CN213821225U - Filter screen blowback mechanism of secondary filter tower for double-tower industrial dust collector - Google Patents
Filter screen blowback mechanism of secondary filter tower for double-tower industrial dust collector Download PDFInfo
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- CN213821225U CN213821225U CN202022412164.9U CN202022412164U CN213821225U CN 213821225 U CN213821225 U CN 213821225U CN 202022412164 U CN202022412164 U CN 202022412164U CN 213821225 U CN213821225 U CN 213821225U
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Abstract
The utility model discloses a filter screen back-blowing mechanism of a secondary filter tower for a double-tower industrial dust collector, which comprises a high-pressure gas generator; one end of the gas guide pipe is communicated with the high-pressure gas generator; the lower part of the breather pipe is sealed; the upper end of the vent pipe is connected with the secondary filter vat, the upper end of the vent pipe is communicated with the gas guide pipe, and the lower part of the vent pipe is positioned in a filter element of the secondary filter vat; the breather pipe and the secondary filter barrel are coaxially arranged; the rotary wing is rotatably arranged on the vent pipe; the rotary wing is hollow and is communicated with the inside of the vent pipe; the rotary wing is provided with a plurality of air outlet holes distributed along the length direction of the rotary wing; the air outlet direction of the air outlet hole is perpendicular to the axis of the vent pipe and does not intersect with the axis of the vent pipe; and the filter element fixing piece is sleeved on the vent pipe and is positioned at the upper part of the rotating wing. The utility model discloses can realize the blowback with each regional whole on the filter core, the air velocity of blowback is higher simultaneously, realizes the purpose that blows off most of dust on the filter core.
Description
Technical Field
The utility model relates to a clean field, concretely relates to two tower industry filter tower's filter screen blowback mechanism for dust collector.
Background
The double-tower type industrial dust collector adopts a double-tower structure, dust in the air is adsorbed, and clean air is discharged finally. The double towers are respectively a primary filter tower and a secondary filter tower, the primary filter tower is used for adsorbing and separating most dust in the air, the gas still containing certain dust enters the secondary filter tower for secondary filtration, and the secondary filter tower is generally filtered by a filter element.
The filter core is after long time uses, will adhere to more dust granule, leads to the filter core to block up easily for dust catcher work efficiency reduces, consequently need carry out the blowback to the filter core, will adhere to the dust on the filter core and blow off. At present conventional blowback device adopts the mode of directional water conservancy diversion, blows to the filter core with the high-pressure gas guide, but has two problems, and the blowing of the big face of first guide gas simultaneously is to the filter core, must lead to the air velocity not high, and the dust on the filter core will have the part and can not blow off, and the guide of the big face simultaneously of second must lead to blowing to the gas distribution of filter core inhomogeneous to make the subregion of filter core still can't effectual work.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims at providing a two tower industry dust collector is with secondary filter tower's filter screen blowback mechanism, can all realize the blowback with each region on the filter core, the air velocity of blowback is higher simultaneously, realizes blowing off the purpose of most dust on the filter core.
The purpose of the utility model is realized through such technical scheme:
a filter screen blowback mechanism of a secondary filter tower for a double-tower industrial dust collector, which comprises,
a high pressure gas generator;
one end of the gas guide pipe is communicated with the high-pressure gas generator;
the lower part of the breather pipe is sealed; the upper end of the vent pipe is connected with the secondary filter vat, the upper end of the vent pipe is communicated with the gas guide pipe, and the lower part of the vent pipe is positioned in a filter element of the secondary filter vat; the breather pipe and the secondary filter barrel are coaxially arranged;
the rotary wing is rotatably arranged on the vent pipe; the rotary wing is hollow and is communicated with the inside of the vent pipe; the rotary wing is provided with a plurality of air outlet holes distributed along the length direction of the rotary wing; the air outlet direction of the air outlet hole is perpendicular to the axis of the vent pipe and does not intersect with the axis of the vent pipe;
and the filter element fixing piece is sleeved on the vent pipe and is positioned at the upper part of the rotating wing.
Further, the filter cartridge fixing assembly comprises,
the connecting pieces are uniformly distributed in a circumferential array around the axis of the vent pipe;
the partition plate is annular, the inner annular surface is fixedly connected with a plurality of connecting rods, and the outer annular surface is fixedly connected with the inner wall of the secondary filter barrel in a seamless manner; the partition plate and the vent pipe are coaxially arranged;
the filter element limiting pipe is arranged on the lower surface of the partition plate; is arranged coaxially with the vent pipe.
Further, the method also comprises the following steps of,
the extension rod is arranged at the bottom of the vent pipe and is coaxial with the vent pipe; the extension rod is provided with an external thread;
the nut is sleeved on the extension rod, and the upper surface of the nut is abutted to the bottom of the installed filter element.
Further, also includes
The sealing limiting ring is sleeved on the extension rod in a sleeved mode, and the inner ring surface of the sealing limiting ring is in seamless fit with the outer cylindrical surface of the extension rod; the sealing limiting ring is sleeved at the bottom of the filter element, and the outer ring surface is in seamless fixed connection with the opening at the bottom of the filter element.
Further, the rotary wing includes,
the first bearing and the second bearing are sleeved on the vent pipe; the first bearing and the second bearing are arranged at intervals; the vent pipe is provided with a vent hole, and the vent hole is communicated with the interior of the vent pipe; the vent hole is positioned between the first bearing and the second bearing;
the hollow air guide piece is sleeved outside the first bearing and the second bearing and is in seamless connection with the outer rings of the first bearing and the second bearing; the air guide piece wraps a space between the first bearing and the second bearing; the inner part of the air guide piece is communicated with the vent pipe through a vent hole;
the third bearing is sleeved on the vent pipe and positioned below the first bearing and the second bearing;
the positioning piece is fixedly connected with the outer ring surface of the third bearing;
one end of the back flushing pipe is fixedly connected with the air guide piece, the interior of the back flushing pipe is communicated with the air guide piece, and the other end of the back flushing pipe is fixedly connected with the positioning piece; the back flushing pipe is provided with a plurality of air outlet holes distributed along the length direction of the back flushing pipe; the air outlet directions of the air outlet holes distributed along the length direction of the air outlet holes are perpendicular to the axis of the air pipe and do not intersect with the axis of the air pipe.
Furthermore, the number of the back-blowing pipes is two, and the back-blowing pipes are uniformly arranged in a circumferential array around the axis of the vent pipe.
Furthermore, the two blowback pipes are parallel to the vent pipe.
Further, the first bearing and the second bearing are both end face sealed bearings.
Further, the method also comprises the following steps of,
the upper top spring is sleeved on the vent pipe, and the lower end of the upper top spring is abutted against the filter element fixing piece;
the sealing plate is sleeved on the vent pipe, and the lower end of the sealing plate is propped against the upper end of the upper top spring;
the upper end of the air cylinder is sleeved on the vent pipe in a seamless mode and is positioned right above the closing plate; the lower part of the air guide cylinder is opened and is opposite to the sealing plate, and the vent pipe is provided with an exhaust hole and is opposite to the inner wall of the air guide cylinder.
Furthermore, the lower surface of the closing plate is provided with a groove, and the upper part of the upper top spring is positioned in the groove.
Due to the adoption of the technical scheme, the utility model discloses following advantage has:
the utility model injects high pressure gas into the vent pipe through the air duct, then the vent pipe conveys the high pressure gas to the rotary wing, and finally the high pressure gas is blown to the filter element through the air outlet on the rotary wing, and the whole gas is not expanded when flowing, so that the gas keeps a high pressure state, therefore, the back blowing force is larger, and dust in the direction of the air outlet can be blown off; meanwhile, the air outlet direction of the air outlet hole is perpendicular to the axis of the vent pipe and does not intersect with the axis of the vent pipe, and the rotary wing can rotate around the vent pipe, so that the rotary wing is pushed to rotate in the air outlet hole air outlet process, and the air blowing holes can blow back all areas of the filter element.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The drawings of the utility model are as follows:
FIG. 1 is a schematic front view of a filter screen blowback mechanism of a secondary filter tower for a double tower industrial dust collector in an embodiment.
Fig. 2 is a right-view structural diagram of fig. 1.
FIG. 3 is a schematic view of the section A-A in FIG. 1.
Fig. 4 is an enlarged schematic view of B in fig. 3.
Fig. 5 is an enlarged schematic view of the structure at C in fig. 3.
Fig. 6 is an enlarged schematic view of the structure at D in fig. 3.
In the figure: 1. a high pressure gas generator; 2. an air duct; 3. a breather pipe; 31. a vent hole; 32. an exhaust hole; 41. a first bearing; 42. a second bearing; 43. a third bearing; 44. a gas guide; 45. a positioning member; 46. a blowback pipe; 47. an air outlet; 51. a connecting member; 52. a partition plate; 53. a filter element limiting pipe; 6. an extension rod; 7. a nut; 8. sealing the limiting ring; 9. a spring is pushed up; 10. a closing plate; 101. a groove; 11. an air guide cylinder.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example (b):
as shown in fig. 1 to 6, a filter screen blowback mechanism of a secondary filter tower for a double-tower industrial dust collector comprises,
a high-pressure gas generator 1;
one end of the gas guide pipe 2 is communicated with the high-pressure gas generator 1;
the lower part of the breather pipe 3 is sealed; the upper end of the vent pipe 3 is connected with the secondary filter vat, the upper end is communicated with the gas guide pipe 2, and the lower part is positioned in a filter element of the secondary filter vat; the breather pipe 3 is coaxially arranged with the secondary filter barrel;
the rotary wing is rotatably arranged on the vent pipe 3; the rotary wing is hollow and is communicated with the inside of the breather pipe 3; the rotary wing is provided with a plurality of air outlet holes 47 distributed along the length direction; the air outlet direction of the air outlet hole 47 is vertical to the axis of the air pipe 3 and does not intersect with the axis;
and the filter element fixing piece is sleeved on the vent pipe 3 and is positioned at the upper part of the rotating wing.
High-pressure gas is injected into the vent pipe 3 through the gas guide pipe 2, then the high-pressure gas is conveyed into the rotary wing through the vent pipe 3, and finally the high-pressure gas is blown to the filter element through the gas outlet 47 on the rotary wing, and the whole gas is not expanded during flowing, so that the gas keeps a high-pressure state, the back blowing force is large, and dust in the direction of the gas outlet 47 can be blown off; meanwhile, the air outlet direction of the air outlet 47 is perpendicular to the axis of the air pipe 3 and does not intersect with the axis, and the rotary wing can rotate around the air pipe 3, so that the rotary wing is pushed to rotate in the air outlet process of the air outlet 47, and the air blowing holes can blow back all areas of the filter element.
In this embodiment, the filter cartridge fixing assembly includes,
a plurality of connectors 51 arranged in a uniform circumferential array around the axis of the vent pipe 3;
the partition plate 52 is annular, the inner annular surface is fixedly connected with a plurality of connecting rods, and the outer annular surface is fixedly connected with the inner wall of the secondary filter barrel in a seamless manner; the partition plate 52 is arranged coaxially with the breather pipe 3;
a filter element position limiting pipe 53 provided on the lower surface of the partition plate 52; coaxially with the breather pipe 3.
The partition plate 52 is connected by the connecting member 51 while allowing the partition plate 52 to pass vertically through the gap between the partition plates 52, so that the gas is discharged from the lower portion of the breather pipe 3 into the upper portion through the area of the partition plate 52 after the filter cartridge is installed.
Meanwhile, the filter element limiting pipe 53 is used for matching the outer cylindrical surface with the inner cylindrical surface of the filter element so as to position and fix the filter element.
In this embodiment, the method further comprises the steps of,
the extension rod 6 is arranged at the bottom of the vent pipe 3 and is coaxial with the vent pipe 3; the extension rod 6 is provided with an external thread;
and the nut 7 is sleeved on the extension rod 6, and the upper surface of the nut is propped against the bottom of the installed filter element.
Because the filter core is the tubbiness structure, upper portion opening, the bottom is sealed, consequently sets up the extension rod for convenient fixed to the filter core, and the endotheca is in the bottom of filter core, and rethread nut 7 pushes up the filter core lower part for the stable setting of filter core is on the spacing pipe 53 of filter core.
In this embodiment, further comprising
The sealing limiting ring 8 is sleeved on the extension rod 6 in a sleeved mode, and the inner ring surface of the sealing limiting ring 8 is in seamless fit with the outer cylindrical surface of the extension rod 6; the sealing limit ring 8 is sleeved at the bottom of the filter element, and the outer ring surface is in seamless fixed connection with the opening at the bottom of the filter element.
Because the diameter of extension rod 6 can not accomplish too big, consequently extension rod 6 is not enough to the restriction of filter core lower part, through sealed spacing ring 8, can increase the restriction region of filter core bottom, and the reinforcing is to the fixed of filter core.
In this embodiment, the rotary wing includes,
the first bearing 41 and the second bearing 42 are sleeved on the vent pipe 3; the first bearing 41 and the second bearing 42 are arranged at intervals; the vent pipe 3 is provided with a vent hole 31, and the vent hole 31 is communicated with the inside of the vent pipe 3; the vent hole 31 is positioned between the first bearing 41 and the second bearing 42;
a hollow air guide 44 which is externally sleeved on the outer sides of the first bearing 41 and the second bearing 42 and is seamlessly connected with the outer rings of the first bearing 41 and the second bearing 42; the air guide 44 wraps the space between the first bearing 41 and the second bearing 42; the inside of the air guide piece 44 is communicated with the air pipe 3 through the vent hole 31;
a third bearing 43 which is externally sleeved on the breather pipe 3 and is positioned below the first bearing 41 and the second bearing 42;
a positioning member 45 fixedly connected to the outer ring surface of the third bearing 43;
a blowback pipe 46, one end of which is fixedly connected with the air guide member 44, the inside of which is communicated with the air guide member 44, and the other end of which is fixedly connected with the positioning member 45; a plurality of air outlet holes 47 distributed along the length direction of the blowback pipe 46 are arranged on the blowback pipe; the air outlet directions of the air outlet holes 47 distributed along the length direction of the air outlet holes are vertical to the axis of the air pipe 3 and do not intersect.
The air guide 44 is fixed by the first bearing 41 and the second bearing 42, and the air guide 44 is communicated with the vent hole 31 and finally communicated with the blowback pipe 46.
A third bearing 43 and a retainer 45 are provided for stability of the blow-back pipe 46.
In this embodiment, the two blowback pipes 46 are arranged in a uniform circumferential array around the axis of the breather pipe 3.
The two blowback pipes 46 are more balanced in force and are more easily urged to rotate around the breather pipe 3.
In this embodiment, the two blowback pipes 46 are parallel to the breather pipe 3.
Parallel to each other may enhance stability during rotation.
In this embodiment, the first bearing 41 and the second bearing 42 are both end face sealed bearings.
The end faces of the first bearing 41 and the second bearing 42 are closed, so that the gas passing through the vent hole 31 can only be in the gas guide 44, thereby reducing the waste of the gas and ensuring the high gas pressure of the gas.
In this embodiment, the method further comprises the steps of,
the upper top spring 9 is sleeved on the vent pipe 3, and the lower end of the upper top spring is abutted against the filter element fixing piece;
the closing plate 10 is sleeved on the vent pipe 3, and the lower end of the closing plate is propped against the upper end of the upper top spring 9;
the upper end of the gas cylinder 11 is seamlessly sleeved on the vent pipe 3 and is positioned right above the closing plate 10; the lower part of the gas cylinder 11 is opened and is opposite to the closing plate 10, and the vent pipe 3 is provided with a vent hole 32 which is opposite to the inner wall of the gas cylinder 11.
In the back flushing process, all back flushing gas can only reversely pass through the filter element under the optimal condition, so that the back flushing purpose can be realized to the maximum extent, and therefore, a channel at the top of the filter element is preferably closed in the back flushing process.
The high-pressure gas pushes the closing plate 10 to move downwards through the vent holes 32, so that the channel at the top of the filter element is closed.
In this embodiment, the lower surface of the closing plate 10 is provided with a groove 101, and the upper portion of the upper spring 9 is located in the groove 101.
In order to ensure the motion stability of the closing plate 10, a groove 101 is provided for limiting the upper spring 9.
The filter screen blowback mechanism of secondary filter tower for two tower industrial dust cleaners in this embodiment uses like this, installs the filter core, installs this device again on two tower industrial dust cleaners, and the secondary filter vat wraps up breather pipe 3 and the spare part of being connected with it.
Starting the high pressure gas generator 1 (high pressure gas pump), the high pressure gas enters the vent pipe 3 through the gas guide pipe 2, part of the high pressure gas is discharged through the vent hole 32, and the discharged gas is blown to the closing plate 10 under the guide direction of the gas guide pipe 11, so that the closing plate 10 is pressed down to seal the upper part of the filter element.
The rest of the high pressure gas enters the gas guide 44 through the vent pipe 3, enters the blowback pipe 46 and finally is discharged through the gas outlet 47. The discharged gas is blown to the inner side of the filter element to blow off the dust attached to the outer side of the filter element. Meanwhile, under the action of high-pressure gas, the blowback pipe 46 is pushed to be positioned on the breather pipe 3 to rotate, so that the air outlet 47 performs blowback on the whole inner cylindrical surface of the filter element.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and 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 modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (10)
1. A filter screen blowback mechanism of a secondary filter tower for a double-tower industrial dust collector is characterized by comprising,
a high pressure gas generator;
one end of the gas guide pipe is communicated with the high-pressure gas generator;
the lower part of the breather pipe is sealed; the upper end of the vent pipe is connected with the secondary filter vat, the upper end of the vent pipe is communicated with the gas guide pipe, and the lower part of the vent pipe is positioned in a filter element of the secondary filter vat; the breather pipe and the secondary filter barrel are coaxially arranged;
the rotary wing is rotatably arranged on the vent pipe; the rotary wing is hollow and is communicated with the inside of the vent pipe; the rotary wing is provided with a plurality of air outlet holes distributed along the length direction of the rotary wing; the air outlet direction of the air outlet hole is perpendicular to the axis of the vent pipe and does not intersect with the axis of the vent pipe;
and the filter element fixing piece is sleeved on the vent pipe and is positioned at the upper part of the rotating wing.
2. The filter screen blowback mechanism of a secondary filter tower for a double tower industrial dust collector of claim 1, wherein the filter cartridge securing assembly comprises,
the connecting pieces are uniformly distributed in a circumferential array around the axis of the vent pipe;
the partition plate is annular, the inner annular surface is fixedly connected with a plurality of connecting rods, and the outer annular surface is fixedly connected with the inner wall of the secondary filter barrel in a seamless manner; the partition plate and the vent pipe are coaxially arranged;
the filter element limiting pipe is arranged on the lower surface of the partition plate; is arranged coaxially with the vent pipe.
3. The filter screen blowback mechanism of a secondary filter tower for a double tower industrial dust collector of claim 2, further comprising,
the extension rod is arranged at the bottom of the vent pipe and is coaxial with the vent pipe; the extension rod is provided with an external thread;
the nut is sleeved on the extension rod, and the upper surface of the nut is abutted to the bottom of the installed filter element.
4. The reverse blowing mechanism for the filter screen of the secondary filter tower of the double tower industrial dust collector of claim 3, further comprising
The sealing limiting ring is sleeved on the extension rod in a sleeved mode, and the inner ring surface of the sealing limiting ring is in seamless fit with the outer cylindrical surface of the extension rod; the sealing limiting ring is sleeved at the bottom of the filter element, and the outer ring surface is in seamless fixed connection with the opening at the bottom of the filter element.
5. The reverse blowing mechanism for the filter screen of the secondary filter tower of the double tower industrial dust collector of claim 1, wherein the rotary wing comprises,
the first bearing and the second bearing are sleeved on the vent pipe; the first bearing and the second bearing are arranged at intervals; the vent pipe is provided with a vent hole, and the vent hole is communicated with the interior of the vent pipe; the vent hole is positioned between the first bearing and the second bearing;
the hollow air guide piece is sleeved outside the first bearing and the second bearing and is in seamless connection with the outer rings of the first bearing and the second bearing; the air guide piece wraps a space between the first bearing and the second bearing; the inner part of the air guide piece is communicated with the vent pipe through a vent hole;
the third bearing is sleeved on the vent pipe and positioned below the first bearing and the second bearing;
the positioning piece is fixedly connected with the outer ring surface of the third bearing;
one end of the back flushing pipe is fixedly connected with the air guide piece, the interior of the back flushing pipe is communicated with the air guide piece, and the other end of the back flushing pipe is fixedly connected with the positioning piece; the back flushing pipe is provided with a plurality of air outlet holes distributed along the length direction of the back flushing pipe; the air outlet directions of the air outlet holes distributed along the length direction of the air outlet holes are perpendicular to the axis of the air pipe and do not intersect with the axis of the air pipe.
6. The reverse blowing mechanism for the filter screens of the secondary filter tower of the double tower industrial dust collector of claim 5, wherein the number of the reverse blowing pipes is two, and the two reverse blowing pipes are uniformly arranged in a circumferential array around the axis of the vent pipe.
7. The reverse blowing mechanism for the filter screen of the secondary filter tower of the double tower industrial dust collector of claim 6, wherein the two reverse blowing pipes are parallel to the vent pipe.
8. The filter screen blowback mechanism of a secondary filter tower for a double tower industrial dust collector of claim 5, wherein the first bearing and the second bearing are both end face sealed bearings.
9. The filter screen blowback mechanism of a secondary filter tower for a double tower industrial dust collector of claim 1, further comprising,
the upper top spring is sleeved on the vent pipe, and the lower end of the upper top spring is abutted against the filter element fixing piece;
the sealing plate is sleeved on the vent pipe, and the lower end of the sealing plate is propped against the upper end of the upper top spring;
the upper end of the air cylinder is sleeved on the vent pipe in a seamless mode and is positioned right above the closing plate; the lower part of the air guide cylinder is opened and is opposite to the sealing plate, and the vent pipe is provided with an exhaust hole and is opposite to the inner wall of the air guide cylinder.
10. The reverse blowing mechanism for the filter screen of the secondary filter tower of the double tower industrial dust collector of claim 9, wherein the lower surface of the closing plate is provided with a groove, and the upper portion of the upper top spring is positioned in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022412164.9U CN213821225U (en) | 2020-10-27 | 2020-10-27 | Filter screen blowback mechanism of secondary filter tower for double-tower industrial dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022412164.9U CN213821225U (en) | 2020-10-27 | 2020-10-27 | Filter screen blowback mechanism of secondary filter tower for double-tower industrial dust collector |
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| CN213821225U true CN213821225U (en) | 2021-07-30 |
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| CN202022412164.9U Active CN213821225U (en) | 2020-10-27 | 2020-10-27 | Filter screen blowback mechanism of secondary filter tower for double-tower industrial dust collector |
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| CN (1) | CN213821225U (en) |
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