CN212200556U - A rainwater collection and purification device - Google Patents

Abstract

The utility model discloses a rainwater collecting and purifying device, which comprises at least one rainwater collecting pool, a main flow pipe, at least one quasi-purifying pool, a primary purifying pool and a secondary purifying pool, wherein the quasi-purifying pool, the primary purifying pool and the secondary purifying pool are all closed, the rainwater collecting pool is provided with a primary filtering area and a mud collecting area, a sponge settling net is arranged in the quasi-purifying pool, an active carbon separating cage and a terminal purifying net are sequentially arranged in the purifying pool from top to bottom, the bottom of the purifying pool is provided with a primary purifying pipe, the primary purifying pipe is communicated with the primary purifying pool, a secondary purifying pipe is arranged on the side wall of the purifying pool at the upper part of the terminal purifying net, and the secondary purifying pipe is communicated with the secondary purifying pool; the utility model discloses simple structure, construction installation cost is low, handles the building roofing rainwater through collecting, filtering, purifying, and the water purification of production reaches drinking water and domestic water's requirement, can secondary cyclic utilization, has practiced thrift the water resource, satisfies the requirement of environmental protection again.

Description

A rainwater collection and purification device

technical field

The utility model belongs to the technical field of water treatment and purification equipment, in particular to a rainwater collection and purification device.

Background technique

With the rapid development of my country's industrial technology, the consumption of industrial water and domestic water continues to increase. The accompanying water environment pollution also follows. Water is a non-renewable resource and an essential and important resource in the sustainable development of society. In the industrial production of many industrial and mining enterprises, a large amount of water resources will be consumed and a large amount of water resources will be wasted. At the same time, urban rainwater directly enters the sewer without collection and treatment, causing great waste, and it also puts forward higher demands on the urban underground drainage system. According to the technical requirements, the rainwater pollution on the roof of the building is small, the impurities are few, and the purification treatment is simple. After treatment and purification, it can fully meet the requirements of drinking and domestic water. However, in the existing technology and equipment, the recycling and utilization of rainwater is very little, and there are not many recycling and utilization equipment, which causes a great waste of water resources.

Utility model content

The purpose of the utility model is to provide a rainwater collection and purification device, so as to solve the problem in the prior art that the low utilization rate of rainwater recycling causes great waste of water resources.

In order to achieve the above purpose, the technical scheme adopted by the present utility model is: a rainwater collection and purification device, comprising at least one rainwater collection tank, a main flow pipe, at least one quasi-purification tank, a purification tank, a first-level water purification tank, and a second-level water purification tank The quasi-purification pool, purification pool, primary water purification pool and secondary purification pool are all closed, and the rainwater collection pool is provided with a primary filtration area and a mud collection area, and the primary filtration area includes The filter screen and the primary filter screen are arranged in sequence from top to bottom, the mud collecting area includes the sediment collection and retention screen and the double-layer filter screen arranged in sequence, and the upper part of the side wall of the rainwater collection tank is communicated with the main flow pipe through the overflow pipe , the lower part of the side wall of the rainwater collection tank is communicated with the quasi-purification tank through the primary water pipe, the quasi-purification tank is provided with a sponge-type sedimentation net, the quasi-purification tank is communicated with the main flow pipe through the water purification pipe, and the purification tank is composed of An activated carbon separation cage and a terminal purification net are arranged in sequence from top to bottom. A separation agitator is arranged in the activated carbon separation cage. The separation agitator is driven by the separator motor. The outlet end of the main flow pipe is placed above the activated carbon separation cage. The bottom of the purification tank is provided with a first-level water purification pipe, the first-level water purification pipe is connected with the first-level purification tank, and the side wall of the purification tank at the upper part of the terminal purification net is provided with a second-level water purification pipe. The water purification pipe is communicated with the secondary purification pool.

Further, there are two rainwater collection tanks and two quasi-purification tanks.

Further, the top of the purification tank is provided with a purification agent inlet and is placed above the activated carbon separation cage inlet.

Further, a pool cover is provided above the rainwater collection pool.

The beneficial effects of the utility model are as follows: the structure is simple, the construction and installation cost is low, and the rainwater on the roof of the building is treated by collecting, precipitating, filtering and purifying, and the generated purified water meets the requirements of drinking water and domestic water, and can be recycled for the second time. , which not only saves water resources, but also meets the requirements of environmental protection; recycles and reuses rainwater from the roofs and pavements of rural and urban buildings to achieve the purpose of water saving and water pollution control; at the same time, it also reduces the water supply pressure of tap water and road area. Water and other problems also have a certain mitigation effect on soil erosion, river water pollution and other problems; it solves and alleviates the burden of urban watering, greening, road flushing and other public water use and car washing and other emerging water industries on tap water supply. Difficulties in urban drainage caused by flooding rainwater.

Description of drawings

Figure 1 is a schematic structural diagram of a rainwater collection and purification device.

In the picture: 1. Rainwater collection tank; 2. Pool cover; 3. Filter screen; 4. Main flow pipe; 5. Quasi-purification tank; 6. Purification tank; 7. Overflow pipe; 8. Primary water pipe; 9. Purified water Pipe; 10. Primary filter; 11. Sediment collection and retention net; 12. Double-layer filter; 13. Sponge sedimentation net; 14. Activated carbon separation cage; 15. Purifier inlet; 16. Separation mixer; 17. Separator motor; 18, primary water purification pipe; 19, primary purification pool; 20, secondary water purification pipe; 21, secondary purification pool.

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings.

As shown in FIG. 1, a rainwater collection and purification device includes at least one rainwater collection pool 1, a main flow pipe 4, at least one quasi-purification pool 5, a purification pool 6, a primary water purification pool 19, and a secondary purification pool 21, The quasi-purification pool 5, the purification pool 6, the primary water purification pool 19, and the secondary purification pool 21 are all closed. The upper part of the side wall of the rainwater collection tank 1 includes the filter screen 3 and the primary filter screen 10 arranged in sequence from top to bottom. The overflow pipe 7 is communicated with the main flow pipe 4, and the lower part of the side wall of the rainwater collection tank 1 is communicated with the quasi-purification tank 5 through the primary water pipe 8. The quasi-purification tank 5 is provided with a sponge-type sedimentation net 13. The purification tank 5 is communicated with the main flow pipe 4 through the water purification pipe 9. The purification tank 6 is provided with an activated carbon separation cage 14 and a terminal purification net 22 in sequence from top to bottom. The activated carbon separation cage 14 is provided with a separation stirrer 16. , the separation agitator 16 is driven by the separator motor 17, the outlet end of the main flow pipe 4 is placed above the activated carbon separation cage 14, the bottom of the purification tank 6 is provided with a first-level water purification pipe 18, the first-level purified water The pipe 18 is communicated with the primary water purification pool 19, and a secondary water purification pipe 20 is provided on the side wall of the purification pool 6 on the upper part of the terminal purification net 4, and the secondary water purification pipe 20 is communicated with the secondary water purification pool 21, so The top of the purification tank 6 is provided with a purification agent inlet 15 and is placed above the inlet of the activated carbon separation cage 14 , and a pool cover 2 is provided above the rainwater collection tank 1 .

There are two rainwater collection pools 1 and 5 quasi-purification pools, respectively, which are communicated with the main flow pipe 4 at the entrance of the purification pool 6 through the overflow pipe 7 and the water purification pipe 9 respectively. There are multiple rainwater collection pools 1 and quasi-purification pools 5 at the location.

During the use of the utility model, the rainwater collection and purification device is installed on the ground or below the road surface, the rainwater flows to the rainwater collection tank 1 through the pool cover 2 through the filter screen 3 and the primary filter screen 10, and a part of the water is directly filtered by the overflow after the primary filter. The flow pipe 7 flows to the main flow pipe 4 and enters the activated carbon separation cage 14, and another part of the water enters the sediment collecting net 11 and the double-layer filter screen 12 in the mud collecting area, and then enters the quasi-purifying pool 5 through the primary water pipe 8, and then passes through the sponge. After filtering by the type sedimentation net 13, it flows to the main flow pipe 4 through the water purification pipe 9 and enters the activated carbon separation cage 14, and a certain proportion of the used purifying agent is added through the purifying agent inlet 15 at the top of the purification tank 6, and the water-to-medicine ratio of the added purifying agent is 200. : 1, start the separator motor 17 to drive the activated carbon separation cage 14 to rotate and separate, and after being separated by the activated carbon separator 16, a part of the water is purified by the terminal purification net 22 and then enters the primary water purification pool 19 through the primary water purification pipe 18, and the terminal purification net 22 is a dense mesh with small pores, and the other part of the water directly flows into the secondary water purification pool 21 through the secondary water inlet pipe 20. The water in the primary water purification pool 19 reaches the drinking water standard, and the secondary water purification The water in the pool 21 reaches the standard of domestic rainwater and can be used for laundry, bathing, greening, and the like.

After the sediment collection and retention net 11 is used for a period of time, after the sediment and other substances reach a certain amount, the staff will pull out the net, clean it, and install it and continue to use it. When the filter screen is damaged, it can be replaced in a targeted manner; Installation and replacement are convenient and cost saving.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (4)

1. A rainwater collection and purification device, characterized in that it comprises at least one rainwater collection pool (1), a main flow pipe (4), at least one quasi-purification pool (5), a purification pool (6), a first-level water purification pool ( 19), secondary purification pool (21), the quasi purification pool (5), purification pool (6), primary purification pool (19), secondary purification pool (21) are all closed, so The rainwater collection tank (1) is provided with a primary filter area and a mud collection area, the primary filter area includes a filter screen (3) and a primary filter screen (10) arranged in sequence from top to bottom, and the mud collection area includes The sediment collection and retention net (11) and the double-layer filter screen (12) are arranged in sequence, and the upper part of the side wall of the rainwater collection tank (1) is communicated with the main flow pipe (4) through the overflow pipe (7). The lower part of the side wall of the collection tank (1) is communicated with the quasi-purification tank (5) through the primary water pipe (8), the quasi-purification tank (5) is provided with a sponge-type sedimentation net (13), and the quasi-purification tank (5) ) is communicated with the main flow pipe (4) through the water purification pipe (9), and an activated carbon separation cage (14) and a terminal purification net (22) are arranged in the purification tank (6) in sequence from top to bottom. (14) is provided with a separation agitator (16), the separation agitator (16) is driven by the separator motor (17), and the outlet end of the main flow pipe (4) is placed above the activated carbon separation cage (14), so The bottom of the purification tank (6) is provided with a first-level water purification pipe (18), the first-level water purification pipe (18) is communicated with the first-level purification tank (19), and the purification tank on the upper part of the terminal purification net (22) (6) A secondary water purification pipe (20) is provided on the side wall, and the secondary water purification pipe (20) communicates with the secondary water purification pool (21). 2 . The rainwater collection and purification device according to claim 1 , wherein there are two rainwater collection pools ( 1 ) and two quasi-purification pools ( 5 ). 3 . 3. A rainwater collection and purification device according to claim 1 or 2, characterized in that: the top of the purification tank (6) is provided with a purification agent inlet (15) and is placed at the entrance of the activated carbon separation cage (14). above. 4. The rainwater collection and purification device according to claim 1, wherein a pool cover (2) is provided above the rainwater collection pool (1).

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