CN201913072U - Linear axial flow type centrifugal cyclone dust remover - Google Patents
Linear axial flow type centrifugal cyclone dust remover Download PDFInfo
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- CN201913072U CN201913072U CN2011200069687U CN201120006968U CN201913072U CN 201913072 U CN201913072 U CN 201913072U CN 2011200069687 U CN2011200069687 U CN 2011200069687U CN 201120006968 U CN201120006968 U CN 201120006968U CN 201913072 U CN201913072 U CN 201913072U
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Abstract
A linear axial flow type centrifugal cyclone dust remover relates to the technical field of dust removers, and mainly resolves the technical problems of reducing the size of equipment and improving dust removing efficiency. The dust remover comprises a casing, an air inlet pipe, an air outlet pipe and a dust collecting bag. A dust outlet is arranged at the lower end of the left portion of the casing, the air outlet pipe, the air inlet pipe and the casing are coaxial, the left portion of the air outlet pipe extends into a cavity of the casing, an pipe opening of the left end of the air outlet pipe extends to the left side of the dust outlet, an annular gap between the outer wall of the air outlet pipe and the inner wall of the casing is closed by a dust cover plate, and a pipe opening of the right end of the air inlet pipe is connected with an opening of the left end of the casing through an expanding pipe. A flow guide shaft is plugged inside the cavity of the casing, the left portion of the flow guide shaft is conical, the right portion of the flow guide shaft is provided with a plurality of fixed helical blades, and the periphery of each helical blade is fixedly connected with the inner wall of the casing. The dust collecting bag is arranged below the right end of the casing, and the bag opening of the dust collecting bag is connected with the dust outlet of the casing. The dust remover is small in size, little in static pressure loss and high in dust removing efficiency.
Description
Technical field
The utility model relates to the dust removal machine technology, particularly relates to a kind of technology of linear axis flow pattern centrifugal cyclone dust removal machine.
Background technology
At present, often exist dust and dust, maybe can continue to produce dust and dust in a lot of production operation occasions.These occasions all use dust removal machine and blower fan to carry out dedusting usually, the exhaust outlet of the direct-connected blower fan of blast pipe of dust removal machine, and blower fan sucks dust laden air earlier during dedusting, the dust laden air that sucks is entered the blast pipe of dust removal machine from its exhaust outlet again.
As shown in Figure 5, the casing 51 of existing dust removal machine all is upright, the top of casing 51 is cylindric, the bottom is downward coniform of awl point, the center of casing 51 is inserted with a vertical exhaust duct 53, the dust laden air stream that blower fan 54 is discharged is tangentially gone into the chassis cavity from the casing upper guide by a blast pipe 52, dust laden air flows to into the chassis cavity back wall around exhaust duct 53 rotational flows, in the process of rotational flow, produce centrifugal force, make air and dust separation, when the air after the separation flow to the casing bottom, under the guiding of the coniform bottom of casing, change flow direction and enter exhaust duct and be discharged from, dust after the separation enters the coniform bottom of casing under the effect of centrifugal force and self gravitation, be collected after finally discharging from the casing lower end.Existing dust removal machine has following defective: 1) in order to allow dust laden air stream produce screw in casing, the cylindric upper part diameter of casing need be bigger 2.5 times or higher than blast pipe diameter, causes the casing volume bigger than normal; 2) because the air stream after separating is to discharge after changing flow direction under the coniform bottom guiding of casing, this can cause 50～100mmH
2The static pressure loss of O, thus the attraction of blower fan influenced to dust laden air, can cause efficiency of dust collection to reduce.
The utility model content
At the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provides the linear axis flow pattern centrifugal cyclone dust removal machine that a kind of volume is little, static pressure loses less, efficiency of dust collection is high.
