CN107050981B - Circulation cleaning filtering equipment - Google Patents
Circulation cleaning filtering equipment Download PDFInfo
- Publication number
- CN107050981B CN107050981B CN201710384041.9A CN201710384041A CN107050981B CN 107050981 B CN107050981 B CN 107050981B CN 201710384041 A CN201710384041 A CN 201710384041A CN 107050981 B CN107050981 B CN 107050981B
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- China
- Prior art keywords
- filter
- pipe
- concentration
- water
- cylinder
- Prior art date
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Links
- 238000001914 filtration Methods 0.000 title claims abstract description 23
- 238000004140 cleaning Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000011001 backwashing Methods 0.000 claims abstract description 53
- 239000010865 sewage Substances 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 239000008213 purified water Substances 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000004064 recycling Methods 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
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a circularly cleaned filtering device which comprises a rack, a filter cylinder, a gas backwashing component, a water pump, a main water inlet pipe, a main water outlet pipe and a recovery barrel, wherein the filter cylinder is positioned on the rack, the gas backwashing component is used for cleaning a filter element in the filter cylinder, the water pump and the main water inlet pipe are used for pumping raw water into the filter cylinder, the main water outlet pipe is used for discharging purified water filtered by the filter cylinder, the recovery barrel is positioned below the filter cylinder and is communicated with the filter cylinder through the main sewage pipe, the filter cylinder is provided with a plurality of filter cylinders, the gas backwashing component is respectively connected with each filter cylinder and can be used for backwashing at least one filter cylinder.
Description
Technical Field
The invention relates to the field of filtering equipment, in particular to filtering equipment for circular cleaning.
Background
Generally, after a filter element of a filter works for a period of time, impurities in raw water slowly block the filter element, and therefore, the filter element of the filter needs to be cleaned and maintained regularly.
At present, filter equipment for cleaning a filter element in an air flow backwashing mode has the advantages of no disassembly and cleaning, water saving, simple operation and the like. The operating principle is that gas is introduced into the filter box body of the filter element, impurities blocked on the filter element are flushed away by utilizing the backwashing force of the gas, and sewage containing the impurities is discharged through the sewage outlet on the filter cartridge.
However, the backwashing equipment still has the defect that the equipment must be stopped to be backwashed, so that the treatment efficiency of the equipment is influenced.
Disclosure of Invention
The object of the invention is to provide a filter device which can be cleaned without shutdown cycles.
In order to achieve the purpose, the invention adopts the technical scheme that:
a filter device capable of being cleaned circularly comprises a rack, a filter cylinder, an air backwashing assembly, a water pump, a main water inlet pipe, a main water outlet pipe and a recovery barrel, wherein the filter cylinder is positioned on the rack, the air backwashing assembly is used for cleaning a filter element in the filter cylinder, the water pump and the main water inlet pipe are used for pumping raw water into the filter cylinder, the main water outlet pipe is used for discharging purified water filtered by the filter cylinder, the recovery barrel is positioned below the filter cylinder and is communicated with the filter cylinder through the main sewage pipe, the filter cylinder is provided with a plurality of filter cylinders, and the air backwashing assembly is respectively connected with each filter cylinder and can be used for backwashing at least one filter cylinder.
Preferably, the filter equipment further comprises a control system for controlling the filter cylinder to work or stop and the air backwashing component to work or stop, and the control system controls one of the filter cylinders to stop working and controls the air backwashing component to align for backwashing in turn.
Further preferably, there are 4 filter cartridges.
Preferably, the filter cartridge is communicated with the main water inlet pipe through a water dividing pipe, the filter cartridge is communicated with the main water outlet pipe through a water dividing pipe, the filter cartridge is communicated with the main sewage pipe through a sewage dividing pipe, and the water dividing pipe, the water dividing pipe and the sewage dividing pipe are respectively provided with a stop valve.
Further preferably, the filter cylinder comprises a cylinder body, a first filter assembly arranged in the cylinder body, one end of the first filter assembly is connected with the main water drainage pipe, the other end of the first filter assembly is connected with the gas backwashing assembly, and a backwashing concentration assembly arranged in the filter cylinder and used for concentrating backwashing sewage.
