CN214634273U - Scum diversion and collection device of radial flow type sedimentation tank - Google Patents

Abstract

The utility model provides a radial flow sedimentation tank dross water conservancy diversion collection device, include: the supporting angle steel, the slag blocking plate, the inclined plates and the slag blocking plate do circular motion; the inclined plate inclines towards the center direction of the secondary sedimentation tank. The swash plate has the end of meeting the river, and rivers are carrying the dross and are utilizing the rotatory water that produces with the swash plate of skimming plate to flow and push away nearly skimming plate with the dross from the end of meeting the river to promote to collect to the skimming plate under the velocity of flow that the swash plate produced, finally push radial sedimentation tank row cinder notch and discharge, the utility model discloses can alleviate operating personnel intensity of labour by a wide margin with high efficiency, the quick cleaing away of dross in the two sedimentation tanks, take place drowned when preventing operating personnel from clearing up the pool face, the utility model provides a simple manufacture, collect effective, the low price's dross collection mode.

Description

Scum diversion and collection device of radial flow type sedimentation tank

Technical Field

The utility model belongs to the technical field of two heavy ponds dross scavenging apparatus, especially, relate to a radial flow formula sedimentation tank dross water conservancy diversion collection device.

Background

The secondary sedimentation tank, namely the secondary sedimentation tank, mainly has the function of separating mud and water, the working efficiency of the secondary sedimentation tank directly influences the effluent quality of an activated sludge system, and the radial sedimentation tank can be used as the secondary sedimentation tank in a sewage treatment plant. At the tail end of a water distribution channel of the secondary sedimentation tank, due to the fact that the water inflow speed is reduced, scum sludge can be splashed, the scum sludge can be accumulated on the water surface, if the scum sludge is not cleaned in time, the attractiveness of the secondary sedimentation tank is affected, and the drainage water quality can be affected due to excessive scum.

In order to solve the technical problems, the technical personnel in the field utilize a slag trap, a slag trap and other devices for cleaning, wherein the slag trap is arranged at the water outlet edge of the secondary sedimentation tank and has a circular structure as the secondary sedimentation tank, and the slag trap is arranged below the stack bridge of the rotary mud scraper and has a straight plate-shaped structure. However, the scum close to the edge of the secondary sedimentation tank can be removed only by the mode, the scum close to the center rotates under the action of the trestle of the rotary mud scraper of the secondary sedimentation tank due to the water surface, the scum cannot float to the position close to the scum board at the edge of the secondary sedimentation tank due to the blocking effect of the scum board, and enters the slag discharge port along with the blocking of the scum board and the scum board, but floats on the surface of the tank in a synchronous rotation mode with the scum board below the trestle. In summer, due to hot weather, sludge scum can be hardened and flies can grow, and green algae can be generated; in winter, the scum is very easy to freeze, which becomes a hidden trouble for safe production.

At present, a method for removing scum on a water distribution channel of a secondary sedimentation tank by a sewage treatment plant adopts manual removal or water gun spraying, so that the working efficiency is low and the removal effect is poor; and secondly, a gate valve is additionally arranged at the tail end of the water distribution channel to discharge sludge scum, but hardened scum cannot automatically flow out due to too low flow rate of water distribution, so that the hardened scum is manually pushed into a scum well.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a radial flow sedimentation tank dross water conservancy diversion collection device. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

The utility model adopts the following technical scheme:

in some optional embodiments, there is provided a radial sedimentation tank scum diversion collection apparatus, comprising: the slag blocking plate is arranged at the water outlet edge of the secondary sedimentation tank; further comprising: a plurality of inclined plates and a slag baffle which does circular motion; the rotation center of the slag trap is positioned at the center of the secondary sedimentation tank; the inclined plate is arranged on the upstream surface of the slag trap and inclines towards the center of the secondary sedimentation tank; a certain space is reserved between the inclined plate and the slag baffle plate to form a scum guide channel pointing to the slag baffle plate.

In some optional embodiments, the scum diversion collecting device of the radial flow type sedimentation tank further comprises: the inclined plate is mounted on the slag baffle through the support angle steel; the upstream surface of the slag baffle, the upper surface of the support angle steel and the wake flow end of the inclined plate are surrounded to form the scum flow guide channel.

In some optional embodiments, the scum diversion collecting device of the radial flow type sedimentation tank further comprises: and the rubber scraper is arranged at the tail end of the slag baffle.

In some optional embodiments, the inclined plates are arranged on the upstream surface of the slag trap in parallel and at even intervals.

In some optional embodiments, the inclined plate and the slag baffle are arranged at an included angle of 30-45 degrees.

In some optional embodiments, the horizontal spacing between adjacent swash plates is set in a ratio of 1:1 to the length of the swash plates.

