CN214209676U - Double-layer internal inflow grid cleaner - Google Patents
Double-layer internal inflow grid cleaner Download PDFInfo
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- CN214209676U CN214209676U CN202022556362.2U CN202022556362U CN214209676U CN 214209676 U CN214209676 U CN 214209676U CN 202022556362 U CN202022556362 U CN 202022556362U CN 214209676 U CN214209676 U CN 214209676U
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- screen plate
- slag
- flushing
- collecting groove
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Abstract
The utility model discloses an influent stream grid de-dirt machine in double-deck, include: a body; the filter screen plate is arranged on the machine body and comprises an inner filter screen plate and an outer filter screen plate, the inner filter screen plate is positioned inside the outer filter screen plate, the aperture of the inner filter screen plate is larger than that of the outer filter screen plate, the inner filter screen plate is driven by a first rotary chain wheel, a first slag collecting groove is arranged inside the inner filter screen plate below the top point of the inner filter screen plate, the outer filter screen plate is driven by a second rotary chain wheel, and a second slag collecting groove is arranged inside the outer filter screen plate below the top point of the outer filter screen plate; wherein, the machine body is provided with a water inlet at the water inlet side for sewage to flow into the inner filter screen plate. The treatment effect that two sets of equipment of traditional fine grid and meticulous grid can only accomplish has been realized to it, and the grid sediment is concentrated, the management of being convenient for, has realized the intensification fortune dimension when saving ground consumption reduction.
Description
Technical Field
The utility model is used for the water treatment field especially relates to an influent stream grid de-dirt machine in double-deck.
Background
The grating machine is a solid-liquid separation device commonly adopted in urban sewage, tap water and industrial wastewater treatment systems, and can continuously remove impurities in sewage/wastewater. Nowadays, with the development of social economy and the improvement of living standard of people, higher and higher requirements are provided for the water environment quality, so that the discharge standard of urban sewage is stricter and more, and the quality improvement and efficiency improvement of a sewage treatment system become a current hotspot. In the town sewage treatment system, the influence of the operation effect of the pretreatment unit on the subsequent treatment unit is more and more not ignored, the deslagging effect of the traditional coarse and fine two-stage grid is difficult to meet the requirement of the subsequent unit production operation of the sewage treatment system, and the addition of the one-stage fine grid behind the fine grid is also accepted by the industry people gradually.
In order to meet the increasingly strict requirements of sewage discharge and to provide higher requirements for the slag content entering a biochemical system, the current common practice is to add a first-stage fine grid after the fine grid, but the disadvantages caused by the fine grid are obvious: firstly, equipment is added, so that equipment investment and operation and maintenance cost are increased; secondly, the floor area of the pretreatment section and the civil engineering cost are increased; thirdly, a grid slag collecting and processing point is added, a deodorization demand point is correspondingly added, and meanwhile, the workload of operation and maintenance personnel is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an influent stream grid de-dirt machine in double-deck, it has realized the treatment effect that two sets of equipment of traditional thin grid and meticulous grid could be accomplished, and the grid sediment is concentrated, the management of being convenient for, has realized the intensification fortune dimension when saving ground consumption reduction.
The utility model provides a technical scheme that its technical problem adopted is:
a double-layer internal inflow grille cleaner comprises:
a body;
the filter screen plate is arranged on the machine body and comprises an inner filter screen plate and an outer filter screen plate, the inner filter screen plate is positioned inside the outer filter screen plate, the aperture of the inner filter screen plate is larger than that of the outer filter screen plate, the aperture ratio of the inner filter screen plate is larger than that of the outer filter screen plate, the inner filter screen plate is driven by a first rotary chain wheel, a first slag collecting groove is arranged below the top point of the inner filter screen plate inside the inner filter screen plate, the outer filter screen plate is driven by a second rotary chain wheel, and a second slag collecting groove is arranged below the top point of the outer filter screen plate inside the outer filter screen plate;
wherein, the machine body is provided with a water inlet at the water inlet side for sewage to flow into the inner filter screen plate.
In some embodiments, the top of the inner filter screen plate hangs down after passing around a first rotating sprocket, and the first slag trap is located below the first rotating sprocket; the top of the outer filter screen plate hangs down after bypassing the second rotary chain wheel, and the second slag collecting groove is positioned below the second rotary chain wheel.
