CN219376160U - Scum discharge structure based on aeration grit chamber - Google Patents

Abstract

The utility model discloses a scum discharge structure based on an aeration sand basin, which comprises a sand discharge channel, an aeration zone, a scum zone, an aeration pipe, a sand suction bridge, a tail ditch and a front-end scum pushing mechanism, wherein the sand suction bridge is also provided with a tail-end scum scraping mechanism, a scum discharge gate is arranged at the position where the tail ditch is connected with the scum zone, and the tail ditch is externally connected with a squeezer through a pipeline. The application provides a dross emission structure based on aeration grit chamber can clear up the dross in the sediment device rear dead angle region of scraping that sets up on the current sand suction bridge, avoids the dross to pile up in the dead angle region, simultaneously can also more effectual discharge and handle the dross, fine avoiding the dross to pile up in dross district and tail ditch, effectually avoided the dross to take place in the circumstances of album oil pool jam, better promotion enterprise and trade's progress.

Description

Scum discharge structure based on aeration grit chamber

Technical Field

The application relates to the field of sewage treatment, in particular to a scum discharge structure based on an aeration grit chamber.

Background

The aeration grit chamber is a common sewage treatment process unit, has better sand removal, deslagging and oil removal effects in the sewage treatment process, but has a plurality of sewage treatment plants, because slag in the upstream sewage is more and more complex in components, the slag in the sewage is intercepted by two stages of coarse grids and fine grids, and more slag still enters the aeration grit chamber through grid gaps or holes and floats in a scum area of the aeration grit chamber, so that the quantity and viscosity of scum are greatly improved.

Because the quantity of dross is big, the viscosity is high, installs the sediment device of scraping at the sand sucking bridge front end, hardly with the dross clean up in dross district, lead to very easily to scrape the circumstances that the dross piles up in the dead angle area in sediment device rear, in order to avoid piling up the fermentation of dross and stinking, then need the manual work to carry out the manual work to the dead angle area in dross district to clear up, very big improvement staff's working strength.

In addition, because of the high viscosity of the dross, it has poor flowability and tends to accumulate in the tail pit or the oil collection tank. If the oil is not cleaned for a long time, the tail ditch or the oil collecting pool is blocked; when the tail ditch or the oil collecting tank is fully piled up with scum, the normal scum scraping process of the scum area is hindered, the scum discharging difficulty is further improved, and the normal operation of the aeration grit chamber is affected.

Disclosure of Invention

To the not enough of prior art, this application provides a dross emission structure based on aeration grit chamber, can clear up the dross in the sediment device rear dead angle area of scraping that sets up on the present sand suction bridge, avoids the dross to pile up in the dead angle area, simultaneously can also more effectual discharge and handle the dross, fine avoiding the dross to pile up in dross district and tail ditch, effectually avoided the dross to take place at the circumstances of oil collecting tank jam, better promotion enterprise and trade's progress.

The utility model provides a structure is discharged to dross based on aeration grit chamber, includes the sediment canal, and the symmetry sets up two aeration areas in sediment canal left and right sides, sets up two dross areas in two aeration area outsides respectively, sets up in the aeration area and press close to the aeration pipe of sediment canal, spans the sand bridge that inhales that sediment canal, aeration area and dross area set up, the while is linked together with two dross areas to and the front end that sets up on inhaling the sand bridge pushes away sediment mechanism, inhale still be provided with the tail end on the sand bridge and scrape sediment mechanism, the position department that the tail ditch meets with the dross area is provided with the dross and discharges the floodgate, the tail ditch still has a squeezer through the external pipe connection.

Preferably, the tail groove is positioned at the front end of the aeration zone, and the bottom height of the tail groove is lower than the liquid level of the liquid in the aeration zone.

Further, the tail end slag scraping mechanism and the front end slag pushing mechanism are both arranged below the sand sucking bridge, the tail end slag scraping mechanism is arranged towards the rear of the sand sucking bridge, and the front end slag pushing mechanism is arranged towards the front of the sand sucking bridge.

