CN210934173U - Cylinder type back suction ash removal switching device - Google Patents
Cylinder type back suction ash removal switching device Download PDFInfo
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- CN210934173U CN210934173U CN201921819014.0U CN201921819014U CN210934173U CN 210934173 U CN210934173 U CN 210934173U CN 201921819014 U CN201921819014 U CN 201921819014U CN 210934173 U CN210934173 U CN 210934173U
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- pipe
- switching mechanism
- connecting pipe
- suction ash
- deashing
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Abstract
The utility model provides a deashing auto-change over device is inhaled to cylinder formula, it inhales defeated ash pipe to include the negative pressure is turned over, air intake manifold, first connecting pipe, the second connecting pipe, first turning is inhaled deashing switching mechanism, the deashing switching mechanism is inhaled to the second, the first turning of this scheme setting is inhaled deashing switching mechanism, the deashing switching mechanism is inhaled in turn to the second and is opened or closed to make the dust remover filter bag be in inflation or contraction state, positive pressure air current and negative pressure air current blowback in turn in the dust remover filter bag, in order to shake off the dust in the dust remover filter bag. First anti-deashing switching mechanism, the anti deashing switching mechanism that inhales of second adopt the cylinder drive in this scheme, and its life is longer, still has advantages such as oil-tight, job stabilization, and sack cleaner life is higher, still sets up sealing mechanism at the flashboard edge, and its sealing performance is better, prevents that negative pressure from anti-inhaling defeated ash pipe, air intake main pipe and the condition of leaking out from taking place, effectively reduces equipment operating power and energy consumption.
Description
Technical Field
The utility model relates to a dust collecting equipment technical field especially relates to a deashing auto-change over device is inhaled to cylinder type reversal.
Background
Although the switching valve is arranged between the air inlet main pipe and the negative pressure reverse-absorption ash conveying pipe of the conventional bag-type dust collector, the switching valve is driven by a hydraulic cylinder, and is easy to damage after being used for a long time, so that the bag-type dust collector abnormally operates, the service efficiency of the bag-type dust collector is reduced, and meanwhile, the air leakage rate of the switching valve is higher, and the operation power and the energy consumption of equipment are increased.
Disclosure of Invention
In view of the above, it is necessary to provide a cylinder type back suction ash removal switching device.
A cylinder type back suction ash removal switching device comprises a negative pressure back suction ash conveying pipe, an air inlet main pipe, a first connecting pipe, a second connecting pipe, a first back suction ash removal switching mechanism and a second back suction ash removal switching mechanism, wherein one end of the negative pressure back suction ash conveying pipe is connected with a cyclone feed inlet of a encrypted bin, one end of the air inlet main pipe is connected with a main induced draft fan, the first connecting pipe is arranged between the negative pressure back suction ash conveying pipe and the air inlet main pipe, one end of the second connecting pipe is communicated with the outer wall of the first connecting pipe, the other end of the second connecting pipe is communicated with a chamber ash collecting hopper, the first back suction ash removal switching mechanism is arranged inside one side, close to the air inlet main pipe, of the first connecting pipe, the second back suction ash removal switching mechanism is arranged inside one side, close to the negative pressure back suction ash conveying pipe, of the first back suction ash removal switching mechanism and the second back, first back-suction deashing switching mechanism includes fixed bolster, support, bolt, cylinder, connecting rod, first rotation axis, flashboard, the fixed bolster sets up in first connecting pipe outer wall one side, the support sets up in fixed bolster one end, the cylinder stiff end passes through the bolt with the support and articulates, connecting rod one end and cylinder output end swing joint, the connecting rod other end sets up on first rotation axis, first rotation axis one end sets up in the connecting rod, the flashboard sets up on the first rotation axis in first connecting pipe.
Preferably, the edge of the gate plate is further provided with a sealing mechanism, the sealing mechanism comprises a ledge, a groove edge and a bolt and nut assembly, the groove edge is arranged on one side, away from the gate plate, of the ledge, an annular groove is formed in one side, close to the gate plate, of the ledge, a plurality of through holes are further formed in the ledge, and the bolt and nut assembly is arranged in the through holes preset in the ledge and the edge of the gate plate.
Preferably, the connecting rod is rotated by an angle of 0 to 90 °.
The scheme is provided with a first back suction and ash removal switching mechanism and a second back suction and ash removal switching mechanism, wherein the first back suction and ash removal switching mechanism and the second back suction and ash removal switching mechanism are oppositely arranged in a first connecting pipe, the first back suction and ash removal switching mechanism is opened, the second back suction and ash removal switching mechanism is closed, so that smoke and dust gas is conveyed to a chamber dust collecting hopper in a bag-type dust collector, and a filter bag of the dust collector is in an expansion state; the first reverse-suction ash-cleaning switching mechanism is closed, the second reverse-suction ash-cleaning switching mechanism is opened to pump air in a filter bag of the dust collector and a chamber dust collecting hopper, small-particle dust falls into the chamber dust collecting hopper and then is pumped to a negative-pressure reverse-suction ash conveying pipe along with negative-pressure reverse-suction airflow, and then enters a cyclone feed inlet of the encryption bin to separate the dust. First anti-deashing switching mechanism of inhaling in this scheme, the deashing switching mechanism is adopted cylinder drive to the second, and for current pneumatic cylinder drive, its life is longer, still has advantages such as oil-tight, job stabilization, and sack cleaner life is higher, still sets up sealing mechanism at the flashboard edge simultaneously, and its sealing performance is better, prevents that negative pressure is anti-to inhale the ash conveying pipe, the air intake house steward the condition of leaking out and takes place, effectively reduces equipment operating power and energy consumption.
Drawings
Fig. 1 is a schematic structural diagram of a cylinder type back suction ash removal switching device.
Fig. 2 is a schematic partial cross-sectional view of a-a in fig. 1.
Fig. 3 is a schematic structural view of the shutter.
Fig. 4 is a partial isometric view of fig. 1.
Fig. 5 is a partially enlarged schematic view of fig. 4.
In the figure: the device comprises a negative pressure reverse suction ash conveying pipe 10, an air inlet main pipe 20, a first connecting pipe 30, a second connecting pipe 40, a first reverse suction ash removal switching mechanism 50, a fixed support 51, a support 52, a bolt 53, an air cylinder 54, a connecting rod 55, a first rotating shaft 56, a gate plate 57, a sealing mechanism 571, a ledge 5711, a groove edge 5712, a bolt and nut assembly 5713 and a second reverse suction ash removal switching mechanism 60; the device comprises an encryption bin 100, an ash conveying reverse suction fan 200, a main suction fan 300 and a chamber ash collecting hopper 400.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 5, the utility model provides a cylinder type back-suction deashing auto-change over device, including negative pressure back-suction ash conveying pipe 10, air intake manifold 20, first connecting pipe 30, second connecting pipe 40, first back-suction deashing switching mechanism 50, second back-suction deashing switching mechanism 60, negative pressure back-suction ash conveying pipe 10 one end is connected with the whirlwind feed inlet of encrypted storehouse 100, and the dust that the filter bag trembled falls into and falls into branch room dust collecting hopper 400 back-suction ash conveying pipe 10 through the negative pressure back-suction ash conveying pipe 10 along with the back-suction air current, under the effect of ash conveying back-suction draught fan 200, carries the dust air current in the negative pressure back-suction ash conveying pipe 10 to encrypted storehouse 100 whirlwind feed inlet, encrypted storehouse 100 removes the dust in the dust air current, encrypted storehouse 100 still with being connected with ash conveying back-suction draught fan 200, air intake manifold 20 one end is connected with main draught fan 300 to the smoke air gas that will be taken out main draught fan 300 through first connecting, The second connecting pipes 40 are blown into the bag-type dust collector to remove dust from the smoke and dust, the first connecting pipes 30 are arranged between the negative pressure reverse suction ash conveying pipe 10 and the air inlet main pipe 20, the first connecting pipes 30 are provided with a plurality of groups to connect the negative pressure reverse suction ash conveying pipe 10 with the air inlet main pipe 20, the cross section of the first connecting pipes 30 is circular, one end of each second connecting pipe 40 is communicated with the outer wall of the first connecting pipe 30, the number of the second connecting pipes 40 is the same as that of the first connecting pipes 30, the cross section of each second connecting pipe 40 is circular, the other end of each second connecting pipe 40 is communicated with the chambered ash collecting hopper 400 to ensure that the insides of the negative pressure reverse suction ash conveying pipe 10, the air inlet main pipe 20, the first connecting pipes 30 and the second connecting pipes 40 are smooth, and the first reverse suction ash removing switching mechanism 50 is arranged inside one side of the first connecting pipes 30 close to the, so as to seal or unblock the interior of the first connection pipe 30, the second reverse suction ash-cleaning switching mechanism 60 is disposed inside the first connection pipe 30 near one side of the negative pressure reverse suction ash-conveying pipe 10, so as to seal or unblock the interior of the first connection pipe 30, the first reverse suction ash-cleaning switching mechanism 50 and the second reverse suction ash-cleaning switching mechanism 60 have the same structure, the first reverse suction ash-cleaning switching mechanism 50 includes a fixed bracket 51, a support 52, a bolt 53, a cylinder 54, a connecting rod 55, a first rotating shaft 56, and a shutter 57, the fixed bracket 51 is disposed on one side of the outer wall of the first connection pipe 30, the fixed bracket 51 is an L-shaped channel steel bracket, the support 52 is disposed at one end of the fixed bracket 51, one end of the support 52 is a semicircular rigid plate body, a through hole for disposing the fixed end of the cylinder 54 is disposed at the center of the semicircular rigid, the cylinder 54 stiff end is articulated through bolt 53 with support 52, connecting rod 55 one end and cylinder 54 output swing joint, connecting rod 55 one end is the arc rigidity pole, the connecting rod 55 other end sets up on first rotation axis 56, the connecting rod 55 other end is circular rigid plate body, first rotation axis 56 one end sets up in connecting rod 55, the first rotation axis 56 other end sets up in first connecting pipe 30, flashboard 57 sets up on first rotation axis 56 in first connecting pipe 30.
