CN219167935U - Grit chamber and domestic garbage leachate treatment device - Google Patents

Abstract

The utility model provides a grit chamber and a domestic garbage leachate treatment device, which comprises: the water inlet ramp, the water inlet pipe, the water inlet screen, the water outlet pipe, the water outlet ramp, the sludge collecting pit and the sealing pool body; a water inlet ramp and a water outlet ramp are arranged at the bottom of the inner side of the sealed tank body, and a plurality of sludge collecting pits are arranged between the water inlet ramp and the water outlet ramp; the sealing pool body is provided with a water inlet pipe, a water inlet screen, a water outlet screen and a water outlet pipe, the water inlet pipe and the water inlet screen are arranged on the upper side of the water inlet ramp, the water outlet pipe and the water outlet screen are arranged on the upper side of the water outlet ramp, the water inlet screen is positioned between the water inlet pipe and the adjacent sludge collecting pit, and the water outlet screen is positioned between the water outlet pipe and the adjacent sludge collecting pit. This application is through establishing ties and using the mud collecting pit, the gravel gathering of being convenient for makes the grit chamber can high-efficient get rid of the sand grain, cooperates gravity to arrange mud, has avoided the bottom sand grain layer to the influence of upper portion liquid level, makes the operation more high-efficient.

Description

Grit chamber and domestic garbage leachate treatment device

Technical Field

The utility model relates to the field of garbage treatment, in particular to a grit chamber and a household garbage leachate treatment device.

Background

The existing grit chamber technology is mostly concentrated on the aspect of domestic sewage treatment, but is less in the aspect of landfill leachate treatment. The prior patent CN104645676A provides a sand setting tank, which mainly comprises the following components: the sand setting tank comprises a sand setting tank body, a truss above the body, a lifting hydraulic cylinder, a sand sucking pump, a motor and a sand sucking pipe. The grit chamber can realize continuous and uninterrupted work, has a certain removal effect on sand grains, but still has the following defects: firstly, the problem of tightness is not considered, and if the garbage leachate is treated, odor can be accumulated and diffused, so that the surrounding air environment is seriously influenced; secondly, as a front-end pretreatment facility, the design of the grit chamber is complex, and the grit chamber is not beneficial to operation and maintenance; thirdly, the bottom of the sand setting tank is not provided with a mud bucket, so that the sand setting tank is not targeted and is not beneficial to gathering sand grains. When the mud sucking device is normally operated, the mud water at the bottom part can be stirred up, so that the sedimentation effect is poor.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a grit chamber and a household garbage leachate treatment device.

According to the utility model, there is provided a grit chamber comprising: the water inlet ramp, the water inlet pipe, the water inlet screen, the water outlet pipe, the water outlet ramp, the sludge collecting pit and the sealing pool body;

the bottom of the inner side of the sealed pool body is provided with the water inlet ramp and the water outlet ramp, and a plurality of sludge collecting pits are arranged between the water inlet ramp and the water outlet ramp;

the sealing pool body is provided with the water inlet pipe, the water inlet screen, the water outlet screen and the water outlet pipe, the water inlet pipe and the water inlet screen are arranged on the upper side of the water inlet ramp, the water outlet pipe and the water outlet screen are arranged on the upper side of the water outlet ramp, the water inlet screen is positioned between the water inlet pipe and the adjacent sludge collecting pit, and the water outlet screen is positioned between the water outlet pipe and the adjacent sludge collecting pit.

Preferably, one or more middle ramps are arranged between the water inlet ramp and the water outlet ramp, and valley-shaped mud collecting pits are formed between the middle ramps and adjacent water inlet ramps, water outlet ramps or middle ramps.

Preferably, a sludge discharge pipe is arranged at the bottom of each sludge collection pit, and a screw pump is arranged at the sludge discharge pipe.

Preferably, one or more odor pipes are arranged on the sealed tank body, and ventilation equipment is arranged at the odor pipe.

