CN110217853B - Purifying device for screening floating objects in sewage - Google Patents
Purifying device for screening floating objects in sewage Download PDFInfo
- Publication number
- CN110217853B CN110217853B CN201910569383.7A CN201910569383A CN110217853B CN 110217853 B CN110217853 B CN 110217853B CN 201910569383 A CN201910569383 A CN 201910569383A CN 110217853 B CN110217853 B CN 110217853B
- Authority
- CN
- China
- Prior art keywords
- stage
- stage screening
- component
- water
- sewage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention provides a purifying device for screening floating objects in sewage. The purification device comprises a water distribution part which is used for being connected with raw sewage and is positioned at the top; the purification component is used for treating raw sewage, can be positioned below the water distribution component and comprises a first-stage screening component and a second-stage screening component, the first-stage screening component is a plate-shaped unit symmetrically placed on two sides of the second-stage screening component in a splayed shape, and the second-stage screening component is positioned below the first-stage screening component and horizontally placed; a floating matter collecting part arranged outside the lower end of the first stage sieving part; and a drainage part for discharging the purified sewage, the drainage part being positioned below the secondary screening part. The purification device adopts a unique two-stage screening component design, and can effectively improve the step-by-step separation effect of floating objects.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a purification device for screening floating objects in sewage.
Background
With the increase of population and the development of industrial and agricultural production, the floating objects such as garbage, duckweed and the like in sewage and rivers are more and more. The garbage in the floating objects can cause the increase of the concentration of organic matters in the water body, so that the water body is deteriorated, the oxygen consumption is increased, and the growth and the reproduction of other bacteria are promoted; duckweed in the floating objects can cause the water body to be anoxic, so that aerobic organisms such as aquatic plants, fishes, benthonic animals and the like in the water body die, and further the ecological balance of the river channel is damaged.
In order to clean the floating objects, the existing cleaning method mainly depends on a mechanical grating, a manual grating or manual fishing. The mechanical grating equipment has a complex structure and is difficult to install and maintain, floating objects and garbage cannot be effectively intercepted if gaps among grating strips are too large, and the gaps among the grating strips are also easy to block due to too small gaps; the manual grating also has the problem caused by too large or too small gap arrangement of grating bars, and when floating objects intercepted by the grating bars are cleaned, the floating objects are likely to fall into the water again due to difficulty in cleaning, so that the difficulty in cleaning the floating objects is increased, and the cleaning efficiency of the floating objects is reduced; if the manual fishing mode is adopted for cleaning, the labor time of workers can be increased, and floating objects cannot be cleaned thoroughly along with the flowing of water, so that the manual fishing mode is generally only suitable for occasions with fewer floating objects.
Disclosure of Invention
In order to solve the existing problems, the invention provides a purification device for removing floating objects in sewage.
According to an aspect of the present disclosure, in one embodiment, a purification apparatus for removing floating materials in polluted water may include: the water distribution part is used for being connected with the sewage raw water and is positioned at the top; the purification component is used for treating raw sewage, the purification component can be positioned below the water distribution component, the purification component can comprise a first-stage screening component and a second-stage screening component, the first-stage screening component is a plate-shaped unit which is symmetrically placed on two sides of the second-stage screening component in a splayed shape, and the second-stage screening component is positioned below the first-stage screening component and is horizontally placed; a floating matter collecting part arranged outside the lower end of the first stage sieving part; and a drainage component for discharging the purified sewage, wherein the drainage component is positioned below the second-stage screening component.
In an example of one embodiment of a purification apparatus according to the present disclosure, the first stage screening element may have a planar structure or a curved structure, and the first stage screening element may include an outer frame and a first stage intercepting screen fixed inside the frame.
Preferably, in an example of one embodiment of a purification apparatus according to the present disclosure, the second stage screening element may be a rectangular structure, and the second stage screening element may include a mounting frame and a sub-element that is retractable or slidable into the mounting frame.
Preferably, the mounting frame may be provided with a sliding groove along which a sub-member may slide, and the sub-member may include an outer frame and a second stage interception screen fixed inside the mounting frame, and the second stage interception screen may have a smaller pore size than that of the first stage interception screen.
In an embodiment of the purification apparatus according to the present disclosure, the water distribution member may be a long groove structure with an opening facing downward; the water dispenser may include: a water inlet positioned at the top of the long groove; the water collecting area is positioned at the upper part of the elongated slot and is separated by a partition plate, and the partition plate is provided with a flow through port; the water distribution area is positioned below the partition plate and is divided into a left subarea and a right subarea by an intermediate part; and a flow guiding zone located below the sub-zone.
In an example of an embodiment of a purification apparatus according to the present disclosure, the baffle in the flow guiding region may be an inverted V-shaped structure with a pointed edge connected to the bottom edge of the intermediate member.
In an embodiment of the purification device according to the present disclosure, the flow opening is located directly above the baffle.
In an embodiment of the purification apparatus according to the present disclosure, the lateral bottom end of the elongated slot structure may be provided with an overhanging deflector splash shield.
In an embodiment of the purification apparatus according to the present disclosure, the drain member may include: a temporary water storage area for storing the sewage after passing through the second stage sieving component; and the water outlet is used for discharging sewage in the temporary water storage area and is positioned below the temporary water storage area.
In an example of one embodiment of the purification apparatus according to the present disclosure, the purification member may have a length greater than or equal to that of the water distribution member, the water discharge member and the floating object collecting member may have lengths greater than or equal to that of the purification member, and the water discharge member may have a width equal to that of the second stage sieving member.
By using the purification device according to the present disclosure, advantageous effects can be obtained at least in that:
the unique two-stage screening structural design is adopted, so that the step-by-step separation effect of the floating objects is effectively improved;
the second-stage screening component with the sliding chute is adopted, so that intercepted floating objects can be conveniently cleaned;
the structure is simple, and no electric control component is arranged in the purifying device, so that the purifying device is convenient to install and maintain in the using process;
introducing the sewage into the purification device through the water inlet, and discharging the sewage out of the device through the water outlet after purification; therefore, the purifying device has wide application range, not only can be used for purifying the sewage in the sewage pool, but also can be used for cleaning floating objects (such as duckweed, suspended floating garbage, carried sundries and the like) in a river channel.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the following description will be made with reference to the accompanying drawings. In the drawings:
FIG. 1 is a side view end-face schematic of one embodiment of a purification apparatus according to the present disclosure.
FIG. 2 is a front and left side view of a first stage screen section in one embodiment of a purification apparatus according to the present disclosure.
Figure 3 is a front and left side view of a first stage screening element in another embodiment of the present disclosure.
Figure 4 is a top view of the second stage screening elements in the embodiment of the invention shown in figure 1.
Fig. 5 is a schematic view of a water distribution member according to another embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
A purification device for screening floating objects in sewage is proposed in the present application. In one embodiment, the purification apparatus for removing floating materials from sewage may include: the water distribution part is used for being connected with the sewage raw water and is positioned at the top; the purification component is used for treating raw sewage, can be positioned below the water distribution component and comprises a first-stage screening component and a second-stage screening component, the first-stage screening component is a plate-shaped unit symmetrically placed on two sides of the second-stage screening component in a splayed shape, and the second-stage screening component is positioned below the first-stage screening component and horizontally placed; a floating matter collecting part arranged outside the lower end of the first stage sieving part; and a drainage component for discharging the purified sewage, wherein the drainage component is positioned below the second-stage screening component.
In an example of one embodiment of a purification apparatus according to the present disclosure, the first stage screening element may have a planar structure or a curved structure, and the first stage screening element may include an outer frame and a first stage intercepting screen fixed inside the frame.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.
