CN206538859U - A kind of urban rainwater pipeline purged with fresh water collection device - Google Patents

Abstract

The utility model is related to a kind of urban rainwater pipeline purged with fresh water collection device, including storm sewer and settling tank, the screen pack flushed with earth's surface is provided with storm sewer, spreader is provided with screen pack, spreader inner hollow, inside is placed with sodium chloride solution, there are multiple first through hole that first cavity is in communication with the outside on spreader surface, settling tank is provided with the second outlet pipe, the two ends of second outlet pipe are respectively arranged with the first water purifying tank and the second water purifying tank, activated carbon absorbed layer is provided with first water purifying tank, drainpipe is provided with first water purifying tank, the 3rd water purifying tank is provided with after second water purifying tank, purifier is provided with second water purifying tank and the 3rd water purifying tank；When water is flowed at the mouth of pipe of storm sewer, sodium chloride solution can flow out from first through hole to be mixed with water, under the same conditions, the freezing point of sodium chloride solution is lower than the freezing point of water, so by becoming water can effectively solve the problem of winter storm sewer freezes after sodium chloride solution.

Description

A fresh water purification and collection device for urban rainwater pipelines

technical field

The utility model relates to the field of municipal engineering, in particular to a fresh water purification and collection device for urban rainwater pipelines.

Background technique

Water resources, usually referring to fresh water resources on land, are fresh water resources composed of rivers and slope protection water, mountain snow, glaciers, and groundwater; only 3% of the water on the earth is fresh water, and all terrestrial life is ultimately All depend on fresh water, which determines the distribution of life on the earth; my country's total fresh water resources are 2.8 trillion cubic meters, ranking sixth in the world, but the per capita water volume is only equivalent to a quarter of the world's per capita share, ranking first in the world. No. 109.

For example, the urban rainwater purification pipe network whose publication number is "CN101456598A" includes rainwater pipes and sewage plant inlet pipes and river inlet pipes respectively connected with it. There is a ceramsite filter tank at the entrance and exit of the river pipeline; the rainwater flows into the ceramic filter tank after sedimentation of the sludge in the detachable mud tank for filtration to reduce the content of harmful substances and purify the water quality, so as to achieve the effect of rainwater purification However, in some northern cities, the temperature is low in winter, and the mouths of these water inlet pipes, river pipe belts and rainwater pipes may freeze, so that sewage and rainwater cannot enter the pipes from the mouths, which means It cannot be collected and purified for recycling.

Utility model content

The purpose of the utility model is to provide a fresh water purification and collection device for urban rainwater pipelines that can purify and collect water that enters the rainwater pipelines.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a fresh water purification and collection device for urban rainwater pipelines, comprising a rainwater pipeline and a settling tank, the rainwater pipeline is provided with a filter net flush with the ground surface, the A plurality of horizontal columns are arranged on the filter net, and a first cavity for accommodating a high-concentration sodium chloride solution is formed inside the horizontal column, and a plurality of first cavities connecting the first cavity with the outside world are arranged on the surface of the horizontal column. A through hole, the rainwater pipe communicates with the upper part of the sedimentation tank, the sedimentation tank is an inverted cone, the bottom of the cone is provided with a second outlet pipe, the second outlet pipe is a T-shaped pipe, and the T The two ends of the shaped pipe are respectively provided with a first water purification pool and a second water purification pool, and the end of the T-shaped pipe close to the first water purification pool is provided with a first valve, and the T-shaped pipe is close to the second water purification pool One end of the first water purification tank is provided with a second valve, the first water purification tank is provided with an activated carbon absorption layer, the first water purification tank is provided with a drain pipe, and the second water purification tank is provided with a valve communicating with the second water purification tank. The third water purification pool, the second water purification pool and the third water purification pool are provided with water purification devices.