In some embodiments, the first slag collecting groove and the second slag collecting groove are communicated through a slag falling pipe and jointly flow into the screw conveyor.
In some embodiments, the power system further comprises a first driving sprocket and a second driving sprocket, wherein the first driving sprocket and the first revolving sprocket are driven by a chain, and the second driving sprocket and the second revolving sprocket are driven by a chain.
In some embodiments, the washing system further comprises a first washing system, wherein the first washing system is provided with a first washing nozzle at the upper part of the first rotary chain wheel and used for washing the inner filter screen plate from outside to inside; and the first flushing system is provided with a second flushing nozzle at the upper part of the second rotary chain wheel and used for flushing the outer filter screen plate from outside to inside.
In some embodiments, the first flushing system has a water supply pressure of 0.6-0.8 MPa.
In some embodiments, the slag collecting device further comprises a second flushing system, wherein the second flushing system is provided with a third flushing nozzle at the head part of the first slag collecting groove and used for flushing the grid slag collected in the first slag collecting groove into the slag falling pipe; and the second flushing system is provided with a fourth flushing nozzle at the head of the second slag collecting groove and used for flushing the grid slag collected in the second slag collecting groove into the slag falling pipe.
In some embodiments, the water supply pressure of the second flushing system is 0.2-0.3 MPa.
In some embodiments, the inner filter screen plate has a pore size of 4-6 mm, and the outer filter screen plate has a pore size of 1-3 mm.
One of the above technical solutions has at least one of the following advantages or beneficial effects: two layers of stepped filter screen plates are adopted, wherein the aperture of the inner filter screen plate is larger than that of the outer filter screen plate, sewage flows in an inner flow mode and sequentially passes through the inner filter screen plate and the outer filter screen plate, and the sewage flowing through the outer filter screen plate is converged into a channel behind a grid of a sewage removal machine, so that the filtration of grid slag in the sewage is completed. Meanwhile, the inner and outer filter screen plates carry the slag to move upwards under the driving of the respective rotary chain wheels, and when the slag arrives at the top, the grid slag falls into respective slag collecting grooves through the steering action of the filter screen plates and the gravity action of the grid slag. The technical scheme of the utility model realize the treatment effect that two sets of equipment of traditional thin grid and meticulous grid could be accomplished, and the grid sediment is concentrated, the management of being convenient for, has realized intensive fortune dimension when saving ground consumption reduction.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a top view of the structure of an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken at I-I of FIG. 1;
FIG. 3 is a cross-sectional view taken at II-II of FIG. 1;
FIG. 4 is a cross-sectional view taken at III-III of FIG. 1.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1-4, an embodiment of the present invention provides a double-layer internal inflow grille decontamination machine, which comprises a machine body and a filter screen plate, wherein the machine body comprises a frame 1 and a shield 2. The filter screen plate is arranged in the machine body and comprises an inner filter screen plate 3 and an outer filter screen plate 4, the inner filter screen plate 3 is positioned inside the outer filter screen plate 4, the aperture of the inner filter screen plate 3 is larger than that of the outer filter screen plate 4, for example, in some embodiments, the aperture of the inner filter screen plate 3 is 4-6 mm, and the aperture of the outer filter screen plate 4 is 1-3 mm. The aperture ratio of the inner filter screen plate 3 is larger than that of the outer filter screen plate 4, for example, in some embodiments, the aperture ratio of the inner filter screen plate should be 20-25% larger than that of the outer filter screen plate. The internal filter screen plate 3 is in an annular belt shape, the internal filter screen plate 3 is driven by a first rotary chain wheel 10, a first slag collecting groove 5 is arranged below the top point of the internal filter screen plate 3 in the internal filter screen plate 3, the internal filter screen plate continuously rotates in the sewage treatment process, and the grid slag is separated and enters the first slag collecting groove 5 while the sewage is filtered. Similar to the inner filter screen plate 3, the outer filter screen plate 4 is driven by a second rotary chain wheel 11, a second slag collecting groove 6 is arranged below the top point of the outer filter screen plate 4 in the outer filter screen plate 4, the second slag collecting groove 6 continuously rotates in the sewage treatment process, and the grid slag is separated and enters the second slag collecting groove 6 while the sewage is filtered.
Wherein, the machine body is provided with a water inlet at the water inlet side for sewage to flow into the inner filter screen plate 3, a guide plate 8 is arranged at the water inlet, the guide plate 8 is butted with the channel in front of the grid, and the sewage entering the channel in front of the grid is guided into the inner filter screen plate 3; the sewage flows through the inner filter screen plate 3 and the outer filter screen plate 4 in sequence to complete the separation of slag and water and then flows into a channel behind the gate. The lower parts of the machine body, the inner filter screen plate 3 and the outer filter screen plate 4 are immersed in the channel, and the upper parts of the machine body, the inner filter screen plate 3 and the outer filter screen plate 4 are exposed out of the water surface and are sealed by the shield 2, so that the environment is prevented from being polluted by odor.
With reference to fig. 1-4, the embodiment of the present invention employs two-layer stepped filter screen, wherein the aperture of the inner filter screen 3 is larger than the aperture of the outer filter screen 4, the sewage flows through the inner and outer filter screens in the form of inner inflow, and the sewage flowing through the outer filter screen 4 converges into the channel behind the grid, thereby completing the filtration of the grid slag in the sewage. Meanwhile, the inner filter screen plate 3 and the outer filter screen plate 4 are driven by respective rotary chain wheels to carry slag to move upwards, and when the slag reaches the top, the grid slag falls into respective slag collecting grooves through the steering action of the filter screen plates and the gravity action of the grid slag. The technical scheme of the utility model realize the treatment effect that two sets of equipment of traditional thin grid and meticulous grid could be accomplished, and the grid sediment is concentrated, the management of being convenient for, has realized intensive fortune dimension when saving ground consumption reduction.
Referring to fig. 3, the top of the inner filter screen plate 3 hangs down after bypassing the first rotary chain wheel 10, the first slag collecting tank 5 is positioned below the first rotary chain wheel 10, and the inner filter screen plate 3 rotates under the driving of the first rotary chain wheel 10; the top of the outer filter screen plate 4 hangs down after bypassing the second rotary chain wheel 11, the second slag collecting groove 6 is positioned below the second rotary chain wheel 11, and the outer filter screen plate 4 rotates under the driving of the second rotary chain wheel 11. The inner filter screen plate 3 and the outer filter screen plate 4 are driven by respective rotary chain wheels to carry slag to move upwards, and when the slag reaches the top, the grid slag falls into respective slag collecting grooves through the steering action of the filter screen plates and the gravity action of the grid slag. In this embodiment, the first rotating sprocket 10 and the second rotating sprocket 11 are used as both the driving component and the supporting component of the filter screen plate, so that the structure can be simplified while the rotating function is realized.
Referring to fig. 2 and 3, the first slag collecting groove 5 and the second slag collecting groove 6 both extend to the outside of the machine body and are used for discharging the collected grid slag. Further, the first slag collecting groove 5 and the second slag collecting groove 6 are communicated through a slag falling pipe 7 and are converged into a screw conveyor 16 together, and grid slag in the first slag collecting groove 5 and the second slag collecting groove 6 is further uniformly discharged through the screw conveyor 16. The screw conveyor 16 for transporting the grid slag can also be arranged at the ultrahigh position of the channel behind the grid, so that the grid slag is convenient to pass and the stability of the equipment is improved.
With reference to fig. 1 and 2, the double-layer internal flow grille decontamination machine further includes a power system 9, the power system 9 uses a motor as a power source, an output end of the power system 9 is provided with a first driving sprocket 12 and a second driving sprocket 13, the first driving sprocket 12 and the first revolving sprocket 10 are driven by a chain, and the second driving sprocket 13 and the second revolving sprocket 11 are driven by a chain. The rotary chain wheels of the inner and outer filter screen plates 4 are independent, the power system 9 is arranged between the first rotary chain wheel 10 and the second rotary chain wheel 11, the inner filter screen plate 3 and the outer filter screen plate 4 adopt the same power system 9, and the two layers of screen plates are synchronously driven to rotate by chains.
In some embodiments, referring to fig. 4, the double-layer internal inflow grille remover further comprises a first washing system 15, and the first washing system 15 is used for removing fine garbage such as hair, fiber, paper dust, weed and the like which is adhered to the screen plate and is difficult to fall down by the self-gravity. The first flushing system 15 is provided with a first flushing nozzle at the upper part of the first rotary chain wheel 10, and is used for flushing the inner filter screen plate 3 from outside to inside; the first flushing system 15 is provided with a second flushing nozzle at the upper part of the second revolving sprocket 11 for flushing the external filter screen plate 4 from outside to inside. The water supply pressure of the first flushing system 15 may be set to 0.6 to 0.8Mpa as required.
In some embodiments, referring to fig. 3, the double-layer internal inflow grid sewage remover further comprises a second flushing system 14, wherein the second flushing system 14 is provided with a third flushing nozzle at the head part of the first slag collecting groove 5 and is used for flushing the grid slag collected in the first slag collecting groove 5 into the slag falling pipe 7; the second flushing system 14 is provided with a fourth flushing nozzle at the head of the second slag collecting groove 6, and is used for flushing the grid slag collected in the second slag collecting groove 6 into the slag falling pipe 7. According to the requirement, the water supply pressure of the second flushing system 14 is 0.2-0.3 Mpa.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (9)
1. The utility model provides an influent stream grid de-dirt machine in bilayer which characterized in that includes:
a body;
the filter screen plate is arranged on the machine body and comprises an inner filter screen plate and an outer filter screen plate, the inner filter screen plate is positioned inside the outer filter screen plate, the aperture of the inner filter screen plate is larger than that of the outer filter screen plate, the aperture ratio of the inner filter screen plate is larger than that of the outer filter screen plate, the inner filter screen plate is driven by a first rotary chain wheel, a first slag collecting groove is arranged below the top point of the inner filter screen plate inside the inner filter screen plate, the outer filter screen plate is driven by a second rotary chain wheel, and a second slag collecting groove is arranged below the top point of the outer filter screen plate inside the outer filter screen plate;
wherein, the machine body is provided with a water inlet at the water inlet side for sewage to flow into the inner filter screen plate.
2. The double-deck internal inflow grate cleaner of claim 1, wherein the top of the internal filter screen plate hangs down after passing around a first rotating sprocket, the first slag trap being located below the first rotating sprocket; the top of the outer filter screen plate hangs down after bypassing the second rotary chain wheel, and the second slag collecting groove is positioned below the second rotary chain wheel.
3. The double-layer internal flow grate sewage remover according to claim 2, wherein the first slag collecting groove and the second slag collecting groove are communicated through a slag falling pipe and jointly flow into the screw conveyor.
4. The double-deck internal-inflow grate sewage remover according to claim 2, further comprising a power system, wherein an output end of the power system is provided with a first driving sprocket and a second driving sprocket, the first driving sprocket and the first revolving sprocket are in chain transmission, and the second driving sprocket and the second revolving sprocket are in chain transmission.
5. The double-layer internal flow grate cleaner according to claim 2, further comprising a first flushing system, wherein the first flushing system is provided with a first flushing nozzle at the upper part of the first rotating chain wheel, and is used for flushing the internal filter screen plate from outside to inside; and the first flushing system is provided with a second flushing nozzle at the upper part of the second rotary chain wheel and used for flushing the outer filter screen plate from outside to inside.
6. The double-layer internal inflow grate sewage removing machine according to claim 5, wherein the water supply pressure of the first flushing system is 0.6-0.8 MPa.
7. The double-layer internal inflow grid sewage remover according to claim 3, further comprising a second flushing system, wherein the second flushing system is provided with a third flushing nozzle at the head of the first slag collecting groove and is used for flushing the grid slag collected in the first slag collecting groove into the slag falling pipe; and the second flushing system is provided with a fourth flushing nozzle at the head of the second slag collecting groove and used for flushing the grid slag collected in the second slag collecting groove into the slag falling pipe.
8. The double-layer internal inflow grate sewage removing machine according to claim 7, wherein the water supply pressure of the second flushing system is 0.2-0.3 Mpa.
9. The double-layer inner inflow grid sewage disposal machine of claim 1, wherein the aperture of the inner filter screen plate is 4-6 mm, and the aperture of the outer filter screen plate is 1-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022556362.2U CN214209676U (en) | 2020-11-06 | 2020-11-06 | Double-layer internal inflow grid cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022556362.2U CN214209676U (en) | 2020-11-06 | 2020-11-06 | Double-layer internal inflow grid cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214209676U true CN214209676U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022556362.2U Active CN214209676U (en) | 2020-11-06 | 2020-11-06 | Double-layer internal inflow grid cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214209676U (en) |
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2020
- 2020-11-06 CN CN202022556362.2U patent/CN214209676U/en active Active
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