CN111467892A - Air supply filtering device for civil air defense engineering - Google Patents
Air supply filtering device for civil air defense engineering Download PDFInfo
- Publication number
- CN111467892A CN111467892A CN202010379556.1A CN202010379556A CN111467892A CN 111467892 A CN111467892 A CN 111467892A CN 202010379556 A CN202010379556 A CN 202010379556A CN 111467892 A CN111467892 A CN 111467892A
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- casing
- defense engineering
- air defense
- baffle
- civil air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
- B01D46/0008—Two or more filter elements not fluidly connected positioned in the same housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/645—Protecting screens at filter inlet or outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides an air supply filtering device for civil air defense engineering, which comprises an interwoven fabric filter plate, a plurality of layers of sintered metal filter plates, an alloy protection screen plate, a main support roller, a driving baffle plate, a sealing rubber sheet and a connecting rod, wherein the sintered metal plate is clamped on the right side of the interwoven fabric filter plate, the alloy protection screen plate is arranged on the right end surface of a filter shell, the design solves the problem that the original air supply structure for civil air defense engineering does not have filtering and purifying capacity, the main support roller is arranged on the upper side of the inner wall of an adjusting shell, the driving baffle plate is clamped on the annular side surface of the main support roller, the connecting rod is inserted in the driving baffle plate in the rear side, and sealing rubber strips are symmetrically clamped on the front end surface and the rear end surface of the driving baffle plate, thereby solving the problems that the original air supply structure for civil air defense engineering is inconvenient to adjust air volume, has a, is convenient for installation and fixation.
Description
Technical Field
The invention relates to an air supply filtering device for civil air defense engineering, belonging to the technical field of civil air defense engineering.
Background
Civil air defense engineering also calls civil air defense workers, and refers to underground protective buildings which are independently built for guaranteeing personnel and material shelter, civil air defense command and medical rescue in wartime, and basements which are built by combining ground buildings and can be used for air defense in wartime. The civil air defense engineering is an important facility for preventing enemies from attacking suddenly, effectively masking personnel and materials and preserving the war potential; the method is an engineering guarantee for adhering to town battles and supporting anti-aggression wars to victory for a long time.
In the prior art, the existing air supply device for civil air defense engineering is simple in structure, only has a simple air supply function, and does not have air filtering capability, and since the external air can be mixed with ammunition shell dust during war, once the mixed air is absorbed by human body for a long time, great damage can be caused to human health, and the problem is solved by the air supply filtering device for civil air defense engineering.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an air supply filtering device for civil air defense engineering to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a civil air defense engineering is with air supply filter equipment, includes purification and filtration mechanism, first fixed peg, reducing casing, convulsions casing, adjusts the casing, makes things convenient for adjustment mechanism and filters the casing, its characterized in that: the welding of convulsions casing right-hand member face has the reducing casing, the filtering housing is installed to reducing casing right-hand member face, filter the inside purification and filtration mechanism that is provided with of casing, filter the casing up end and install first fixed peg, the regulation casing is installed to convulsions casing left end face, adjust the inside convenient adjustment mechanism that is provided with of casing, purification and filtration mechanism includes location motor frame, flabellum, draught fan, sealed bottom, active carbon filter plate, interwoven fabric filter plate, multilayer sintered metal filter plate and alloy protection otter board, make things convenient for adjustment mechanism to include main tributary supporting roller, initiative baffle, bull stick, location lid, sealed film, vice backing roll, driven baffle, stopper, connecting rod and positioning bolt.
Further, in purifying and filtering mechanism, the location motor frame is installed to convulsions shells inner wall upside, the terminal surface is equipped with the draught fan under the location motor frame, draught fan left end face is provided with the flabellum, filter the casing down the terminal surface install sealed bottom, sealed bottom upside clamps the interwoven fabric filter plate, the interwoven fabric filter plate left side clamps the active carbon filter plate, the interwoven fabric filter plate right side clamps the sintered metal board, it installs alloy protection otter board to filter the casing right-hand member face.
Further, the through wires hole has been seted up to positioning motor frame inside, positioning motor frame and draught fan phase-match, the draught fan is connected with external power supply through the wire, the fixed peg of second is installed to convulsions casing up end, the fixed peg of first fixed peg and second is all fixed at external civil air defense engineering entrance to a draught fan department appointed position through external expansion bolts.
Furthermore, the welding of sealed bottom up end has lower cassette, the welding of cassette has three groups down, and three groups lower cassette specification the same, the welding of filtration casing inner wall upside has last cassette, it has three groups to go up the welding of cassette, and three groups go up the cassette specification the same.