By adopting the above technical scheme, the accumulated water on the road flows into the sedimentation tank along the rainwater pipe, and after standing in the sedimentation tank for a period of time, the substances that cannot be dissolved in the water, such as sediment and impurities, are deposited under the sedimentation tank; open The first valve, the impurities deposited under the sedimentation tank flow into the first water purification tank from the first valve, and the water filtered by the activated carbon in the first water purification tank can be discharged into the river, etc., and the activated carbon will intercept the impurities in the water Avoid the silt in the water from clogging the river channel; then when all the impurities in the middle and lower layers of the sedimentation tank flow away from the first valve, close the first valve and open the second valve to divert the relatively clean water from the upper layer into the second clean water tank, Due to the circulation between the second clean water pool and the third clean water pool, when water flows from the second clean water pool into the third clean water pool, it will be set between the second clean water pool and the third clean water pool Water purification device purification; when the temperature is low in winter, the nozzle of the rainwater pipe is easy to freeze, and a plurality of horizontal columns containing sodium chloride solution are installed at the nozzle of the rainwater pipe. When water flows into the nozzle of the rainwater pipe , the sodium chloride solution will flow out from the first through hole and mix with water. Under the same conditions, the freezing point of the sodium chloride solution is lower than the freezing point of water, so it can effectively solve the problem by turning water into a sodium chloride solution. The problem of freezing of rainwater pipes in winter.

Preferably, the second water purification tank is provided with a cover, and the water purification device includes a heating device arranged in the second water purification tank.

By adopting the above-mentioned technical scheme, utilizing the different boiling points of the substances in the mixed system, a heating device is set in the second water purification tank and the heating temperature is controlled at 100° to 115°. During the heating process, the water vapor evaporates upwards. Evaporate from above the second water purification pool, so a cover is set on the second water purification pool to prevent the water vapor from evaporating directly upwards, because the second water purification pool is connected to the third water purification pool, so the water vapor enters the third water purification pool pool, and re-liquefied in the third purification pool to obtain pure water,

Preferably, the water purification device includes a semi-permeable membrane arranged between the second water purification tank and the third water purification tank, and a pressure exerting device arranged on the second water purification tank.

By adopting the above technical scheme, a semi-permeable membrane is provided at the position communicating between the second clean water tank and the third clean water tank, and the pressure applying device applies pressure to the second clean water tank, and the Water passes through the semi-permeable membrane under pressure, and the semi-permeable membrane can filter out almost all kinds of impurities in the water, as well as chloride and sodium ions in the water; the obtained clean water can be directly connected to the water supply pipeline , for people to cite.

Preferably, the pressure applying device includes a baffle arranged on the second clean water tank and capable of sliding on the side wall of the second clean water tank, and a first cylinder driving the baffle to move in the height direction of the second clean water tank.

By adopting the above technical scheme, a baffle with the same cross-sectional shape as the second water purification tank is set in the second water purification tank, and the side wall of the baffle is fixed on the side wall of the second water purification tank, and the first cylinder The piston rod is connected with the baffle, driven by the first cylinder, the baffle can move in the height direction of the second clean water tank, when the baffle moves downward, the pressure in the second clean water tank can be increased, thereby The water in the first clean water tank is pressed into the third clean water tank.

Preferably, the horizontal column is covered with a sponge.

By adopting the above technical scheme, the sodium chloride solution stored in the first cavity flows out from the first through hole and is adsorbed in the sponge. When sewage and rainwater pass through the rainwater pipe, the sodium chloride adsorbed in the sponge is dissolved in the sponge. Sewage, rainwater, and together with it flow down into the sedimentation tank.

Preferably, a water storage tank is provided below the ground surface, a first water inlet pipe is provided between the water storage tank and the sedimentation tank, and a water pump is provided on the first water inlet pipe.

By adopting the above-mentioned technical scheme, the rainwater pipes are usually set in low-lying places to facilitate the rainwater to flow down, so a storage tank can be set up below the ground surface, and the water left from the rainwater pipes is temporarily accumulated in the storage tank, and then the water pump can be used to drain the water The water in the storage tank is pumped to the settling tank.

Preferably, the top of the reservoir is provided with a first water outlet pipe communicating with the outside world.

By adopting the above-mentioned technical scheme, when the water in the reservoir accumulates a lot, it can overflow from the first water outlet pipe arranged on the top of the reservoir, and then supplement groundwater to avoid excessive accumulation of sewage and rainwater in the reservoir. many.

Preferably, the settling tank is provided with an electrostatic generating device.

