CN109621610A - A kind of combustion gas filter device - Google Patents
A kind of combustion gas filter device Download PDFInfo
- Publication number
- CN109621610A CN109621610A CN201910012831.3A CN201910012831A CN109621610A CN 109621610 A CN109621610 A CN 109621610A CN 201910012831 A CN201910012831 A CN 201910012831A CN 109621610 A CN109621610 A CN 109621610A
- Authority
- CN
- China
- Prior art keywords
- hole
- filtering
- middleware
- combustion gas
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000567 combustion gas Substances 0.000 title claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 95
- 239000002737 fuel gas Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 11
- 238000007373 indentation Methods 0.000 claims description 11
- 239000008187 granular material Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to a kind of combustion gas filter devices comprising filter screen, pressure ring, filtering upper cover, filtering lower cover and filtering middleware；The filter screen is connect by the pressure ring with the outside of the filtering upper cover, is provided with the filtering middleware between the excessively described filtering upper cover and the filtering lower cover；The pressure ring, filter screen and filtering upper cover are fixed by screws on the filtering middleware, and the filtering middleware is fixed by screws under the filtering on lid.The present invention can effectively filter off the impurity such as the particle having in combustion gas, while certain cooling effect can also be played to high-temperature fuel gas；And it may be reused, is at low cost.
Description
Technical field
The present invention relates to a kind of filter devices, filter dress especially with regard to a kind of combustion gas for pack boronitriding
It sets.
Background technique
Currently, the major function of pack boronitriding first is that the jet-flow of high temperature and high speed is generated, often using poor
Oxygen propellant, the combustion gas generated after burning is largely imperfect combustion intermediate product, including is suspended in unburned in combustion gas
Metal particle etc..
Since the combustion gas that gas generator generates generally all can obtain impurity with graininess.If without reasonable mistake
Filter, granular impurity are possible to be deposited on spray throat position, block, bad shadow can be generated to the performance of gas generator
It rings.
Summary of the invention
In view of the above-mentioned problems, can be generated to gas generator the object of the present invention is to provide a kind of combustion gas filter device
Combustion gas effectively filtered, while to high-temperature fuel gas have certain cooling function.
To achieve the above object, the present invention takes following technical scheme: a kind of combustion gas filter device comprising filter screen,
Pressure ring, filtering upper cover, filtering lower cover and filtering middleware；The outside that the filter screen passes through the pressure ring and the filtering upper cover
Connection, is provided with the filtering middleware between the excessively described filtering upper cover and the filtering lower cover；The pressure ring, filter screen
It is fixed by screws on the filtering middleware with filtering upper cover, the filtering middleware is fixed by screws in the filtering
On lower lid.
Further, described device setting is in pack boronitriding outlet, with pack boronitriding outlet
With setting.
Further, the filtering upper cover is circumferentially provided with several apertures of two circles, is spaced setting between several apertures；Position
There are three grooves for setting in the middle part of the filtering upper cover.
Further, the center position positioned at the filtering middleware is provided with first through hole；In the filtering middleware
On, using the first through hole as the center of circle, the second through-hole, third through-hole, four-way have been provided at circumferentially spaced in the first through hole
Hole, fifth hole and the 6th through-hole；Second through-hole is fuel gas inlet, and the 6th through-hole is gas outlet, adjacent through-holes
Between connection constitute indentation fuel gas path.
Further, the fuel gas path of the indentation are as follows: the lower port of second through-hole is described as fuel gas inlet
The upper port of second through-hole is connected to the upper port of the third through-hole, the lower port of the third through-hole and described the
The lower port of four through-holes is connected to, and the upper port of the fourth hole is connected to the upper port of the fifth hole, described
The lower port of fifth hole is connected to the lower port of the first through hole, the upper port of the first through hole and described the
The upper port of six through-holes connects, and outlet of the lower port of the 6th through-hole as combustion gas sprays filtered combustion gas.
Further, junction forms the groove for accommodating granule foreign in combustion gas between interconnected through-hole.
Further, the filtering middleware is provided with several apertures of two circles, small with circumferential two circle in the filtering on lid
Hole is in be correspondingly arranged；Combustion gas by covering aperture in the filtering is entered in the filtering by the aperture of the filtering middleware
Between part lower end surface, through second through-hole enter the indentation fuel gas path.
Further, the exhaust through hole of outwardly convex is provided under the filtering on lid, the exhaust through hole is as solid gas
The gas outlet of generator；The exhaust through hole is connected to the lower port of the 6th through-hole on the filtering middleware.
Further, the groove for accommodating granule foreign in combustion gas is provided on the lateral surface of the filtering lower cover.
Further, described device uses cylindrical structure.
The invention adopts the above technical scheme, which has the following advantages: the present invention can be filtered off effectively in combustion gas
The granule foreign having, while certain cooling effect can also be played to high-temperature fuel gas；And it may be reused, cost
It is low.
Detailed description of the invention
Fig. 1 is overall structure cross-sectional view of the invention；
Fig. 2 is filtering superstructure schematic diagram of the invention；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the lower end surface structural schematic diagram of filtering middleware of the invention；
Fig. 5 is filtering middleware cross-sectional view of the invention；
Fig. 6 is the upper end structural schematic diagram of filtering middleware of the invention；
Fig. 7 is filtering lower cover structure schematic diagram of the invention；
Fig. 8 is the B-B cross-sectional view of Fig. 7；
Fig. 9 is the present invention in use, the through-hole junction partial schematic diagram being connected to.
Specific embodiment
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term " on ", "lower" "inner", "outside"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is interpreted as limitation of the present invention.The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the present invention provides a kind of combustion gas filter device, device setting is exported in pack boronitriding
It is interior, setting is matched with pack boronitriding outlet, and use cylindrical structure.The present invention includes filter screen 1, pressure ring 2, filtering
Upper cover 3, filtering lower cover 4 and filtering middleware 5.Filter screen 1 is located at filtering upper cover by connecting on the outside of pressure ring 2 and filtering upper cover 3
Filtering middleware 5 is provided between 3 and filtering lower cover 4；Pressure ring 2, filter screen 1 and filtering upper cover 3 are fixed by screws in filtering
On middleware 5, filtering middleware 5 is fixed by screws on filtering lower cover 4.In use, filtering middleware 5 and filter screen 1 are logical
It crosses pressure ring 2, filtering upper cover 3 and filtering lower cover 4 to be fixed, to guarantee that combustion gas is unlikely to reveal in the process of walking.
In a preferred embodiment, as shown in Figure 2 and Figure 3, filtering upper cover 3 is circumferential is provided with several apertures 6 of two circles,
Setting is spaced between several apertures 6, the combustion gas after 1 primary filter of filter screen enters through aperture 6；Positioned at 3 middle part of filtering upper cover
There are three grooves 7 for setting, for accommodating the granule foreign in combustion gas.In use, combustion gas enters filter device by pressure ring 2, it is first
Primary filter is first carried out by filter screen 1, filtering middleware 5 is then entered by the aperture 6 of filtering upper cover 3.
In a preferred embodiment, as shown in Fig. 4~Fig. 6, filtering middleware 5 is provided with several apertures 8 of two circles, with
Circumferential two circles aperture 6 in filtering upper cover 3 is in be correspondingly arranged.It is logical that the center position of filtering middleware 5 is provided with first
Hole 9；It is the center of circle with first through hole 9 on filtering middleware 5, has been provided at circumferentially spaced the second through-hole 10, the in first through hole 9
Three through-holes 11, fourth hole 12, fifth hole 13 and the 6th through-hole 14.Second through-hole 10 is fuel gas inlet, and the 6th through-hole 14 is
Gas outlet, connection constitutes the fuel gas path of indentation between adjacent through-holes, by the combustion gas of aperture 6 in filtering upper cover 3 by mistake
The aperture 8 for filtering middleware 5 enters the lower end surface of filtering middleware 5, and the fuel gas path of indentation is entered through the second through-hole 10；Combustion
When gas enters filtering middleware 5, it is ensured that combustion gas is walked according to the fuel gas path of the indentation.
In above-described embodiment, the fuel gas path of indentation are as follows: the lower port A of the second through-hole 10 is as fuel gas inlet, and
The upper port A ' of two through-holes 10 is connected to (as shown in Figure 6) with the upper port B ' of third through-hole 11, the lower part of third through-hole 11
Port B is connected to (as shown in Figure 4) with the lower port C of fourth hole 12, the upper port C ' and fifth hole of fourth hole 12
13 upper port D ' is connected to (as shown in Figure 6), and the lower port D of fifth hole 13 is connected to the lower port E of first through hole 9
The upper port E ' of (as shown in Figure 4), first through hole 9 connect (as shown in Figure 6) with the upper port F ' of the 6th through-hole 14, by
The lower port F of six through-holes 14 sprays filtered combustion gas as the filtered outlet of combustion gas.Between interconnected through-hole
Junction forms the groove for accommodating granule foreign in combustion gas.
In a preferred embodiment, as shown in Figure 7, Figure 8, the outlet that outwardly convex is provided on filtering lower cover 4 is logical
Hole 15；Exhaust through hole 15 is connected to the lower port F of the 6th through-hole 14 on filtering middleware 5, by the exhaust through hole 15 as solid
The gas outlet of body fuel gas generator sprays filtered combustion gas.Wherein, it is also provided on the lateral surface of filtering lower cover 4
There is the groove for accommodating granule foreign in combustion gas.
In conclusion in the use of the present invention, the combustion gas that pack boronitriding generates, enters filtering dress by pressure ring 2
It sets, primary filter is carried out by filter screen 1 first, then the combustion gas after primary filter enters filtering middleware 5 through filtering upper cover 3；
Combustion gas later enters the lower end surface of filtering middleware 5 by filtering two circle apertures of middleware 5, and combustion gas can be along indentation
Fuel gas path A-A'-B'-B-C-C'-D'-D-E-E'-F'-F exhaust through hole 15 is walked.A, B', C, D', E, F' are flowed through in combustion gas
When place, as shown in figure 9, due to inertia, some groove that can be formed in the connection corner of adjacent two through hole of granule foreign
Interior to deposit, after the filtering several times of the structure, granule foreign in combustion gas etc. can be effectively cut；Meanwhile herein
Certain cooling effect can be played to combustion gas in the process.
The various embodiments described above are merely to illustrate the present invention, and structure and size, setting position and the shape of each component are all can be with
It is varied, based on the technical solution of the present invention, the improvement and wait that all principles according to the present invention carry out individual part
With transformation, should not exclude except protection scope of the present invention.
Claims (10)
1. a kind of combustion gas filter device, it is characterised in that: intermediate including filter screen, pressure ring, filtering upper cover, filtering lower cover and filtering
Part；The filter screen is connect by the pressure ring with the outside of the filtering upper cover, and the filtering upper cover and the mistake were located at
The filtering middleware is provided between filter lower cover；The pressure ring, filter screen and filtering upper cover are fixed by screws in the mistake
It filters on middleware, the filtering middleware is fixed by screws under the filtering on lid.
2. device as described in claim 1, it is characterised in that: described device setting is in pack boronitriding outlet, with institute
State pack boronitriding outlet matching setting.
3. device as claimed in claim 2, it is characterised in that: the filtering upper cover is circumferentially provided with several apertures of two circles, several
Setting is spaced between the aperture；There are three grooves for setting in the middle part of the filtering upper cover.
4. device as claimed in claim 3, it is characterised in that: the center position positioned at the filtering middleware is provided with first
Through-hole；On the filtering middleware, using the first through hole as the center of circle, second has been provided at circumferentially spaced in the first through hole
Through-hole, third through-hole, fourth hole, fifth hole and the 6th through-hole；Second through-hole is fuel gas inlet, the 6th through-hole
For gas outlet, connection constitutes the fuel gas path of indentation between adjacent through-holes.
5. device as claimed in claim 4, it is characterised in that: the fuel gas path of the indentation are as follows: under second through-hole
Portion port is connected to as fuel gas inlet, the upper port of second through-hole with the upper port of the third through-hole, and described
The lower port of three through-holes is connected to the lower port of the fourth hole, the upper port of the fourth hole and the described 5th
The upper port of through-hole is connected to, and the lower port of the fifth hole is connected to the lower port of the first through hole, and described the
The upper port of one through-hole is connect with the upper port of the 6th through-hole, lower port the going out as combustion gas of the 6th through-hole
Mouthful, filtered combustion gas is sprayed.
6. device as claimed in claim 5, it is characterised in that: junction is formed for accommodating combustion gas between interconnected through-hole
The groove of middle granule foreign.
7. device as claimed in claim 4, it is characterised in that: the filtering middleware is provided with several apertures of two circles, and described
Circumferential two circles aperture in filtering on lid is in be correspondingly arranged；By covered in the filtering combustion gas of aperture by the filtering among
The aperture of part enters the lower end surface of the filtering middleware, and the fuel gas path of the indentation is entered through second through-hole.
8. device as claimed in claim 4, it is characterised in that: the exhaust through hole of outwardly convex is provided under the filtering on lid,
Gas outlet of the exhaust through hole as pack boronitriding；The described 6th in the exhaust through hole and the filtering middleware
The lower port of through-hole is connected to.
9. device as claimed in claim 8, it is characterised in that: be provided on the lateral surface of the filtering lower cover for accommodating combustion gas
The groove of middle granule foreign.
10. such as any one of claim 1 to 9 described device, it is characterised in that: described device uses cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012831.3A CN109621610A (en) | 2019-01-07 | 2019-01-07 | A kind of combustion gas filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012831.3A CN109621610A (en) | 2019-01-07 | 2019-01-07 | A kind of combustion gas filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109621610A true CN109621610A (en) | 2019-04-16 |
Family
ID=66058053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910012831.3A Pending CN109621610A (en) | 2019-01-07 | 2019-01-07 | A kind of combustion gas filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109621610A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT7923028A0 (en) * | 1978-06-06 | 1979-05-28 | Bayern Chemie Gmbh Flugchemie | GAS GENERATOR, SPECIFICALLY FOR AN INFLATABLE PROTECTIVE CUSHION. |
| JPH11182346A (en) * | 1997-12-24 | 1999-07-06 | Nissan Motor Co Ltd | Thrust direction control device for rocket |
| US20030074887A1 (en) * | 2001-06-29 | 2003-04-24 | Watkins William B | Catalyst bed |
| US20110067409A1 (en) * | 2009-09-22 | 2011-03-24 | Beeck Alexander R | Air Cooled Turbine Component Having an Internal Filtration System |
| JP2016160890A (en) * | 2015-03-04 | 2016-09-05 | 愛三工業株式会社 | Fuel supply system |
| CN108636041A (en) * | 2018-06-01 | 2018-10-12 | 北京理工伺服科技有限公司 | Compact solid propellant gas filter device |
| CN209501218U (en) * | 2019-01-07 | 2019-10-18 | 北京信息科技大学 | Combustion gas filter device |
-
2019
- 2019-01-07 CN CN201910012831.3A patent/CN109621610A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT7923028A0 (en) * | 1978-06-06 | 1979-05-28 | Bayern Chemie Gmbh Flugchemie | GAS GENERATOR, SPECIFICALLY FOR AN INFLATABLE PROTECTIVE CUSHION. |
| JPH11182346A (en) * | 1997-12-24 | 1999-07-06 | Nissan Motor Co Ltd | Thrust direction control device for rocket |
| US20030074887A1 (en) * | 2001-06-29 | 2003-04-24 | Watkins William B | Catalyst bed |
| US20110067409A1 (en) * | 2009-09-22 | 2011-03-24 | Beeck Alexander R | Air Cooled Turbine Component Having an Internal Filtration System |
| JP2016160890A (en) * | 2015-03-04 | 2016-09-05 | 愛三工業株式会社 | Fuel supply system |
| CN108636041A (en) * | 2018-06-01 | 2018-10-12 | 北京理工伺服科技有限公司 | Compact solid propellant gas filter device |
| CN209501218U (en) * | 2019-01-07 | 2019-10-18 | 北京信息科技大学 | Combustion gas filter device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190416 |