CN113684888A - Water source well for surface water source water taking - Google Patents
Water source well for surface water source water taking Download PDFInfo
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- CN113684888A CN113684888A CN202110986493.0A CN202110986493A CN113684888A CN 113684888 A CN113684888 A CN 113684888A CN 202110986493 A CN202110986493 A CN 202110986493A CN 113684888 A CN113684888 A CN 113684888A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 132
- 239000002352 surface water Substances 0.000 title claims abstract description 42
- 238000001914 filtration Methods 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000009776 industrial production Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 239000003351 stiffener Substances 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
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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
- B01D29/01—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 flat filtering elements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/40—Other devices for confining, e.g. trenches, drainage
Abstract
The invention relates to a water source well for taking water from a surface water source, and belongs to the technical field of water taking equipment for the surface water source. The filter comprises an outer barrel and an inner barrel, wherein the inner barrel is sleeved in the outer barrel, the inner barrel and the outer barrel are fixed through a fixed connecting rod, a filter layer is arranged in an annular space between the inner barrel and the outer barrel, and a cover plate is movably arranged at the top of the inner barrel. This water source well simple structure, the practicality is good, in the working process, through the inlet opening on the filter, and the filter layer between inner tube and the urceolus carries out elementary purification to surface water, the surface water that filters purification is stored in the inner tube, then through the pump take through deposit, provide the water for life and industrial production of human activity after process such as disinfection, this water source well has operation safe and reliable, construction cycle is short, the investment cost is low, and the characteristics of convenient maintenance, life and industrial production water to providing human activity have positive popularization meaning.
Description
Technical Field
The invention relates to a water source well for taking water from a surface water source, and belongs to the technical field of water taking equipment for the surface water source.
Background
Surface water is a generic term for dynamic water and static water on the surface of land, also called "land water", and includes various liquid and solid water bodies, mainly rivers, lakes, marshes, glaciers, ice covers, and the like. It is one of the important sources of human domestic water and also a main component of water resources in various countries. Particularly in areas with more developed water systems, the water for human activities and industrial processes is mostly taken from surface water.
At present, a water taking system related in the water taking process of surface water is mainly divided into a water taking head (a water source well), a water taking structure and a water conveying pipeline, wherein the water taking head is the core of the water taking system and plays a key role in water taking reliability and later maintenance and management. The existing water intake head is mostly a brick-concrete structure, namely, in the season of low water level, an annular building is built on a river bed, primary filtration of surface water is realized through filter holes uniformly distributed on the building, then primary filtered water in the water intake head is pumped through a pump, and water is provided for life and industrial production of human activities after the water intake head is treated by procedures of precipitation, disinfection and the like.
Disclosure of Invention
The invention aims to: the water source well for surface water source water taking is simple in structure, safe and reliable in operation, short in construction period, low in investment cost and convenient to maintain.
The technical scheme of the invention is as follows:
the utility model provides a water source well for surface water source water intaking, it comprises urceolus and inner tube, its characterized in that: an inner cylinder is sleeved in the outer cylinder, the inner cylinder and the outer cylinder are fixed through a fixed connecting rod, a filtering layer is arranged in an annular space between the inner cylinder and the outer cylinder, and a cover plate is movably arranged at the top of the inner cylinder.
The outer cylinder and the inner cylinder are respectively composed of a base and a cylinder section, and the cylinder section is arranged on the base through a flange.
The base of the outer barrel and the base of the inner barrel are respectively composed of an upper hoop, a lower hoop and a filter plate, the upper hoop and the lower hoop are arranged at intervals in an up-down shape, the inner surface circumferences of the upper hoop and the lower hoop are fixedly provided with cylindrical filter plates, and reinforcing rods are uniformly distributed between the circumferences of the upper hoop and the lower hoop on the outer surface of the filter plate.
The cylinder section of urceolus and inner tube constitute by last supporting ring, well supporting ring, lower supporting ring and filter respectively, go up supporting ring, well supporting ring, lower supporting ring and be the form interval from top to bottom and set up and be equipped with cylindric filter on the supporting ring internal surface circumference admittedly, through strengthening the bracing piece mutual fixed connection between last supporting ring, well supporting ring, the lower supporting ring of filter surface.
The outer barrel and the inner barrel are correspondingly provided with mounting holes on the bases, water taking pipes are mounted in the mounting holes, and water taking pumps are mounted at the ends of the water taking pipes in the bases of the inner barrels.
The filter layer is formed by piling 2-5 CM pebbles.
The diameter of the outer cylinder is 4m, and the diameter of the inner cylinder is 2 m.