By adopting the above technical scheme, the soil particles form colloid in the water, and the charged particles released by the electrostatic generating device installed on the settling tank combine with the charged sediment particles in the soil to make the soil settle quickly and improve the efficiency.

In summary, the utility model has the following beneficial effects: the accumulated water on the road flows into the sedimentation tank along the rainwater pipe, and after standing in the sedimentation tank for a period of time, the substances that cannot be dissolved in the water, such as sediment and impurities, are deposited Below the settling tank; open the first valve, the impurities deposited under the settling tank flow into the first water purification tank from the first valve, and the water filtered by the activated carbon in the first water purification tank can be discharged into the river, etc. , the activated carbon intercepts the water to prevent the silt in the water from blocking the river; then when all the impurities in the middle and lower layers of the settling tank flow away from the first valve, close the first valve and open the second valve to divert the relatively clean water from the upper layer Into the second clean water pool, due to the circulation between the second clean water pool and the third clean water pool, when water flows from the second clean water pool into the third clean water pool, it will be set between the second clean water pool and the third clean water pool The water purification device between the third water purification pools is purified; when the temperature is low in winter, the nozzle of the rainwater pipe is easy to freeze, and a plurality of horizontal columns with sodium chloride solution are installed at the nozzle of the rainwater pipe. When the nozzle of the rainwater pipe flows in, the sodium chloride solution will flow out from the first through hole and mix with water. Under the same conditions, the freezing point of the sodium chloride solution is lower than that of water, so by turning water into chlorine Sodium chloride solution can effectively solve the problem of freezing rainwater pipes in winter.

Description of drawings

Fig. 1 is the overall structure schematic diagram in embodiment 1, is used for reflecting the positional relationship between each structure;

Fig. 2 is an enlarged schematic diagram of the structure of part A in Fig. 1, which is used to reflect the horizontal column arranged on the filter net;

Fig. 3 is a cross-sectional view of the cross-column structure in Embodiment 1, which is used to reflect the first cavity structure arranged inside the cross-column;

Fig. 4 is a schematic diagram of the overall structure in Embodiment 2, which is used to represent the water purification device arranged in the second water purification tank.

In the figure, 1, rainwater pipe; 11, filter screen; 111, horizontal column; 112, first cavity; 113, first through hole; 114, sponge; 2, reservoir; 21, first outlet pipe; 3 , sedimentation tank; 31, the first water inlet pipe; 32, water pump; 33, the second water outlet pipe; 331, the first valve; 332, the second valve; 34, static electricity generating device; 42, activated carbon absorption layer; 5, the second water purification tank; 51, semi-permeable membrane; 52, baffle plate; 53, the first cylinder; 54, cover; 6, the third water purification tank.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Embodiment 1: As shown in Fig. 1, a kind of urban rainwater pipeline fresh water purification collection device, installs the rainwater pipeline 1 vertically below the surface, the upper surface of the rainwater pipeline 1 is parallel to the ground, and the end of the rainwater pipeline 1 close to the surface is upward Extending into an inverted pyramid, the middle end of the rainwater pipe 1 is connected with a reservoir 2, the rainwater pipe 1 communicates with the reservoir 2, and a first outlet pipe 21 is arranged above the reservoir 2, the first outlet pipe One end of 21 stretches into the inside of reservoir 2, and the other end communicates with the soil. When the accumulated moisture in reservoir 2 is too much, it can seep down and enter groundwater after flowing out from the first outlet pipe 21.

As shown in Figure 1 and Figure 2, a filter screen 11 is welded on the end face of the rainwater pipe 1 close to the ground surface. There are a plurality of horizontal columns 111, as shown in Figure 3, the first cavity 112 is formed in the hollow of the horizontal column 111, and the inside of the first cavity 112 is filled with a high-concentration sodium chloride solution. A first through hole 113, the first through hole 113 communicates the first cavity 112 with the outside world, a layer of sponge 114 is wrapped outside the horizontal column 111, and the sodium chloride solution is adsorbed on the sponge after flowing out from the first through hole 113 In 114 , when the rainwater passes through the filter screen 11 , part of the sodium chloride solution in the sponge 114 is taken away, and the rainwater flows into the rainwater pipe 1 together.

As shown in Figure 1, a settling tank 3 is set above the ground surface. The bottom of the settling tank 3 is an inverted cone. Also be provided with water pump 32, water pump 32 pumps the water in the reservoir 2 to settling tank 3, on settling tank 3, also be equipped with static electricity generator 34, static electricity generator 34 produces charged particle and the same charged silt in water The combination of particles helps the rapid sedimentation of the moisture silt in the settling tank 3 .

As shown in Figure 1, a second water outlet pipe 33 is arranged below the settling tank 3, the second water outlet pipe 33 is arranged on the tip of the vertebral body, and the shape is an inverted T-shaped pipe, the other two ends of the second water outlet pipe 33 The first clean water tank 4 and the second clean water tank 5 are respectively connected, and a third clean water tank 6 communicating with the second clean water tank 5 is also provided on the second clean water tank 5, and the second water outlet pipe 33 A first valve 331 and a second valve 332 are respectively installed near the first water purification pool 4 and the second water purification pool 5, and both the first valve 331 and the second valve 332 are electric butterfly valves; An activated carbon absorption layer 41 is installed in the pool 4 close to the first valve 331, and the activated carbon is wrapped in a water-permeable membrane. For the preparation method of the water-permeable membrane, refer to the preparation method of a tubular organic-inorganic composite water-permeable membrane with the publication number CN101422702A "". , the surroundings of the permeable membrane are glued to the inside of the first water purification tank 4 .

As shown in Figure 1, a water purification device is arranged between the second water purification tank 5 and the third water purification tank 6, and the water purification device includes a water purification device arranged between the second water purification tank 5 and the third water purification tank 6 Semi-permeable membrane 51 and the pressurizing device that is arranged on the second clean water pool 5; Glue can be utilized to stick semi-permeable membrane 51 to the inside of the pipeline that the second clean water pool 5 communicates with the third clean water pool 6, pressurize The device comprises a baffle plate 52 with the same sectional area as the second clean water pool 5 and a first cylinder 53 fixed on the ground, the baffle plate 52 is welded on the piston rod of the first cylinder 53, and the first cylinder 53 Driven, the baffle plate 52 moves downward, the pressure in the second water purification tank 5 increases, and the clean water passes through the semipermeable membrane 51 and enters the third water purification tank 6 .

How to use: The collected rainwater and sewage are collected downstream from the rainwater pipe 1 and collected in the reservoir 2. The filter 11 arranged on the upper part of the rainwater pipe 1 can filter some of the larger garbage to prevent this part of garbage from entering To block the pipeline in the rainwater pipeline 1, the water in the reservoir 2 can be pumped into the sedimentation tank 3 by using the water pump 32, and sedimentation is carried out in the sedimentation tank 3; after the sedimentation is completed, open the first valve 331, and the The silt and sand at the bottom flow back into the first water purification tank 4, and after being absorbed by the activated carbon absorption layer 42, the impurity silt is blocked on the activated carbon absorption layer 42 to obtain relatively clean water. The water is discharged to the river, and the sludge impurities on the activated carbon absorption layer 41 are cleaned up every once in a while; then, the first valve 331 is closed, the second valve 332 is opened, and the relatively clean supernatant in the settling tank 3 is flowed back into the second clean water tank 5, then close the second valve 332, open the first cylinder 53, the first cylinder 53 drives the baffle plate 52 to move downward, the pressure in the second clean water tank 5 is increased, and the water flows from the semi-permeable membrane 51 Enter the third clean water pool 6, and obtain a clean water source in the third clean water pool 6; when the temperature is low in winter, sodium chloride solution can be filled in the first cavity 112 in the horizontal column 111, and when the rainwater returns When entering the rainwater pipe 1, the sodium chloride solution flows out from the first through hole 113 onto the sponge 114, and then flows into the rainwater pipe 1 together with the rainwater. Because sodium chloride is dissolved in the water, the freezing point of all water is lowered, avoiding winter When the temperature is too low, the inside of the rainwater pipe 1 freezes to prevent rainwater and sewage from flowing downward.

