CN209809666U - Vertical back flush filter - Google Patents
Vertical back flush filter Download PDFInfo
- Publication number
- CN209809666U CN209809666U CN201920565987.XU CN201920565987U CN209809666U CN 209809666 U CN209809666 U CN 209809666U CN 201920565987 U CN201920565987 U CN 201920565987U CN 209809666 U CN209809666 U CN 209809666U
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- box body
- pipe
- liquid inlet
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Abstract
The utility model discloses a vertical back-washing filter, which comprises a box body, wherein the box body is divided into three sections which are distributed in an upper section, a middle section and a lower section by a filter element mounting seat and a bottom plate, a sealing plate is arranged at the top of the box body, a blow-off pipe which penetrates out of the box body is arranged on the bottom plate, and a liquid inlet pipe and a liquid outlet pipe are arranged on the outer wall of the box body; the upper section of the box body is rotatably provided with a rotating shaft, a plurality of liquid inlet holes are formed in the filter element mounting seat, and a filter element is communicated with each liquid inlet hole; a driving shaft connected with the rotating shaft is rotatably arranged at the middle section of the box body, a liquid discharge channel communicated with the sewage discharge pipe is arranged in the driving shaft, a bent pipe is connected to the outer wall of the driving shaft, one end of the bent pipe is communicated with the liquid discharge channel, the other end of the bent pipe is communicated with one of the liquid inlet holes, and the bent pipe is rotatably connected with the filter element mounting seat; the filter element comprises a coarse filter screen cylinder and a fine filter screen cylinder, and the cylinder diameter of the coarse filter screen cylinder is gradually reduced from one end close to the liquid inlet hole to the other end; compared with the prior art, the utility model, compact structure, and the filter effect is good.
Description
Technical Field
The utility model relates to the technical field of filters, concretely relates to vertical back flush filter.
Background
The full-automatic back flush filter overcomes the defects that the traditional filtering product is small in dirt containing amount, easy to be blocked by dirt, the filtering part needs to be detached for cleaning, the state of the filter cannot be monitored and the like, has the functions of filtering raw water and automatically cleaning and discharging the filter element automatically, can supply water continuously when cleaning and discharging the dirt, can monitor the working state of the filter, and is high in automation degree.
However, the existing fully automatic backwashing filters are unreasonable in structural layout, so that the size of the existing fully automatic backwashing filters is large, the pressure difference in filter elements of the existing fully automatic backwashing filters is inconsistent, the filtering is not uniform, and the filtering effect is poor.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model aims to provide a vertical back flush filter to among the solution prior art, full-automatic back flush filter's structural configuration is unreasonable, leads to its bulky, and the pressure differential inconsistency in its filter core, leads to its filtration inhomogeneous, problem that the filter effect is poor.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a vertical backwashing filter comprises a box body, wherein the box body is divided into three sections which are distributed up, in and down through a filter element mounting seat and a bottom plate, a sealing plate is arranged at the top of the box body, the filter element mounting seat is positioned above the bottom plate, a blow-off pipe penetrating out of the box body is arranged on the bottom plate, a liquid inlet pipe and a liquid outlet pipe are arranged on the outer wall of the box body, the liquid inlet pipe is positioned between the filter element mounting seat and the bottom plate, and the liquid outlet pipe is positioned between the sealing plate and the filter element mounting;
the upper section of the box body is rotatably provided with a rotating shaft which is driven by a driver to rotate intermittently, the filter element mounting seat is provided with a plurality of liquid inlet holes which take the rotating shaft as the center and are distributed annularly, and each liquid inlet hole is communicated with a filter element connected between the sealing plate and the filter element mounting seat;
a driving shaft connected with the rotating shaft is rotatably arranged in the middle section of the box body, a liquid discharge channel communicated with the sewage discharge pipe is formed in the driving shaft, a bent pipe is connected to the outer wall of the driving shaft, one end of the bent pipe is communicated with the liquid discharge channel, the other end of the bent pipe is communicated with one of the liquid inlet holes, and the bent pipe is rotatably connected with the filter element mounting seat; when the driver intermittently drives the rotating shaft to rotate, the bent pipe is driven to rotate by the driving shaft, and the bent pipe is intermittently communicated with each liquid inlet hole;
the filter core includes the thick filter screen section of thick bamboo and the cover of establishing with the thick filter screen section of thick bamboo outside interval setting of feed liquor hole intercommunication and establishes the thin filter screen section of thick bamboo that sets up, and the cylinder diameter of thick filter screen section of thick bamboo reduces from the one end that is close to the feed liquor hole to the other end gradually.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the filter element mounting seat, the bottom plate, the rotating shaft, the driving shaft, the bent pipe, the filter element and other structures in the box body of the vertical backwashing filter are reasonably arranged, so that the vertical backwashing filter is compact in structure and small in size;
2. the filter element in the vertical backwashing filter is used for two-stage filtration consisting of the coarse filter screen cylinder and the fine filter screen cylinder, so that the filtering effect is improved, the cylinder diameter of the coarse filter screen cylinder is designed, the pressure drop caused by the increase of the path is compensated by the change of the cylinder diameter, the sewage pressure entering the coarse filter screen cylinder is uniform, and the filtering effect and the service life of the filter element are further improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural view of the middle quick locking member of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments:
reference numerals in the drawings of the specification include: the device comprises a box body 1, a filter element mounting seat 2, a bottom plate 3, a sealing plate 4, a sewage discharge pipe 5, a liquid inlet pipe 6, a liquid outlet pipe 7, a driver 8, a rotating shaft 9, a liquid inlet hole 10, a filter element 11, a driving shaft 12, a liquid discharge channel 13, a bent pipe 14, an outer sleeve 15, an inner sleeve 16, an upper connecting sleeve 161, a lower connecting sleeve 162, a copper sleeve 163, a liquid inlet pressure gauge 17, a liquid outlet pressure gauge 18, a power supply control box 19, an adjustable set point differential pressure switch 20, an electromagnetic valve 21, a flow adjusting plate 22, a quick locking piece 23, a thread locking column 231, a locking.
Examples
Referring to fig. 1 to 4: a vertical backwashing filter comprises a box body 1, the interior of the box body 1 is divided into three sections which are distributed up, in and down through a filter element mounting seat 2 and a bottom plate 3, a sealing plate 4 is arranged at the top of the box body 1, the filter element mounting seat 2 is positioned above the bottom plate 3, a sewage discharge pipe 5 penetrating out of the box body 1 is arranged on the bottom plate 3, a liquid inlet pipe 6 and a liquid outlet pipe 7 are arranged on the outer wall of the box body 1, the liquid inlet pipe 6 is positioned between the filter element mounting seat 2 and the bottom plate 3, and the liquid outlet pipe 7 is positioned between the sealing plate 4 and the filter element mounting seat; the upper section of the box body 1 is rotatably provided with a rotating shaft 9 which is driven by a driver 8 to rotate intermittently, a plurality of liquid inlet holes 10 which are distributed annularly and take the rotating shaft 9 as the center are arranged on the filter element mounting seat 2, and each liquid inlet hole 10 is communicated with a filter element 11 connected between the sealing plate 4 and the filter element mounting seat 2; a driving shaft 12 connected with the rotating shaft 9 is rotatably arranged at the middle section of the box body 1, a liquid discharge channel 13 communicated with the sewage discharge pipe 5 is arranged in the driving shaft 12, an elbow 14 is connected to the outer wall of the driving shaft 12, one end of the elbow 14 is communicated with the liquid discharge channel 13, the other end of the elbow 14 is communicated with one of the liquid inlet holes 10, and the elbow 14 is rotatably connected with the filter element mounting seat 2; when the driver 8 intermittently drives the rotating shaft 9 to rotate, the bent pipe 14 is driven to rotate by the driving shaft 12, and the bent pipe 14 is intermittently communicated with each liquid inlet hole 10; the filter element 11 comprises a coarse filter screen cylinder communicated with the liquid inlet hole 10 and a fine filter screen cylinder sleeved outside the coarse filter screen cylinder at intervals, and the cylinder diameter of the coarse filter screen cylinder is gradually reduced from one end close to the liquid inlet hole 10 to the other end.
The adopted rotating shaft 9 comprises a solid shaft section connected with the power output end of the driver 8 and a connecting sleeve connected between the solid shaft section and the driving shaft 12, the connecting sleeve comprises an inner sleeve 16 and an outer sleeve 15 sleeved outside the inner sleeve 16, the inner sleeve 16 comprises an upper connecting sleeve 161 connected with the solid shaft section, a lower connecting sleeve 162 connected with the driving shaft 12 and a copper sleeve 163 connected between the upper connecting sleeve 161 and the lower connecting sleeve 162; the structural design of the spindle 9 is to reduce the material while satisfying sufficient structural strength, and at the same time to reduce the load on the actuator 8 during operation.
A liquid inlet pressure gauge 17 is arranged on a liquid inlet pipe 6 of the vertical back-flushing filter, a liquid outlet pressure gauge 18 is arranged on a liquid outlet pipe 7, an adjustable set point pressure difference switch 20 which is connected with a power supply control box 19 through an electric wire is arranged on the outer wall of a box body 1, an electromagnetic valve 21 is arranged on a blow-off pipe 5, and the adjustable set point pressure difference switch 20 is respectively connected with the liquid inlet pressure gauge 17, the liquid outlet pressure gauge 18 and the electromagnetic valve 21 through electric wires; the pressure difference between the liquid inlet pressure gauge 17 and the liquid outlet pressure gauge 18 is adjusted by an adjustable set point pressure difference switch 20, so that the opening and closing of the electromagnetic valve 21 and the running state of the driver 8 are controlled by the power supply control box 19; the models of the liquid inlet pressure gauge 17 and the liquid outlet pressure gauge 18 can be YE-100BFZ, Y-63BFZ or Y-100ZT and the like, the model of the adjustable set point differential pressure switch 20 can be PFS2030AA, PFS14030AA or PFS14000AA and the like, the adopted driver 8 is a common speed reducing motor, and the power supply control box 19 is of the existing structure; when the device normally operates, the electromagnetic valve 21 is closed, sewage enters the middle section of the box body 1 from the liquid inlet pipe 6, enters the filter element 11 from the liquid inlet hole 10, sequentially passes through the coarse filter screen cylinder and the fine filter screen cylinder for secondary filtration, and filtered clean water is discharged from the liquid outlet pipe 7; under the back flushing state: after the vertical backwashing filter is normally filtered for many times, impurities in sewage are deposited inside and outside the fine filter screen cylinder to form a certain pressure difference, when the pressure difference between the liquid inlet pressure gauge 17 and the liquid outlet pressure gauge 18 reaches a certain pressure value, the adjustable set point pressure difference switch 20 provides a signal to the power supply control box 19 to open the electromagnetic valve 21, the speed reducing motor is started, the driving shaft 12 rotates along with the rotating shaft 9, when the bent pipe 14 is communicated with any one liquid inlet hole 10, liquid in the upper section of the box body 1 is discharged through the fine filter screen cylinder, the coarse filter screen cylinder, the liquid inlet hole 10, the bent pipe 14, the liquid discharge channel 13 and the sewage discharge pipe 5 under the action of the pressure difference, and meanwhile, the impurities deposited inside and outside the fine filter screen cylinder are discharged together to further achieve the purpose of backwashing; during the interval rotation of the speed reducing motor, the bent pipe 14 is communicated with each liquid inlet hole 10 in sequence, so that each filter element 11 is backwashed.
The adopted sewage discharge pipe 5 comprises a bent pipe section communicated with the driving shaft 12 and a straight pipe section communicated with the bent pipe section, the bent pipe section is arranged in the box body 1, the straight pipe section penetrates out of the box body 1, a flow adjusting plate 22 is arranged at a bent part in the bent pipe section, the flow adjusting plate 22 is obliquely arranged, and after entering the bent pipe section from the liquid discharge channel 13, sludge enters the straight pipe section after being changed in flow direction by the flow adjusting plate 22; the flow velocity of the sewage in the sewage discharge pipe 5 can be accelerated through the design of the flow adjusting plate 22, and the impurities are prevented from being deposited in the bent pipe section of the sewage discharge pipe 5.
In order to conveniently maintain and protect the driver 8, the driver 8 is reasonably arranged at the same time, the driver 8 is positioned above the sealing plate 4, a hood 24 is sleeved outside the driver 8, the hood 24 is fixedly connected with the sealing plate 4 through a plurality of quick locking pieces 23, the quick locking pieces 23 are annularly distributed on the sealing plate 4, each quick locking piece 23 comprises a threaded locking column 231 rotatably connected to the outer wall of the box body 1, an aligned installation notch is formed in a connecting lug of the hood 24 and the edge of the sealing plate 4, and the threaded locking column 231 is locked and fixed by a locking cap 232 in threaded connection with the threaded locking column 231 after rotating into the connecting lug of the hood 24 and the installation notch of the sealing plate 4; the hood 24 can be conveniently and rapidly coupled to or separated from the cabinet 1 by the structure of the snap-locking member 23.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (5)
1. A vertical backwashing filter comprises a box body and is characterized in that the box body is divided into three sections which are distributed up, in and down through a filter element mounting seat and a bottom plate, a sealing plate is arranged at the top of the box body, the filter element mounting seat is positioned above the bottom plate, a drain pipe penetrating out of the box body is arranged on the bottom plate, a liquid inlet pipe and a liquid outlet pipe are arranged on the outer wall of the box body, the liquid inlet pipe is positioned between the filter element mounting seat and the bottom plate, and the liquid outlet pipe is positioned between the sealing plate and the filter element mounting seat;
the upper section of the box body is rotatably provided with a rotating shaft which is driven by a driver to rotate intermittently, the filter element mounting seat is provided with a plurality of liquid inlet holes which take the rotating shaft as the center and are distributed annularly, and each liquid inlet hole is communicated with a filter element connected between the sealing plate and the filter element mounting seat;
a driving shaft connected with the rotating shaft is rotatably arranged in the middle section of the box body, a liquid discharge channel communicated with the sewage discharge pipe is formed in the driving shaft, a bent pipe is connected to the outer wall of the driving shaft, one end of the bent pipe is communicated with the liquid discharge channel, the other end of the bent pipe is communicated with one of the liquid inlet holes, and the bent pipe is rotatably connected with the filter element mounting seat; when the driver intermittently drives the rotating shaft to rotate, the bent pipe is driven to rotate by the driving shaft, and the bent pipe is intermittently communicated with each liquid inlet hole;
the filter core includes the thick filter screen section of thick bamboo and the cover of establishing with the thick filter screen section of thick bamboo outside interval setting of feed liquor hole intercommunication and establishes the thin filter screen section of thick bamboo that sets up, and the cylinder diameter of thick filter screen section of thick bamboo reduces from the one end that is close to the feed liquor hole to the other end gradually.
2. The vertical backwash filter as defined in claim 1, wherein: the liquid inlet pipe is provided with a liquid inlet pressure gauge, the liquid outlet pipe is provided with a liquid outlet pressure gauge, the outer wall of the box body is provided with an adjustable set point pressure difference switch device which is connected with the power supply control box through an electric wire, the blow-off pipe is provided with an electromagnetic valve, and the adjustable set point pressure difference switch device is respectively connected with the liquid inlet pressure gauge, the liquid outlet pressure gauge and the electromagnetic valve through electric wires; the pressure difference between the liquid inlet pressure gauge and the liquid outlet pressure gauge is adjusted through the adjustable set point pressure difference switch, so that the opening and closing of the electromagnetic valve and the running state of the driver are controlled through the power supply control box.
3. A vertical backflush filter according to claim 1 or 2, wherein: the sewage discharge pipe comprises a bent pipe section communicated with the driving shaft and a straight pipe section communicated with the bent pipe section, the bent pipe section is arranged in the box body, the straight pipe section penetrates out of the box body, a flow adjusting plate is arranged at a bent part in the bent pipe section, the flow adjusting plate is arranged in an inclined mode, and sludge enters the straight pipe section after flowing into the bent pipe section from the liquid drainage channel and then is changed in flow direction by the flow adjusting plate.
4. The vertical backwash filter as defined in claim 1, wherein: the driver is located the top of closing plate, and driver outside cover is equipped with the aircraft bonnet, the aircraft bonnet links to each other with the closing plate is fixed through a plurality of quick retaining members, a plurality of quick retaining members are the annular and distribute on the closing plate, quick retaining member is including rotating the screw locking post of connection on the box outer wall, the engaging lug of aircraft bonnet and the edge of closing plate are provided with the installation breach of lining up, the screw locking post shifts into behind the engaging lug of aircraft bonnet and the installation breach of closing plate through the locking cap with screw locking post threaded connection and the engaging lug counterbalance of aircraft bonnet and lock fixedly.
5. The vertical backwash filter as defined in claim 1, wherein: the rotating shaft comprises a solid shaft section connected with the power output end of the driver and a connecting sleeve connected between the solid shaft section and the driving shaft, the connecting sleeve comprises an inner sleeve and an outer sleeve sleeved outside the inner sleeve, and the inner sleeve comprises an upper connecting sleeve connected with the solid shaft section, a lower connecting sleeve connected with the driving shaft and a copper sleeve connected between the upper connecting sleeve and the lower connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565987.XU CN209809666U (en) | 2019-04-24 | 2019-04-24 | Vertical back flush filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565987.XU CN209809666U (en) | 2019-04-24 | 2019-04-24 | Vertical back flush filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209809666U true CN209809666U (en) | 2019-12-20 |
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ID=68881398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920565987.XU Active CN209809666U (en) | 2019-04-24 | 2019-04-24 | Vertical back flush filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209809666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413660A (en) * | 2021-06-18 | 2021-09-21 | 安庆宜源石油机械配件制造有限责任公司 | Oil separation filter equipment and filtration system thereof |
-
2019
- 2019-04-24 CN CN201920565987.XU patent/CN209809666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413660A (en) * | 2021-06-18 | 2021-09-21 | 安庆宜源石油机械配件制造有限责任公司 | Oil separation filter equipment and filtration system thereof |
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