CN209791064U

CN209791064U - rainwater overflow purifier

Info

Publication number: CN209791064U
Application number: CN201920164920.5U
Authority: CN
Inventors: 李茂维; 高彦波
Original assignee: Xingjing Eco-Environmental Technology (suzhou) Co Ltd
Current assignee: Xingjing Eco-Environmental Technology (suzhou) Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2019-12-17
Anticipated expiration: 2029-01-30

Abstract

The utility model discloses a rainwater overflow purifier, include: the device comprises a purification unit, an overflow unit and a water storage unit; the purification unit comprises a purification tank, and both ends of the purification tank are respectively connected with a water inlet pipe and a water delivery pipe; the water inlet pipe and the water delivery pipe are respectively provided with a first valve and a second valve; the purification tank comprises a sedimentation zone and a filtration zone which are separated by a partition plate; the overflow unit comprises a flow discarding pool and an overflow pipe, the flow discarding pool is connected with the water inlet pipe through the overflow pipe, and the overflow pipe is connected with the water inlet pipe; the water storage unit comprises a water storage tank, one end of the water storage tank is connected with the water delivery pipe, and the other end of the water storage tank is connected with a water outlet pipe; the water delivery pipe is provided with a shunt pipe and a third valve; the water outlet pipe is provided with a fourth valve. In this way, the utility model discloses a set up the overflow pond at the front end of purification tank, exceed the volumetric rainwater of purification tank and do not purify through the purification tank, abandon the flow earlier through the overflow pipe to reduce the burden of purification tank, the delay device loss.

Description

Rainwater overflow purifier

Technical Field

The utility model relates to a rainwater recycle technical field especially relates to a rainwater overflow purifier.

background

with the acceleration of the urbanization process, some urban water resource shortage, water environment pollution, flood disasters, ecological environment deterioration and other problems in China are very serious. Rainwater is taken as a key element in a water circulation system and plays an important role in the process of constructing the urban sustainable water circulation system. Therefore, how to effectively control and utilize urban rainfall flood is an important issue which needs to be paid attention to environment, municipal administration, planning, building, landscape, water conservancy and the like.

at present, urban rainwater is generally drained in an organized mode, rainwater on the ground is collected and drained to a rainwater pipeline through runoff, and then is drained into a sewage pipeline through a rainwater pipeline system. However, the rainwater can be reused, such as for industrial production, agricultural irrigation and the like, and a large amount of rainwater is directly discharged to a sewage pipeline, so that the waste of water resources is caused. The existing rainwater collection and recycling device is complex in system and high in comprehensive cost, and the overflow devices are arranged at the rear end of the purifying device, so that the bearing burden of the purifying device is greatly increased, the loss of the purifying device is accelerated, and the service life of the purifying device is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a rainwater overflow purifier, with overflow tank leading, reduces the burden in purification tank, the delay device loss.

In order to achieve the above object, the technical solution of the present invention is:

a rainwater overflow purification device comprising:

The purification unit comprises a purification tank, wherein a water inlet pipe and a water delivery pipe are respectively connected to two ends of the purification tank, and the joint of the water inlet pipe and the purification tank is higher than the joint of the water delivery pipe and the purification tank; the water inlet pipe and the water delivery pipe are respectively provided with a first valve and a second valve; the purification tank comprises a sedimentation region and a filtering region, the sedimentation region is arranged on one side of the purification tank close to the water inlet pipe, the filtering region is arranged on one side of the purification tank close to the water delivery pipe, and the sedimentation region and the filtering region are separated by a partition plate;

The overflow unit comprises a flow discarding pool and an overflow pipe, the flow discarding pool is connected with a water inlet pipe through the overflow pipe, the overflow pipe is connected with the water inlet pipe, and the joint of the overflow pipe and the water inlet pipe is lower than the highest designed water level of the purification pool; the first valve is positioned between the overflow pipe and the purification tank;

the water storage unit comprises a reservoir, one end of the reservoir is connected with the water pipe, the other end of the reservoir is connected with a water outlet pipe, and the joint of the water pipe and the reservoir is higher than the joint of the water outlet pipe and the reservoir; the water conveying pipe is provided with a shunt pipe and a third valve, and the third valve is positioned between the shunt pipe and the reservoir; and a fourth valve is arranged on the water outlet pipe.

preferably, the overflow pipe is horizontally arranged and is 1 cm-2 cm lower than the highest designed water level of the purification tank.

