CN219449388U - Grit chamber structure - Google Patents

Abstract

The utility model discloses a grit chamber structure, which comprises a grit chamber body, wherein a U-shaped bracket is fixedly arranged in the middle of the upper end surface of the grit chamber body, the inner shape of the grit chamber body is conical, a driving component for collecting sand intensively is arranged on the upper end surface of the U-shaped bracket, a moving component for sealing the grit chamber body is fixedly arranged on both sides of the U-shaped bracket, a supporting plate is fixedly arranged on one side of the grit chamber body, and a sand discharging component is fixedly arranged on the upper end surface of the supporting plate; according to the utility model, the bottom of the shielding plate is attached to the upper end face of the grit chamber body, the side walls of the shielding plate are attached to the side walls of the two sides of the U-shaped support, the pulley at the bottom of the shielding plate is driven to slide in the limit groove by starting the hydraulic pump, and the shielding plate is attached to the top of the grit chamber body, so that good sealing performance is realized, and peculiar smell is prevented from drifting out of the grit chamber.

Description

Grit chamber structure

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a grit chamber structure.

Background

The sewage is inevitably mixed with the muddy sand in the processes of migration, flow and collection. If sand in sewage is not removed by sedimentation in advance, the operation of subsequent treatment equipment is affected, wherein the most important is abrasion of a pump, blockage of a pipe network, and interference or even damage to the biochemical treatment process. In the sewage treatment process, the grit chamber is an essential important component part in various sewage treatment equipment. The sand setting tank is mainly used for removing sand grains with the grain diameter of more than 0.2mm and the density of more than 2.65 t/cubic meter in sewage so as to protect facilities such as pipelines, valves and the like from abrasion and blockage. The sand setting tank is based on gravity separation, inorganic particles with high specific gravity are sunk by controlling the water inflow flow rate of the sand setting tank, and organic suspended particles can be taken away along with water flow.

The patent with publication number CN216457087U discloses a sand basin structure, which is provided with a sand basin arranged at the middle part of a long-distance box culvert or at the outlet of the box culvert, wherein a partition wall for separating a plurality of continuous water flow channels from the sand basin is arranged in the sand basin, the partition wall is fixed at the bottom of the sand basin in the direction perpendicular to the water flow, one side of each partition wall is connected with the side wall of the sand basin, and a certain interval is reserved between the other side of each partition wall and the side wall of the sand basin.

However, the above-mentioned structure has disadvantages in that it is impossible to seal the odor generated in the sewage, and therefore, the present utility model provides a grit chamber structure which solves the above-mentioned problems by limiting the structure of a shielding plate, a hydraulic pump, etc.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a grit chamber structure, which solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a grit chamber structure, includes the grit chamber body, grit chamber body up end intermediate position fixed mounting has the U type support, the inside shape of grit chamber body is the toper, the drive assembly who is used for collecting the grit in a concentrated way is installed to the U type support up end, the equal fixed mounting in U type support both sides has the removal subassembly that is used for carrying out sealedly with the grit chamber body, grit chamber body one side fixed mounting has the backup pad, backup pad up end fixed mounting has sand discharge subassembly.

The movable assembly comprises shielding plates arranged on two sides of a U-shaped support, a plurality of porous adsorption plates used for adsorbing sundries such as scum on the water surface are fixedly arranged on the lower end faces of the shielding plates, hydraulic pumps are symmetrically and fixedly arranged on two sides of the U-shaped support, the other ends of the hydraulic pumps are fixedly arranged on the inner walls of the corresponding shielding plates, a plurality of rotating rods are rotatably connected to one side of the inner walls of the first sliding grooves through bearings, the other ends of the rotating rods are rotatably connected to the other side wall of the first sliding grooves through bearings, pulleys are rotatably connected to the axial positions of the rotating rods through bearings, a plurality of limit grooves are formed in the two sides of the upper end face of the grit chamber body, the pulleys slide in the limit grooves, the bottoms of the shielding plates are attached to the upper end faces of the grit chamber body, and the side walls of the shielding plates are attached to the side walls of the two sides of the U-shaped support.

Preferably, the drive assembly includes the protection casing of fixed mounting at U type support up end, the inside fixed mounting of protection casing has driving motor, driving motor output runs through U type support bottom fixed mounting through the bearing has the (mixing) shaft, (mixing) shaft top fixed mounting has a plurality of to go up the puddler, (mixing) shaft bottom fixed mounting has a plurality of down the puddler, the diameter of going up the puddler is greater than the diameter of down the puddler.

Preferably, the sand discharging assembly comprises a sand sucking pump fixedly arranged on the upper end face of the supporting plate, a sand inlet of the sand sucking pump is fixedly communicated with a material sucking pipe, an dredging valve is fixedly communicated with the outer surface of the material sucking pipe, a sand collecting tank is arranged at the bottom of the sand setting tank body, a through hole is formed in one side of the sand collecting tank, the other end of the material sucking pipe penetrates through the through hole and is communicated in the sand collecting tank in a sealing mode, and a discharge pipe is fixedly communicated with a sand outlet of the sand sucking pump.

Preferably, the two sides of the inner wall of the grit chamber body are fixedly provided with second sliding grooves on the left side of the U-shaped support, the two inner walls of the second sliding grooves are both in sliding connection with the same L-shaped baffle, and a plurality of filtering holes are uniformly distributed in the L-shaped baffle.

Preferably, an ultrasonic emitter for ultrasonic grinding treatment of the sand block blocking the pipeline is arranged in the suction pipe.

Preferably, the bottom of the shielding plate is fixedly provided with a lighting lamp which is convenient for a worker to check the sand setting condition in the sand setting tank, the porous adsorption plate at the bottom of the shielding plate adopts one or more of activated carbon, activated alumina and lignite adsorbents as adsorbents, and the porous adsorption plate is of a honeycomb regular hexagon structure.

Preferably, a connecting plate is fixedly arranged on the right side of the U-shaped bracket in the grit chamber body.

Preferably, the left side of the top of the sand setting tank body is communicated with a water inlet pipe, the right side of the top of the sand setting tank body is communicated with a water outlet pipe, and a valve is fixedly arranged on the outer surface of the water outlet pipe.

Advantageous effects

The utility model provides a grit chamber structure. Compared with the prior art, the method has the following beneficial effects:

(1) According to the utility model, the bottom of the shielding plate is attached to the upper end face of the grit chamber body, the side walls of the shielding plate are attached to the side walls of the two sides of the U-shaped support, the pulley at the bottom of the shielding plate is driven to slide in the limit groove by starting the hydraulic pump, and the shielding plate is attached to the top of the grit chamber body, so that good tightness is realized, and peculiar smell is prevented from drifting out of the grit chamber.

(2) According to the utility model, the driving motor is arranged to drive the stirring shaft to rotate, the stirring shaft drives the upper stirring rod and the lower stirring rod to rotate, and the diameter of the upper stirring rod is larger than that of the lower stirring rod, so that vortex is assisted to be generated between the upper stirring rod 104 and the lower stirring rod 105, sewage is filtered through the plurality of filtering holes in the first baffle, finally sand grains fall into the sand collecting pond under the centrifugal effect to finish collection, and after the collection is finished, the sand grains are sucked out by starting the sand sucking pump, so that blockage is reduced.

Drawings

FIG. 1 is a perspective view of the external structure of the present utility model;

FIG. 2 is a schematic diagram of a mobile assembly of the present utility model;

FIG. 3 is a schematic diagram of a drive assembly of the present utility model;

fig. 4 is a schematic view of a sand discharge assembly of the present utility model.

