CN212067946U - Sewage filtering device - Google Patents
Sewage filtering device Download PDFInfo
- Publication number
- CN212067946U CN212067946U CN202020712524.4U CN202020712524U CN212067946U CN 212067946 U CN212067946 U CN 212067946U CN 202020712524 U CN202020712524 U CN 202020712524U CN 212067946 U CN212067946 U CN 212067946U
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- Prior art keywords
- filter
- box
- filter screen
- frame
- driving mechanism
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- 238000001914 filtration Methods 0.000 title claims abstract description 97
- 239000010865 sewage Substances 0.000 title claims abstract description 72
- 230000002093 peripheral Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 238000004140 cleaning Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 12
- 241000220317 Rosa Species 0.000 description 9
- 238000005406 washing Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a sewage filtering device, which relates to the technical field of sewage treatment devices and comprises a filtering box, a filtering screen and a driving mechanism; a frame is arranged on the periphery of the filter screen and is connected to the inner peripheral wall of the filter box in a sliding manner; the driving mechanism is arranged on the wall of the box body of the filter box and is connected with the frame; the top of the filter box is provided with an opening, and the driving mechanism is configured to drive the frame to lift relative to the filter box so that the filter screen enters or extends out of the filter box from the opening. The utility model discloses the filter screen that has alleviated sewage filter equipment among the prior art and has rinsed and change inconvenient and filter screen cleaning efficiency low technical problem.
Description
Technical Field
The utility model relates to a technical field that sewage treatment equipped especially relates to a sewage filter equipment.
Background
In the prior art, a sewage filtering device is generally used for filtering sewage, the sewage filtering device generally comprises a filtering box and a filtering net, the filtering net is arranged in the filtering box, when filtering, sewage in the filtering box flows out of the filtering box after being filtered by the filtering net so as to complete sewage filtering work, however, solid matters in the sewage can be attached to the filtering net as the sewage flows through the filtering net, when the sewage amount is large, a large amount of solid matters are rapidly accumulated on the filtering net, the solid matters can cause water flow blockage, the flow rate of the sewage flowing through the filtering net is greatly reduced, and the sewage treatment efficiency is reduced; at this moment, just need clear up the filter screen, when clearing up the filter screen among the prior art, suspend the sewage treatment process earlier, stop sewage and continue to flow into the rose box, then need the manual work to collude from the rose box with the help of the instrument and take out the filter screen and wash or change, later the manual work is installed the filter screen back to in the filter box again, can restart the filterable work of sewage.
Above sewage filter equipment's structure leads to carrying out abluent process very complicated to the filter screen in the rose box, the quick operation of not being convenient for to at least there is the filter screen washing to change inconvenient and the filter screen cleaning efficiency low technical problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewage filtering device to alleviate the filter screen washing that sewage filtering device exists among the prior art and change inconvenient and the technical problem that filter screen cleaning efficiency is low.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
the embodiment of the utility model provides a sewage filtering device, which comprises a filtering box, a filtering screen and a driving mechanism;
a frame is arranged on the periphery of the filter screen and is connected to the inner peripheral wall of the filter box in a sliding manner; the driving mechanism is arranged on the wall of the box body of the filter box and is connected with the frame;
the top of the filter box is provided with an opening, and the driving mechanism is configured to drive the frame to lift relative to the filter box so that the filter screen enters or extends out of the filter box from the opening.
In an alternative embodiment, the drive mechanism includes a power take-off, an output shaft, a gear, and a rack;
the power output part is fixed on the wall of the box body of the filter box, one end of the output shaft is connected with the power output part, the gear is fixedly connected to the other end of the output shaft, and the rack is meshed with the gear;
one end of the rack is fixedly connected to the top of the frame, and the other end of the rack is fixedly connected to the bottom of the frame; the power output part is configured to drive the output shaft to rotate, and then drives the rack to drive the filter screen to lift.
In an alternative embodiment, the power output section employs a motor or a rotary cylinder.
In an alternative embodiment, the filter box has a box upper cover, the opening is opened in the box upper cover, and the power output part is mounted on the box upper cover.
In an optional embodiment, the driving mechanism further includes a supporting rod, the supporting rod is a telescopic rod, one end of the supporting rod is hinged to the top surface of the upper cover of the box body, and the other end of the supporting rod is hinged to the frame.
In an alternative embodiment, a sliding groove is formed in the inner peripheral wall of the filtering box, and the frame is slidably mounted inside the sliding groove.
In an alternative embodiment, a limiting groove is provided on the inner bottom wall of the filter box, and the limiting groove is configured to: the filter screen is located under the operating mode of the inside of rose box, with the mutual block in order to right in the bottom of frame the filter screen carries on spacingly.
In an optional implementation manner, the filter screens and the driving mechanisms are respectively provided with a plurality of filter screens, the filter screens are arranged at intervals in pairs, and the driving mechanisms are connected with the frames of the filter screens in a one-to-one correspondence manner.
In an optional implementation mode, a water inlet and a water outlet are respectively formed in the wall of the filtering box body, which is located on two sides of the filtering net, the water inlet is connected with a water inlet pipe, the water outlet is connected with a water outlet pipe, and the water inlet pipe and the water outlet pipe are both provided with control valves.
In an alternative embodiment, the control valve on the water inlet pipe and the control valve on the water outlet pipe both adopt electromagnetic valves.
The embodiment of the utility model provides a can realize following beneficial effect:
the embodiment of the utility model provides a sewage filtering device, which comprises a filtering box, a filtering screen and a driving mechanism; a frame is arranged on the periphery of the filter screen and is connected to the inner peripheral wall of the filter box in a sliding manner; the driving mechanism is arranged on the wall of the box body of the filter box and is connected with the frame; the top of the filter box is provided with an opening, and the driving mechanism is configured to drive the frame to lift relative to the filter box so that the filter screen enters or extends out of the filter box from the opening.
The embodiment of the utility model provides a use as follows: when the sewage filtering device provided by the embodiment is used for filtering sewage, sewage can be introduced into the filtering box, the sewage flows through the filtering net arranged in the filtering box for filtering, the frame is connected to the inner peripheral wall of the filtering box in a sliding manner, when the filtering net needs to be cleaned, the sewage is temporarily introduced into the filtering box, then the driving mechanism is started, the driving mechanism drives the frame to ascend relative to the filtering box until the filtering net stretches out of the filtering box from the opening formed in the top of the filtering box and then the driving mechanism temporarily stops running; then cleaning the filter screen; and restarting the driving mechanism after cleaning is finished, so that the driving mechanism drives the frame to descend relative to the filter box until the filter screen enters the filter box again from the opening formed in the top of the filter box, and introducing sewage into the filter box again to filter the sewage.
The embodiment of the utility model provides an among the sewage filter equipment, carry out abluent simple high-efficient process to the filter screen in the filter box to this embodiment has alleviated the filter screen washing that sewage filter equipment exists among the prior art at least and has changed inconvenient and filter screen cleaning efficiency low technical problem.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an overall structure of a sewage filtering apparatus according to an embodiment of the present invention;
fig. 2 is a plan view of the whole structure of the sewage filtering apparatus provided by the embodiment of the present invention.
Icon: 1-a filter box; 100-upper cover of box body; 101-a chute; 102-a limiting groove; 110-a water inlet pipe; 120-a drain pipe; 130-a control valve; 2, filtering a screen; 3-a drive mechanism; 31-a power take-off; 32-an output shaft; 33-gear wheel; 34-a rack; 35-support bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
The present embodiment provides a sewage filtering apparatus, and referring to fig. 1 and 2, the sewage filtering apparatus includes a filter tank 1, a filter screen 2, and a driving mechanism 3. A frame is arranged on the periphery of the filter screen 2, the filter tank 1 is provided with a peripheral wall and a bottom wall, and the frame is connected to the inner peripheral wall of the filter tank 1 in a sliding manner; the driving mechanism 3 is arranged on the wall of the box body of the filter box 1, and the driving mechanism 3 is connected with the frame; an opening is formed in the top of the filter box 1, and the driving mechanism 3 is configured to drive the frame to lift relative to the filter box 1, so that the filter screen 2 enters or extends out of the filter box 1 from the opening.