Further, the alloy protection screen plate is fixedly arranged on the right end face of the filtering shell through bolts, a first sealing rectangular flange is welded between the filtering shell and the reducing shell, and the first sealing rectangular flange is of a detachable structure.
Further, the activated carbon filter plate, the interwoven fabric filter plate and the sintered metal plate are all of a detachable structure, and the lower end face of the air draft shell is provided with an access plate which is of a detachable structure.
Further, in making things convenient for adjustment mechanism, adjust shells inner wall upside and install the main tributary supporting roller, main tributary supporting roller annular side has clamped the initiative baffle, the inside rear side interlude of initiative baffle has the connecting rod, the welding of connecting rod annular side has the stopper, terminal surface symmetry buckle has joint strip around the initiative baffle, vice backing roll is installed to main tributary supporting roller rear side, vice backing roll annular side has clamped driven baffle, adjust the casing terminal surface front side and install the location lid, the inside interlude of location lid has the bull stick, the meshing of location lid downside has positioning bolt.
Further, the carousel is installed to the terminal surface under the bull stick, bull stick annular side upside clamps the bearing housing, it is fixed to install through the screw between bull stick and the initiative baffle, the terminal surface front side welding has the support bar under the locating cover, and the support bar meshes with positioning bolt mutually, convulsions casing has the sealed rectangle flange of second with adjusting the casing support welding, and the sealed rectangle flange of second is detachable construction.
Further, the sealed adhesive tape buckle has the multiunit, and multiunit sealed adhesive tape all with initiative baffle and driven baffle phase-match, main tributary bearing roller and vice backing roll are rotatable structure, it has the sand grip of keeping out the wind to adjust the welding of shells inner wall upside, it has the sand grip of keeping out the wind down to adjust the welding of shells inner wall downside, it all is greater than main tributary bearing roller and vice backing roll hunting range with lower sand grip inner wall size to go up the sand grip of keeping out the wind.
Further, the connecting rod is connected initiative baffle and driven baffle through the connected mode that alternates, the stopper welding has the multiunit, and the multiunit stopper is laminated terminal surface around initiative baffle and driven baffle rear half downside respectively.
The invention has the beneficial effects that: according to the air supply filtering device for the civil air defense engineering, the positioning motor frame, the fan blades, the draught fan, the sealing bottom cover, the activated carbon filtering plate, the interwoven fabric filtering plate, the multi-layer sintered metal filtering plate and the alloy protection screen plate are added, so that the design is convenient for multi-stage filtering of external air, the external air is prevented from being polluted into the civil air defense engineering, the problem that an original air supply structure for the civil air defense engineering does not have filtering and purifying capacity is solved, and the filtering and purifying performance of the air supply filtering device is improved.
Because the convenient adjusting mechanism is added to the air supply device, and comprises the main supporting roller, the driving baffle, the rotating rod, the positioning cover, the sealing film, the auxiliary supporting roller, the driven baffle, the limiting block, the connecting rod and the positioning bolt, the air supply volume is conveniently adjusted by the design, the problems that the air supply structure for the original civil air defense engineering is inconvenient to adjust the air volume, has a complex structure and is easy to damage are solved, and the convenient adjustment of the air supply device is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of an air supply filtering device for civil air defense engineering according to the present invention;
FIG. 2 is a front sectional view of a purifying and filtering mechanism of an air supply filtering device for civil air defense construction according to the present invention;
FIG. 3 is a partial front sectional view of a convenient adjustment mechanism for an air supply filtration unit for civil air defense construction of the present invention;
FIG. 4 is a left sectional view of a convenient adjustment mechanism for an air supply filtration apparatus for civil air defense construction of the present invention;
FIG. 5 is an enlarged view of A in FIG. 4;
in the figure: 1-a purification and filtration mechanism, 2-a first fixed hanging rod, 3-a diameter-variable shell, 4-an air draft shell, 5-an adjustment shell, 6-a convenient adjustment mechanism, 7-a filtration shell, 11-a positioning motor frame, 12-fan blades, 13-an induced draft fan, 14-a sealing bottom cover, 15-an activated carbon filter plate, 16-an interwoven fabric filter plate, 17-a multilayer sintered metal filter plate, 18-an alloy protection screen plate, 61-a main support roller, 62-a driving baffle, 63-a rotating rod, 64-a positioning cover, 65-a sealing film, 66-an auxiliary support roller, 67-a driven baffle, 68-a limiting block, 69-a connecting rod, 611-a positioning bolt and 631-a rotating disk.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a civil air defense engineering is with air supply filter equipment, includes purification and filtration mechanism 1, first fixed peg 2, reducing casing 3, convulsions casing 4, adjusts casing 5, makes things convenient for adjustment mechanism 6 and filters casing 7, its characterized in that: the right end face of the draft casing 4 is welded with the reducing casing 3, the right end face of the reducing casing 3 is provided with the filtering casing 7, the inside purifying and filtering mechanism 1 that is provided with of the filtering casing 7, the first fixed hanging rod 2 is installed to the upper end face of the filtering casing 7, the adjusting casing 5 is installed to the left end face of the draft casing 4, the inside convenient adjustment mechanism 6 that is provided with of the adjusting casing 5, the purifying and filtering mechanism 1 includes the positioning motor frame 11, the flabellum 12, the draught fan 13, the sealing bottom 14, the activated carbon filter plate 15, the interwoven fabric filter plate 16, the multilayer sintered metal filter plate 17 and the alloy protection otter board 18, the convenient adjustment mechanism 6 includes the main supporting roller 61, the driving baffle 62, the rotating rod 63, the positioning cover 64, the sealing rubber sheet 65, the auxiliary supporting roller 66.
