CN112843869A

CN112843869A - Filtering device and rainwater recycling system applying same

Info

Publication number: CN112843869A
Application number: CN202011563596.8A
Authority: CN
Inventors: 张翼飞
Original assignee: Tianjin Rail Transit Urban Development Co ltd
Current assignee: Tianjin Rail Transit Urban Development Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-05-28
Anticipated expiration: 2040-12-25
Also published as: CN112843869B

Abstract

The invention discloses a filtering device and a rainwater recycling system applying the same, and relates to the technical field of rainwater recycling. The filtering device comprises a main body bracket, and a water storage bin and a water receiving tank which are respectively arranged on the upper side and the lower side of the main body bracket; the main body bracket is provided with a first water filtering component connected with the water storage bin, and rainwater filtered by the first water filtering component flows into the water receiving tank; the inboard second drainage component that is equipped with of main part support, second drainage component are including fixed setting up straining a section of thick bamboo in main part support inboard, strain inboard bottom of a section of thick bamboo and be equipped with water injection layer, and water injection layer upside is equipped with a plurality of filter layers in proper order, water injection layer and water receiving tank intercommunication, and the water receiving tank still is connected with supercharging device. A rainwater recycling system comprises the filtering device. The invention provides a filtering device and a rainwater recycling system applying the filtering device, which can fully filter rainwater, ensure the quality of reuse water and ensure the water safety of users.

Description

Filtering device and rainwater recycling system applying same

Technical Field

The invention relates to the technical field of rainwater recycling, in particular to a filtering device and a rainwater recycling system using the same.

Background

Along with the further development of society, the contradiction of water resource shortage is gradually deepened, the environmental and ecological problems are synchronously expanded, the tap water supply of many cities and regions is difficult to synchronously keep pace with the step of urbanization development, and the burden of the tap water supply is further increased by the irrigation greening and road washing of the cities and other public service water and the washing of cars and other emerging water use industries; on the other hand, in the rainstorm season of each year, the overflowed rainwater causes great difficulty in draining water for cities. In order to solve the contradiction of one series of water shortage, rainwater flooding in rainy season, environment, ecology and the like, people pay attention to the recovery and utilization of rainwater, and the problem of the series of water shortage, environment and ecology is solved. And the two problems brought to urban construction are solved by the recovery and utilization of the rainwater.

The prior patent with the publication number of CN105544648B discloses a water storage device and a water storage method for collecting, storing and recycling rainwater, wherein the water storage device comprises a filtering well and a water outlet tank, a rainwater collecting pipe of a building is connected with the filtering well, the filtering well is connected with the water outlet tank through a pipeline, the water outlet tank is connected with a plurality of permeation pipes, the water outlet tank is connected with a lift pump, the water outlet tank is buried underground, and the top of the water outlet tank resists the perennial underground water level.

Adopt above-mentioned technical scheme, filter well and infiltration pipe all can play the filtering action to the rainwater, but this kind of filtration mode has following problem: (1) most common residents do not need to excavate the filter well, so that the application range of the filtering mode is narrow, and the cost is relatively high; (2) traditional filtration mode rainwater passes through filtering mechanism under gravity and water pressure combined action and accomplishes the filtration, especially when the rainwater volume is great, and water level is higher among the filtering mechanism, and the rainwater is short through filtering mechanism's time, leads to its filter effect relatively poor, is unfavorable for recycle.

Disclosure of Invention

The invention aims to provide a filtering device, wherein a supercharging device is utilized to push rainwater to sequentially pass through each filtering layer from bottom to top to complete filtering, a filtering well is not required to be excavated, the cost can be reduced, and the filtering effect of the rainwater can be fully ensured.

The technical purpose of the invention is realized by the following technical scheme:

a filtering device comprises a main body bracket, and a water storage bin and a water receiving tank which are respectively arranged at the upper side and the lower side of the main body bracket; the main body bracket is provided with a first water filtering component connected with the water storage bin, and rainwater filtered by the first water filtering component flows into the water receiving tank; the water filter comprises a main body support and is characterized in that a second water filtering component is arranged on the inner side of the main body support, the second water filtering component comprises a filter cylinder fixedly arranged on the inner side of the main body support, a water injection layer is arranged at the bottom of the inner side of the filter cylinder, a plurality of filter layers are sequentially arranged on the upper side of the water injection layer, the water injection layer is communicated with a water receiving tank, and the water receiving tank is further connected with a.