Preferably, the sedimentation zone is internally provided with guide plates which are obliquely arranged, and the horizontal distance from the upper ends of the guide plates to the partition plate is greater than the horizontal distance from the lower ends of the guide plates to the partition plate.

preferably, a sand filter medium is arranged in the filter area, and the sand filter medium is a filter bag filled with river sand.

Preferably, the filtering area is internally provided with vertically arranged filtering pipes, and the filtering pipes are provided with purifying balls.

Preferably, the partition plate is provided with a plurality of through holes, and the through holes transversely penetrate through the partition plate.

Preferably, the outer surface of the partition is covered with geotextile.

Preferably, the cistern includes bottom of the pool and pool wall, the material of bottom of the pool and pool wall is the concrete, the bottom of the pool and the one side of pool wall and rainwater contact all are provided with cement mortar and wipe one's face.

Preferably, the bottom of the reservoir is arranged in an inverted cone shape.

Preferably, the water storage unit further comprises a drain pipe, and the drain pipe is arranged at the bottommost part of the bottom of the water storage tank.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:

the rainwater overflow purification device is simple in structure and easy to operate, the functions of overflow, purification and water storage are realized through different combinations of the opening and closing states of the valves, the effect of recycling rainwater is achieved, and the working efficiency of the device can be improved to the maximum extent; set up the overflow tank through the front end at the purification tank, be about to the overflow tank leading, exceed the volumetric rainwater of purification tank and do not purify through the purification tank, abandon the flow earlier through the overflow pipe to reduce the burden of purification tank, the delay device loss, increase of service life has the popularization nature at the actual production activity.

Drawings

Fig. 1 is a schematic structural diagram of the rainwater overflow purification device of the present invention.

Description of the drawings:

The device comprises a purification tank 1, a sedimentation zone 11, a guide plate 111, a filtering zone 12, a filtering pipe 121 and a partition plate 13;

A flow abandoning pool 2 and an overflow pipe 21;

A reservoir 3 and a drain pipe 31;

A water inlet pipe 4, a water delivery pipe 5, a water outlet pipe 6, a shunt pipe 7,

A first valve 41, a second valve 51, a third valve 61, and a fourth valve 71.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to the drawings, a rainwater overflow purification device comprises a purification unit, an overflow unit and a water storage unit. The purification unit comprises a purification tank 1, wherein both ends of the purification tank 1 are respectively connected with a water inlet pipe 4 and a water delivery pipe 5, and the joint of the water inlet pipe 4 and the purification tank 1 is higher than the joint of the water delivery pipe 5 and the purification tank 1, so that the purification tank 1 is in a purification form of water inlet at the upper part and water outlet at the lower part. The inlet pipe 4 and the water pipe 5 are respectively provided with a first valve 41 and a second valve 51, and the inlet and outlet states of rainwater in the purification tank 1 are controlled by opening and closing the first valve 41 and the second valve 51.

The form that combines together is precipitated and filtration to the purification unit in the device, includes settling zone 11 and filtering area 12 in the purification tank 1 promptly, and settling zone 11 sets up the one side that is close to inlet tube 4 in purification tank 1, and filtering area 12 sets up the one side that is close to raceway 5 in purification tank 1, and the rainwater also gets into earlier in the purification tank 1 through settling zone 11 again filtering area 12.

Be provided with the guide plate 111 of slope arrangement in the settling zone 11, the horizontal distance of the lower extreme that the upper end of guide plate 111 reaches baffle 13 is greater than guide plate 111 to the horizontal distance of baffle 13, make the rainwater get into earlier the slant downflow in the purification tank 1 through guide plate 111, reduce the velocity of flow, extension settling time, alleviate the impact to rear end filtering area 12, especially the more rainwater of impurity, impurity in the rainwater falls to the bottom of settling zone 11 when flowing through settling zone 11 because its self weight.

