CN212369734U - Double-cavity three-stage filtering system - Google Patents
Double-cavity three-stage filtering system Download PDFInfo
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- CN212369734U CN212369734U CN202021357628.4U CN202021357628U CN212369734U CN 212369734 U CN212369734 U CN 212369734U CN 202021357628 U CN202021357628 U CN 202021357628U CN 212369734 U CN212369734 U CN 212369734U
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Abstract
The utility model discloses a tertiary filtration system of two-chamber for solve among the prior art agricultural irrigation filtration system area great, back flush efficiency is lower and easy being glued the technical problem who glues the class liquid jam. The method comprises the following steps: first filter equipment and second filter equipment all include: the filter comprises a tank body, wherein a first sand-stone filter cavity and a second sand-stone filter cavity are arranged on the upper portion of the tank body in a bilateral symmetry mode, a first-stage filter cavity is arranged in the middle of the tank body, a third-stage filter cavity is longitudinally arranged on the lower portion of the tank body along a central shaft, a net-type filter cavity is formed between the side wall of the third-stage filter cavity and the side wall of the lower portion of the tank body, a plurality of net-type filter cylinders are arranged in the net-type filter cavity; a water inlet pipeline and a first sewage pipeline; a second sewerage pipeline; a water discharge pipeline; compared with the prior art, the utility model discloses the system architecture has been simplified to the festival, has improved filtration quality of water, back flush effect and efficiency, system life-span and irrigation efficiency, has reduced area, has reduced the construction cost.
Description
Technical Field
The utility model belongs to the technical field of equipment for agricultural irrigation, especially, relate to a tertiary filtration system of two-chamber.
Background
Agricultural irrigation system filters have been the heart of agricultural irrigation systems. At present, in a filtering system for agricultural irrigation, in particular in an automatic backwashing system, in order to achieve filtering precision and realize backwashing, a sand filter unit and a laminated filter unit are generally connected in series through a pipeline, after the filters are blocked for a period of time, the filters are respectively cleaned in a backwashing mode, and filtered water of one filter needs to be used for backwashing the other filter. The sand-stone filter and the laminated filter are both single bodies, so that each filter needs to be provided with a set of backwashing valve and backwashing controller separately in order to realize backwashing, the occupied area is large, and the integration is poor; secondly, because the laminated filter bears all high-precision filtering tasks, blockage is easy to occur when thick liquid is filtered, and meanwhile, during back washing, impurities hung on the laminated space of the laminated filter are not easy to wash away due to the influence of mucus and cannot be washed clean by back washing thoroughly, so that on one hand, the filtered water quality is poor, the service lives of the laminated filter and a filtering system are influenced, on the other hand, the cleaning of only one filter can be realized at a time, the back washing of two filters cannot be realized at the same time, the back washing efficiency is low, and further the irrigation efficiency is low.
Disclosure of Invention
For solving among the prior art agricultural irrigation filtration system area great, the back flush efficiency is lower and easy being glued the technical problem who glues the class liquid jam, the utility model provides a two-chamber tertiary filtration system.
In order to solve the technical problem, the utility model provides a tertiary filtration system of two-chamber, include: first filter equipment and second filter equipment, the structure is the same, and the symmetry sets up, all includes: the filter tank is cylindrical, a first sand filter cavity and a second sand filter cavity are arranged on the upper portion of the filter tank in a bilateral symmetry mode, a first-stage filter cavity is arranged in the middle of the filter tank, a third-stage filter cavity is longitudinally arranged on the lower portion of the filter tank along a central shaft, a net filter cavity is formed between the side wall of the third-stage filter cavity and the side wall of the lower portion of the filter tank, a plurality of net filter cartridges are uniformly arranged in the net filter cavity along the circumference of the same horizontal plane, a second-stage filter cavity is formed in each; the top of the primary filter cavity is communicated with the bottom of the first sand filter cavity and the bottom of the second sand filter cavity, and the side surface of the primary filter cavity is communicated with the side surface of the net-type filter cavity through a first water filter pipe and a second water filter pipe; the second-stage filter cavity is communicated with the net-type filter cavity through the side surface of the net-type filter cylinder, and the laminated filter element is provided with a water outlet close to the inner end of the third-stage filter cavity and is communicated with the third-stage filter cavity through a pipeline; a water outlet is arranged at the bottom of the third-stage water filtering cavity; one end of the first strainer is communicated with the side surface of the first-stage strainer, the other end of the first strainer is communicated with one end of the second strainer, and the other end of the second strainer is communicated with the side surface of the net-type strainer;
the water inlet pipeline and the first sewage discharge pipeline are arranged in parallel, the side surface of one end of each water inlet pipeline is respectively communicated with the two water inlets of the first filtering device through a first backwashing control valve and a second backwashing control valve, and the side surface of the other end of each water inlet pipeline is respectively communicated with the two water inlets of the second filtering device through a third backwashing control valve and a fourth backwashing control valve;
one end of the middle sewage discharge pipeline is communicated with the side surfaces of the first water filter pipe and the second water filter pipe of the first filtering device through a fifth backwashing control valve, and the other end of the middle sewage discharge pipeline is communicated with the side surfaces of the first water filter pipe and the second water filter pipe of the second filtering device through a sixth backwashing control valve;
one end of the second sewage discharge pipeline is communicated with the side surface of the middle sewage discharge pipeline;
one end of the drainage pipeline is sealed, the drainage pipeline is arranged below the first filtering device and the second filtering device, and the side surfaces of the drainage pipeline are respectively communicated with a drainage port of the first filtering device and a drainage port of the second filtering device through pipelines;
the first backwash control valve, the second backwash control valve, the third backwash control valve, the fourth backwash control valve, the fifth backwash control valve and the sixth backwash control valve are all three-way electromagnetic valves.
Compare with the setting of a sandstone filtration monomer and a lamination filter monomer series connection among the prior art, the utility model discloses a set up two sandstone filtration chambeies with jar body upper portion, the lower part sets up net formula cartridge filter and lamination filter core, has realized that sandstone filtration ware, net formula cartridge filter and lamination filter core set up in filter equipment's the same jar body, and in filtering, water filters through sandstone filtration ware earlier, then filters through the net formula, filters through the lamination at last.
Therefore, the problem that the occupied area of an original single sandstone filter and a single laminated filter is large is solved, the occupied area is reduced, and the construction cost is reduced;
secondly, compared with the prior art that only one sand filtration unit or one laminated filter unit can be backwashed at each time, the utility model can simultaneously wash the sand filter, the net type filter cylinder and the laminated filter element, thereby improving the backwashing efficiency and the irrigation efficiency;
thirdly, as the water is filtered by the net type filter cylinder and then enters the laminated filter element for filtering, the net type filter cylinder firstly intercepts viscous impurities and larger particle impurities on the surface of the filter cylinder, and the viscous impurities cannot enter the laminated filter element, on one hand, the laminated filter element is not easy to block, the filtering precision of the laminated filter element is improved, and the quality of the filtered water is further improved; on the other hand, because the net-type filter cylinder and the laminated filter core have different backwashing modes, when viscous impurities and large-particle impurities attached to the side surface of the net-type filter cylinder are subjected to backwashing, the impurities are easily taken away by water coming out of the laminated filter core, so that the integral backwashing effect of the system is improved, and the service life of the system is prolonged;
fourthly, in the prior art, each sandstone filtration unit and each lamination filtration unit are required to be provided with a set of backwashing valves, and the utility model integrates the sandstone filtration units and the lamination filtration units together, thereby saving the quantity of the backwashing valves and simplifying the structure of a backwashing system;
fifthly, compare with prior art, through filtering sand filter, net formula cartridge filter and lamination filter core integration in a jar internal, improved the overflow on the unit area, improved irrigation efficiency.
Preferably, the first filtering device and the second filtering device further comprise: the first sand-stone filter and the second sand-stone filter are respectively arranged in the first sand-stone filtering cavity and the second sand-stone filtering cavity.
Preferably, the first sand filter and the second sand filter each comprise: the water separator is arranged at the water inlet at the top; the sand bed is arranged in the middle; the filter cap rack is arranged at the bottom; the filtering cap is arranged on the filtering cap frame.
Preferably, the third stage water filtering cavity is cylindrical, and the top of the third stage water filtering cavity is tightly abutted against the bottom surface of the first stage water filtering cavity and is sealed.
Preferably, the side surface of the net type filter cylinder is net-shaped, and the outer end of the net type filter cylinder is sealed by a flange and extends out of the side wall of the tank body; the outer end of the laminated filter element is suspended, the side surface of the inner end is fixedly connected with the inner side surface of the net type filter cylinder through a fixing ring, and the end of the inner end is provided with a water outlet.
Preferably, the screen type filter cartridge has a filtering accuracy of 50 meshes.
Preferably, the number of the mesh-type filter cartridges is set according to a flow rate.
Preferably, the first filtering device and the second filtering device further comprise: the landing leg is fixedly arranged at the bottom of the tank body.
The utility model discloses beneficial effect includes:
compared with the prior art, the utility model discloses filter the core integration at a jar internally with sandstone filtration ware, net formula cartridge filter and lamination, saved back flush valve quantity, simplified system architecture, improved filtration quality of water, improved back flush effect and efficiency, system life-span and irrigation efficiency, reduced area, reduced the construction cost.
Drawings
In the drawings:
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
fig. 4 is a detailed schematic view of a mesh filter cartridge and a laminated filter core.
Description of reference numerals: 1 a first filter device; 2 a second filter device; 10, a tank body; 110 a first sand filter chamber; 111 a second sand filter chamber; 112 water separator; 113 a sand bed; 114 a filter cap rack; 115 a filter cap; 116 a water inlet; 12 a first-stage water filtering cavity; 13 a secondary water filtering cavity; 14 three-stage water filtering cavities; 140 a drain opening; 150 mesh filter chamber; 151 a mesh filter cartridge; 152 a flange; 16 laminated filter elements; 160 water outlet; 161 fixing ring; 17 a first strainer; 18 a second strainer; 19 support legs; 3, a water inlet pipeline; 4 a first sewerage pipeline; 5 an intermediate sewage draining pipeline; 6 a second sewerage pipeline; 7 a water drainage pipeline; 80 a first backwash control valve; 81 a second backwash control valve; 82 a third backwash control valve; 83 a fourth backwash control valve; 84 a fifth backwash control valve; 85 sixth backwash control valve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings by way of specific embodiments.
Referring to the drawings, a dual-chamber three-stage filtration system according to an embodiment of the present invention includes: first filter equipment 1 and second filter equipment 2, the structure is the same, and the symmetry sets up, all includes: the water filter tank comprises a tank body 10 which is cylindrical, wherein a first sand filter chamber 110 and a second sand filter chamber 111 are arranged on the upper portion of the tank body in a bilateral symmetry mode, a first-stage filter chamber 12 is arranged in the middle of the tank body, a third-stage filter chamber 14 is arranged on the lower portion of the tank body along the central axis in the longitudinal direction, a net filter chamber 150 is formed between the side wall of the third-stage filter chamber 14 and the side wall of the lower portion of the tank body 10, 5 net filter cylinders 151 are uniformly arranged in the net filter chamber 150 along the circumference of the same horizontal plane, a second-stage filter chamber 13 is; the top of the primary filter cavity 12 is communicated with the bottom of the first sand filter cavity 110 and the bottom of the second sand filter cavity 111, and the side surface is communicated with the side surface of the net filter cavity 150 through the first water filter pipe 17 and the second water filter pipe 18; the second-stage filter cavity 13 is communicated with the net-type filter cavity 150 through the side surface of the net-type filter cylinder 151, and the laminated filter element 16 is provided with a water outlet 160 close to the inner end of the third-stage filter cavity 14 and is communicated with the third-stage filter cavity 14 through a pipeline; the bottom of the third-stage water filtering cavity 14 is provided with a water outlet 140; one end of the first strainer 17 is communicated with the side surface of the first-stage filtering cavity 12, the other end is communicated with one end of the second strainer 18, and the other end of the second strainer 18 is communicated with the side surface of the net-type filtering cavity 150;
the water inlet pipeline 3 and the first sewage draining pipeline 4 are arranged in parallel, the side surface of one end is respectively communicated with the two water inlets 116 of the first filtering device 1 through a first back-washing control valve 80 and a second back-washing control valve 81, and the side surface of the other end is respectively communicated with the two water inlets 116 of the second filtering device 2 through a third back-washing control valve 82 and a fourth back-washing control valve 83;
one end of the middle sewage draining pipeline 5 is communicated with the side surfaces of the first water filter pipe 17 and the second water filter pipe 18 of the first filtering device 1 through a fifth back flush control valve 84, and the other end of the middle sewage draining pipeline is communicated with the side surfaces of the first water filter pipe 17 and the second water filter pipe 18 of the second filtering device 2 through a sixth back flush control valve 85;
one end of the second sewage draining pipeline 6 is communicated with the side surface of the middle sewage draining pipeline 5;
a water discharge pipeline 7, one end of which is sealed, which is arranged below the first filtering device 1 and the second filtering device 2, and the side surfaces of which are respectively communicated with the water discharge port 140 of the first filtering device 1 and the water discharge port 140 of the second filtering device 2 through pipelines;
the first backwash control valve 80, the second backwash control valve 81, the third backwash control valve 82, the third backwash control valve 83, the fourth backwash control valve 84, the fifth backwash control valve 85 and the sixth backwash control valve 86 are three-way solenoid valves.
Preferably, the first filtering device 1 and the second filtering device 2 further comprise: the first sand filter and the second sand filter are respectively arranged in the first sand filtering cavity 110 and the second sand filtering cavity 111.
Preferably, the first sand filter and the second sand filter each comprise: a water separator 112 disposed at the top water inlet 116; a sand bed 113 disposed in the middle; a filter cap stand 114 disposed at the bottom; and the filtering cap 115 is arranged on the filtering cap frame.
Preferably, the third stage filtrate chamber 14 is cylindrical, and the top of the third stage filtrate chamber is tightly sealed against the bottom surface of the first stage filtrate chamber 12.
Preferably, the net-type filter cartridge 151 has a net-shaped side surface, and an outer end sealed by a flange 152 and extending to the outside of the sidewall of the can body 10; the outer end of the laminated filter element 16 is suspended, the side surface of the inner end is fixedly connected with the inner side surface of the mesh type filter cylinder 151 through a fixing ring 161, and the end of the inner end is provided with a water outlet 160.
Preferably, the screen filter cartridge 151 has a filtering accuracy of 50 mesh.
Preferably, the first filtering device 1 and the second filtering device 2 further comprise: the supporting legs 19 are fixedly arranged at the bottom of the tank body 10.
The utility model discloses a working process and principle as follows:
when the filter is normally used, firstly, the first backwashing control valve and the second backwashing control valve are arranged to be communicated with two water inlets of the first filter device and the water inlet pipeline, and the third backwashing control valve and the fourth backwashing control valve are arranged to be communicated with two water inlets of the second filter device and the water inlet pipeline; the fifth backwashing control valve and the sixth backwashing control valve are arranged in a way that the first filter pipes and the second filter pipes of the first filter device and the second filter device are communicated, and the middle sewage discharge pipeline is disconnected with the first filter pipes and the second filter pipes of the first filter device and the second filter device;
secondly, under the effect of pressure, water to be filtered enters a first sand filter cavity and a second sand filter cavity of a first filter device (the process of the second filter device is the same and the water to be filtered is omitted) from a water inlet pipeline, enters a first-stage water filtering cavity after being filtered by a first sand filter and a second sand filter, then enters a net-type filter cavity through a first water filtering pipe and a second water filtering pipe, enters a second-stage water filtering cavity after being filtered through the side surface of a net-type filter cylinder, then enters a laminated filter element and is filtered, enters a third-stage water filtering cavity from a water outlet through a pipeline, and finally enters a drainage pipeline through a water outlet.
In the backwashing state, the first filtering device is backwashed, the second filtering device works normally (or the states of the first filtering device and the second filtering device are reversed), and the following description will be given by taking the first filtering device as an example:
when the first filtering device is backwashed, the first sand filter and the second sand filter of the first filtering device are backwashed alternately, and meanwhile, the net type filter cylinder and the laminated filter element are backwashed simultaneously with the first sand filter or the second sand filter:
firstly, a first backwashing control valve is arranged, one water inlet of a first filtering device is communicated with a water inlet pipeline, and a second backwashing control valve is arranged, the other water inlet of the first filtering device is communicated with a first sewage discharge pipe (the states of the first backwashing control valve and the second backwashing control valve are alternately arranged); the third back-washing control valve and the fourth back-washing control valve are arranged in such a way that two water inlets of the second filtering device are communicated with the water inlet pipe; the fifth backwashing control valve is arranged in a way that the first water filter pipe and the second water filter pipe of the first filtering device are disconnected, and the first water filter pipe and the second water filter pipe are both communicated with the middle sewage discharge pipeline, namely the second sewage discharge pipeline; the sixth backwashing control valve is arranged to keep the first filter pipe and the second filter pipe of the second filtering device communicated, and the middle sewage discharge pipe is kept disconnected with the first filter pipe and the second filter pipe of the second filtering device;
secondly, on one hand, the second sand filter of the first filtering device works normally, water to be filtered enters the second sand filter from the water inlet pipe through the second backwashing control valve, the water enters the primary water filtering cavity after being filtered, filtered water in the primary water filtering cavity enters the first sand filter from the bottom of the first sand filter under the action of pressure, sand of the sand bed is driven to generate a shaking backwashing effect by reversely passing through the filtering cap, and the washed sewage enters the first sewage discharge pipeline through the first backwashing control valve; when the back washing of the first sandstone filter is finished, the back washing of the second sandstone filter is carried out, the states of the first back washing control valve and the second back washing control valve are reversely arranged, and the back washing of the second sandstone filter can be carried out;
meanwhile, in the second filtering device in the normal working state, the final filtered water passes through the drain pipe, enters the third-stage water filtering cavity of the first filtering device through the water outlet of the first filtering device, then enters the laminated filter element through the water outlet, backflushs the laminated filter element, passes through the second-stage water filtering cavity, backflushs the side surface of the net type filter cylinder, enters the net type filtering cavity, and finally enters the second sewage discharge pipeline through the second water filtering pipe and the middle sewage discharge pipeline to be discharged.
To sum up, compare under the prior art, the utility model discloses filter the core integration at a jar internally with sandstone filtration ware, net formula cartridge filter and lamination, saved back flush valve quantity, simplified system architecture, improved filtration quality of water, improved back flush effect and efficiency, system life-span and irrigation efficiency, reduced area, reduced the construction cost.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A dual chamber, three stage filtration system comprising:
first filter equipment and second filter equipment, the structure is the same, and the symmetry sets up, all includes: the filter tank is cylindrical, a first sand filter cavity and a second sand filter cavity are arranged on the upper portion of the filter tank in a bilateral symmetry mode, a first-stage filter cavity is arranged in the middle of the filter tank, a third-stage filter cavity is longitudinally arranged on the lower portion of the filter tank along a central shaft, a net filter cavity is formed between the side wall of the third-stage filter cavity and the side wall of the lower portion of the filter tank, a plurality of net filter cartridges are uniformly arranged in the net filter cavity along the circumference of the same horizontal plane, a second-stage filter cavity is formed in each; the top of the primary filter cavity is communicated with the bottom of the first sand filter cavity and the bottom of the second sand filter cavity, and the side surface of the primary filter cavity is communicated with the side surface of the net-type filter cavity through a first water filter pipe and a second water filter pipe; the second-stage filter cavity is communicated with the net-type filter cavity through the side surface of the net-type filter cylinder, and the laminated filter element is provided with a water outlet close to the inner end of the third-stage filter cavity and is communicated with the third-stage filter cavity through a pipeline; a water outlet is arranged at the bottom of the third-stage water filtering cavity; one end of the first strainer is communicated with the side surface of the first-stage strainer, the other end of the first strainer is communicated with one end of the second strainer, and the other end of the second strainer is communicated with the side surface of the net-type strainer;
the water inlet pipeline and the first sewage discharge pipeline are arranged in parallel, the side surface of one end of each water inlet pipeline is respectively communicated with the two water inlets of the first filtering device through a first backwashing control valve and a second backwashing control valve, and the side surface of the other end of each water inlet pipeline is respectively communicated with the two water inlets of the second filtering device through a third backwashing control valve and a fourth backwashing control valve;
one end of the middle sewage discharge pipeline is communicated with the side surfaces of the first water filter pipe and the second water filter pipe of the first filtering device through a fifth backwashing control valve, and the other end of the middle sewage discharge pipeline is communicated with the side surfaces of the first water filter pipe and the second water filter pipe of the second filtering device through a sixth backwashing control valve;
one end of the second sewage discharge pipeline is communicated with the side surface of the middle sewage discharge pipeline;
one end of the drainage pipeline is sealed, the drainage pipeline is arranged below the first filtering device and the second filtering device, and the side surfaces of the drainage pipeline are respectively communicated with a drainage port of the first filtering device and a drainage port of the second filtering device through pipelines;
the first backwash control valve, the second backwash control valve, the third backwash control valve, the fourth backwash control valve, the fifth backwash control valve and the sixth backwash control valve are all three-way electromagnetic valves.
2. The dual chamber, tertiary filtration system of claim 1 wherein the first and second filtration means further comprise: the first sand-stone filter and the second sand-stone filter are respectively arranged in the first sand-stone filtering cavity and the second sand-stone filtering cavity.
3. The dual chamber, tertiary filtration system of claim 2 wherein the first sand filter and the second sand filter each comprise: the water separator is arranged at the water inlet at the top; the sand bed is arranged in the middle; the filter cap rack is arranged at the bottom; the filtering cap is arranged on the filtering cap frame.
4. The dual chamber tertiary filtration system of claim 1 wherein the tertiary filtration chamber is cylindrical and the top portion of the tertiary filtration chamber is sealed against the bottom surface of the primary filtration chamber.
5. The dual chamber tertiary filtration system of claim 1 wherein the screen filter cartridge has a screen-like side and an outer end sealed by a flange and extending beyond the sidewall of the tank; the outer end of the laminated filter element is suspended, the side surface of the inner end is fixedly connected with the inner side surface of the net type filter cylinder through a fixing ring, and the end of the inner end is provided with a water outlet.
6. The dual chamber, three stage filtration system of claim 1 wherein the screen filter cartridge has a filtration accuracy of 50 mesh.
7. The dual chamber, tertiary filtration system of claim 1 wherein the number of screen filter cartridges is set by flow rate.
8. The dual chamber, tertiary filtration system of claim 1 wherein the first and second filtration means further comprise: the landing leg is fixedly arranged at the bottom of the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021357628.4U CN212369734U (en) | 2020-07-10 | 2020-07-10 | Double-cavity three-stage filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021357628.4U CN212369734U (en) | 2020-07-10 | 2020-07-10 | Double-cavity three-stage filtering system |
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| Publication Number | Publication Date |
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| CN212369734U true CN212369734U (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021357628.4U Active CN212369734U (en) | 2020-07-10 | 2020-07-10 | Double-cavity three-stage filtering system |
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| CN (1) | CN212369734U (en) |
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