CN215053771U - Multi-stage ash and sand intercepting device for flat single-grate gutter inlet - Google Patents

Multi-stage ash and sand intercepting device for flat single-grate gutter inlet Download PDF

Info

Publication number
CN215053771U
CN215053771U CN202120970916.5U CN202120970916U CN215053771U CN 215053771 U CN215053771 U CN 215053771U CN 202120970916 U CN202120970916 U CN 202120970916U CN 215053771 U CN215053771 U CN 215053771U
Authority
CN
China
Prior art keywords
sand
ash
overflow
intercepting
grate
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
Application number
CN202120970916.5U
Other languages
Chinese (zh)
Inventor
周勇
黄华
高伟
张俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Pulin Urban Construction Engineering Co ltd
Original Assignee
Shanghai Pulin Urban Construction Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Pulin Urban Construction Engineering Co ltd filed Critical Shanghai Pulin Urban Construction Engineering Co ltd
Priority to CN202120970916.5U priority Critical patent/CN215053771U/en
Application granted granted Critical
Publication of CN215053771U publication Critical patent/CN215053771U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to a multistage ash and sand intercepting device of a flat single-grate gutter inlet, which is arranged below the flat single-grate gutter inlet, and comprises an ash and sand sedimentation tank and an ash and sand overflow intercepting side plate, wherein the ash and sand overflow intercepting side plate is positioned above the ash and sand sedimentation tank; the sand ash overflow intercepting side plate is provided with an overflow intercepting area, and a plurality of first through holes are distributed in the overflow intercepting area. Compared with the prior art, the utility model has the advantages of the ash and sand interception is efficient, design simple structure, can use repeatedly and use the maintenance cost low, easily install, easily operate, have the popularization nature.

Description

Multi-stage ash and sand intercepting device for flat single-grate gutter inlet
Technical Field
The utility model belongs to the technical field of inlet for stom water ash sand interception technique and specifically relates to a multistage ash sand intercepting device of flat single grate inlet for stom water.
Background
The drainage pipeline is mainly divided into a rainwater pipe and a sewage pipe. The rainwater inlet (also called as water inlet) is used as the most terminal facility at the upstream of the rainwater pipe, and the main function of the rainwater inlet is to communicate a rainwater main pipe to drain accumulated water on the road in time when large-area accumulated water appears on the road or rainfall occurs in the rainy season and the flood season. The gully is the most sourced head end facility in the whole rainwater pipe network system. When road ponding flowed into the inlet for stom water, the road ash sand and other debris that are unavoidable carrying the road surface flowed into the inlet for stom water together, was further getting into the rainwater house steward through the inlet for stom water. The long-term accumulation of rainwater main pipes affects the drainage and transportation performance of the pipes.
The utility model with the publication number of CN112411715A discloses a three-stage filtration environment-friendly gutter inlet, which comprises a rainwater grate, a water inlet pipe, a water outlet pipe and a water inlet pipe, wherein the rainwater grate is positioned at the inlet of the top of the gutter inlet and is flush with the road surface; the grid basket sewage intercepting groove is positioned right below the rainwater grate; the rainwater settling zone is located the inlet for stom water bottom region, and rainwater settling zone central point puts to be the overflow filtering area, and the overflow filtering area is equipped with overflow filter head and overflow riser, and the overflow riser runs through from the inlet for stom water bottom through pre-buried sleeve pipe, and is perpendicular with the inlet for stom water, and the upper end and the overflow filter head of overflow riser are connected, and the overflow riser lower extreme passes through the elbow and is connected with the discharge pipe of inlet for stom water bottom.
The gutter inlet has the following defects:
1. the rainwater inlet mainly filters impurities through the overflow filter head, the filtering area of the overflow filter head is small, the filtering efficiency is low, impurity blockage is easy to generate, and the replacement rate is high;
2. this inlet for stom water needs carry out impurity in the overflow filtering area and salvages to the clearance of impurity, wastes time and energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art that the filtering efficiency is low, the impurities are easily blocked and the replacement rate is high, and providing a multi-stage ash and sand intercepting device for a flat single-grate gutter inlet.
The purpose of the utility model can be realized through the following technical scheme:
a multi-stage ash and sand intercepting device of a flat single-grate gutter inlet is arranged below a flat single-grate gutter inlet and is characterized by comprising an ash and sand sedimentation tank and an ash and sand overflow intercepting side plate, wherein the ash and sand overflow intercepting side plate is positioned above the ash and sand sedimentation tank, the upper end of the ash and sand sedimentation tank is provided with an opening, and the lower end of the ash and sand overflow intercepting side plate surrounds the opening of the ash and sand sedimentation tank and is connected with the ash and sand sedimentation tank; the ash and sand overflow intercepting side plate is provided with an overflow intercepting area, and a plurality of first through holes are distributed in the overflow intercepting area;
the water flow flowing in from the flat single-grate gutter inlet falls into the ash-sand sedimentation tank for physical sedimentation, overflows into the ash-sand overflow interception side plate, passes through an overflow interception area of the ash-sand overflow interception side plate, is subjected to impurity separation, and then flows into the bottom of the flat single-grate gutter inlet.
Furthermore, an overflow grid baffle is arranged at the upper end of the ash and sand sedimentation tank, the overflow grid baffle is arranged around the edge of the side surface of the ash and sand sedimentation tank, and a second through hole is formed in the middle of the overflow grid baffle to form an opening;
in the process of water flow overflow of the sedimentation separation in the ash and sand sedimentation tank, the overflow water flow is blocked by the overflow grid baffle plate to form impact backflow, so that part of water flow returns to the bottom of the ash and sand sedimentation tank again for sedimentation separation.
Furthermore, the multistage sand and ash intercepting device further comprises a sealing flow guide piece, the sealing flow guide piece is connected to the upper end of the sand and ash overflow intercepting side plate, the outermost side edge of the sealing flow guide piece is matched with the well wall of the flat single-grate gully for sealing between the multistage sand and ash intercepting device and the well wall, the sealing flow guide piece is provided with a flow guide plate which inclines downwards, and the flow guide plate points to the opening of the sand and ash sedimentation tank and is used for guiding water flow to directly flow into the sand and ash sedimentation tank.
Further, the sealing guide piece is made of flexible materials.
Furthermore, the hollow interior of the ash and sand sedimentation tank is divided into an ash and sand sedimentation area and an overflow filtering area from bottom to top, an ash and sand sedimentation component is arranged in the ash and sand sedimentation area, and the overflow filtering area is a cavity.
Furthermore, the multistage dust and sand intercepting device also comprises a rainwater port cover, the rainwater port cover is installed in a rainwater port frame of the flat single-grate rainwater port, and the rainwater port cover is provided with a plurality of third through holes.
Furthermore, the outer side of the ash and sand overflow intercepting side plate is connected with a fixing clamping plate, a fixing clamping joint is arranged on a well wall in the flat single-grate rainwater port, the fixing clamping plate is provided with a clamping groove matched with the fixing clamping joint, the clamping groove is located at the lower end of the fixing clamping plate, and the fixing clamping plate is clamped and fixed with the fixing clamping joint of the well wall when the multi-stage ash and sand intercepting device is placed in the flat single-grate rainwater port.
Further, the multistage dust and sand intercepting device further comprises a lifting device, and the lifting device is used for being connected with the dust and sand overflow intercepting side plate.
Furthermore, the sand ash overflow intercepting side plate is also provided with a flat plate flow guiding area which is of a solid plate structure and is used for guiding water flow to flow into the sand ash sedimentation tank.
Furthermore, the sand ash overflow intercepting side plate is of an annular side plate structure, and the cross section of the sand ash overflow intercepting side plate is trapezoidal.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model discloses to the grey sand of rivers and even intercept, carry out impurity precipitation through the grey sand sedimentation tank at first, effectively deposit and separate the aquatic silt, then in the form of overflow, the rivers flow in the grey sand overflow interception curb plate, accomplish the final separation of less type debris and water through first through-hole; the ash-sand sedimentation tank at the bottommost end is designed, and the height difference of falling bottom is utilized, so that the sedimentation of the ash-soil sand and stone with higher specific gravity in water is facilitated; the overflow water flows out through the first through hole of the sand ash overflow intercepting side plate, so that blockage is not easy to cause, and the maintenance cost is low.
(2) An overflow grid baffle is arranged at the upper end of the ash-sand sedimentation tank, so that overflow water flow can be blocked to form impact backflow, and part of water flow returns to the bottom of the ash-sand sedimentation tank again for sedimentation and separation; but also can intercept substances which have lighter specific gravity and are difficult to precipitate, such as fallen leaves, paper scraps and the like.
(3) The whole device is matched with the sealing flow guide piece to form an assembly to integrally realize installation, the device design comprises four large transport energy areas, namely an upstream rainwater flow collecting area, a sundry interception area, an overflow filtering area and a dust and sand settling area, and the sundry and dust and sand interception assumption of the head end part of the whole drainage system is realized effectively through three-stage interception filtering and physical settling characteristics.
Simultaneously on the basis of reaching the idealization interception effect, break through municipal gutter inlet daily maintenance tradition and the most general "clear" operation form of dragging for the years, through the concentrated periodic collection to the interior ash and sand debris of device, realize artifical "clear" new maintenance operation form through hoisting device, effectively promote operating efficiency and maintenance quality.
The utility model not only effectively solves the problems that the traditional gutter inlet has poor effect of intercepting smaller sundries and the inflow water carries the dust and sand on the road surface to directly invade the rainwater pipe network, but also effectively relieves the probability of mud and sand accumulation and easy blockage of the drainage pipeline through the intervention of the head end at the upstream; still have design simple structure, can use repeatedly and use the maintenance cost low, easy installation, easy operation has advantages such as popularization nature.
Drawings
Fig. 1 is a schematic view of a multi-stage ash and sand intercepting apparatus for a flat single-grate gully provided in an embodiment of the present invention;
FIG. 2 is a partial view A-A of FIG. 1;
FIG. 3 is a partial view B-B of FIG. 1;
fig. 4 is a sectional view of a multi-stage ash and sand intercepting apparatus for a flat single-grate gully provided in an embodiment of the present invention;
fig. 5 is a perspective view of a sand ash settling tank and a sand ash overflow intercepting side plate provided in an embodiment of the present invention;
fig. 6 is a front view of a sand ash settling tank and a sand ash overflow intercepting side plate provided in an embodiment of the present invention;
FIG. 7 is a top view of the sand ash settling tank and sand ash overflow interception side plate of FIG. 6;
FIG. 8 is a right side view of the sand ash settling tank and sand ash overflow interception side plate of FIG. 6;
in the figure, the device comprises a sealing flow guide piece 1, a fixing clamping plate 2, a fixing clamping joint 3, a fixing clamping joint 4, a well wall 5, a water outlet pipe 6, a sand ash sedimentation tank 7, a sand ash overflow intercepting side plate 8, a rainwater port frame 9, a rainwater port cover 10, an upstream rainwater collecting area 11, a sundry intercepting area 12, an overflow filtering area 13 and a sand ash sedimentation area.
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 "center", "upper", "lower", "left", "right", "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 product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
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.
Example 1
Referring to fig. 1 to 3, the present embodiment provides a multi-stage ash and sand intercepting apparatus for a flat single-grate gully, which is disposed in a flat single-grate gully, and includes an ash and sand sedimentation tank 6 and an ash and sand overflow intercepting side plate 7, wherein an upper end of the ash and sand sedimentation tank 6 is open, and a lower end of the ash and sand overflow intercepting side plate 7 surrounds an opening of the ash and sand sedimentation tank 6 and is connected to the ash and sand sedimentation tank 6; the upper end of the ash-sand overflow intercepting side plate 7 faces the upper part of the ash-sand sedimentation tank 6, and the ash-sand overflow intercepting side plate 7 is also connected with a well wall 4 in a flat single-grate rainwater port; the ash and sand overflow intercepting side plate 7 is provided with an overflow intercepting area 71, a plurality of first through holes are distributed in the overflow intercepting area 71, and the overflow intercepting area 71 is preferably distributed upwards from the bottom end of the ash and sand overflow intercepting side plate 7;
the water flow flowing in from the flat single-grate gully falls into the ash-sand sedimentation tank 6 for physical sedimentation, overflows into the ash-sand overflow interception side plate 7, passes through the overflow interception area 71 of the ash-sand overflow interception side plate 7, is subjected to impurity separation, and then flows into the bottom of the flat single-grate gully.
It should be noted that the water flowing from the flat single-grate gully cannot pass through the overflow intercepting area 71 during the time when the water falls into the sand-lime sedimentation tank 6, and for this reason, the present embodiment provides two structures to help guide the water to flow into the sand-lime sedimentation tank 6 without passing through the overflow intercepting area 71.
1. Sealing flow guide member 1
Referring to fig. 1 and 4, a sealing flow guide member 1 is connected to the upper end of a sand overflow intercepting side plate 7, the outermost edge of the sealing flow guide member 1 is matched with a well wall 4 of a flat single-grate gully for sealing between a multi-stage sand and ash intercepting device and the well wall 4, and the sealing flow guide member 1 is provided with a flow guide plate which is inclined downwards and points to an opening of a sand and ash sedimentation tank 6 for guiding water flow to directly flow into the sand and ash sedimentation tank 6. The sealing flow guide member 1 is made of flexible material, and rubber is selected in the embodiment; the sealing baffle 1 is preferably of one-piece construction.
2. Flat plate flow guide area 72
Referring to fig. 5, the side plate 7 for intercepting the overflow of the dust and sand is further provided with a flat flow guiding area 72, and the flat flow guiding area 72 has a solid plate structure and is used for guiding the water flow to flow into the dust and sand settling tank 6.
The overflow intercepting region 71 and the plate guiding region 72 are preferably distributed upward from the bottom end of the sand and ash overflow intercepting side plate 7, and in this embodiment, the overflow intercepting region 71 and the plate guiding region 72 respectively occupy the left and right sides of the sand and ash overflow intercepting side plate 7.
In this embodiment, the dust and sand overflow intercepting side plate 7 has an annular side plate structure, and the cross section of the dust and sand overflow intercepting side plate 7 has a shape of a trapezoid or the like with a wide top and a narrow bottom.
As a preferred embodiment, the upper end of the ash and sand sedimentation tank 6 is provided with an overflow grid baffle 61, the overflow grid baffle 61 is arranged around the side edge of the ash and sand sedimentation tank 6, and the middle part of the overflow grid baffle 61 is provided with a second through hole to form an opening;
in the process of overflowing the water flow subjected to sedimentation separation in the ash and sand sedimentation tank 6, the overflowing water flow is blocked by the overflow grid baffle 61 to form impact backflow, so that part of the water flow returns to the bottom of the ash and sand sedimentation tank 6 again for sedimentation separation.
The overflow grid baffle 61 can be of an integrated structure with the ash and sand sedimentation tank 6, an integrated structure with the ash and sand overflow intercepting side plate 7 or an independent structure.
As a preferred embodiment, referring to fig. 4, the hollow interior of the ash-sand settling tank 6 is divided into an ash-sand settling zone 13 and an overflow filtering zone 12 from bottom to top, an ash-sand settling component is arranged in the ash-sand settling zone 13, and the overflow filtering zone 12 is a cavity.
As a preferred embodiment, the multistage dust and sand intercepting apparatus further comprises a gully cover 9, the gully cover 9 is installed in the gully frame 8 of the flat single-grate gully, and the gully cover 9 is provided with a plurality of third through holes.
Referring to fig. 1 and 3, as a preferred embodiment, the outer side of the sand ash overflow intercepting side plate 7 is connected with a fixing clamping plate 2, a well wall 4 in the flat single-grate rainwater port is provided with a fixing clamping joint 3, the fixing clamping plate 2 is provided with a clamping groove matched with the fixing clamping joint 3, the clamping groove is located at the lower end of the fixing clamping plate 2, and the fixing clamping plate 2 is clamped and fixed with the fixing clamping joint 3 of the well wall 4 when the multi-stage sand ash intercepting device is placed in the flat single-grate rainwater port.
The multistage sand and ash intercepting device further comprises a lifting device which is used for connecting the sand and ash overflow intercepting side plate 7.
The multistage ash and sand intercepting device is driven to descend by the lifting device, so that the fixing clamp connector 3 of the flat single-grate gully wall 4 is clamped with the fixing clamp plate 2, and the multistage ash and sand intercepting device is installed; when the multistage dust and sand intercepting device needs to be cleaned, the multistage dust and sand intercepting device is driven to ascend through the lifting device, and the multistage dust and sand intercepting device is obtained, so that cleaning is carried out.
The lifting device can be a rope, a claw and other devices which can drive the multistage sand and ash intercepting device to ascend.
The above preferred embodiments are combined to obtain an optimal embodiment, and the design concept and the operation principle of the optimal embodiment are specifically described below.
1. Design concept
Combine side direction water inlet "bottom of falling" design principle, when the road ponding flows in the well through the inlet for stom water, utilize "bottom of falling" design shaft bottom and outlet pipe 5 (connecting tube) between the bottom of falling height difference, deposit great ash soil sand stone etc. of aquatic proportion, the water gets into the rainwater house steward through the connecting tube through "overflow" mode. In the daily maintenance of the rainwater inlet, the bottom part (namely the bottom falling part) in the water inlet well is dredged and maintained in a regular manual dredging mode. The utility model relates to an theory is exactly with water inlet bottoming principle, utilizes the principle of water overflow, impurity precipitation, designs a section can direct mount at intraoral upper reaches ash sand intercepting device of rainwater. Meanwhile, the design concept replaces the traditional manual dredging operation form by utilizing the device, and becomes breakthrough innovation of 'dumping' operation.
Meanwhile, considering that some substances which are lighter in specific gravity and difficult to precipitate, such as fallen leaves, paper scraps and the like, are mixed in the intercepting substances, an overflow intercepting plate is added in the design of the device so as to achieve the intercepting effect of the lighter substances.
2. Principle of operation
As a section to municipal drainage III type (towards sky type) inlet for stom water (flat single grate inlet for stom water) upper reaches grey sand intercepting device, combine III type inlet for stom water rainwater to collect the flowing water trend, through the structural design to this device, effectively reached the utility model discloses the four steps of "rainwater mass flow, grey sand deposit, debris filter and rainwater overflow discharge" of device refer to fig. 4 and show, and corresponding design includes four device functional areas: 10. an upstream rainwater collecting area: sealing the area above the guide plate, in which the guide member 1 is inclined downwards; 11. a sundry interception area: the ash and sand overflow intercepts the area below the flow guide part 1 in the side plate 7; 12. an overflow filtering area: a cavity region of the sand lime sedimentation tank 6; 4. a lime-sand settling zone: a sand and ash settling area of the sand and ash settling tank 6.
The utility model discloses take tertiary debris interception in inlet for stom water upper reaches to filter and one-level ash sediment principle, at first through the well lid grid part (inlet for stom water lid 9) of III type inlet for stom water (rainwater grate), reach the utility model discloses an one-level filters the interception effect, carries out the interception for the first time to great type debris. Rainwater is through directly falling and flow in the inlet for stom water through the road surface on next step, through the utility model discloses independently designed sealed water conservancy diversion spare effectively reaches the interception water conservancy diversion effect that the maximize flowed in the rainwater, and effectively cooperates the debris interception of "debris entrapment area", forms effectual second grade interception effect. The rainwater in the 'impurity intercepting area' carries the road surface dust and sand to flow into the 'dust and sand settling area', the sediment in water is effectively settled and separated through physical settlement, then the design of an anti-scouring backflow part of the 'overflow filtering area' is adopted, an effective overflow grid baffle part (an overflow grid baffle 61) is arranged to prevent the sediment in the settling area from precipitating the dust and sand due to the fact that the rainwater enters and forms impact backflow, the effect of the sediment area for enabling the road surface to flow into the dust and sand to settle is ensured to be the greatest possible, and a three-level dust and sand settling effect is successfully formed.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. A multi-stage ash and sand intercepting device of a flat single-grate gully is arranged below the flat single-grate gully, and is characterized in that the multi-stage ash and sand intercepting device comprises an ash and sand sedimentation tank (6) and an ash and sand overflow intercepting side plate (7), the ash and sand overflow intercepting side plate (7) is positioned above the ash and sand sedimentation tank (6), the upper end of the ash and sand sedimentation tank (6) is provided with an opening, and the lower end of the ash and sand overflow intercepting side plate (7) surrounds the opening of the ash and sand sedimentation tank (6) and is connected with the ash and sand sedimentation tank (6); the ash and sand overflow intercepting side plate (7) is provided with an overflow intercepting area (71), and a plurality of first through holes are distributed in the overflow intercepting area (71).
2. The multi-stage ash and sand intercepting device of the flat single-grate gully gate of claim 1, wherein the upper end of the ash and sand sedimentation tank (6) is provided with an overflow grid baffle (61), the overflow grid baffle (61) is arranged around the side edge of the ash and sand sedimentation tank (6), and the middle part of the overflow grid baffle (61) is provided with a second through hole to form an opening.
3. The multi-stage ash and sand intercepting device of the flat single-grate gully according to claim 1, further comprising a sealing flow guiding member (1), wherein the sealing flow guiding member (1) is connected to the upper end of the ash and sand overflow intercepting side plate (7), the outermost edge of the sealing flow guiding member (1) is matched with the well wall (4) of the flat single-grate gully, and the sealing flow guiding member (1) is provided with a flow guiding plate which is inclined downwards and points to the opening of the ash and sand sedimentation tank (6).
4. The multi-stage ash and sand intercepting device of a flat single-grate gully according to claim 3, wherein the sealing deflector (1) is made of flexible material.
5. The multi-stage ash and sand intercepting device of the flat single-grate gully gate according to claim 1, wherein the hollow interior of the ash and sand sedimentation tank (6) is divided into an ash and sand sedimentation zone (13) and an overflow filtering zone (12) from bottom to top, an ash and sand sedimentation component is arranged in the ash and sand sedimentation zone (13), and the overflow filtering zone (12) is a cavity.
6. The multi-stage dust and sand intercepting apparatus of a flat single grate gully according to claim 1, wherein the multi-stage dust and sand intercepting apparatus further comprises a rain cover (9), the rain cover (9) is installed in a rain frame (8) of the flat single grate gully, and the rain cover (9) is provided with a plurality of third through holes.
7. The multi-stage ash and sand intercepting device of the flat single-grate gully according to claim 1, wherein the outer side of the ash and sand overflow intercepting side plate (7) is connected with a fixed clamping plate (2), the wall of the well (4) in the flat single-grate gully is provided with a fixed clamping joint (3), the fixed clamping plate (2) is provided with a clamping groove matched with the fixed clamping joint (3), and the clamping groove is positioned at the lower end of the fixed clamping plate (2).
8. The multi-stage ash and sand intercepting apparatus of a flat single grate gully according to claim 7, wherein the multi-stage ash and sand intercepting apparatus further comprises a lifting means for connecting the ash and sand overflow intercepting side plate (7).
9. The multi-stage ash and sand intercepting device of a flat single grate gully according to claim 1, wherein the ash and sand overflow intercepting side plate (7) is further provided with a flat plate flow guiding area (72), and the flat plate flow guiding area (72) is of a solid plate structure.
10. The multi-stage ash and sand intercepting device of the flat single-grate gully gate of claim 1, wherein the ash and sand overflow intercepting side plate (7) is of an annular side plate structure, and the section of the ash and sand overflow intercepting side plate (7) is trapezoidal.
CN202120970916.5U 2021-05-08 2021-05-08 Multi-stage ash and sand intercepting device for flat single-grate gutter inlet Active CN215053771U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120970916.5U CN215053771U (en) 2021-05-08 2021-05-08 Multi-stage ash and sand intercepting device for flat single-grate gutter inlet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120970916.5U CN215053771U (en) 2021-05-08 2021-05-08 Multi-stage ash and sand intercepting device for flat single-grate gutter inlet

Publications (1)

Publication Number Publication Date
CN215053771U true CN215053771U (en) 2021-12-07

Family

ID=79199019

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120970916.5U Active CN215053771U (en) 2021-05-08 2021-05-08 Multi-stage ash and sand intercepting device for flat single-grate gutter inlet

Country Status (1)

Country Link
CN (1) CN215053771U (en)

Similar Documents

Publication Publication Date Title
US7297266B2 (en) Apparatus for separating particulates from a fluid stream
CN109372087B (en) Non-point source sewage control catch basin
CN102392487A (en) Pollutant separation device of rainwater and sewage pipeline
CN215166372U (en) Drainage road structure
CN215053771U (en) Multi-stage ash and sand intercepting device for flat single-grate gutter inlet
CN108285210A (en) Integral type unpowered cyclone precipitates film filtering reactor
CN106522354A (en) Water-intercepting type drainage pumping station provided with oblique plates or oblique tubes for separation
AU2005316557B2 (en) Apparatus for separating particulates from a fluid stream
CN113107074A (en) Multi-stage ash and sand intercepting device for flat single-grate gutter inlet
CN107119781A (en) A kind of automatic sewage collection system of urban flood control and drainage and method
CN210543779U (en) Hydraulic separator
CN212271178U (en) Inspection well cover for urban flood control
CN113250272A (en) Rainwater recycle device for district
KR100625746B1 (en) Suspended Material Auto-draw Chamber
CN114349190A (en) Sponge city rainwater purification structure
CN209585244U (en) A kind of civil engineering road draining device
CN112900592A (en) Municipal garden drainage system
CN207121973U (en) A kind of automatic sewage collection system of urban flood control and drainage
CN214784596U (en) Catch basin structure with floater
CN213390471U (en) Urban drainage channel
CN217974672U (en) Novel urban rainwater and sewage pipeline drainage system
CN216142148U (en) Pollutant-intercepting hanging basket capable of being used for initial rainwater discarding
CN218374316U (en) Municipal drainage filtration
CN217460843U (en) Intercepting well capable of reducing sludge blockage
CN220813921U (en) Water collecting and draining system for deep foundation pit

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant