CN216997854U

CN216997854U - Reaction device for treating garbage leakage liquid

Info

Publication number: CN216997854U
Application number: CN202220651996.2U
Authority: CN
Inventors: 谈留平; 黄广宇; 王彬; 朱安翔
Original assignee: Yangzhou Taida Environmental Protection Co ltd
Current assignee: Yangzhou Taida Environmental Protection Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-19
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a reaction device for treating garbage leakage liquid, which belongs to the field of garbage treatment and comprises a rectangular reaction tank, wherein the rectangular reaction tank is divided into a left DAT-IAT reaction area and a right DAT-IAT reaction area by a transverse partition wall, the DAT-IAT reaction areas are divided into a DAT tank and an IAT tank by a longitudinal partition wall, the top of the front side of the DAT tank is provided with a water inlet, the lower side of the middle part of the longitudinal partition wall is provided with a connecting hole, the rear side of the longitudinal partition wall is provided with an inverted L-shaped guide plate for shielding the connecting hole, the rear side of the IAT tank is provided with a water outlet, the middle part of the bottom side of the DAT tank is provided with a first aerator, the middle part of the bottom side of the IAT tank is provided with a second aerator, the rear side of the second aerator is provided with a sludge pump, and the middle part of the rear side of the IAT tank is provided with a decanter. The reaction device for treating the garbage leakage liquid has the advantages of compact structural design, strong treatment capacity, stable and reliable working and operation and the like.

Description

Reaction device for treating garbage leakage liquid

Technical Field

The utility model relates to the technical field of garbage treatment, in particular to a reaction device for treating garbage leakage liquid.

Background

Along with the development of national economy and the improvement of the living standard of people, the garbage output of China reaches hundreds of millions of tons, and the aims of solving the garbage problem are garbage volume reduction, garbage reduction, resource recycling and harmless treatment. The landfill leachate is used as a secondary pollutant generated in the process of garbage treatment and becomes the most important pollution source of underground water, so a series of process treatments must be carried out on the landfill leachate to ensure that the emission of the landfill leachate reaches the national standard.

Among them, the DAT-IAT process is a new form of improvement and development of the SBR process. The main reaction device of the DAT-IAT process is formed by connecting a continuous aeration tank (DAT) and an Intermittent Aeration Tank (IAT) in series. Wherein, the DAT tank is a pre-reaction tank, also called a continuous aeration zone, water flow in the tank is in a completely mixed flow state, and most organic matters are degraded in the tank. The IAT pond is equivalent to a conventional SBR pond, but the influent water is continuous flow. After the effluent of the DAT tank continuously flows into the IAT tank, the procedures of reaction, precipitation, effluent, sludge discharge and the like are completed in the IAT tank. In the prior art, in the DAT-IAT process, a DAT pool and an IAT pool are of independent structures, so that the occupied area is large, the structural design is complex, the treatment scale is limited, and the use requirement of a large-scale garbage leakage liquid factory cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reaction device for treating garbage leachate, which has the advantages of simple structure, compact layout, stable operation and good treatment effect.

The purpose of the utility model is realized as follows: the utility model provides a reaction unit for rubbish leakage liquid is handled, including the rectangle reaction tank, the rectangle reaction tank divides into about two DAT-IAT reaction zones through horizontal partition wall, DAT-IAT reaction zone divides into DAT pond and IAT pond through vertical partition wall, DAT pond front side top is equipped with the water inlet, vertical partition wall middle part downside is equipped with the connecting hole, vertical partition wall rear side is equipped with the type of falling L guide plate that shelters from the connecting hole, IAT pond rear side is equipped with the delivery port, DAT pond bottom side middle part is equipped with first aerator, IAT pond bottom side middle part is equipped with the second aerator, the second aerator rear side is equipped with the dredge pump, IAT pond rear side middle part is equipped with the hydrophone of decanting. The reaction device for treating the garbage leachate has the advantages of compact structural design, strong treatment capacity, stable and reliable working operation and the like.

As a further improvement of the utility model, the first aerator and the second aerator are respectively provided with an air pipe which vertically extends to the upper edge of the rectangular reaction tank, the upper end of the air pipe is provided with a clarifying valve, and the tail end of the air pipe is connected with a silencer, thereby reducing the running noise of the equipment and improving the working environment of operation.

As a further improvement of the utility model, the upper edge of the rectangular reaction tank is provided with an inward wide edge, and the upper end of the air pipe is fixed in the wide edge, so that the structure is more stable.

As a further improvement of the utility model, the water outlet comprises a first water outlet communicated with the decanter and a second water outlet arranged at the upper part of the rear side of the IAT tank, thereby improving the supernatant discharge efficiency.

As a further improvement of the utility model, the number of the second water outlets is multiple, and the second water outlets are arranged at different heights, so that the supernatant discharge efficiency is further improved.

As a further improvement of the utility model, the water inlet is connected with the water outlet of the UASB reaction tank through a water inlet pipeline, and the sludge pump is connected with the sludge concentration tank through a sludge discharge pipe, thereby forming a complete garbage leachate treatment system.

As a further improvement of the utility model, the number of the second aerators and the decanters is 2, thus improving the treatment efficiency of the IAT tank.

Drawings

FIG. 1 is a schematic view of a reaction apparatus for treating a leachate of garbage according to the present invention.

Fig. 2 is a view a-a of fig. 1.

Fig. 3 is a view B-B of fig. 1.

The system comprises a transverse partition wall 1, a longitudinal partition wall 2, a 3 DAT tank, a 4 IAT tank, a water inlet pipeline 5, a first aerator 6, a connecting hole 7, a guide plate 8, a second aerator 9, a sludge discharge pump 10, a decanter 11, a water outlet 12, a sludge discharge pipe 13, an air pipe 14, a water discharge valve 15, a silencer 16, a wide edge 17 and an overflow pipe 18.

Detailed Description

The reaction device for treating the garbage leachate as shown in fig. 1 to 3 comprises a rectangular reaction tank. The rectangular reaction tank is divided into a left DAT-IAT reaction zone and a right DAT-IAT reaction zone by a transverse partition wall 1, and the DAT-IAT reaction zone is divided into a DAT tank 3 and an IAT tank 4 by a longitudinal partition wall 2.

The top of the front side of the DAT pool 3 is provided with a water inlet which is connected with a water outlet of the UASB reaction pool through a water inlet pipeline 5. The middle part of the bottom side of the DAT tank 3 is provided with a first aerator 6 to realize continuous aeration reaction in the DAT tank 3. An overflow pipe is connected to the top of the front side of the DAT pool 3 to prevent the excessive water inflow of the DAT pool 3.

The lower side of the middle part of the longitudinal partition wall 2 is provided with a connecting hole 7, and the rear side of the longitudinal partition wall 2 is provided with an inverted L-shaped guide plate 8 for shielding the connecting hole 7. So that the mixed liquor treated by the DAT pool 3 continuously enters the IAT pool 4 through the connecting hole 7. Due to the arrangement of the guide plate 8, the disturbance of water entering the connecting hole 7 to sludge at the bottom of the IAT tank 4 is reduced to the maximum extent, and the sludge sedimentation efficiency in the IAT tank 4 is improved.

The middle part of the bottom side of the IAT tank 4 is provided with second aerators 9 for intermittent aeration reaction, and the number of the second aerators 9 is 2 in order to ensure the reaction efficiency of the whole system. Correspondingly, 2 decanters 11 are correspondingly arranged in the middle of the rear side of the IAT tank 4, and supernatant is discharged without stirring sediment. The rear side of the IAT tank 4 is provided with a water outlet 12, the water outlet 12 comprises a first water outlet communicated with the decanter 11 and a second water outlet arranged at the upper part of the rear side of the IAT tank 4, wherein the number of the second water outlets 12 can be multiple and are arranged at different heights, and the supernatant discharge efficiency is further improved. A sludge discharge pump 10 is arranged at the rear side of the second aerator 9 and is used for discharging the settled sludge. The sludge pump 10 is connected with the sludge concentration tank through a sludge discharge pipe 13. The sludge discharge pipe 13 includes an inner sludge discharge pipe vertically connected to the sludge discharge pump 10 and an outer sludge discharge pipe connected to the inner sludge discharge pipe.

As shown in fig. 3, the first aerator 6 and the second aerator 9 are provided with air pipes 14 extending vertically to the upper edge of the rectangular reaction tank, and the upper ends of the air pipes 14 are provided with valves 15 for facilitating air intake regulation. The tail end of the air pipe 14 is connected with a silencer 16, so that the running noise of the equipment is reduced, and the working environment of the equipment is improved. The upper edge of the rectangular reaction tank is provided with an inward wide edge 17, and the upper end of the air pipe 14 is fixed in the wide edge 17, so that the structure is more stable. Similarly, the upper end of the inner sludge discharge pipe vertically connected with the sludge discharge pump 10 passes through the wide edge 17 to be connected with the outer sludge discharge pipe, so as to enhance the structural stability.

The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims

1. The utility model provides a reaction unit for rubbish leakage liquid is handled, includes rectangle reaction tank, its characterized in that: the DAT-IAT reaction zone is divided into a DAT pool and an IAT pool by a longitudinal partition wall, a water inlet is formed in the top of the front side of the DAT pool, a connecting hole is formed in the lower side of the middle of the longitudinal partition wall, an inverted L-shaped guide plate for shielding the connecting hole is arranged on the rear side of the longitudinal partition wall, a water outlet is formed in the rear side of the IAT pool, a first aerator is arranged in the middle of the bottom side of the DAT pool, a second aerator is arranged in the middle of the bottom side of the IAT pool, a sludge discharge pump is arranged on the rear side of the second aerator, and a water decanter is arranged in the middle of the rear side of the IAT pool.

2. The reactor device for the treatment of refuse leachate according to claim 1, characterized in that: the first aerator and the second aerator are respectively provided with an air pipe which vertically extends to the upper edge of the rectangular reaction tank, the upper end of the air pipe is provided with a flow valve, and the tail end of the air pipe is connected with a silencer.

3. The reactor device for the treatment of refuse leachate according to claim 2, characterized in that: the upper edge of the rectangular reaction tank is provided with an inward wide edge, and the upper end of the air pipe is fixed in the wide edge.

4. The reactor device for the treatment of refuse leachate according to claim 1, characterized in that: the water outlet comprises a first water outlet communicated with the decanter and a second water outlet arranged at the upper part of the rear side of the IAT tank.

5. The reactor device for the treatment of refuse leachate according to claim 4, characterized in that: the number of the second water outlets is multiple and the second water outlets are arranged at different heights.

6. A reactor device for the treatment of refuse leachate according to any of claims 1 to 5, characterized in that: the water inlet is connected with the UASB reaction tank water outlet through a water inlet pipeline, and the sludge discharge pump is connected with the sludge concentration tank through a sludge discharge pipe.

7. A reactor device for the treatment of refuse leachate according to any of claims 1 to 5, characterized in that: the number of the second aerators and the number of the water decanters are 2.