Still further, the dross discharge gate comprises the framework, a lifting flashboard arranged in the framework and capable of moving up and down along the framework, a lifting motor arranged at the center of the top end of the framework, and a lifting rod penetrating through the lifting motor and the framework and fixed at the center of the top end of the lifting flashboard.

Preferably, the bottom end of the frame is lower than the bottom surface of the tail groove.

Preferably, a controller is arranged on the sand sucking bridge, and the controller is electrically connected with the lifting motor and/or the squeezing machine at the same time.

Preferably, the press is a stand-alone press.

As another preference, the press is a press arranged at a position close to the aeration grit chamber or a press matched with a fine grid in a sewage treatment system.

Compared with the prior art, the embodiment of the application has the following beneficial effects:

(1) According to the utility model, the oil collecting tank is effectively replaced by the squeezer, so that the scum can be effectively collected, squeezed and dehydrated, the problem that the scum blocks the oil collecting tank in the prior art is avoided, the scum can be effectively prevented from being recycled to the sewage treatment system for cyclic accumulation, and the efficiency of treating new scum by the aeration grit chamber is better improved.

(2) The height of the bottom of the tail ditch is lower than the height of the liquid level, so that the liquid in the aeration area and the scum area can flow in when the product is used, the slag discharging process can be smoother, and the flow capacity of scum is greatly improved.

(3) The scum discharge gate can adjust the height of the lifting gate plate according to actual demands, can be lifted in the working process to finish blocking of sewage, and can be properly lowered to discharge part of sewage to assist in scum discharge when deslagging.

(4) According to the utility model, by arranging the controller, the sand sucking bridge, the lifting motor and the squeezer can be linked, when the sand sucking bridge advances, the controller can control the lifting motor to operate so as to enable the lifting flashboard to descend, so that the deslagging effect is better improved, and meanwhile, the controller starts the squeezer to further finish the squeezing treatment of scum; when the sand sucking bridge retreats, the controller can immediately control the operation of the lifting motor to enable the lifting flashboard to ascend, so that excessive liquid outflow is avoided, the normal operation of sewage treatment is effectively ensured, and meanwhile, after the sand sucking bridge retreats for a certain time, the controller controls the squeezer to carry out delayed shut-down, so that the normal operation of scum subsequent treatment is better ensured.

(5) The utility model utilizes the existing squeezer to match, can effectively reduce the setting cost of products, and more effectively and fully utilizes the existing equipment.

(6) The utility model can clean the scum in dead angle area behind the scum scraping device arranged on the existing sand suction bridge, avoid the accumulation of the scum in the dead angle area, simultaneously can more effectively discharge and process the scum, well avoid the accumulation of the scum in the scum area and the tail ditch, effectively avoid the occurrence of the condition that the scum is blocked in an oil collecting tank, and better promote the progress of enterprises and industries.

Additional features of the present application will be set forth in part in the description which follows. Additional features will be set forth in part in the description which follows and in the accompanying drawings, or in part will be apparent to those skilled in the art from the description, or may be learned by the production or operation of the embodiments. The features disclosed in this application may be implemented and realized in the practice or use of the various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not limit the application. Like reference symbols in the various drawings indicate like elements. Wherein, the liquid crystal display device comprises a liquid crystal display device,

fig. 1 is a schematic top view of the present utility model.

Fig. 2 is a schematic structural view of the dross discharge gate of the present utility model.