By adopting the technical scheme, the collected rainwater is stored in the water storage bin, and the rainwater flows into the water receiving tank after being filtered by the first water filtering component; under the action of the supercharging device, rainwater in the water receiving tank continuously enters the water injection layer and is filtered by the filter layers from bottom to top in sequence. By adopting the mode, the pressure born by the rainwater is controllable, the time of the rainwater passing through each filter layer is also controllable, and each filter layer can fully filter the rainwater so as to ensure the filtering effect.

The invention is further configured to: first drainage subassembly is erect in main part support one side and is drawn together the drainage runner with the reservoir intercommunication including the slope, the inboard bottom of drainage runner is the notch cuttype structure from top to bottom, all forms on the ladder at different levels have a plurality of drainage holes that are evenly distributed, and the rainwater warp the drainage hole filters the back flow water receiving tank.

By adopting the technical scheme, the upper side of the water filtering channel is arranged into a step-shaped structure, and when rainwater flows downwards through the water filtering channel, each step can play a stagnant flow effect on impurities in the rainwater, so that large impurities in the rainwater can be removed; in the process, rainwater can flow into the water receiving tank after being filtered through the water filtering holes in the steps.

The invention is further configured to: a water storage tank is formed at the lower side of the water filtering channel, and a second filter screen is arranged at the upper side opening of the water storage tank; and a water inlet and a water outlet of the circulating water pump are respectively connected with the water storage tank and the water storage bin through pipelines.

By adopting the technical scheme, when rainwater in the water storage bin flows into the water filtering channel, the second filter screen can filter the rainwater for the first time to remove large impurities in the rainwater; when the rainwater flows downwards to the water storage tank, the circulating water pump can pump the rainwater in the water storage tank back to the water storage bin again. Therefore, rainwater can flow circularly between the water storage bin and the water storage tank, and circulating filtration is realized.

The invention is further configured to: the upper side of the water filtering channel is hinged with the main body support, and the lower side of the main body support is also provided with a turnover driving device for pushing the water filtering channel to turn over up and down.

Through adopting above-mentioned technical scheme, upset drive arrangement can drive the water filtering passageway and overturn from top to bottom, changes the inclination of water filtering passageway, and then the velocity of flow of adjustment rainwater, when guaranteeing the filter effect, the adjustable rainwater is at the speed of storage water tank and the circulation flow between the water storage storehouse.

The invention is further configured to: and a first reverse osmosis membrane is arranged at the opening of the water receiving tank for communicating the water injection layer.

Through adopting above-mentioned technical scheme, in the water receiving tank, receive the supercharging device effect, the rainwater can continuously get into through first reverse osmosis membrane and annotate the water layer, and first reverse osmosis membrane can play the filter action once more to the rainwater.

The invention is further configured to: each filtering layer sequentially comprises a PP cotton layer, a granular activated carbon layer, a compressed activated carbon layer, a second reverse osmosis membrane and a postposition activated carbon layer from bottom to top; and a water storage layer is also arranged above the rear activated carbon layer.

By adopting the technical scheme, the PP cotton layer, the granular activated carbon layer and the compressed activated carbon layer can perform a coarse filtration effect on rainwater, retain larger impurities in the rainwater and further play a role in effectively guaranteeing the quality of the second reverse osmosis membrane; the second reverse osmosis membrane can intercept all the fine impurities, excessive inorganic salts, organic matters, heavy metal ions, bacteria, viruses, pesticides, trichloromethane waste and other harmful substances in the rainwater, so that clean reuse water is obtained and can be even directly drunk; the post-positioned active carbon layer mainly plays a role in improving the mouthfeel of the reuse water.

The invention is further configured to: the upper side of the water filtering channel is hinged with a transparent turnover cover.

Through adopting above-mentioned technical scheme, transparent flip convenience of customers looks over the inside condition of drainage passageway to convenience of customers in time clears up the impurity that deposits up in the drainage passageway.