The heights of the bases of the outer cylinder and the inner cylinder are respectively 2m, and the heights of the cylinder sections are respectively 3 m.
Further, a water source well for surface water source water intaking is formed by combining a plurality of water source well units, the water source well unit constitute by urceolus and inner tube respectively, the inner tube is equipped with to the urceolus endotheca, it is fixed through fixed connecting rod between inner tube and the urceolus, be provided with the filter layer in the annular space between inner tube and the urceolus, the top movable mounting of inner tube has the apron, communicate each other through communicating pipe between each water source well unit, correspond on the base of the urceolus of one of them water source well unit and inner tube and be provided with the mounting hole, install the intake pipe in the mounting hole, the intake pipe end in the base of inner tube is equipped with the water intaking pump.
The water source well units are arranged in parallel.
The plurality of water source well units are arranged in a delta shape.
The outer cylinder and the inner cylinder are respectively composed of a base and a cylinder section, and the cylinder section is arranged on the base through a flange. The base of the outer barrel and the base of the inner barrel are respectively composed of an upper hoop, a lower hoop and a filter plate, the upper hoop and the lower hoop are arranged at intervals in an up-down shape, the inner surface circumferences of the upper hoop and the lower hoop are fixedly provided with cylindrical filter plates, and reinforcing rods are uniformly distributed between the circumferences of the upper hoop and the lower hoop on the outer surface of the filter plate.
The cylinder section of urceolus and inner tube constitute by last supporting ring, well supporting ring, lower supporting ring and filter respectively, go up supporting ring, well supporting ring, lower supporting ring and be the form interval from top to bottom and set up and be equipped with cylindric filter on the supporting ring internal surface circumference admittedly, through strengthening the bracing piece mutual fixed connection between last supporting ring, well supporting ring, the lower supporting ring of filter surface.
The filter layer is formed by piling 2-5 CM pebbles.
The diameter of the outer cylinder is 4m, and the diameter of the inner cylinder is 2 m; the heights of the bases of the outer cylinder and the inner cylinder are respectively 2m, and the heights of the cylinder sections are respectively 3 m.
Compared with the prior art, the invention has the beneficial effects that:
this a water source well for surface water source water intaking simple structure, the practicality is good, in the course of the work, carry out primary purification to surface water through the inlet opening on the filter, and the filter layer between inner tube and the urceolus, the surface water of filtration purification is stored in the inner tube, then provide the water for life and industrial production of human activity after handling through processes such as pump extraction through precipitation, disinfection, this water source well has operation safe and reliable, construction cycle is short, the investment cost is low, have the convenient construction in water source places such as river, lake, berth simultaneously, and convenient characteristics of maintaining, compare traditional water source well water intaking mode, it is big to have the water intaking volume, the advantage that it is fast to intake, have positive popularization meaning to the life and industrial production water that provide human activity.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with the filter layer removed;
FIG. 3 is an exploded view of the outer barrel of the present invention;
FIG. 4 is an exploded view of the outer and inner cylinders with the filter plate removed;
fig. 5 is a schematic structural diagram of the improved structure of the invention.
In the figure: 1. the outer cylinder, 2, the inner cylinder, 3, fixed connecting rod, 4, the base, 5, the shell ring, 6, go up the hoop, 7, lower hoop, 8, the stiffener, 9, go up the supporting ring, 10, well supporting ring, 11, lower supporting ring, 12, strong bracing piece, 13, mounting hole, 14, filter layer, 15, apron.
Detailed Description
Example 1:
the water source well for taking water from the surface water source consists of an outer cylinder 1 and an inner cylinder 2. An inner cylinder 2 is sleeved in the outer cylinder 1, the diameter of the inner cylinder 2 is 2m, and the diameter of the outer cylinder is 4 m. The outer cylinder 1 and the inner cylinder 2 are respectively composed of a base 4 and a cylinder section 5, and the cylinder section 5 is flange-mounted on the base 4. The base 4 of urceolus 1 and inner tube 2 highly is 2m respectively, the base 4 of urceolus 1 and inner tube 2 is by last hoop 6 respectively, hoop 7 and filter constitute down, it describes the interval setting to be from top to bottom to go up hoop 6 and hoop 7 down, it is cylindric filter to be equipped with admittedly on hoop and the hoop inner surface circumference down, the equipartition has stiffener 8 between the last hoop 6 of filter surface and the 7 circumferences of hoop down, with the bulk strength of strengthening base 4, and carry out radial spacing to the filter.