Fig. 1 is a schematic structural view of an embodiment of a purification apparatus according to the present disclosure, schematically showing a vertical end view of the purification apparatus. It will be appreciated that the entirety of the purification device, extending inwardly in a direction perpendicular to the plane of the paper, may be of a configuration similar to a section of a dike. As shown in fig. 1, the purification apparatus may include a water distribution part 1, a purification part 2, a floating matter collecting part 3, and a water discharge part 4. As shown in fig. 1, a water distribution part 1 is positioned at the top of the purification apparatus, and is used for introducing raw sewage water in a sewage pool or a river channel into a purification part 2 positioned below the water distribution part 1 to perform floating object screening. In the example shown in the figure, the purification component 2 comprises a first-stage screening component 21 and a second-stage screening component 22, the first-stage screening component 21 is symmetrically arranged on two sides of the second-stage screening component 22 in a splayed mode, and in order to ensure that sewage passing through the first-stage screening component 21 effectively falls onto the second-stage screening component 22, the second-stage screening component 22 is horizontally arranged right below the first-stage screening component 21; in order to ensure that the floating objects separated by the first-stage screening component 21 naturally slide into the floating object collecting component 3, the floating object collecting component 3 is arranged outside the lower end of the first-stage screening component 21; the drain part 4 is located right below the second stage sieving part 22 for discharging the purified sewage out of the purifying apparatus.
In specific implementation, the floating object collecting part 3 adopts a structure form of a rectangular open groove and is placed on the left side and the right side of the drainage part 4. The floating object collecting member 3 has a length (vertical direction perpendicular to the paper surface in fig. 1) of 1.0 to 2.0m, a width (horizontal direction parallel to the paper surface in fig. 1) of 0.3 to 0.6m, and a height of 0.3 to 0.5 m. In addition, the floating object collecting part 3 can also be a collecting barrel or other parts for containing the floating objects.
In one embodiment of the solution according to the invention the first stage screen elements 21 may be of a planar or curved configuration. When the first-stage screening component 21 adopts a curved surface structure, the convex sides are correspondingly arranged at two sides of the second-stage screening component 22, and a certain gap is reserved between the two curved surfaces; the first stage screen section 21 comprises a first outer frame e1 and a first stage screening mesh f1, the first stage screening mesh f1 being fixed inside said first outer frame e 1.
Figure 2 is an elevation and a left side view of a first stage screen element 21 in an embodiment of the invention in a curved configuration. In specific implementation, the radian C of the curved surface of the primary screening component 21 can be set to be 60-90 degrees, the width L1 is 1.0-2.0 m, and the height H is 0.6-1.5 m; the first outer frame e1 is made of steel, a steel wire mesh grid with the aperture of 10-20 mm is used as a first-stage intercepting screen f1, and the first-stage intercepting screen f1 is fixed inside the first outer frame e 1; the first outer frame e1 may be made of aluminum alloy, cast iron, or the like, and the first-stage intercepting screen f1 may be made of a horizontal and vertical grid mesh or a flat plate with holes.
Figure 3 is a front view and a left side view of a first stage screen element 21 in a planar configuration according to an embodiment of the invention. As shown in fig. 3, the first stage screen elements 21 may alternatively be of planar configuration; the first stage screen elements 21 are similar to the curved configuration described above except that they have no curvature. The structures or materials of the first outer frame e1 and the first-stage intercepting screen f1 are not particularly limited as long as filtering can be achieved.
Figure 4 is a top view of the second stage screening elements 22 in the embodiment of the invention shown in figure 1. Second stage screening elements 22 may take the form of a rectangular structure including a mounting frame and a plurality of sub-elements that may be withdrawn from or slid into the mounting frame; mounting a chute on the mounting frame, along which the sub-component can slide; when the floating objects are intercepted by the second-stage screening component 22, the floating objects intercepted by the second-stage screening component 22 uniformly fall on the plurality of sub-components, and the sub-components can be pulled out in a manual pulling mode to clean the floating objects as the sub-components can horizontally slide in the sliding grooves. The sub-assembly may comprise a second outer frame e2 and a second stage interception screen f2 fixed inside the second outer frame e 2; to ensure that floating material that is not retained by first stage screen element 21 is retained by second stage screen element 22, the pore size of second stage intercepting screen f2 should be smaller than the pore size of first stage intercepting screen f 1.
In specific implementation, as shown in fig. 4, the second-stage screening element 22 may be formed by splicing a plurality of sub-elements 221, 222,. 22n with a steel chute d1/d2, the number of the sub-elements may be 4 or 6, and a handle g is installed on one side of the sub-elements, and the sub-elements can be horizontally extracted by grasping the handle g. The second outer frame e2 of the sub-component is made of aluminum alloy, a steel wire woven net with the aperture of 5-10 mm is used as a second-stage intercepting screen f2, and the second-stage intercepting screen f2 is fixed inside the second outer frame e 2; the length L2 of the sub-component is 1.0-2.0 m, and the width B is 0.3-0.6 m; the second outer frame e2 can also be made of steel, cast iron and the like, and the second-stage interception screen f2 can also be made of transverse and longitudinal grid meshes or flat plates with holes and the like.
In one embodiment of the present disclosure, the water distribution member 1 is an elongated slot structure with an opening facing downward and inverted above the purification member 2. The water distribution part 1 may include a water inlet 11, a water collecting region 12, a water distribution region 13, and a flow guide region 14. The water collecting area 12 is an area which is separated by a partition plate above the inside of the water distribution part 1, and the partition plate is provided with an overflow port a; the water distribution area 13 is positioned below the partition plate and is divided into a left subarea and a right subarea by an intermediate part; the guide plate in the guide area 14 is inverted under the middle part in a V-shaped structure, and the edge of the V-shaped sharp corner is connected with the bottom edge of the middle part; and the bottom edge of the side surface of the water distribution part 1 is also provided with an overhanging flow guide splash guard b, and a flow guide opening is formed between the flow guide splash guard b and the flow guide plate. The sewage raw water with floating objects enters a water collecting area 12 from a water inlet 11 positioned at the top of the water distribution part 1, then enters respective water distribution areas 13 after the water distribution of the two subunits is carried out through the flow passing port a, and then flows into the first-stage screening part 21 through the flow guide port between the flow guide plate and the flow guide splash guard b to carry out interception, dehydration and separation of the floating objects.
In specific implementation, as shown in fig. 1, the water distribution member 1 has a rectangular cross section, and the diversion splash guard b is fixed to the bottom of the side surface of the water distribution member 1 and extends outward. The length (vertical direction perpendicular to paper surface in figure 1) of the water distribution part 1 is 1.0-2.0 m, the width (horizontal direction parallel to paper surface in figure 1) of the top is 0.3-0.6 m, and the height is 0.3-0.5 m; the angle of the guide plate in the guide area 14 is set to be 30-45 degrees, the width of the guide area 14 is 0.2m less than that of the top of the water distribution part 1, and a duckbill-shaped guide opening is formed between the guide plate and the guide splash-proof plate b.
In another embodiment of the present invention, as shown in fig. 5, the water distribution part 1 may also have a trapezoidal cross-section, the side of the water distribution part 1 is used as a diversion splash guard b, and parallel diversion openings are formed between the diversion splash guard b and the diversion plate.
In order to ensure that the sewage flows into the first-stage sieving element 21 uniformly along the guide plate, the flow passing opening a is arranged right above the guide plate.
In one embodiment of the present disclosure, drainage member 4 is positioned directly below second stage screen member 22. The drain part 4 may include a temporary water storage area 41 and a drain opening 42; the contaminated water passing through the second stage sieving part 22 flows into the temporary water storage region 41 of the drain part 4 and is discharged out of the purification apparatus through the drain port 42 located at the bottom of the temporary water storage region 41.
In specific implementation, the length (vertical direction perpendicular to the paper surface in fig. 1) of the drainage component 4 is 1.0-2.0 m, the width (horizontal direction parallel to the straight surface in fig. 1) is 0.3-0.6 m, and the height is 0.3-0.6 m.
Specifically, in order to prevent the sewage in the water distribution part 1 from flowing into the outside of the purifying part 2, the length of the purifying part 2 is greater than or equal to that of the water distribution part 1; in order to prevent the floating objects trapped by the first stage screening part 21 from sliding to the outside of the floating object collecting part 3, the length of the floating object collecting part 3 should be greater than or equal to the length of the purifying part 2; similarly, to ensure that the contaminated water passing through second stage screening element 22 flows efficiently into temporary holding area 41, the length of drainage element 4 should be greater than or equal to the length of second stage screening element 22, and the width of drainage element 4 should be equal to the width of second stage screening element 22.
According to the invention, the purifying device for screening floating objects in sewage can obtain at least the following beneficial effects:
1. the purification device adopts a unique two-stage screening structure design, and effectively improves the step-by-step separation effect of floating objects.
