CN213313735U - Duplex filter - Google Patents
Duplex filter Download PDFInfo
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- CN213313735U CN213313735U CN202021734141.3U CN202021734141U CN213313735U CN 213313735 U CN213313735 U CN 213313735U CN 202021734141 U CN202021734141 U CN 202021734141U CN 213313735 U CN213313735 U CN 213313735U
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- filter
- filter bag
- bulge
- mounting ring
- filtering
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Abstract
The utility model discloses a pair filter, including two filtering component, feed liquor pipe and drain pipe, two filtering component all include the casing, strain a section of thick bamboo, sealing washer, filter bag and closing device, and the filter intracavity is fixed with the collar, strains a section of thick bamboo opening and sets up downwards and be located the filter chamber, and the sealing washer is located between bulge and the collar, and the filter bag cover is located and is strained on the section of thick bamboo and the cladding is located the bulge. The utility model has the advantages that: the filter bag is sleeved on the filter cylinder, so that the bearing capacity of the filter bag is enhanced, and the service life of the filter bag is prolonged; the bulge is arranged at the edge of the opening of the filter drum, so that the filter bag is completely coated with the bulge, the filter drum sleeved with the filter bag is buckled on the mounting ring, the sealing ring is arranged between the bulge and the mounting ring, and the filter drum is compressed by the compressing device, so that the bulge is tightly attached to the filter bag, the filter bag is tightly attached to the sealing ring, and the sealing performance of the joint of the filter bag is improved.
Description
Technical Field
The utility model belongs to the technical field of the filter technique and specifically relates to a pair filter is related to.
Background
The duplex filter can be switched to work by a single machine, and can also work by two machines simultaneously to enlarge the filtering flow, so that the filter does not need to be stopped when being cleaned, the continuous work of the filter is ensured, and the duplex filter is the first choice of the filtering device of the production line without stopping.
The existing duplex filter has the following defects: 1) the bearing capacity of the filter bag is weaker, and when the pressure of the filtrate is too high, the filter bag is easy to break, so that the service life of the filter bag is shorter; 2) the sealing performance of the joint of the filter bag and the filter shell is poor, so that filtrate leakage is easily caused, and the filtering effect is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, a need exists for a duplex filter with strong filter bag bearing capacity, long filter bag service life and good sealing performance at the filter bag connection.
A duplex filter comprising: two filtering components, a liquid inlet pipe and a liquid outlet pipe,
the two filtering components comprise a shell, a filtering cylinder, at least one sealing ring, a filtering bag and a compressing device, the shell is provided with a closed filter cavity, the shell is provided with a liquid inlet and a liquid outlet which are communicated with the filter cavity, a mounting ring is fixed in the filtering cavity and is attached to the inner side wall of the shell, the mounting ring is positioned between the liquid inlet and the liquid outlet, the filter cylinder is provided with a plurality of through holes, the opening of the filter cartridge is downwards arranged and is positioned in the filter cavity, the filter cartridge is buckled with the mounting ring, the edge of the opening of the filter cylinder is provided with an annular bulge, the sealing ring is positioned between the bulge and the mounting ring, the filter bag is sleeved on the filter cylinder and covers the bulge, and the pressing device is used for downwards pressing the filter cylinder so as to enable the filter cylinder to be attached to the mounting ring;
the liquid inlet pipe is communicated with the liquid inlets of the two filtering assemblies;
the drain pipe is communicated with the two liquid outlets of the filtering assemblies.
Compared with the prior art, the utility model provides a technical scheme's beneficial effect is: the filter bag is sleeved on the filter cylinder, so that the bearing capacity of the filter bag is enhanced, and the service life of the filter bag is prolonged; the bulge is arranged at the edge of the opening of the filter drum, so that the filter bag is completely coated with the bulge, the filter drum sleeved with the filter bag is buckled on the mounting ring, the sealing ring is arranged between the bulge and the mounting ring, and the filter drum is compressed by the compressing device, so that the bulge is tightly attached to the filter bag, the filter bag is tightly attached to the sealing ring, and the sealing performance of the joint of the filter bag is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a duplex filter provided by the present invention;
FIG. 2 is an enlarged view of a portion of region A of FIG. 1;
FIG. 3 is an enlarged partial view of region B of FIG. 1;
in the figure: 1-filtering component, 2-liquid inlet pipe, 3-liquid outlet pipe, 11-shell, 111-liquid inlet, 112-liquid outlet, 113-liquid inlet valve, 114-liquid outlet valve, 12-filter cylinder, 121-bulge, 1211-upper limit groove, 122-limit hole, 13-sealing ring, 14-filter bag, 15-compacting device, 151-screw, 152-press block, 16-mounting ring, 161-lower limit groove and 17-top cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present invention provides a duplex filter, which includes two filtering components 1, a liquid inlet pipe 2 and a liquid outlet pipe 3.
Referring to fig. 1 to 3, each of the two filter assemblies 1 includes a housing 11, a filter cartridge 12, at least one sealing ring 13, a filter bag 14 and a pressing device 15, the housing 11 has a sealed filter cavity, the housing 11 is provided with a liquid inlet 111 and a liquid outlet 112 communicated with the filter cavity, a mounting ring 16 is fixed in the filter cavity, the mounting ring 16 is attached to an inner side wall of the housing 11, and the mounting ring 16 is located between the liquid inlet 111 and the liquid outlet 112. In this embodiment, the liquid inlet 111 is disposed at the upper end of the housing 11, and the liquid outlet 112 is disposed at the lower end of the housing 11.
Referring to fig. 1 to 3, a plurality of through holes (not shown) are formed in the filter cartridge 12, the filter cartridge 12 is disposed with an opening facing downward and located in the filter cavity, the filter cartridge 12 is fastened to the mounting ring 16, an annular protrusion 121 is formed at an edge of the opening of the filter cartridge 12, the sealing ring 13 is located between the protrusion 121 and the mounting ring 16, the filter bag 14 is sleeved on the filter cartridge 12 and covers the protrusion 121, and the compressing device 15 is used for pressing the filter cartridge 12 downward to tightly attach the filter cartridge 12 to the mounting ring 16.
Referring to fig. 1, the liquid inlet pipe 2 is communicated with the liquid inlets 111 of the two filter assemblies 1. The liquid outlet pipe 3 is communicated with the liquid outlets 112 of the two filtering assemblies 1.
The utility model provides an installation method of duplex filter as follows: firstly, the filter cartridge 12 is sleeved with the filter bag 14, the filter bag 14 is to completely cover the filter cartridge 12 and the bulge 121 of the filter cartridge 12, then the mounting ring 16 in the shell 11 is paved with the sealing ring 13, then the filter cartridge 12 covered with the filter bag 14 is placed into the shell 11 with the opening facing downwards, the bulge 121 of the filter cartridge 12 is tightly attached to the sealing ring 13, and then the filter cartridge 12 is pressed downwards through the pressing device 15, so that the bulge 121 and the filter bag 14, the filter bag 14 and the sealing ring 13 and the mounting ring 16 are tightly attached, and the phenomenon of liquid leakage at the joint of the filter bag 14 is ensured to be avoided.
When the filter is used, the filtrate flows into the two liquid inlets 111 from the liquid inlet pipe 2 respectively, so as to enter the upper part of the filter cavity, and the filtrate reaches the lower part of the filter cavity after sequentially passing through the filter bag 14 and the through holes on the filter cartridge 12, and continuously flows out of the liquid outlet pipe 112 into the liquid outlet pipe 3, so that the purpose of filtering the filtrate is achieved.
Specifically, please refer to fig. 1 and fig. 2, both of the two filter assemblies 1 further include a top cover 17 matched with the housing 11, the top cover 17 is provided with a screw hole, in this embodiment, one side of the top cover 17 is rotatably connected with the housing 11, and the other side of the top cover 17 is movably connected with the housing 11 through a buckle (this is prior art and is not described herein again). The pressing device 15 comprises a screw 151 and a pressing block 152, the screw 151 is in threaded connection with the screw hole, one end of the pressing block 152 is fixedly connected with the screw 151, and the other end of the pressing block 152 is abutted to the filter cylinder 12. When the filter cartridge is used, the top cover 17 is covered on the shell 11, the top cover 17 is fixed with the shell 11 through the buckle, and then the screw 151 is rotated to enable the pressing block 152 to descend and abut against the filter cartridge 12, so that the protruding portion 121 of the filter cartridge 12 is tightly attached to the sealing ring 13.
Preferably, referring to fig. 1 and 2, a position on the outer wall of the filter cartridge 12 corresponding to the pressing block 152 is provided with a limiting hole 122 matching with the pressing block 152, and the pressing block 152 is partially disposed in the limiting hole 122.
Preferably, referring to fig. 1 and fig. 3, the protrusion 121 is provided with an upper limit groove 1211 matched with the sealing ring 13, and the mounting ring 16 is provided with a lower limit groove 161 matched with the sealing ring 13. The upper and lower restricting grooves 1211 and 161 restrict the seal ring 13 to prevent the seal ring from being dislocated.
Preferably, referring to fig. 1 and 3, the number of the sealing rings 13 is two, so as to enhance the sealing effect.
Preferably, referring to fig. 1, liquid inlets 111 of two filter assemblies 1 are provided with liquid inlet valves 113, and liquid outlets 112 of two filter assemblies 1 are provided with liquid outlet valves 114. By selectively opening or closing each liquid inlet valve 113 and liquid outlet valve 114, the single-double machine switching work of the double-connected filter is realized, so that the filter does not need to be stopped when being cleaned or the filter bags 14 are replaced, and the continuous work of the filter is ensured.
For a better understanding of the present invention, the installation and use of the duplex filter provided by the present invention will be described with reference to fig. 1-3.
(1) The installation method comprises the following steps: firstly, a filter bag 14 is sleeved on a filter cartridge 12, the filter bag 14 is to completely cover the filter cartridge 12 and a convex part 121 of the filter cartridge 12, then a sealing ring 13 is laid on an upper edge of a lower limiting groove 161 of a mounting ring 16 in a shell 11, the filter cartridge 12 covered with the filter bag 14 is placed into the shell 11 with an opening facing downwards, an upper limiting groove 1211 on the convex part 121 of the filter cartridge 12 is tightly attached to the sealing ring 13, a top cover 17 is covered on the shell 11, the top cover 17 is fixed with the shell 11 through a buckle, a screw 151 is rotated to enable a pressing block 152 to descend and tightly abut against the filter cartridge 12 so as to ensure that the convex part 121 of the filter cartridge 12 is tightly attached to the sealing ring 13, and therefore, the convex part 121 is tightly attached to the filter bag 14, the filter bag 14 is tightly attached to the sealing ring 13, and the sealing ring 13 is tightly attached to the mounting ring 16, and the.
(2) The using method comprises the following steps: when the filter is used, the filtrate flows into the two liquid inlets 111 from the liquid inlet pipe 2 respectively, so as to enter the upper part of the filter cavity, and the filtrate reaches the lower part of the filter cavity after sequentially passing through the filter bag 14 and the through holes on the filter cartridge 12, and continuously flows out of the liquid outlet pipe 112 into the liquid outlet pipe 3, so that the purpose of filtering the filtrate is achieved.
In summary, the filter bag 14 is sleeved on the filter cartridge 12, so that the bearing capacity of the filter bag 14 is enhanced, and the service life of the filter bag 14 is prolonged; the bulge 121 is arranged at the edge of the opening of the filter cartridge 12, so that the filter cartridge 14 completely covers the bulge 121, the filter cartridge 12 sleeved with the filter bag 14 is buckled on the mounting ring 16, the sealing ring 13 is arranged between the bulge 121 and the mounting ring 16, and the filter cartridge 12 is compressed by the compressing device 15, so that the bulge 121 and the filter bag 14, the filter bag 14 and the sealing ring 13 and the mounting ring 16 are tightly attached, and the sealing performance of the joint of the filter bag 14 is improved.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A duplex filter, comprising: two filtering components, a liquid inlet pipe and a liquid outlet pipe,
the two filtering components comprise a shell, a filtering cylinder, at least one sealing ring, a filtering bag and a compressing device, the shell is provided with a closed filter cavity, the shell is provided with a liquid inlet and a liquid outlet which are communicated with the filter cavity, a mounting ring is fixed in the filtering cavity and is attached to the inner side wall of the shell, the mounting ring is positioned between the liquid inlet and the liquid outlet, the filter cylinder is provided with a plurality of through holes, the opening of the filter cartridge is downwards arranged and is positioned in the filter cavity, the filter cartridge is buckled with the mounting ring, the edge of the opening of the filter cylinder is provided with an annular bulge, the sealing ring is positioned between the bulge and the mounting ring, the filter bag is sleeved on the filter cylinder and covers the bulge, and the pressing device is used for downwards pressing the filter cylinder so as to enable the filter cylinder to be attached to the mounting ring;
the liquid inlet pipe is communicated with the liquid inlets of the two filtering assemblies;
the drain pipe is communicated with the two liquid outlets of the filtering assemblies.
2. The duplex filter according to claim 1, wherein both of said filter assemblies further comprise a top cap cooperating with said housing, said top cap having a threaded hole;
the pressing device comprises a screw and a pressing block, the screw is in threaded connection with the screw hole, one end of the pressing block is fixedly connected with the screw, and the other end of the pressing block is abutted to the filter cylinder.
3. The dual-filter as claimed in claim 2, wherein a position of the outer wall of the filter cartridge corresponding to the pressing block is provided with a limiting hole matched with the pressing block, and the pressing block is partially arranged in the limiting hole.
4. The duplex filter according to claim 1, wherein the protrusion has an upper limit groove formed thereon for engaging with the sealing ring, and the mounting ring has a lower limit groove formed thereon for engaging with the sealing ring.
5. The duplex filter according to claim 1, wherein the liquid inlet of both of the filter assemblies is provided with a liquid inlet valve.
6. The duplex filter according to claim 1, wherein the outlet ports of both said filter assemblies are provided with outlet valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021734141.3U CN213313735U (en) | 2020-08-18 | 2020-08-18 | Duplex filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021734141.3U CN213313735U (en) | 2020-08-18 | 2020-08-18 | Duplex filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213313735U true CN213313735U (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021734141.3U Active CN213313735U (en) | 2020-08-18 | 2020-08-18 | Duplex filter |
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| CN (1) | CN213313735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113683283A (en) * | 2021-08-30 | 2021-11-23 | 扬州大学 | Full-automatic small sludge dewatering dryer and dewatering method thereof |
-
2020
- 2020-08-18 CN CN202021734141.3U patent/CN213313735U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113683283A (en) * | 2021-08-30 | 2021-11-23 | 扬州大学 | Full-automatic small sludge dewatering dryer and dewatering method thereof |
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