CN213037453U - Dross clearing device of oxidation ditch - Google Patents

Abstract

The utility model relates to an oxidation ditch technical field specifically is an oxidation ditch dross clearing device. Comprises a slag stopping component, a slag filtering box and a fishing component. The dross that the scum board floated in with the sewage suspension stops, sets up the filter residue case of installing at the scum board opening part under the effect of rivers and filters the collection to the dross, and the water impeller that the positive setting of filter residue case was simultaneously rotatory under the drive of rivers, and rotatory water impeller beats floated foam and looses, collects the dross of foam parcel, and the opening is plugged up to the buoyancy board when the clearance is pulled up to the filter residue case, the come-up. The device mainly utilizes rivers, and simple structure can clear up the collection with the floated foam in dross and the surface in the sewage by effectual, clears up the salvage in-process, and the manual work only participates in and uses the chain block and takes the tooth roller bearing to pull up the filter residue case from the aquatic, and the use of chain block can greatly save the manpower.

Description

Dross clearing device of oxidation ditch

Technical Field

The utility model relates to an oxidation ditch technical field specifically is an oxidation ditch dross clearing device.

Background

The oxidation ditch is a process in the sewage treatment process and is an evolved activated sludge system, and the purpose of purifying sewage is achieved by degrading and removing organic matters in the sewage through microorganisms and bacteria in the activated sludge through circulation of the activated sludge in closed aeration ditches connected end to end.

The oxidation ditch is at the actual motion in-process, there is a large amount of dross of unable degradation processing in the sewage, the dross floats along with sewage at the oxidation ditch upper strata suspension, receive centrifugal force's influence, dross in the sewage is when passing through the oxidation ditch bend, can remove to the outside, again because the oxidation ditch is at sewage treatment's in-process, can produce a large amount of foams, the foam also can adsorb on oxidation ditch outside pool wall when wrapping up the adsorbed with the dross, untimely clearance can make dross and foam pile up in the oxidation ditch bend outside in a large number, make oxidation ditch bend department inside and outside velocity of flow inhomogeneous, cause sludge deposition, influence oxidation ditch sewage treatment effect.

In the prior art, two main modes are used for cleaning scum on an oxidation ditch, (1) the scum is salvaged by using a filter screen on a pond bank through a manual station, and the mode has high labor cost, is not salvaged in time and has influence on subsequent sewage treatment; (2) the mechanical mode of salvaging, prior art discloses an oxidation ditch dross clearing device [ publication No. CN103288170A ], specifically discloses the following scheme: the equipment comprises a scum groove, a groove body seat, a turnover system, a scum discharge system and a scum conveying system, wherein scum is collected in the turnover scum groove through a crank connecting rod structure, and the scum is discharged through a pipeline by spraying clear water or liquid medicine. The cleaning device has a very complex structure and has higher requirements on the installation of equipment.

Disclosure of Invention

To the above-mentioned problem that prior art exists, the to-be-solved technical problem of the utility model is: provides a simple, effective and manpower-saving foam and scum removing device.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an oxidation ditch dross clearing device, includes pushing off the sediment subassembly, filter residue case and salvages the subassembly.

The slag stopping assembly comprises a slag stopping plate and a buoyancy plate.

The slag baffle is arranged along the tangential direction of the inner side pool wall of the outer bend of the oxidation ditch, the upper surface of the slag baffle exceeds the water surface by 20-30cm, one end of the slag baffle is fixedly connected to the inner side pool wall of the outer bend of the oxidation ditch, and the other end of the slag baffle is fixedly connected to the outer side pool wall of the outer bend of the oxidation ditch.

The slag blocking plate is provided with a rectangular opening close to the outer side pool wall of the outer bend of the oxidation ditch, and the left side and the right side of the opening are both vertically provided with box grooves. A sliding groove is further formed in the box groove, and the upper end of the sliding groove is closed.

And a cavity for accommodating the buoyancy plate is further arranged in the slag trap and is positioned below the opening.

The buoyancy plate is located in the cavity, is in clearance fit with the cavity and is in sliding connection with the sliding groove.

The filter residue case is frame construction, and the height and the open-ended highly uniform of filter residue case, filter residue case left side, the right side, below all be provided with thin filter screen with preceding, filter residue case horizontal fixed round bar that is provided with at the back, when filter residue case is in operating condition, the round bar is higher than the surface of water, and on the round bar along a plurality of impeller of evenly distributed on the round bar length direction, a plurality of impeller all rotate with the round bar and be connected. The left edge and the right edge of the rear surface of the slag filtering box are provided with sliding rods, and the sliding rods are in sliding connection with the box grooves in a matched mode.

The fishing component comprises a chain block and a toothed rolling shaft, and the toothed rolling shaft is positioned above the pond bank.

The chain block is fixedly arranged above the residue filtering box, and a transmission chain of the chain block is meshed with the toothed rolling shaft.

In the utility model, the scum floating in the sewage is blocked by the slag trap, and the scum is filtered and collected by the filter residue box arranged at the opening of the slag trap under the action of water flow; the water impeller that the sediment case openly set up simultaneously is rotatory under the drive of rivers, and the rotatory water impeller is clapped showy foam and is scattered, collects the dross of foam parcel, and the opening is plugged up to the buoyancy board when the clearance is pulled up to the sediment case, avoids the dross and the foam that do not collect to break through the slag trap at the in-process of clearance sediment case, increases the degree of difficulty of clearance and collection. The device mainly utilizes rivers, and simple structure can clear up the collection with the floated foam in dross and the surface in the sewage by effectual, clears up the salvage in-process, and the manual work only participates in and uses the chain block and takes the tooth roller bearing to pull up the filter residue case from the aquatic, and the use of chain block can greatly save the manpower.

Preferably, the floating type air conditioner further comprises a power assisting plate, the power assisting plate is arranged in the cavity and located below the floating plate, the power assisting plate is in clearance fit with the cavity, a plurality of power assisting springs are further arranged between the power assisting plate and the bottom wall of the cavity, one ends of the power assisting springs are fixedly connected to the lower end of the power assisting plate, and the other ends of the power assisting springs are fixedly connected to the bottom wall of the cavity. When the filter residue box moves upwards, the power assisting plate and the power assisting spring generate an upward acting force on the buoyancy plate, so that the floating speed of the buoyancy plate can be increased, and scum is more effectively prevented from breaking through the slag trap.

Preferably, the top of the filter residue box is provided with a hanging rod which is of an X-shaped structure, and four ends of the hanging rod are respectively connected with four corners of the top of the corresponding filter residue box. The central position of the hanging rod is hooked by the hook at the lower end of the chain block, and the hook cannot move under the limitation of the hanging rod, so that the filter residue box is kept balanced in the process of being pulled upwards by the chain block.

Preferably, the gear transmission mechanism further comprises a servo motor, the output end of the servo motor is coaxial with the toothed roller, and the output end of the servo motor is fixedly connected with one end of the toothed roller. The toothed rolling shaft is driven by the servo motor, so that the condition that the filter residue box is overweight and is manually driven is hard is avoided, the condition that the filter residue box is manually driven to pause in the pulling-up process is avoided, and the condition that the filter residue box is instantly stressed unevenly to generate shaking to enable scum to fall out of the filter residue box to pollute the surrounding environment is avoided.

Preferably, the device further comprises a sliding rail and a sliding block. The sliding rail is provided with a sliding chute arranged along the length direction of the sliding rail, the cross section of the sliding chute is T-shaped, the sliding rail is transversely arranged above the chain block, and the opening of the sliding chute faces downwards; the slider sets up in the spout, slider and spout sliding connection, and the lower extreme of slider and the upper end fixed connection of chain block. After the filter residue box is pulled up to the opening top by using the chain block, the filter residue box in the state higher than the pond bank is moved along the slide rail direction by manually pulling the slide block, the filter residue box is moved to the end position on the right side of the slide rail, the filter residue box is conveniently cleaned on the pond bank, or the filter residue box is transported to a cleaning area by a transport tool to be cleaned and maintained.

Preferably, the slide rail device further comprises a hydraulic rod, the hydraulic rod is arranged in the slide rail chute, one end of the hydraulic rod is fixedly connected with the right surface of the slide block, and the other end of the hydraulic rod is fixedly connected with the right side end of the slide rail. When the hydraulic stem extends, when making the slider move along the slide rail from the right side to the left, the hydraulic stem can provide the helping hand on the moving direction to the slider for it is more laborsaving when moving the chain block to the opening top.

Compared with the prior art, the invention has at least the following advantages:

1. in the utility model, a filter residue box arranged at the opening of the slag stopping plate is arranged under the action of water flow to filter and collect scum; the water impeller that the sediment case openly set up simultaneously is rotatory under the drive of rivers, and the rotatory water impeller is clapped showy foam and is scattered, collects the dross of foam parcel, and the opening is plugged up to the buoyancy board when the clearance is pulled up to the sediment case, avoids the dross and the foam that do not collect to break through the slag trap at the in-process of clearance sediment case, increases the degree of difficulty of clearance and collection. The device mainly utilizes rivers, and simple structure can clear up the collection with the floated foam in dross and the surface in the sewage by effectual, clears up the salvage in-process, and the artifical belt roller bearing that only participates in the drive drives the chain block, makes the filter residue case pull-up from the aquatic. Greatly saving manpower.

2. Through ordering about the slider and removing in the slide rail, can remove the filter residue case that is loading the dross to pool bank top, clear up the filter residue case on the pool bank or carry the filter residue case to the clearance district through delivery vehicle, can shake by effectively avoiding the filter residue case to remove in-process and the clearance process filter residue case, the condition that the dross dropped appears, leads to causing the pollution to the surrounding environment.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention.

Fig. 2 is an enlarged view of selected region a in fig. 1.

Fig. 3 is a schematic perspective view of the filter residue box.

Fig. 4 is a schematic top view of the present invention.

FIG. 5 is a perspective view of the opening of the slag trap.

In the figure, 1-slag trap, 2-buoyancy plate, 3-opening, 4-tank groove, 5-chute, 6-cavity, 7-slag filter tank, 8-round rod, 9-impeller, 10-slide rod, 11-chain block, 12-toothed roller, 13-booster plate, 14-booster spring, 15-hanging rod, 16-slide rail, 17-hydraulic rod, 18-mud truck, 20-water line, 21-outer curve outer tank wall, 22-outer curve inner tank wall, and 23-water flow direction.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in fig. 1, and particularly, the terms "front" and "rear" are the directions of fig. 1 facing outwards and the directions of fig. 1 facing inwards, and the terms are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides an oxidation ditch dross clearing device, the device includes pushing off the sediment subassembly, residue case 7 and salvage the subassembly.

The slag stopping assembly comprises a slag stopping plate 1 and a buoyancy plate 2.

The slag baffle 1 is arranged along the tangential direction of the inner side pool wall 22 of the outer curve of the oxidation ditch, the upper surface of the slag baffle 1 exceeds the water surface by 20-30cm, one end of the slag baffle 1 is fixedly connected on the inner side pool wall 22 of the outer curve of the oxidation ditch through bolts, and the other end of the slag baffle 1 is fixedly connected on the outer side pool wall 21 of the outer curve of the oxidation ditch through bolts.

A rectangular opening 3 is formed in the position, close to the outer side pool wall 21 of the outer bend of the oxidation ditch, of the slag blocking plate 1, and box grooves 4 are vertically formed in the left side and the right side of the opening 3. A sliding groove 5 is further arranged in the box groove 4, and the upper end of the sliding groove 5 is closed.

And a cavity 6 for accommodating the buoyancy plate 2 is further arranged in the slag trap 1, and the cavity 6 is positioned below the opening 3.

