CN219433282U - Refuse leachate return incinerator incineration system - Google Patents

Abstract

The utility model discloses a refuse leachate returning incineration system which mainly comprises a refuse pit, a raw liquid pool, a sedimentation tank, a jet pump and a jet head; the bottom of the garbage pit is connected with a raw material pool through a first-level filter screen, a second-level filter screen is arranged between the raw material pool and a sedimentation tank, the raw material pool is connected with the sedimentation tank through an overflow pipe, the lower part of the sedimentation tank is connected with a jet pump through a pipeline provided with a check valve, the jet pump is connected with a spray head through a jet pipe, a compressed air inlet pipe with the check valve is arranged on the jet pipe, and the air inlet pipe is connected with an air compression station.

Description

Refuse leachate return incinerator incineration system

Technical Field

The utility model relates to the field of garbage wastewater incineration, in particular to a garbage leachate return incinerator incineration system.

Background

The water contained in the garbage itself and other water in the stacking process degrade the garbage to form a high concentration organic or inorganic wastewater, which is called garbage leachate. The property of the landfill leachate depends on factors such as the components of the garbage, the particle size of the garbage, the compaction degree, the climate of the site, the hydrologic condition, the landfill time and the like, and is extremely complex high-concentration wastewater; serious pollution to the environment, especially soil and groundwater, will occur if improperly handled.

In the aspect of wastewater treatment of the waste incineration power plant, methods such as leachate biological treatment, reverse osmosis treatment, advanced oxidation treatment and the like are mainly adopted, and then leachate is difficult to thoroughly decompose by any method, so that concentrated residue raffinate (commonly called leachate concentrate) is obtained, and if the concentrated residue is improperly treated, the environment is also severely polluted; in addition, the treatment method has the problems of large investment, large occupied area, long construction time, complex operation and maintenance and the like.

With the rise of domestic garbage power plants, many garbage incineration plants in China spray leachate and concentrated liquor back to garbage houses or garbage, so that the stability of garbage incineration is affected, and particularly, the concentrated liquor back to the houses causes leachate in the houses to enter biological treatment systems and other systems, and the treatment systems are affected in an immeasurable way.

Therefore, the utility model provides a landfill leachate or concentrated liquor returning incineration system with simple process, which aims at solving the defects.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a garbage leachate return incineration system which is simple in process, better in incineration effect and large in treatment capacity.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a refuse leachate return incinerator incineration system mainly comprises a refuse pit, a raw liquid pool, a sedimentation tank, a jet pump and a jet head; the garbage pit bottom is connected with a raw material pool through a first-level filter screen, a second-level filter screen is arranged between the raw material pool and a sedimentation tank, the raw material pool is connected with the sedimentation tank through an overflow pipe, the lower part of the sedimentation tank is connected with a jet pump through a pipeline provided with a check valve, the jet pump is connected with a spray head through a jet pipe, a compressed air inlet pipe with the check valve is arranged on the jet pipe, and the air inlet pipe is connected with an air compression station.

Further, the first-stage filter screen and the second-stage filter screen are made of titanium alloy, the strength of the titanium alloy is high, and a layer of fine and uniform oxide film is formed on the surface of the titanium alloy in the corrosive solution to prevent corrosion, so that the strength of the filter screen can be increased, and meanwhile, the corrosion resistance of the spiral spray head can be improved;

furthermore, the primary filter screen and the secondary filter screen are of detachable structures, so that filtered matters can be conveniently collected and cleaned, and the filtering precision is improved;

further, the aperture of the primary filter screen is 5 mm-25 mm;

further, the aperture of the secondary filter screen is 0.1 mm-5 mm;

further, the garbage pit is connected with the raw liquid pool through a filter, and the aperture of the filter is 0.1-15 mm;

furthermore, sewage outlets are arranged at the lower parts of the sedimentation tank and the raw liquid tank, so that sediment residues can be conveniently discharged, and the sediment residues are put into a furnace to be burnt;

further, a baffle plate is arranged in the sedimentation tank to divide the sedimentation tank into different areas, and percolate flows in an overflow mode;

further, the jet pipe is used for treating redundant percolate through a sewage pipe with a gate valve by a sewage treatment system;

further, the spray head is a spiral spray head.