Some filtering measures can be provided in the filtering area 12 to further filter and purify the rainwater. For example, a sand filter media, which is a filter bag with river sand therein, is disposed in the filter zone 12. The river sand can be selected from washed river sand, and rainwater is filtered and purified. For another example, a vertically arranged filtering pipe 121 is arranged in the filtering area 12, purifying balls are arranged on the filtering pipe 121, the filtering pipe 121 can be S-shaped or spiral, and the number of the purifying balls on the filtering pipe 121 is increased by the shape of the filtering pipe 121, so that the contact area between rainwater and the purifying balls is increased, and the purifying effect is enhanced. The purifying ball has porous and hollow structure, and various aerobic and anaerobic organisms can be attached to the purifying ball on the surface and inside the purifying ball, and the combination of different gaps can change the water speed continuously and play roles of precipitation and filtration. Meanwhile, the environment capable of forming a natural ecosystem can be created through the combination of different products.

The sedimentation zone 11 and the filtration zone 12 are separated by a partition plate 13, the partition plate 13 is vertically arranged in the purification tank 1, one side of the partition plate 13 is the sedimentation zone 11, and the other side of the partition plate 13 is the filtration zone 12. The partition plate 13 has a certain strength and may be a plastic plate, a stainless steel plate, or the like. The partition plate 13 is provided with a plurality of through holes which transversely penetrate through the partition plate 13, so that the rainwater passing through the settling zone 11 can flow to the filtering zone 12 through the through holes in the partition plate 13. The geotechnical cloth with the function of water permeation and filtration is paved on the surface of the partition plate 13, so that impurities in the sedimentation tank are prevented from entering the filtration tank, and a filter medium in the filtration tank is also prevented from entering the sedimentation tank.

The overflow unit comprises a flow discarding pool 2 and an overflow pipe 21, wherein the flow discarding pool 2 is connected with the water inlet pipe 4 through the overflow pipe 21, the overflow pipe 21 is connected on the water inlet pipe 4, and the first valve 41 is positioned between the overflow pipe 21 and the purification pool 1. That is, the rainwater firstly passes through the joint of the overflow pipe 21 and the water inlet pipe 4 and then enters the first valve 41, so that the rainwater flow flowing into the purification tank 1 can be controlled, and the purpose of prepositive overflow prevention is achieved. The junction of overflow pipe and inlet tube is less than the highest design water level of purifying tank, and the rainwater that surpasss the purifying tank volume (the highest design water level of purifying tank promptly) does not purify through the purifying tank, but abandons the flow earlier through the overflow pipe, delays the purifying tank loss, increase of service life. The overflow pipe can be horizontally arranged and is 1 cm-2 cm lower than the highest designed water level of the purification tank.

The overflow pipe 21 is installed at the front end of the first valve 41, and when the first valve 41 is opened, the purification tank 1 is normally filled with water. When the first valve 41 is closed or the water level in the purification tank 1 exceeds the overflow port of the purification tank 1 (the overflow port is the joint of the purification tank 1 and the water inlet pipe 4), rainwater can be discharged from the overflow port through the overflow pipe 21, rainwater entering the purification tank 1 is reduced, rainwater is prevented from being continuously purified and discharged, the load of the purification tank is reduced, and the service life of the system is prolonged.

The water storage unit comprises a water storage tank 3, one end of the water storage tank 3 is connected with a water delivery pipe 5, the other end of the water storage tank 3 is connected with a water outlet pipe 6, and the joint of the water delivery pipe 5 and the water storage tank 3 is higher than the joint of the water outlet pipe 6 and the water storage tank 3. The water delivery pipe 5 is provided with a shunt pipe 7 and a third valve 61, and the third valve 61 is positioned between the shunt pipe 7 and the reservoir 3; the water outlet pipe 6 is provided with a fourth valve 71. The reservoir 3 is mainly used for storing purified rainwater, when the water in the reservoir 3 is full, the third valve 61 is opened and closed, and the rainwater flowing out of the purification tank 1 can directly flow out of the shunt pipe 7.

This device provides a flow diversion of the water flow into the reservoir 3 by means of the different opening and closing states of the second valve 51 and the third valve 61. There are mainly three cases:

Opening the second valve 51 and closing the third valve 61;

When the purification tank 1 needs to drain water and the water storage tank 3 works, the second valve 51 is opened, water flows out of the purification tank 1, and meanwhile, the third valve 61 is closed, so that the water flow is prevented from flowing out of the shunt pipe 7.

