CN211462211U

CN211462211U - Floating decanter

Info

Publication number: CN211462211U
Application number: CN201921753958.2U
Authority: CN
Inventors: 潘庆权; 梁元廷; 邵浩轩; 韩铖
Original assignee: Jiangsu Tianyu Environmental Protection Group Co ltd
Current assignee: Jiangsu Tianyu Environmental Protection Group Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-09-11
Anticipated expiration: 2029-10-18

Abstract

The utility model provides a floating decanter, including support, flotation pontoon, weir groove, fluid-discharge tube, hose, motor, first sensor, second sensor and controller, still include the air pump, be equipped with air inlet and gas vent on the flotation pontoon, still be equipped with first solenoid valve and second solenoid valve. The first sensor and the second sensor measure the density of the liquid at different heights of the upper layer of the liquid. When the density difference of the liquid measured by the first sensor and the second sensor is larger, sediment turbid liquid is arranged below the weir trough, and the motor works to enable the buoy and the weir trough not to descend any more. According to the density of the liquid, the air inlet and the air outlet of the buoy are adjusted, the floating height of the buoy is adjusted to be kept in a proper range, and the stable distance between the weir notch and the liquid level is ensured. The utility model relates to a rationally, can enough avoid inhaling precipitate turbid liquid, can adjust the flotation pontoon again and guarantee that the weir notch is stable from the distance of liquid level, avoid surperficial floater by inspiratory problem.

Description

Floating decanter

Technical Field

The utility model belongs to the technical field of sewage treatment device, concretely relates to floating hydrophone of straining.

Background

The decanter is an indispensable device in current sewage treatment, mainly realizes to decant clear water in the sedimentation tank, and does not stir sediment at the bottom of the sedimentation tank. The types of decanter mainly used at present include siphon decanter, rotary decanter, self-floating decanter and mechanical decanter, wherein the self-floating decanter is widely used. However, in the practical process, there are some problems, such as the weir groove of the decanter continuously descends along with the descending of the liquid level during the decanting process, the clear water of the sedimentation tank is already decanted, the upper layer in the sedimentation tank is sediment turbid liquid, and the sediment turbid liquid is easily discharged through the weir groove at this time. In addition, the densities of different liquids discharged into the sedimentation tank are different, and the densities of the liquids in the sedimentation tank can be changed along with the discharge of the liquids, when the densities of the liquids in the sedimentation tank are too high, the floating pontoon can be caused to float, so that the distance between the notch of the weir and the liquid surface is too small, and the floating materials on the liquid surface can be discharged along with the suction force of the liquid inlet in the process of decanting the water.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem provide a floating hydrophone of straining, the device can enough avoid inhaling sediment turbid liquid, can adjust the flotation pontoon again and guarantee that the weir notch is stable from the distance of liquid level.

The technical scheme of the utility model is that: a floating decanter comprises a bracket, a float bowl, a weir trough, a liquid discharge pipe, a hose, a motor, a first sensor, a second sensor and a controller;

the supports are vertical, and the tops of the two supports are fixedly connected through a cross rod; the weir groove is of a cuboid upper opening structure and is slidably arranged between the two brackets; the front side surface and the rear side surface of the weir groove are respectively and symmetrically fixedly provided with a buoy; the height of the floating barrel is higher than that of the weir notch;

a liquid outlet is formed in the bottom of the weir groove and connected with a liquid discharge pipe through a hose;

the motor is fixedly arranged on the cross rod; the top of the buoy is provided with a lifting lug which is connected with the output end of the motor through a rope;

the first sensor is used for measuring the liquid density of a higher liquid level; the second sensor is used for measuring the liquid density of the lower liquid level;

the controller is connected with the motor, the first sensor and the second sensor.

In the scheme, the bottom of the float bowl is provided with an air inlet, and the top of the float bowl is provided with an air outlet; the exhaust port of the exhaust port is also provided with a second electromagnetic valve;

the device also comprises an air pump; the air outlet and the air inlet of the air pump are connected through a pipeline, and a first electromagnetic valve is further arranged on the pipeline between the air outlet and the air inlet of the air pump;

the bottom of the floating cylinder is also provided with a floating cylinder liquid inlet;

the air pump, the first electromagnetic valve and the second electromagnetic valve are connected with the controller.

In the scheme, a liquid inlet connected with a liquid outlet is formed in the weir groove; the liquid inlet is lower than the weir groove;

furthermore, a filter screen is arranged on the liquid inlet.

In the scheme, a winch is installed on the output end of the motor;

a hanging rod is also arranged; the two lifting lugs are respectively connected to two ends of the lifting rod through ropes; the suspension rod is connected with the winch through a rope.

In the scheme, one end of the hose is fixedly connected to the liquid discharge port through the hoop; the other end of the hose is fixedly connected to the liquid discharge pipe through a hoop.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a floating hydrophone of straining is equipped with motor, first sensor and second sensor, and first sensor is used for measuring the liquid density of higher liquid level, the second sensor is used for measuring the liquid density of lower liquid level. At the initial stage of the operation of the floating decanter, the decanter mainly decants the supernatant water of the sedimentation tank until the lower part of the weir trough is no longer the supernatant water but the sediment turbid liquid, the liquid density difference measured by the first sensor and the second sensor is greater than a set value, at the moment, the rope on the winch of the motor pulls the pontoon, and the phenomenon that the weir trough continues to descend to enable the sediment turbid liquid to enter the weir trough is avoided.

2. The utility model provides a floating decanter is equipped with the air pump, is equipped with air inlet, gas vent on the flotation pontoon to and first solenoid valve and second solenoid valve, the air pump passes through the pipeline and is connected with the flotation pontoon. The density of liquid is measured through the first sensor, and according to the density of liquid, the flotation pontoon is adjusted and is admitted air and exhaust, adjusts the superficial height of flotation pontoon and keeps in suitable scope, guarantees promptly that the weir notch is stable apart from the distance of liquid level. When the density of the liquid in the sedimentation tank is too high, the floating barrel can float upwards, so that the distance between the notch of the weir and the liquid level is too small, and the floating objects on the liquid level can be discharged along with the suction force of the liquid inlet in the process of decanting the water. In this way, it is avoided that floating objects on the liquid surface may be sucked in.

3. The utility model provides a floating decanter, install the filter screen on the inlet, further avoid the floater of liquid level and the suspended solid in the liquid to be discharged through the filter screen.

4. The utility model provides a floating hydrophone of straining, the inside inlet that is connected with the leakage fluid dram that is equipped with of weir groove, the inlet is less than the level of weir groove, and the inlet is higher than weir groove bottom, at the in-process of straining water, can not produce to mix in the sedimentation tank. In this way, it is avoided that part of the sediment that may be present in the weir trough is discharged.

Drawings

FIG. 1 is a front view of a floating decanter provided by the present invention;

FIG. 2 is a side view of the floating decanter provided by the present invention;

fig. 3 is a partial structure diagram of the floating water decanter provided by the present invention.

Wherein, 1, a bracket; 2. a cross bar; 3. a float bowl; 4. a weir trough; 5. a motor; 6. a winch; 7. a boom; 8. lifting lugs; 9. A liquid inlet of the buoy; 10. an air inlet; 11. an exhaust port; 12. a first solenoid valve; 13. a second solenoid valve; 14. an air pump; 16. Filtering with a screen; 17. a liquid discharge port; 18. a liquid discharge pipe; 19. a hose; 20. a first sensor; 21. a second sensor; 22. a controller; 23. and (4) a liquid inlet.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description of the drawings, but the scope of the invention is not limited thereto.

