CN219002082U

CN219002082U - Device for collecting scum on surface of sedimentation tank

Info

Publication number: CN219002082U
Application number: CN202223445722.7U
Authority: CN
Inventors: 张良纯; 邓家伟; 文玉坤; 袁红彬
Original assignee: Zhuhai 9tone Water Service Inc
Current assignee: Zhuhai 9tone Water Service Inc
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-12
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to a device for collecting scum on the surface of a sedimentation tank, and belongs to the technical field of water treatment auxiliary equipment. The suspension collecting tank adopts a suspension mode, so that the collecting tank can be better adapted to the changed liquid level; the water surface of the suspension collecting tank is provided with an inclined flanging with a certain width, so that surface scum can more smoothly enter the suspension collecting tank through the water inlet; the movable weir plate is matched with the chute mode in the suspension collecting tank, and the movable weir plate is arranged on the upstream surface, so that the sealing can be effectively enhanced by utilizing the pressure of water; when the first water passing hole is lower than the liquid level, the surface scum is brought into the suspension collecting tank by using the surface tension of water and discharged; the discharge pipeline is provided with a second water passing hole for removing scum or impurities in the suspension collecting tank. The device does not need to be intercepted by a collector and a collecting net is not arranged, so that the device does not need to be cleaned and replaced manually at regular intervals; the part in the water is not connected electrically, so that the safety of the equipment is ensured.

Description

Device for collecting scum on surface of sedimentation tank

Technical Field

The utility model belongs to the technical field of water treatment auxiliary equipment, and particularly relates to a device for collecting scum on the surface of a sedimentation tank.

Background

The sedimentation tank is a key device for physical and chemical treatment in water treatment, and the sedimentation tank at present comprises a advection sedimentation tank, an inclined tube sedimentation tank and a horizontal tube efficient sedimentation tank. The horizontal tube sedimentation tank is the sedimentation tank closest to the 'Hazhen' shallow layer theory at present, the sedimentation tank is used for horizontally arranging the sedimentation tube, flowing along a horizontal line and vertically separating suspended matters, and has sedimentation and separation functions. The horizontal pipe sedimentation tank structure consists of a flocculation area, a rectification area, a water distribution area, a sedimentation area, a water collection area and a water outlet area. In daily operation, due to the reasons of raw water algae, excessive dosing, dust pollution in the air and the like, the water surface often floats with dregs, dust or foam and the like, the operation and the appearance of equipment are affected, and the water quality of effluent water can be affected in severe cases. At present, the cleaning mode of the water plant is mainly to manually salvage with a filter screen, the manual salvage efficiency is low, the cleanliness is not high, and certain potential safety hazards exist.

The utility model patent application of China with the application publication number of CN108385634A and the application publication date of 2018.08.10 discloses a water surface floating dust garbage collector, and particularly discloses a water surface floating dust garbage collector which comprises a buoyancy barrel, wherein a containing cavity is arranged in the buoyancy barrel, a filtrate separation net and a floating matter collection net are sequentially arranged from an upper end opening of the containing cavity towards the inside of the containing cavity, and the filtrate separation net is arranged between the inner wall surface of the containing cavity and the floating matter collection net in an isolated manner; the upper end opening of the floating object collecting net is correspondingly communicated with the upper end opening of the accommodating cavity; the floating matter collecting net is detachably arranged relative to the accommodating cavity; the lower end opening of the accommodating cavity is connected with a water pump; therefore, under the suction effect of the water pump, the water surface floating dust garbage enters the upper end opening of the floating matter collecting net along with the water flow, the water surface floating dust garbage stays in the floating matter collecting net to be collected, and the water flow is discharged through the lower end opening of the water pump after passing through the floating matter collecting net and the filtering isolation net under the suction effect of the water pump. The water surface floating dust garbage collector in the prior art brings water surface garbage into the accommodating cavity through water flow, and makes the garbage stay on the floating matter collecting net under the filtering and isolating action of the floating matter collecting net. However, in use, as the amount of collected waste increases, the waste that is separated from the surface of the suspended matter collecting net will completely cover the net surface, even seal the whole net surface. Once the garbage is deposited on the ground where the suspended matter collecting net is sealed, the water pump cannot continue to effectively suck the water body, and further more garbage cannot be collected through the water flow. Therefore, in the actual process, the collector in the prior art has poor working reliability, the garbage on the surface of the suspended matter collecting net needs to be frequently cleaned, and the working efficiency of the garbage cleaning operation on the water surface is low.

Disclosure of Invention

The utility model aims to provide a device for collecting scum on the surface of a sedimentation tank, which is used for solving the problems that a collector in the prior art is poor in working reliability, garbage on a net surface needs to be frequently cleaned, working efficiency for cleaning floating matters on the water surface is low, and leakage is easy.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a sedimentation tank surface dross collection device, includes suspension collecting vat, suspension collecting vat is by the cross-sectional internal diameter taper of top to bottom fill column structure, the top of suspension collecting vat is connected with pneumatic drive, the water inlet has been seted up along one side of its axis direction to suspension collecting vat, water inlet department sliding connection has movable weir plate, the top of movable weir plate with pneumatic drive's output fixed connection, a plurality of evenly arranged's first water hole has been seted up on the movable weir plate, suspension collecting vat bottom is provided with the exhaust pipe, a plurality of evenly arranged's second water hole has been seted up along its circumferencial direction on the exhaust pipe, be provided with the turn-ups of certain width and slope on the casing of water inlet top.

As a further scheme of the utility model: the water outlet of the discharge pipe penetrates through the shell of the suspension collecting tank and extends to the outside of the suspension collecting tank.

As a further scheme of the utility model: the highest point of the water outlet of the discharge pipeline is connected with a vacuum pump, a drain valve is arranged on the vertical pipe of the discharge pipeline, and the vacuum pump is linked with the drain valve.

As a further scheme of the utility model: the sliding direction of the movable weir plate is vertical to the water surface.

As a further scheme of the utility model: and the contact part of the movable weir plate and the shell is filled with a sealing medium.

As a further scheme of the utility model: and in the standby state of the pneumatic driver, the first water passing hole is positioned above the liquid level.

As a further scheme of the utility model: the turnup is arranged on the upstream surface of the suspension collecting tank and is used for enabling scum on the water surface to smoothly enter the suspension collecting tank.

The utility model has the beneficial effects that:

according to the floating slag collecting device on the surface of the sedimentation tank, disclosed by the utility model, a suspension mode is adopted through the suspension collecting tank, so that the collector can be better adapted to the changing liquid level; the water surface of the suspension collecting tank is provided with an inclined flanging with a certain width, so that surface scum can more smoothly enter the suspension collecting tank through the water inlet;

further, the highest point of the water outlet of the discharge pipeline is connected with the vacuum pump, the vertical pipe of the discharge pipeline is provided with the drain valve, the vacuum pump is linked with the drain valve, the situation that the discharge pipeline cannot be directly discharged when being higher than the suspension collecting tank can be met, the original tank body structure is not damaged, the pump is more energy-saving, and the vacuum pump is only required to be started for a short time when being started; because the discharge pipeline is provided with a resistance device, the discharge pipeline can rapidly discharge the scum mixed liquid in the suspension collecting tank by utilizing siphon effect, the water in the suspension collecting tank is discharged completely, and the siphon in the pipe is destroyed, so that the water discharge is automatically stopped;

further, the movable weir plate is matched with the chute mode in the suspension collecting tank, and the movable weir plate is arranged on the upstream surface, so that the sealing can be effectively enhanced by utilizing the pressure of water;

the device does not need to be intercepted by a collector and a collecting net is not arranged, so that the device does not need to be cleaned and replaced manually at regular intervals; the part in the water is not connected electrically, so that the safety of the equipment is ensured.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the whole structure of a device for collecting scum on the surface of a sedimentation tank;

FIG. 2 is a side view of a device for collecting dross on the surface of a settling tank according to the utility model;

fig. 3 is a schematic view of a discharge pipe of a surface scum collecting device of a sedimentation tank higher than a suspension collecting tank according to the present utility model.

In the figure: 1. a suspension collection tank; 101. a housing; 2. a water inlet; 3. a movable weir plate; 4. a first water passing hole; 5. a second water passing hole; 6. sealing medium; 7. a discharge pipe; 8. a pneumatic driver; 9. flanging; 10. a vacuum pump; 11. and (3) a drainage valve.

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:

1-2, the floating slag collecting device on the surface of the sedimentation tank comprises a suspension collecting tank 1, wherein the suspension collecting tank 1 adopts a suspension mode to ensure that the suspension collecting tank 1 is better adapted to a changed liquid level; a water inlet 2 is formed in one side of the suspension collecting tank 1; the suspension collecting tank 1 is of a bucket structure, the inner diameter of the cross section of the suspension collecting tank 1 is gradually reduced from top to bottom, and the water in the suspension collecting tank 1 is more conveniently and rapidly discharged; the top of the suspension collecting tank 1 is connected with a pneumatic driver 8, the pneumatic driver 8 can be connected with an electromagnetic valve, the pneumatic driver is controlled by a control system signal (not shown in the figure), the output end of the pneumatic driver 8 is connected with a movable weir plate 3, a part of the movable weir plate 3, which is in contact with the shell 101, is filled with a sealing medium 6, the movable weir plate 3 is in sealed connection with the water inlet 2, the movable weir plate 3 can slide up and down along the axial direction of the suspension collecting tank 1, the movable weir plate 3 is matched with the inside of the suspension collecting tank 1 in a chute manner, the movable weir plate 3 is arranged on the upstream surface, the sealing can be effectively enhanced by utilizing the pressure of water, a plurality of first water passing holes 4 which are uniformly arranged are formed on the upper side of the movable weir plate 3, and in a standby state of the pneumatic driver 8, the first water passing holes 4 are required to be positioned above the liquid surface, when the movable weir plate 3 descends, the first water passing holes 4 are lower than the liquid surface, and surface scum is brought into the suspension collecting tank 1 by the surface tension of water to be discharged. The bottom of the suspension collecting tank 1 is provided with a discharge pipeline 7 penetrating through the shell 101 of the suspension collecting tank 1, and a plurality of second water passing holes 5 which are uniformly arranged are formed in the discharge pipeline 7 and are used for discharging scum or impurities in the suspension collecting tank 1; a flanging 9 with a certain inclination and width is arranged along the position of the shell 101 above the water inlet 2, so that surface scum can more smoothly enter the suspension collecting tank 1 through the water inlet 2; the suspension collecting tank 1 can be arranged according to the needs, one can be arranged in the area with smaller size, a plurality of series connection modes can be adopted in the area with larger area, and when a plurality of series connection modes are arranged, parameters of the pipe and the water pump are required to be adjusted according to actual conditions.

Embodiment two:

as shown in fig. 3, a device for collecting dross on the surface of a settling tank may be arranged in a situation where the discharge pipe 7 is higher than the suspension collection tank 1. The part of the discharge pipeline 7 higher than the suspension collecting tank 1 is connected with a vacuum pump 10, a drain valve 11 is arranged on a vertical pipe of the discharge pipeline 7, and the vacuum pump 10 is linked with the drain valve 11; the vacuum pump 10 can be started by the prior programmable control technology, the vacuum pump 10 is used for pumping the liquid in the suspension collecting tank 1 to a high point when deslagging, and the drain valve 11 is in a closed state when the vacuum pump 10 is started; after the vacuum pump 10 operates for a certain time, the drain valve 11 is opened, the vacuum pump 10 is closed, a siphon effect is formed by utilizing the pressure difference in the pipeline, and the liquid slag in the suspension collecting tank 1 is discharged through the discharge pipeline 7. The embodiment has the advantages that the original pool body structure is not damaged, the energy is saved for pure pumping, and the vacuum pump 10 is started for a short time only when started; since there is no resistance device on the discharge pipe 7, the discharge pipe 7 can rapidly discharge the dross mixture in the suspension collecting tank 1 by using siphon effect. The water in the suspension collecting tank 1 is drained, the siphon in the pipe is destroyed, and the automatic drainage stopping is realized.

The utility model relates to a working principle of a device for collecting scum on the surface of a sedimentation tank, which comprises the following steps:

the water inlet 2 is arranged on one side of the suspension collecting tank 1, the suspension collecting tank 1 is of a bucket type structure, and water in the suspension collecting tank 1 is conveniently and rapidly discharged. The bottom of the suspension collecting tank 1 is provided with a discharge pipeline 7, and the discharge pipeline 7 is provided with a second water passing hole 5 for removing scum or impurities in the suspension collecting tank 1. The upper part of the movable weir plate 3 is provided with a first water passing hole 4, the first water passing hole 4 in a standby state is positioned above the liquid level, water cannot flow into the suspension collecting tank 1 through the movable weir plate 3, when surface scum needs to be removed, the pneumatic driver 8 controls the movable weir plate 3 to descend, the first water passing hole 4 is lower than the liquid level, and the surface scum is brought into the suspension collecting tank 1 to be discharged by utilizing the surface tension of the water. The water surface of the suspension collecting tank 1 is provided with an inclined flanging 9 with a certain width, which is used for enabling surface floaters to smoothly enter the suspension collecting tank 1. The suspension collecting tank 1 can be used singly or in combination, and when in combination, only the pipeline is connected in series and then connected into the water pump;

the suspension collecting tank 1 adopts a suspension mode, so that the suspension collecting tank 1 can be better adapted to the changed liquid level; the water surface of the suspension collecting tank 1 is provided with an inclined flanging 9 with a certain width, so that surface scum can more smoothly enter the suspension collecting tank 1 through the water inlet 2; the movable weir plate 3 is matched with the inside of the suspension collecting tank 1 in a chute mode, and the movable weir plate 3 is arranged on the upstream surface, so that the sealing can be effectively enhanced by using the pressure of water; the device does not need to be intercepted by a collector and a collecting net is not arranged, so that the device does not need to be cleaned and replaced manually at regular intervals; the part in the water is not connected electrically, so that the safety of the equipment is ensured.

While some embodiments of the present utility model have been described in detail, the description is only a preferred embodiment of the present utility model, and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a sedimentation tank surface dross collection device, includes suspension collecting vat (1), its characterized in that, suspension collecting vat (1) is by the transversal bucket-shaped structure that reduces gradually of the transversal internal diameter of top to the bottom, the top of suspension collecting vat (1) is connected with pneumatic driver (8), water inlet (2) have been seted up along one side of its axis direction to suspension collecting vat (1), water inlet (2) department sliding connection has movable weir plate (3), the top of movable weir plate (3) with pneumatic driver (8)'s output fixed connection, a plurality of evenly arranged first water holes (4) have been seted up on movable weir plate (3), suspension collecting vat (1) bottom is provided with discharge pipeline (7), a plurality of evenly arranged second water holes (5) have been seted up along its circumferencial direction on discharge pipeline (7), be provided with turn-ups (9) of certain width and slope on casing (101) of water inlet (2) top.

2. A sedimentation tank surface scum collection device according to claim 1, characterized in that the water outlet of the discharge pipe (7) extends through the housing (101) of the suspension collection tank (1) and outside the suspension collection tank (1).

3. The sedimentation tank surface scum collection device according to claim 1, wherein a vacuum pump (10) is connected to the highest point of the water outlet of the discharge pipeline (7), a drain valve (11) is arranged on the vertical riser pipe of the discharge pipeline (7), and the vacuum pump (10) is linked with the drain valve (11).

4. A sedimentation tank surface scum collection device according to claim 1, characterized in that the sliding direction of the movable weir plate (3) is perpendicular to the water surface.

5. A sedimentation tank surface scum collection device according to claim 1, characterized in that the contact point of the movable weir plate (3) with the housing (101) is filled with sealing medium (6).

6. A sedimentation tank surface scum collection device according to claim 1, characterized in that the first water passing hole (4) is above the liquid surface in the standby state of the pneumatic drive (8).

7. A sedimentation tank surface scum collecting device according to claim 1, characterized in that the flange (9) is arranged on the water-facing surface of the suspension collecting tank (1) for smoother entering of scum on the water surface into the suspension collecting tank (1).