Specifically, the air cylinder 54 is ejected out to drive the connecting rod 55 to move in a direction away from the air cylinder 54, and drive the first rotating shaft 56 arranged on the connecting rod 55 to rotate synchronously, so that the gate plate 57 rotates inside the first connecting pipe 30, the gate plate 57 is vertically arranged inside the first connecting pipe 30, and the first connecting pipe 30 is in an open state; the cylinder 54 contracts to drive the connecting rod 55 to move in a direction close to the cylinder 54, and drive the first rotating shaft 56 arranged on the connecting rod 55 to rotate synchronously, so that the gate plate 57 rotates inside the first connecting pipe 30, the gate plate 57 is horizontally arranged inside the first connecting pipe 30, and the first connecting pipe 30 is in a sealed state.
The scheme is provided with a first reverse-suction ash-cleaning switching mechanism 50 and a second reverse-suction ash-cleaning switching mechanism 60, wherein the first reverse-suction ash-cleaning switching mechanism 50 and the second reverse-suction ash-cleaning switching mechanism 60 are oppositely arranged in a first connecting pipe 30, a second connecting pipe 40 is arranged between the first reverse-suction ash-cleaning switching mechanism 50 and the second reverse-suction ash-cleaning switching mechanism 60, the first reverse-suction ash-cleaning switching mechanism 50 is opened, the second reverse-suction ash-cleaning switching mechanism 60 is closed, so that an air inlet main pipe 20 is communicated with the first connecting pipe 30, the second connecting pipe 40 and a chamber dust collecting hopper 400, a main induced draft fan 300 works to convey smoke dust gas to the chamber dust collecting hopper 400 of the bag-type dust collector, large-particle dust is preliminarily blocked in the chamber dust collecting hopper 400, small-particle smoke gas is dispersed in dust collector filter bags of each chamber along with positive pressure air flow and is blocked by the dust collector filter bags, the purified air is discharged through the wall of the filter bag, small particle dust is accumulated in the filter bag of the dust collector, and the filter bag of the dust collector is in an expansion state; the first reverse-suction ash-removal switching mechanism 50 is closed, the second reverse-suction ash-removal switching mechanism 60 is opened, so that the negative-pressure reverse-suction ash conveying pipe 10 is communicated with the first connecting pipe 30, the second connecting pipe 40 and the chamber dust collecting hopper 400, the ash conveying reverse-suction draught fan 200 works to pump air in the filter bag of the dust collector and the chamber dust collecting hopper 400 away, the filter bag of the dust collector contracts to shake off small-particle dust, the small-particle dust falls into the chamber dust collecting hopper 400 and then is pumped away to the negative-pressure reverse-suction ash conveying pipe 10 along with negative-pressure reverse-suction airflow, and then the small-particle dust enters the cyclone feeding port of the encryption bin 100 to be separated. First back suction deashing switching mechanism 50 in this scheme, second back suction deashing switching mechanism 60 adopt cylinder 54 drive, for current pneumatic cylinder drive, its life is longer, still has advantages such as oil-tight, job stabilization, sack cleaner life is higher, still sets up sealing mechanism 571 at flashboard 57 edge simultaneously, and its sealing performance is better, prevents that the negative pressure from sucking ash conveying pipe 10, air intake main 20 and appearing the condition of leaking out, effectively reduces equipment operating power and energy consumption.
Further, the edge of the gate plate 57 is further provided with a sealing mechanism 571, the sealing mechanism 571 includes a ledge 5711, a ledge 5712, and a bolt and nut assembly 5713, one side of the ledge 5711, which is away from the gate plate 57, is fixedly provided with the ledge 5712, the ledge 5711 is a ring-shaped sealing ring with an annular groove formed in one side, the inner diameter of the annular groove is the same as the diameter of the gate plate 57, the ledge 5711 is further provided with a plurality of through holes, the ledge 5712 is a ring-shaped sealing ring, the outer diameter of the ring-shaped sealing ring is the same as the diameter of the first connecting pipe 30, and the bolt and nut assembly 5713 is arranged in the through holes preset in the ledge 5711 and the edge of.
Specifically, the ledge 5711 is sleeved on the gate plate 57, an annular groove formed in one side of the ledge 5711 is used for just blocking the edge of the gate plate 57, and meanwhile, a bolt and nut assembly 5713 is arranged in a through hole preset in the ledge 5711 and the edge of the gate plate 57, so that the ledge 5711 is fixed on the gate plate 57, and the gate plate 57 is ensured to rotate stably and not to fall off when rotating along with the first rotating shaft 56.
Specifically, the ledge 5711 and the ledge 5712 are made of high temperature resistant rubber.
Further, the connecting rod 55 is rotated by an angle α of 0-90 °.
Specifically, when the rotation angle α of the connecting rod 55 is 0 °, the gate plate 57 is in a horizontal sealing state, and when the rotation angle α of the connecting rod 55 is 90 °, the gate plate 57 is in a vertical opening state, the rotation angle α of the connecting rod 55 is set in a small angle range, so that the expansion range of the cylinder 54 is reduced, normal use of the cylinder 54 is guaranteed, and the use cost of the cylinder 54 and accessories can be reduced.
The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (3)
1. The utility model provides a deashing auto-change over device is inhaled to cylinder formula reversal which characterized in that: the negative-pressure reverse-suction ash conveying pipe is characterized by comprising a negative-pressure reverse-suction ash conveying pipe, an air inlet main pipe, a first connecting pipe, a second connecting pipe, a first reverse-suction ash cleaning switching mechanism and a second reverse-suction ash cleaning switching mechanism, wherein one end of the negative-pressure reverse-suction ash conveying pipe is connected with a cyclone feed inlet of a cryptographic bin, one end of the air inlet main pipe is connected with a main induced fan, the first connecting pipe is arranged between the negative-pressure reverse-suction ash conveying pipe and the air inlet main pipe, one end of the second connecting pipe is communicated with the outer wall of the first connecting pipe, the other end of the second connecting pipe is communicated with a chamber ash collecting hopper, the first reverse-suction ash cleaning switching mechanism is arranged inside one side, close to the air inlet main pipe, of the first connecting pipe, the second reverse-suction ash cleaning switching mechanism is arranged inside one side, close to the negative-pressure reverse-suction ash conveying pipe, Support, bolt, cylinder, connecting rod, first rotation axis, flashboard, the fixed bolster sets up in first connecting pipe outer wall one side, the support sets up in fixed bolster one end, the cylinder stiff end passes through the bolt with the support and articulates, connecting rod one end and cylinder output end swing joint, the connecting rod other end sets up on first rotation axis, first rotation axis one end sets up in the connecting rod, the flashboard sets up on the first rotation axis in first connecting pipe.
2. The cylinder type back suction ash removal switching device according to claim 1, characterized in that: the gate plate edge is further provided with a sealing mechanism, the sealing mechanism comprises a ledge, a groove edge and a bolt and nut assembly, the groove edge is arranged on one side, away from the gate plate, of the ledge, an annular groove is formed in one side, close to the gate plate, of the ledge, a plurality of through holes are further formed in the ledge, and the bolt and nut assembly is arranged in the through holes preset in the ledge and the gate plate edge.
3. The cylinder type back suction ash removal switching device according to claim 1, characterized in that: the angle of rotation of the connecting rod is 0-90 deg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921819014.0U CN210934173U (en) | 2019-10-28 | 2019-10-28 | Cylinder type back suction ash removal switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921819014.0U CN210934173U (en) | 2019-10-28 | 2019-10-28 | Cylinder type back suction ash removal switching device |
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| Publication Number | Publication Date |
|---|---|
| CN210934173U true CN210934173U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921819014.0U Active CN210934173U (en) | 2019-10-28 | 2019-10-28 | Cylinder type back suction ash removal switching device |
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| CN (1) | CN210934173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221263A (en) * | 2020-11-13 | 2021-01-15 | 泰州民生环境工程有限公司 | Bag-type dust collector with ultralow emission |
-
2019
- 2019-10-28 CN CN201921819014.0U patent/CN210934173U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221263A (en) * | 2020-11-13 | 2021-01-15 | 泰州民生环境工程有限公司 | Bag-type dust collector with ultralow emission |
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Address after: 753000 north of Shanshui Avenue and west of railway station in Dawukou District, Shizuishan City, Ningxia Hui Autonomous Region Patentee after: Ningxia Lanhu New Material Technology Co.,Ltd. Address before: 753000 north of Shanshui Avenue and west of railway station in Dawukou District, Shizuishan City, Ningxia Hui Autonomous Region Patentee before: NINGXIA HELANSHAN METALLURGY Co.,Ltd. |