Further preferably, the backwash concentration assembly comprises a concentration cavity which is arranged in the cylinder body and is hollow, the lower part of the concentration cavity is provided with an opening, a second filter assembly arranged in the concentration cavity, and a concentration drain pipe communicated with the second filter assembly and used for discharging purified water, and a stop valve is arranged on the concentration drain pipe.
Further preferably, the opening of the concentrating chamber is located at the bottom of the barrel.
Further preferably, when the gas backwashing component works, the water dividing pipe, the water dividing and discharging pipe and the sewage dividing pipe of the filter cylinder are closed, the concentration water discharging pipe is opened, the gas backwashing component introduces gas into the first filtering component for backwashing, the pressure in the cylinder is increased, backwashing sewage is pressed into the concentration cavity from the opening, purified water is filtered by the second filtering component and discharged from the concentration water discharging pipe, when the liquid level in the cylinder is flush with the opening, the gas backwashing component stops introducing gas, the sewage discharging port is opened, gas is introduced into the concentration water discharging pipe, and the concentrated backwashing sewage is discharged.
Further preferably, the concentrating chamber is a lumen of a siphon tube with an upper portion sealing a lower opening.
Further preferably, the siphon is vertically arranged, and the upper part of the siphon is fixedly arranged on the cover body of the cylinder body.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
because the invention has a plurality of filter cylinders and the air backwashing component is respectively connected with each filter cylinder, a part of the filter cylinders can be selectively cleaned under the condition that other filter cylinders work normally, so that the backwashing does not influence the normal work of the filter cylinders.
Drawings
FIG. 1 is a perspective view of an embodiment;
FIG. 2 is a schematic front view of the embodiment;
FIG. 3 is a schematic cross-sectional view of an example filter cartridge.
In the drawings above: 1. a frame; 2. a filter cartridge; 21. a barrel; 22. a first filter assembly; 3. a main water inlet pipe; 31. a water inlet pipe; 4. a main drain pipe; 41. water distributing and draining pipes; 5. a sewage pipe; 51. a sewage distributing pipe; 6. a recycling bin; 7. a control system; 8. a concentration drain pipe; 91. a filter tube; 92. a ceramic filter element; 10. a siphon tube.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which:
referring to fig. 1 to 3, a filter device for circulation cleaning includes a frame 1, a plurality of filter cartridges 2 disposed on the frame 1, a gas backwashing assembly (not shown) for cleaning a filter element disposed in the filter cartridges 2, a water pump and a main water inlet pipe 3 for pumping raw water into the filter cartridges 2, a main water outlet pipe 4 for discharging purified water filtered by the filter cartridges 2, and a recovery tub 6 disposed below the filter cartridges 2 and communicating with the filter cartridges 2 through a main sewer pipe 5, wherein the gas backwashing assembly is connected to each of the filter cartridges 2, and can simultaneously backwash at least one of the filter cartridges 2.
In this embodiment, there are 4 filter cartridges 2, the filter apparatus further includes a control system 7 for controlling the operation or stop of the filter cartridges 2 and the operation or stop of the air backwashing components, the control system 7 controls one of the filter cartridges 2 to stop operating and controls the air backwashing components to align for backwashing in turn, when one of the filter cartridges 2 is backwashed, the other filter cartridges 2 keep operating, when the filter cartridge 2 is backwashed, the control system 7 controls the air backwashing components to stop operating and resume the operation of the filter cartridge 2, and then the next filter cartridge 2 is backwashed until the 4 filter cartridges 2 are backwashed.
Each filter cartridge 2 is communicated with the main water inlet pipe 3 through a water dividing pipe 31, the filter cartridges 2 are communicated with the main water outlet pipe 4 through water dividing and discharging pipes 41, the filter cartridges 2 are communicated with the main sewage pipe 5 through sewage dividing pipes 51, and the water dividing pipe 31, the water dividing and discharging pipes 41 and the sewage dividing pipes 51 are respectively provided with a stop valve.
