CN215829524U - Roof rainwater collecting and treating device - Google Patents
Roof rainwater collecting and treating device Download PDFInfo
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- CN215829524U CN215829524U CN202122452491.1U CN202122452491U CN215829524U CN 215829524 U CN215829524 U CN 215829524U CN 202122452491 U CN202122452491 U CN 202122452491U CN 215829524 U CN215829524 U CN 215829524U
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- rainwater
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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Abstract
一种屋顶雨水收集处理装置，属于雨水收集技术领域，本实用新型为了解决初期雨水污染程度高，由屋顶收集的雨水后期净化时净化层使用寿命短，净化成本高的问题。包括集雨槽、初雨池和预处理罐。降雨初期，通过控制电动阀的启闭，使集雨槽收集的污染较重的初期雨水完全流入初雨池，根据屋顶面积及初雨池底面积设定初雨池上液位传感器的液位变送数值，设定当初雨池收集的雨水等于屋顶面积的10mm降雨量时，改变雨水流向，使收集到的雨水开始依次通过预处理罐和净化装置，处理净化最终得到可利用的净水，初期雨水被单独收集，流入净化装置的雨水是水质非常好的部分，极大缓解了雨水后期净化的压力，使净化层使用寿命增高，净化成本降低。
A roof rainwater collection and treatment device belongs to the technical field of rainwater collection. The utility model solves the problems of high pollution degree of rainwater in the initial stage, short service life of the purification layer and high purification cost when the rainwater collected by the roof is purified later. Including rain collection tank, primary rain basin and pretreatment tank. In the early stage of rainfall, by controlling the opening and closing of the electric valve, the heavily polluted initial rainwater collected by the rain trough can be completely flowed into the initial rain pond. , set the rainwater collected by the rain pool to be equal to the rainfall of 10mm of the roof area, change the rainwater flow direction, so that the collected rainwater starts to pass through the pretreatment tank and the purification device in turn, and finally obtains usable clean water after treatment and purification, and the initial rainwater is separated The rainwater collected and flowing into the purification device is the part with very good water quality, which greatly relieves the pressure of the later purification of the rainwater, increases the service life of the purification layer and reduces the purification cost.
Description
Technical Field
The utility model belongs to the technical field of rainwater collection, and particularly relates to a roof rainwater collection and treatment device.
Background
In recent years, people pay more attention to the collection and utilization of rainwater, and a plurality of cities begin to popularize the concept of sponge city, absorb, store, seep and purify water when raining, and release and utilize the stored water when necessary, so that the rainwater can migrate freely in the city.
The pitched roof is also called as the pitched roof, and refers to the roof with the drainage gradient generally larger than 3%, the pitched roof is widely applied to buildings due to good moisture resistance, and meanwhile, the pitched roof is also an excellent rainwater collector, and rainwater falling on the pitched roof finally flows down along the rain eaves.
However, since the air contains a certain amount of acid gas, automobile exhaust and PM2.5 particles, a certain amount of harmful gas and dust particles are dissolved in the initial rainwater (which means the rainfall with the thickness of 10mm and formed surface runoff), and impurities such as dust, silt, fallen leaves, plastics and the like which float on the roof are washed by the initial rainwater, so that the pollution degree of the initial rainwater collected by the roof is even higher than that of the urban sewage, which brings great difficulty to later rainwater purification, and the purification layer has short service life and high purification cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a roof rainwater collecting and treating device, which aims to solve the problems of high initial rainwater pollution degree, short service life of a purifying layer during later purification of rainwater collected by a roof and high purification cost. The technical scheme adopted by the utility model is as follows:
a roof rainwater collecting and processing device comprises a rainwater collecting groove, a primary rainwater pool and a pretreatment tank; the bottom end of the rain collecting groove is communicated with the top end of the primary rain pool and the top end of the pretreatment tank through pipelines respectively, a first electric valve is arranged on the pipeline between the rain collecting groove and the primary rain pool, a second electric valve is arranged on the pipeline between the rain collecting groove and the pretreatment tank, a first liquid level sensor is arranged on the primary rain pool, a coarse strainer is arranged on the upper portion of the pretreatment tank, the coarse strainer is obliquely cut inside the pretreatment tank, the pretreatment tank is communicated with a purification device through a pretreatment water outlet formed in the bottom, and a fine filter screen is arranged at the pretreatment water outlet.
Furthermore, a primary rain discharge port is arranged at the bottom end of the primary rain pool, and a valve is arranged on the primary rain discharge port.
Furthermore, a temporary storage chamber communicated with the pretreatment tank is arranged on the side wall of the pretreatment tank, the temporary storage chamber is arranged along the slope direction of the coarse filter screen, the bottom wall of the temporary storage chamber is flush with the bottom end of the coarse filter screen, and an upper cover is arranged at the top end of the temporary storage chamber.
Furthermore, a second liquid level sensor is arranged on the temporary storage chamber, a dredging and water plugging pipe is arranged below the coarse strainer, one end of the dredging and water plugging pipe is connected with a high-pressure spray head, the high-pressure spray head is arranged along the slope direction of the coarse strainer and faces the temporary storage chamber, the other end of the dredging and water plugging pipe extends to the external of the pretreatment tank and is connected with a tap water pipe, and a dredging and water plugging electric valve is arranged on the dredging and water plugging pipe.
Furthermore, an overflow pipe is arranged on the temporary storage chamber, and a water inlet of the overflow pipe is arranged above a sensitive element of the second liquid level sensor.
Furthermore, the pretreatment tank is a cylindrical cavity, the bottom end inside the pretreatment tank is provided with a horizontally rotating stirring fin, the bottom end of the side wall of the pretreatment tank is provided with a detachably connected sand collecting box, and the sand collecting box is communicated with the pretreatment tank.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the early stage of rainfall, the first electric valve is opened, the second electric valve is closed, so that initial rainwater which is collected by the rainwater collection tank and is heavily polluted completely flows into the primary rainwater pool, the liquid level transmission value of the first liquid level sensor is set according to the roof area and the bottom area of the primary rainwater pool, when the rainwater collected by the primary rainwater pool is equal to the rainfall of 10mm of the roof area, the first liquid level sensor sends a control signal to close the first electric valve, the second electric valve is opened, the collected rainwater starts to sequentially pass through the pretreatment tank and the purification device, available purified water is finally obtained after treatment and purification, the initial rainwater is collected separately, and the rainwater flowing into the purification device is a part with very good water quality, so that the pressure of later-stage purification of the rainwater is greatly relieved, the service life of a purification layer is prolonged, and the purification cost is reduced;
2. the coarse strainer can filter large-volume impurities entering the pretreatment tank, the later rainwater purification pressure is further reduced, the large-volume impurities are flushed into the temporary storage chamber along the inclined surface of the coarse strainer and can be cleaned through the upper cover, the blocking removal water pipe can prevent the coarse strainer from being blocked by large-volume impurities such as fallen leaves and plastics, when the coarse strainer is blocked, water flow is deposited above the coarse strainer, a gradually-rising liquid level triggers the second liquid level sensor, the second liquid level sensor sends out a control signal to enable the blocking removal electric valve to be opened, the high-pressure sprayer starts to spray water to the coarse strainer, after the impurities blocking the coarse strainer are flushed into the temporary storage chamber, rainwater continues to flow to the backward sequence device, after the liquid level of the rainwater deposited above the coarse strainer is reduced, the second liquid level sensor sends out a control signal to close the blocking removal electric valve, the high-pressure sprayer stops spraying water, and the blocking removal process is automatically controlled;
3. the fine filter screen can filter the large granule silt that gets into the preliminary treatment jar, and large granule silt rotates along preliminary treatment jar inner wall centrifugation through the stirring of stirring wing, rotates and get into and obtain keeping in behind the sand collection box department, regularly dismantles the clearance to the sand collection box, further reduces later stage rainwater purification pressure.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-a rain collecting groove, 2-a first electric valve, 3-a primary rain tank, 31-a first liquid level sensor, 32-a primary rain discharge port, 4-a second electric valve, 5-a pretreatment tank, 6-a coarse filter screen, 7-a temporary storage chamber, 71-a second liquid level sensor, 72-an overflow pipe, 8-a dredging and blocking pipe, 81-a high-pressure spray head, 82-a dredging and blocking electric valve, 9-a fine filter screen, 10-a stirring fin, 11-a sand collecting box, 12-a first purification tank, 13-a first purification layer, 14-a domestic water outlet, 15-a water pump, 16-a second purification tank, 17, a second purification layer, 18-a drinking water outlet and 19-a roof.
Detailed Description
In order that the objects, aspects and advantages of the utility model will become more apparent, the utility model will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The connection mentioned in the utility model is divided into fixed connection and detachable connection, the fixed connection is non-detachable connection and comprises but is not limited to folding edge connection, rivet connection, bonding connection, welding connection and other conventional fixed connection modes, the detachable connection comprises but is not limited to bolt connection, buckle connection, pin connection, hinge connection and other conventional detachment modes, when the specific connection mode is not clearly limited, the skilled person can select at least one connection mode from the existing connection modes to realize the function according to the needs. For example: the fixed connection selects welding connection, and the detachable connection selects bolt connection.
The present invention will be described in further detail with reference to the accompanying drawings, and the following examples are illustrative of the present invention, but the present invention is not limited to the following examples.
As shown in the figure, the roof rainwater collecting and treating device comprises a rainwater collecting groove 1, a primary rainwater pool 3 and a pretreatment tank 5; the rain collecting groove 1 is used for bearing the eave of the roof 19, the bottom end of the rain collecting groove 1 is respectively communicated with the top end of the primary rain pool 3 and the top end of the pretreatment tank 5 through a pipeline, a first electric valve 2 is arranged on the pipeline between the rain collecting groove 1 and the primary rain pool 3, a second electric valve 4 is arranged on the pipeline between the rain collecting groove 1 and the pretreatment tank 5, a first liquid level sensor 31 is arranged on the primary rain pool 3, a coarse strainer 6 is arranged on the upper portion of the pretreatment tank 5, the coarse strainer 6 is obliquely cut inside the pretreatment tank 5, the pretreatment tank 5 is communicated with a purification device through a pretreatment water outlet formed in the bottom, and a fine filter screen 9 is arranged at the pretreatment water outlet; the purification device comprises a first purification tank 12 and a second purification tank 16, the bottom end of the pretreatment tank 5 is communicated with the top end of the first purification tank 12, the bottom end of the first purification tank 12 is communicated with the second purification tank 16 through a pipeline, a water pump 15 is arranged on the pipeline between the first purification tank 12 and the second purification tank 16, a first purification layer 13 is arranged in the middle of the first purification tank 12, the first purification layer 13 sequentially comprises a cobble layer, a quartz sand layer and an activated carbon layer from top to bottom, the bottom end of the first purification tank 13 is provided with a domestic water outlet 14, a second purification layer 17 is arranged between the water inlet and the water outlet of the second purification tank 16, the second purification layer 17 sequentially comprises a front PP cotton layer, a front activated carbon layer, a rear PP cotton layer, an RO film layer and a rear activated carbon layer along the water flow direction, and the water outlet of the second purification tank is a drinking water outlet 18.
The initial rainwater is 10mm thick rainfall with surface runoff, the first electric valve 2 is opened at the early stage of rainfall, the second electric valve 4 is closed, the initial rainwater which is collected by the rainwater collection tank 1 and is heavily polluted completely flows into the initial rainwater tank 3, the liquid level transmission value of the first liquid level sensor 31 is set according to the roof area S and the bottom area S of the initial rainwater tank 3, when the rainwater collected by the initial rainwater tank 3 is equal to the 10mm rainfall of the roof area, the first liquid level sensor 31 sends a control signal to close the first electric valve 2, the second electric valve 4 is opened, namely the liquid level transmission value of the first liquid level sensor 31 is 10mm
First motorised valve 2 closes, the back is opened to second motorised valve 4, the rainwater that collection rain gutter 1 was collected begins to loop through preliminary treatment jar 5 and purifier, purify through the processing and finally obtain usable water purification, the initial stage rainwater is collected alone, the rainwater that flows into purifier is the part that quality of water is very good, the pressure of rainwater later stage purification has greatly been alleviated, it increases to make the purification layer life, purify cost reduction, first purification tank 12 middle part is equipped with first purification layer 13, first purification layer 13 is from top to bottom by cobblestone layer in proper orderQuartz sand layer and active carbon layer constitute, the rainwater that gets into first purifying tank 12 relies on gravity to pass through first purifying layer 13, the clear water that the rainwater that obtains preliminary purification is for can be used to domestic water, be equipped with the second between the water inlet of second purifying tank 16 and the delivery port and purify layer 17, the second purifies layer 17 and is followed the water flow direction and in proper order by preceding PP cotton layer, preceding active carbon layer, the cotton layer of back PP, the RO rete, back active carbon layer is constituteed, domestic water after the second purifying tank 16 will preliminary purification further purifies, utilize the reverse osmosis principle to purify into drinkable water.
The bottom end of the primary rain pond 3 is provided with a primary rain discharge port 32, and the primary rain discharge port 32 is provided with a valve which can discharge primary rain into a sewer pipeline.
The side wall of the pretreatment tank 5 is provided with a temporary storage chamber 7 communicated with the pretreatment tank, the temporary storage chamber 7 is arranged along the slope direction of the coarse filter screen 6, the bottom wall of the temporary storage chamber 7 is flush with the bottom end of the coarse filter screen 6, and the top end of the temporary storage chamber 7 is provided with an upper cover.
The temporary storage chamber 7 is provided with a second liquid level sensor 71, a dredging and water blocking pipe 8 is arranged below the coarse strainer 6, one end of the dredging and water blocking pipe 8 is connected with a high-pressure spray head 81, the high-pressure spray head 81 faces towards the coarse strainer 6 and the temporary storage chamber 7, the other end of the dredging and water blocking pipe 8 extends to the outside of the pretreatment tank 5 and is connected with a tap water pipe, and a dredging and water blocking electric valve 82 is arranged on the dredging and water blocking pipe 8.
The coarse strainer 6 can filter large-volume impurities entering the pretreatment tank 5, the later rainwater purification pressure is further reduced, the large-volume impurities rush into the temporary storage chamber 7 along the inclined surface of the coarse strainer 6, and can be cleaned through the upper cover, the water dredging and blocking pipe 8 can prevent the coarse strainer 6 from being blocked by large-volume impurities such as fallen leaves and plastics, when the coarse strainer 6 is blocked, water flow is deposited above the coarse strainer 6, the gradually-rising liquid level triggers the second liquid level sensor 71, the second liquid level sensor 71 sends a control signal to enable the dredging electric valve 82 to be opened, the high-pressure nozzle 81 starts to spray water to the coarse strainer 6, after the impurities blocking the coarse strainer 6 are rushed into the temporary storage chamber 7, rainwater continues to flow to the later-procedure device, the second liquid level sensor 71 sends a control signal to close the dredging electric valve 82 after the liquid level of the rainwater deposited above the coarse strainer 6 is reduced, and the high-pressure nozzle 81 stops spraying water, the dredging process is automatically controlled;
an overflow pipe 72 is arranged on the temporary storage chamber 7, the water inlet of the overflow pipe 72 is arranged above the sensitive element of the second liquid level sensor 71, and the overflow pipe 72 is used for overflowing to prevent water overflow.
The pretreatment tank 5 is a cylindrical cavity, a horizontally rotating stirring fin 10 is arranged at the bottom end inside the pretreatment tank 5, the stirring fin 10 is connected with the output end of a motor, a sand collecting box 11 detachably connected is arranged at the bottom end of the side wall of the pretreatment tank 6, and the sand collecting box 11 is communicated with the pretreatment tank 5.
The fine filter screen 9 can filter the large granule silt that gets into preliminary treatment jar 5, and the large granule silt rotates along 5 inner walls centrifugation of preliminary treatment jar through stirring of stirring wing 10 to because gravity whereabouts gradually, rotate and get into collection sand box 11 and obtain keeping in after gathering sand box 11 department, regularly dismantle the clearance to collection sand box 11, further reduce later stage rainwater purification pressure.
The above embodiments are merely illustrative of the present patent and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122452491.1U CN215829524U (en) | 2021-10-12 | 2021-10-12 | Roof rainwater collecting and treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122452491.1U CN215829524U (en) | 2021-10-12 | 2021-10-12 | Roof rainwater collecting and treating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215829524U true CN215829524U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122452491.1U Expired - Fee Related CN215829524U (en) | 2021-10-12 | 2021-10-12 | Roof rainwater collecting and treating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215829524U (en) |
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2021
- 2021-10-12 CN CN202122452491.1U patent/CN215829524U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220215 |