2. The purification device adopts the second-stage screening component with the chute, so that the intercepted floating objects can be conveniently cleaned.
3. The purification device has a simple structure, and no electric control part is arranged in the purification device, so that the purification device is convenient to install and maintain in the using process.
4. The purification device can lead sewage into the purification device through the water inlet, and discharge the sewage out of the device through the water outlet after purification; therefore, the purifying device has wide application range, not only can be used for purifying the sewage in the sewage pool, but also can be used for cleaning floating objects (such as duckweed, suspended floating garbage, carried sundries and the like) in a river channel.
The above-mentioned embodiments illustrate and describe the basic principles and main features of the present invention, but the present invention is not limited to the above-mentioned embodiments, and those skilled in the art should make modifications, equivalent changes and modifications without creative efforts to the present invention within the protection scope of the technical solution of the present invention.
Claims (4)
1. A purifier for screening floating objects in sewage is characterized in that: the purification device includes:
a water distribution part (1) which is used for connecting with the sewage raw water and is positioned at the top;
the purification component (2) is used for treating raw sewage, the purification component (2) is positioned below the water distribution component (1), the purification component (2) comprises a first-stage screening component (21) and a second-stage screening component (22), the first-stage screening component (21) is a plate-shaped unit which is symmetrically placed on two sides of the second-stage screening component (22) in a splayed manner, and the second-stage screening component (22) is positioned below the first-stage screening component (21) and is horizontally placed;
a floating matter collecting part (3) arranged outside the lower end of the first stage screening part (21); and
a water discharge part (4) for discharging the purified sewage, the water discharge part (4) being positioned below the second stage sieving part (22);
the water distribution part (1) is of a long groove structure with a downward opening, and the cross section of the water distribution part (1) is rectangular or trapezoidal; the water distribution member (1) comprises:
a water inlet (11) positioned at the top of the long groove;
a water collecting area (12) which is positioned at the upper part of the long groove and is separated by a partition plate, wherein the partition plate is provided with an overflowing opening;
the water distribution area (13) is positioned below the partition plate and is divided into a left sub area and a right sub area by an intermediate part; and
a flow guiding zone (14) located below the sub-zone;
the first stage screening element (21) is of a plane structure or a curved structure, and the first stage screening element (21) comprises a first outer frame (e 1) and a first stage intercepting screen (f 1) fixed inside the first outer frame (e 1);
-the second stage screening element (22) is of rectangular configuration, the second stage screening element (22) comprising a mounting frame and sub-elements that can be extracted or slid into the mounting frame;
the mounting frame is provided with a sliding groove, the sub-components can slide along the sliding groove, the sub-components comprise a second outer frame (e 2) and a second-stage intercepting screen (f 2) fixed inside the second outer frame (e 2), and the pore size of the second-stage intercepting screen (f 2) is smaller than that of the first-stage intercepting screen (f 1);
the guide plate in the guide area (14) is of an inverted V-shaped structure, and the sharp-angled edge is connected with the bottom edge of the middle part;
and the bottom end of the side surface of the long groove structure is provided with an overhanging flow guide splash guard (b).
2. The purification apparatus according to claim 1, wherein: the overflowing opening is positioned right above the guide plate.
3. The purification apparatus according to claim 1, wherein: the drain member (4) includes:
a temporary water storage area (41) for storing the sewage after passing through the second stage screening member (22); and
a water discharge opening (42) for discharging the sewage of the temporary water storage area (41), the water discharge opening (42) being located below the temporary water storage area (41).