As shown in fig. 1, fig. 2 and fig. 3, fig. 1 is a front view of the floating water decanter provided by the present invention, fig. 2 is a side view of the floating water decanter provided by the present invention, and fig. 2 is a side view of the floating water decanter provided by the present invention. A floating decanter comprises a bracket 1, a float 3, a weir trough 4, a liquid discharge pipe 18, a hose 19, a motor 5, a first sensor 20, a second sensor 21 and a controller 22;

the supports 1 are vertical, and the tops of the two supports 1 are fixedly connected through a cross rod 2; the weir notch 4 is of a cuboid upper opening structure, and the weir notch 4 is slidably arranged between the two brackets 1; the front side and the rear side of the weir notch 4 are symmetrically and fixedly provided with buoys 3; the height of the buoy 3 is higher than that of the weir trough 4; when the liquid level changes in the sedimentation tank, the buoy 3 drives the weir notch 4 to ascend and descend, part of the buoy 3 floats out of the liquid level, and the notch of the weir notch 4 is lower than the liquid level and is completely immersed in the liquid.

The bottom of the weir trough 4 is provided with a liquid outlet 17, and the liquid outlet 17 is connected with a liquid outlet pipe 18 through a hose 19. The clarified water enters the weir trough 4, passes through the discharge port 17 and the hose 19, and is finally discharged from the discharge pipe 18.

Preferably, one end of the hose 19 is fixedly connected to the liquid discharge port 17 through a hoop; the other end of hose 19 is fixedly connected to drain pipe 18 via a hoop. One end of the hose 19 fixed to the drain port 17 is lifted and lowered in accordance with the lifting and lowering of the weir trough 4.

The motor 5 is fixedly arranged on the cross rod 2; lifting lugs 8 are installed at the top of the floating barrel 3, the lifting lugs 8 are connected with the output end of the motor 5 through a rope, and the motor 5 can drive the floating barrel 3 to lift.

Preferably, a winch 6 is installed on the output end of the motor 5;

a suspender 7 is also arranged; the two lifting lugs 8 are respectively connected to two ends of the suspender 7 through ropes; the boom 7 is connected with the winch 6 through a rope.

The first sensor 20 is used to measure the density of the liquid at a higher level; the second sensor 21 is used for measuring the density of the liquid at a lower liquid level;

preferably, the first sensor 20 is mounted above the side of the pontoon 3 and the second sensor 21 is mounted below the weir trough 4.

The controller 22 is connected with the motor 5, the first sensor 20 and the second sensor 21, the controller 22 controls whether the motor 5 works, and the first sensor 20 and the second sensor 21 measure the liquid density signal and transmit the liquid density signal to the controller 22. The first sensor 20 and the second sensor 21 measure the liquid density at different heights of the upper layer of the liquid. When the densities of the liquid measured by the first sensor 20 and the second sensor 21 are substantially consistent, the upper layer of the liquid is clear water. When the first sensor 20 and the second sensor 21 measure that the liquid densities are greatly different, which indicates that the sediment turbid liquid is below the weir trough 4, the motor 5 works so that the buoy 3 and the weir trough 4 do not descend any more.

The bottom of the float bowl 3 is provided with an air inlet 10, and the top of the float bowl 3 is provided with an air outlet 11; and the exhaust port of the exhaust port 11 is also provided with a second electromagnetic valve 13, and the on-off of the second electromagnetic valve 13 controls whether the buoy 3 exhausts air or not.

An air pump 14 is also included; the air outlet of the air pump 14 is connected with the air inlet 10 through a pipeline, a first electromagnetic valve 12 is further arranged on the pipeline between the air outlet of the air pump 14 and the air inlet 10, and the switch of the first electromagnetic valve 12 controls whether the buoy 3 is inflated or not.

The bottom of the float 3 is also provided with a float liquid inlet 9. Liquid will enter from the float bowl liquid inlet 9 at the same time as the opening and closing of the second solenoid valve 13 controls the float bowl 3 to vent.

The air pump 14, the first electromagnetic valve 12 and the second electromagnetic valve 13 are connected with a controller 22.

The density of the liquid is measured by the first sensor 20, the air inlet and the air outlet of the float 3 are adjusted according to the density of the liquid, and the floating height of the float 3 is adjusted to be kept in a proper range, namely, the distance between the weir notch 4 and the liquid level is ensured to be stable. When the density of the liquid in the sedimentation tank is too high, the floating pontoon 3 floats upwards, so that the distance between the notch of the weir notch 4 and the liquid surface is too small, and the floating materials on the liquid surface can be discharged together in the process of decanting the water. In this way, it is avoided that floating objects on the liquid surface may be sucked in.