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

1. the first-level filter screen and the second-level filter screen are convenient to detach and then clear up and filter impurities, and odor generated in the original liquid pool is upwards collected through the garbage pit and discharged into the incinerator, so that combustion supporting can be realized, and environmental pollution can be avoided.

2. Avoid compressed air and infiltration liquid backward flow to destroy preceding stage system, can reach better atomization effect through increasing compressed air in the infiltration liquid, and atomizing coverage is bigger.

Drawings

FIG. 1 is a diagram of the overall architecture of the present utility model.

In the figure, a garbage pit, a raw material liquid pool, a sedimentation tank, a jet pump, a 5 nozzle, a 6-level filter screen, a 7-level filter screen, an 8-overflow pipe, a 9 check valve, a 10-jet pipe, an 11-air inlet pipe, a 12-drain outlet, a 13-partition plate and a 14-air compression station are arranged in the figure.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

Referring to the figure 1, a landfill leachate returning incineration system mainly comprises a landfill pit 1, a raw liquid pool 2, a sedimentation tank 3, a jet pump 4 and a jet nozzle 5; the bottom of the garbage pit 1 is connected with a raw material liquid pool 2 through a primary filter screen 6, a secondary filter screen 7 is arranged between the raw material liquid pool 2 and a sedimentation tank 3, the raw material liquid pool 2 is connected with the sedimentation tank 3 through an overflow pipe 8, the lower part of the sedimentation tank 3 is connected with a jet pump 4 through a pipeline provided with a check valve 9, the jet pump 4 is connected with a spray head 5 through a jet pipe 10, a compressed air inlet pipe 11 with the check valve 9 is arranged on the jet pipe 10, and the air inlet pipe 11 is connected with an air compression station 14.

Further, the first-stage filter screen 6 and the second-stage filter screen 7 are made of titanium alloy, the strength of the titanium alloy is high, and a layer of fine and uniform oxide film is formed on the surface of the titanium alloy in the corrosive solution to prevent corrosion, so that the strength of the filter screen can be increased, and the corrosion resistance of the spiral nozzle 5 can be improved;

furthermore, the first-stage filter screen 6 and the second-stage filter screen 7 are of detachable structures, so that filtered matters can be conveniently collected and cleaned, and the filtering precision is improved;

further, the aperture of the primary filter screen 6 is 5 mm-25 mm;

further, the aperture of the secondary filter 7 is 0.1 mm-5 mm;

further, the garbage pit 1 is connected with the raw liquid pool 2 through a filter, and the aperture of the filter is 0.1-15 mm;

furthermore, drain outlets are arranged at the lower parts of the sedimentation tank 3 and the raw liquid tank 2, so that sediment residues can be conveniently discharged, and the sediment residues are put into a furnace to be burnt;

further, a baffle plate is arranged in the sedimentation tank 3 to divide the sedimentation tank 3 into different areas, and percolate flows in an overflow mode;

further, the spray pipe 10 is used for treating the surplus percolate through a sewage pipe with a gate valve by a sewage treatment system;

further, the spray head 5 is a spiral spray head.

When in use: the bottom of the garbage pit 1 is connected with a raw material liquid pool 2 through a primary filter screen 6, a secondary filter screen 7 is arranged on the upper portion of the raw material liquid pool 2, the raw material liquid pool 2 is connected with a sedimentation tank 3 through an overflow pipe 8, the lower portion of the sedimentation tank 3 is connected with a jet pump 4 through a pipeline provided with a check valve 9, the jet pump 4 is connected with a spray head 5 through a jet pipe 10, and a compressed air inlet pipe 11 with the check valve 9 is arranged on the jet pipe 10.