Reference numerals illustrate: 100. an aeration zone; 200. a dross region; 300. a sand discharging channel; 400. an aeration pipe; 500. a sand suction bridge; 600. tail ditch; 700. a front end slag pushing mechanism; 800. a tail end slag scraping mechanism; 900. a dross discharge gate; 901. a frame; 902. lifting flashboard; 903. a lifting rod; 904. a lifting motor; 1000. and (3) a squeezer.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that if the terms "first," "second," and the like are referred to in the specification, claims, and drawings of the present application, they are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, if the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like are referred to, the indicated azimuth or positional relationship is based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Further, in this application, the terms "mounted," "configured," "provided," "connected," "sleeved," and the like are to be construed broadly if they refer to. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

As shown in fig. 1, the scum discharging structure based on the aeration grit chamber comprises a sand discharging channel 300, two aeration areas 100 symmetrically arranged at the left and right sides of the sand discharging channel 300, two scum areas 200 respectively arranged at the outer sides of the two aeration areas 100, an aeration pipe 400 arranged in the aeration area 100 and close to the sand discharging channel 300, a sand sucking bridge 500 arranged across the sand discharging channel 300, the aeration area 100 and the scum areas 200, a tail ditch 600 communicated with the two scum areas 200, and a front-end scum pushing mechanism 700 arranged on the sand sucking bridge 500, wherein the sand sucking bridge 500 is also provided with a tail-end scum scraping mechanism 800, a scum discharging gate 900 is arranged at the position where the tail ditch 600 is connected with the scum areas 200, and the tail ditch 600 is also externally connected with a squeezer 1000 through a pipeline.

This application has effectually replaced the oil collecting pond through the squeezer, and then can effectually collect the dross and squeeze the dehydration to avoid the problem of dross jam oil collecting pond among the prior art, can also effectually avoid the dross to return sewage treatment system circulation to pile up, better improvement the efficiency of aeration grit chamber processing new dross.

The tail groove 600 is positioned at the front end of the aeration zone 100, and the bottom height of the tail groove 600 is lower than the liquid level of the liquid in the aeration zone 100.

The height of the bottom of the tail ditch is lower than the height of the liquid level, so that the liquid in the aeration area and the scum area can flow in when the product is used, the slag discharging process can be smoother, and the flow capacity of scum is greatly improved.

The tail end slag scraping mechanism 800 and the front end slag pushing mechanism 700 are both arranged below the sand sucking bridge 500, the tail end slag scraping mechanism 800 is arranged towards the rear of the sand sucking bridge 500, and the front end slag pushing mechanism 700 is arranged towards the front of the sand sucking bridge 500.

The tail end slag scraping mechanism and the front end slag pushing mechanism are structurally characterized in that the tail end slag pushing mechanism and the front end slag pushing mechanism are structurally characterized in that an electric slag scraping device or a mechanical slag scraping device can be selected according to actual requirements, the structure and the working principle of the tail end slag scraping mechanism and the front end slag pushing mechanism are all the prior art in the field, and a person skilled in the art can finish setting and using the tail end slag scraping mechanism and the front end slag pushing mechanism without creative labor. The difference between the application and the prior art is that the application creatively designs the tail end slag scraping mechanism, can effectively finish the treatment of the scum in dead angle areas in the scum areas, and avoids the long-time retention of the scum in the dead angle areas to ferment and stink.

As shown in fig. 2, the dross discharge gate 900 is composed of a frame 901, a lifting shutter 902 provided in the frame 901 and movable up and down along the frame 901, a lifting motor 904 provided at a center position of a top end of the frame 901, and a lifting rod 903 penetrating the lifting motor 904 and the frame 901 and fixed at a center position of a top end of the lifting shutter 902.

The height of the lifting flashboard can be adjusted according to actual demands, so that the lifting flashboard can be lifted in the working process to finish blocking of sewage, and the lifting flashboard can be properly lowered to discharge part of sewage to assist in discharging the scum when deslagging.

The bottom end of the frame 901 is lower than the bottom surface of the tail groove 600.

The bottom surface that is less than the tail ditch that sets up the bottom position of framework can effectually provide the concrete of a decline for the lift flashboard can accomplish when needing the blowdown and descend.

The sand suction bridge 500 is provided with a controller which is also electrically connected to the lift motor 904 and/or the press 1000.

The lifting motor and the squeezer can be independently arranged and independently controlled, and can be linked with the sand suction bridge in an electric connection mode with the controller, so that a person skilled in the art can select a corresponding arrangement or connection mode according to actual production requirements, and the sand suction machine has extremely high flexibility.

Through the mode that sets up the controller, can make inhale sand bridge and elevator motor and squeezer and link, when inhaling sand bridge and advance, the controller can control elevator motor operation so that the lift flashboard descends, and then better improvement arranges sediment effect, and the controller starts the squeezer simultaneously and in order to further accomplish the squeezing treatment of dross. When the sand sucking bridge retreats, the controller can immediately control the operation of the lifting motor to enable the lifting flashboard to ascend, so that excessive liquid outflow is avoided, the normal operation of sewage treatment is effectively ensured, and meanwhile, after the sand sucking bridge retreats for a certain time, the controller controls the squeezer to carry out delayed shut-down, so that the normal operation of scum subsequent treatment is better ensured.

The press 1000 is a stand alone press.

Example 2

The present embodiment differs from embodiment 1 only in that the press 1000 is a press provided in a vicinity of an aeration grit chamber or a press matched with a fine grid in a sewage treatment system.

The existing squeezer is utilized to match, so that the setting cost of products can be effectively reduced, and the existing equipment can be more effectively utilized.

It should be noted that all of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except mutually exclusive features and/or steps.

In addition, the foregoing detailed description is exemplary, and those skilled in the art, having the benefit of this disclosure, may devise various arrangements that, although not explicitly described herein, are within the scope of the present disclosure. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims (8)

1. The utility model provides a structure is discharged to dross based on aeration sand basin, including arranging sand canal (300), two aeration zone (100) of symmetry setting in sand canal (300) left and right sides, two dross district (200) of setting outside two aeration zone (100) respectively, aeration tube (400) of setting in aeration zone (100) and pressing close to sand canal (300), span sand canal (300), sand sucking bridge (500) that aeration zone (100) and dross district (200) set up, tail ditch (600) that are linked together simultaneously with two dross district (200), and front end pushing equipment (700) of setting on sand sucking bridge (500), a serial communication port, still be provided with tail end slag scraping equipment (800) on sand sucking bridge (500), the position department that tail ditch (600) meets with dross district (200) is provided with dross discharge gate (900), tail ditch (600) still has a squeezer (1000) through the pipe external connection.

2. The scum discharge structure based on an aeration grit chamber of claim 1, wherein the tail groove (600) is located at a front end of the aeration zone (100), and a groove bottom height of the tail groove (600) is lower than a liquid level of the liquid in the aeration zone (100).

3. The scum discharge structure based on an aeration grit chamber according to claim 2, wherein the tail end scum scraping mechanism (800) and the front end scum pushing mechanism (700) are both arranged below the sand sucking bridge (500), the tail end scum scraping mechanism (800) is arranged facing the rear of the sand sucking bridge (500), and the front end scum pushing mechanism (700) is arranged facing the front of the sand sucking bridge (500).

4. A scum discharging structure based on an aeration grit chamber according to claim 3, wherein the scum discharging gate (900) is composed of a frame body (901), a lifting gate plate (902) provided in the frame body (901) and movable up and down along the frame body (901), a lifting motor (904) provided at a center position of a top end of the frame body (901), and a lifting rod (903) penetrating the lifting motor (904) and the frame body (901) and fixed at a center position of a top end of the lifting gate plate (902).

5. The scum discharge structure based on an aeration grit chamber according to claim 4, wherein the bottom end of the frame (901) is positioned lower than the bottom surface of the tail groove (600).

6. The scum discharging structure based on the aeration grit chamber of claim 5, wherein a controller is provided on the sand suction bridge (500), and is electrically connected to the elevation motor (904) and/or the squeezer (1000) at the same time.

7. The scum discharge structure based on an aeration grit chamber of claim 6, wherein said press (1000) is a stand-alone press.

8. The scum discharge structure based on an aeration grit chamber of claim 6, wherein the squeezer (1000) is a squeezer provided in the vicinity of the aeration grit chamber or a squeezer matched with a fine grid in a sewage treatment system.