CN218951076U

CN218951076U - Water curtain type air floatation device

Info

Publication number: CN218951076U
Application number: CN202223606129.6U
Authority: CN
Inventors: 李捷; 李标; 喻正海
Original assignee: Hubei Furen Jinshen Pharmaceutical Co ltd
Current assignee: Hubei Furen Jinshen Pharmaceutical Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-02
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a water curtain type air floatation device, and belongs to the technical field of environmental protection. The device comprises a plurality of explosion gas tanks which are longitudinally arranged at intervals, wherein both sides of each explosion gas tank are provided with a foam collecting tank, and the bottom of each explosion gas tank is provided with a sewer pipe; the water receiving inner pool with the bottom sealed is arranged in the explosion pool and comprises a water receiving bucket and an exhaust net positioned below the water receiving bucket. The utility model has the advantages of effectively reducing the alcohol content in the waste gas, and the like.

Description

Water curtain type air floatation device

Technical Field

The utility model provides a water curtain formula air supporting device belongs to environmental protection technical field, relates to a processing system before industrial waste water microorganism decomposes.

Background

The existing air floatation equipment adopts a pressurized air dissolution mode, has high energy consumption and poor deslagging effect, mainly comprises the steps that in the continuous air floatation process, a drain pipe is directly connected with an air floatation tank, and a certain amount of air dissolution still exists in the discharged wastewater, so that part of floccules are not floated upwards; in addition, in the wastewater treatment process of pharmaceutical enterprises, the wastewater contains a certain amount of alcohol, and the existence of the alcohol has an inhibition effect on biological bacteria in the biological decomposition process, so that the biological degradation efficiency and quality are reduced.

Disclosure of Invention

The utility model aims to solve the problems existing in the prior art and provides a water curtain type air floatation device, and the technical problem to be solved by the utility model is how to realize natural gas dissolution through high ground fall.

The aim of the utility model can be achieved by the following technical scheme: the water curtain type air floatation device is characterized by comprising a plurality of air explosion tanks which are longitudinally arranged at intervals, wherein both sides of each air explosion tank are provided with air foam collecting tanks, and the bottom of each air explosion tank is provided with a sewer pipe; the water receiving inner pool with the bottom sealed is arranged in the explosion pool and comprises a water receiving bucket and an exhaust net positioned below the water receiving bucket.

Further, the exhaust net is in a convex curved surface shape.

Further, a slag discharging pipe is connected between the gas foam collecting tanks positioned on the same side, and inlets corresponding to the gas foam collecting tanks are arranged on the slag discharging pipe.

The water curtain type air floatation device adopts a natural air dissolution mode, avoids the use of pressurized air dissolution equipment, and can effectively volatilize alcohol by increasing the volatilization area and frequency.

Drawings

Fig. 1 is a schematic diagram of the structure of the present processing system.

Fig. 2 is a schematic structural view of a multistage settling tower.

Fig. 3 is a schematic structural view of a water curtain type air floatation device.

Fig. 4 is a schematic perspective view of two explosion cells.

Fig. 5 is a schematic perspective view of a precipitation unit.

Fig. 6 is an enlarged view of a portion a in fig. 2.

Fig. 7 is an enlarged view of a portion B in fig. 3.

In the figure, 11, a tower body; 12. a water inlet pipe; 13. a water outlet pipe; 14. a precipitation barrel; 15. a water collecting cone; 16. a mud pipe; 17. a mounting plate; 18. a gas collecting tube; 2. an anti-floating cover; 31. a gas explosion pool; 32. a head collection tank; 33. a water supply pipe; 34. a slag discharge pipe; 4. a water receiving inner pool; 41. a water receiving bucket; 42. an exhaust net.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-7, the treatment system before microbial decomposition of industrial wastewater comprises a multi-stage sedimentation tower and a water curtain type air floatation device, wherein the multi-stage sedimentation tower comprises a tower body 11, a water inlet pipe 12, a water outlet pipe 13 and a plurality of sedimentation units longitudinally distributed in the tower body 11, the sedimentation units comprise a sedimentation barrel 14 with an opening at the upper end and a water collecting cone 15 positioned below the sedimentation barrel 14, the large diameter end of the water collecting cone 15 faces upwards, the diameter of the large diameter end of the water collecting cone 15 is larger than the outer diameter of the sedimentation barrel 14, the diameter of the small diameter end of the water collecting cone 15 is smaller than the inner diameter of the sedimentation barrel 14, the water outlet end of the water inlet pipe 12 is positioned in the sedimentation barrel 14 of the uppermost sedimentation unit, a mud discharging pipe 16 is arranged at the bottom of the sedimentation barrel 14, the inner wall of the water collecting cone 15 is fixedly connected with the inner wall of the tower body 11 through a hollow mounting plate 17, a gas collecting pipe 18 is arranged at the top of the tower body 11, and the water collecting cone 15 of the lowermost sedimentation unit is connected with the water outlet pipe 13;

the water curtain type air floatation device comprises a plurality of air explosion tanks 31 which are longitudinally arranged at intervals, two sides of each air explosion tank 31 are provided with air foam collecting tanks 32, and the bottom of each air explosion tank 31 is provided with a water pipe 33;

valves are arranged on the sewer pipe 33 and the mud discharging pipe 16;

the treatment system also comprises a water pump which sends the water discharged by the water outlet pipe 13 into the aeration tank 31 at the top of the water curtain type air floatation device.

