CN210584028U - Forward and reverse alternate filtering and separating device - Google Patents
Forward and reverse alternate filtering and separating device Download PDFInfo
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- CN210584028U CN210584028U CN201920850360.9U CN201920850360U CN210584028U CN 210584028 U CN210584028 U CN 210584028U CN 201920850360 U CN201920850360 U CN 201920850360U CN 210584028 U CN210584028 U CN 210584028U
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Abstract
The utility model discloses a positive and negative alternative filtering and separating device, which comprises an inlet, an outlet and at least one pair of separating components; each pair of separation assemblies comprises a forward feed liquid inlet control valve, a first separation column, a reverse filtrate outlet control valve, a forward filtrate outlet control valve, a second separation column and a reverse feed liquid inlet control valve; the inlet is communicated with the forward feed liquid inlet control valve and the reverse feed liquid inlet control valve; the outlet is communicated with the forward filtrate outlet control valve and the reverse filtrate outlet control valve. The forward and reverse alternate filtering and separating device alternately feeds materials in the forward and reverse directions, so that the forward and reverse filtering surfaces of the filter net film can be fully utilized, the purposes of filtering and backwashing are achieved, and the blockage of the filter net film is avoided.
Description
Technical Field
The utility model relates to a separation and purification technical field of gas-solid, solid-liquid, gas-liquid and gas-solid liquid especially relates to a positive reverse filtering separation device in turn.
Background
The conventional filtration method is characterized in that ① takes out the filtration element to clean or replace, ② adopts a backwashing method, namely, a method of adopting clean water to backflush the filtration element to discharge accumulated impurities from a sewage discharge port, the former two cleaning schemes need to disassemble the filtration element, the latter two cleaning schemes need to be provided with complicated external pipelines, a plurality of valves are required to be switched, and the problems of troublesome operation and maintenance are solved.
The common precipitation method is to design settling tanks with different sizes according to the settling velocity of solid particles, and to change the time by using space. The method of sedimentation is used for removing the particles, but because the sedimentation velocity of the particles is low, the sedimentation tank which needs to be designed is often needed to be large, which causes the unfavorable factors of large occupied area, increased investment cost and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a positive reverse filter separator in turn through positive reverse feeding in turn to can make full use of filter net membrane's positive and negative filter surface, reach the purpose of filtering limit backwash, avoid filtering net membrane's jam.
In order to achieve the above object, the present invention adopts the following technical solutions:
a forward and reverse alternate filtration and separation device comprises an inlet, an outlet and at least one pair of separation components; each pair of separation assemblies comprises a forward feed liquid inlet control valve, a first separation column, a reverse filtrate outlet control valve, a forward filtrate outlet control valve, a second separation column and a reverse feed liquid inlet control valve; the first separation column comprises a first hollow column body, a first filter cylinder and a first inverted T-shaped pipeline, wherein the first filter cylinder is arranged in the first hollow column body, the bottom of the first filter cylinder faces downwards, the opening of the first filter cylinder faces upwards, and the upper portion of the first inverted T-shaped pipeline extends into the first filter cylinder; the first filter cylinder is used for dividing the first hollow cylinder into an upper part and a lower part, wherein the upper part is a first filtrate area, and the lower part is a first filter residue area; the bottom of the first filter residue area is provided with a first slag discharge valve and a first slag discharge port; a first overflow port is arranged at the upper part of the first inverted T-shaped pipeline, one end of the lower part of the first inverted T-shaped pipeline is communicated with the forward feed liquid inlet control valve, and the other end of the lower part of the first inverted T-shaped pipeline is communicated with the reverse filtrate outlet control valve; the second separation column comprises a second hollow column body, a second filter cylinder arranged in the second hollow column body and provided with a downward bottom and an upward opening, and a second inverted T-shaped pipeline with the upper part extending into the second filter cylinder; the second filter cylinder is used for dividing the second hollow cylinder into an upper part and a lower part, wherein the upper part is a second filtrate area, and the lower part is a second filter residue area; a second slag discharge valve and a second slag discharge port are arranged at the bottom of the second slag filtering area; a second overflow port is arranged at the upper part of the second inverted T-shaped pipeline, one end of the lower part of the second inverted T-shaped pipeline is communicated with the forward filtrate outlet control valve, and the other end of the lower part of the second inverted T-shaped pipeline is communicated with the reverse feed liquid inlet control valve; the inlet is communicated with the forward feed liquid inlet control valve and the reverse feed liquid inlet control valve; the outlet is communicated with the forward filtrate outlet control valve and the reverse filtrate outlet control valve; the first filtrate area is also communicated with the second filtrate area.
Further, forward feed liquid inlet control valve still communicates reverse feed liquid inlet control valve, forward filtrating outlet control valve still communicates reverse filtrating outlet control valve.
Further, a first exhaust port is formed in the top of the first filtrate area; and a second exhaust port is arranged at the top of the second filtrate area.
Further, the filter screen film of the first filter cylinder and/or the second filter cylinder is at least one of a textile fiber filter screen, an active carbon filter screen, a metal filter screen, a ceramic sintered membrane tube or a polymer sintered membrane tube.
Preferably, the mesh count of the screen membrane is between 2 and 10000.
Further, the cross section of the first filter cylinder and/or the second filter cylinder is polygonal or circular or arc-shaped.
Preferably, the polygon is a square or a rectangle.
Further, the forward feed liquid inlet control valve and/or the reverse filtrate outlet control valve and/or the forward filtrate outlet control valve and/or the reverse feed liquid inlet control valve and/or the first slag discharge valve and/or the second slag discharge valve are at least one of a manual valve and an electric valve.
Further, the separation device comprises more than two pairs of separation components with different filter screen membrane apertures; the separation assemblies are sequentially connected in series according to the order of the pore diameters of the filter screen membranes from large to small; and the first pair of separator modules in communication with the inlet has the largest screen membrane pore size and the last pair of separator modules in communication with the outlet has the smallest screen membrane pore size.
Further, the separation device comprises more than two pairs of separation assemblies with the same filter screen membrane pore size; the separation assemblies are connected together in parallel.
Furthermore, the lower part of the first inverted T-shaped pipeline and/or the second inverted T-shaped pipeline is/are also provided with an emptying pipe; and the emptying pipe is also provided with an emptying control valve.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses a positive reverse filter separator in turn will filter and subside the integration, has improved efficiency, has reduced the volume that subsides the device greatly, has reduced investment cost.
2. The utility model discloses a positive reverse filter separator in turn make full use of the two-sided filter capacity of filter screen membrane, utilize positive reverse filter in turn, realize the back flush when filterable, realized the serialization operation of filtering process.
3. The utility model discloses a positive reverse filter separator in turn can realize stage filtration with the filter screen membrane in different apertures, uses jointly with precision filter very much, not only can prolong precision filter's life, can alleviate precision filter's jam moreover greatly.
4. The utility model discloses a positive reverse filter separator in turn can adopt the power supply unmanned on duty when each control valve adopts the motorised valve, can realize automatic work, according to monitoring parameters such as time of predetermineeing, pressure differential or flow, can realize automatically regulated and filter, has realized that automation, high efficiency, high benefit filter.
5. The utility model discloses a positive reverse filter separator in turn can be applicable to the sewage treatment of various fields and each trade and unit processes such as result purification, is particularly suitable for the transformation to the heavy pond of two of current sewage treatment plant, can improve the operating efficiency in two heavy ponds greatly, reaches energy-conserving purpose.
6. The utility model discloses a positive reverse filtering separation device in turn can realize large-traffic filtration through parallelly connected many to the same separator assembly in filter screen membrane aperture.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of a forward and reverse alternate filtration and separation device of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the forward and reverse alternative filtering and separating device of the present invention.
Wherein the reference numerals of fig. 1 to 2 are explained as follows:
1. a first separation column; 11. a first hollow cylinder; 12. a first filter cartridge; 13. a first inverted T-shaped conduit; 14. a first slag discharge port; 15. a first overflow port; 16. a first filtrate outlet; 17. a first exhaust port; 2. a second separation column; 21. a second hollow cylinder; 22. a second filter cartridge; 23. a second inverted T-shaped duct; 24. a second slag discharge port; 25. a second overflow port; 26. a second filtrate outlet; 27. a second exhaust port; k1, positive feed liquid inlet control valve; k2, reverse feed liquid inlet control valve; k3, a reverse filtrate outlet control valve, K4 and a forward filtrate outlet control valve; k5, a first slag discharge valve; k6, second residual discharge valve.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments as follows:
example one
The utility model discloses a first preferred embodiment of a forward and reverse alternating filtration and separation device, which comprises an inlet, an outlet and at least one pair of separation components; each pair of separation modules comprises a forward feed liquid inlet control valve K1, a first separation column 1, a reverse filtrate outlet control valve K3, a forward filtrate outlet control valve K4, a second separation column 2 and a reverse feed liquid inlet control valve K2; the first separation column comprises a first hollow column body 11, a first filter cylinder 12 which is arranged in the first hollow column body 11 and has a downward bottom and an upward opening, and a first inverted T-shaped pipeline 13 of which the upper part extends into the first filter cylinder 12; the first filter cylinder 12 is used for dividing the first hollow column 11 into an upper part and a lower part, wherein the upper part is a first filtrate area, and the lower part is a first residue area; the bottom of the first filter residue area is provided with a first slag discharge valve K5 and a first slag discharge port 14; a first overflow port 15 is arranged at the upper part of the first inverted T-shaped pipeline 13, one end of the lower part of the first inverted T-shaped pipeline 13 is communicated with the forward feed liquid inlet control valve K1, and the other end is communicated with the reverse filtrate outlet control valve K3; the second separation column 2 comprises a second hollow column 21, a second filter cylinder 22 which is arranged in the second hollow column 21 and has a downward bottom and an upward opening, and a second inverted T-shaped pipeline 23 with an upper part extending into the second filter cylinder 22; the second filter cartridge 22 is used for dividing the second hollow cylinder 21 into an upper part and a lower part, wherein the upper part is a second filtrate area, and the lower part is a second filter residue area; the bottom of the second residue filtering area is provided with a second residue discharge valve K6 and a second residue discharge port 24; a second overflow port 25 is arranged at the upper part of the second inverted T-shaped pipeline 23, one end of the lower part of the second inverted T-shaped pipeline 23 is communicated with the forward filtrate outlet control valve K4, and the other end is communicated with the reverse feed liquid inlet control valve K2; the inlet is communicated with the forward feed liquid inlet control valve K1 and the reverse feed liquid inlet control valve K2; the outlet is communicated with the forward filtrate outlet control valve K4 and the reverse filtrate outlet control valve K3; the first filtrate area is also communicated with the second filtrate area.
Specifically, the forward feed liquid inlet control valve K1 is also communicated with the reverse feed liquid inlet control valve K2, and the forward filtrate outlet control valve K4 is also communicated with the reverse filtrate outlet control valve K3.
The first filtrate area is communicated with the second filtrate area, and in this embodiment, the first filtrate area and the second filtrate area are respectively and correspondingly provided with a first filtrate outlet 16 and a second filtrate outlet 26 at the top thereof, and then the first filtrate outlet 16 and the second filtrate outlet 26 are connected by a pipeline.
The filter screen film of the first filter cartridge 12 and/or the second filter cartridge 22 is at least one of a textile fiber filter screen, an activated carbon filter screen, a metal filter screen, a ceramic sintered membrane tube or a polymer sintered membrane tube.
The mesh number of the filter screen membrane is between 2 and 10000.
The cross section of the first filter cartridge 12 and/or the second filter cartridge 22 is polygonal or circular or arc-shaped. In this embodiment, the polygon is preferably a square or a rectangle.
The working principle of the forward and reverse alternative filtering and separating device of the present invention will be further described with reference to the structure of the separating device composed of 1 pair of separating assemblies shown in fig. 1.
And (3) forward filtering: the valves of a forward feed liquid inlet control valve K1 and a forward filtrate outlet control valve K4 are opened, the valves of a reverse feed liquid inlet control valve K2 and a reverse filtrate outlet control valve K3 are closed, a solid-liquid mixture overflows from an inlet through the forward feed liquid inlet control valve K1 to a first overflow port on the upper part of a first inverted T-shaped pipeline of a first separation column 1 through a conveying pump, the solid sinks, filtrate passes through a filter screen of the first filter cylinder and gradually forms a filter cake on the inner wall of the filter screen, the filtrate enters a second filtrate area of a second separation column 2 from a first filtrate outlet on the top of the first filtrate area, penetrates through the filter screen of the second filter cylinder from outside to inside, enters the pipeline from a second overflow port on the upper part of the second inverted T-shaped pipeline, and then flows out from an outlet after passing through a forward filtrate outlet control valve K4.
And (3) reverse filtration process: the valves of a reverse feed liquid inlet control valve K2 and a reverse filtrate outlet control valve K3 are opened, the valves of a forward feed liquid inlet control valve K1 and a forward filtrate outlet control valve K4 are closed, a solid-liquid mixture overflows from an inlet through the reverse feed liquid inlet control valve K2 to a second overflow port on the upper part of a second inverted T-shaped pipeline of the second separation column 2 assembly through a conveying pump, the solid sinks, filtrate passes through a filter screen of a second filter cylinder and gradually forms a filter cake on the inner wall of the filter screen, the filtrate enters a first filtrate area of the first separation column 1 from a second filtrate outlet on the top of the second filtrate area, the filter screen of the first filter cylinder penetrates from outside to inside, the filter cake on the inner wall of the first filter cylinder is gradually dropped and sinks, clear liquid enters the pipeline from a first overflow port on the upper part of the first inverted T-shaped pipeline, and finally flows out from an outlet after passing through the reverse filtrate outlet control.
And (3) an emptying process: in the practical application process, a branch pipe can be connected to the horizontal pipelines of the first inverted T-shaped pipeline and the second inverted T-shaped pipeline (namely the lower parts of the first inverted T-shaped pipeline and the second inverted T-shaped pipeline) as an emptying pipe according to the liquid material condition, and then the emptying pipe is controlled by an emptying control valve. And after the forward filtration is finished, opening the emptying control valve, and performing reverse filtration after the solid-liquid mixture in the first inverted T-shaped pipeline is discharged. After the reverse filtration was completed, the same operation was performed.
The slag discharging process comprises the following steps: when the filter residue at the lower end of the separation assembly is accumulated to a certain degree, the first slag discharge valve and the second slag discharge valve can be opened to discharge the filter residue.
And, the above-mentioned forward feed liquid inlet control valve and/or reverse filtrate outlet control valve and/or forward filtrate outlet control valve and/or reverse feed liquid inlet control valve and/or first slag valve and/or second slag valve can be the manual valve or electric valve, thus make the above-mentioned operational process all go on through the automatic or manual operation valve on-off state.
Example two
Fig. 2 shows a second embodiment of the forward and reverse alternate filtration and separation apparatus of the present invention, which comprises 1 pair of basic separation modules. The only difference from the embodiment is: the positions of the first filtrate outlet 16 and the second filtrate outlet 26 are respectively and correspondingly arranged at the upper parts of the first filtrate area and the second filtrate area, and the first exhaust port 17 and the second exhaust port 27 are respectively and correspondingly arranged at the top parts of the first filtrate area and the second filtrate area. The basic operation principle is substantially the same as that of the first embodiment, except that a gas outlet is added as a gas outlet to discharge gas from the top, so that the separation device described in this embodiment can be used for separation of a solid-liquid-gas three-phase mixture, such as a defoaming process.
EXAMPLE III
The third embodiment of the forward and reverse alternate filtration and separation device of the utility model comprises more than two pairs of separation components with different filter screen membrane apertures and the structure shown in figure 1 or figure 2; the separation assemblies are sequentially connected in series according to the order of the pore diameters of the filter screen membranes from large to small; and the pore size of the filter screen membrane of the first pair of separation modules communicated with the inlet is the largest, and the pore size of the filter screen membrane of the last pair of separation modules communicated with the outlet is the smallest, so that the classified filtration is realized.
Example four
The fourth embodiment of the forward and reverse alternate filtration and separation device of the utility model comprises more than two pairs of separation components with the same filter screen membrane aperture and the structure shown in the figures 1 and 2; the separation assemblies are connected together in parallel. Through the connection mode, large-flow filtration is realized.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. A forward and reverse alternate filtering and separating device is characterized in that: comprises an inlet, an outlet, and at least one pair of separation assemblies; each pair of separation assemblies comprises a forward feed liquid inlet control valve, a first separation column, a reverse filtrate outlet control valve, a forward filtrate outlet control valve, a second separation column and a reverse feed liquid inlet control valve; the first separation column comprises a first hollow column body, a first filter cylinder and a first inverted T-shaped pipeline, wherein the first filter cylinder is arranged in the first hollow column body, the bottom of the first filter cylinder faces downwards, the opening of the first filter cylinder faces upwards, and the upper portion of the first inverted T-shaped pipeline extends into the first filter cylinder; the first filter cylinder is used for dividing the first hollow cylinder into an upper part and a lower part, wherein the upper part is a first filtrate area, and the lower part is a first filter residue area; the bottom of the first filter residue area is provided with a first slag discharge valve and a first slag discharge port; a first overflow port is arranged at the upper part of the first inverted T-shaped pipeline, one end of the lower part of the first inverted T-shaped pipeline is communicated with the forward feed liquid inlet control valve, and the other end of the lower part of the first inverted T-shaped pipeline is communicated with the reverse filtrate outlet control valve; the second separation column comprises a second hollow column body, a second filter cylinder arranged in the second hollow column body and provided with a downward bottom and an upward opening, and a second inverted T-shaped pipeline with the upper part extending into the second filter cylinder; the second filter cylinder is used for dividing the second hollow cylinder into an upper part and a lower part, wherein the upper part is a second filtrate area, and the lower part is a second filter residue area; a second slag discharge valve and a second slag discharge port are arranged at the bottom of the second slag filtering area; a second overflow port is arranged at the upper part of the second inverted T-shaped pipeline, one end of the lower part of the second inverted T-shaped pipeline is communicated with the forward filtrate outlet control valve, and the other end of the lower part of the second inverted T-shaped pipeline is communicated with the reverse feed liquid inlet control valve; the inlet is communicated with the forward feed liquid inlet control valve and the reverse feed liquid inlet control valve; the outlet is communicated with the forward filtrate outlet control valve and the reverse filtrate outlet control valve; the first filtrate area is also communicated with the second filtrate area.
2. The forward and reverse alternate filtration and separation device according to claim 1, wherein: the forward feed liquid inlet control valve is also communicated with the reverse feed liquid inlet control valve, and the forward filtrate outlet control valve is also communicated with the reverse filtrate outlet control valve.
3. The forward and reverse alternate filtration and separation device according to claim 1, wherein: a first exhaust port is formed in the top of the first filtrate area; and a second exhaust port is arranged at the top of the second filtrate area.
4. A forward and reverse alternating filtration and separation device according to any one of claims 1 to 3, wherein: the filter screen film of the first filter cylinder and/or the second filter cylinder is at least one of a textile fiber filter screen, an active carbon filter screen, a metal filter screen, a ceramic sintered membrane tube or a polymer sintered membrane tube.
5. The forward and reverse alternate filtration and separation device according to claim 4, wherein: the mesh number of the filter screen membrane is between 2 and 10000.
6. A forward and reverse alternating filtration and separation device according to any one of claims 1 to 3, wherein: the cross section of the first filter cylinder and/or the second filter cylinder is polygonal, circular or arc-shaped.
7. A forward and reverse alternating filtration and separation device according to any one of claims 1 to 3, wherein: the forward feed liquid inlet control valve and/or the reverse filtrate outlet control valve and/or the forward filtrate outlet control valve and/or the reverse feed liquid inlet control valve and/or the first slag discharge valve and/or the second slag discharge valve are at least one of a manual valve and an electric valve.
8. A forward and reverse alternating filtration and separation device according to any one of claims 1 to 3, wherein: the separation device comprises more than two pairs of separation components with different filter screen membrane apertures; the separation assemblies are sequentially connected in series according to the order of the pore diameters of the filter screen membranes from large to small; and the first pair of separator modules in communication with the inlet has the largest screen membrane pore size and the last pair of separator modules in communication with the outlet has the smallest screen membrane pore size.
9. A forward and reverse alternating filtration and separation device according to any one of claims 1 to 3, wherein: the separation device comprises more than two pairs of separation assemblies with the same filter screen membrane pore size; the separation assemblies are connected together in parallel.
10. A forward and reverse alternating filtration and separation device according to any one of claims 1 to 3, wherein: the lower part of the first inverted T-shaped pipeline and/or the second inverted T-shaped pipeline is/are also provided with an emptying pipe; and the emptying pipe is also provided with an emptying control valve.
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| CN201920850360.9U CN210584028U (en) | 2019-06-06 | 2019-06-06 | Forward and reverse alternate filtering and separating device |
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| CN201920850360.9U CN210584028U (en) | 2019-06-06 | 2019-06-06 | Forward and reverse alternate filtering and separating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426757A (en) * | 2020-09-29 | 2021-03-02 | 湘潭大学 | Modular filter tank for biogas slurry pretreatment after anaerobic fermentation of livestock and poultry breeding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426757A (en) * | 2020-09-29 | 2021-03-02 | 湘潭大学 | Modular filter tank for biogas slurry pretreatment after anaerobic fermentation of livestock and poultry breeding |
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