In the purification and filtration mechanism 1, a positioning motor frame 11 is installed on the upper side of the inner wall of an air draft shell 4, an induced draft fan 13 is installed on the lower end face of the positioning motor frame 11, a fan blade 12 is arranged on the left end face of the induced draft fan 13, a sealing bottom cover 14 is installed on the lower end face of a filtration shell 7, an interwoven fabric filter plate 16 is clamped on the upper side of the sealing bottom cover 14, an activated carbon filter plate 15 is clamped on the left side of the interwoven fabric filter plate 16, a sintered metal plate is clamped on the right side of the interwoven fabric filter plate 16, and.
In convenient adjustment mechanism 6, main supporting roller 61 is installed on the upper side of the inner wall of adjusting shell 5, driving baffle 62 is clamped on the annular side surface of main supporting roller 61, connecting rod 69 is inserted into the rear side of the inside of driving baffle 62, limiting block 68 is welded on the annular side surface of connecting rod 69, sealing rubber strips are symmetrically clamped on the front and rear end surfaces of driving baffle 62, auxiliary supporting roller 66 is installed on the rear side of main supporting roller 61, driven baffle 67 is clamped on the annular side surface of auxiliary supporting roller 66, positioning cover 64 is installed on the front side of the end surface under adjusting shell 5, rotating rod 63 is inserted into positioning cover 64, and positioning bolt 611 is meshed on the lower side of positioning cover 64.
As an embodiment of the present invention: firstly, a filter shell 7 is installed and fixed at a designated position of an air inlet end of an external civil air defense project through a first fixing hanging rod 2, then an air draft shell 4 and a reducing shell 3 are installed and fixed through a second fixing hanging rod and a first sealing rectangular flange, because the reducing shell 3 and the air draft shell 4 are welded and fixed, the air draft shell 4 is also installed and fixed synchronously, then an adjusting shell 5 is installed and fixed at the left end surface of the air draft shell 4 through a second sealing rectangular flange, finally, the left end surface of the adjusting shell 5 is connected with an external civil air defense project ventilating duct through an external bolt, when the civil air defense project needs to be fed, an induced draft fan 13 is firstly opened, the induced draft fan 13 is electrified and rotated, and then a fan blade 12 is driven to rotate to generate suction force, at the moment, the negative pressure at the lower side inside the air draft shell 4 sucks external air into the, the outside air is firstly primarily filtered by the multilayer sintered metal filter plate 17, most impurities and harmful substances in the outside air are adsorbed and filtered, then secondary filtering is carried out by the interwoven fabric filter plate 16, the interwoven fabric filter plate 16 has very smooth surface and very high mechanical strength, and is not blocked by pollutants, meanwhile, fine particle impurities in the outside air can be effectively adsorbed and filtered, finally, the outside air is subjected to tertiary filtering by the activated carbon filter plate 15, harmful gases and fine particles in the outside air are taken out and adsorbed to the maximum extent, so that the pollutants in the outside air are effectively filtered and removed, at the moment, the outside air enters the adjusting shell 5 through the air draft shell 4, then enters the ventilation pipeline of the outside civil air defense engineering through the adjusting shell 5 for air supply and ventilation, and the condition that people refuge in the civil defense engineering under the wartime state are influenced by air pollution to the health is avoided, after the filter is used, the sealing bottom plate is disassembled to disassemble, clean or replace the activated carbon filter plate 15, the interwoven fabric filter plate 16 and the multi-layer sintered metal filter plate 17, so that the filtering effect of the invention is improved.