The filter cartridge 2 comprises a cylinder 21, a first filter component 22 arranged in the cylinder 21 and provided with one end connected with the main drainage pipe 4 and the other end connected with the air backwashing component, and a backwashing concentration component arranged in the filter cartridge 2 and used for concentrating backwashing sewage.
The backwashing concentration component comprises a hollow concentration cavity arranged in the barrel 21 and provided with an opening at the lower part, a second filtering component arranged in the concentration cavity, and a concentration drain pipe 8 communicated with the second filtering component and used for discharging purified water, wherein a stop valve is arranged on the concentration drain pipe 8.
The opening of the concentrating chamber is located at the bottom of the barrel 21. When the gas backwashing component works, the water dividing pipe 31, the water dividing pipe 41 and the water dividing pipe 51 of the filter cylinder 2 are closed, the concentration drain pipe 8 is opened, the gas backwashing component introduces gas into the first filter component 22 for backwashing, the pressure in the cylinder 21 is increased, the backwashing sewage is pressed into the concentration cavity from the opening, the purified water is filtered by the second filter component and is discharged from the concentration drain pipe 8, when the liquid level in the cylinder 21 is level with the opening, the gas backwashing component stops introducing the gas, the sewage discharge port is opened at the same time, the gas is filled into the concentration drain pipe 8, and the concentrated backwashing sewage is discharged.
In this embodiment, the second filtering component includes a filtering pipe 91 with a plurality of through holes distributed on the closed periphery of the lower end of the upper end communicated with the concentration drainage pipe 8 and a ceramic filter element 92 sleeved on the filtering pipe 91.
The bottom surface of the cylinder body 21 is an inverted conical surface, and the opening of the concentration cavity is positioned in the middle of the filter cartridge 1.
The concentrating cavity is a cavity of a siphon 10 with an upper part sealing a lower part opening, the siphon 10 is a polytetrafluoroethylene siphon in the embodiment, the siphon 10 is vertically arranged, and the upper part is fixedly arranged on a cover body of the cylinder 21.
Since the present embodiment has a plurality of filter cartridges 2 and the air backwash assembly is connected to each filter cartridge 2, a part of the filter cartridges 2 can be selectively cleaned under the condition that the other filter cartridges 2 are normally operated, so that the backwash does not affect the normal operation of the other filter cartridges 2.
The above embodiments are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention by this means. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. A filtering device for circular cleaning comprises a rack, a plurality of filter cylinders positioned on the rack, an air backwashing component for cleaning filter elements in the filter cylinders, a water pump and a main water inlet pipe for pumping raw water into the filter cylinders, a main water discharge pipe for discharging purified water filtered by the filter cylinders, and a recovery barrel positioned below the filter cylinders and communicated with the filter cylinders through the main sewage pipe; the filter cartridge is communicated with the main water inlet pipe through a water dividing pipe, the filter cartridge is communicated with the main water outlet pipe through a water dividing and discharging pipe, the filter cartridge is communicated with the main sewage pipe through a sewage dividing pipe, and the water dividing pipe, the water dividing and discharging pipe and the sewage dividing pipe are respectively provided with a stop valve; the filter cylinder comprises a cylinder body, a first filter assembly and a second filter assembly, wherein one end of the first filter assembly is arranged in the cylinder body and is connected with the main water drainage pipe through the water drainage pipe, and the other end of the first filter assembly is connected with the gas backwashing assembly; the gas backwashing component is respectively connected with each filter cylinder and can simultaneously backwash at least one filter cylinder;
the method is characterized in that:
the backwash concentration assembly is arranged in the filter cylinder and used for concentrating backwash sewage, the backwash concentration assembly comprises a concentration cavity, a second filtering assembly and a concentration drain pipe, the concentration cavity is arranged in the cylinder, the concentration cavity is hollow, the lower portion of the concentration cavity is provided with an opening, the second filtering assembly is arranged in the concentration cavity, the concentration drain pipe is communicated with the second filtering assembly and used for discharging purified water, the concentration cavity is a pipe cavity of a siphon pipe, the upper portion of the siphon pipe is sealed, the lower portion of the siphon pipe is open, an opening of the concentration cavity is located at the bottom of the cylinder, a stop valve is arranged on the concentration drain pipe, and all the concentration drain pipes are far away from the concentrated drain pipe and the end portion of the filter cylinder is communicated.