The third valve 61 is opened, and the second valve 51 is closed;

when the tank 1 is required to drain but the reservoir 3 is not operating, the third valve 61 is opened to allow water to flow out of the bypass pipe 7, while the second valve 51 is closed to prevent water from entering the reservoir 3.

Thirdly, the third valves 61 and 3 are both closed;

When it is desired that the reservoir 3 is not operating and the bypass tube 7 is not draining, the second valve 51 and the third valve 61 are both closed to shut off the flow of water.

the reservoir can be built on the ground or underground according to the terrain and soil conditions, namely divided into an open type reservoir and a closed type reservoir; the shape can be set into circular or rectangular; the different building materials are selected as follows: brick pools, masonry pools, concrete pools and the like, and concrete pools may be preferred.

The reservoir 3 comprises a pool wall, a pool bottom and a pool edge. The edge of the pool is higher than the ground to prevent soil and dirt around the pool from flowing into the pool, and the pool is generally formed by grouting bricks, barren rocks and precast concrete blocks. The pool wall is generally made by using bricks, barren rocks and concrete precast blocks to be grouted and cement mortar to be plastered. The bottom of the pool is generally in an inverted cone shape or a pot bottom shape, concrete is embedded into the bottom, the mixing is required to be uniform, the pouring is mechanically vibrated, the compactness and the flatness are achieved, and the surface is plastered by cement mortar. And building side wall foundation bricks while pouring at the bottom of the pool so as to connect the side wall foundation and the pool bottom concrete into a whole.

The rainwater after purifying also probably has remaining impurity to deposit in 3 internal long-term storages of cistern, for the blowdown of convenience in the cistern 3, the retaining unit still includes blow off pipe 31, and blow off pipe 31 sets up the bottommost at 3 bottoms of cistern. The drain pipe 31 is provided as a hollow pipe having a diameter of about 0.1m, and also facilitates cleaning and maintenance of the water reservoir 3.

this rainwater overflow purifier, including purifying cell, overflow unit and retaining unit, the drainage effect that dams the rivers is realized to different on-off states through the valve, simple structure, and easily operation improves the work efficiency of whole device. Each unit cooperation work can realize functions such as overflow prevention, sewage purification, retaining simultaneously, and the at utmost improves the work efficiency of each module, delays the device loss, increase of service life has the popularization nature in the actual production activity.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. A rainwater overflow purification device, comprising:

2. a rainwater overflow purification device according to claim 1, characterised in that: the overflow pipe is horizontally arranged and is 1 cm-2 cm lower than the highest designed water level of the purification tank.

3. A rainwater overflow purification device according to claim 1, characterised in that: the sedimentation zone is internally provided with guide plates which are obliquely arranged, and the horizontal distance from the upper ends of the guide plates to the partition plates is greater than the horizontal distance from the lower ends of the guide plates to the partition plates.

4. A rainwater overflow purification device according to claim 1, characterised in that: and a sand filtering medium is arranged in the filtering area, and the sand filtering medium is a filtering bag filled with river sand.

5. a rainwater overflow purification device according to claim 1, characterised in that: the filter area is internally provided with vertically arranged filter pipes, and the filter pipes are provided with purification balls.

6. A rainwater overflow purification device according to claim 1, characterised in that: the partition board is provided with a plurality of through holes, and the through holes transversely penetrate through the partition board.

7. A rainwater overflow purification device according to claim 1, characterised in that: the outer surface of the clapboard is covered with geotextile.

8. A rainwater overflow purification device according to claim 1, characterised in that: the cistern includes bottom of the pool and pool wall, the material of bottom of the pool and pool wall is the concrete, the bottom of the pool and the one side of pool wall and rainwater contact all are provided with cement mortar and wipe one's face.

9. A rainwater overflow purification device according to claim 1, characterised in that: the bottom of the reservoir is set to be inverted cone-shaped.

10. A rainwater overflow purification device according to claim 1, characterised in that: the water storage unit further comprises a drain pipe, and the drain pipe is arranged at the bottommost part of the bottom of the water storage tank.