Specifically, in the embodiment, the garbage pit 1 is connected with the stock solution tank 2 through a first-stage filter screen 6 with a detachable structure, the first-stage filter screen 6 filters out particles with larger diameters in the percolate, and the aperture of the first-stage filter screen 6 is preferably 5 mm-25 mm; the upper part of the stock solution tank 2 is provided with a detachable secondary filter screen 7, the secondary filter screen 7 filters out direct smaller particles and floaters in the percolate, and the aperture of the secondary filter screen 7 is preferably 0.1 mm-5 mm; the first-stage filter screen 6 and the second-stage filter screen 7 are convenient to detach and then clean and filter impurities, and odor generated in the original liquid pool 2 is upwards collected through a garbage pit and discharged into the incinerator, so that combustion supporting can be realized, and environmental pollution can be avoided. The raw material liquid pool 2 discharges the filtered percolate into the sedimentation tank 3 through the overflow pipe 8, the lower part of the sedimentation tank 3 is connected with the jet pump 4 through a pipeline provided with the check valve 9, the jet pump 4 is connected with the jet head 5 through the jet pipe 10 to enter the incineration furnace for atomization incineration, the jet pipe 10 is provided with the compressed air inlet pipe 11 with the check valve 9, the front-stage system can be effectively prevented from being damaged by backflow of the compressed air and the percolate through the check valve 9, better atomization effect can be achieved by adding the compressed air into the percolate, and the atomization coverage range is larger.

In the embodiment, the garbage pit 1 is connected with the raw liquid pool 3 through a filter, and the aperture of the filter is preferably 0.1-15 mm, a baffle 13 is additionally arranged in the sedimentation tank 3 to divide the sedimentation tank 3 into different sections, and percolate in each section flows through overflow; and a drain outlet 12 is arranged at the lower parts of the sedimentation tank 3 and the raw liquid tank 2, so that sediment residues can be conveniently discharged, and the sediment residues are put into a furnace to be burnt.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (9)

1. A refuse leachate return incinerator incineration system mainly comprises a refuse pit, a raw liquid pool, a sedimentation tank, a jet pump and a jet head; the method is characterized in that: the garbage pit bottom is connected with a raw material pool through a first-level filter screen, a second-level filter screen is arranged between the raw material pool and a sedimentation tank, the raw material pool is connected with the sedimentation tank through an overflow pipe, the lower part of the sedimentation tank is connected with a jet pump through a pipeline provided with a check valve, the jet pump is connected with a spray head through a jet pipe, a compressed air inlet pipe with the check valve is arranged on the jet pipe, and the air inlet pipe is connected with an air compression station.

2. A landfill leachate re-furnace incineration system according to claim 1, characterised in that: the first-stage filter screen and the second-stage filter screen are titanium alloy filter screens.

3. A landfill leachate re-furnace incineration system according to claim 2, characterised in that: the first-stage filter screen and the second-stage filter screen are detachable structures.

4. A landfill leachate re-furnace incineration system according to any one of claims 1-3, characterised in that: the aperture of the primary filter screen is 5 mm-25 mm.

5. A landfill leachate re-furnace incineration system according to any one of claims 1-3, characterised in that: the aperture of the secondary filter screen is 0.1 mm-5 mm.

6. A landfill leachate re-furnace incineration system according to claim 1, characterised in that: the garbage pit is connected with the raw liquid pool through a filter, and the aperture of the filter is 0.1-15 mm.

7. A landfill leachate re-furnace incineration system according to claim 1, characterised in that: and sewage outlets are arranged at the lower parts of the sedimentation tank and the original liquid tank.

8. A landfill leachate re-furnace incineration system according to claim 1, characterised in that: a baffle is arranged in the sedimentation tank.

9. A landfill leachate re-furnace incineration system according to claim 1, characterised in that: the spray head is a Venturi spiral spray head.