Preferably, a plurality of inspection manholes are formed in the sealed tank body, and the inspection manholes are formed in the upper sides of the water inlet screen, the water outlet screen and the sludge collecting pit.

Preferably, the sealing pool body is provided with a sealing structure.

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

1. according to the sand setting device, the water inlet screen is designed, so that the interference of impurities with larger particle sizes on the treatment effect of the sand setting tank is effectively avoided, and the water outlet effect of the sand setting tank is further ensured by designing the water outlet screen;

2. according to the sand sedimentation tank, the mud collecting pits are connected in series and used, so that gravel aggregation is facilitated, sand grains can be removed from the sand sedimentation tank efficiently, and the influence of a bottom sand grain layer on the upper liquid level is avoided by matching with gravity mud discharge, so that the operation is more efficient;

3. the pool body has simple structure, is convenient for equipment production, is convenient to skid-mount and is flexible to operate;

4. according to the utility model, through sealing the tank body and installing the odor guide pipe, the problem of odor accumulation and overflow of the percolate stock solution is solved, the air environment quality around the grit chamber is effectively improved, and better environmental protection benefits are achieved;

5. according to the method, the inspection manholes are designed at different positions, so that the situation in the pool can be explored and treated regularly, and the operation and maintenance are more convenient.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a front sectional view of a grit chamber;

FIG. 2 is a top view of the grit chamber;

the figure shows:

Detailed Description

The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.

Example 1

As shown in figures 1 and 2, the grit chamber for treating the domestic garbage leachate has the removal objects of particle size larger than 0.2mm and density larger than 2.65g/cm ³ Comprises: the sewage treatment device comprises a water inlet ramp 1, a water inlet pipe 2, a water inlet screen 3, an odor pipe 4, a middle ramp 5, an inspection manhole 6, a water outlet screen 7, a water outlet pipe 8, a water outlet ramp 9, a mud pipe 10, a mud collecting pit 11 and a sealing pool body 12;

the bottom of the inner side of the sealing pool body 12 is provided with a water inlet ramp 1 and a water outlet ramp 9, a plurality of sludge collection pits 11 are arranged between the water inlet ramp 1 and the water outlet ramp 9, one or a plurality of middle ramps 5 are arranged between the water inlet ramp 1 and the water outlet ramp 9, and valley-shaped sludge collection pits 11 are formed between the middle ramps 5 and adjacent water inlet ramps 1, water outlet ramps 9 or middle ramps 5.

The sealed cell body 12 is last to install inlet tube 2, water inlet screen cloth 3, water outlet screen cloth 7 and outlet pipe 8, and inlet tube 2 and water inlet screen cloth 3 set up in water inlet ramp 1 upside, and outlet pipe 8 and water outlet screen cloth 7 set up in water outlet ramp 9 upside, and water inlet screen cloth 3 is located between inlet tube 2 and the adjacent mud pit 11 for the screening gets into the big granule silt of adjacent mud pit 11 from inlet tube 2, and water outlet screen cloth 7 is located between outlet pipe 8 and the adjacent mud pit 11, is used for the screening to get into the silt of outlet pipe 8 from last mud pit 11.

A mud discharging pipe 10 is arranged at the bottom of each mud collecting pit 11, and a screw pump is arranged at the mud discharging pipe 10. One or more odor pipes 4 are arranged on the sealed tank body 12, ventilation equipment is arranged at the odor pipe 4, and the sealed tank body 12 matched with the sealing structure avoids the odor accumulation and overflow of the leachate stock solution. A plurality of inspection manholes 6 are arranged on the sealed tank body 12, and the inspection manholes 6 are arranged on the upper sides of the water inlet screen 3, the water outlet screen 7 and the sludge collecting pit 11.

Example 2

Example 2 is a preferred example of example 1.