Embodiment 2: the structure of embodiment 2 is basically the same as the structure of embodiment 1, as shown in Figure 4, a kind of urban rainwater pipeline fresh water purification collection device, water purification device comprises the high-power that is arranged in the second water purification tank 5 Resistance wire, control the temperature of the resistance wire between 100 ° to 120 °, the resistance wire heats the moisture in the second water purification pool 5, in order to avoid the evaporated water vapor from directly evaporating from the second water purification pool 5 top, in the A cover 54 is installed on the second water purification pool 5, and the moisture rises into water vapor and then enters the third water purification pool 6 and is liquefied in the third water purification pool 6 to obtain clean water.

Usage method: the usage method of embodiment 2 is basically the same as that of embodiment 1. After the upper layer liquid in the settling tank 3 enters the second water purification tank 5, under the heating of the resistance wire, the water evaporates into water Steam, when the temperature is controlled between 100° and 115°, basically only water will evaporate from it, then enter the third water purification pool 6, and re-liquefy into water in the third water purification pool 6 to obtain a clean water source ; By heating, the water is first evaporated into water vapor and then the water vapor is re-liquefied into water. Not only can a clean water source be obtained, but also some bacteria in the water can be killed after high-temperature cooking; In regions, part of the calcium and magnesium ions dissolved in water can be removed by cooking to slow down the incidence of kidney stones.

Claims (8)

1. a kind of urban rainwater pipeline purged with fresh water collection device, including storm sewer（1）And settling tank（3）, it is characterised in that： The storm sewer（1）On be provided with the screen pack flushed with earth's surface（11）, the screen pack（11）On be provided with multiple spreaders （111）, the spreader（111）Inner hollow is formed with the first cavity for accommodating high concentration sodium chloride solution（112）, it is described Spreader surface is provided with multiple by the first cavity（112）The first through hole being in communication with the outside（113）, the storm sewer（1）With Settling tank（3）Top is connected, the settling tank（3）For inverted cone, the cone base is provided with the second outlet pipe（33）, Second outlet pipe（33）For T-shaped pipe, the two ends of the T-shaped pipe are respectively arranged with the first water purifying tank（4）With the second water purifying tank （5）, the T-shaped pipe is close to the first water purifying tank（4）One end be provided with the first valve（331）, the T-shaped pipe is close to the second water purification Pond（5）One end be provided with the second valve（332）, first water purifying tank（4）Inside it is provided with activated carbon absorbed layer（42）, it is described First water purifying tank（4）On be provided with drainpipe（43）, second water purifying tank（5）After be provided with and the second water purifying tank（5）Connection The 3rd water purifying tank（6）, second water purifying tank（5）With the 3rd water purifying tank（6）On be provided with purifier.

2. a kind of urban rainwater pipeline purged with fresh water collection device according to claim 1, it is characterised in that：Described second Water purifying tank（5）On be provided with capping（54）, the purifier is including being arranged on the second water purifying tank（5）Interior heater.

3. a kind of urban rainwater pipeline purged with fresh water collection device according to claim 2, it is characterised in that：The water purification Device includes being arranged on the second water purifying tank（5）With the 3rd water purifying tank（6）Between pellicle（51）, be arranged on the second water purifying tank （5）On device for exerting.

4. a kind of urban rainwater pipeline purged with fresh water collection device according to claim 3, it is characterised in that：The pressure Device includes being arranged on the second water purifying tank（5）It is upper and can be in the second water purifying tank（5）The baffle plate of side wall slip（52）, driving baffle plate （52）In the second water purifying tank（5）The first cylinder moved in short transverse（53）.

5. a kind of urban rainwater pipeline purged with fresh water collection device according to claim 4, it is characterised in that：The spreader （111）It is coated with sponge（114）.

6. a kind of urban rainwater pipeline purged with fresh water collection device according to claim 5, it is characterised in that：The earth's surface It is arranged below to have cistern（2）, the cistern（2）With settling tank（3）Between be provided with the first water inlet pipe（31）, described first Water inlet pipe（31）On be provided with water pump（32）.

7. a kind of urban rainwater pipeline purged with fresh water collection device according to claim 6, it is characterised in that：The retaining Pond（2）Top is provided with the first outlet pipe being in communication with the outside（21）.

8. a kind of urban rainwater pipeline purged with fresh water collection device according to claim 7, it is characterised in that：The sedimentation Pond（3）On be provided with electrostatic generator（34）.