The cylinder sections 5 of the outer cylinder 1 and the inner cylinder 2 are respectively composed of an upper supporting ring 9, a middle supporting ring 10, a lower supporting ring 11 and a filtering plate, and the heights of the cylinder sections 5 of the outer cylinder 1 and the inner cylinder 2 are respectively 3 m. The upper supporting ring 9, the middle supporting ring 10 and the lower supporting ring 11 are arranged at intervals in an up-down shape, a cylindrical filter plate is fixedly arranged on the circumference of the inner surface of each supporting ring, and the upper supporting ring 9, the middle supporting ring 10 and the lower supporting ring 11 on the outer surface of the filter plate are fixedly connected with one another through a reinforcing supporting rod 12. And the shell ring 5 of the outer shell 1 and the inner shell 2 are arranged on the corresponding bases in a flange mode.
The filter on the base 4 of urceolus 1 and inner tube 2 corresponds on being provided with mounting hole 13, installs the intake pipe in the mounting hole 13, and the one end and the defeated water piping connection of intake pipe, the other end of intake pipe extend to in the inner tube 2, and the end that extends to the intake pipe in the inner tube 2 is equipped with the water intaking pump.
The inner cylinder 2 and the outer cylinder 1 are fixedly connected through a fixed connecting rod 3, a filtering layer 14 is arranged in an annular space between the inner cylinder 2 and the outer cylinder 1, and the filtering layer is formed by piling 2-5 cm pebbles. The top of the inner barrel 2 is movably provided with a cover plate 15 through a hinge so as to form a plug for the top port of the inner barrel 2 and prevent surface water from directly entering the inner barrel 2 from the top port of the inner barrel 2.
When the water source well is constructed, a 50 cm foundation pit is dug on the riverbed of the surface water source, and then the water source well is integrally lifted in the foundation pit and backfilled. After the completion, pebbles with the diameter of 2-5 cm are filled in the annular space between the outer cylinder 1 and the inner cylinder 2 to form a filter layer 14; the filter layer 14 is not only used for filtering surface water, but also forms a balance weight for the outer cylinder 1 and the inner cylinder 2 to prevent the water source well from inclining or falling down as a whole. When the water source well works, surface water enters the filtering layer 14 formed by pebbles from the filtering holes of the filtering plate on the outer cylinder 1, then enters the central hole of the inner cylinder 2 for storage through the filtering holes of the filtering plate on the inner cylinder 2, and then water taking operation can be completed through the water taking pump extending to the end of the water taking pipe in the inner cylinder 2.
The water source well is clear in filtered water, can effectively intercept algae, garbage and flood silt in surface water, effectively protects people and livestock from being adsorbed by the water taking pump, has the characteristics of simple structure, good practicability, safe and reliable operation, short construction period and low investment cost, has the characteristics of convenient construction and maintenance in surface water sources such as rivers, lakes, berths and the like, and has positive popularization significance for providing water for life of human activities and industrial production.
Example 2:
the water source well for taking water from the surface water source is formed by combining a plurality of water source well units, wherein each water source well unit is composed of an outer cylinder 1 and an inner cylinder 2, the inner cylinder 2 is sleeved in the outer cylinder 1, the diameter of the inner cylinder 2 is 2m, and the diameter of the outer cylinder is 4 m. The outer cylinder 1 and the inner cylinder 2 are respectively composed of a base 4 and a cylinder section 5, and the cylinder section 5 is flange-mounted on the base 4. The base 4 of urceolus 1 and inner tube 2 highly is 2m respectively, the base 4 of urceolus 1 and inner tube 2 is by last hoop 6 respectively, hoop 7 and filter constitute down, it describes the interval setting to be from top to bottom to go up hoop 6 and hoop 7 down, it is cylindric filter to be equipped with admittedly on hoop and the hoop inner surface circumference down, the equipartition has stiffener 8 between the last hoop 6 of filter surface and the 7 circumferences of hoop down, with the bulk strength of strengthening base 4, and carry out radial spacing to the filter.
The cylinder sections 5 of the outer cylinder 1 and the inner cylinder 2 are respectively composed of an upper supporting ring 9, a middle supporting ring 10, a lower supporting ring 11 and a filtering plate, and the heights of the cylinder sections 5 of the outer cylinder 1 and the inner cylinder 2 are respectively 3 m. The upper supporting ring 9, the middle supporting ring 10 and the lower supporting ring 11 are arranged at intervals in an up-down shape, a cylindrical filter plate is fixedly arranged on the circumference of the inner surface of each supporting ring, and the upper supporting ring 9, the middle supporting ring 10 and the lower supporting ring 11 on the outer surface of the filter plate are fixedly connected with one another through a reinforcing supporting rod 12. And the shell ring 5 of the outer shell 1 and the inner shell 2 are arranged on the corresponding bases in a flange mode.
The inner cylinder 2 and the outer cylinder 1 are fixed through a fixed connecting rod 3, a filtering layer 14 is arranged in an annular space between the inner cylinder 2 and the outer cylinder 1, and the filtering layer is formed by piling 2-5 cm pebbles. The top of the inner cylinder 2 is movably provided with a cover plate 15 to form a plug for the top port of the inner cylinder 2 and prevent surface water from directly entering the inner cylinder 2 from the top port of the inner cylinder 2. The water source well units are communicated with each other through a communicating pipe radially arranged at the bottom end of each water source well unit; the filter plates on the outer barrel 1 and the base 4 of the inner barrel 2 of one water source well unit are correspondingly provided with mounting holes 13, a water taking pipe is installed in each mounting hole 13, one end of each water taking pipe is connected with a water delivery pipe, the other end of each water taking pipe extends into the inner barrel 2, and a water taking pump is installed at the end of each water taking pipe extending into the inner barrel 2.
When the water source well is constructed, a 50 cm foundation pit is dug on the riverbed of the surface water source, and then the water source well units are hung in the foundation pit in a parallel or delta shape and backfilled. After the completion, pebbles with the diameter of 2-5 cm are filled in the annular space between the outer cylinder 1 and the inner cylinder 2 of each water source well unit to form a filter layer 14; the filter layer 14 is not only used for filtering surface water, but also forms a balance weight for the outer cylinder 1 and the inner cylinder 2 of each source well unit to prevent the source well from inclining or falling down as a whole. When the water source well works, surface water enters (seeps into) the filter layer 14 formed by pebbles from the filter holes of the filter plate on the outer cylinder 1 of each water source well unit, impurities contained in the surface water are filtered by the filter layer 14 in the process, so that the impurities are preliminarily purified, then enter the central hole of the inner cylinder 2 through the filter holes of the filter plate on the inner cylinder 2 for storage, and then the water taking operation can be completed through the water taking pump extending to the end of the water taking pipe in the inner cylinder 2. Wherein, in the water taking operation process of the water taking pump, the water source well unit without the water taking pump timely supplements water source to the water source well unit where the water taking pump is located through the communicating pipe which is radially arranged so as to ensure the continuity of the water taking operation.
The water source well can effectively intercept algae, garbage and flood silt in surface water through each water source well unit, effectively protects people and livestock from being adsorbed by the water taking pump, and has the characteristics of simple structure, good practicability, safe and reliable operation, short construction period, low investment cost and clear filtered water; meanwhile, the method has the characteristics of convenient construction and maintenance in surface water sources such as rivers, lakes, parks and the like, and has positive popularization significance for providing water for life of human activities and industrial production.
Claims (10)
1. The utility model provides a water source well for surface water source water intaking, it comprises urceolus (1) and inner tube (2), its characterized in that: an inner cylinder (2) is sleeved in the outer cylinder (1), the inner cylinder (2) and the outer cylinder (1) are fixed through a fixed connecting rod (3), a filtering layer (14) is arranged in an annular space between the inner cylinder (2) and the outer cylinder (1), and a cover plate (15) is movably arranged at the top of the inner cylinder (2); the filter layer (14) is formed by piling 2-5 CM pebbles; the outer cylinder (1) and the inner cylinder (2) are respectively composed of a base (4) and a cylinder section (5), and the cylinder section (5) is arranged on the base (4) in a flange mode.
2. A source well for retrieving water from a surface water source according to claim 1, wherein: the base of the outer barrel (1) and the base of the inner barrel (2) are respectively composed of an upper hoop (6), a lower hoop (7) and a filter plate, the upper hoop (6) and the lower hoop (7) are arranged at intervals in an up-down shape, the inner surface circumferences of the upper hoop (6) and the lower hoop (7) are fixedly provided with the cylindrical filter plate, and reinforcing rods (8) are uniformly distributed between the circumferences of the upper hoop (6) and the lower hoop (7) on the outer surface of the filter plate.
3. A source well for retrieving water from a surface water source according to claim 2, wherein: the section of thick bamboo (5) of urceolus (1) and inner tube (2) constitute by last supporting ring (9), well supporting ring (10), bottom suspension ring (11) and filter respectively, go up supporting ring (9), well supporting ring (10), bottom suspension ring (11) and be the interval setting of upper and lower form, gu be equipped with cylindric filter on each supporting ring internal surface circumference, through strengthening bracing piece (12) mutual fixed connection between last supporting ring (9), well supporting ring (10), the bottom suspension ring (11) of filter surface.