4. The purification apparatus according to claim 3, wherein: the length of the purifying part (2) is more than or equal to that of the water distribution part (1), the length of the water discharging part (4) and the floating object collecting part (3) is more than or equal to that of the purifying part (2), and the width of the water discharging part (4) is equal to that of the second-stage screening part (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569383.7A CN110217853B (en) | 2019-06-27 | 2019-06-27 | Purifying device for screening floating objects in sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569383.7A CN110217853B (en) | 2019-06-27 | 2019-06-27 | Purifying device for screening floating objects in sewage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110217853A CN110217853A (en) | 2019-09-10 |
| CN110217853B true CN110217853B (en) | 2022-05-31 |
Family
ID=67815039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910569383.7A Active CN110217853B (en) | 2019-06-27 | 2019-06-27 | Purifying device for screening floating objects in sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110217853B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2530051A1 (en) * | 2011-06-03 | 2012-12-05 | Evonik Solar Norge AS | Reduction furnace body |
| CN108002451A (en) * | 2016-10-31 | 2018-05-08 | 佛山市原创动力科技有限公司 | A kind of floating material graded crushing formula sewage purifier |
| CN108525394A (en) * | 2018-05-03 | 2018-09-14 | 齐艳华 | One kind watching water-based no dirt-discharging purifying method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001058179A (en) * | 1999-08-24 | 2001-03-06 | Kobe Steel Ltd | Method and apparatus for water treatment |
| US10287189B2 (en) * | 2016-04-25 | 2019-05-14 | Carden Water Systems, Llc | Electrocoagulation reactors having pellet flow circuits |
| CN206570121U (en) * | 2017-02-17 | 2017-10-20 | 广元绿岛农业开发有限公司 | One kind pickles water circulation treatment device automatically |
| CN108745616A (en) * | 2018-07-04 | 2018-11-06 | 浦馨月 | A kind of aggregate screening device with sludge clearing function |
| CN210825535U (en) * | 2019-06-27 | 2020-06-23 | 中持水务股份有限公司 | A float thing integrated purification device for sewage treatment plant |
-
2019
- 2019-06-27 CN CN201910569383.7A patent/CN110217853B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2530051A1 (en) * | 2011-06-03 | 2012-12-05 | Evonik Solar Norge AS | Reduction furnace body |
| CN108002451A (en) * | 2016-10-31 | 2018-05-08 | 佛山市原创动力科技有限公司 | A kind of floating material graded crushing formula sewage purifier |
| CN108525394A (en) * | 2018-05-03 | 2018-09-14 | 齐艳华 | One kind watching water-based no dirt-discharging purifying method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110217853A (en) | 2019-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210367360U (en) | Domestic sewage treatment device and rural water circulation system | |
| CN210825535U (en) | A float thing integrated purification device for sewage treatment plant | |
| KR101327526B1 (en) | Water treatment structure | |
| CN203342487U (en) | Continuous type filtering device | |
| CN111203028A (en) | Rainwater desilting basin device for hydraulic engineering | |
| CN110217853B (en) | Purifying device for screening floating objects in sewage | |
| CN107364903B (en) | Fine grating decontamination equipment and method | |
| CN211813568U (en) | Oil removing device for oily wastewater | |
| CN211799134U (en) | Aperture is adjustable easy to assemble's water conservancy screen cloth | |
| CN207445707U (en) | A kind of polluted water pretreatment apparatus | |
| KR20080105445A (en) | Improved secondary sedimentation basins of biological sewage and waste water treatment plant | |
| CN207444016U (en) | A kind of multilayer can natural separation aquatic products discarded object cultivating system | |
| CN101850192B (en) | Method for suppressing growth of algae at effluent weir of secondary sedimentation tank | |
| CN114892755A (en) | Novel rainwater collection device | |
| CN209974461U (en) | Integrated stacked water purifier | |
| CN110833714B (en) | Anti-blocking blue algae concentration filtering unit | |
| CN210645271U (en) | Interception purification device and system | |
| CN209922948U (en) | Synchronous nitrogen and phosphorus removing device for farmland water return | |
| CN109437490B (en) | Harmless treatment equipment for high-concentration organic wastewater in farm | |
| KR20100048029A (en) | Inclined plate type settling basin | |
| CN220125702U (en) | Box-type rapid infiltration device for controlling farmland soil and nitrogen and phosphorus loss | |
| CN217490067U (en) | Small-size rainwater subregion processing apparatus | |
| CN206404388U (en) | A kind of water leg and the water process cleaning system provided with the water leg | |
| CN104649452A (en) | Slag bath system capable of blocking scummings | |
| CN214961939U (en) | Filter equipment and fry hatching pond |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Fuhai Inventor after: Zhang Zhan Inventor after: Wu Yibing Inventor before: Jiang Fuhai |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |