CN113565758A - Inlet silencing filter of Roots blower - Google Patents
Inlet silencing filter of Roots blower Download PDFInfo
- Publication number
- CN113565758A CN113565758A CN202110867958.0A CN202110867958A CN113565758A CN 113565758 A CN113565758 A CN 113565758A CN 202110867958 A CN202110867958 A CN 202110867958A CN 113565758 A CN113565758 A CN 113565758A
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- Prior art keywords
- filter
- wall
- adjusting
- box body
- filter screen
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 230000033228 biological regulation Effects 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/063—Sound absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an inlet silencing filter of a Roots blower, which comprises a filter box body, wherein the inner wall of the filter box body is fixedly provided with an installation platform through a connecting rod, the right side surface of the installation platform is fixedly provided with a threaded sleeve, the inner wall of the threaded sleeve is in threaded connection with an adjusting threaded column, the right end of the adjusting threaded column is fixedly connected with a pressing seat, the inner wall of the filter box body is fixedly connected with a filter cartridge through a bolt, the filter cartridge is in an I-shaped structure, and the surface of the filter cartridge is fixedly provided with a filter screen plate. This roots's entry amortization filter through setting up the micropore acoustical panel in filtering box inside, utilizes the micropore acoustical panel to slow down the velocity of flow of air current to reach the purpose of noise reduction, set up the filter plate of V style of calligraphy structure through the surface at the cartridge filter, utilize the filter plate to filter the impurity in the air current, avoid debris to get into roots's blower, reduced roots's blower impeller's wearing and tearing.
Description
Technical Field
The invention relates to the technical field of filters, in particular to an inlet silencing filter of a Roots blower.
Background
The Roots blower is a positive displacement blower and is a rotary compressor with two blade-shaped rotors moving relatively in cylinder to compress and convey gas. The blower has simple structure and convenient manufacture, is widely applied to aquaculture oxygenation, sewage treatment aeration and cement conveying, is more suitable for a gas conveying and pressurizing system in a low-pressure occasion, and can also be used as a vacuum pump and the like.
When the gas of dust-containing medium is carried by the Roots blower, the medium in the gas rubs with the impeller, the impeller is easily damaged, the service life of the impeller can be reduced by long-time use, and in addition, the noise at the air inlet is large, so that the Roots blower is not beneficial to the health of people.
Disclosure of Invention
It is an object of the present invention to provide a Roots blower inlet silencer filter that solves the problems set forth in the background art discussed above.
In order to achieve the purpose, the invention provides the following technical scheme: an inlet silencing filter of a Roots blower comprises a filter box body, wherein an installation platform is fixedly installed on the inner wall of the filter box body through a connecting rod, a threaded sleeve is fixedly installed on the right side face of the installation platform, an adjusting threaded column is in threaded connection with the inner wall of the threaded sleeve, a pressing seat is fixedly connected to the right end of the adjusting threaded column, a filter cylinder is fixedly connected to the inner wall of the filter box body through bolts, the filter cylinder is in an I-shaped structure, a filter screen plate is fixedly installed on the surface of the filter cylinder, through holes which are matched with each other are formed in the right side face of the filter cylinder and the inner right side wall of the filter box body, a connecting pipeline is welded on the right side face of the filter box body, a connecting flange is fixedly connected to the right end of the connecting pipeline, a protective frame is fixedly connected to the left end of the filter box body through bolts, and a splicing groove plate is fixedly installed on the inner wall of the filter box body, the inner wall of the inserting groove plate is inserted with a micropore silencing plate, the front face of the filtering box body is fixedly connected with an access sealing door through a bolt, and guide plates matched with each other are fixedly mounted on the inner wall of the filtering box body and the back face of the access sealing door.
Preferably, the lower fixed surface of filtering box installs the regulation spliced pole, the surperficial sliding connection who adjusts the spliced pole has adjusting sleeve, adjusting sleeve's lower extreme fixed mounting has the support mounting panel, a plurality of mounting hole has been seted up to the upper surface of support mounting panel, the lower fixed surface of support mounting panel is connected with rubber buffer pad.
Preferably, the number of the adjusting connecting columns and the adjusting sleeves is four, the adjusting connecting columns are arranged on the lower surface of the filtering box body in a rectangular array mode, the number of the adjusting connecting columns is four, the surface of each adjusting sleeve is connected with a locking bolt in a threaded mode, the surface of each adjusting connecting column is provided with a plurality of inserting grooves matched with the locking bolts, the inserting grooves are arranged on the surface of each adjusting connecting column in a linear array mode, and the threaded ends of the locking bolts extend to the inside of the four adjusting sleeves respectively and are inserted into the inner walls of the inserting grooves.
Preferably, the material of micropore acoustical panel is stainless steel, the board of micropore acoustical panel is lighter than a millimeter, micropore aperture on micropore acoustical panel surface is a millimeter, and the perforation rate is 1 ~ 5%, the quantity of micropore acoustical panel and grafting frid is a plurality of, a plurality of grafting frid equidistance sets up the inner wall at the filter box.
Preferably, the front fixed mounting who overhauls sealing door has the handle, the quantity of handle is two, two the handle symmetry sets up in the front of overhauing sealing door, two the equal fixedly connected with antiskid rubber sleeve in surface of handle.
Preferably, the surface of the adjusting threaded column is in threaded connection with a fastening nut, and the left end of the fastening nut is in lap joint with the right end face of the threaded sleeve.
Preferably, the quantity of deflector is a plurality of, a plurality of the deflector is equallyd divide into two sets ofly, and is two sets of the deflector sets up respectively at the inner wall of filtering the box and the back of overhauing sealing door, and is two sets of the deflector is mutually supported and is formed the heliciform structure.
Preferably, the double-deck steel wire filter screen of inner wall fixedly connected with of protection frame, the inner wall fixed mounting of protection frame has the filter screen backup pad, the quantity of filter screen backup pad is six, and per two filter screen backup pads are a set of, three groups the filter screen backup pad equidistance sets up the inner wall at the protection frame, every group the opposite face of filter screen backup pad overlaps with the left and right sides face of double-deck steel wire filter screen respectively.
Preferably, the filter screen plate is of a V-shaped structure, the number of the filter screen plates is a plurality of filter screen plates which are equidistantly arranged on the surface of the filter cartridge, and a plurality of vent holes communicated with the inside of the filter screen plates are formed in the surface of the filter cartridge.
Advantageous effects
The invention provides an inlet silencing filter of a Roots blower, which has the following beneficial effects:
1. this roots's entry amortization filter through setting up the micropore acoustical panel in filtering box inside, utilizes the micropore acoustical panel to slow down the velocity of flow of air current to reach the purpose of noise reduction, set up the filter plate of V style of calligraphy structure through the surface at the cartridge filter, utilize the filter plate to filter the impurity in the air current, avoid debris to get into roots's blower, reduced roots's blower impeller's wearing and tearing.
2. This roots blower's entry amortization filter, through setting up the maintenance sealing door, be convenient for overhaul this filter, through setting up the mount table, the threaded sleeve, adjust the screw post, support and press seat and fastening nut, be convenient for install and dismantle the cartridge filter, can support tightly fixedly to the cartridge filter simultaneously, make its in-process that uses more stable, through setting up protective frame, double-deck steel wire filter screen and filter screen backup pad, can block great debris, avoid it to block up micropore acoustical panel.
3. This roots's entry amortization filter adjusts spliced pole, adjusting sleeve and support mounting panel through the setting, can highly adjust filtering the box, and the flange on the connecting tube of the right side of the box of being convenient for filters is connected with roots's blower's air inlet end.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic view of a front cross-sectional structure of an adjustment sleeve;
FIG. 5 is a schematic view of a front cross-sectional configuration of a threaded sleeve;
FIG. 6 is a schematic side sectional view of a filter cartridge.
In the figure: the filter comprises a filter box body 1, a mounting table 2, a threaded sleeve 3, an adjusting threaded column 4, a pressing seat 5, a filter cartridge 6, a filter screen plate 7, a connecting pipeline 8, a connecting flange 9, a protective frame 10, a filter screen supporting plate 11, a splicing groove plate 12, a microporous silencing plate 13, an overhaul sealing door 14, a guide plate 15, an adjusting connecting column 16, an adjusting sleeve 17, an adjusting mounting plate 18, a cushion rubber pad 19, a fastening nut 20 and a double-layer steel wire filter screen 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a roots blower's entry amortization filter, including filtering box 1, the inner wall of filtering box 1 has mount table 2 through connecting rod fixed mounting, the right flank fixed mounting of mount table 2 has threaded sleeve 3, threaded sleeve 3's inner wall threaded connection has regulation screw post 4, the surperficial threaded connection of regulation screw post 4 has fastening nut 20, fastening nut 20's left end and threaded sleeve 3's right-hand member face overlap joint, the right-hand member fixed connection of regulation screw post 4 supports and presses seat 5, the inner wall of filtering box 1 passes through bolt fixedly connected with cartridge filter 6, through setting up mount table 2, threaded sleeve 3, adjust screw post 4, support and press seat 5 and fastening nut 20, be convenient for install and dismantle cartridge filter 6, can support tightly fixedly to cartridge filter 6 simultaneously, make its in-process more stable in the use.
The right flank welding of filtration box 1 has connecting pipeline 8, connecting pipeline 8's right-hand member fixedly connected with flange 9, the left end of filtration box 1 passes through bolt fixedly connected with protective frame 10, the double-deck steel wire filter screen 21 of inner wall fixedly connected with of protective frame 10, the inner wall fixed mounting of protective frame 10 has filter screen backup pad 11, the quantity of filter screen backup pad 11 is six, per two filter screen backup pads 11 are a set of, the 11 equidistance of three filter screen backup pads of group sets up the inner wall at protective frame 10, the opposite face of every filter screen backup pad of group 11 respectively with the left and right sides face overlap joint of double-deck steel wire filter screen 21.
The inner wall fixed mounting of filtration box 1 has grafting frid 12, and the inner wall of grafting frid 12 is inserted and is equipped with micropore acoustical panel 13, and micropore acoustical panel 13's material is the stainless steel, and micropore acoustical panel 13's thick is less than a millimeter, and the micropore aperture on micropore acoustical panel 13 surface is a millimeter, and the perforation rate is 1 ~ 5%, and the quantity of micropore acoustical panel 13 and grafting frid 12 is a plurality of, and a plurality of grafting frid 12 equidistance sets up the inner wall at filtration box 1.
Through setting up protective frame 10, double-deck steel wire filter screen 21 and filter screen backup pad 11, can block great debris, avoid it to block up micropore acoustical panel 13.
Filter the front of box 1 and pass through bolt fixedly connected with maintenance sealing door 14, the front fixed mounting who overhauls sealing door 14 has the handle, the quantity of handle is two, two handle symmetries set up the front at maintenance sealing door 14, the equal fixedly connected with anti-skidding rubber cover in surface of two handles, the inner wall of filtering box 1 and the equal fixed mounting in the back of maintenance sealing door 14 have deflector 15 of mutually supporting, the quantity of deflector 15 is a plurality of, a plurality of deflector 15 is equallyd divide into two sets ofly, two sets of deflectors 15 set up the inner wall at filtering box 1 and the back of maintenance sealing door 14 respectively, two sets of deflectors 15 mutually support and form the heliciform structure, through setting up maintenance sealing door 14, be convenient for overhaul this filter.
Through setting up micropore acoustical panel 13 in filtering 1 inside of box, utilize micropore acoustical panel 13 to slow down the velocity of flow of air current to reach the purpose of noise reduction, set up the filter plate 7 of V style of calligraphy structure through the surface at cartridge filter 6, utilize filter plate 7 to filter the impurity in the air current, avoid debris to get into the roots blower in, reduced roots blower impeller's wearing and tearing.
Filter the fixed surface of box 1 and install regulation spliced pole 16, the sliding surface of regulation spliced pole 16 is connected with adjusting sleeve 17, adjusting sleeve 17's lower extreme fixed mounting has support mounting panel 18, a plurality of mounting hole has been seted up to support mounting panel 18's upper surface, support mounting panel 18's lower fixed surface is connected with rubber buffer pad 19, the quantity of regulation spliced pole 16 and adjusting sleeve 17 is four, four regulation spliced poles 16 are the lower surface that the rectangular array set up at filtration box 1, the equal threaded connection in surface of four adjusting sleeve 17 has locking bolt, the inserting groove of a plurality of and locking bolt looks adaptation is all seted up on four surfaces of regulation spliced pole 16, a plurality of inserting groove is the surface of linear array setting at regulation spliced pole 16, four locking bolt's screwed end extends to four inside of adjusting sleeve 17 respectively and pegs graft with the inner wall of inserting groove.
Through setting up adjusting connecting column 16, adjusting sleeve 17 and support mounting panel 18, can adjust the height of filtering box 1, be convenient for filter connecting flange 9 on the box 1 right side connecting tube 8 and be connected with roots blower's air inlet end.
The working principle is as follows: when the inlet silencing filter of the Roots blower is used, the heights of the adjusting connecting column 16 and the adjusting sleeve 17 are adjusted through the locking bolt, so that the connecting flange 9 on the connecting pipeline 8 at the right side of the filtering box body 1 is connected with the air inlet end of the Roots blower, when the inlet silencing filter works, airflow passes through the micropore silencing plate 13 after being preliminarily filtered by the double-layer steel wire filtering net 21, is subjected to silencing treatment by the micropore silencing plate 13, the airflow after silencing passes through the filtering net plate 7 through the diversion of the guide plate 15, and after the airflow is subjected to fine filtering by the filtering net plate 7, the airflow enters the Roots blower through the connecting pipeline 8, when the interior of the filtering box body 1 needs to be overhauled, the overhauling sealing door 14 is opened, the fastening nut 20 is rotated, after the fastening nut 20 is separated from the threaded sleeve 3, the abutting seat 5 is rotated, so that the adjusting threaded column 4 is accommodated in the threaded sleeve 3, the filter cartridge 6 can be taken out by taking down the connecting bolt on the filter cartridge 6 and the filter box body 1, and the cleaning or the replacement is carried out, so that the operation is simple and convenient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An inlet silencing filter of Roots blower, comprising a filtering case (1), characterized in that: the inner wall of the filtering box body (1) is fixedly provided with a mounting table (2) through a connecting rod, the right side surface of the mounting table (2) is fixedly provided with a threaded sleeve (3), the inner wall of the threaded sleeve (3) is in threaded connection with an adjusting threaded column (4), the right end of the adjusting threaded column (4) is fixedly connected with a pressing seat (5), the inner wall of the filtering box body (1) is fixedly connected with a filtering cylinder (6) through bolts, the filtering cylinder (6) is of an I-shaped structure, the surface of the filtering cylinder (6) is fixedly provided with a filtering screen plate (7), the right side surface of the filtering cylinder (6) and the inner right side wall of the filtering box body (1) are both provided with through holes which are matched with each other, the right side surface of the filtering box body (1) is welded with a connecting pipeline (8), and the right end of the connecting pipeline (8) is fixedly connected with a connecting flange (9), the left end of the filtering box body (1) is fixedly connected with a protective frame (10) through a bolt, the inner wall of the filtering box body (1) is fixedly provided with an inserting groove plate (12), the inner wall of the inserting groove plate (12) is inserted with a micropore silencing plate (13), the front surface of the filtering box body (1) is fixedly connected with an access sealing door (14) through bolts, the inner wall of the filtering box body (1) and the back of the access sealing door (14) are fixedly provided with guide plates (15) which are matched with each other, an adjusting connecting column (16) is fixedly arranged on the lower surface of the filtering box body (1), the surface of the adjusting connecting column (16) is connected with an adjusting sleeve (17) in a sliding way, the lower end of the adjusting sleeve (17) is fixedly provided with a supporting mounting plate (18), the upper surface of the supporting and mounting plate (18) is provided with a plurality of mounting holes, and the lower surface of the supporting and mounting plate (18) is fixedly connected with a buffer rubber pad (19).
2. The inlet acoustic filter for a roots blower according to claim 1, wherein: the quantity of adjusting spliced pole (16) and adjusting sleeve (17) is four, four adjusting spliced pole (16) are the lower surface that the rectangle array set up at filter box (1), four the equal threaded connection in surface of adjusting sleeve (17) has locking bolt, four the inserting groove of a plurality of and locking bolt looks adaptation is all seted up on the surface of adjusting spliced pole (16), a plurality of the inserting groove is the surface of linear array setting at adjusting spliced pole (16), four locking bolt's threaded end extends to the inside of four adjusting sleeve (17) respectively and pegs graft with the inner wall of inserting groove.
3. The inlet acoustic filter for a roots blower according to claim 1, wherein: the material of micropore acoustical panel (13) is the stainless steel, the thick board of micropore acoustical panel (13) is lighter than a millimeter, the micropore aperture on micropore acoustical panel (13) surface is a millimeter, and the perforation rate is 1 ~ 5%, the quantity of micropore acoustical panel (13) and grafting frid (12) is a plurality of, a plurality of grafting frid (12) equidistance sets up the inner wall at filtering box (1).
4. The inlet acoustic filter for a roots blower according to claim 1, wherein: the front fixed mounting who overhauls sealing door (14) has the handle, the quantity of handle is two, two the handle symmetry sets up in the front of overhauing sealing door (14), two the equal fixedly connected with antiskid rubber sleeve in surface of handle.
5. The inlet acoustic filter for a roots blower according to claim 1, wherein: the surface of the adjusting threaded column (4) is in threaded connection with a fastening nut (20), and the left end of the fastening nut (20) is in lap joint with the right end face of the threaded sleeve (3).
6. The inlet acoustic filter for a roots blower according to claim 1, wherein: the quantity of deflector (15) is a plurality of, a plurality of deflector (15) is equallyd divide into two sets ofly, and is two sets of deflector (15) set up respectively at the inner wall of filtering box (1) and the back of overhauing sealing door (14), and is two sets of deflector (15) mutually support and form helical structure.
7. The inlet acoustic filter for a roots blower according to claim 1, wherein: the inner wall fixedly connected with double-deck steel wire filter screen (21) of protection frame (10), the inner wall fixed mounting of protection frame (10) has filter screen backup pad (11), the quantity of filter screen backup pad (11) is six, and per two filter screen backup pads (11) are a set of, three groups filter screen backup pad (11) equidistance sets up the inner wall at protection frame (10), every group the opposite face of filter screen backup pad (11) respectively with the left and right sides face overlap joint of double-deck steel wire filter screen (21).
8. The inlet acoustic filter for a roots blower according to claim 1, wherein: the filter screen plate (7) is of a V-shaped structure, the number of the filter screen plates (7) is a plurality of filter screen plates (7) which are arranged on the surface of the filter cartridge (6) in an equidistance mode, and a plurality of vent holes communicated with the interior of the filter screen plates (7) are formed in the surface of the filter cartridge (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110867958.0A CN113565758A (en) | 2021-07-30 | 2021-07-30 | Inlet silencing filter of Roots blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110867958.0A CN113565758A (en) | 2021-07-30 | 2021-07-30 | Inlet silencing filter of Roots blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113565758A true CN113565758A (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110867958.0A Pending CN113565758A (en) | 2021-07-30 | 2021-07-30 | Inlet silencing filter of Roots blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113565758A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3898063A (en) * | 1973-02-23 | 1975-08-05 | George A Gazan | Combination muffler and filter device |
| CN110017304A (en) * | 2019-05-21 | 2019-07-16 | 安徽虎渡科达流体机械有限公司 | A kind of noise elimination filter device |
| CN209180023U (en) * | 2018-12-21 | 2019-07-30 | 江西绿城罗茨鼓风机有限公司 | A kind of entrance silencing filter of Roots blower |
| CN209474037U (en) * | 2018-08-15 | 2019-10-11 | 胡昌昊 | A kind of stable type desk facilitating adjusting |
| CN211159090U (en) * | 2019-08-16 | 2020-08-04 | 孙鑫 | Air filtering silencer |
| CN211857729U (en) * | 2020-04-08 | 2020-11-03 | 山东致群信息技术有限公司 | Traffic monitoring device convenient to installation |
-
2021
- 2021-07-30 CN CN202110867958.0A patent/CN113565758A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3898063A (en) * | 1973-02-23 | 1975-08-05 | George A Gazan | Combination muffler and filter device |
| CN209474037U (en) * | 2018-08-15 | 2019-10-11 | 胡昌昊 | A kind of stable type desk facilitating adjusting |
| CN209180023U (en) * | 2018-12-21 | 2019-07-30 | 江西绿城罗茨鼓风机有限公司 | A kind of entrance silencing filter of Roots blower |
| CN110017304A (en) * | 2019-05-21 | 2019-07-16 | 安徽虎渡科达流体机械有限公司 | A kind of noise elimination filter device |
| CN211159090U (en) * | 2019-08-16 | 2020-08-04 | 孙鑫 | Air filtering silencer |
| CN211857729U (en) * | 2020-04-08 | 2020-11-03 | 山东致群信息技术有限公司 | Traffic monitoring device convenient to installation |
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Application publication date: 20211029 |