamp and balance mechanism (8), balance mechanism (8) are connected between upper cover (7) and filter (1), handle (5) are connected to connecting rod (6) one end, and the other end is connected to upper cover (7), uncap hand wheel (4), handle (5) and clamp formula structure as an organic whole.
The filter (1) is also provided with an interlocking device, and the filter (1) can not be opened manually under the condition of pressure, so that the personal safety of operators is guaranteed. The filter (1) has a filtration accuracy of 0.1 to 100 μm.
The working process of the full-automatic cleaning and filtering system comprises the following steps:
the method comprises the following steps: filling liquid, opening an inlet valve (16), introducing wastewater into the filter (1) through an inlet pipeline (15), and discharging gas in the filter (1) until the filter (1) is filled with liquid.
Step two: and (3) filtering, opening an outlet valve (11), discharging the filtered liquid out of the filter (1) through an outlet pipeline (10), returning the filtered liquid into the filter (1) again for filtering until a filter cake is formed on the surface of the filter element to form deep filtration, and directly discharging the filtered liquid out of the filter (1) after intercepting finer particles.
Step three: and (3) discharging residual liquid, when the pressure difference of the pressure transmitter (12) reaches a set value, stopping filtering one filter (1), introducing compressed gas through a back flushing pipeline (9), pressing the unfiltered liquid out of the filter (1) which stops working, and continuing working the other filters (1).
Step four: and drying the filter cake, and after the filtration is finished, introducing compressed gas into the filter (1) through a back-blowing pipeline (9) to purge the interior of the filter, and drying the filter cake until the moisture content of the filter cake is 20-40%.
Step five: and discharging the filter cake, opening a back-flushing valve (14), introducing compressed air for back flushing, dropping the filter cake after being vibrated and a small amount of residual liquid in the filter (1) into a bottom slag-discharging pipeline (17) through a slag-discharging valve (18), opening a flushing valve (19), and flushing the materials out of the slag-discharging pipeline (17).
Step six: and (2) circularly cleaning, when the system starts self-cleaning, firstly, compressed air is used for carrying out back blowing on the filter element to blow impurities down to the bottom of the filter (1), then, a bottom slag discharging valve (18) is opened, slag falls into a bottom slag discharging pipeline (17), and an end flushing valve (19) is opened to flush away the slag.
When one filter finishes the self-cleaning process, the filter is restarted, and the self-cleaning process of the second filter is started and circulated in sequence until all the filters finish the self-cleaning process.
When desulfurization waste water is treated on a ship, two or more filters are arranged in parallel by the filter system to realize continuous work and online backwashing, and the normal and stable work of the system is ensured. The filtering efficiency of the filtering system can reach 99.9%, finally, the content of suspended matters in the filtered water is less than 2mg/L, the turbidity is less than 25NTU, the PAH is less than 50 mu g/L, and the standard requirements are completely met.
In addition, when the filtering system runs for a long time and needs to be replaced, the filtering system is cut into a single filter running model, after liquid in the filter (1) is emptied, the handle (5) is opened firstly, the top valve of the filter (1) is opened through the connecting rod (6), residual pressure in the filter (1) is discharged completely through the valve, then the clamp is opened through the cover opening hand wheel (4), the upper cover (7) is opened to the 90-degree direction through the balance mechanism (8), and the filtering element is taken out and replaced. After the replacement is finished, the upper cover (7) is put down, and the clamp is clamped through the cover opening hand wheel (4), so that the sealing of the filter (1) is ensured. And finally, the handle (5) is put down to close the top valve, so that the filter has working conditions again, and the replacement of the filter element is completed.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A full-automatic cleaning and filtering system is characterized by comprising a plurality of parallel filters (1), an inlet pipeline (15), an outlet pipeline (10) and a back flushing pipeline (9) which are connected with the filters (1), and a slag discharging pipeline (17) arranged below the filters (1);
filter (1) and row's sediment pipeline (17) are through arranging sediment valve (18) intercommunication of filter (1) bottom, arrange sediment pipeline (17) one end and be equipped with flush valve (19), be equipped with inlet valve (16) on inlet pipeline (15), be equipped with outlet valve (11) on outlet pipeline (10), be equipped with blowback valve (14) on blowback pipeline (9).
2. The system according to claim 1, wherein a pressure transmitter (12) is disposed on each of the inlet line (15) and the outlet line (10), and a flow switch (13) is disposed on the outlet line (10).
3. The full-automatic cleaning and filtering system according to claim 1, further comprising a frame (2) and an intelligent electric control cabinet (3), wherein the filter (1) is fixedly arranged inside the frame (2), and the intelligent electric control cabinet (3) is arranged outside the frame (2).
4. The full-automatic cleaning and filtering system according to claim 1, wherein a quick-opening mechanism is arranged on an upper cover (7) of the filter (1), the quick-opening mechanism comprises an uncovering hand wheel (4), a handle (5), a connecting rod (6), a clamp and a balance mechanism (8), the balance mechanism (8) is connected between the upper cover (7) and the filter (1), one end of the connecting rod (6) is connected with the handle (5), the other end of the connecting rod is connected with the upper cover (7), and the uncovering hand wheel (4), the handle (5) and the clamp are of an integrated structure.
5. The fully automatic cleaning and filtering system according to claim 4, characterized in that the filter (1) is further provided with an interlocking device.
6. The full-automatic cleaning and filtering system according to claim 4, wherein the filtering precision of the filter (1) is 0.1-100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011385276.8A CN112807827A (en) | 2020-12-01 | 2020-12-01 | Full-automatic cleaning and filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011385276.8A CN112807827A (en) | 2020-12-01 | 2020-12-01 | Full-automatic cleaning and filtering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112807827A true CN112807827A (en) | 2021-05-18 |
Family
ID=75853237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011385276.8A Withdrawn CN112807827A (en) | 2020-12-01 | 2020-12-01 | Full-automatic cleaning and filtering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112807827A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259786A (en) * | 2021-12-06 | 2022-04-01 | 北京航天石化技术装备工程有限公司 | Skid-mounted filtering system and filtering and separating method |
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| CN106076068A (en) * | 2016-08-08 | 2016-11-09 | 飞潮（无锡）过滤技术有限公司 | The closed circuit internal circulation apparatus of collection and confinement of gases during a kind of solid-liquid separation |
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| CN111701306A (en) * | 2020-07-17 | 2020-09-25 | 陕西金禹科技发展有限公司 | Solid-liquid separation device and method |
| CN111701315A (en) * | 2020-06-10 | 2020-09-25 | 江苏兴科制药设备制造有限公司 | Residue-free candle type filtering system |
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2020
- 2020-12-01 CN CN202011385276.8A patent/CN112807827A/en not_active Withdrawn
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| JP2002195747A (en) * | 2000-12-27 | 2002-07-10 | Tsukishima Kikai Co Ltd | Filtering and drying apparatus |
| CN1686845A (en) * | 2005-03-18 | 2005-10-26 | 浙江大学 | Method and equipment for treating slight polluted water by integrated adsorption and separation |
| CN102515183A (en) * | 2011-12-08 | 2012-06-27 | 飞潮（无锡）过滤技术有限公司 | Method and device for treating chlorosilane liquid produced in polysilicon production |
| CN102698484A (en) * | 2012-05-24 | 2012-10-03 | 靖江康爱特环境工程有限公司 | Full-automatic filter cake layer filter and filtering method thereof |
| CN105536344A (en) * | 2016-01-29 | 2016-05-04 | 象山金鑫轻工机械厂 | Spent lye recovery system and recovery method adopting same |
| CN205391919U (en) * | 2016-02-25 | 2016-07-27 | 盈祥过滤设备（上海）有限公司 | Quick -open -type filter |
| CN206276111U (en) * | 2016-06-17 | 2017-06-27 | 江苏道可道过滤系统有限公司 | A kind of fast-opened filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114259786A (en) * | 2021-12-06 | 2022-04-01 | 北京航天石化技术装备工程有限公司 | Skid-mounted filtering system and filtering and separating method |
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Application publication date: 20210518 |
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