CN101337147B - Gas refiller for dust removing equipment - Google Patents
Gas refiller for dust removing equipment Download PDFInfo
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- CN101337147B CN101337147B CN2008101469976A CN200810146997A CN101337147B CN 101337147 B CN101337147 B CN 101337147B CN 2008101469976 A CN2008101469976 A CN 2008101469976A CN 200810146997 A CN200810146997 A CN 200810146997A CN 101337147 B CN101337147 B CN 101337147B
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- gas
- cylindrical shell
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- gas injection
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Abstract
The invention discloses a gas injection device, comprising a cylinder and an annular gas storage chamber formed on the periphery of the top end of the cylinder, and the annular gas storage chamber, which is composed of an annular casing and an annular cover, is provided with a gas supply port and a gas injection port formed by surrounding the cylinder inwards, the invention is characterized in that the gas injection port is composed of an inner side edge of the annular cover and a jointing portion where the top end of the cylinder is jointed with the annular shell, wherein the inner side edge of the annular cover inclines at a predetermined angle towards the interior of the cylinder for extension until the inner diameter of the annular cover is smaller than that of the cylinder. And the inner wall of the cylinder is provided with a plurality of wings which longitudinally incline at a predetermined angle to the cylinder. Once the injected gas flows through the wings, a gas flow, which flows downwards and spirally with respect to the longitudinal direction of the cylinder, is formed within the cylinder by the gas in accordance with formation direction of the wings, thereby increasing gas amount and pressure of the gas flow and more efficiently removing dusts attached to the lateral surface of a filter bag, consequently the dust removal efficiency can be enhanced.
Description
Technical field
The present invention relates to a kind of gas injection apparatus, relate in particular to the gas injection apparatus that a kind of cleaner is used.
Background technology
Gas injection apparatus is by supplying with a kind of device that is applicable to deduster that flows that a spot of Compressed Gas forms the large volume low-pressure gas.The deduster operated by rotary motion is in a large amount of operation places of discharging dust, and then catches airborne dust and discharge cleaned air passes to the outside.
Fig. 1 is the structure and the operation principle schematic diagram of existing cleaner.
As shown in Figure 1, existing deduster is made of with a plurality of filter bag 1-1 that are located at inside housing, the design of lower part of frame one side has the air inlet of suck pollution air, the one example design on housing top is useful on discharges the exhaust outlet that purifies air, the top of filter bag 1-1 is provided with the Venturi tube 1-2 that is used to increase Compressed Gas speed, design has the jet pipe 1-3 that supplies with Compressed Gas above Venturi tube 1-2, and be provided with corresponding gas nozzle with each Venturi tube 1-2 in the bottom of jet pipe 1-3, be provided with the unloading valve that is used to discharge dust and pollutant at the foot of housing.
The process of deduster purifying contaminated gas is: the gas of pollution filters by the filter bag that air inlet enters into enclosure interior, and the clean gas after filtering is discharged to the outside by exhaust outlet.When dusty gas is filtered, the outer surface of filter bag is attached with dust or pollutant, and then the internal drag of deduster is increased, influence the efficiency of dust collection of deduster, in order to prevent that these dust or pollutant from blocking filter bag, so dust or pollutant are dropped by spraying Compressed Gas downwards with the corresponding gas nozzle of each Venturi tube.The Compressed Gas that sprays is accelerated by Venturi tube the time downwards, thereby spray to filter bag inside at a high speed, filter bag is dropped dust or pollutant attached to the filter bag outer surface by vibration, drops and the dust or the pollutant that are deposited in are together discharged from the unloading valve of bottom.
But, above-mentioned deduster is because its Compressed Gas is directly to spray to Venturi tube by jet pipe with the corresponding gas nozzle of each Venturi tube, therefore, Compressed Gas that is sprayed and gas flow are difficult to satisfy the expulsion pressure that will shake and attached to the dust or the pollutant on filter bag surface, thereby can not solve the filter bag blocking problem effectively.
Fig. 2 is the schematic perspective view of existing gas injection apparatus, and Fig. 3 is the profile and the operation principle schematic diagram of existing gas injection apparatus.
Can find out from Fig. 2 and Fig. 3, gas injection apparatus comprises cylindrical shell 1 and the peripheral annular gas deposit chamber 2 that forms on this cylindrical shell 1 top, and by the described annular gas deposit chamber 2 that toroidal shell 3 and annular lid 4 are formed be provided with air supply opening 6 and in the cylindrical shell around the puff prot 5 that forms, wherein, described air supply opening 6 is used for and will lays in reserve of gas chamber 2 by the Compressed Gas of gas transmission jet pipe (1-3 of Fig. 1) transmission, and described puff prot 5 is used for outwards spraying the Compressed Gas of deposit in reserve of gas chamber 2.And design has the gas transmission jet pipe that passes cylindrical shell 1 on cylindrical shell 1.The ring jet mouth 5 of this structure is positioned at the top of cylindrical shell 1 inwall, when gas transmits jet pipe to reserve of gas chamber 2 compressed gas supplying, ring jet mouth 5 promptly outwards sprays Compressed Gas, the Compressed Gas that sprays forms down current according to section's Anda effect along with the inwall of cylindrical shell 1 flows downward, at this moment, the extraneous gas that is positioned at the gas injection apparatus upside also can be inhaled into the inside of cylindrical shell.These gases spray to filter bag after being accelerated according to the effect of Venturi tube, and the dust or the contaminant particle of filter bag outer surface blown off.
Gas injection apparatus can improve the expulsion pressure and the gas flow of gas relatively than first kind of deduster, but there is following shortcoming: one, because almost the inwall with cylindrical shell is vertical for the injection direction of the ring jet mouth of gas injection apparatus, thereby most of Compressed Gas sprays mutually and offsets its partial pressure and energy, and the gas that portion of external gas also is difficult to penetrate mutual injection flow in the cylindrical shell; Its two because it is almost vertically vertical with cylindrical shell to form the extension of lid of ring jet mouth, thereby some extraneous gas is blocked and reflexes to the outside by the extension of this lid when sucking extraneous gas, has therefore reduced the gas flow that sucks; Its three because design has the gas transmission jet pipe that passes cylindrical shell in cylindrical shell, stopped the extraneous gas that flows downward that is inhaled into, thereby also reduced the gas flow that sucks; Its four, this gas injection apparatus is because the gas flow direction ratio is more single, promptly gas only flows downward and the power that flows towards periphery, therefore can not remove dust and contaminant particle attached to the filter bag side surface effectively.Therefore, the gas injection apparatus with said structure does not reach desirable effect.
Summary of the invention
The present invention proposes in order to address the above problem, its purpose is the gas injection apparatus that provides used on a kind of cleaner, the Compressed Gas that this gas injection apparatus receives is ejected into the inwall of its cylindrical shell by the ring jet mouth of reserve of gas chamber, when gas sprays to the wing of cylinder inboard wall in course of injection according to the air-flow of the downward helical flow of wing one-tenth, thereby can improve efficiency of dust collection.
In order to reach described purpose, gas injection apparatus provided by the present invention comprises cylindrical shell and lays in the chamber at the peripheral annular gas that forms of this cylinder top, and by the described annular gas deposit chamber that toroidal shell and annular lid are formed be provided with air supply opening and in the cylindrical shell around the puff prot that forms, it is characterized in that: described puff prot is made of with the convergence part that described toroidal shell is connected with described cylinder top the inside edge of described annular lid, and the inside edge of wherein said annular lid predetermined oblique angle in the cylindrical shell extends into the internal diameter of the internal diameter of described annular lid less than described cylindrical shell; Described cylinder inboard wall is provided with a plurality of wings of arranging with described cylindrical shell fore-and-aft tilt predetermined angular.
And described annular lid and described toroidal shell can be integrally formed or welding or sealing riveting and form.
And the predetermined angular that the inside edge of described annular lid tilts to extend in the cylindrical shell is the extended line of inside edge of described annular lid and the formed angle in axis of described cylindrical shell, and this angle preferable range is 50 °～80 °.The preferable range of the predetermined angular of the described wing and described cylindrical shell fore-and-aft tilt is 15 °～30 °.
Preferably, described cylinder inboard wall is provided with the wing that 3～8 relative cylindrical shells are evenly distributed.
The described wing and cylindrical shell can be integrally formed or be utilized welding or be threaded on the inwall of cylindrical shell.
The two ends of the described wing are arc transition, are higher than cylindrical shell bottom 5mm when being provided with at least.
Have the as above gas injection apparatus of the present invention of structure, when the gas flow wing, in cylindrical shell, form the air-flow that relative cylindrical shell vertically is downward helical flow according to the formation direction gas of the wing.
The present invention has promptly improved the pressure of air-flow, and has increased gas flow because structural change is compared existing gas injection apparatus and had outstanding advantage; The energy that has reduced air-flow to spray mutually and consumed is saved the energy and power; Moreover, the newly-designed wing makes gas be downward helical flow, can more fully remove effectively attached to dust on the filter bag side surface and pollutant, thereby improve efficiency of dust collection.
Description of drawings
Fig. 1 is the structure and the operation principle schematic diagram of existing cleaner;
Fig. 2 is the schematic perspective view of existing gas injection apparatus;
Fig. 3 is the profile and the operation principle schematic diagram of existing gas injection apparatus;
Fig. 4 is a schematic perspective view of the present invention;
Fig. 5 is that A-A of the present invention is to three-dimensional cutaway view.
Symbol description: 1 is cylindrical shell, and 2 are annular gas deposit chamber, and 3 is lid, and 4 is housing, and 5 is the ring jet mouth, and 6 is air supply opening, and 7 is the wing.
The specific embodiment
Below the preferred embodiment of the gas injection apparatus that present invention will be described in detail with reference to the accompanying is provided.
Fig. 4 is a schematic perspective view of the present invention, and Fig. 5 is that A-A of the present invention is to three-dimensional cutaway view.
As shown in Figure 4 and Figure 5, gas refiller for dust removing equipment provided by the present invention mainly comprises circular cylinder body 1 and the peripheral annular gas deposit chamber 2 that is used to lay in Compressed Gas that forms on this cylindrical shell 1 top.Described annular gas deposit chamber 2 is made up of toroidal shell 4 and annular lid 3, and be provided with air supply opening 6 and in the cylindrical shell around the puff prot 5 that forms, wherein, described air supply opening 6 is used for and will lays in reserve of gas chamber 2 by the Compressed Gas of gas transmission jet pipe transmission, and described puff prot 5 is used for spraying the Compressed Gas of deposit in reserve of gas chamber 2 in cavity 1.Described annular lid 3 is integrally formed with described toroidal shell 4, but also can welding or sealing riveting and forming.
Described cylindrical shell 1 can be integrally formed with described toroidal shell 4, and the top of wherein said cylindrical shell 1 and described toroidal shell 4 are engaged togather sleekly, thereby form the convergence part that the top of described cylindrical shell 1 is connected with described toroidal shell 4.Described puff prot 5 is made of the inside edge and the described convergence part of described annular lid 3.And the inside edge of described annular lid 3 predetermined oblique angle in the cylindrical shell extends into the internal diameter of the internal diameter of described annular lid 3 less than described cylindrical shell 1.The predetermined angular that the inside edge of described annular lid 3 tilts to extend in the cylindrical shell is the extended line of inside edge of described annular lid 3 and the formed angle [alpha] in axis of described cylindrical shell, and this angle [alpha] scope is 50 °～80 ° in the present invention.If tilt angle alpha is too little in theory, then might not can be blocked by the inwall of cylindrical shell 1 and be directly injected to the outside of gas injection apparatus from the gas of ring jet mouth 5 ejection, if angle [alpha] is too big, then the gas from 1 ejection of ring jet mouth may collide and the energy of cancelling out each other mutually, therefore, it is 50 °～80 ° by the test preferred angle alpha.
And, on described cylindrical shell 1 inwall, be provided with the wing of arranging with described cylindrical shell 1 fore-and-aft tilt predetermined angular 7, this wing 7 can be rectangular strip bulge shape, and the described wing 7 can be integrally formed with cylindrical shell 1, also can or be arranged on thread connecting mode on the inwall of cylindrical shell 1 wing 7 usefulness welding manners.The described wing 7 on average arranges to have the wing 7 that four relative cavitys 1 are evenly distributed in Fig. 4 and Fig. 5 at the inwall of cylindrical shell 1, preferably, can arrange the wing that 3～8 relative cavitys 1 are evenly distributed.In design, the wing 7 is the wing 7 and the formed inclination angle beta in cylindrical shell 1 axis with described cylindrical shell 1 fore-and-aft tilt predetermined angular.Amplitude that flow spiral is flowed is bigger if described inclination angle beta is too big, air-flow can produce very large centrifugal force, thereby most of gas can outwards spill from the gap of gas injection apparatus and Venturi tube, and because centrifugal force also can weaken the downward pressure of air-flow greatly, thereby also be unfavorable for dedusting.Be preferably 15 °～30 ° by testing described inclination angle beta.The two ends of the wing 7 are designed to arc transition, and distance more than the 5mm will be arranged at least at the bottom of the wing 7 and cylindrical shell 1 when the wing 7 is set, to be used to prevent that centrifugal force is excessive and make the gas flow outside.Thus, when gas sprays to the wing 7, in cylindrical shell 1, form the air-flow that relative cylindrical shell 1 vertically is downward helical flow according to the formation direction gas of the wing 7.
The excellence effect of gas injection apparatus provided by the present invention is described in conjunction with Fig. 4 and Fig. 5.
Compressed Gas enters into annular gas deposit chamber 2 by air supply opening 6, and pass through ring jet mouth 5 high velocity jet to the inwall of cylindrical shell 1, and the negative pressure that extraneous gas produces according to the downward flow at high speed of described Compressed Gas is inhaled in the cylindrical shell 1, the gas that is ejected into cylindrical shell 1 inwall forms the air-flow that relative cylindrical shell 1 vertically is downward helical flow according to the set wing 7 on the wall within it, and the air-flow of described helical flow flows in the filter bag through the Venturi tube in its underpart.Compare existing gas injection apparatus, gas injection apparatus of the present invention is because the air-flow of described downward helical flow makes the cylindrical shell 1 inner and bigger negative pressure of the inner formation of Venturi tube, suck more easily extraneous gas and and Venturi tube between gas, thereby increased gas flow and pressure by filter bag.Because the air-flow of this downward helical flow makes the side judder of filter bag, thereby shakes more effectively attached to the dust or the pollutant of filter bag outer surface.The described angle [alpha] that the formed ring jet mouth 5 of present embodiment adopts is 50 °, and has a wing 7 that four relative cavitys 1 are evenly distributed, adopting inclination angle beta is 30 °, its two ends are designed to arc transition, distance more than the 5mm will be arranged at least at the bottom of the wing 7 and cylindrical shell 1 when the wing 7 is set, and select the air supply opening 6 of two Compressed Gas for use, but can increase or reduce its quantity as required.
Embodiment 2
Present embodiment is made of the structure of implementing in 1, but wherein, the angle [alpha] that ring jet mouth 5 adopts is 80 °, and having six wings, 7 also relative cylindrical shells 1 is evenly distributed, adopting inclination angle beta is 15 °, its two ends are designed to arc transition, select a Compressed Gas air inlet 6 for use, but can increase or reduce its quantity as required.
In sum, gas injection apparatus provided by the present invention has reduced the energy that Compressed Gas loses spray mutually by the injection direction that changes the ring jet mouth, and increased the gas flow that flows into, and, design has the wing that makes the downward helical flow of gas on drum surface, thereby improved the efficiency of dust collection of deduster, saved the energy.
In sum content only be in order to implement the present invention for an embodiment.The present invention is not limited to described embodiment.As the content that claims are put down in writing, under the situation that does not break away from main thought of the present invention, those skilled in the art can carry out various changes to it in the scope that can implement.
Claims (6)
1. gas injection apparatus, comprise cylindrical shell and lay in the chamber at the peripheral annular gas that forms of this cylinder top, and by the described annular gas deposit chamber that toroidal shell and annular lid are formed be provided with air supply opening and in the cylindrical shell around the puff prot that forms, it is characterized in that:
Described puff prot is made of with the convergence part that described toroidal shell is connected with described cylinder top the inside edge of described annular lid, and the inside edge of wherein said annular lid predetermined oblique angle in the cylindrical shell extends into the internal diameter of the internal diameter of described annular lid less than described cylindrical shell;
Described cylinder inboard wall is provided with a plurality of wings of arranging with described cylindrical shell fore-and-aft tilt predetermined angular,
The two ends of the described wing are arc transition, are higher than cylindrical shell bottom 5mm when being provided with at least.
2. gas injection apparatus according to claim 1 is characterized in that integrally formed or welding of described annular lid and described toroidal shell or sealing riveting and forms.
3. gas injection apparatus according to claim 1, the predetermined angular that the inside edge that it is characterized in that described annular lid tilts to extend in the cylindrical shell is the extended line of inside edge of described annular lid and the formed angle in axis of described cylindrical shell, and this angular range is 50 °～80 °.
4. gas injection apparatus according to claim 1, the predetermined angular range that it is characterized in that the described wing and described cylindrical shell fore-and-aft tilt are 15 °～30 °
5. gas injection apparatus according to claim 1 is characterized in that described cylinder inboard wall is provided with the wing that 3～8 relative cylindrical shells are evenly distributed.
6. gas injection apparatus according to claim 1 is characterized in that the described wing and described cylindrical shell are integrally formed or utilizes welding or be threaded on the inwall of cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101469976A CN101337147B (en) | 2008-08-29 | 2008-08-29 | Gas refiller for dust removing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101469976A CN101337147B (en) | 2008-08-29 | 2008-08-29 | Gas refiller for dust removing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101337147A CN101337147A (en) | 2009-01-07 |
| CN101337147B true CN101337147B (en) | 2011-06-01 |
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ID=40211409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101469976A Expired - Fee Related CN101337147B (en) | 2008-08-29 | 2008-08-29 | Gas refiller for dust removing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101337147B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102576362B1 (en) * | 2021-06-21 | 2023-09-11 | 필터플러스(주) | Compressed air supplying device for bag filter and dust collector device using the same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760388B (en) * | 2020-07-09 | 2022-04-15 | 冀东水泥重庆合川有限责任公司 | Bag dust collector oriented to environmental protection monitoring and energy saving optimization |
| CN117139792B (en) * | 2023-10-27 | 2024-01-23 | 昆明展业电力线路器材制造有限公司 | Electric power iron tower welding device with adjustable welding gun height |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1455281A (en) * | 1973-06-23 | 1976-11-10 | Intensiv Filter Gmbh | Apparatus for the separation of dust from gases |
-
2008
- 2008-08-29 CN CN2008101469976A patent/CN101337147B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1455281A (en) * | 1973-06-23 | 1976-11-10 | Intensiv Filter Gmbh | Apparatus for the separation of dust from gases |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102576362B1 (en) * | 2021-06-21 | 2023-09-11 | 필터플러스(주) | Compressed air supplying device for bag filter and dust collector device using the same |
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| Publication number | Publication date |
|---|---|
| CN101337147A (en) | 2009-01-07 |
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Granted publication date: 20110601 Termination date: 20170829 |
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