As an embodiment of the present invention: when the air output of the adjusting shell 5 needs to be adjusted, the positioning bolt 611 is loosened and the rotating rod 63 is rotated, the rotating rod 63 rotates to drive the driving baffle 62 to synchronously rotate, so that the driving baffle 62 synchronously swings, due to the installation of the connecting rod 69 and the limiting block 68, the driven baffle 67 synchronously swings when the driving baffle 62 swings, the main supporting roller 61 and the auxiliary supporting roller 66 can enable the driving baffle 62 and the driven baffle 67 to have better swinging stability, and the distance between the sealing films 65 of the driving baffle 62 and the driven baffle 67 can be increased or reduced when the driving baffle 62 and the driven baffle 67 swing, so that the air output of the adjusting shell 5 is adjusted, the fault rate is reduced to the maximum extent due to the absence of interference of external electronic elements, and the upper wind blocking convex strips and the lower wind blocking convex strips can effectively block and isolate the upper side and the lower side of the inner wall of the adjusting shell 5, thereby preventing wind from flowing from the driving baffle 62 and the, when the required air volume is adjusted, the positioning bolt 611 is screwed down, the rotating rod 63 is positioned and fixed, the rotating rod 63 is prevented from rotating in the using process, and the adjusting effect of the air volume adjusting device is improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a civil air defense engineering is with air supply filter equipment, includes purification and filtration mechanism, first fixed peg, reducing casing, convulsions casing, adjusts the casing, makes things convenient for adjustment mechanism and filters the casing, its characterized in that: the welding of convulsions casing right-hand member face has the reducing casing, the filtering housing is installed to reducing casing right-hand member face, filter the inside purification and filtration mechanism that is provided with of casing, filter the casing up end and install first fixed peg, the regulation casing is installed to convulsions casing left end face, adjust the inside convenient adjustment mechanism that is provided with of casing, purification and filtration mechanism includes location motor frame, flabellum, draught fan, sealed bottom, active carbon filter plate, interwoven fabric filter plate, multilayer sintered metal filter plate and alloy protection otter board, make things convenient for adjustment mechanism to include main tributary supporting roller, initiative baffle, bull stick, location lid, sealed film, vice backing roll, driven baffle, stopper, connecting rod and positioning bolt.
2. The supply air filtering device for civil air defense engineering of claim 1, characterized in that: in purifying and filtering mechanism, the location motor frame is installed to convulsions shells inner wall upside, terminal surface is equipped with the draught fan under the location motor frame, the draught fan left end face is provided with the flabellum, filter the casing down the terminal surface install sealed bottom, sealed bottom upside clamps the interwoven fabric filter plate, the interwoven fabric filter plate left side clamps the active carbon filter plate, the interwoven fabric filter plate right side clamps the sintered metal board, it installs alloy protection otter board to filter the casing right-hand member face.
3. The supply air filtering device for civil air defense engineering of claim 2, characterized in that: the utility model discloses a ventilation device, including location motor frame, draught fan, fixed peg, first fixed peg and second fixed peg, the through wires hole has been seted up to location motor frame inside, location motor frame and draught fan phase-match, the draught fan is connected with external power through the wire, the fixed peg of second is installed to convulsions casing up end, the fixed peg of first fixed peg and second is all fixed at external civil air defense engineering entrance to the wind gap department assigned position through external expansion bolts.
4. The supply air filtering device for civil air defense engineering of claim 2, characterized in that: the sealing bottom cover is characterized in that a lower clamping seat is welded on the upper end face of the sealing bottom cover, three groups of lower clamping seats are welded on the lower clamping seat, the specifications of the three groups of lower clamping seats are the same, an upper clamping seat is welded on the upper side of the inner wall of the filtering shell, three groups of upper clamping seats are welded on the upper clamping seats, and the specifications of the three groups of upper clamping.
5. The supply air filtering device for civil air defense engineering of claim 2, characterized in that: the alloy protection screen plate is fixedly arranged on the right end face of the filtering shell through bolts, a first sealing rectangular flange is welded between the filtering shell and the reducing shell, and the first sealing rectangular flange is of a detachable structure.
6. The supply air filtering device for civil air defense engineering of claim 2, characterized in that: the active carbon filter plate, the interwoven fabric filter plate and the sintered metal plate are all of detachable structures, the lower end face of the air draft shell is provided with an overhaul plate, and the overhaul plate is of a detachable structure.
