Sewage treatment system for construction site

Abstract

The utility model provides a construction site sewage treatment system which comprises a drainage channel, the upstream end of the drainage channel is connected with a water distribution channel through a water inlet channel, the rear end of the water distribution channel is sequentially connected with a first-stage desilting basin, a second-stage desilting basin and a third-stage desilting basin, and the third-stage desilting basin is connected with the downstream end of the drainage channel; the silt wastewater is discharged or reutilized after being subjected to silt sedimentation, so that water and soil loss and silt pollution are effectively avoided, and meanwhile, the effects of saving water resources and protecting the environment are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction site sewage treatment technical field, in particular to a construction site sewage treatment system. BACKGROUND

[0002] In the rainy season, rain will wash the earthwork of construction site, thereby can produce a large amount of silt sewage, these contain a large amount of silt sewage if direct discharge to farmland, pond and local drainage ditch can make silt pollution aggravate, and a large amount of silt waste water if direct discharge also can cause water and soil loss.

[0003] Therefore, an urgent need arises for a construction site sewage treatment system that can solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a construction site sewage treatment system to solve the problems existing in the prior art.

[0005] To achieve the above object, the utility model provides the following scheme:

[0006] The utility model provides a construction site sewage treatment system, including drainage ditch, the upstream end of drainage ditch is connected with water distribution canal through inlet channel, the rear end of water distribution canal is connected with primary sand trap, secondary sand trap and tertiary sand trap in proper order, the tertiary sand trap is connected with the downstream end of drainage ditch.

[0007] Preferably, the drainage ditch is provided with a water cutoff dam.

[0008] Preferably, the water distribution canal is connected with the primary sand trap through a perforated flower wall.

[0009] Preferably, the primary sand trap, the secondary sand trap and the tertiary sand trap are provided with a protective fence on the outer side, and a protective net is installed on the protective fence.

[0010] Preferably, the protective fence is provided with a warning sign.

[0011] Preferably, the protective fence is provided with a monitoring camera.

[0012] Preferably, the utility model further includes a dust falling assembly, the dust falling assembly includes a water delivery pipeline, the water delivery pipeline is communicated with the tertiary sand trap through a water pump, and a spray head is arranged at the tail end of the water delivery pipeline.

[0013] Preferably, the water pump is provided with a filter screen outside.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] This utility model provides a construction site wastewater treatment system, including a drainage ditch. The upstream end of the drainage ditch is connected to a distribution ditch via an inlet ditch. The downstream end of the distribution ditch is sequentially connected to a primary sedimentation tank, a secondary sedimentation tank, and a tertiary sedimentation tank. The tertiary sedimentation tank is connected to the downstream end of the drainage ditch. By allowing sediment to settle in the wastewater before discharge or for reuse, soil erosion and sediment pollution are effectively avoided, while simultaneously achieving the effects of saving water resources and protecting the environment. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This utility model provides a schematic diagram of a construction site sewage treatment system. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] The purpose of this invention is to provide a construction site wastewater treatment system to solve the problems existing in the prior art.

[0020] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] Example 1:

[0022] This embodiment provides a construction site wastewater treatment system, such as Figure 1 As shown, the system includes a drainage ditch 1. The upstream end of the drainage ditch 1 is connected to the distribution ditch 3 via an inlet ditch 2. The downstream end of the distribution ditch 3 is connected to a primary sedimentation tank 4, a secondary sedimentation tank 5, and a tertiary sedimentation tank 6 in sequence. The tertiary sedimentation tank 6 is connected to the downstream end of the drainage ditch 1.

[0023] As one implementation method, a water interception dam 7 is provided in the drainage ditch 1 to prevent muddy water from flowing directly into the drainage ditch 1.

[0024] As an implementation form, the distribution channel 3 is connected with the first sand setting tank 4 through the perforated flower wall 8, and the mud water is evenly distributed through the perforated flower wall 8 and then enters the third sand setting tank at the rear end for treatment, so that the mud water is separated.

[0025] As an implementation form, the outer side of the first sand setting tank 4, the second sand setting tank 5 and the third sand setting tank 6 is provided with a protective fence, and a protective net is installed on the protective fence, which can achieve the safety effect and avoid impurities entering the sand setting tank.

[0026] As an implementation form, the protective fence is provided with a warning sign, so as to achieve the warning effect.

[0027] As an implementation form, the protective fence is provided with a monitoring camera, so as to achieve the monitoring effect.

[0028] As an implementation form, the dust falling assembly is further included, the dust falling assembly includes a water conveying pipeline, the water conveying pipeline is communicated with the sand setting tank through a water suction pump, and a spray head is arranged at the tail end of the water conveying pipeline, so that the settled wastewater can be used for dust falling and spraying, thereby realizing the effect of secondary utilization.

[0029] As an implementation form, the water suction pump is externally provided with a filter screen, so that the sand suction into the water suction pump can be avoided, thereby preventing the blockage.

[0030] The construction site sewage treatment system provided by the utility model can realize the discharge or secondary utilization of supernatant after the sand settlement of the mud water, and the bottom sand is regularly cleaned, so that the water and soil loss of the site is avoided, and the ecological environment is protected.

[0031] The principle and implementation mode of the utility model are described by specific examples, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A construction site effluent treatment system comprising a drainage ditch, characterised in that: The upstream end of the drainage ditch is connected with a distribution ditch through an inlet channel, the rear end of the distribution ditch is connected with a first sand settling tank, a second sand settling tank and a third sand settling tank in sequence, and the third sand settling tank is connected with the downstream end of the drainage ditch.

2. The construction site effluent treatment system of claim 1, wherein: A water intercepting dam is arranged in the drainage ditch.

3. The construction site effluent treatment system of claim 1, wherein: The distribution ditch is connected with the first sand settling tank through a perforated flower wall.

4. The construction site effluent treatment system of claim 1, wherein: Protective fences are arranged on the outer sides of the first sand settling tank, the second sand settling tank and the third sand settling tank, and protective nets are installed on the protective fences.

5. The construction site effluent treatment system of claim 4, wherein: The protective fences are provided with warning signs.

6. The construction site effluent treatment system of claim 4, wherein: The protective fences are provided with monitoring cameras.

7. The construction site effluent treatment system of claim 1, wherein: A dust falling assembly is further included, which comprises a water delivery pipeline in communication with the third sand settling tank through a water pump, and a spray head is arranged at the end of the water delivery pipeline.

8. The construction site effluent treatment system of claim 7, wherein: A filter screen is arranged outside the water pump.

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