In the figure 1, a sand setting tank body; 2. a U-shaped bracket; 3. a support plate; 4. a second chute; 5. an L-shaped baffle; 6. a filter hole; 7. a lighting lamp; 8. a connecting plate; 9. a water inlet pipe; 10. a water outlet pipe; 11. a valve; 100. a drive assembly; 101. a protective cover; 102. a driving motor; 103. a stirring shaft; 104. a stirring rod is arranged on the upper part; 105. a lower stirring rod; 200. a moving assembly; 201. a shielding plate; 202. a hydraulic pump; 203. a first chute; 204. a rotating lever; 205. a pulley; 206. a limit groove; 300. a sand discharge assembly; 301. a sand suction pump; 302. a suction pipe; 303. a dredging valve; 304. a sand collecting pond; 305. a through hole; 306. and a discharging pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-4, a grit chamber structure includes a grit chamber body 1, a U-shaped bracket 2 is fixedly installed in the middle of the upper end surface of the grit chamber body 1, the inner shape of the grit chamber body 1 is conical, a driving component 100 for collecting sand intensively is installed on the upper end surface of the U-shaped bracket 2, a moving component 200 for sealing the grit chamber body 1 is fixedly installed on both sides of the U-shaped bracket 2, a supporting plate 3 is fixedly installed on one side of the grit chamber body 1, and a sand discharging component 300 is fixedly installed on the upper end surface of the supporting plate 3.

The movable assembly 200 comprises shielding plates 201 arranged on two sides of a U-shaped support 2, porous adsorption plates used for adsorbing sundries such as scum on the water surface are fixedly arranged on the lower end faces of the two shielding plates 201, hydraulic pumps 202 are symmetrically and fixedly arranged on two sides of the U-shaped support 2, the other ends of the four hydraulic pumps 202 are fixedly arranged on the inner walls of the corresponding shielding plates 201, first sliding grooves 203 are formed in two symmetrical sides of the end faces of the lower ends of the two shielding plates 201, one side of the inner walls of the first sliding grooves 203 is rotatably connected with a plurality of rotating rods 204 through bearings, the other ends of the plurality of rotating rods 204 are rotatably connected to the other side wall of the first sliding grooves 203 through bearings, the axial center position of each rotating rod 204 is rotatably connected with a pulley 205 through a bearing, a plurality of limiting grooves 206 are formed in two sides of the upper end faces of a grit chamber body 1, the pulleys 205 slide in the limiting grooves 206, the bottoms of the shielding plates 201 are attached to the upper end faces of the grit chamber body 1, the side walls of the shielding plates 201 are attached to the side walls of the U-shaped support 2, the odor drifting out of the grit chamber can be effectively avoided through the arranged movable assembly 200, when the odor is required to be prevented from being started up from the grit chamber 202, the drifting out of the side of the grit chamber 205, the sliding plates 201 are driven by the sliding plates 201, and the sliding plates 201 are driven by the pulleys 201.

Embodiment two:

referring to fig. 1-4, the present embodiment provides a technical solution based on the first embodiment: the driving assembly 100 comprises a protective cover 101 fixedly mounted on the upper end face of the U-shaped support 2, a driving motor 102 is fixedly mounted inside the protective cover 101, the output end of the driving motor 102 penetrates through a stirring shaft 103 fixedly mounted on the bottom of the U-shaped support 2 through a bearing, a plurality of upper stirring rods 104 are fixedly mounted on the top of the stirring shaft 103, a plurality of lower stirring rods 105 are fixedly mounted on the bottom of the stirring shaft 103, the diameter of each upper stirring rod 104 is larger than that of each lower stirring rod 105, sand grains in sewage can be effectively collected through the driving assembly 100, when the sand grains in the sewage are required to be collected, the driving motor 102 in the protective cover 101 is started to drive the stirring shaft 103 to rotate, the stirring shaft 103 drives the upper stirring rods 104 and the lower stirring rods 105 to rotate, and the diameter of each upper stirring rod 104 is larger than that of each lower stirring rod 105, so that auxiliary generation is carried out between the upper stirring rods 104 and each lower stirring rods 105, and sand grains can be collected in a vortex pool 304 in the sand discharging assembly 300 through vortex under the centrifugal effect of the sand grains.

The sand discharge assembly 300 comprises a sand suction pump 301 fixedly arranged on the upper end face of a supporting plate 3, a sand inlet of the sand suction pump 301 is fixedly communicated with a sand suction pipe 302, a dredging valve 303 is fixedly communicated with the outer surface of the sand suction pipe 302, a sand collecting tank 304 is arranged at the bottom of the grit chamber body 1, a through hole 305 is arranged on one side of the sand collecting tank 304, the other end of the sand suction pipe 302 penetrates through the through hole 305 and is communicated with the sand collecting tank 304 in a sealing mode, a sand outlet of the sand suction pump 301 is fixedly communicated with a discharge pipe 306, collected sand can be effectively discharged through the sand discharge assembly 300, and when the collected sand needs to be discharged, the sand is conveyed into the sand suction pipe 302 by starting the sand suction pump 301, and the sand is discharged through the discharge pipe 306 by opening the dredging valve 303 on the sand suction pipe 302.

The two sides of the inner wall of the sand basin body 1 are fixedly provided with second sliding grooves 4 on the left side of the U-shaped support 2, the inner walls of the two second sliding grooves 4 are all in sliding connection with one L-shaped baffle 5,L type baffle 5, the same L-shaped baffle 5,L type baffle 5 can be taken out from the second sliding grooves 4 to clean the same, a plurality of filter holes 6 are uniformly distributed in the L-shaped baffle 5, the filter holes 6 can effectively block larger floaters to prevent the sand basin from being blocked, an ultrasonic transmitter for carrying out ultrasonic crushing treatment on sand blocks blocking a pipeline is arranged in the suction pipe 302, an illuminating lamp 7 for facilitating staff to check sand settling conditions in the sand basin is fixedly arranged at the bottom of the shielding plate 201, one or more of active carbon, active alumina and lignite adsorbents are adopted as adsorbents by the porous adsorption plate at the bottom of the shielding plate 201, the porous adsorption plate is of a honeycomb-shaped regular hexagon structure, the inside the sand basin body 1 is fixedly provided with a connecting plate 8 on the right side of the U-shaped support 2, the left side of the filter holes 6 are sand settling tanks, the right side of the connecting plate 8 is a water cleaning tank, a water inlet pipe 9 is communicated on the left side of the top of the sand basin body 1, a valve 10 is communicated with the outer surface 10 of the sand basin body 1, and a valve 10 is fixedly arranged on the outer surface 11.

And all that is not described in detail in this specification is well known to those skilled in the art.

During operation, firstly, carry grit chamber body 1 with sewage through inlet tube 9, because of the sewage produces the peculiar smell, drive shielding plate 201 through starting hydraulic pump 202 and remove, shielding plate 201 drives pulley 205 in its bottom at spacing groove 206 internal slip, thereby drive shielding plate 201 and seal grit chamber body 1, avoid the peculiar smell to scatter out the polluted environment, can effectively adsorb the dross of surface of water, debris etc. through the porous adsorption plate of shielding plate 201 bottom, and the structural stability of cellular hexagonal structural design makes the structural stability of porous adsorption plate 111 strong, prevent that the grit chamber from taking place to block up through L type baffle 5, then drive stirring axle 103 through the driving motor 102 that starts in the protection casing 101 and rotate, thereby stirring axle 103 drives upper stirring rod 104 and lower stirring rod 105 rotation, because the diameter of upper stirring rod 104 is greater than the diameter of lower stirring rod 105, thereby supplementary production vortex is gone into between upper stirring rod 104 and the lower stirring rod 105, under the effect of grit centrifuging, through the porous adsorption plate in vortex flow subassembly 300, thereby accomplish the collection to the grit, drive shielding plate 201 and remove the structural stability of surface of water, and make the structural stability of porous adsorption plate 111 strong, stop up the drift through starting hydraulic pump 202, stop up the sand collecting tube is opened through the driving pulley 201 and is passed through its bottom of the opening the expansion valve 302 when the dredging valve 302, thereby the inside the sand collecting tube is opened up through the dredging valve 302, and the ultrasonic wave is opened up, the drain tube is opened up through the dredging valve 302, and the drain down is opened, thereby the sand collector tube is opened, and the condition is opened, and the sand collector is opened, and the bottom is opened, can be passed through the sand collector, and is opened.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a grit chamber structure, includes grit chamber body (1), its characterized in that: the sand setting device comprises a sand setting tank body (1), wherein a U-shaped support (2) is fixedly arranged in the middle of the upper end face of the sand setting tank body (1), the inner shape of the sand setting tank body (1) is conical, a driving assembly (100) for collecting sand in a centralized manner is arranged on the upper end face of the U-shaped support (2), a moving assembly (200) for sealing the sand setting tank body (1) is fixedly arranged on two sides of the U-shaped support (2), a supporting plate (3) is fixedly arranged on one side of the sand setting tank body (1), and a sand discharging assembly (300) is fixedly arranged on the upper end face of the supporting plate (3);

the utility model provides a sand sedimentation tank, including moving subassembly (200), including installing shielding board (201) in U type support (2) both sides, two terminal surface fixed mounting has the porous adsorption plate that is used for carrying out absorbing to the dross debris of surface of water under shielding board (201), U type support (2) both sides symmetry fixed mounting has hydraulic pump (202), four hydraulic pump (202) other end all fixed mounting is in corresponding shielding board (201) inner wall, two first spout (203) have all been seted up to shielding board (201) lower extreme terminal surface symmetry both sides, first spout (203) inner wall one side all is connected with a plurality of dwang (204) through the bearing rotation, a plurality of dwang (204) other end all is connected with another lateral wall at first spout (203) through the bearing rotation, dwang (204) axle center position is connected with pulley (205) through the bearing rotation, a plurality of spacing groove (206) have all been seted up to sand sedimentation tank body (1) up on terminal surface symmetry both sides, pulley (205) slide in spacing groove (206), shielding board (201) bottom and shielding board (201) terminal surface body) are laminated mutually with shielding board (201) lateral wall (2).

2. A grit chamber structure as in claim 1, wherein: the driving assembly (100) comprises a protective cover (101) fixedly mounted on the upper end face of the U-shaped support (2), a driving motor (102) is fixedly mounted inside the protective cover (101), a stirring shaft (103) is fixedly mounted at the output end of the driving motor (102) through the bottom of the U-shaped support (2) through a bearing, a plurality of upper stirring rods (104) are fixedly mounted at the top of the stirring shaft (103), a plurality of lower stirring rods (105) are fixedly mounted at the bottom of the stirring shaft (103), and the diameter of the upper stirring rods (104) is larger than that of the lower stirring rods (105).

3. A grit chamber structure as in claim 1, wherein: the sand discharge assembly (300) comprises a sand suction pump (301) fixedly installed on the upper end face of the supporting plate (3), a sand inlet of the sand suction pump (301) is fixedly communicated with a sand suction pipe (302), an dredging valve (303) is fixedly communicated with the outer surface of the sand suction pipe (302), a sand collecting tank (304) is arranged at the bottom of the sand setting tank body (1), a through hole (305) is arranged on one side of the sand collecting tank (304), the other end of the sand suction pipe (302) penetrates through the through hole (305) to be communicated in the sand collecting tank (304) in a sealing mode, and a discharging pipe (306) is fixedly communicated with a sand outlet of the sand suction pump (301).

4. A grit chamber structure as in claim 1, wherein: the sand setting tank is characterized in that two sides of the inner wall of the sand setting tank body (1) are fixedly provided with second sliding grooves (4) on the left side of the U-shaped support (2), the two inner walls of the second sliding grooves (4) are connected with the same L-shaped baffle (5) in a sliding mode, and a plurality of filtering holes (6) are uniformly distributed in the L-shaped baffle (5).

5. A grit chamber structure as in claim 3, wherein: an ultrasonic transmitter for ultrasonic grinding treatment of sand blocks blocking the pipeline is arranged in the suction pipe (302).

6. A grit chamber structure as in claim 1, wherein: the bottom of the shielding plate (201) is fixedly provided with a lighting lamp (7) which is convenient for a worker to check sand setting conditions in the sand setting tank, the porous adsorption plate at the bottom of the shielding plate (201) adopts one or more of activated carbon, activated alumina and lignite adsorbents as adsorbents, and the porous adsorption plate is of a honeycomb regular hexagon structure.

7. A grit chamber structure as in claim 1, wherein: the right side of the U-shaped bracket (2) inside the sand setting tank body (1) is fixedly provided with a connecting plate (8).

8. A grit chamber structure as in claim 1, wherein: the sand setting tank is characterized in that a water inlet pipe (9) is communicated with the left side of the top of the sand setting tank body (1), a water outlet pipe (10) is communicated with the right side of the top of the sand setting tank body (1), and a valve (11) is fixedly arranged on the outer surface of the water outlet pipe (10).