In some optional embodiments, the slag trap is perpendicular to the water surface, the bottom edge of the slag trap is submerged 20cm below the water surface, the top edge of the slag trap is 15cm away from the water surface, the bottom edge of the inclined plate is submerged 20cm below the water surface, the top edge of the inclined plate is 10cm away from the water surface, and the support angle steel is positioned below the water surface, so that the water surface of the secondary sedimentation tank is positioned in the scum guide channel.

In some optional embodiments, the upstream surface of the slag trap is spaced 30cm from the wake end of the sloping plate.

In some alternative embodiments, the swash plate is made of stainless steel, aluminum sheet or plastic.

The utility model discloses the beneficial effect who brings: the swash plate has the end of meeting the river, and rivers are carrying the dross and are utilizing the rotatory water that produces with the swash plate of skimming plate to flow and push away nearly skimming plate with the dross from the end of meeting the river to promote to collect to the skimming plate under the velocity of flow that the swash plate produced, finally push radial sedimentation tank row cinder notch and discharge, the utility model discloses can alleviate operating personnel intensity of labour by a wide margin with high efficiency, the quick cleaing away of dross in the two sedimentation tanks, take place drowned when preventing operating personnel from clearing up the pool face, the utility model provides a simple manufacture, collect effective, the low price's dross collection mode.

Drawings

Fig. 1 is a top view of the scum diversion collection device of the radial sedimentation tank of the utility model, which is installed in the radial sedimentation tank;

FIG. 2 is a schematic view of the connection of the slag trap, the supporting angle steel and the sloping plate of the present invention;

fig. 3 is a top view of the single guiding and collecting device for scum of the present invention.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others.

As shown in fig. 1-3, in some illustrative embodiments, there is provided a radial sedimentation tank scum deflector collection apparatus comprising: the floating slag scraper comprises a slag baffle 1, support angle steel 2, an inclined plate 3, a rubber scraper 4, a slag baffle 5 and a floating slag diversion channel 11.

The slag blocking plate 5 is arranged at the water outlet edge of the secondary sedimentation tank. The supporting angle steel 2 is connected with the slag trap 1 and the inclined plate 3. The rotation center of the slag trap 5 is positioned at the center of the secondary sedimentation tank and moves circularly around the center of the secondary sedimentation tank. The upstream surface 101 of the slag trap 1 is provided with a plurality of inclined plates 3, and the inclined plates 3 incline towards the center of the secondary sedimentation tank.

The upstream surface 101 of the slag trap 1 means that water in the secondary sedimentation tank acts on one surface of the slag trap 1 when the slag trap 1 moves. The two ends of the inclined plate 3 are an incident end 6 and a wake end 7 respectively, the incident end 6 refers to one end which is in the incident direction of water when the inclined plate 3 moves, and the other end is the wake end 7.

A certain space is reserved between the inclined plate 3 and the slag baffle 1 to form a scum guide channel 11 which points to the slag baffle 5. When the sloping plate 3 rotates along with the slag trap 1, water flow carries scum to flow from the upstream end 6 to the downstream end 7, the slag trap 1 rotates to utilize hydrodynamic force generated by the sloping plate 3 to guide the scum to the scum guide channel 11 for collection, and the scum is pushed by the flow velocity generated by the sloping plate 3 to move along the scum guide channel 11 towards the slag trap 1, and finally pushed into a slag discharge port of a radial sedimentation tank for discharge.

The inclined plate 3 is arranged on the slag trap 1 through a support angle steel 2. The upstream surface 101 of the slag trap 1, the upper surface of the support angle steel 2 and the wake flow end 7 of the inclined plate are surrounded to form a scum guide channel 11. In fig. 1 is shown the force 8 generated by the rotation of the slag trap 1, the force 9 generated by the swash plate, and the hydrodynamic direction 10 generated by both forces. When the slag trap 1 rotates slowly, force perpendicular to the rotation radius is generated on scum, and force along the direction of the inclined plate is introduced because the inclined plate 3 cuts the water body; the water flow carries scum from the upstream end 6 to the downstream end 7 under the resultant force of two forces, so that the scum is pushed to the slag trap 1; meanwhile, the floating slag is pushed downwards by the flow velocity generated by the resultant force to be collected to the slag blocking plate 5 through the floating slag diversion channel 11, and finally the tail end of the flowing slag blocking plate 1 is pushed into a slag discharge port of the radial flow sedimentation tank to be discharged. Therefore, the utility model provides an implementation mode which is simple in manufacture, effective in collection and low in price.

The rubber scraper 4 is arranged at the tail end of the slag trap 1, the slag trap 1 and the slag trap 5 are in soft connection by adopting the rubber scraper 4 and the like, and the rubber scraper 4 is 10cm long, 25cm high and 7mm thick.

Swash plate 3 is parallel to each other and the even upstream face of arranging at the slag trap 1 in interval, and parallel to each other and the even arrangement mode in interval make the utility model has the advantages of be convenient for collect the dross of each position on the surface of water. The sloping plate 3 and the slag trap 1 are connected by welding or fixed by screws. The installation number of the inclined plates 3 is determined according to the radius of the radial flow type sedimentation tank and the horizontal distance between the inclined plates 3.

The inclined plate 3 and the slag baffle 1 are arranged at an included angle of 30-45 degrees. The shear force of the inclined plate 3 at the area of the upstream end 6 changes the direction of water flow and accelerates the water flow, scum floating on the water surface is pushed to the slag trap 1, enters the scum guide channel 11, moves to the slag trap 5 at the periphery of the sedimentation tank along the scum guide channel 11, and is finally discharged from the tail end of the slag trap.

The horizontal distance between adjacent inclined plates 3 and the length of the inclined plates 3 are arranged in a ratio of 1: 1. This achieves a uniform introduction of the hydrodynamic forces in the region of the swash plate 3. The length of the inclined plates 3 is 1m, the height thereof is 30cm, the thickness thereof is 1.2mm, and the interval between the inclined plates 3 is 1 m.

The slag trap 1 is vertical to the water surface, the bottom edge of the slag trap 1 is submerged 20cm below the water, and the top edge is 15cm away from the water surface; the bottom edge of the inclined plate 3 is submerged 20cm below water, and the top edge is 10cm away from the water surface; the support angle steel 2 is positioned below the water surface; the above design makes the water surface of the secondary sedimentation tank be positioned in the scum guide channel 11. Therefore, when the scum board 1 moves with the inclined board 3, scum on the water surface can smoothly and automatically enter the scum guide channel 11 and move towards the scum board 5 along the scum guide channel 11.

The space between the upstream surface of the slag baffle 1 and the wake flow end of the inclined plate 3 is 30cm, and the width of 30cm can ensure that the scum can smoothly move along the scum guide channel 11.

The swash plate 3 adopts stainless steel, aluminum sheet or plastics, adopts stainless steel to have intensity big, non-deformable's advantage, adopts light materials such as aluminum sheet or plastics can reduce the output power that drives the swash plate 3 and carry out the removal, reduces the energy consumption.

The above embodiment is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above embodiment, and any other changes, modifications, replacements, combinations, simplifications, equivalent replacement modes, which are not departed from the spirit and principle of the present invention, should be included in the protection scope of the present invention.

Claims (9)

1. A device for guiding and collecting scum in a radial flow type sedimentation tank comprises: the slag blocking plate is arranged at the water outlet edge of the secondary sedimentation tank; it is characterized by also comprising: a plurality of inclined plates and a slag baffle which does circular motion;

the rotation center of the slag trap is positioned at the center of the secondary sedimentation tank;

the inclined plate is arranged on the upstream surface of the slag trap and inclines towards the center of the secondary sedimentation tank;

a certain space is reserved between the inclined plate and the slag baffle plate to form a scum guide channel pointing to the slag baffle plate.

2. The device for guiding and collecting scum in a radial flow type sedimentation tank according to claim 1, further comprising: the inclined plate is mounted on the slag baffle through the support angle steel; the upstream surface of the slag baffle, the upper surface of the support angle steel and the wake flow end of the inclined plate are surrounded to form the scum flow guide channel.

3. The device for guiding and collecting scum in a radial flow type sedimentation tank according to claim 2, further comprising: and the rubber scraper is arranged at the tail end of the slag baffle.

4. The scum flow guiding and collecting device of the radial flow type sedimentation tank as claimed in claim 3, wherein the inclined plates are arranged in parallel and at even intervals on the upstream face of the scum board.

5. The flow guiding and collecting device for the scum in the radial flow type sedimentation tank as claimed in claim 4, wherein the inclined plates and the scum board are arranged at an included angle of 30-45 °.

6. The scum diversion collection device of claim 5, wherein the horizontal spacing between adjacent sloping plates is arranged in a ratio of 1:1 to the length of the sloping plates.

7. The radial flow type sedimentation tank scum diversion collection device according to claim 6, wherein the slag trap is vertical to the water surface, the bottom edge of the slag trap is submerged 20cm, the top edge is 15cm away from the water surface, the bottom edge of the inclined plate is submerged 20cm, the top edge is 10cm away from the water surface, and the support angle steel is positioned below the water surface, so that the water surface of the secondary sedimentation tank is positioned in the scum diversion channel.

8. The device of claim 7, wherein the upstream surface of the skimming plate is spaced 30cm from the trailing end of the inclined plate.

9. The device of claim 8, wherein the inclined plates are made of stainless steel, aluminum sheets or plastic.

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