Another object of the present invention is to provide a rainwater recycling system, which utilizes the above-mentioned filtering device to fully filter the collected rainwater, so as to ensure the quality of the reuse water and the safety of the water.

a rainwater recycling system comprises the filtering device.

The invention is further configured to: the rainwater collecting module, the rainwater storage module and the rainwater processing module are also included;

the rainwater collection module comprises a rainwater collection sedimentation tank, a water collection tank and a distribution well which are sequentially communicated through pipelines, and the water collection tank is also sequentially communicated with a flow abandoning well and an overflow drainage well through pipelines;

the rainwater storage module comprises a water storage tank, and the water inlet side and the water outlet side of the water storage tank are respectively communicated with the distribution well and the filtering device;

and the rainwater treatment module comprises the filtering device and a disinfection device connected with the filtering device.

In conclusion, the beneficial technical effects of the invention are as follows:

(1) the collected rainwater is pushed by the supercharging device to sequentially pass through the filter layers from bottom to top, so that the rainwater is fully filtered by the filter layers, and the filtering effect is ensured;

(2) the circulating water pump is utilized to realize the circulating flow between the rainwater storage tank and the water storage bin, the rainwater is circularly filtered, and the filtering effect of the rainwater is further improved by matching with various steps arranged on the upper side of the water filtering channel;

(3) through set up above-mentioned filter equipment in rainwater recycle system, guarantee the quality of water of reuse, ensure user's water safety.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a schematic view of the overall structure of embodiment 2 of the present invention.

Reference numerals: 1. a main body support; 2. a water storage bin; 3. a water receiving tank; 4. a booster pump; 5. a water filtration channel; 51. a transparent flip cover; 52. water filtering holes; 53. a water storage tank; 6. a turnover driving device; 7. a first filter screen; 8. a second filter screen; 9. a filter cartridge; 91. injecting a water layer; 92. a PP cotton layer; 93. a granular activated carbon layer; 94. compressing the activated carbon layer; 95. a second reverse osmosis membrane; 96. a rear active carbon layer; 97. a water storage layer; 10. a first reverse osmosis membrane; 100. a rainwater collection and sedimentation tank; 200. a water collecting tank; 300. a dispensing well; 400. abandoning a flow well; 500. an overflow drainage well; 600. a water storage tank; 700. a filtration device; 800. a sterilizing device.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Example 1:

referring to the attached figure 1, the filtering device comprises a main body support 1, a water storage bin 2 is fixed at the top of the main body support 1, a water receiving tank 3 is arranged on one side of the bottom of the main body support 1, the top of the water receiving tank 3 is open, a supercharging device is arranged in the water receiving tank, and the supercharging device can use a supercharging pump 4.

A first water filtering component is arranged on one side wall of the main body support 1, the first water filtering component comprises a water filtering channel 5 which is obliquely erected on the main body support 1, the upper side of the water filtering channel 5 is hinged with the main body support 1, and the lower side of the main body support 1 is also provided with a turnover driving device 6 for driving the water filtering channel 5 to turn over up and down; the turning driving device 6 can adopt a plurality of hydraulic cylinders arranged side by side, the bottoms of the hydraulic cylinders are hinged with the main body bracket 1, and piston rods of the hydraulic cylinders are hinged with the lower side of the water filtering channel 5.

Referring to fig. 1, the water filtering channel 5 is integrally of a box-type structure, and the upper side of the water filtering channel is of an open structure; in order to avoid external impurities from falling into the water filtering channel 5, the upper side of the water filtering channel 5 is also hinged with a transparent turning cover 51, so that a user can observe and maintain the water filtering channel 5 conveniently. One side that drainage channel 5 is close to water storage storehouse 2 is provided with the opening, and this opening passes through pipeline and 2 intercommunications in water storage storehouse, and the opening part still is provided with first filter screen 7, and first filter screen 7 can play the filter effect to the rainwater that comes from water storage storehouse 2. Meanwhile, the bottom of the inner side of the water filtering channel 5 can be arranged into a ladder-shaped structure from top to bottom, a plurality of water filtering holes 52 which are uniformly distributed are formed in each stage of ladder, each water filtering hole 52 penetrates through the water filtering channel 5 from top to bottom, the opening at the lower end of the water filtering hole is over against the water receiving tank 3 below, and a filter screen can be arranged at the outlet of each water filtering hole 52. In the process that rainwater flows downwards along the water filtering channel 5, each step can play a role in stagnation of the rainwater; meanwhile, the rainwater filtered by each filtering hole just flows into the lower water receiving tank 3.

The lower part of the water filtering channel 5 is provided with a water storage tank 53 corresponding to the last stage, and the upper side of the water storage tank 53 is provided with an opening and a second filter screen 8; meanwhile, the main body bracket 1 is also provided with a circulating water pump, and a water inlet and a water outlet of the circulating water pump are respectively connected with the water storage tank 53 and the water storage bin 2 through pipelines; in operation, the rainwater flowing into the water storage tank 53 through the second filter 8 can be pumped back to the water storage bin 2 by the circulating water pump, so that the rainwater can circularly flow between the water storage bin 2 and the water storage tank 53.

It should be noted that the first water filtering components can be arranged in several groups on the periphery of the main body bracket 1; meanwhile, the overall structure of the main body support 1 can be adjusted according to actual requirements, and when the structure of the main body support 1 is changed, the number of the first water filtering components arranged on the peripheral side of the main body support can be changed accordingly.

Referring to the attached drawing 1, a second water filtering component is further arranged on the inner side of the main body bracket 1; the second water filtering component comprises a filter cylinder 9 which is vertically and fixedly arranged on the inner side of the main body support 1, a water injection layer 91 is arranged at the bottom of the filter cylinder 9, and a plurality of filtering layers are sequentially arranged on the upper side of the water injection layer 91; wherein, the water injection layer 91 is communicated with the water receiving tank 3.

In order to guide rainwater in the water receiving tank 3 into the filter cartridge 9, an opening is formed in one side, close to the filter cartridge 9, of the water receiving tank 3, and a first reverse osmosis membrane 10 is arranged in the opening. Under the action of the supercharging device, rainwater can enter the water injection layer 91 only through the first reverse osmosis membrane 10; in the process, the first reverse osmosis membrane 10 can filter rainwater to remove fine impurities in the rainwater.

The filtering layers at each level can be sequentially arranged into a PP cotton layer 92, a granular activated carbon layer 93, a compressed activated carbon layer 94, a second reverse osmosis membrane 95 and a rear activated carbon layer 96 from bottom to top; meanwhile, a water storage layer 97 is also arranged above the rear activated carbon layer 96 and used for storing purified reuse water.

It should be noted that the specific material of each filtering layer can be adjusted according to actual requirements, or replaced by other materials with filtering function, or a part of the conventional filtering layer is added, or a part of the filtering layer is reduced, all of which fall into the protection scope of the present invention.

The working principle of the embodiment is as follows: in the work, the recovered rainwater is stored in the water storage bin 2, and the rainwater in the water storage bin 2 can enter the water filtering channel 5 after passing through the first filter screen 7; in the process of flowing downwards along the water filtering channel 5, the rainwater flows into the lower water receiving tank 3 after being filtered by the water filtering holes 52. Meanwhile, each step can play a stagnant flow effect on rainwater, and the circulating water pump can drive the rainwater to circularly flow between the water storage bin 2 and the water storage tank 53.

Rainwater in the water receiving tank 3 can continuously enter the water injection layer 91 through the first reverse osmosis membrane 10 under the action of the booster pump 4; along with the continuous entering of the rainwater into the water injection layer 91, the rainwater in the water injection layer 91 gradually moves upwards and sequentially passes through the filtering layers at all levels; in the process, the filtering layers at all levels can sequentially filter rainwater. Through this kind of mode, ensure that each filter layer realizes fully filtering to the rainwater, guarantee the filter effect, and then ensure user's water safety.

Example 2:

referring to fig. 2, a rainwater recycling system includes a rainwater collection module, a rainwater storage module, and a rainwater treatment module. Wherein, the rainwater treatment module comprises the filtering device 700 and a disinfection device 800 connected with the filtering device 700.

The rainwater collection module comprises a rainwater collection sedimentation tank 100, a water collection tank 200 and a distribution well 300 which are sequentially communicated through pipelines, and the water collection tank 200 is further sequentially connected with a flow abandoning well 400 and an overflow drainage well 500 through pipelines.

The rainwater storage module includes a water storage tank 600, and a water inlet side and a water outlet side of the water storage tank 600 are respectively communicated with the distribution well 300 and the filtering device 700.

The working principle of the embodiment is as follows:

in operation, collected rainwater is sequentially drained into the water collecting tank 200 and the distribution well 300 after completing sedimentation in the rainwater collection and sedimentation tank 100; relatively clean water at the upper part of the distribution well 300 enters the water storage tank 600 for storage, water with more impurities at the bottom of the distribution well 300 is discharged into the abandoning well 400, and water overflowing from the abandoning well 400 enters the overflow drainage well 500 and is further discharged into a municipal pipe network. The water in the water storage 600 can enter the water storage bin 2 through a pipeline, and the filtering device 700 can fully filter the water; the filtered reuse water is sterilized by the sterilizing apparatus 800 and then sent to a water consumption point for use.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A filter device, characterized by: comprises a main body bracket (1), and a water storage bin (2) and a water receiving tank (3) which are respectively arranged at the upper side and the lower side of the main body bracket (1); a first water filtering component connected with the water storage bin (2) is arranged on the main body support (1), and rainwater filtered by the first water filtering component flows into the water receiving tank (3); the utility model discloses a filter cartridge, including main body support (1), water injection layer (91) upside, water injection layer (91) and water receiving tank (3) intercommunication, just water receiving tank (3) still are connected with supercharging device, main body support (1) inboard is equipped with second water filtering component, second water filtering component sets up in main body support (1) inboard straining a section of thick bamboo (9) including fixed, strain inboard bottom of section of thick bamboo (9) and be equipped with water injection layer (91), water injection layer (91) upside is equipped with a plurality of filter.

2. A filter arrangement according to claim 1 wherein: first drainage subassembly is erect in main part support (1) one side and is drawn together the drainage runner with water storage storehouse (2) intercommunication including the slope, drainage passageway (5) inboard bottom is the notch cuttype structure from top to bottom, and equal shaping has a plurality of water filtering holes (52) that are evenly distributed on the ladder at different levels, and the rainwater warp water filtering holes (52) flow into water receiving tank (3) after filtering.

3. A filter arrangement according to claim 2, wherein: a water storage tank (53) is formed at the lower side of the water filtering channel (5), and a second filter screen (8) is arranged at the upper side opening of the water storage tank (53); and a water inlet and a water outlet of the circulating water pump are respectively connected with the water storage tank (53) and the water storage bin (2) through pipelines.

4. A filter arrangement according to any one of claims 2-3 wherein: the upper side of the water filtering channel (5) is hinged with the main body support (1), and the lower side of the main body support (1) is also provided with a turnover driving device (6) for pushing the water filtering channel (5) to turn over up and down.

5. A filter arrangement according to claim 1 wherein: and a first reverse osmosis membrane (10) is arranged at an opening of the water receiving tank (3) for communicating the water injection layer (91).

6. A filter device according to claim 1 or 5, wherein: each filtering layer is sequentially provided with a PP cotton layer (92), a granular activated carbon layer (93), a compressed activated carbon layer (94), a second reverse osmosis membrane (95) and a rear activated carbon layer (96) from bottom to top; a water storage layer (97) is also arranged above the rear activated carbon layer (96).

7. A filter device according to claims 2-3, wherein: the upper side of the water filtering channel (5) is hinged with a transparent flip cover (51).

8. The utility model provides a rainwater recycle system which characterized in that: comprising a filter device (700) according to any of claims 1-7.

9. A rainwater recycling system according to claim 8, characterised in that: the rainwater collecting module, the rainwater storage module and the rainwater processing module are also included;

the rainwater collection module comprises a rainwater collection sedimentation tank (100), a water collection tank (200) and a distribution well (300) which are sequentially communicated through pipelines, and the water collection tank (200) is further sequentially communicated with a flow abandoning well (400) and an overflow drainage well (500) through pipelines;

the rainwater storage module comprises a water storage tank (600), and the water inlet side and the water outlet side of the water storage tank (600) are respectively communicated with the distribution well (300) and the filtering device (700);

a rainwater treatment module comprising the filtering device (700) and a disinfection device (800) connected with the filtering device (700).