The use of this embodiment is as follows: when the sewage filtering device provided by the embodiment is used for filtering sewage, sewage can be introduced into the filtering box 1, the sewage flows through the filtering net 2 arranged in the filtering box 1 for filtering, because the frame is connected to the inner peripheral wall of the filtering box 1 in a sliding manner, when the filtering net 2 needs to be cleaned, the sewage is temporarily introduced into the filtering box 1, then the driving mechanism 3 is started, the driving mechanism 3 drives the frame to ascend relative to the filtering box 1, and the driving mechanism 3 is temporarily stopped running until the filtering net 2 stretches out of the filtering box 1 from the opening formed in the top of the filtering box 1; then cleaning the filter screen 2; after the cleaning is finished, the driving mechanism 3 is restarted, the driving mechanism 3 drives the frame to descend relative to the filter box 1 until the filter screen 2 enters the filter box again from the opening formed in the top of the filter box 1, and sewage is introduced into the filter box 1 again to filter the sewage.
Among the sewage filter equipment that this embodiment provided, filter screen 2 carries out abluent simple high-efficient process in to rose box 1 to this embodiment has alleviated the filter screen washing that sewage filter equipment exists among the prior art at least and has changed inconvenient and filter screen cleaning efficiency low technical problem.
In an alternative embodiment of this embodiment, the above driving mechanism 3 may have various specific structural forms, for example, the above driving mechanism 3 includes a pulling wire, a pulley, a rotating motor and a rotating wheel, the pulley and the rotating motor are fixedly connected to the wall of the filtering box 1, the pulling wire passes around the pulley, one end of the pulling wire is connected to the frame of the filtering net 2, the other end of the pulling wire is wound around the rotating wheel, the rotating wheel is connected to the rotating shaft of the rotating motor, the rotating wheel is driven to rotate by the rotating shaft of the rotating motor, so as to tighten or release the pulling wire to lift or release the filtering net 2, or the above driving mechanism 3 is formed into other specific driving structures, etc. With continued reference to fig. 1 and 2, in various alternative embodiments of the present embodiment, it is preferable that the above drive mechanism 3 includes a power output portion 31, an output shaft 32, a gear 33, and a rack 34; the power output part 31 is fixed on the wall of the filter box 1, one end of the output shaft 32 is connected with the power output part 31, the gear 33 is fixedly connected with the other end of the output shaft 32, and the rack 34 is meshed with the gear 33; one end of the rack 34 is fixedly connected to the top of the frame, and the other end of the rack 34 is fixedly connected to the bottom of the frame; power take off 31 configures to and can drive output shaft 32 and rotate, and then drives rack 34 and drive filter screen 2 and go up and down, and in this preferred embodiment, the structure that adopts gear 33 and rack 34 to mutually support is carried out the transmission to the process that filter screen 2 goes up and down for rose box 1, is favorable to guaranteeing the stability of filter screen 2 for the motion of rose box 1, and the cooperation process is reliable difficult for breaking down.
In the present preferred embodiment, it is further preferred that the above power output portion 31 may employ a motor or a rotary cylinder.
In addition, as shown in fig. 1 and 2, in addition to the above alternative embodiment in which the drive mechanism 3 includes the power output portion 31, the output shaft 32, the gear 33, and the rack 34, it is further preferable that the filter box 1 has a box upper cover 100, an opening is opened in the box upper cover 100, the power output portion 31 is attached to the box upper cover 100, in particular, in order to clearly illustrate the overall structure of the sewage filtering apparatus provided in this embodiment, in fig. 2, the box upper cover 100 is processed in a perspective manner, and in this embodiment, by providing the box upper cover 100, thereby providing a relatively stable mounting position for the power take-off 31, compared to the case upper cover 100 not provided, as for the power output unit 31 mounted on the outer peripheral wall of the filter box 1, it is obvious that the mounting structure of the power output unit 31 mounted on the filter box 1 in the present embodiment is more stable, and the driving process thereof is more reliable.
With continued reference to fig. 1 and 2, it is further preferable that the above driving mechanism 3 further includes a support rod 35, the support rod 35 is an expansion rod, one end of the support rod 35 is hinged to the top surface of the box upper cover 100, the other end of the support rod 35 is hinged to the frame, and by arranging the support rod 35, the filter screen 2 can be supported in the process that the filter screen 2 is lifted relative to the filter box 1 to enter or extend out of the filter box 1, so as to further ensure the stability of the filter screen 2 in lifting or descending relative to the filter box 1.
In addition, referring to fig. 2, in an alternative embodiment of this embodiment, it is preferable that a sliding groove 101 is provided on an inner peripheral wall of the filtering tank 1, and the frame is slidably mounted inside the sliding groove 101, and it is further preferable that the sliding groove 101 extends in a vertical direction, and accordingly, the filtering net 2 is spread inside the filtering tank 1 along a vertical plane.
In addition, referring to fig. 1, in an alternative embodiment of the present embodiment, it is preferable that a limiting groove 102 is provided on an inner bottom wall of the filter tank 1, and the limiting groove 102 is configured to: under the operating mode that filter screen 2 is located the inside of rose box 1, carry on spacingly with the mutual block in order to carry on filter screen 2 with the bottom of frame.
In addition, in the prior art, the sewage treatment process must be suspended to clean the filter screen, the sewage is stopped from continuously flowing into the filter box, then the filter screen is taken out from the filter box for cleaning or replacing, and then the filter screen is installed back into the filter box, so that the sewage filtering work can be restarted, because the filter screen in the filter box needs to be suspended in the cleaning process, the filtering efficiency of the sewage filtering device is greatly influenced, therefore, the sewage filtering device in the prior art also has the technical problem that the filtering process needs to be suspended when the filter screen is cleaned, and the sewage filtering efficiency of the sewage filtering device is low, compared with the above, in the optional implementation manner of the embodiment, preferably, the filter screen 2 and the driving mechanism 3 are respectively provided with a plurality of filters, the filters 2 are arranged at intervals, and the driving mechanisms 3 are connected with the frames of the filters 2 in a one-to-one correspondence manner, as shown in fig. 1 and 2, taking two filter screens 2 and two driving mechanisms 3 as an example, the two filter screens 2 are arranged at intervals, wherein one driving mechanism 3 is connected with a frame of one filter screen 2 to drive the filter screen 2 to lift relative to the filter box 1; and the other driving mechanism 3 is connected with the frame of the other filter screen 2 and drives the corresponding filter screen 2 to lift relative to the filter box 1. In the preferred embodiment, when one of the filter screens 2 needs to be cleaned, the driving mechanism connected with the filter screen 2 is started, so that the driving mechanism drives the filter screen 2 to ascend relative to the filter box 1 to a position extending out of the filter box 1, and at the moment, the other filter screens 2 still filter the sewage in the filter box 1 without stopping the filtering process; after the filter screen 2 extending out of the filter box 1 is cleaned, the driving mechanism connected with the filter screen 2 is restarted, so that the filter screen 2 is lowered to the filtering position entering the filter box 1 relative to the filter box 1 again; then wash all the other filter screens 2 in turn with the same mode, in this preferred embodiment, through setting up a plurality of filter screens 2 and actuating mechanism 3, and make a plurality of actuating mechanism 3 be connected with the frame one-to-one of a plurality of filter screens 2, thereby, the usable mode of wasing filter screen 2 in turn reaches the function of wasing filter screen 2 but need not stop filtering sewage, promote this sewage filter equipment's sewage filtration efficiency, and simultaneously, in this preferred embodiment, through making two liang of interval arrangements of a plurality of filter screens 2, thereby, mutual interference between each actuating mechanism when can avoiding cleaning filter screen 2 in turn, guarantee that each filter screen 2 smoothly gets into or stretches out rose box 1.
In addition, referring to fig. 1 and 2, in an optional embodiment of this embodiment, it is preferable that a water inlet and a water outlet are respectively opened on the box body walls of the filtering box 1 located at both sides of the filtering net 2, the water inlet is connected with the water inlet pipe 110, the water outlet is connected with the water outlet pipe 120, and the water inlet pipe 110 and the water outlet pipe 120 are both provided with the control valve 130, so that the sewage to be filtered and the filtered sewage can be introduced into the filtering box 1 through the water inlet pipe 110 and the water outlet pipe 120, and compared with introducing or discharging the sewage through introducing a pipeline into the filtering box 1 from an opening at the top of the filtering box 1.
In order to better control the water inlet condition and the water outlet condition, it is further preferable that the control valve 130 on the water inlet pipe 110 and the control valve 130 on the water outlet pipe 120 are electromagnetic valves which can be connected with an electronic control system.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A sewage filtering device is characterized in that: comprises a filter box (1), a filter screen (2) and a driving mechanism (3);
a frame is arranged on the periphery of the filter screen (2), and the frame is connected to the inner peripheral wall of the filter box (1) in a sliding manner; the driving mechanism (3) is arranged on the wall of the filtering box (1), and the driving mechanism (3) is connected with the frame;
an opening is formed in the top of the filter box (1), and the driving mechanism (3) is configured to drive the frame to lift relative to the filter box (1) so that the filter screen (2) enters or extends out of the filter box (1) from the opening.
2. The sewage filtration apparatus of claim 1, wherein: the driving mechanism (3) comprises a power output part (31), an output shaft (32), a gear (33) and a rack (34);
the power output part (31) is fixed on the wall of the filter box (1), one end of the output shaft (32) is connected with the power output part (31), the gear (33) is fixedly connected with the other end of the output shaft (32), and the rack (34) is meshed with the gear (33);
one end of the rack (34) is fixedly connected to the top of the frame, and the other end of the rack (34) is fixedly connected to the bottom of the frame; the power output part (31) is configured to drive the output shaft (32) to rotate, and then the rack (34) is driven to drive the filter screen (2) to lift.
3. The sewage filtration apparatus of claim 2, wherein: the power output part (31) adopts a motor or a rotary cylinder.
4. The sewage filtration apparatus of claim 2, wherein: the filter box (1) is provided with a box body upper cover (100), the opening is formed in the box body upper cover (100), and the power output part (31) is installed on the box body upper cover (100).
5. The sewage filtration apparatus of claim 4, wherein: the driving mechanism (3) further comprises a supporting rod (35), the supporting rod (35) is an expansion rod, one end of the supporting rod (35) is hinged to the top surface of the box body upper cover (100), and the other end of the supporting rod (35) is hinged to the frame.
6. The sewage filtration apparatus of claim 1, wherein: the inner peripheral wall of the filter box (1) is provided with a sliding groove (101), and the frame is slidably mounted inside the sliding groove (101).
7. The sewage filtration apparatus of claim 1, wherein: a limiting groove (102) is arranged on the inner bottom wall of the filter box (1), and the limiting groove (102) is configured to: the filter screen (2) is located under the working condition of the interior of the filter box (1), and the bottom of the frame is clamped with one another to limit the filter screen (2).
8. The sewage filtration apparatus of claim 1, wherein: the filter screen (2) and the driving mechanism (3) are respectively provided with a plurality of filter screens (2) which are arranged at intervals, and the driving mechanism (3) is connected with the frames of the filter screens (2) in a one-to-one correspondence manner.
9. The sewage filtration apparatus of claim 1, wherein: the water inlet and the water outlet are respectively formed in the wall, located on two sides of the filter screen (2), of the filter box (1), a water inlet pipe (110) is connected to the water inlet, a water outlet pipe (120) is connected to the water outlet, and control valves (130) are arranged on the water inlet pipe (110) and the water outlet pipe (120).
10. The sewage filtration unit of claim 9, wherein: the control valve (130) on the water inlet pipe (110) and the control valve (130) on the water outlet pipe (120) both adopt electromagnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020712524.4U CN212067946U (en) | 2020-04-30 | 2020-04-30 | Sewage filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020712524.4U CN212067946U (en) | 2020-04-30 | 2020-04-30 | Sewage filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212067946U true CN212067946U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020712524.4U Active CN212067946U (en) | 2020-04-30 | 2020-04-30 | Sewage filtering device |
Country Status (1)
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| CN (1) | CN212067946U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403075A (en) * | 2020-12-07 | 2021-02-26 | 中国煤炭地质总局水文地质局 | A river purifier for ecological energy-concerving and environment-protective |
| CN113332776A (en) * | 2021-05-21 | 2021-09-03 | 罗宇 | Sewage filtering treatment device |
-
2020
- 2020-04-30 CN CN202020712524.4U patent/CN212067946U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403075A (en) * | 2020-12-07 | 2021-02-26 | 中国煤炭地质总局水文地质局 | A river purifier for ecological energy-concerving and environment-protective |
| CN112403075B (en) * | 2020-12-07 | 2021-06-25 | 中国煤炭地质总局水文地质局 | A river purifier for ecological energy-concerving and environment-protective |
| CN113332776A (en) * | 2021-05-21 | 2021-09-03 | 罗宇 | Sewage filtering treatment device |
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