CN108144347B - Method for rapidly treating sewage - Google Patents
Method for rapidly treating sewage Download PDFInfo
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- CN108144347B CN108144347B CN201711309128.6A CN201711309128A CN108144347B CN 108144347 B CN108144347 B CN 108144347B CN 201711309128 A CN201711309128 A CN 201711309128A CN 108144347 B CN108144347 B CN 108144347B
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- 239000010865 sewage Substances 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 128
- 239000012535 impurity Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 230000009471 action Effects 0.000 claims description 8
- 238000004904 shortening Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 125000001477 organic nitrogen group Chemical group 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The patent relates to the field of sewage treatment methods, and particularly discloses a method for quickly treating sewage, wherein a sewage treatment device is adopted in the method, and a filter layer in the device can preliminarily filter solid impurities in the sewage; in the process of filtration, when the filtering layer reached the filtration limit, the slewing mechanism that can pass through in the device drove the filtering layer and remove to slop pail department, washed the filtering layer, made the adhesion at the filtering layer solid impurity on the surface by the clearance, the utilization ratio of the improvement filtering layer that can be very big.
Description
Technical Field
The invention belongs to the field of sewage treatment methods, and particularly relates to a method for quickly treating sewage.
Background
Along with the increase of urban population in China, domestic water consumption in cities is more and more, urban domestic sewage mainly comprises kitchen washing, toilet flushing, bathing, laundry water and the like, the sewage contains a lot of solid substances, organic nitrogen and ammonia nitrogen, a large amount of solid substances, organic nitrogen and ammonia nitrogen contained in the sewage become main pollution sources of urban water in China, and the urban sewage is discharged into rivers and lakes without being purified to pollute natural water bodies and surrounding environment; a large amount of sewage is directly discharged, so that not only is the ecology damaged, but also the industrial and agricultural production and the health and the safety of human beings are seriously harmed.
When handling domestic sewage, the preliminary edulcoration is filtered to the solid class impurity in the sewage earlier generally, then organic nitrogen and ammonia nitrogen to in the sewage decompose the processing, sewage after the processing can discharge in the middle of the nature, but when filtering the solid impurity in the sewage, adopt filtering material to carry out mechanical filtration to the impurity in the sewage more, filterable in-process, filtration pore in the filtering material can be by quick shutoff, lead to filtering material to need carry out the replacement of high frequency, the in-process of replacement need be to be suspended the filtration of sewage, the filter speed that leads to sewage descends, need consume a large amount of filtering material and filter sewage when filtering simultaneously, lead to the filtration cost height of sewage, and then the filtration efficiency who leads to sewage is with low costs high.
Disclosure of Invention
The invention aims to provide a method for quickly treating sewage so as to improve the utilization rate of a filter layer.
In order to achieve the above object, the basic scheme of the invention is as follows: a method for rapidly treating sewage comprises the following steps:
step 1: preparing a sewage treatment device, which comprises a first water inlet pipe, a collecting barrel and a rotating mechanism, wherein the first water inlet pipe is positioned above the collecting barrel, the collecting barrel is divided into a sewage barrel and a filtering barrel, the upper ends of the sewage barrel and the filtering barrel are both open, the rotating mechanism comprises a cover plate, a mounting ring, a plurality of filtering units and a rotating shaft for driving the mounting ring to rotate, the cover plate is fixedly arranged at the open positions of the sewage barrel and the filtering barrel, a vertical through groove for accommodating a cavity mounting ring is formed in the cover plate, the mounting ring is in clearance fit with the inner wall of the vertical through groove, a mounting hole for accommodating the filtering units is formed in the mounting ring, each filtering unit comprises a supporting frame, a supporting block, a spring rod, a flexible filtering layer, a plurality of sliding rods and a plurality of arc-shaped positioning blocks, the supporting frame is arranged in the collecting barrel; the supporting block is fixedly arranged at the upper end of the spring rod, the lower end of the spring rod is fixedly connected with the supporting frame, and the supporting block is opposite to the mounting hole; the positioning block is slidably mounted on the slide rod, and a tension spring is mounted between the positioning hole and the positioning hole; the center of the filtering layer is fixedly connected with the upper surface of the supporting block, and the upper end of the filtering layer can abut against the upper surface of the positioning hole; through holes for the support frame, the support block and the spring rod to pass through are formed in the side walls of the sewage barrel and the filter barrel; the cover plate is provided with a sliding electromagnet for attracting the positioning hole, the electromagnet is positioned above the sewage bucket, and the electromagnet is positioned at one side of the positioning hole away from the filtering layer;
step 2: when the filtering layer can normally filter sewage, the sewage is guided into the first water inlet pipe, and the flow speed of the sewage in the first water inlet pipe is 1-2 m/s; the flow rate of the sewage is low, at the moment, the filtering layer is abutted against the upper surface of the positioning block, the tension springs between the positioning blocks are in a compressed state, the spring rod and the supporting block support the filtering layer, and water in the upper surface of the filtering layer enters the filtering barrel through the filtering layer;
and step 3: repeating the step 2; when the filter layer reaches the filtering limit, the rotating shaft is rotated, the rotating shaft drives the mounting ring to rotate and simultaneously drives the filtering units to synchronously rotate, and when the filter layer moves to the electromagnet, the rotating shaft stops rotating; the electromagnet is started, the positioning block is attracted by the electromagnet, the positioning block moves along the direction of the sliding rod away from the filtering layer, the tension spring is stretched, and the upper surface of the positioning block is not abutted to the lower surface of the filtering layer any more; the flow velocity of the sewage in the first water inlet pipe is increased to 8-10m/s, the sewage impacts the filtering layer, the spring rod pulls the filtering layer to move downwards under the action of the impact force, meanwhile, the flexible filtering layer deforms at the lower edge under the action of the impact force and turns outwards, and the sewage flushes a large amount of impurities on the surface of the filtering layer into the sewage barrel;
and 4, step 4: closing the first water inlet pipe, turning the flexible filter layer back to the original position, pushing the filter layer to move upwards by the spring rod, then closing the electromagnet, shortening the tension spring, moving the positioning block back to the original position, and abutting the positioning block against the lower surface of the filter layer again;
and 5: and rotating the rotating shaft again, moving the filter layer to the upper part of the filter barrel again, adding sewage into the filter layer again, and filtering the sewage by the filter layer again.
The principle and advantages of the basic scheme are as follows: 1. the sewage treatment device is used in the step 1, a rotating mechanism is arranged in the sewage treatment device, a filtering unit is arranged in the rotating mechanism, a filtering layer in the filtering unit can fully filter solid impurities in sewage, and meanwhile, the filtering layer in an installation hole can be quickly cleaned by rotating an installation ring, so that the filtering layer can be used for multiple times; meanwhile, the collecting barrel is divided into a sewage barrel and a filtering barrel, so that filtered water and sewage for cleaning a filtering layer can be collected respectively; 2. in the step 2, the flow speed of the sewage in the first water inlet pipe is low so as to reduce the filtering pressure of the filtering layer and ensure that the sewage is fully filtered; meanwhile, the spring rod and the supporting block can stably support the filter layer; 3. step 3 is a filtering layer cleaning step, wherein the filtering layer, the supporting block, the spring rod and the supporting frame in the filtering unit are matched with each other, so that the filtering layer can clean surface impurities under the impact force of sewage, and further, the filtering layer can be used for multiple times; in the process, the spring rod can drive the filter layer to move downwards and descend, so that impurities on the filter layer can be fully collected into the sewage bucket; the soft filtering layer can be turned over under the action of impact force, so that impurities on the filtering layer can be conveniently and fully washed; 4. in the step 4, the positioning block can be matched with the sliding rod and the electromagnet, so that the filter layer is conveniently loosened in the cleaning process of the filter layer, and the cleaning of the filter layer is realized; meanwhile, after the filtering layer is cleaned, the sliding block can clamp the filtering layer again under the action of the tension spring; the sliding rod can guide the sliding of the positioning block, so that the positioning block can slide stably, and the positioning block can return stably; 5. and in the step 5, the filter layer is moved back to the original position, so that the cleaned filter layer can be conveniently used again.
In conclusion, the method adopts the sewage treatment device, and the filter layer in the device can carry out primary filtration on solid impurities in the sewage; in the process of filtration, when the filtering layer reached the filtration limit, the slewing mechanism that can pass through in the device drove the filtering layer and remove to slop pail department, washed the filtering layer, made the adhesion at the filtering layer solid impurity on the surface by the clearance, the utilization ratio of the improvement filtering layer that can be very big.
Further, still include the second inlet tube, the second inlet tube fixed mounting is in the top of slop pail. Let in the washing in to the second inlet tube, be exclusively used in the washing of filtering layer, the degree of cleaning that can effectual improvement filtering layer need not to remove first inlet tube this moment and can wash the filtering layer, can improve the cleaning efficiency of filtering layer.
The power mechanism comprises a fixing frame, a plurality of connecting rods and a motor driving the rotating shaft to rotate, the fixing frame is fixedly installed above the cover plate, the motor is fixedly installed on the fixing frame, one end of each connecting rod is fixedly connected with the side face of the corresponding rotating shaft, and the other end of each connecting rod is fixedly connected with the upper surface of the corresponding mounting ring. When the rotating shaft needs to be rotated, the motor is started, and drives the rotating shaft, the connecting rod and the mounting ring to rotate, so that the transmission of power is effectively realized; meanwhile, the arrangement of the connecting rods ensures that the power transmission has more stability.
Furthermore, the upper surface of the supporting block is a concave spherical cambered surface, and the lower surface of the filtering layer is attached to the upper surface of the supporting block. At this moment, the upper surface of the supporting block can stably support the filtering layer, and the lower surface of the filtering layer is attached to the upper surface of the supporting block more tightly.
Further, the area of the upper end opening of the filter barrel is 3 times that of the upper end opening of the sewage bucket. The open relative mounting hole of this moment and filter vat looks upper end is also more right, and corresponding and filter vat relative filtering layer also more, can improve the filtration efficiency of sewage.
Drawings
FIG. 1 is a schematic view showing the construction of an apparatus for treating waste water according to the present invention;
fig. 2 is a cross-sectional view taken at a-a in fig. 1.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a first water inlet pipe 10, a second water inlet pipe 20, a slop pail 30, a filter vat 40, a through hole 34, a cover plate 50, an electromagnet 501, a mounting ring 60, a mounting hole 601, a support frame 602, a support block 603, a spring rod 604, a filter layer 605, a slide rod 606, a positioning block 607, a tension spring 608, a fixing frame 70, a connecting rod 701, a motor 702 and a rotating shaft 703.
The sewage treatment device in the embodiment is basically as shown in the attached figures 1 and 2: including first inlet tube 10, second inlet tube 20, collecting vessel, power unit and slewing mechanism, the collecting vessel divide into the slop pail 30 on right side and left filter vat 40, and first inlet tube 10 is located the top of filter vat 40, and the welding of second inlet tube 20 is in the top of slop pail 30, and slop pail 30 and the upper end of filter vat 40 are uncovered, and the uncovered area in filter vat 40 upper end is 3 times of the uncovered area in slop pail 30 upper end.
The rotating mechanism comprises a cover plate 50, a mounting ring 60 and four filtering units, the cover plate 50 is welded at the opening of the sewage barrel 30 and the filtering barrel 40, a vertical through groove for accommodating the cavity mounting ring 60 is formed in the cover plate 50, the mounting ring 60 is in clearance fit with the inner wall of the vertical through groove, a mounting hole 601 for accommodating the filtering unit is formed in the mounting ring 60, the filtering unit comprises a supporting frame 602, a supporting block 603, a spring rod 604, a flexible filtering layer 605, four sliding rods 606 and four arc-shaped positioning blocks 607, the supporting frame 602 is installed in the collecting barrel, and the upper end of the supporting frame 602 is welded with the lower surface of the mounting ring 60; the supporting block 603 is welded at the upper end of the spring rod 604, the lower end of the spring rod 604 is welded with the supporting frame 602, and the upper surface of the supporting block 603 is opposite to the mounting hole 601; the upper surface of the supporting block 603 is an inward concave spherical cambered surface, and the lower surface of the filter layer 605 is attached to the upper surface of the supporting block 603.
The sliding rod 606 is welded on the upper surface of the mounting ring 60, the axis of the sliding rod 606 and the diameter of the mounting hole 601 are located on the same straight line, the positioning block 607 is slidably mounted on the sliding rod 606, and a tension spring 608 is mounted between the positioning block 607 and the positioning block 607; the center of the filtering layer 605 is welded with the upper surface of the supporting block 603, and the upper end of the filtering layer 605 can be abutted against the upper surface of the positioning block 607.
Through holes 34 for the support frame 602, the support block 603 and the spring rod 604 to pass through are arranged on the side walls of the slop pail 30 and the filter vat 40; the cover plate 50 is provided with a sliding electromagnet 501 for attracting the positioning block 607, the electromagnet 501 is positioned above the slop pail 30, and the electromagnet 501 is positioned at one side of the positioning block 607 far away from the filtering layer 605.
The power mechanism comprises a rotating shaft 703, a fixing frame 70, four connecting rods 701 and a motor 702 for driving the rotating shaft 703 to rotate, wherein the rotating shaft 703 is vertically and rotatably installed on the upper surface of the cover plate 50, the fixing frame 70 is welded above the cover plate 50, the motor 702 is welded on the fixing frame 70, the upper ends of the connecting rods 701 are welded with the side surface of the rotating shaft 703, and the lower ends of the connecting rods 701 are welded with the upper surface of the mounting ring 60.
The embodiment comprises the following steps when in operation:
step 1: preparing a sewage treatment device in the embodiment;
step 2: when the filtering layer 605 can normally filter sewage, the sewage is guided into the first water inlet pipe 10, and the flow rate of the sewage in the first water inlet pipe 10 is 1.5 m/s; the flow rate of the sewage is low, at this time, the filtering layer 605 abuts against the upper surface of the positioning blocks 607, the tension springs 608 between the positioning blocks 607 are in a compressed state, the spring rods 604 and the supporting blocks 603 support the filtering layer 605, and the water in the upper surface of the filtering layer 605 enters the filtering barrel 40 through the filtering layer 605;
and step 3: repeating the step 2; when the filtering layer 605 reaches the filtering limit, the motor 702 is started, the motor 702 drives the rotating shaft 703 and the connecting rod 701 to synchronously rotate, so as to drive the mounting ring 60 to rotate, the mounting ring 60 drives the filtering unit to synchronously rotate, and when the filtering layer 605 moves to the electromagnet 501, the rotating shaft 703 stops rotating; the electromagnet 501 is started, the positioning block 607 is attracted by the electromagnet 501, the positioning block 607 moves along the direction that the sliding rod 606 is far away from the filtering layer 605, the tension spring 608 is stretched, and the upper surface of the positioning block 607 is not abutted against the lower surface of the filtering layer 605 any more; when the flow velocity of the clean water in the second water inlet pipe 20 is 9m/s, the clean water impacts the filtering layer 605, the spring rod 604 pulls the filtering layer 605 to move downwards under the action of the impact force, meanwhile, the lower edge of the flexible filtering layer 605 deforms under the action of the impact force and turns outwards, and the sewage flushes a large amount of impurities on the surface of the filtering layer 605 into the sewage barrel 30;
and 4, step 4: closing the first water inlet pipe 10, turning the flexible filter layer 605 back to the original position, pushing the filter layer 605 to move upwards by the spring rod 604, closing the electromagnet 501, shortening the tension spring 608, moving the positioning block 607 back to the original position, and abutting the positioning block 607 against the lower surface of the filter layer 605 again;
and 5: the rotating shaft 703 is rotated again, the filter layer 605 moves to the upper side of the filter vat 40 again, the sewage is added into the filter layer 605 again, and the filter layer 605 filters the sewage again.
The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the invention has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (4)
1. A method for rapidly treating sewage is characterized by comprising the following steps:
step 1: preparing a sewage treatment device, which comprises a first water inlet pipe, a collecting barrel and a rotating mechanism, wherein the first water inlet pipe is positioned above the collecting barrel, the collecting barrel is divided into a sewage barrel and a filtering barrel, the upper ends of the sewage barrel and the filtering barrel are both open, the rotating mechanism comprises a cover plate, a mounting ring, a plurality of filtering units and a rotating shaft for driving the mounting ring to rotate, the cover plate is fixedly arranged at the open positions of the sewage barrel and the filtering barrel, a vertical through groove for accommodating a cavity mounting ring is formed in the cover plate, the mounting ring is in clearance fit with the inner wall of the vertical through groove, a mounting hole for accommodating the filtering units is formed in the mounting ring, each filtering unit comprises a supporting frame, a supporting block, a spring rod, a flexible filtering layer, a plurality of sliding rods and a plurality of arc-shaped positioning blocks, the supporting frame is arranged in the collecting barrel; the supporting block is fixedly arranged at the upper end of the spring rod, the lower end of the spring rod is fixedly connected with the supporting frame, and the supporting block is opposite to the mounting hole; the positioning block is slidably mounted on the slide rod, and a tension spring is mounted between the positioning hole and the positioning hole; the center of the filtering layer is fixedly connected with the upper surface of the supporting block, and the upper end of the filtering layer can abut against the upper surface of the positioning hole; through holes for the support frame, the support block and the spring rod to pass through are formed in the side walls of the sewage barrel and the filter barrel; the cover plate is provided with a sliding electromagnet for attracting the positioning hole, the electromagnet is positioned above the sewage bucket, and the electromagnet is positioned at one side of the positioning hole away from the filtering layer; the sewage treatment device also comprises a second water inlet pipe, wherein the second water inlet pipe is fixedly arranged above the sewage bucket;
step 2: when the filtering layer can normally filter sewage, the sewage is guided into the first water inlet pipe, and the flow speed of the sewage in the first water inlet pipe is 1.5 m/s; the flow rate of the sewage is low, at the moment, the filtering layer is abutted against the upper surface of the positioning block, the tension springs between the positioning blocks are in a compressed state, the spring rod and the supporting block support the filtering layer, and water in the upper surface of the filtering layer enters the filtering barrel through the filtering layer;
and step 3: repeating the step 2; when the filter layer reaches the filtering limit, the rotating shaft is rotated, the rotating shaft drives the mounting ring to rotate and simultaneously drives the filtering units to synchronously rotate, and when the filter layer moves to the electromagnet, the rotating shaft stops rotating; the electromagnet is started, the positioning block is attracted by the electromagnet, the positioning block moves along the direction of the sliding rod away from the filtering layer, the tension spring is stretched, and the upper surface of the positioning block is not abutted to the lower surface of the filtering layer any more; the flow velocity of the sewage in the first water inlet pipe is increased to 8-10m/s, the sewage impacts the filtering layer, the spring rod pulls the filtering layer to move downwards under the action of the impact force, meanwhile, the flexible filtering layer deforms at the lower edge under the action of the impact force and turns outwards, and the sewage flushes a large amount of impurities on the surface of the filtering layer into the sewage barrel;
and 4, step 4: closing the first water inlet pipe, turning the flexible filter layer back to the original position, pushing the filter layer to move upwards by the spring rod, then closing the electromagnet, shortening the tension spring, moving the positioning block back to the original position, and abutting the positioning block against the lower surface of the filter layer again;
and 5: and rotating the rotating shaft again, moving the filter layer to the upper part of the filter barrel again, adding sewage into the filter layer again, and filtering the sewage by the filter layer again.
2. The method for rapidly treating sewage according to claim 1, further comprising a power mechanism in step 1, wherein the power mechanism comprises a fixing frame, a plurality of connecting rods and a motor for driving the rotating shaft to rotate, the fixing frame is fixedly arranged above the cover plate, the motor is fixedly arranged on the fixing frame, one end of each connecting rod is fixedly connected with the side surface of the rotating shaft, and the other end of each connecting rod is fixedly connected with the upper surface of the mounting ring.
3. The method for rapidly treating sewage according to claim 1, wherein in the step 1, the upper surface of the supporting block is an inward concave spherical cambered surface, and the lower surface of the filtering layer is attached to the upper surface of the supporting block.
4. The method for rapidly treating sewage according to claim 1, wherein in the step 1, the open area of the upper end of the filter vat is 3 times that of the upper end of the sewage vat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309128.6A CN108144347B (en) | 2017-12-11 | 2017-12-11 | Method for rapidly treating sewage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309128.6A CN108144347B (en) | 2017-12-11 | 2017-12-11 | Method for rapidly treating sewage |
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| CN108144347A CN108144347A (en) | 2018-06-12 |
| CN108144347B true CN108144347B (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711309128.6A Active CN108144347B (en) | 2017-12-11 | 2017-12-11 | Method for rapidly treating sewage |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062370A (en) * | 2020-09-26 | 2020-12-11 | 科顺生态建设(宁波)有限公司 | Mobile sewage purification equipment |
| CN118286766B (en) * | 2024-06-05 | 2024-08-16 | 杭州富阳鸿源再生资源利用有限公司 | A filter separation device for cuprous chloride production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3381556B2 (en) * | 1997-06-05 | 2003-03-04 | 日立プラント建設株式会社 | Water purification method and device |
| JP2008049329A (en) * | 2006-08-28 | 2008-03-06 | Teco Electric & Machinery Co Ltd | Automatic filter-exchanging device |
| CN202497759U (en) * | 2012-03-16 | 2012-10-24 | 东南大学 | Sewage filtering device without requiring shutdown |
| CN105233546A (en) * | 2015-10-15 | 2016-01-13 | 新疆石达赛特科技有限公司 | Filter |
-
2017
- 2017-12-11 CN CN201711309128.6A patent/CN108144347B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3381556B2 (en) * | 1997-06-05 | 2003-03-04 | 日立プラント建設株式会社 | Water purification method and device |
| JP2008049329A (en) * | 2006-08-28 | 2008-03-06 | Teco Electric & Machinery Co Ltd | Automatic filter-exchanging device |
| CN202497759U (en) * | 2012-03-16 | 2012-10-24 | 东南大学 | Sewage filtering device without requiring shutdown |
| CN105233546A (en) * | 2015-10-15 | 2016-01-13 | 新疆石达赛特科技有限公司 | Filter |
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Effective date of registration: 20240829 Address after: 163000 South Ring East Road, Tuanjie Street, Zhaozhou Town, Zhaozhou County, Daqing City, Heilongjiang Province Patentee after: Daqing Huamei Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: 11-3, 55 Xinghai South Road, high tech Zone, Ningbo, Zhejiang 315000 Patentee before: NINGBO QINGZHI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |
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