A liquid inlet 23 connected with the liquid outlet 17 is arranged in the weir notch 4; the liquid inlet 23 is lower than the level of the weir notch 4, and the liquid inlet 23 is higher than the bottom of the weir notch 4, so that the stirring in the sedimentation tank can not be generated in the decanting process. In the above manner, it is avoided that part of the sediment that may be present in the weir trough 4 is discharged.

A filter screen 16 is arranged on the liquid inlet 23, and the filter screen 16 further prevents floating objects on the liquid level and suspended matters in the liquid from being discharged

Through the mode, the device can avoid sucking sediment turbid liquid, can adjust the buoy again to guarantee that the weir notch is stable from the distance of liquid level, avoids surperficial floater by inspiratory problem.

It is to be understood that while the invention has been described in terms of various embodiments, it is not intended that each embodiment be construed as a separate embodiment, but rather that the description be construed in a manner that will be obvious to those skilled in the art, and that the invention will include all embodiments falling within the scope of the appended claims.

The above detailed description is only for the purpose of illustrating the feasible embodiments of the present invention, and is not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. A floating decanter is characterized by comprising a bracket (1), a float bowl (3), a weir trough (4), a liquid discharge pipe (18), a hose (19), a motor (5), a first sensor (20), a second sensor (21) and a controller (22);

the supports (1) are vertical, and the tops of the two supports (1) are fixedly connected through a cross rod (2); the weir notch (4) is of a cuboid structure with an upper opening, and the weir notch (4) is slidably arranged between the two brackets (1); the front side surface and the rear side surface of the weir trough (4) are symmetrically and fixedly provided with buoys (3); the height of the buoy (3) is higher than that of the weir trough (4);

a liquid discharge port (17) is formed in the bottom of the weir notch (4), and the liquid discharge port (17) is connected with a liquid discharge pipe (18) through a hose (19);

the motor (5) is fixedly arranged on the cross rod (2); a lifting lug (8) is installed at the top of the buoy (3), and the lifting lug (8) is connected with the output end of the motor (5) through a rope;

the first sensor (20) is used for measuring the density of the liquid at a higher liquid level; the second sensor (21) is used for measuring the liquid density of the lower liquid level;

the controller (22) is connected with the motor (5), the first sensor (20) and the second sensor (21).

2. A floating decanter as claimed in claim 1, characterized in that the bottom of the pontoon (3) is provided with an air inlet (10), and the top of the pontoon (3) is provided with an air outlet (11); the exhaust port of the exhaust port (11) is also provided with a second electromagnetic valve (13);

also comprises an air pump (14); an air outlet of the air pump (14) is connected with the air inlet (10) through a pipeline, and a first electromagnetic valve (12) is further arranged on the pipeline between the air outlet of the air pump (14) and the air inlet (10);

the bottom of the floating barrel (3) is also provided with a floating barrel liquid inlet (9);

the air pump (14), the first electromagnetic valve (12) and the second electromagnetic valve (13) are connected with a controller (22).

3. A floating decanter as claimed in claim 1, characterized in that said weir trough (4) is internally provided with a liquid inlet (23) connected to a liquid outlet (17); the liquid inlet (23) is lower than the weir notch (4).

4. A floating decanter as claimed in claim 3, characterized in that a filter screen (16) is mounted on said liquid inlet (23).

5. A floating decanter as claimed in claim 1, characterized in that a winch (6) is mounted on the output of the motor (5);

a suspender (7) is also arranged; the two lifting lugs (8) are respectively connected to two ends of the suspender (7) through ropes; the suspension rod (7) is connected with the winch (6) through a rope.

6. A floating decanter as claimed in claim 1, characterized in that one end of the hose (19) is fixedly connected to the drain outlet (17) by means of a hoop; the other end of the hose (19) is fixedly connected to the liquid discharge pipe (18) through an anchor ear.