CN202390881U - Device for recycling rainwater and field-produced waste water - Google Patents

Abstract

The utility model provides a device for recycling rainwater and field-produced waste water. The device comprises a waste water purifying system, a tap water supply system and a high-pressure water supply system, wherein one end of the waste water purifying system is connected with a drainage ditch for collecting waste water, the other end of the waste water purifying system is connected with the high-pressure water supply system, one end of the tap water supply system is connected with a tap water pipeline, the other end of the tap water supply system is connected with the high-pressure water supply system. Therefore, the system mainly based on a waste water recycling system and supported by a pure tap water using system can save a large quantity of construction water; moreover, the system cannot shut down because of the lack of waste water.

Description

A rainwater recycling and on-site production wastewater utilization device

technical field

The utility model relates to a device for recycling rainwater and on-site production wastewater, and relates to the recycling and utilization of rainwater and sewage on the construction site. the

Background technique

The construction site is a unit with a large water consumption. The monthly water consumption ranges from a few thousand cubic meters to tens of thousands or even hundreds of thousands of cubic meters. The water will basically be discharged into the municipal pipeline as waste water, and the construction water will not be effectively used. At the same time, during the construction in the rainy season, a large amount of rainwater will be discharged into the municipal pipeline together with the construction sewage. The available natural water resources have not been fully utilized, and there is a lot of room for improvement in water conservation. The comprehensive utilization of water resources at the construction site is of great significance for water saving, construction cost reduction and environmental protection. the

Utility model content

In order to solve the above problems, the utility model proposes a device for recycling rainwater and on-site production waste water. the

The technical scheme of the utility model is: a rainwater recycling and on-site production wastewater utilization device, including a wastewater purification system, a tap water supply system, and a high-pressure water supply system. One end of the wastewater purification system is connected to the drainage ditch for wastewater collection, and the other end is connected to A high-pressure water supply system; one end of the tap water supply system is connected to a tap water pipeline, and the other end is connected to a high-pressure water supply system. the

The waste water purification system includes adjacent primary settling tanks, secondary settling tanks, and purified waste water tanks; the primary settling tank is provided with a diversion port, and an overflow port A is provided between the primary settling tank and the secondary settling tank , an overflow port B is provided between the secondary sedimentation tank and the purified wastewater tank; the upper part of the primary sedimentation tank is connected to the drainage ditch, and the bottom of the wastewater purification tank is connected to the high-pressure water supply system through a pipeline; the tap water supply system Including a pure water pool, the upper part of the pure water pool is a tap water pipeline, and the lower part of the pure water pool is connected to the high-pressure water supply system through a pipeline; the pure water pool is adjacent to the purified waste water pool, and an overflow port C is provided between the two pools; Arranged horizontally, they are overflow port C, diversion port, overflow port A, and overflow port B in turn; a set of two water level controllers is provided in the purified waste water pool, and the level of the upper water level controller is Lower than the overflow port B; the water level control controls the tap water pipeline; the pipeline at the bottom of the purified waste water pool and the pipeline at the bottom of the pure water pool are all provided with valves. the

The beneficial effects of the utility model:

This utility model utilizes the drainage system on the construction site to collect construction wastewater such as rainwater and maintenance water in the site and introduce it into the three-stage purification system to become purified wastewater that can be used for construction, and is used for most constructions that do not require high purification of water sources. At the same time, the device has a tap water supply system, and the system is usually closed. When the amount of wastewater collected is not enough to meet the construction requirements, the tap water supply system will be automatically activated as a supplementary water source, or when the quality of construction water is high. The valve of the waste water system can be closed, and the tap water supply system can be started to supply water independently. In this way, the waste water utilization system is the main system, and the pure tap water utilization system is the supplementary system, which can save a lot of construction water, and at the same time, the system will not be shut down due to insufficient waste water. the

Description of drawings

Figure 1 is a schematic cross-sectional view of the rainwater recycling and on-site production wastewater utilization device. the

In the figure 1. Drainage ditch, 2. Primary sedimentation tank, 3. Secondary sedimentation tank, 4. Purified wastewater tank, 5. Upper water level controller, 6. Lower water level controller, 7. Tap water pipeline, 8. Pure water pool , 9. Valve, 10. Valve, 11. High pressure water supply system, 12. Diversion port, 13. Overflow port A, 14. Overflow port B, 15. Overflow port C. the

Detailed ways

Referring to Fig. 1, a rainwater recycling and on-site production wastewater utilization device includes a wastewater purification system, a tap water supply system, and a high-pressure water supply system. One end of the wastewater purification system is connected to the drainage ditch for wastewater collection, and the other end is connected to a high-pressure water supply. system; one end of the tap water supply system is connected to the tap water pipeline, and the other end is connected to the high-pressure water supply system. the

