CN104857748A - Gravel-sieve integrated irrigation filter, irrigation filtering system and washing method - Google Patents
Gravel-sieve integrated irrigation filter, irrigation filtering system and washing method Download PDFInfo
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- CN104857748A CN104857748A CN201510245768.XA CN201510245768A CN104857748A CN 104857748 A CN104857748 A CN 104857748A CN 201510245768 A CN201510245768 A CN 201510245768A CN 104857748 A CN104857748 A CN 104857748A
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Abstract
The invention discloses a gravel-sieve integrated irrigation filter, an irrigation filtering system and a washing method, and belongs to the technical field of the water-saving irrigation. The irrigation filter comprises an upper shell (1), wherein the upper shell (1) is provided with a first filter material region (101) and a water inlet (102); a lower shell (4), wherein the lower shell (4) is provided with a second filter material region (401), a sieve fixing component (6), and a water outlet (402), and the second filter material region (401) communicates with the first filter material region (101); and a shell connecting part (2), located on the outer surfaces of the upper shell (1) and the lower shell (4), and used for connecting the upper shell (1) and the lower shell (4). The irrigation filter is capable of integrating the traditional gravel filter and the sieve-type filter, and the whole structure is formed by the injection molding, so the volume is small, the cost is low and the installation is convenient. The irrigation filtering system using the irrigation filter is capable of achieving the automatic backwashing of the irrigation filter through a switch for controlling a valve.
Description
Technical field
The present invention relates to water-saving irrigation technique field, particularly a kind of sandstone-filter screen integrated form irrigation filter, irrigation filtration system and purging method.
Background technology
For preventing the impurity block water irrigator in irrigation water in field irrigation, needing to carry out filtering impurity to it before irrigation water enters irrigation system, therefore needing to arrange filtration system in the back with water inlet line of irrigation system.
Filter conventional in current filtration system mainly comprises sandrock filter and well strainer.Sandrock filter and well strainer adopt steel processing and manufacturing usually.Usually need to use above-mentioned two kinds of filters in the filtration system of reality simultaneously.Above-mentioned two kinds of filters are first installed during installation respectively, then by pipeline, the two are communicated with.But not only weight is large, cost is high to use two steel filters, and easily by interface wrong when installing, affects the normal use of filter simultaneously.In addition, steel filter easily gets rusty.
Realizing in process of the present invention, the present inventor finds at least there is following problem in prior art: existing filter cost is high, weight is large, installation process is complicated.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides that a kind of cost is low, lightweight, sandstone-filter screen integrated form irrigation filter of being convenient to install, irrigating filtration system and method that irrigation filter is rinsed.
Specifically, following technical scheme is comprised:
First aspect present invention provides a kind of sandstone-filter screen integrated form irrigation filter, and for filtering initial irrigation water, described irrigation filter comprises:
Upper body, described upper body is the housing of hollow, and the inside of described upper body is provided with the first filtrate district, and described first filtrate district is for loading filtrate; Described upper body is provided with water inlet, and described water inlet is positioned at above described first filtrate district, enters described irrigation filter for making described initial irrigation water;
Lower case, described lower case is the housing of hollow, and the inside of described lower case is provided with the second filtrate district and filter screen fixed part, and described second filtrate district is for loading filtrate, and described filter screen fixed part is used for fixing filter screen; Described second filtrate district is positioned at above described filter screen fixed part; Described second filtrate district is communicated with described first filtrate district; Described lower case is provided with delivery port, and described delivery port is positioned at below described filter screen fixed part, for being exported from described irrigation filter by the irrigation water after filtration;
Housing coupling part part, described housing coupling part part is positioned at the outer surface of described upper body and the outer surface of described lower case, for described upper body and lower case being linked together.
Preferably, described filter screen fixed part comprises ceiling molding and lower press strip.
Preferably, described filter screen fixed part is 1/3 ~ 1/2 of the height of described lower case to the distance of the bottom of described lower case.
Preferably, described housing coupling part part is flange.
Preferably, described first filtrate district accounts for more than 1/2 of the volume of described upper body.
Second aspect present invention provides a kind of irrigation filtration system utilizing the irrigation filter of first aspect present invention, and described irrigation filtration system is for being arranged on the back with water inlet line of irrigation system, and described irrigation filter comprises:
First irrigation water feed-line, for carrying initial irrigation water;
First irrigation filter, described first irrigation filter is the irrigation filter described in first aspect present invention, is filled with filtrate and is provided with filter screen in described first irrigation filter;
Second irrigation filter, described first irrigation filter is the irrigation filter described in first aspect present invention, is filled with filtrate and is provided with filter screen in described first irrigation filter;
Second irrigation water feed-line, described second irrigation water feed-line is connected with described first irrigation water feed-line and the first irrigation filter water inlet; Described second irrigation water feed-line is provided with the second valve, for controlling being communicated with or disconnection of described first irrigation water feed-line and the first irrigation filter water inlet;
3rd irrigation water feed-line, described 3rd irrigation water feed-line is connected with described first irrigation water feed-line and the second irrigation filter water inlet; Described 3rd irrigation water feed-line is provided with the 3rd valve, for controlling being communicated with or disconnection of described first irrigation water feed-line and the second irrigation filter water inlet;
4th irrigation water feed-line, the two ends of described 4th irrigation water feed-line are connected with described irrigation system, the middle part of described 4th irrigation water feed-line is connected, for the irrigation water after delivery of filtered with described first irrigation filter delivery port and the second irrigation filter delivery port.
Further, described 4th irrigation water feed-line is provided with the 4th valve, for controlling being communicated with or disconnection of described 4th irrigation water feed-line and described irrigation system.
Further, described irrigation filtration system also comprises: the 5th irrigation water feed-line, and described 5th irrigation water feed-line is connected with described first irrigation filter water inlet and the second irrigation filter water inlet.
Further, described 5th irrigation water feed-line is provided with the 5th valve and the 6th valve, described 5th valve is for controlling being communicated with or disconnection of described 5th irrigation water feed-line and described first irrigation filter water inlet, and described 6th valve is for controlling being communicated with or disconnection of described 5th irrigation water feed-line and described second irrigation filter water inlet.
Further, described first irrigation water feed-line is connected with described irrigation system; Described first irrigation water feed-line is provided with the first valve, for controlling being communicated with or disconnection of described first irrigation water feed-line and irrigation system.
Third aspect present invention provides a kind of method utilizing the irrigation filtration system of second aspect present invention to rinse irrigation filter, and described method comprises:
Close described second valve, described first irrigation water feed-line and the first irrigation filter water inlet are disconnected; Open described 3rd valve, described first irrigation water feed-line is communicated with the second irrigation filter water inlet, make the initial irrigation water in the first irrigation water feed-line enter the second irrigation filter through the 3rd irrigation water feed-line by the second irrigation filter water inlet to filter, the irrigation water after gained filters enters the 4th irrigation water feed-line by the second irrigation filter delivery port; Irrigation water after part filtration enters the first irrigation filter by the first irrigation filter delivery port and rinses it, and the irrigation water after another part filters enters irrigation system by the 4th irrigation water feed-line and irrigates farmland;
Close described 3rd valve, described first irrigation water feed-line and the second irrigation filter water inlet are disconnected; Open described second valve, described first irrigation water feed-line is communicated with the first irrigation filter water inlet, make the initial irrigation water in the first irrigation water feed-line enter the first irrigation filter through the second irrigation water feed-line by the first irrigation filter water inlet to filter, the irrigation water after gained filters enters the 4th irrigation water feed-line by the first irrigation filter delivery port; Irrigation water after part filtration enters the second irrigation filter by the second irrigation filter delivery port and rinses it, and the irrigation water after another part filters enters irrigation system by the 4th irrigation water feed-line and irrigates farmland.
The beneficial effect of the technical scheme that the embodiment of the present invention provides:
1, the irrigation filter that the embodiment of the present invention provides can be loaded filtrate simultaneously and be installed filter screen, therefore, it is possible to traditional sandrock filter and well strainer are become one, the function of two kinds of filters is gathered together.Owing to adopting the design of integration, reduce volume and the weight of described irrigation filter, reduce cost simultaneously, and be convenient to install.
2, in the irrigation filtration system that the embodiment of the present invention provides, by the switch of by-pass valve control, normal irrigation can not only be realized, and can not need under the prerequisite stopping irrigating, utilize an irrigation filter to filter the water obtained to rinse remaining irrigation filter, make water resource obtain Appropriate application on the one hand, simplify the operation that irrigation filter is rinsed on the other hand.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the irrigation filter that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the profile of Fig. 1 along A-A direction;
The structural representation of filter screen fixed part in the irrigation filter that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the irrigation filtration system that Fig. 4 provides for the embodiment of the present invention;
Irrigation advance during the irrigation filtration system normal irrigation that Fig. 5 provides for the embodiment of the present invention is to schematic diagram;
Irrigation advance when the irrigation filtration system that Fig. 6 provides for the embodiment of the present invention carries out backwash to the first irrigation filter is to schematic diagram;
Irrigation advance when the irrigation filtration system that Fig. 7 provides for the embodiment of the present invention carries out backwash to the second irrigation filter is to schematic diagram;
Fig. 8 is for irrigation advance when irrigation filtration system that the embodiment of the present invention provides is not filtered is to schematic diagram.
In figure, Reference numeral represents respectively:
1, upper body; 101, the first filtrate district; 102, water inlet;
2, housing coupling part part;
3, bolt;
4, lower case; 401, the second filtrate district; 402, delivery port;
5, filtrate; 501, the first filtrate; 502, the second filtrate;
6, filter screen fixed part; 601, ceiling molding; 602, lower press strip;
7, filter screen;
8, the 5th irrigation water feed-line; 801, the 5th valve; 802, the 6th valve;
9, the first irrigation water feed-line; 901, the first valve;
10, the 4th irrigation water feed-line; 1001, the 4th valve;
11, the second irrigation water feed-line; 1101, the second valve;
12, the 3rd irrigation water feed-line; 1201, the 3rd valve;
A, the first irrigation filter; A1, the first irrigation filter water inlet; A2, the first irrigation filter delivery port;
B, the second irrigation filter; B1, the second irrigation filter water inlet; B2, the second irrigation filter delivery port;
In figure, the direction of arrow represents the flow direction of irrigation water.
Detailed description of the invention
For making technical scheme of the present invention and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
First aspect present invention provides a kind of sandstone-filter screen integrated form irrigation filter, and for filtering initial irrigation water, see Fig. 1 and Fig. 2, described irrigation filter comprises:
Upper body 1, described upper body 1 is the housing of hollow, and the inside of described upper body 1 is provided with the first filtrate district 101, and described first filtrate district 101 is for loading filtrate; Described upper body 1 is provided with water inlet 102, and described water inlet 102 is positioned at above described first filtrate district 101, enters described irrigation filter for making described initial irrigation water;
Lower case 4, described lower case 4 is the housing of hollow, and the inside of described lower case 4 is provided with the second filtrate district 401 and filter screen fixed part 6, and described second filtrate district 401 is for loading filtrate, and described filter screen fixed part 6 is for fixing filter screen; Described second filtrate district 401 is positioned at above described filter screen fixed part 6; Described second filtrate district 401 is communicated with described first filtrate district 101; Described lower case 4 is provided with delivery port 402, and described delivery port 402 is positioned at below described filter screen fixed part 6, for being exported from described irrigation filter by the irrigation water after filtration;
Housing coupling part part 2, described housing coupling part part 2 is positioned at the outer surface of described upper body 1 and the outer surface of described lower case 4, for described upper body 1 and lower case 4 being linked together.
The operation principle of the irrigation filter of the embodiment of the present invention is: fixed by filter screen 7 filter screen fixed part 6, filtrate 5 is seated in the first filtrate district 101 and the second filtrate district 401, utilizes housing coupling part part 2 upper body 1 and lower case 4 to be fixed.Then water inlet 102 is communicated with irrigation water back with water inlet line in irrigation system, delivery port 402 is communicated with irrigation system irrigation water water outlet pipeline.Initial irrigation water enters described irrigation filter by water inlet 101, and after media filtration and strainer filtering, gained irrigation water is exported by delivery port 402, irrigates farmland.
Traditional sandrock filter and well strainer become one by the irrigation filter that the embodiment of the present invention provides, and the function of two kinds of filters are gathered together.Owing to adopting the design of integration, reduce the volume of described irrigation filter, reduce cost simultaneously, and be convenient to install.
In above-mentioned irrigation filter, the concrete form of described filter screen fixed part 6 does not have considered critical, and those skilled in the art can be arranged in conjunction with art technology general knowledge, as long as can make smooth being fixed in lower case 4 of filter screen 7.Such as, can be the ceiling molding 601 shown in Fig. 3 and lower press strip 602.Described ceiling molding 601 and lower press strip 602 can be the plastic strip of the annular be made up of rigid plastics.Filter screen 7 is between ceiling molding 601 and lower press strip 602.
In above-mentioned irrigation filter, described filter screen fixed part 6 does not have strict restriction to the distance of the bottom of described lower case 4, is preferably 1/3 ~ 1/2 of the height of described lower case 4.
In above-mentioned irrigation filter, the concrete structure of described housing coupling part part 2 does not have considered critical equally, and those skilled in the art can be arranged in conjunction with art technology general knowledge.Can be such as flange, clip etc.Convenient degree from the viewpoint of the firmness combined and when installing, housing coupling part part 2 is flange preferably, directly flange can be processed into an entirety with upper body 1 and lower case 4 respectively, then utilize bolt 3 to be fixed by Flange joint.
In above-mentioned irrigation filter, the size in described first filtrate district 101 preferably accounts for more than 1/2 of the volume of described upper body 1, can ensure that the amount of the filtrate loaded meets the requirement of filtration like this.
In above-mentioned irrigation filter, the first filler 501 being seated in the first filtrate district 101 and the second filtrate 502 being seated in the second filtrate district 401 can select the filtrate of same particle size, also can select the filtrate of different-grain diameter, realize gradient filtration, improve filter effect.Filtrate 5 is not limited only to sandstone filtrate, can be the arbitrary filtrate that this area is commonly used.The concrete kind of filtrate 5 should be determined according to the water quality of the irrigation water of reality.
In above-mentioned irrigation filter, the concrete kind of filter screen 7 does not have strict restriction yet, can be the arbitrary filter screen that this area is commonly used.The aperture of filter screen 7 should be less than the particle diameter of the second filtrate 502, spills to prevent filtrate.Filter screen 7 can be one deck filter screen, also can be multistorey strainer mesh with the use of.
Above-mentioned irrigation filter can adopt plastic processing manufacture, with weight reduction, reduces costs.Can be such as vinyon, igelite, polypropylene plastics etc.
Second aspect present invention provides a kind of irrigation filtration system utilizing the irrigation filter of first aspect present invention, and described irrigation filtration system is for being arranged on the back with water inlet line of irrigation system, and see Fig. 4, described irrigation filter comprises:
First irrigation water feed-line 9, for carrying initial irrigation water;
First irrigation filter A, described first irrigation filter A are the irrigation filter described in first aspect present invention, be filled with filtrate and be provided with filter screen in described first irrigation filter A;
Second irrigation filter B, described first irrigation filter B are the irrigation filter described in first aspect present invention, be filled with filtrate and be provided with filter screen in described first irrigation filter B;
Second irrigation water feed-line 11, described second irrigation water feed-line 11 is connected with described first irrigation water feed-line 9 and the first irrigation filter water inlet A 1; Described second irrigation water feed-line 11 is provided with the second valve 1101, for controlling being communicated with or disconnection of described first irrigation water feed-line 9 and the first irrigation filter water inlet A 1;
3rd irrigation water feed-line 12, described 3rd irrigation water feed-line 12 is connected with described first irrigation water feed-line 9 and the second irrigation filter water inlet B 1; Described 3rd irrigation water feed-line 12 is provided with the 3rd valve 1201, for controlling being communicated with or disconnection of described first irrigation water feed-line 9 and the second irrigation filter water inlet B 1;
4th irrigation water feed-line 10, the two ends of described 4th irrigation water feed-line 10 are connected with described irrigation system, the middle part of described 4th irrigation water feed-line 10 is connected, for the irrigation water after delivery of filtered with described first irrigation filter water outlet A 2 and the second irrigation filter water outlet B 2.
The irrigation filtration system that the embodiment of the present invention provides can either be irrigated normally, and can also rinse irrigation filter, principle is as follows:
(1) when irrigating normally, described second valve 1101 and the 3rd valve 1201 are in open mode, described first irrigation water feed-line 9 is communicated with the first irrigation filter water inlet A 1 and the second irrigation filter water inlet B 1, initial irrigation water inputs from the first irrigation water feed-line 9, the first irrigation filter A and the second irrigation filter B is entered through the second irrigation water feed-line 11 and the 3rd irrigation water feed-line 12, after the filtrate in the first irrigation filter A and the second irrigation filter B and strainer filtering, irrigation water after gained filters is exported by the first irrigation filter water outlet A 2 and the second irrigation filter water outlet B 2 and enters the 4th irrigation water feed-line 10, and then enter irrigation system farmland is irrigated.
(2) when rinsing the first irrigation filter A, second valve 1101 is in closed condition, 3rd valve 1201 is in open mode, and described first irrigation water feed-line 9 disconnects with the first irrigation filter water inlet A 1 and is communicated with the second irrigation filter water inlet B 1.Initial irrigation water inputs from the first irrigation water feed-line 9, enter the second irrigation filter B through the 3rd irrigation water feed-line 12 to filter, irrigation water after gained filters is exported by the second irrigation filter water outlet B 2 and enters the 4th irrigation water feed-line 10, irrigation water after part filtration enters the first irrigation filter A by the first irrigation filter water outlet A 2 and rinses the first irrigation filter A, and another part enters irrigation system and irrigates farmland.
(3) in like manner, when rinsing the second irrigation filter B, 3rd valve 1201 is in closed condition, second valve 1101 is in open mode, an irrigation water part after initial irrigation water gained after the first irrigation filter A filters filters enters the second irrigation filter B by the second irrigation filter water outlet B 2 and rinses it, and another part then enters irrigation system and irrigates farmland.
Therefore, the irrigation filtration system that the embodiment of the present invention provides can by the switch of by-pass valve control, do not needing under the prerequisite stopping irrigating, utilize an irrigation filter to filter the water obtained to rinse remaining irrigation filter, make water resource obtain Appropriate application on the one hand, simplify the operation that irrigation filter is rinsed on the other hand.
In above-mentioned irrigation filtration system, the 4th valve 1001 can also be set on described 4th irrigation water feed-line 10, for controlling one end of described 4th irrigation water feed-line 10 and being communicated with or disconnection of irrigation system.When carrying out normal irrigation, the 4th valve 1001 can be opened, the irrigation water after filtration enters irrigation system by the two ends of the 4th irrigation water feed-line 10 and irrigates farmland.When rinsing irrigation filter, the 4th valve 1001 can be closed, disconnecting the 4th one end of irrigation water feed-line 10 and being communicated with of irrigation system, enter in the irrigation filter needing to carry out rinsing to make more water.
In above-mentioned irrigation filtration system, described irrigation filtration system also comprises: the 5th irrigation water feed-line 8, and described 5th irrigation water feed-line 8 is connected with described first irrigation filter water inlet A 1 and the second irrigation filter water inlet B 1.Described 5th irrigation water feed-line 8 is provided with the 5th valve 801 and the 6th valve 802, described 5th valve 801 is for controlling being communicated with or disconnection of described 5th irrigation water feed-line 8 and described first irrigation filter water inlet A 1, and described 6th valve 802 is for controlling being communicated with or disconnection of described 5th irrigation water feed-line 8 and described second irrigation filter water inlet B 1.When rinsing the first irrigation filter A, the 5th valve 801 can be opened, the rear output of the 5th irrigation water feed-line 8 is entered to the irrigation water after the first irrigation filter A rinses; When rinsing the second irrigation filter B, the 6th valve 802 can be opened, the rear output of the 5th irrigation water feed-line 8 is entered to the irrigation water after the second irrigation filter B rinses.The irrigation water exported by the 5th irrigation water feed-line 8 can be recycled.
In above-mentioned irrigation filtration system, described first irrigation water feed-line 9 can also be connected with described irrigation system; And the first valve 901 is set on the first irrigation water feed-line 9, for controlling being communicated with or disconnection of described first irrigation water feed-line 9 and irrigation system.When not needing to filter initial irrigation water, the first valve 901 can be opened, closing the second valve 1101 and the 3rd valve 1201 simultaneously, initial irrigation water is then direct to be entered irrigation system by the first irrigation water feed-line 9 and irrigates farmland.
In above-mentioned irrigation filtration system, the quantity of irrigation filter includes but not limited to 2, and can be such as 3,4,5 etc., the quantity of irrigation filter can be determined according to irrigation scale.
In conjunction with the above-mentioned explanation to irrigating filtration system operation principle, third aspect present invention provides a kind of method utilizing the irrigation filtration system of second aspect present invention to rinse irrigation filter, specific as follows:
(1) when rinsing the first irrigation filter A, close the first valve 901, second valve 1101, the 4th valve 1001 and the 6th valve 802, open the 3rd valve 1201 and the 5th valve 801, described first irrigation water feed-line 9 and the first irrigation filter water inlet A 1 are disconnected, and described first irrigation water feed-line 9 is communicated with the second irrigation filter water inlet B 1.As shown in the direction of arrow in Fig. 6, initial irrigation water enters the second irrigation filter B by the first irrigation water feed-line 9 by the second irrigation filter water inlet B 1 and filters, an irrigation water part after gained filters enters the first irrigation filter A by the first irrigation filter water outlet A 2 and rinses filtrate wherein and filter screen, irrigation water after flushing is exported by the 5th irrigation water feed-line 8, irrigation water after another part filters enters the 4th irrigation water feed-line 10, and then enters irrigation system and irrigate farmland.
(2) when rinsing the second irrigation filter B, close the first valve 901, the 3rd valve 1201, the 4th valve 1001 and the 5th valve 801, open the second valve 1101 and the 6th valve 802, described first irrigation water feed-line 9 and the second irrigation filter water inlet B 1 are disconnected, and described first irrigation water feed-line 9 is communicated with the first irrigation filter water inlet A 1.As shown in the direction of arrow in Fig. 7, initial irrigation water enters the first irrigation filter A by the first irrigation water feed-line 9 by the first irrigation filter water inlet A 1 and filters, an irrigation water part after gained filters enters the second irrigation filter B by the second irrigation filter water outlet B 2 and rinses filtrate wherein and filter screen, irrigation water after flushing is exported by the 5th irrigation water feed-line 8, irrigation water after another part filters enters the 4th irrigation water feed-line 10, and then enters irrigation system and irrigate farmland.
Under just can be implemented in by said method the prerequisite not affecting irrigation, utilize an irrigation filter to filter the irrigation water obtained and all the other irrigation filter are rinsed.
When not needing to rinse irrigation filter, close the first valve 901, the 5th valve 801 and the 6th valve 802, opening the second valve 1101, the 3rd valve 1201 and the 4th valve 1001 can irrigate normally.As shown in the direction of arrow in Fig. 5, initial irrigation water by the first irrigation water feed-line 9 by the first irrigation filter water inlet A 1 and the second irrigation filter water inlet B 1 enters the first irrigation filter A and the second irrigation filter B filters, irrigation water after gained filters enters the 4th irrigation water feed-line 10, and then enters irrigation system and irrigate farmland.
And when initial irrigation water does not need to filter, then open the first valve 901, close the second valve 1101, the 3rd valve 1201, the 4th valve 1001, the 5th valve 801 and the 6th valve 802.As shown in the direction of arrow in Fig. 8, initial irrigation water filters without irrigation filter, directly enters irrigation system by the first irrigation water feed-line 9 and irrigates.
The above is only understand technical scheme of the present invention for the ease of those skilled in the art, not in order to limit the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. sandstone-filter screen integrated form irrigation filter, for filtering initial irrigation water, it is characterized in that, described irrigation filter comprises:
Upper body (1), the housing that described upper body (1) is hollow, the inside of described upper body (1) is provided with the first filtrate district (101), and described first filtrate district (101) is for loading filtrate; Described upper body (1) is provided with water inlet (102), described water inlet (102) is positioned at described first top, filtrate district (101), enters described irrigation filter for making described initial irrigation water;
Lower case (4), the housing that described lower case (4) is hollow, the inside of described lower case (4) is provided with the second filtrate district (401) and filter screen fixed part (6), described second filtrate district (401) is for loading filtrate, and described filter screen fixed part (6) is for fixing filter screen; Described second filtrate district (401) is positioned at described filter screen fixed part (6) top; Described second filtrate district (401) is communicated with described first filtrate district (101); Described lower case (4) is provided with delivery port (402), described delivery port (402) is positioned at described filter screen fixed part (6) below, for being exported from described irrigation filter by the irrigation water after filtration;
Housing coupling part part (2), described housing coupling part part (2) is positioned at the outer surface of described upper body (1) and the outer surface of described lower case (4), for described upper body (1) and lower case (4) being linked together.
2. irrigation filter according to claim 1, is characterized in that, described filter screen fixed part (6) comprises ceiling molding (601) and lower press strip (602).
3. irrigation filter according to claim 1, is characterized in that, described filter screen fixed part (6) is 1/3 ~ 1/2 of the height of described lower case (4) to the distance of the bottom of described lower case (4).
4. irrigation filter according to claim 1, is characterized in that, described housing coupling part part (2) is flange.
5. irrigation filter according to claim 1, is characterized in that, described first filtrate district (101) accounts for more than 1/2 of the volume of described upper body (1).
6. irrigate a filtration system, described irrigation filtration system, for being arranged on the back with water inlet line of irrigation system, is characterized in that, described irrigation filter comprises:
First irrigation water feed-line (9), for carrying initial irrigation water;
First irrigation filter (A), described first irrigation filter (A) is irrigation filter according to claim 1, is filled with filtrate and is provided with filter screen in described first irrigation filter (A);
Second irrigation filter (B), described first irrigation filter (B) is irrigation filter according to claim 1, is filled with filtrate and is provided with filter screen in described first irrigation filter (B);
Second irrigation water feed-line (11), described second irrigation water feed-line (11) is connected with described first irrigation water feed-line (9) and the first irrigation filter water inlet (A1); Described second irrigation water feed-line (11) is provided with the second valve (1101), for controlling being communicated with or disconnection of described first irrigation water feed-line (9) and the first irrigation filter water inlet (A1);
3rd irrigation water feed-line (12), described 3rd irrigation water feed-line (12) is connected with described first irrigation water feed-line (9) and the second irrigation filter water inlet (B1); Described 3rd irrigation water feed-line (12) is provided with the 3rd valve (1201), for controlling being communicated with or disconnection of described first irrigation water feed-line (9) and the second irrigation filter water inlet (B1);
4th irrigation water feed-line (10), the two ends of described 4th irrigation water feed-line (10) are connected with described irrigation system, the middle part of described 4th irrigation water feed-line (10) is connected, for the irrigation water after delivery of filtered with described first irrigation filter delivery port (A2) and the second irrigation filter delivery port (B2).
7. irrigation filtration system according to claim 6, it is characterized in that, described 4th irrigation water feed-line (10) is provided with the 4th valve (1001), for controlling being communicated with or disconnection of described 4th irrigation water feed-line (10) and described irrigation system.
8. irrigation filtration system according to claim 6, is characterized in that, described irrigation filtration system also comprises:
5th irrigation water feed-line (8), described 5th irrigation water feed-line (8) is connected with described first irrigation filter water inlet (A1) and the second irrigation filter water inlet (B1).
9. irrigation filtration system according to claim 8, it is characterized in that, described 5th irrigation water feed-line (8) is provided with the 5th valve (801) and the 6th valve (802), described 5th valve (801) is for controlling being communicated with or disconnection of described 5th irrigation water feed-line (8) and described first irrigation filter water inlet (A1), and described 6th valve (802) is for controlling being communicated with or disconnection of described 5th irrigation water feed-line (8) and described second irrigation filter water inlet (B1).
10. irrigation filtration system according to claim 6, is characterized in that, described first irrigation water feed-line (9) is connected with described irrigation system; Described first irrigation water feed-line (9) is provided with the first valve (901), for controlling being communicated with or disconnection of described first irrigation water feed-line (9) and irrigation system.
11. 1 kinds of methods utilizing the irrigation filtration system described in claim 6 to rinse irrigation filter, it is characterized in that, described method comprises:
Close described second valve (1101), described first irrigation water feed-line (9) and the first irrigation filter water inlet (A1) are disconnected; Open described 3rd valve (1201), described first irrigation water feed-line (9) is communicated with the second irrigation filter water inlet (B1), make the initial irrigation water in the first irrigation water feed-line (9) enter the second irrigation filter (B) through the 3rd irrigation water feed-line (12) by the second irrigation filter water inlet (B1) to filter, the irrigation water after gained filters enters the 4th irrigation water feed-line (10) by the second irrigation filter delivery port (B2); Irrigation water after part filtration enters the first irrigation filter (A) by the first irrigation filter delivery port (A2) and rinses it, and the irrigation water after another part filters enters irrigation system by the 4th irrigation water feed-line (10) and irrigates farmland;
Close described 3rd valve (1201), described first irrigation water feed-line (9) and the second irrigation filter water inlet (B1) are disconnected; Open described second valve (1101), described first irrigation water feed-line (9) is communicated with the first irrigation filter water inlet (A1), make the initial irrigation water in the first irrigation water feed-line (9) enter the first irrigation filter (A) through the second irrigation water feed-line (11) by the first irrigation filter water inlet (A1) to filter, the irrigation water after gained filters enters the 4th irrigation water feed-line (10) by the first irrigation filter delivery port (A2); Irrigation water after part filtration enters the second irrigation filter (B) by the second irrigation filter delivery port (B2) and rinses it, and the irrigation water after another part filters enters irrigation system by the 4th irrigation water feed-line (10) and irrigates farmland.
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| CN104857748B CN104857748B (en) | 2017-04-26 |
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| CN104857748B (en) | 2017-04-26 |
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Effective date of registration: 20221107 Address after: No. 60, Guang'anmen South Street, Xuanwu District, Xicheng District, Beijing 100032 Patentee after: CHINA IRRIGATION AND DRAINAGE DEVELOPMENT CENTER Patentee after: IN IRRIGATION RUN YIN OF WATER-SAVING IRRIGATION EQUIPMENT (BEIJING) CO.,LTD. Patentee after: Beijing runhuanong Water Technology Development Co.,Ltd. Address before: 100054 No. 60 Guang'anmen South Street, Xicheng District, Beijing Patentee before: CHINA IRRIGATION AND DRAINAGE DEVELOPMENT CENTER Patentee before: IN IRRIGATION RUN YIN OF WATER-SAVING IRRIGATION EQUIPMENT (BEIJING) CO.,LTD. Patentee before: CHINA GREEN WATER INTERNATIONAL CONSULTING CO.,LTD. |