7. The supply air filtering device for civil air defense engineering of claim 1, characterized in that: in making things convenient for adjustment mechanism, adjust shells inner wall upside and install the main tributary supporting roller, main tributary supporting roller ring side has clamped the initiative baffle, the inside rear side interlude of initiative baffle has the connecting rod, the welding of connecting rod ring side has the stopper, terminal surface symmetry buckle has joint strip around the initiative baffle, vice backing roll is installed to main tributary supporting roller rear side, vice backing roll ring side has clamped driven baffle, adjust the casing lower extreme front side and install the location lid, the inside interlude of location lid has the bull stick, the meshing of location lid downside has positioning bolt.
8. The supply air filtering device for civil air defense engineering of claim 7, characterized in that: the carousel is installed to the terminal surface under the bull stick, bull stick annular side upside clamps the bearing housing, it is fixed to install through the screw between bull stick and the initiative baffle, the terminal surface front side welding has the support bar under the locating cover, and the support bar meshes with positioning bolt mutually, convulsions casing has the sealed rectangle flange of second with adjusting the casing scaffold weldment, and the sealed rectangle flange of second is detachable construction.
9. The supply air filtering device for civil air defense engineering of claim 7, characterized in that: the sealed glue strip buckle has the multiunit, and multiunit joint strip all with initiative baffle and driven baffle phase-match, main tributary dagger and vice backing roll are rotatable structure, it has the upper wind sand grip to adjust the welding of shells inner wall upside, it has the lower wind sand grip to adjust the welding of shells inner wall downside, upper wind sand grip and lower wind sand grip inner wall size all are greater than main tributary dagger and vice backing roll hunting range.
10. The supply air filtering device for civil air defense engineering of claim 7, characterized in that: the connecting rod is connected initiative baffle and driven baffle through the connected mode that alternates, the stopper welding has the multiunit, and the multiunit stopper is laminated terminal surface around the rear half downside of initiative baffle and driven baffle respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379556.1A CN111467892A (en) | 2020-05-08 | 2020-05-08 | Air supply filtering device for civil air defense engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010379556.1A CN111467892A (en) | 2020-05-08 | 2020-05-08 | Air supply filtering device for civil air defense engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111467892A true CN111467892A (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010379556.1A Pending CN111467892A (en) | 2020-05-08 | 2020-05-08 | Air supply filtering device for civil air defense engineering |
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| Country | Link |
|---|---|
| CN (1) | CN111467892A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246042A (en) * | 2020-10-27 | 2021-01-22 | 广州市鼎隆机电安装有限公司 | Ventilation filtering device for civil air defense engineering |
| CN113019018A (en) * | 2021-02-07 | 2021-06-25 | 大同新成欣荣新材料科技有限公司 | A purifier that is used for people's air defense equipment to have active carbon |
| CN113803826A (en) * | 2021-10-09 | 2021-12-17 | 津市市绿达米粉有限公司 | Ventilation unit for workshop |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4832608B1 (en) * | 2011-06-20 | 2011-12-07 | ニッタ株式会社 | Inertia filter |
| CN206597394U (en) * | 2017-02-27 | 2017-10-31 | 曹建强 | Civilian worker, which builds, uses dedusting filter |
| CN207247456U (en) * | 2017-06-23 | 2018-04-17 | 新疆维吾尔自治区人民医院 | A kind of ward air cleaner |
| CN209801698U (en) * | 2018-11-15 | 2019-12-17 | 天津宏泰空调净化设备有限责任公司 | Electric multi-blade split regulating valve with air filtering function |
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2020
- 2020-05-08 CN CN202010379556.1A patent/CN111467892A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4832608B1 (en) * | 2011-06-20 | 2011-12-07 | ニッタ株式会社 | Inertia filter |
| CN206597394U (en) * | 2017-02-27 | 2017-10-31 | 曹建强 | Civilian worker, which builds, uses dedusting filter |
| CN207247456U (en) * | 2017-06-23 | 2018-04-17 | 新疆维吾尔自治区人民医院 | A kind of ward air cleaner |
| CN209801698U (en) * | 2018-11-15 | 2019-12-17 | 天津宏泰空调净化设备有限责任公司 | Electric multi-blade split regulating valve with air filtering function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246042A (en) * | 2020-10-27 | 2021-01-22 | 广州市鼎隆机电安装有限公司 | Ventilation filtering device for civil air defense engineering |
| CN112246042B (en) * | 2020-10-27 | 2021-07-23 | 广州市鼎隆机电安装有限公司 | Ventilation filtering device for civil air defense engineering |
| CN113019018A (en) * | 2021-02-07 | 2021-06-25 | 大同新成欣荣新材料科技有限公司 | A purifier that is used for people's air defense equipment to have active carbon |
| CN113803826A (en) * | 2021-10-09 | 2021-12-17 | 津市市绿达米粉有限公司 | Ventilation unit for workshop |
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Application publication date: 20200731 |
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