After the industrial wastewater is intercepted and filtered by the primary grating, the industrial wastewater is sent into a precipitation barrel 14 of the topmost precipitation unit, is precipitated by each precipitation unit from top to bottom, and is discharged from a water outlet pipe 13. In the sedimentation process, the water supply speed is required to be gentle, the wastewater above the overflow sedimentation barrel 14 flows into the water collection cone 15 below the overflow sedimentation barrel 14 along the upper edge of the sedimentation barrel 14, enters the next sedimentation barrel 14 under the guiding action of the water collection cone 15, and the like, the wastewater collected by the last water collection cone 15 is recovered, the substances such as sludge deposited at the bottom of the sedimentation barrel 14 are discharged out of the tower body 11 through the sludge discharge pipes 16, and each sludge discharge pipe 16 is connected in parallel to a main pipe, so that the sludge is recovered by the main pipe.

The tower type precipitation can collect waste gas containing alcohol, avoid waste gas pollution, greatly increase the volatilization area, improve the volatilization efficiency of alcohol volatile substances, reduce the alcohol content in the waste water, and also greatly reduce the occupation area of the waste water precipitation equipment.

The wastewater from the water collecting cone 15 at the bottom is sent into the gas explosion pool 31 at the top after coagulant and other auxiliary agents are added, the natural water curtain is adopted for air floatation and deslagging, air is dissolved in the process of dropping and impacting the wastewater, and then the air floatation effect is formed on the wastewater by dissipation.

In the air floatation process, the water draining speed of the water draining pipe 33 is required to be consistent with the water inlet speed of the water inlet pipe 12, and the liquid level in the air blasting tank 31 is required to be maintained to be close to the full tank, so that scum in the air floatation process can enter the foam collecting tank 32 from two sides.

The water inlet pipe 12 passes through all the water collecting cones 15 and all the settling tanks 14 from bottom to top.

The outer wall of the water inlet pipe 12 is fixedly provided with an anti-floating cover 2 positioned in the sedimentation tank 14, the anti-floating cover 2 is cone-shaped, the large diameter end of the anti-floating cover 2 faces downwards, and the diameter of the large diameter end of the anti-floating cover 2 is smaller than the inner diameter of the sedimentation tank 14. The anti-floating cover 2 can reduce the upward flow of sediment in the water flow impact process, and improve the sediment efficiency and effect.

The water-receiving inner tank 4 with a bottom is arranged in the explosion tank 31, the water-receiving inner tank 4 comprises a water-receiving bucket 41 and an exhaust net 42 positioned below the water-receiving bucket 41, and the exhaust net 42 is in a convex curved surface shape. The position that waste water got into is the water receiving fill 41 of water receiving inner pool 4, water receiving fill 41 upper end is big, the molding that the lower extreme is little forms an irreversible structure to gas, promptly the waste water that dissolves the gas is after getting into water receiving fill 41, because of the impact of rivers and the gradual shrink of water receiving fill 41 bore reason, the bubble is difficult to upwards escape from water receiving fill 41, but can be washed into exhaust net 42 department, exhaust net 42 is the curved surface of evagination, there is the condition that the bubble was escaped from bottom to top, make the bubble can remain in the aquatic as far as possible, and escape from water receiving inner pool 4 outside, under the guide effect of water receiving fill 41 outer wall, the gas foam can be to the gas foam collecting vat 32 direction collection of water receiving fill 41 both sides.

A slag discharging pipe 34 is connected between the gas foam collecting tanks 32 positioned on the same side, and inlets corresponding to the gas foam collecting tanks 32 are arranged on the slag discharging pipe 34.

The air floatation structure can also increase the evaporation area of the wastewater, improve the alcohol volatilization efficiency and reduce the alcohol content in the wastewater.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The water curtain type air floatation device is characterized by comprising a plurality of air explosion tanks (31) which are longitudinally arranged at intervals, wherein both sides of each air explosion tank (31) are provided with a foam collecting tank (32), and the bottom of each air explosion tank (31) is provided with a sewer pipe (33);

the water-receiving inner tank (4) with a bottom is arranged in the explosion tank (31), and the water-receiving inner tank (4) comprises a water-receiving bucket (41) and an exhaust net (42) positioned below the water-receiving bucket (41).

2. A water curtain air flotation device according to claim 1, characterized in that the exhaust screen (42) is convexly curved.

3. A water curtain air flotation device according to claim 1, characterized in that a slag discharge pipe (34) is connected between the gas foam collecting tanks (32) on the same side, and the slag discharge pipe (34) is provided with inlets corresponding to the gas foam collecting tanks (32).