4. A source well for retrieving water from a surface water source according to claim 2, wherein: the water taking device is characterized in that mounting holes (13) are correspondingly formed in the base (4) of the outer barrel (1) and the inner barrel (2), a water taking pipe is installed in each mounting hole (13), and a water taking pump is installed at the end of the water taking pipe in the base (4) of the inner barrel (2).
5. The source well of claim 4, wherein: the diameter of the outer cylinder (1) is 4m, and the diameter of the inner cylinder (2) is 2 m; the heights of the bases (4) of the outer cylinder (1) and the inner cylinder (2) are respectively 2m, and the heights of the cylinder sections (5) of the outer cylinder (1) and the inner cylinder (2) are respectively 3 m.
6. A water source well for surface water source water taking is formed by combining a plurality of water source well units, and is characterized in that: the water source well unit respectively by urceolus (1) and inner tube (2) constitution, inner tube (2) are equipped with to urceolus (1) endotheca, it is fixed through fixed connecting rod (3) between inner tube (2) and urceolus (1), be provided with filter layer (14) in the annular space between inner tube (2) and urceolus (1), the top movable mounting of inner tube (2) has apron (15), communicate each other through communicating pipe between each water source well unit, it is provided with mounting hole (13) to correspond on urceolus (1) of one of them water source well unit and base (4) of inner tube (2), install the intake pipe in mounting hole (13), the intake pipe end in base (4) of inner tube (2) is equipped with the water pump.
7. A source well for retrieving water from a surface water source according to claim 6, wherein: the outer barrel (1) and the inner barrel (2) are respectively composed of a base (4) and a barrel section (5), the barrel section (5) is arranged on the base (4) in a flange mode, the base (4) of the outer barrel (1) and the inner barrel (2) is respectively composed of an upper hoop (6), a lower hoop (7) and a filter plate, the upper hoop (6) and the lower hoop (7) are arranged in an up-down mode at intervals, a cylindrical filter plate is fixedly arranged on the inner surface circumference of the upper hoop (6) and the lower hoop (7), and reinforcing rods (8) are uniformly distributed between the circumferences of the upper hoop (6) and the lower hoop (7) on the outer surface of the filter plate.
8. A source well for retrieving water from a surface water source according to claim 6, wherein: the section of thick bamboo (5) of urceolus (1) and inner tube (2) constitute by last supporting ring (9), well supporting ring (10), bottom suspension ring (11) and filter respectively, go up supporting ring (9), well supporting ring (10), bottom suspension ring (11) and be the interval setting of upper and lower form, gu be equipped with cylindric filter on each supporting ring internal surface circumference, through strengthening bracing piece (12) mutual fixed connection between last supporting ring (9), well supporting ring (10), the bottom suspension ring (11) of filter surface.
9. A source well for retrieving water from a surface water source according to claim 6, wherein: the water source well units are arranged in parallel.
10. A source well for retrieving water from a surface water source according to claim 6, wherein: the water source well units are arranged in a delta shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110986493.0A CN113684888A (en) | 2021-08-26 | 2021-08-26 | Water source well for surface water source water taking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110986493.0A CN113684888A (en) | 2021-08-26 | 2021-08-26 | Water source well for surface water source water taking |
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| CN113684888A true CN113684888A (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110986493.0A Pending CN113684888A (en) | 2021-08-26 | 2021-08-26 | Water source well for surface water source water taking |
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Cited By (2)
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| CN107287100A (en) * | 2017-07-17 | 2017-10-24 | 昆明理工大学 | A kind of slurries and heteroproteose cell separator |
| CN114457874A (en) * | 2022-03-15 | 2022-05-10 | 湖北泉洁二次供水工程有限公司 | Frequency conversion type pressurized water supply equipment |
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| CN107287100A (en) * | 2017-07-17 | 2017-10-24 | 昆明理工大学 | A kind of slurries and heteroproteose cell separator |
| CN114457874A (en) * | 2022-03-15 | 2022-05-10 | 湖北泉洁二次供水工程有限公司 | Frequency conversion type pressurized water supply equipment |
| CN114457874B (en) * | 2022-03-15 | 2023-09-22 | 湖北泉洁二次供水工程有限公司 | Variable-frequency pressurized water supply equipment |
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Application publication date: 20211123 |