The waste water purification system includes adjacent primary settling tanks, secondary settling tanks, and purified waste water tanks; the primary settling tank is provided with a diversion port, and an overflow port A is provided between the primary settling tank and the secondary settling tank , an overflow port B is provided between the secondary sedimentation tank and the purified wastewater tank; the upper part of the primary sedimentation tank is connected to the drainage ditch, and the bottom of the wastewater purification tank is connected to the high-pressure water supply system through a pipeline; the tap water supply system Including a pure water pool, the upper part of the pure water pool is a tap water pipeline, and the lower part of the pure water pool is connected to the high-pressure water supply system through a pipeline; the pure water pool is adjacent to the purified waste water pool, and an overflow port C is provided between the two pools; Arranged horizontally, they are overflow port C, diversion port, overflow port A, and overflow port B in turn; a set of two water level controllers is provided in the purified waste water pool, and the level of the upper water level controller is Lower than the overflow port B; the water level control controls the tap water pipeline; the pipeline at the bottom of the purified waste water pool and the pipeline at the bottom of the pure water pool are all provided with valves. the

1 is the drainage ditch on the construction site, which imports the collected rainwater and construction sewage into the primary sedimentation tank 2, flows into the secondary sedimentation tank 3 through the overflow port A after the primary sedimentation, and passes through the overflow port after the secondary sedimentation B flows into the purified waste water pool 4, and automatic water level controllers 5 and 6 are provided in the purified waste water pool. When the purified water level in the purified waste water pool 4 is lower than the low water level control point 6, it indicates that the purified water is insufficient, and there is no water in the drainage ditch 1. Water supply, at this time, the tap water pipeline 7 is automatically opened, and the tap water is replenished into the purified waste water pool 4 through the overflow port C of the pure water pool 8. When the replenished water level reaches the high water level control point 5, the tap water supplement is automatically stopped, thereby ensuring the purification of the waste water pool There is always water supply. When the water volume in the ditch and the water storage in the pool can meet the construction needs, the tap water pipeline will not start. the

Both the purified waste water pool 4 and the pure water pool 8 are connected to the high-pressure delivery system through pipelines, and a valve 9 is set between the pure water pool 8 and the high-pressure delivery system 11, and the valve 9 is in a normally closed state, only when the purity of the construction water source is required to be high Open; a valve 10 is provided between the purified waste water pool 4 and the high-pressure delivery system 11, and the valve 10 is in a normally open state, and the valve is closed when using the water source in the pure water pool 8 miles. the

There is a diversion port 12 in the primary sedimentation tank, which can discharge excess rainwater and waste water outside the site. The elevation of the diversion port 12 cannot be higher than the overflow port C15 between the pure water pool and the purified waste water pool, and can not be lower than a The overflow port A13 between the primary sedimentation tank and the secondary sedimentation tank and the overflow port B14 between the secondary sedimentation tank and the purified wastewater tank; the high water level control point 5 in the purified wastewater tank should be lower than that between the secondary sedimentation tank and the purified wastewater tank The overflow port B14 between them prevents pure water from flowing into the sedimentation tank when tap water is replenished. the

Claims (2)

1. a rainwater is recycled and the produced on-site waste water utilization device; Comprise waste water purification system and water service system, high service system; It is characterized in that: described waste water purification system one end connects the gutter of wastewater collection, and the other end connects high service system; Described water service system one end connects water supply pipe, and the other end connects high service system.

2. rainwater according to claim 1 is recycled and the produced on-site waste water utilization device, and it is characterized in that: described waste water purification system comprises adjacent first grade subsides pond, secondary settling tank, the pond of purifying liquid waste; The first grade subsides pond is provided with flow-guiding mouth, is provided with overfall A between one-level sedimentation basin and the second-level settling pond, second-level settling pond and purify liquid waste and be provided with overfall B between the pond; Top, described first grade subsides pond is connected with the gutter, and said waste water purification tank bottom is connected with high service system through pipeline; Described water service system comprises purifying water pool, and this purifying water pool top is water supply pipe, and the purifying water pool bottom is connected with high service system through pipeline; Described purifying water pool is adjacent with the pond of purifying liquid waste, and between Liang Chi, is provided with overfall C; According to the level height arrangement at place separately, be followed successively by overfall C, flow-guiding mouth, overfall A, overfall B; Be provided with one group in the described pond of purifying liquid waste and comprise two water level controllers, the level height of the water level controller on its top is lower than overfall B; This water level control control water supply pipe; All be provided with valve on the pipeline of the described bottom, pond of purifying liquid waste and the pipeline of purifying water pool bottom.