CN215648571U

CN215648571U - Rainwater collecting device for irrigation

Info

Publication number: CN215648571U
Application number: CN202121166086.7U
Authority: CN
Inventors: 潘成勇; 何鸿儒; 刘德榆; 刘寒超
Original assignee: Guangxi Shuijian Investment Co ltd
Current assignee: Guangxi Shuijian Investment Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-28
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a rainwater collecting device for irrigation, which comprises a semi-slope ditch, a drainage channel, a descending channel, a filtering channel, a converging channel, a blocking net, a supporting frame, a first filter screen, a second filter screen, a water storage tank and an irrigation pump, wherein the semi-slope ditch is communicated with the drainage channel; the semi-slope ditch is arranged around the semi-waist of the hillside and is used for collecting rainwater flowing down on the hillside; one end of the drainage channel is connected with the semi-slope channel, and the other end of the drainage channel extends to the slope toe of the hillside; one end of the descending channel is connected with the other end of the drainage channel, and the other end of the descending channel is inclined downwards relative to the drainage channel; one end of the filtering channel is connected with the other end of the descending channel, and the other end of the filtering channel is connected with one end of the afflux channel; the other end of the afflux channel is connected with the water storage tank; the first filter screen and the second filter screen are arranged in the filter channel at intervals, and the first filter screen is close to the descending channel; the irrigation pump is installed in the water storage tank.

Description

Rainwater collecting device for irrigation

Technical Field

The utility model relates to a rainwater collecting device for irrigation.

Background

The south of China is dominated by hills. Water storage is relatively difficult and very few have large areas such as reservoirs. Therefore, when the plots are planted, people tend to eat in the sky; if the rainfall is sufficient, the crops are harvested; if the rainfall is small, the crop yield is low. For example, rice needs to provide enough water in the growth cycle to promote the growth and development of rice; although the sugarcane is planted in dry land, the rainfall is small, water required for the growth of the sugarcane cannot be supplied, and the sugarcane is shriveled and withered due to lack of the water.

Therefore, when raining, water is reserved as much as possible so as to be capable of irrigating crops in a dry season.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a rainwater collecting device for irrigation.

In order to realize the purpose of the utility model, the following technical scheme is adopted:

a rainwater collecting device for irrigation comprises a semi-slope ditch, a drainage ditch, a descending ditch, a filtering ditch, a converging ditch, a blocking net, a supporting frame, a first filter screen, a second filter screen, a water storage tank and an irrigation pump; the semi-slope ditch is arranged around the semi-waist of the hillside and is used for collecting rainwater flowing down on the hillside; one end of the drainage channel is connected with the semi-slope channel, and the other end of the drainage channel extends to the slope toe of the hillside; one end of the descending channel is connected with the other end of the drainage channel, and the other end of the descending channel is inclined downwards relative to the drainage channel; one end of the filtering channel is connected with the other end of the descending channel, and the other end of the filtering channel is connected with one end of the afflux channel; the other end of the afflux channel is connected with the water storage tank; the first filter screen and the second filter screen are arranged in the filter channel at intervals, and the first filter screen is close to the descending channel; the irrigation pump is installed in the water storage tank.

The working principle is as follows:

the semi-slope ditch collects rainwater flowing down from a hillside in rainy days, the rainwater is guided to the drainage channel through the semi-slope ditch, the drainage channel guides the rainwater to the descending channel, and the blocking net at the joint of the drainage channel and the descending channel blocks sundries such as leaves, branches and weeds carried by the rainwater; rainwater falls into the descending channel and then enters the filtering channel, and is filtered by the first filter screen and the second filter screen on the filtering channel, so that turbid liquid of the rainwater can be effectively filtered and purified; and then the water flows into a channel and is sent into a water storage tank for storage.

As a further improvement of the technical scheme, the rainwater collecting device for irrigation further comprises an irrigation water pipe, a first flushing branch pipe, a through hole and a second flushing branch pipe; the irrigation water delivery pipe is connected with an irrigation pump; one end of the first scouring branch pipe is connected with the irrigation water pipe, and the other end of the first scouring branch pipe is connected with one end of the second scouring branch pipe; the other end of the second flushing branch pipe penetrates through a through hole formed in the top of the water storage tank and extends towards the bottom of the water storage tank.

As a further improvement of the technical scheme, the rainwater collecting device for irrigation further comprises a water valve and a movable connector; the water valve is arranged on the first flushing branch pipe; one end of the movable connecting piece is connected with the first scouring branch pipe, and the other end of the movable connecting piece is connected with the second scouring branch pipe.

As a further improvement of the technical scheme, the rainwater collecting device for irrigation further comprises a water spraying piece; the water spraying piece is arranged at the other end of the second flushing branch pipe.

As a further improvement of the technical scheme, the water spraying piece adopts a reducing elbow which is obliquely arranged.

As a further improvement of the technical scheme, the water spraying piece adopts a hose.

As a further improvement of the technical scheme, the rainwater collecting device for irrigation further comprises a manhole and a ladder; a manhole is formed in the top of the water storage tank; the cat ladder runs through the manhole and extends to the tank interior.

As the further improvement of the technical scheme, the first filter screen is in a triangular structure, and one corner of the triangular structure faces the water storage tank.

As a further improvement of the technical scheme, the second filter screen is in a triangular structure, and one corner of the triangular structure faces the water storage tank.

As a further improvement of the technical scheme, the downward inclination angle of the descending channel relative to the drainage channel is 30-50 degrees.

Compared with the prior art, the utility model has the advantages that:

1. the rainwater collecting device can effectively collect rainwater and effectively store the collected rainwater; storing water for field irrigation; the rainwater is effectively utilized, and water resources are saved; in the rainwater collecting process, a blocking net, a first filter screen and a second filter screen are adopted to filter rainwater; impurities carried by the rainwater can be filtered, and the mud content of the rainwater can be effectively reduced; thereby reducing the amount of sludge deposited in the storage tank.

2. The flushing branch pipe is connected with the irrigation water pipe, when the irrigation pump pumps water, the irrigation pump pumps water in the water storage tank through the water pumping pipe and then conveys the water to the irrigation water pipe, the water in the irrigation water pipe partially enters the flushing branch pipe, the flushing branch pipe sprays the water to the bottom of the water storage tank, the sprayed water flushes sludge at the bottom of the water storage tank, the bottom of the water storage tank is made to be turbid liquid, and the turbid liquid is pumped out through the water pumping pipe, so that water pumping irrigation can be achieved, and deposited sludge at the bottom of the water storage tank can be removed.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of a rainwater collection apparatus for irrigation according to the present invention;

FIG. 2 is a schematic view of a trench structure according to the present invention;

FIG. 3 is a schematic structural view of a water storage tank according to the present invention;

names and serial numbers of the components in the figure: 1-a half-slope ditch, 2-a drainage ditch, 3-a descending ditch, 4-a filtering ditch, 5-a converging ditch, 6-a blocking net, 7-a support frame, 8-a first filtering net, 9-a second filtering net, 10-a water storage tank, 11-an irrigation pump, 12-a water pumping pipe, 13-a water spraying piece, 14-a second scouring branch pipe, 15-a manhole, 16-a ladder stand, 17-a through hole, 18-a movable connecting piece, 19-a water valve, 20-a first scouring branch pipe and 21-an irrigation water pipe.

Detailed Description

In order to make the technical solutions in the present application better understood, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application shall fall within the protection scope of the present application.

Example 1:

as shown in fig. 1-3, a rainwater collecting device for irrigation comprises a semi-slope ditch 1, a drainage ditch 2, a descending ditch 3, a filtering ditch 4, a converging ditch 5, a blocking net 6, a support frame 7, a first filter screen 8, a second filter screen 9, a water storage tank 10 and an irrigation pump 11; the semi-slope ditch 1 is arranged around the semi-waist of the hillside and is used for collecting rainwater flowing down on the hillside; one end of the drainage channel 2 is connected with the semi-slope channel 1, and the other end of the drainage channel extends to the slope toe of the hillside; one end of the descending canal 3 is connected with the other end of the drainage canal 2, and the other end of the descending canal 3 extends downwards relative to the drainage canal 2; one end of the filter channel 4 is connected with the other end of the descending channel 3, and the other end of the filter channel 4 is connected with one end of the afflux channel 5; the other end of the afflux canal 5 is connected with a water storage tank 10; the first filter screen 8 and the second filter screen 9 are arranged in the filter channel 4 at intervals, and the first filter screen 8 is close to the descending channel 3; the irrigation pump 11 is mounted to the reservoir 10.

The working mode is as follows:

the semi-slope ditch 1 is arranged around the semi-waist of the hillside and is used for collecting rainwater flowing down on the hillside, the rainwater is guided to the drainage channel 2 through the semi-slope ditch 1, the drainage channel 2 guides the rainwater to the descending channel 3, and the blocking net 6 at the connection part of the drainage channel 2 and the descending channel 3 blocks sundries such as leaves, branches and weeds carried by the rainwater; rainwater falls into the descending channel 3 and then enters the filtering channel 4, and is filtered by the first filter screen 8 and the second filter screen 9 on the filtering channel 4, so that turbid liquid of the rainwater can be effectively filtered and purified; and then the water flows into the channel and is sent to the water storage tank 10 for storage.

Example 2:

compared with example 1, the difference is that: an irrigation water pipe 21, a first flushing branch pipe 20, a through hole 17 and a second flushing branch pipe 14 are additionally arranged.

As shown in fig. 1 and 3, the irrigation water pipe 21 is connected with an irrigation pump 11; one end of the first flushing branch pipe 20 is connected with the irrigation water pipe 21, and the other end of the first flushing branch pipe is connected with one end of the second flushing branch pipe 14; the other end of the second flushing branch pipe 14 penetrates through a through hole 17 formed in the top of the reservoir 10 and extends toward the bottom of the reservoir 10.

The first flushing branch pipe 20 and the second flushing branch pipe 14 can be provided with a plurality of corresponding through holes 17, and the water storage tank is provided with a plurality of second flushing branch pipes, so that the bottom of the water storage tank can be flushed at multiple points conveniently. The number of the first and second flushing branch pipes 20, 14 is usually 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10, etc.

During irrigation, irrigation pump 11 extracts the water in tank 10 through drinking-water pipe 12, carry water to irrigation raceway 21 again, water in irrigation raceway 21 has the part to continue to carry to the field of irrigating along irrigation raceway 21, there is partial water to get into first branch pipe 20 that erodees, it erodees branch pipe 14 to get into the second through first branch pipe 20 that erodees again, the second erodees branch pipe 14 and spouts water to the bottom of tank 10 again, spun water strikes the silt of deposit in the tank bottom, make the bottom of tank carry out turbid liquid, turbid liquid is through the bottom of irrigation pump extraction tank, thereby can realize irrigating, can clear away the silt of tank bottom again.

Example 3:

compared with the embodiment 2, the difference lies in that: a water valve 19 and a movable joint 18 are additionally arranged.

As shown in fig. 3, the water valve 19 is mounted to the first flushing branch 20; the valve 18 is connected at one end to a first flushing branch 20 and at the other end to a second flushing branch 14.

The water valve 19 is used to control the first flushing branch 20 to supply or cut off water to the second flushing branch 14.

The loose joint 18 facilitates the splicing or splitting of the first and second flushing manifolds. The second erodes the branch pipe and just installs when needs are irrigated, erodees the branch pipe with the second at ordinary times and takes out from the tank, can avoid silt deposit to erode the branch pipe in the second.

Example 4:

compared with the embodiment 2 or 3, the difference lies in that: a water spray 13 is added.

As shown in fig. 3, the sprinkler 13 is arranged at the other end of the second flushing branch 14. The water in the second scouring branch pipe is sprayed to the bottom of the water storage tank through the water spraying piece, the sludge deposited at the bottom of the water storage tank is impacted by the sprayed water to form turbidity, and the turbidity is pumped out through the irrigation pump to be beneficial to clearing away the sludge in the water storage tank.

Example 5:

compared with example 4, the difference is that: one form of construction of the water jet is given.

The water spraying piece 10 adopts a reducing elbow which is installed in an inclined way. Reducing elbow is binding off structure, can do benefit to the velocity of flow that increases spun water to effectively strike the silt in the reservoir, make the silt suspension, and then do benefit to and taken out by the irrigation pump. Therefore, the water can be pumped for irrigation, and the sludge deposited at the bottom of the water storage tank can be taken out.

Example 6:

compared with example 4, the difference is that: another form of construction of the water jet is given.

The water spraying piece 10 adopts a hose. The second erodees the branch pipe and leads to water to the hose, and the hose receives intraductal hydraulic effect, can produce the swing to the silt realization to the tank bottom stirs, makes the silt suspension, and then does benefit to and is taken out by the irrigation pump. Therefore, the water can be pumped for irrigation, and the sludge deposited at the bottom of the water storage tank can be taken out.

Example 7:

compared with any of examples 1 to 6, the difference is that: a manhole 15 and a ladder 16 are additionally installed.

As shown in fig. 3, a manhole 15 is opened at the top of the water storage tank 10; the ladder stand 16 extends into the water storage tank 10 through the manhole 15.

The manhole can be favorable to the irrigation personnel to go into the storage water pond and look over.

The cat ladder facilitates for the reservoir under the irrigation personnel.

Example 8:

compared with any of examples 1 to 7, the difference is that: the structural form of the first filter screen is given.

The first filter screen 8 is in a V-shaped structure, and a sharp angle in the V-shaped structure faces the water storage tank 10. The two side surfaces of the V-shaped structure are positioned in the filtering channel, so that the filtering area can be increased, and the filtering efficiency is improved.

Example 9:

compared with any of examples 1 to 8, the difference is that: the structural form of the second filter screen is given.

The second filter screen 9 is in a V-shaped structure, and a sharp corner in the V-shaped structure faces the water storage tank 10.

Example 10:

compared with any of examples 1 to 9, the difference is that: the descending channel 3 is inclined downwards by 30-50 degrees relative to the drainage channel 2.

The inclination angle is usually 30 °, 35 °, 40 °, 45 °, 50 °, or the like. The both ends of decline canal are the height and arrange, can do benefit to the water in the drainage canal and fall downwards the time, leaf, branch, weeds that the drainage canal guided are blockked by the arresting barrier.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the utility model.

Claims

1. A rainwater collection device for irrigation, characterized in that: comprises a semi-slope ditch (1), a drainage ditch (2), a descending ditch (3), a filtering ditch (4), an afflux ditch (5), a blocking net (6), a support frame (7), a first filter screen (8), a second filter screen (9), a water storage tank (10) and an irrigation pump (11);

the semi-slope ditch (1) is arranged around the semi-waist of the hillside and is used for collecting rainwater flowing down the hillside;

one end of the drainage channel (2) is connected with the semi-slope channel (1), and the other end of the drainage channel extends to the slope toe of the hillside;

one end of the descending channel (3) is connected with the other end of the drainage channel (2), and the other end of the descending channel (3) is inclined downwards relative to the drainage channel (2);

one end of the filtering channel (4) is connected with the other end of the descending channel (3), and the other end of the filtering channel (4) is connected with one end of the afflux channel (5);

the other end of the afflux channel (5) is connected with a water storage pool (10);

the first filter screen (8) and the second filter screen (9) are arranged on the filter channel (4) at intervals, and the first filter screen (8) is close to the descending channel (3);

the irrigation pump (11) is installed on the water storage tank (10).

2. A rainwater collection apparatus for irrigation according to claim 1 and further comprising: the irrigation device also comprises an irrigation water pipe (21), a first scouring branch pipe (20), a through hole (17) and a second scouring branch pipe (14);

the irrigation water pipe (21) is connected with an irrigation pump (11);

one end of the first flushing branch pipe (20) is connected with the irrigation water pipe (21), and the other end of the first flushing branch pipe is connected with one end of the second flushing branch pipe (14);

the other end of the second flushing branch pipe (14) penetrates through a through hole (17) formed in the top of the water storage tank (10) and extends towards the bottom of the water storage tank (10).

3. A rainwater collection apparatus for irrigation according to claim 2 and further comprising: the water valve (19) and the loose joint piece (18) are also included;

the water valve (19) is arranged on the first flushing branch pipe (20);

one end of the movable connecting piece (18) is connected with the first flushing branch pipe (20), and the other end of the movable connecting piece is connected with the second flushing branch pipe (14).

4. A rainwater collection apparatus for irrigation according to claim 2 or 3 and further comprising: also comprises a water spraying piece (13);

the water spraying piece (13) is arranged at the other end of the second flushing branch pipe (14).

5. A rainwater collection apparatus for irrigation according to claim 4 and further characterised in that: the water spraying piece (13) adopts a reducing elbow which is installed in an inclined mode.

6. A rainwater collection apparatus for irrigation according to claim 4 and further characterised in that: the water spraying piece (13) adopts a hose.

7. A rainwater collection apparatus for irrigation according to any of claims 1 to 3 and characterised in that: the device also comprises a manhole (15) and a ladder stand (16);

a manhole (15) is arranged at the top of the water storage tank (10);

the ladder stand (16) penetrates through the manhole (15) and extends into the water storage tank (10).

8. A rainwater collection apparatus for irrigation according to claim 7 and further characterised in that: the first filter screen (8) is of a V-shaped structure, and a sharp corner in the V-shaped structure faces the water storage tank (10).

9. A rainwater collection apparatus for irrigation according to claim 7 and further characterised in that: the second filter screen (9) is of a V-shaped structure, and the sharp angle in the V-shaped structure faces the water storage tank (10).

10. A rainwater collection apparatus for irrigation according to claim 7 and further characterised in that: the descending channel (3) is inclined downwards by 30-50 degrees relative to the drainage channel (2).