As shown in fig. 1 and 2, the present embodiment mainly comprises a water inlet ramp 1, a water inlet pipe 2, a water inlet screen 3, an odor pipe 4, a middle ramp 5, an inspection manhole 6, a water outlet screen 7, a water outlet pipe 8, a water outlet ramp 9, a mud pipe 10, a mud pit 11 and a sealing pool body 12, and integrally forms a sealing structure.

When the percolate stock solution comes, the percolate enters a water inlet ramp 1 at the front end of the grit chamber from a water inlet pipe 2, passes through a water inlet screen 3, and larger impurities are trapped; the percolate is firstly collected in the first sludge collection pit 11, and sand grains in water quickly settle under the action of gravity and slide down a slope to the bottom of the first sludge collection pit 11; as the water content of the percolate gradually increases, the percolate flows over the top of the first sludge collection pit 11 to the second sludge collection pit 11; the percolate is collected in a second sludge sump 11 while continuing to settle part of the sand grains; the water quantity of the percolate is continuously increased, and impurities are trapped again after the percolate passes through the water outlet screen 3 along the water outlet ramp 9; the treated percolate is discharged from the water outlet pipe 8.

The odor generated by the percolate in the sealed tank body 12 is uniformly collected by the ventilation equipment and then is led out from the odor pipe 4; the sand grains collected in the two sludge pits 11 are led out from the sludge discharge pipes 10 at the bottoms of the two sludge pits 11, and the sand grains of the sludge pits 11 are pumped by the screw pump to the sludge discharge pipes 10 and discharged.

When the water inlet screen 3 and the water outlet screen 7 need to be overhauled, an overhauling manhole 6 at the corresponding position can be opened for treatment; when the interior of the grit chamber needs to be overhauled, the overhauling manhole 6 at the corresponding position can be opened for treatment.

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

The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.

Claims (10)

1. A grit chamber, comprising: the water inlet ramp (1), the water inlet pipe (2), the water inlet screen (3), the water outlet screen (7), the water outlet pipe (8), the water outlet ramp (9), the sludge collecting pit (11) and the sealing pool body (12);

the bottom of the inner side of the sealing pool body (12) is provided with the water inlet ramp (1) and the water outlet ramp (9), and a plurality of sludge collecting pits (11) are arranged between the water inlet ramp (1) and the water outlet ramp (9);

install on sealed cell body (12) inlet tube (2) inlet screen cloth (3) outlet screen cloth (7) and outlet pipe (8), inlet tube (2) with inlet screen cloth (3) set up inlet ramp (1) upside, outlet pipe (8) with outlet screen cloth (7) set up outlet ramp (9) upside, inlet screen cloth (3) are located inlet tube (2) with adjacent between sludge collection hole (11), outlet screen cloth (7) are located outlet pipe (8) with adjacent between sludge collection hole (11).

2. Grit chamber as in claim 1, wherein: one or more middle ramps (5) are arranged between the water inlet ramp (1) and the water outlet ramp (9), and valley-shaped sludge collection pits (11) are formed between the middle ramps (5) and adjacent water inlet ramps (1), water outlet ramps (9) or the middle ramps (5).

3. Grit chamber as in claim 1, wherein: the bottom of each sludge collecting pit (11) is provided with a sludge discharge pipe (10).

4. Grit chamber as in claim 1, wherein: one or more odor pipes (4) are arranged on the sealing pool body (12).

5. Grit chamber as in claim 1, wherein: a plurality of inspection manholes (6) are formed in the sealing tank body (12).

6. Grit chamber as in claim 1, wherein: the sealing pool body (12) is provided with a sealing structure.

7. The grit chamber of claim 5, wherein: the upper sides of the water inlet screen (3), the water outlet screen (7) and the sludge collecting pit (11) are respectively provided with the inspection manhole (6).

8. A grit chamber as in claim 3 wherein: a screw pump is arranged at the sludge discharge pipe (10).

9. The grit chamber of claim 4, wherein: and the odor pipe (4) is provided with ventilation equipment.

10. A domestic waste leachate treatment device which is characterized in that: use of a grit chamber according to any one of claims 1 to 9.

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