2. A cyclically cleaned filter device according to claim 1 wherein: the filter equipment also comprises a control system for controlling the filter cylinder to work or stop and the gas backwashing component to work or stop, wherein the control system controls one of the filter cylinders to stop working in turn and controls the gas backwashing component to align for backwashing.
3. A cyclically cleaned filter device according to claim 2, wherein: the filter cartridge is provided with 4.
4. A cyclically cleaned filter device according to claim 1 wherein: when the gas backwashing component works, the water dividing pipe, the water dividing and discharging pipe and the water dividing and discharging pipe of the filter cylinder are closed, the concentration water discharging pipe is opened, the gas backwashing component introduces gas into the first filtering component for backwashing, the pressure in the cylinder is increased, backwashing sewage is pressed into the concentration cavity from the opening, purified water is filtered by the second filtering component and discharged from the concentration water discharging pipe, when the liquid level in the cylinder is level with the opening, the gas backwashing component stops introducing gas, the sewage discharging port is opened at the same time, gas is filled into the concentration water discharging pipe, and the concentrated backwashing sewage is discharged.
5. A cyclically cleaned filter device according to claim 1 wherein: the siphon is vertically arranged, and the upper part of the siphon is fixedly arranged on the cover body of the cylinder body.
6. A cyclically cleaned filter device according to claim 5 wherein: the middle part of the siphon pipe penetrates through the first filtering component.
7. A cyclically cleaned filter device according to claim 6 wherein: the siphon tube is coaxially arranged with the first filter assembly.
8. A cyclically cleaned filter device according to claim 1 wherein: the second filtering component comprises a filtering pipe and a ceramic filter element, wherein the upper end of the filtering pipe is communicated with the lower end of the concentration drain pipe, the closed periphery of the lower end of the concentration drain pipe is provided with a plurality of through holes, and the ceramic filter element is sleeved on the filtering pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384041.9A CN107050981B (en) | 2017-05-26 | 2017-05-26 | Circulation cleaning filtering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384041.9A CN107050981B (en) | 2017-05-26 | 2017-05-26 | Circulation cleaning filtering equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107050981A CN107050981A (en) | 2017-08-18 |
| CN107050981B true CN107050981B (en) | 2022-12-06 |
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ID=59610713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710384041.9A Active CN107050981B (en) | 2017-05-26 | 2017-05-26 | Circulation cleaning filtering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107050981B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634968A (en) * | 2020-07-10 | 2020-09-08 | 广州森杰环保科技有限公司 | Full self-cleaning high-precision filtering equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203329458U (en) * | 2013-07-17 | 2013-12-11 | 无锡煤矿机械厂有限公司 | Backflushing type returned liquid filter station |
| CN205569972U (en) * | 2016-04-25 | 2016-09-14 | 湖南农业大学 | Intelligence gas filtration machine hardware framework |
| CN207076214U (en) * | 2017-05-26 | 2018-03-09 | 苏州台合达环保设备有限公司 | A kind of filter plant of wash cycles |
-
2017
- 2017-05-26 CN CN201710384041.9A patent/CN107050981B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203329458U (en) * | 2013-07-17 | 2013-12-11 | 无锡煤矿机械厂有限公司 | Backflushing type returned liquid filter station |
| CN205569972U (en) * | 2016-04-25 | 2016-09-14 | 湖南农业大学 | Intelligence gas filtration machine hardware framework |
| CN207076214U (en) * | 2017-05-26 | 2018-03-09 | 苏州台合达环保设备有限公司 | A kind of filter plant of wash cycles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107050981A (en) | 2017-08-18 |
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Address after: 215121 No. 86 Weixi Road, Weiting Town, Suzhou Industrial Park, Jiangsu Province Patentee after: JIANGSU DELTA ENVIRONMENTAL EQUIPMENT CO.,LTD. Address before: 215121 No. 86 Weixi Road, Weiting Town, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU DELTA ENVIRONMENTAL EQUIPMENT Co.,Ltd. |