In order to solve the problems of the technologies described above, a kind of linear axis flow pattern centrifugal cyclone dust removal machine provided by the utility model, comprise casing, blast pipe, exhaust duct and dust collection bag, it is characterized in that: described casing is about the one circular straight buckets to horizontal and both ends open, its left part lower end offers a dust mouth, described exhaust duct and blast pipe are the straight tube of both ends open, and exhaust duct and blast pipe are all coaxial with casing, and be communicated with chassis cavity, the external diameter of exhaust duct and blast pipe is all less than the internal diameter of casing;
The left part of described exhaust duct stretches in the chassis cavity, its left end mouth of pipe extends the left side of dust mouth, its right-hand member mouth of pipe stretches out from the casing right-end openings, and the annular gap between exhaust duct outer wall and the casing inner wall is sealed by an annular dust flap, and this dust flap is positioned at the right side of dust mouth;
The right-hand member mouth of pipe of described blast pipe is through a truncated cone convergent divergent channel and a casing left end opening sealed engagement left small and right large, and this convergent divergent channel is coaxial with casing;
Be inserted with a water conservancy diversion axle coaxial in the described chassis cavity with it, the left part of described water conservancy diversion axle is the taper shape of awl point towards a left side, and the awl point of its conical left part stretches in the convergent divergent channel, its right part is cylindrical, and the cylindrical axes symmetry of its cylindrical right part is installed with a plurality of from left to right around the helical blade of its axis spiral, and the outer rim of each helical blade all engages with casing inner wall and be fixing;
Described dust collection bag is located at the casing below, and its sack is communicated with the dust mouth of casing through a dust efferent duct.
Further, the diameter of described casing be the blast pipe diameter 1.2-2.0 doubly.
Further, the left end of every helical blade is the spiral starting point, and right-hand member is the spiral terminal point, and with respect to the radial section of water conservancy diversion axle, the spiral initial angle of every helical blade is 90 ° ± 45 °.
Further, the left end of every helical blade is the spiral starting point, and right-hand member is the spiral terminal point, and with respect to the radial section of water conservancy diversion axle, the helix termination angle of every helical blade is 10 °～45 °.
Further, the diameter of institute's exhaust duct is identical with the diameter of blast pipe.
Further, the left end mouth of pipe of described exhaust duct and the axial spacing between the dust mouth are 5%～10% of dust mouth diameters.
The linear axis flow pattern centrifugal cyclone dust removal machine that the utility model provides, because exhaust duct and blast pipe are all coaxial with casing, gas in the chassis cavity does not need to change flow direction and can discharge from exhaust duct, therefore its static pressure loss is lower, the efficiency of dust collection height, and under the guiding of water conservancy diversion axle and helical blade, the diameter of casing only need reach 1.6 times of blast pipe diameter can make air-flow rotate in casing more than 2.2 circles, thus the volume of casing also can do less.
Description of drawings
Fig. 1 is the main parallax stereogram after the linear axis flow pattern centrifugal cyclone dust removal machine of the utility model embodiment is partly cut open;
Fig. 2 is the water conservancy diversion axle in the linear axis flow pattern centrifugal cyclone dust removal machine of the utility model embodiment and the main parallax stereogram of helical blade;
Fig. 3 is the water conservancy diversion axle in the linear axis flow pattern centrifugal cyclone dust removal machine of the utility model embodiment and the right view of helical blade;
Fig. 4 is the water conservancy diversion axle in the linear axis flow pattern centrifugal cyclone dust removal machine of the utility model embodiment and the front view of helical blade;
Fig. 5 is the structural representation of existing dust removal machine.
The specific embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection domain of the present utility model in.
As Fig. 1-shown in Figure 4, a kind of linear axis flow pattern centrifugal cyclone dust removal machine that the utility model embodiment is provided, comprise casing 1, blast pipe 2, exhaust duct 3 and dust collection bag 9, it is characterized in that: described casing 1 is about the one circular straight buckets to horizontal and both ends open, its left part lower end offers a dust mouth, described exhaust duct 3 and blast pipe 2 are the straight tube of both ends open, and exhaust duct 3 and blast pipe 2 are all coaxial with casing 1, and be communicated with casing 1 inner chamber, the external diameter of exhaust duct 3 and blast pipe 2 is all less than the internal diameter of casing 1;
The left part of described exhaust duct 3 stretches in casing 1 inner chamber, its left end mouth of pipe extends the left side of dust mouth, its right-hand member mouth of pipe stretches out from casing 1 right-end openings, annular gap between exhaust duct 3 outer walls and casing 1 inwall is by an annular dust flap 4 sealings, and this dust flap 4 is positioned at the right side of dust mouth;
The right-hand member mouth of pipe of described blast pipe 2 is through a truncated cone convergent divergent channel 5 and casing 1 left end opening sealed engagement left small and right large, and this convergent divergent channel 5 is coaxial with casing 1;
Be inserted with a water conservancy diversion axle coaxial in described casing 1 inner chamber with it, the left part 6 of described water conservancy diversion axle is the taper shape of awl point towards a left side, and the awl point of its conical left part 6 stretches in the convergent divergent channel 5, its right part 7 is cylindrical, and the cylindrical axes symmetry of its cylindrical right part 7 is installed with a plurality of from left to right around the helical blade 8 of its axis spiral, and the outer rim of each helical blade 8 all engages with casing 1 inwall and be fixing;
Described dust collection bag 9 is located at casing 1 below, and its sack is communicated with the dust mouth of casing 1 through a dust efferent duct.
Among the utility model embodiment, the diameter of described casing 1 is the 1.2-2.0 doubly (diameter of casing less than 1.3 times of blast pipe diameter time, can make blower fan attract the efficient of dust laden air significantly to reduce) of blast pipe 2 diameters.
Among the utility model embodiment, the left end of every helical blade 8 is the spiral starting point, right-hand member is the spiral terminal point, radial section with respect to the water conservancy diversion axle, the spiral initial angle of every helical blade 8 is 90 ° ± 45 °, the helix termination angle of every helical blade 8 is 10 °～45 °, direct of travel was constant when 90 ° spiral initial angle can guarantee to enter helical blade by the dust laden air that blast pipe imports, so that drop to the static pressure loss minimum, 10 °～45 ° helix termination angle can guarantee that the air-flow that flows out along the helical blade blade face can reach more than 2.5 circles (at the dust more than 20 aerodynamic diameters by the number of total coils of rotational flow in chassis cavity, want to reach 90% dust removal efficiency, then the rotational flow number of turns of dust laden air in casing must be more than 2.2 circles.
Among the utility model embodiment, the diameter of institute's exhaust duct 3 is identical with the diameter of blast pipe 2.
Among the utility model embodiment, the left end mouth of pipe of described exhaust duct 3 and the axial spacing between the dust mouth are 5%～10% of dust mouth diameters.
When the utility model embodiment uses, the left end mouth of pipe of blast pipe docked with the exhaust outlet of blower fan 10 can carry out the dedusting operation.
The operation principle of the utility model embodiment is as follows:
The dust laden air of blower fan suction flows into blast pipe at a high speed by its exhaust outlet, go into the conical left part that flows through the water conservancy diversion axle behind the casing from left to right earlier by the blast pipe water conservancy diversion again and be transformed into annular dust-contained airflow, the gap of flowing through again between each helical blade is transformed into the annular dust-contained airflow that spiral is advanced, after the outflow of the gap between helical blade, flow to the right in the spiral mode of advancing again, the number of total coils of rotational flow reaches more than 2.5 circles, in the spiral traveling process, dust in the air-flow separates gradually with air under the rotary centrifugal force effect, cleaned air after the separation is discharged from the exhaust duct at casing center, and the dust after the separation enters the dust collection bag from the dust efferent duct under swirling eddy and gravity effect thereof.
The volume of the utility model embodiment is 1/3 of an existing dust removal machine volume, and its static pressure loss is 6～17mmH
2O is 1/8 of an existing dust removal machine, at the efficiency of dust collection of the above dust of 20 aerodynamic diameters more than 90%.
Claims (6)
1. linear axis flow pattern centrifugal cyclone dust removal machine, comprise casing, blast pipe, exhaust duct and dust collection bag, it is characterized in that: described casing is about the one circular straight buckets to horizontal and both ends open, its left part lower end offers a dust mouth, described exhaust duct and blast pipe are the straight tube of both ends open, and exhaust duct and blast pipe are all coaxial with casing, and are communicated with chassis cavity, and the external diameter of exhaust duct and blast pipe is all less than the internal diameter of casing;
The left part of described exhaust duct stretches in the chassis cavity, its left end mouth of pipe extends the left side of dust mouth, its right-hand member mouth of pipe stretches out from the casing right-end openings, and the annular gap between exhaust duct outer wall and the casing inner wall is sealed by an annular dust flap, and this dust flap is positioned at the right side of dust mouth;
The right-hand member mouth of pipe of described blast pipe is by a truncated cone convergent divergent channel and a casing left end opening sealed engagement left small and right large, and this convergent divergent channel is coaxial with casing;
Be inserted with a water conservancy diversion axle coaxial in the described chassis cavity with it, the left part of described water conservancy diversion axle is the taper shape of awl point towards a left side, and the awl point of its conical left part stretches in the convergent divergent channel, its right part is cylindrical, and the cylindrical axes symmetry of its cylindrical right part is installed with a plurality of from left to right around the helical blade of its axis spiral, and the outer rim of each helical blade all engages with casing inner wall and be fixing;
Described dust collection bag is located at the casing below, and its sack is communicated with the dust mouth of casing by a dust efferent duct.
2. linear axis flow pattern centrifugal cyclone dust removal machine according to claim 1 is characterized in that: the diameter of described casing is 1.2-2.0 a times of blast pipe diameter.
3. linear axis flow pattern centrifugal cyclone dust removal machine according to claim 1, it is characterized in that: the left end of every helical blade is the spiral starting point, right-hand member is the spiral terminal point, and with respect to the radial section of water conservancy diversion axle, the spiral initial angle of every helical blade is 90 ° ± 45 °.
4. linear axis flow pattern centrifugal cyclone dust removal machine according to claim 1, it is characterized in that: the left end of every helical blade is the spiral starting point, right-hand member is the spiral terminal point, and with respect to the radial section of water conservancy diversion axle, the helix termination angle of every helical blade is 10 °～45 °.
5. linear axis flow pattern centrifugal cyclone dust removal machine according to claim 1, it is characterized in that: the diameter of institute's exhaust duct is identical with the diameter of blast pipe.
6. linear axis flow pattern centrifugal cyclone dust removal machine according to claim 1 is characterized in that: the left end mouth of pipe of described exhaust duct and the axial spacing between the dust mouth are 5%～10% of dust mouth diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200069687U CN201913072U (en) | 2011-01-12 | 2011-01-12 | Linear axial flow type centrifugal cyclone dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200069687U CN201913072U (en) | 2011-01-12 | 2011-01-12 | Linear axial flow type centrifugal cyclone dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201913072U true CN201913072U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200069687U Expired - Fee Related CN201913072U (en) | 2011-01-12 | 2011-01-12 | Linear axial flow type centrifugal cyclone dust remover |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741253A (en) * | 2015-04-14 | 2015-07-01 | 北京康孚科技股份有限公司 | Direct current guide vane type cyclone dust collector |
| CN110538519A (en) * | 2019-08-13 | 2019-12-06 | 河南省基本建设科学实验研究院有限公司 | Unpowered dust removal mechanism and fresh air system |
| CN110721534A (en) * | 2019-11-05 | 2020-01-24 | 湖南核三力技术工程有限公司 | Vertical type tobacco shred recycling and air pressure adjusting integrated device and cigarette making and tipping unit process wind power and dust removal system |
| CN111174366A (en) * | 2019-12-30 | 2020-05-19 | 段丽鸣 | Self-operated vortex air supply device of high-rise building photovoltaic new trend integral type |
| CN111495019A (en) * | 2020-04-29 | 2020-08-07 | 汪香平 | Metal surface treatment waste recycling suction filtration tank |
-
2011
- 2011-01-12 CN CN2011200069687U patent/CN201913072U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741253A (en) * | 2015-04-14 | 2015-07-01 | 北京康孚科技股份有限公司 | Direct current guide vane type cyclone dust collector |
| CN110538519A (en) * | 2019-08-13 | 2019-12-06 | 河南省基本建设科学实验研究院有限公司 | Unpowered dust removal mechanism and fresh air system |
| CN110721534A (en) * | 2019-11-05 | 2020-01-24 | 湖南核三力技术工程有限公司 | Vertical type tobacco shred recycling and air pressure adjusting integrated device and cigarette making and tipping unit process wind power and dust removal system |
| CN111174366A (en) * | 2019-12-30 | 2020-05-19 | 段丽鸣 | Self-operated vortex air supply device of high-rise building photovoltaic new trend integral type |
| CN111495019A (en) * | 2020-04-29 | 2020-08-07 | 汪香平 | Metal surface treatment waste recycling suction filtration tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HARVEY INDUSTRIES CO., LTD. Assignor: Bai Xu Contract record no.: 2012990000825 Denomination of utility model: Linear axial flow type centrifugal cyclone dust remover Granted publication date: 20110803 License type: Exclusive License Record date: 20121112 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20200112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |