CN210543654U - Clear water filtering device - Google Patents
Clear water filtering device Download PDFInfo
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- CN210543654U CN210543654U CN201921019337.1U CN201921019337U CN210543654U CN 210543654 U CN210543654 U CN 210543654U CN 201921019337 U CN201921019337 U CN 201921019337U CN 210543654 U CN210543654 U CN 210543654U
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Abstract
The utility model relates to the technical field of environmental protection, water quality treatment, filtration or mining, in particular to a clear water filtering device, which comprises an outer barrel, a filter barrel, an inner barrel, a cleaning pipe, a first valve and a second valve, wherein the inner barrel is provided with the first valve to open and close a channel formed by the inner barrel, and the outer barrel is provided with a flow hole running through the side surface; the cleaning pipe is provided with a second valve to control the cleaning pipe to be opened and closed, a valve rod of the first valve is matched with a valve rod of the second valve through a gear, the inner cylinder is provided with a cleaning hole penetrating through the inner cylinder to communicate a cavity of the outer cavity and the inner cylinder, the cross-sectional area of the cleaning hole is less than or equal to 1/10 of that of the inner cylinder, the filter cylinder comprises a cylinder body and a filter screen, the cylinder body is provided with a filter hole penetrating through the side surface, and the filter screen covers the filter hole; thereby this application filter equipment also can normal supply water when the back flush, just also rotate together need rotate another valve of a valve simultaneously, does not need going of a valve rotatory, labour saving and time saving.
Description
Technical Field
The utility model relates to an environmental protection, water quality treatment, filtration or mining technical field, concretely relates to clear water filter equipment.
Background
The back flush filter is a multi-purpose back flush filtration system, mainly used for separating solid particles in liquid. The specific filter adopts a high-precision filter screen and a valve plate, and in the water treatment industry, the backwashing filter can effectively improve the water quality, prevent rear-end equipment from being blocked, reduce frequent manual switching operation and heavy filter cleaning work, and avoid unnecessary shutdown.
When the existing backwashing filter reversely washes the blocked impurities on the filter screen, the washed water flow carries the impurities to enter the drain pipe to be discharged, and the water flow required after normal filtration is absent during the reverse washing, which is equivalent to stopping supplying clean water to clean the filter screen.
Disclosure of Invention
The invention aims to provide a clear water filtering device aiming at the problem that the prior backwashing filter can not normally supply clean water when washing impurities.
In order to achieve the above purpose, the invention provides the following technical scheme:
a clear water filtering device is characterized by comprising an outer barrel, a filtering barrel, an inner barrel, a cleaning pipe, a first valve and a second valve, wherein the filtering barrel is arranged in the outer barrel, so that an outer cavity is formed by the outer wall of the filtering barrel and the inner wall of the outer barrel;
the cleaning pipe penetrates through the outer wall of the outer barrel and is communicated with the inner cavity of the filter barrel, the second valve is arranged on the cleaning pipe to control the cleaning pipe to be opened and closed, and the valve rod of the first valve is matched with the valve rod of the second valve through a gear so that: when the first valve is rotated to be opened, the second valve is rotated to be closed, and when the second valve is rotated to be closed, the second valve is rotated to be opened;
the inner cylinder is provided with a cleaning hole penetrating through the inner cylinder so as to communicate the outer cavity with a cavity of the inner cylinder, and the cross section area of the cleaning hole is less than or equal to 1/10 of the cross section area of the inner cylinder;
the cartridge filter includes barrel and filter screen, be provided with the filtration pore that runs through the side on the barrel, the filter screen covers the filtration pore.
In the scheme, the cross-sectional area of the inner cylinder cleaning hole is smaller than 1/10 of the cross-sectional area of the inner cylinder, so that most of fluid flows out through the cross section of the inner cylinder, if the fluid parameters are proper, basically all the fluid flows out of the cross section of the inner cylinder and cannot flow out of the cleaning hole, and clean water is filtered normally; if the filter cartridge is required to be reversely flushed, the first valve is rotated to enable the first valve to close the flow cross section of the inner barrel, the second valve is rotated along with the rotation of the first valve under the action of the gear matching relationship, the second valve is gradually opened, at the moment, the fluid can enter the outer cavity through the cleaning hole and then enters the inner cavity, the filter cartridge is reversely flushed, so that impurities attached to the inner wall of the filter cartridge are flushed, the fluid enters the outer cavity through the cleaning hole along with the water flow and is discharged out of the cleaning pipe, and meanwhile, a part of the fluid can continuously supply water through the flow of the outflow hole; in this scheme, the valve rod of first valve and the valve rod of second valve pass through the gear cooperation, only need rotate another valve of a valve just also rotate together, do not need going of a valve rotatory, labour saving and time saving.
Preferably, the jet direction of the cleaning hole is from the inside of the inner cylinder to the outside of the inner cylinder, and the included angle between the jet direction of the cleaning hole and the jet direction of the inner cylinder is greater than 90 degrees; less fluid enters the cleaning aperture without backflushing.
Preferably, a handle is fixedly arranged on the valve rod of the first valve or the valve rod of the second valve, so that the first valve and the second valve can be opened or closed conveniently.
Preferably, the clean water filtering device further comprises a filtering component for filtering the fluid flowing out from the filtering holes, so that the fluid flowing out from the flowing holes is also filtered when the back flushing is carried out, and preferably, the filtering component can be formed by sleeving the filtering cylinder on the inner cylinder.
Preferably, the valve rod of the first valve penetrates through the side wall of the outer cylinder, the valve core of the first valve is arranged at the end part of the inner cylinder, the filter cylinder is arranged at the end part of the inner cylinder, and the axis of the filter cylinder is overlapped with the axis of the inner cylinder.
Preferably, the valve rod of the first valve does not penetrate through the outer cylinder, the second valve is matched with the exposed part of the valve rod of the first valve through a gear, the valve rod of the first valve does not completely penetrate through the whole outer cylinder, a T-shaped structure is formed instead of a cross-shaped structure, therefore, the sealing position is less, the safety is higher, and meanwhile, the first valve and the second valve are arranged on the same side of the outer cylinder, so that the whole structure is simpler.
Compared with the prior art, the invention has the beneficial effects that: the sectional area of the inner cylinder cleaning hole is smaller than 1/10 of the sectional area of the inner cylinder, so that most of fluid flows out through the section of the inner cylinder, if the fluid parameters are proper, basically all the fluid flows out of the section of the inner cylinder and cannot flow out of the cleaning hole, and clean water is filtered normally; if the filter cartridge is required to be reversely flushed, the first valve is rotated to enable the first valve to close the flow cross section of the inner barrel, the second valve is rotated along with the rotation of the first valve under the action of the gear matching relationship, the second valve is gradually opened, at the moment, the fluid can enter the outer cavity through the cleaning hole and then enters the inner cavity, the filter cartridge is reversely flushed, so that impurities attached to the inner wall of the filter cartridge are flushed, the fluid enters the outer cavity through the cleaning hole along with the water flow and is discharged out of the cleaning pipe, and meanwhile, a part of the fluid can continuously supply water through the flow of the outflow hole; in this scheme, the valve rod of first valve and the valve rod of second valve pass through the gear cooperation, only need rotate another valve of a valve just also rotate together, do not need going of a valve rotatory, labour saving and time saving.
Description of the drawings:
FIG. 1 is a working diagram of the filtering device of the present application for normal water quality filtration;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic diagram of the back flushing operation of the filtration apparatus of the present application;
the labels in the figure are: 110-outer cylinder, 111-outflow hole, 112-outer chamber, 120-filter cylinder, 121-filter hole, 122-filter screen, 123-inner chamber, 130-inner cylinder, 131-cleaning hole, 140-first valve, 141-valve rod, 142-valve core, 151-gear, 152-handle, 160-cleaning pipe, 170-second valve.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
Referring to fig. 1 and 2, a clear water filtering device comprises an outer cylinder 110, a filter cylinder 120, an inner cylinder 130, a cleaning pipe 160, a first valve 140 and a second valve 170, wherein the filter cylinder 120 is sleeved in the outer cylinder 110, so that an outer cavity 112 is formed by the outer wall of the filter cylinder 120 and the inner wall of the outer cylinder 110, part of the inner cylinder 130 penetrates through one end of the outer cylinder 110 to be communicated with an inner cavity 123 of the filter cylinder 120, the first valve 140 is arranged on the end of the inner cylinder 130 connected with the filter cylinder 120 to open and close a channel formed by the inner cylinder 130, a flow-out hole 111 penetrating through the side surface is arranged on the outer cylinder 110, as shown in fig. 2, the water outlet hole 111 in fig. 1 and 3 is arranged at the bottom of the outer cylinder and is drawn for convenience of illustrating the whole working process, and the actual position is;
the cleaning pipe 160 passes through the other end of the outer cylinder 110 and is communicated with the inner cavity 123 of the filter cylinder 120, the second valve 170 is arranged on the cleaning pipe 160 to control the opening and closing of the cleaning pipe 160, and the valve rod 141 of the first valve 140 and the valve rod 141 of the second valve 170 are matched through the gear 151 so that: when the first valve 140 is rotated to be opened, the second valve 170 is rotated to be closed, and when the second valve 170 is rotated to be closed, the second valve 170 is rotated to be opened;
the inner cylinder 130 is provided with a cleaning hole 131 penetrating through the inner cylinder 130 to communicate the outer cavity 112 with a cavity of the inner cylinder 130, and the sectional area of the cleaning hole 131 is less than or equal to 1/10 of the sectional area of the inner cylinder 130; the filter element is further provided with a filter element for filtering the fluid flowing into the outer cavity 112 from the cleaning hole 131, the filter element can adopt the filter screen 122 covering the filter hole 121, and can also directly adopt the filter cartridge 120, specifically, the filter cartridge 120 can be sleeved on the corresponding position of the cleaning hole 131 arranged on the inner cylinder 130, and two ends of the filter cartridge 120 are both sealed with the inner cylinder 130, so that the fluid flowing into the inner cylinder 130 through the cleaning hole 131 can enter the outer cavity 112 after being filtered through the filter screen 122 on the filter cartridge 120, and the filtered fluid is provided.
Specifically, the filter cartridge 120 includes a cylinder and a filter screen 122, the cylinder is provided with a filter hole 121 penetrating through the side of the cylinder, so that fluid in the filter cartridge 120 can flow out through the filter hole 121, and meanwhile, for filtering, the filter screen 122 is provided to cover the filter hole 121 for filtering.
The cross-sectional area of the cleaning hole 131 of the inner cylinder 130 is less than 1/10 of the cross-sectional area of the inner cylinder 130, so that most of the fluid flows out through the cross-section of the inner cylinder 130, and if the fluid parameters are proper, substantially all of the fluid flows out of the cross-section of the inner cylinder 130 and does not flow out of the cleaning hole 131, so that the cleaning water is normally filtered; if the filter cartridge 120 needs to be backwashed, the first valve 140 is rotated to enable the first valve 140 to close the flow cross section of the inner cylinder 130, the second valve 170 is rotated along with the rotation of the first valve 140 under the matching relationship of the gear 151, the second valve 170 is also rotated, the second valve 170 is gradually opened, at this time, the fluid can enter the outer cavity 112 through the cleaning hole 131 and then enter the inner cavity 123, the filter cartridge 120 is backwashed, impurities attached to the inner wall of the filter cartridge 120 are washed away, the fluid is discharged from the cleaning pipe 160 along with the water flow, meanwhile, the fluid enters the outer cavity 112 through the cleaning hole 131, and a part of the fluid can flow through the outflow hole 111 to continuously supply water; in the scheme, the valve rod 141 of the first valve 140 and the valve rod 141 of the second valve 170 are matched through the gear 151, and only one valve needs to be rotated, and the other valve also rotates together, so that the rotation of one valve is not needed, and time and labor are saved.
The jet direction of the cleaning hole 131 is from the inside of the inner cylinder 130 to the outside of the inner cylinder 130, and the included angle between the jet direction of the cleaning hole 131 and the jet direction of the inner cylinder 130 is more than 90 degrees; when the back flushing is not performed, less fluid enters the cleaning hole 131, and the handle 152 is fixedly arranged on the valve rod 141 of the first valve 140 or the valve rod 141 of the second valve 170, so that the first valve 140 and the second valve 170 can be conveniently opened or closed.
The fresh water filtering apparatus further includes a filtering part to filter the fluid flowing out through the filtering holes 121 so that the fluid flowing out through the outflow holes 111 is also filtered when the back washing is performed, and preferably, the filtering part may be formed by sleeving the inner cylinder 130 with the filter cartridge 120.
The valve rod 141 of the first valve 140 penetrates through the side wall of the outer cylinder 110, the valve core 142 of the first valve 140 is arranged at the end of the inner cylinder 130, the filter cylinder 120 is arranged at the end of the inner cylinder 130, the axis of the filter cylinder 120 is coincident with the axis of the inner cylinder 130, the valve rod 141 of the first valve 140 does not penetrate through the outer cylinder 110, the second valve 170 is matched with the exposed part of the valve rod 141 of the first valve 140 through the gear 151, the valve rod 141 of the first valve 140 does not completely penetrate through the whole outer cylinder 110, a T-shaped structure is formed instead of a cross-shaped structure, therefore, the sealing position is less, the safety is higher, and meanwhile, the first valve 140 and the second valve 170 are arranged on the same side of the outer cylinder 110, so that the whole structure is simpler.
When the scheme of the application works, when the back flushing is not carried out in normal filtering, the fluid flow direction is shown in fig. 1, at this time, the first valve 140 is opened, the second valve 170 is closed, the fluid enters the inner cylinder 130, enters the inner cavity 123 of the filter cylinder 120 after passing through the valve core 142 of the first valve 140, enters the outer cavity 112 after passing through the filter holes 121 and the filter screen on the side wall of the cylinder, and then flows out through the outlet hole 111 to be supplied to the outside; when the back flushing is needed, the operator holds the handle 152 to rotate the valve rod 141 of the first valve 140, the valve core 142 of the first valve 140 is rotated and closed, when the valve rod 141 of the first valve 140 is rotated, the valve rod 141 of the second valve 170 is also rotated under the driving of the matching relationship of the gear 151, so that the second valve 170 is rotated and opened, then, the fluid flows to the direction as shown in fig. 2, specifically, after the fluid enters the inner cylinder 130, because the valve core 142 of the first valve 140 is closed, the fluid cannot enter the inner cavity 123 of the filter cylinder 120 through the valve core 142, the fluid can only enter the outer cavity 112 after being filtered through the cleaning hole 131 on the side wall of the inner cylinder 130 and the filter cylinder 120 sleeved outside the inner cylinder 130, the fluid entering the outer cavity 112 is divided into two paths to flow out of the outer cavity 112, one path of the fluid enters the inner cavity 123 of the filter cylinder 120 after passing through the filter screen 120 and, so that the impurities of the filter screen 122 are washed away and enter the inner chamber 123 together with the fluid, and then the fluid accompanied by the impurities is discharged through the cleaning pipe 160 and the second valve 170, and the other fluid of the outer chamber 112 directly flows out through the outflow hole 111 to normally supply the filtered fluid.
Claims (6)
1. The fresh water filtering device is characterized by comprising an outer barrel (110), a filtering barrel (120), an inner barrel (130), a cleaning pipe (160), a first valve (140) and a second valve (170), wherein the filtering barrel (120) is arranged in the outer barrel (110), so that the outer wall of the filtering barrel (120) and the inner wall of the outer barrel (110) form an outer cavity (112), the inner barrel (130) is communicated with the outer wall of the outer barrel (110) and an inner cavity (123) of the filtering barrel (120), the first valve (140) is arranged on the inner barrel (130) to open and close a channel formed by the inner barrel (130), and an outflow hole (111) penetrating through the side surface is arranged on the outer barrel (110);
the cleaning pipe (160) penetrates through the outer wall of the outer cylinder (110) to be communicated with the inner cavity (123) of the filter cylinder (120), the second valve (170) is arranged on the cleaning pipe (160) to control the cleaning pipe (160) to be opened and closed, and the valve rod (141) of the first valve (140) and the valve rod (141) of the second valve (170) are matched through a gear (151) to enable: when the first valve (140) is rotated to be opened, the second valve (170) is rotated to be closed, and when the second valve (170) is rotated to be closed, the second valve (170) is rotated to be opened;
the inner cylinder (130) is provided with a cleaning hole (131) penetrating through the inner cylinder (130) to communicate the outer cavity (112) with a chamber of the inner cylinder (130), and the cross-sectional area of the cleaning hole (131) is less than or equal to 1/10 of the cross-sectional area of the inner cylinder (130);
the filter cartridge (120) comprises a cartridge body and a filter screen (122), wherein the cartridge body is provided with filter holes (121) penetrating through the side face, and the filter screen (122) covers the filter holes (121).
2. The fresh water filtering device as claimed in claim 1, wherein the cleaning hole (131) is a jet direction of the cleaning hole (131) from inside of the inner barrel (130) to outside of the inner barrel (130), and the jet direction of the cleaning hole (131) and the jet direction of the inner barrel (130) form an angle of more than 90 degrees.
3. The fresh water filter device according to claim 1, wherein a handle (152) is fixedly arranged on the valve stem (141) of the first valve (140) or the valve stem (141) of the second valve (170).
4. The fresh water filter device of claim 1 further comprising a filter member to filter fluid flowing out of the filter aperture (121).
5. The fresh water filtering device according to claim 1, wherein the valve rod (141) of the first valve (140) penetrates through the side wall of the outer cylinder (110), the valve core (142) of the first valve (140) is arranged at the end of the inner cylinder (130), the filter cylinder (120) is arranged at the end of the inner cylinder (130), and the axis of the filter cylinder (120) is coincident with the axis of the inner cylinder (130).
6. The fresh water filter device of claim 1 wherein the valve stem (141) of the first valve (140) does not penetrate the outer tub (110), the second valve (170) engaging an exposed portion of the valve stem (141) of the first valve (140) via a gear (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921019337.1U CN210543654U (en) | 2019-07-01 | 2019-07-01 | Clear water filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921019337.1U CN210543654U (en) | 2019-07-01 | 2019-07-01 | Clear water filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210543654U true CN210543654U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921019337.1U Active CN210543654U (en) | 2019-07-01 | 2019-07-01 | Clear water filtering device |
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| Country | Link |
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| CN (1) | CN210543654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180238A (en) * | 2019-07-01 | 2019-08-30 | 重庆飞扬测控技术研究院有限公司 | A kind of backwashing water mass filter |
-
2019
- 2019-07-01 CN CN201921019337.1U patent/CN210543654U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180238A (en) * | 2019-07-01 | 2019-08-30 | 重庆飞扬测控技术研究院有限公司 | A kind of backwashing water mass filter |
| CN110180238B (en) * | 2019-07-01 | 2023-05-05 | 重庆飞扬测控技术研究院有限公司 | Backwash water quality filter |
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