The buoyancy plate 2 is located in the cavity 6, the buoyancy plate 2 is in clearance fit with the cavity 6, and the buoyancy plate 2 is in sliding connection with the sliding groove 5.

In specific implementation, one scheme of providing the buoyancy plate 2 is as follows: the middle of adopting light cystosepiment, the outer corrosion-resistant thin metal of one deck parcel, buoyancy plate 2 middle use light foam can strengthen buoyancy plate 2's the come-up effect, wrap up the life-span that the corrosion-resistant foil of one deck can effectively increase buoyancy plate 2 outside the cystosepiment.

Filter residue case 7 is frame construction, and the height of filter residue case 7 and opening 3 highly uniform, and 7 left sides of filter residue case, the right side all are provided with thin filter screen below and in the front, and filter residue case 7 is horizontal fixed at the back and is provided with round bar 8, and when filter residue case 7 was in operating condition, round bar 8 was higher than the surface of water, and on the round bar 8 along a plurality of impeller 9 of evenly distributed on the 8 length direction of round bar, a plurality of impeller 9 all rotated with round bar 8 and was connected. The left edge and the right edge of the back of the slag filtering box 7 are provided with sliding rods 10, and the sliding rods 10 are in sliding connection with the box grooves 4 in a matched mode.

During specific implementation, hanging rod 15 is provided with at filter residue case 7 top, hanging rod 15 is "X" column structure, and four tip of hanging rod 15 are connected with four angles in the 7 tops of filter residue case that correspond respectively. Use the chain block 11 to collude filter residue case 7 and upwards draw the in-process, the chain block 11 couple catches on 15 intermediate positions of peg and can restrict chain block 11 couple position, prevents to be got in touch at filter residue case 7 by the in-process of pulling up and removes for slope about filter residue case 7.

In specific implementation, all parts of the filter residue box 7 are made of corrosion-resistant materials. The components of the filter residue box 7 are made of corrosion-resistant materials, so that the filter residue box 7 can be prevented from being corroded and rusted after being soaked in sewage for a long time, the service life of the filter residue box 7 is effectively prolonged,

the fishing assembly includes a chain block 11 and a toothed roller 12.

The toothed rollers 12 are located above the bank.

The chain block 11 is fixedly arranged above the residue filtering box 7, and a transmission chain of the chain block 11 is meshed with the toothed roller 12.

When the gear transmission mechanism is specifically implemented, the gear transmission mechanism further comprises a servo motor, the output end of the servo motor is coaxial with the toothed roller 12, and the output end of the servo motor is fixedly connected with one end of the toothed roller 12. Adopt servo motor to take tooth roller 12 to drive, on the one hand make the chain block 11 save the manpower when pulling up filter residue case 7, and on the other hand, servo motor transmission is stable, and chain block 11 can not take place speed variation at the in-process that rises, can prevent effectively that filter residue case 7 from shaking because instantaneous speed variation for the dross drops.

When the floating type floating buoyancy force boosting device is specifically implemented, the floating buoyancy force boosting device further comprises a boosting plate 13, the boosting plate 13 is arranged in the cavity 6 and located below the floating buoyancy plate 2, the boosting plate 13 is in clearance fit with the cavity 6, a plurality of boosting springs 14 are further arranged between the boosting plate 13 and the bottom wall of the cavity 6, one ends of the boosting springs 14 are fixedly connected to the lower end of the boosting plate 13, and the other ends of the boosting springs are fixedly connected to the bottom wall of the cavity 6. When the filter residue box 7 moves upwards, the power assisting plate 13 and the power assisting spring 14 generate an upward acting force on the buoyancy plate 2, so that the floating speed of the buoyancy plate 2 can be increased, and scum is more effectively prevented from breaking through the slag trap 1.

In specific implementation, the device further comprises a slide rail 16 and a slide block. The slide rail 16 is provided with a slide groove arranged along the length direction of the slide rail, the cross section of the slide groove is T-shaped, the slide rail 16 is transversely arranged above the chain block 11, and the opening 3 of the slide groove faces downwards; the slider sets up in the spout, slider and spout sliding connection, and the lower extreme of slider and the upper end fixed connection of chain block 11. Use the chain block 11 to draw and rise filter residue case 7 to opening 3 top after, will be in and make filter residue case 7 along 16 directions movements of slide rail through artifical pulling slider with filter residue case 7 that is higher than under the bank state, remove filter residue case 7 to 16 right sides of slide rail end positions, conveniently clear up filter residue case 7 on the bank, or carry filter residue case 7 to clearing up the region through fortune mud truck 18 and clear up the maintenance.

When the concrete implementation, still include hydraulic stem 17, hydraulic stem 17 sets up in slide rail 16 spout, hydraulic stem 17 one end and the right side fixed connection of slider, and hydraulic stem 17 other end fixed connection is at the right side tip of slide rail 16. When the hydraulic rod 17 extends, that is, when the slider moves from right to left along the slide rail 16, the hydraulic rod 17 provides an assisting force in the moving direction to the slider, so that the force is saved when the chain block 11 is moved to the position above the opening 3.

In a specific implementation, the hydraulic rod 17 is an electric hydraulic rod 17. The hydraulic rod 17 is driven by electric power to extend and shorten, and the sliding block is driven to move, so that the labor can be further saved.

The utility model discloses a theory of operation:

the scum that the slag trap 1 will suspend at the sewage upper strata flow stops, and the scum is close to the outer bend outside pool wall 21 of oxidation ditch under the effect of rivers, and upper sewage is through opening 3, and the scum is stayed in filter residue case 7 by the thin filter screen of filter residue case 7, and simultaneously, the water impeller 9 on the positive pole 8 of filter residue case 7 is rotatory under rivers drive, will float the foam on the surface of water and break up.

The toothed roller 12 on the pond bank is driven to rotate forwards through manpower or a servo motor, so that a transmission chain of the chain block 11 connected with the chain block in a meshed mode works, the lower end hook of the chain block 11 pulls the filter residue box 7 upwards along the box groove 4, meanwhile, the power-assisted spring 14 is changed from a compression state to a relaxation state, mechanical energy is released, an upward force is applied to the buoyancy plate 2, the buoyancy plate 2 rises together with the filter residue box 7 along the sliding groove 5 under the action of the buoyancy force of water, and after the filter residue box 7 rises to leave the box groove 4, the opening 3 is sealed by the buoyancy plate 2, so that scum is prevented from breaking through the slag blocking plate 1, and the collection difficulty of scum and foam is increased.

Filter residue case 7 continues to be pulled by chain block 11 and rises, and when filter residue case 7 bottom was located on the bank horizontal plane, closed servo motor, through artifical pulling filter residue case 7, made the slider move to the bank top from left to right along slide rail 16, took tooth roller 12 reverse rotation through the drive, made filter residue case 7 descend, cleared up filter residue case 7 on the bank, or carried filter residue case 7 to the clearance district clearance through fortune mud car 18. The cleaned filter residue box 7 is hung on the hook of the chain block 11 again, the toothed roller 12 is driven to rotate in the forward direction, the filter residue box 7 is lifted, the toothed roller 12 is stopped being driven, the filter residue box 7 is pushed to move along the slide rail 16 from right to left, and the hydraulic rod 17 assists the slide block, so that the filter residue box 7 can move to the position above the opening 3 smoothly.

The driving toothed roller 12 rotates reversely, so that the filter residue box 7 descends, the position of the filter residue box 7 is adjusted, the slide rod 10 on the filter residue box 7 slides along the box groove 4, the filter residue box 7 presses the buoyancy plate 2 downwards by the gravity of the filter residue box, and scum and foam are collected and scattered continuously under the action of water flow.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (6)

1. The utility model provides an oxidation ditch dross clearing device which characterized in that: comprises a slag stopping component, a slag filtering box (7) and a fishing component;

the slag stopping component comprises a slag stopping plate (1) and a buoyancy plate (2);

the slag blocking plate (1) is arranged along the tangential direction of the inner side pool wall (22) of the outer bend of the oxidation ditch, the upper surface of the slag blocking plate (1) exceeds the water surface by 20-30cm, one end of the slag blocking plate (1) is fixedly connected to the inner side pool wall (22) of the outer bend of the oxidation ditch, and the other end of the slag blocking plate (1) is fixedly connected to the outer side pool wall (21) of the outer bend of the oxidation ditch;

a rectangular opening (3) is formed in the position, close to the outer side pool wall (21) of the outer bend of the oxidation ditch, of the slag blocking plate (1), and box grooves (4) are vertically formed in the left side and the right side of the opening (3);

a sliding chute (5) is also arranged in the box groove (4), and the upper end of the sliding chute (5) is closed;

a cavity (6) for accommodating the buoyancy plate (2) is further formed in the slag blocking plate (1), and the cavity (6) is located below the opening (3);

the buoyancy plate (2) is positioned in the cavity (6), the buoyancy plate (2) is in clearance fit with the cavity (6), and the buoyancy plate (2) is in sliding connection with the sliding groove (5);

the filter residue box (7) is of a frame structure, the height of the filter residue box (7) is consistent with that of the opening (3), fine filter screens are arranged on the left side, the right side, the lower side and the front side of the filter residue box (7), a round rod (8) is transversely and fixedly arranged on the rear side of the filter residue box (7), when the filter residue box (7) is in a working state, the round rod (8) is higher than the water surface, a plurality of water impellers (9) are uniformly distributed on the round rod (8) along the length direction of the round rod (8), and the water impellers (9) are rotatably connected with the round rod (8);

the left edge and the right edge of the rear surface of the slag filtering box (7) are provided with sliding rods (10), and the sliding rods (10) are in sliding connection with the box grooves (4) in a matched mode;

the fishing component comprises a chain block (11) and a toothed roller (12);

the toothed roller (12) is positioned above the pond bank;

the chain block (11) is fixedly arranged above the filter residue box (7), and a transmission chain of the chain block (11) is meshed and connected with the toothed roller (12).

2. The oxidation ditch dross removal apparatus of claim 1, wherein: still include helping hand board (13), helping hand board (13) set up in cavity (6), and are located buoyancy board (2) below, and helping hand board (13) and cavity (6) clearance fit still are provided with a plurality of helping hand spring (14) between helping hand board (13) and cavity (6) diapire, and helping hand spring (14) one end fixed connection is at helping hand board (13) lower extreme, and helping hand spring (14) other end fixed connection is on cavity (6) diapire.

3. The oxidation ditch dross removal apparatus of claim 2, wherein: hanging rods (15) are arranged at the top of the filter residue box (7), the hanging rods (15) are of an X-shaped structure, and four ends of the hanging rods (15) are respectively connected with four corners at the top of the corresponding filter residue box (7).

4. The oxidation ditch dross removal apparatus of claim 3, wherein: the belt-type gear transmission mechanism is characterized by further comprising a servo motor, wherein the output end of the servo motor is coaxial with the toothed rolling shaft (12), and the output end of the servo motor is fixedly connected with one end of the toothed rolling shaft (12).

5. The oxidation ditch dross removal apparatus of claim 4, wherein: the device also comprises a slide rail (16) and a slide block;

the sliding rail (16) is provided with a sliding groove arranged along the length direction of the sliding rail, the cross section of the sliding groove is T-shaped, the sliding rail (16) is transversely arranged above the chain block (11), and the opening (3) of the sliding groove faces downwards;

the slider sets up in the spout, slider and spout sliding connection, and the lower extreme of slider and the upper end fixed connection of chain block (11).

6. The oxidation ditch dross removal apparatus of claim 5, wherein: still include hydraulic stem (17), hydraulic stem (17) set up in slide rail (16) spout, hydraulic stem (17) one end and the right side fixed connection of slider, hydraulic stem (17) other end fixed connection is in the right side tip of slide rail (16).

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