CN108452598A - Multiple-effect dust work area air purifying mechanism - Google Patents
Multiple-effect dust work area air purifying mechanism Download PDFInfo
- Publication number
- CN108452598A CN108452598A CN201810339530.7A CN201810339530A CN108452598A CN 108452598 A CN108452598 A CN 108452598A CN 201810339530 A CN201810339530 A CN 201810339530A CN 108452598 A CN108452598 A CN 108452598A
- Authority
- CN
- China
- Prior art keywords
- dust
- group
- level
- groups
- dust collection
- 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
Classifications
-
- 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
-
- 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
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 multiple-effect dust work area air purifying mechanisms.Including control mechanism, driving motor, assembling stand and at least one set of level-one dust collection mechanism and at least one set of secondary purification mechanism, the control mechanism and driving motor are fixed at the upper surface of assembling stand, level-one dust collection mechanism is set to below assembling stand, and the air purifying mechanism further includes two groups of fixed frames, two groups of rotating rollers, the first transmission belt, the second transmission belt, two group of first whorl brace rod, two group of first screw nipple, the first fixing piece, two group of second whorl brace rod, two group of second screw nipple and the second fixing piece.Setting through the invention, driving motor drive rotation axis to rotate via the second driving belt, while driving the rotation of the first driving belt, to drive level-one dust collection mechanism to move back and forth along its length, realize the airborne dust Dynamic Adsorption to each region；The present invention realizes convenient, flexible its position of adjusting in use, by coordinating with pre-set sliding rail, relatively low using limitation.
Description
Technical field
The present invention relates to a kind of air purifying mechanisms, more particularly to a kind of multiple-effect dust work area air purifying mechanism.
Background technology
Solid material main chemical compositions are that silica, aluminium oxide and molybdenum nickel tungsten etc. are various heavy in catalyst manufacturing procedures
Metal, and mainly exist with powder, particle size range 100-2000 mesh, grain size minimum is up to 2 microns, therefore production scene is big
It will present dusty state more.Such case not only causes a degree of loss of material, reduces yield, and increase is produced into
This, exists simultaneously the possibility of dust explosion, and healthy danger will be caused to a line operating personnel by more seriously sucking dust
Evil, or even form the occupational diseases such as silicosis, metal lung, nasopharyngeal carcinoma.
For a long time, this situation of catalyst production industry does not obtain the attention of occupational health department of government, catalyst
Dust treatment measures do not obtain larger improvement yet.Dust pollution will produce the disease for keeping respiratory system fatal, such as silicosis, silicon
Hydrochlorate lung, carbon pneumoconiosis, metal pneumoconiosis and nasopharyngeal carcinoma etc..For production, dust pollution influences capable of seeing for production environment
Degree accelerates the abrasion of machine and reduces the quality of product.Some dust have chargeding performance and explosion property, easily cause production
The explosion of environment or warehouse.
Industrial dust precipitator in the prior art be all it is fixed, this deduster generally require in use by
Deduster and wind turbine are fixed on a certain position, are sent dusty gas to dust pelletizing system by dedusting air draft pipe and are dusted purification
Processing, to be dusted purification to a fixed point or a fixed range.This fixed deduster manufactures catalyst and moves
The effect and inconvenience that the dust that dynamic discharge process generates is cleared up.
Invention content
It is an object of the invention to solve the deficiency of fixed deduster in the prior art, a kind of multiple-effect dust work is provided
Industry area air purifying mechanism.
The technical solution adopted by the present invention to solve the technical problems is：
Multiple-effect dust work area air purifying mechanism, including control mechanism, driving motor, assembling stand and at least one set of level-one
Dust collection mechanism and at least one set of secondary purification mechanism, the control mechanism and driving motor are fixed at the upper surface of assembling stand,
Level-one dust collection mechanism is set to below assembling stand, and the air purifying mechanism further includes two groups of fixed frames, two groups of rotating rollers, the first biography
Dynamic band, the second transmission belt, two group of first whorl brace rod, two group of first screw nipple, the first fixing piece, two group of second screw thread
Connecting rod, two group of second screw nipple and the second fixing piece, fixed frame are arranged along assembling stand both sides width direction respectively, fixed
Frame is additionally provided with two groups of pilot holes, and the assembly side of rotating roller passes through two groups of pilot holes to be rotatablely connected with fixed frame, the first transmission belt
It is sheathed in two groups of rotating rollers, the top of the level-one dust collection mechanism is fixed by the bottom surface of connecting rod and the first transmission belt to be connected
It connects, the output end of the driving motor is provided with drive shaft, and the both ends of second transmission belt are sheathed on drive shaft and its respectively
In in a rotation axis, the rear end of two group of first whorl brace rod is fixedly connected with the left side wall of assembling stand respectively, two group first
The front end of whorl brace rod plugs and is screw-coupled to inside two group of first screw nipple respectively, the both sides of the first fixing piece side wall
It is respectively arranged with fitting groove, the first ball bearing is provided in the fitting groove, the front end of the first screw nipple is inserted into respectively
In first ball bearing, the front end of two group of second whorl brace rod is fixedly connected with assembling stand right side wall respectively, two group of second spiral shell
The rear end of line connecting rod plugs and is screw-coupled to the inside of two group of second screw nipple, the both sides point of the second fixing piece side wall respectively
It is not provided with fitting groove, the second ball bearing is provided in fitting groove, the second ball axis is inserted into the rear end of the second screw nipple
In holding；
The control mechanism includes at least two position sensors, is symmetrically fixed at the inside of two groups of fixed frames, is used
In the location information of detection level-one dust collection mechanism, control mechanism is fed back to, and then control the positive and negative rotation of driving motor, realize level-one
The reciprocating motion of dust collection mechanism；
The cleaner further includes two groups of wind turbines, and two groups of wind turbines are separately mounted to the front side of assembling stand bottom end with after
Side, the outlet that the inlet scoop of wind turbine passes through air draft pipe and dust collection mechanism；
The secondary purification mechanism is fixed at the outside of the first fixing piece comprising shell, the shell pass through porous
Isolation board is divided into the first purify cavity and the second purify cavity, and the first purify cavity is equipped with air inlet, the air draft of the air inlet and wind turbine
Mouth connection, the first purify cavity is interior to be equipped with the first porous adsorbing medium (preferably activated carbon), and the second purify cavity is interior porous equipped with second
The material of adsorbing medium (preferably porous ceramics), the first, second porous adsorbing medium differs；Second purify cavity is equipped with outlet
Mouthful, gas outlet is communicated by the netted separator of stainless steel with air；
First fixing piece and the second fixing piece bottom are equipped with sliding slot along its length；
The driving motor, wind turbine and position sensor are electrically connected with control mechanism.
Preferably, the control mechanism uses PLC controller.
Preferably, the level-one dust collection mechanism is process using stainless steel, including shell, and the surrounding of shell is top
Part is equipped with the netted air-inlet grille of double-layer stainless steel, and air-inlet grille interlayer is fixed with multi-layered filtering element knot close to interior air-inlet grille
Structure, the spacing between multi-layered filtering element structure and external admission grid are not less than 3cm, and housing bottom, which is located at below air-inlet grille, is equipped with cone
Shape dust reclaiming chamber, dust reclaiming chamber chamber are clamped with shell.
Preferably, the level-one dust collection mechanism is equipped with two groups, is symmetrically set in the bottom surface of the first transmission belt along its length two
Side.
Preferably, the front and rear sides of the level-one dust collection mechanism are also rotatably connected to vibration hammer, and level-one dust collection mechanism is reciprocal
In motion process, vibration hammer beats level-one dust collection mechanism using its inertia, and dust reclaiming chamber is recycled to convenient for dust.
The beneficial effects of the invention are as follows：Beneficial effects of the present invention are compared with prior art：Setting through the invention,
Driving motor drives rotation axis rotation via the second driving belt, while driving the rotation of the first driving belt, to drive level-one
Dust collection mechanism moves back and forth along its length, realizes the airborne dust Dynamic Adsorption to each region；The present invention in use, by with it is advance
The sliding rail of setting coordinates, convenient, flexible its position of adjusting of realization, better dust removal effect relatively low using limitation, and practicability is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
In figure：1. driving motor, 2, assembling stand, 3, level-one dust collection mechanism, 31, vibration hammer, 4, connecting rod, 5, fixed frame,
6, rotating roller, the 7, first transmission belt, the 8, second transmission belt, the 9, first whorl brace rod, the 10, first screw nipple, 11, first
Fixing piece, the 12, second whorl brace rod, the 13, second screw nipple, the 14, second fixing piece, 15, secondary purification mechanism, 16,
Wind turbine, 17, air draft pipe, the 18, first support element, the 19, first idler wheel, the 20, second support element, the 21, second idler wheel.
Specific implementation mode
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention will be further explained in detail.
Embodiment：
Multiple-effect dust work area air purifying mechanism as shown in Figure 1, including control mechanism, driving motor 1, assembling stand 2
With at least one set of level-one dust collection mechanism 3 and at least one set of secondary purification mechanism 15, the control mechanism and the fixation of driving motor 1 are set
In the upper surface of assembling stand 2, dust collection mechanism 3 is set to 2 lower section of assembling stand, and the air purifying mechanism further includes two groups of fixed frames
5, two groups of rotating rollers 6, the first transmission belt 7,8, two group first of the second transmission belt the first screw nipple of 9, two groups of whorl brace rod
10,11, two group second of the first fixing piece, 12, two group second of whorl brace rod screw nipple 13 and the second fixing piece 14, it is fixed
Frame 5 is respectively along 2 both sides width direction setting of assembling stand, and fixed frame 5 is additionally provided with two groups of pilot holes, and the assembly side of rotating roller passes through
Two groups of pilot holes are rotatablely connected with fixed frame 5, and the first transmission belt 7 is sheathed in two groups of rotating rollers 6, the level-one dust collection mechanism 3
Top be fixedly connected with the bottom surface of the first transmission belt 7 by connecting rod 4, the output end of the driving motor 1 is provided with driving
The both ends of axis, second transmission belt 8 are sheathed on respectively in drive shaft and a wherein rotation axis, two group of first whorl brace rod 9
Rear end be fixedly connected respectively with the left side wall of assembling stand 2, the front end of two group of first whorl brace rod 9 plugs respectively and spiral shell
It is connected to inside two group of first screw nipple 10, the both sides of 11 side wall of the first fixing piece are respectively arranged with fitting groove, the assembly
The first ball bearing is provided in slot, the front end of the first screw nipple 9 is inserted into respectively in the first ball bearing, two group of second spiral shell
The front end of line connecting rod 12 is fixedly connected with 2 right side wall of assembling stand respectively, and the rear end of two group of second whorl brace rod 12 is inserted respectively
And if be screw-coupled to the inside of two group of second screw nipple 13, the both sides of 14 side wall of the second fixing piece are respectively arranged with fitting groove,
The second ball bearing is provided in fitting groove, the rear end of the second screw nipple 13 is inserted into the second ball bearing；
The control mechanism includes at least two position sensors, is symmetrically fixed at the inside of two groups of fixed frames 5, is used
In the location information of detection level-one dust collection mechanism 3, control mechanism is fed back to, and then control the positive and negative rotation of driving motor 1, realize one
The reciprocating motion of grade dust collection mechanism 3；
The cleaner further includes two groups of wind turbines 16, before two groups of wind turbines 16 are separately mounted to 2 bottom end of assembling stand
Side and rear side, the outlet that the inlet scoop of wind turbine 16 passes through air draft pipe 17 and dust collection mechanism 3；
The secondary purification mechanism 15 is fixed at the outside of the first fixing piece comprising shell, the shell pass through more
Hole isolation board is divided into the first purify cavity and the second purify cavity, and the first purify cavity is equipped with air inlet, the row of the air inlet and wind turbine
Air port is connected to, and the first porous adsorbing medium is equipped in the first purify cavity, and the second porous adsorbing medium is equipped in the second purify cavity, the
One, the material of the second porous adsorbing medium differs；Second purify cavity is equipped with gas outlet, the net that gas outlet passes through stainless steel
Shape separator is communicated with air；
First fixing piece, 11 and second fixing piece, 14 bottom is equipped with sliding slot along its length；
The driving motor 1, wind turbine 16 and position sensor are electrically connected with control mechanism.
Specific to the present embodiment, the control mechanism uses PLC controller.
In the present embodiment, the dust collection mechanism 3 is process using stainless steel, including shell, the surrounding of shell are leaned on
Top is arranged with the netted air-inlet grille of double-layer stainless steel, and air-inlet grille interlayer is fixed with multi-layered filtering element knot close to interior air-inlet grille
Structure, spacing between multi-layered filtering element structure and external admission grid are not less than 3cm, usually select 5-10cm, housing bottom be located at into
Taper dust reclaiming chamber is equipped with below gas grid, dust reclaiming chamber chamber is clamped with shell.
As a preferred solution, efficiency of dust collection is improved, the dust collection mechanism 3 is equipped with two groups, is symmetrically set in the first biography
The bottom surface of dynamic band 7 both sides along its length.
Specific to the present embodiment, in order to realize better air purification effect, the front and rear sides of the level-one dust collection mechanism 3
Also it is rotatably connected to vibration hammer 31, in 3 reciprocatory movement of level-one dust collection mechanism, vibration hammer 31 beats level-one using its inertia and inhales
Dirt mechanism 3 is recycled to dust reclaiming chamber convenient for dust.
The beneficial effects of the invention are as follows：Beneficial effects of the present invention are compared with prior art：Setting through the invention,
Driving motor 1 drives rotation axis rotation via the second driving belt 8, while driving the rotation of the first driving belt 7, to drive one
Grade dust collection mechanism 3 moves back and forth along its length, realizes the airborne dust Dynamic Adsorption to each region；The present invention use when by with it is pre-
The sliding rail cooperation being first arranged, convenient, flexible its position of adjusting of realization, better dust removal effect relatively low using limitation, practicability are good.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, on the premise of not exceeding the technical scheme recorded in the claims also other variations and modifications.
Claims (5)
1. multiple-effect dust work area air purifying mechanism, including control mechanism, driving motor (1), assembling stand (2) and at least one set
Level-one dust collection mechanism (3) and at least one set of secondary purification mechanism (15), the control mechanism and driving motor (1) are fixed at dress
Upper surface with seat (2), level-one dust collection mechanism (3) are set to below assembling stand (2), which is characterized in that the air purifying mechanism
Further include two groups of fixed frames (5), two groups of rotating rollers (6), the first transmission belt (7), the second transmission belt (8), two group of first screw thread company
Extension bar (9), two group of first screw nipple (10), the first fixing piece (11), two group of second whorl brace rod (12), two group second
Screw nipple (13) and the second fixing piece (14), fixed frame (5) are arranged along assembling stand (2) both sides width direction respectively, fixed
Frame (5) is additionally provided with two groups of pilot holes, and the assembly side of rotating roller passes through two groups of pilot holes to be rotatablely connected with fixed frame (5), and first
Transmission belt (7) is sheathed on two groups of rotating rollers (6), and the top of the level-one dust collection mechanism passes through connecting rod (4) and the first transmission
The bottom surface of band (7) is fixedly connected, and the output end of the driving motor (1) is provided with drive shaft, and the two of second transmission belt (8)
End is sheathed on respectively in drive shaft and a wherein rotation axis, the rear end of two group of first whorl brace rod (9) respectively with assembling stand
(2) left side wall is fixedly connected, and the front end of two group of first whorl brace rod plugs and is screw-coupled to two group of first screw thread respectively to be connected
(10) inside is taken over, the both sides of the first fixing piece (11) side wall are respectively arranged with fitting groove, first is provided in the fitting groove
The front end of ball bearing, the first screw nipple (10) is inserted into respectively in the first ball bearing, two group of second whorl brace rod
(12) front end is fixedly connected with assembling stand (2) right side wall respectively, and the rear end of two group of second whorl brace rod plugs respectively and spiral shell
It is connected to the inside of two group of second screw nipple, the both sides of the second fixing piece (14) side wall are respectively arranged with fitting groove, fitting groove
It is inside provided with the second ball bearing, the rear end of the second screw nipple is inserted into the second ball bearing；
The control mechanism includes at least two position sensors, is symmetrically fixed at the inside of two groups of fixed frames (5), is used for
The location information for detecting level-one dust collection mechanism (3) feeds back to control mechanism, and then controls the positive and negative rotation of driving motor (1), realizes
The reciprocating motion of level-one dust collection mechanism (3)；
The cleaner further includes two groups of wind turbines (16), and two groups of wind turbines (16) are separately mounted to assembling stand (2) bottom end
Front side and rear side, the outlet that the inlet scoop of wind turbine (16) passes through air draft pipe (17) and dust collection mechanism (3)；
The secondary purification mechanism (15) is fixed at the outside of the first fixing piece (11) comprising shell, the shell pass through
Porous isolation board is divided into the first purify cavity and the second purify cavity, and the first purify cavity is equipped with air inlet, the air inlet and wind turbine
Exhaust outlet is connected to, and the first porous adsorbing medium is equipped in the first purify cavity, the second porous adsorbing medium is equipped in the second purify cavity,
The material of first, second porous adsorbing medium differs；Second purify cavity is equipped with gas outlet, and gas outlet passes through stainless steel
Netted separator is communicated with air；
First fixing piece (11) and the second fixing piece (14) bottom are equipped with sliding slot along its length；
The driving motor (1), wind turbine (16) and position sensor are electrically connected with control mechanism.
2. multiple-effect dust work according to claim 1 area air purifying mechanism, it is characterised in that：The control mechanism is adopted
Use PLC controller.
3. multiple-effect dust work according to claim 1 area air purifying mechanism, it is characterised in that：The level-one vacuum cleaner
Structure (3) is process using stainless steel, including shell, and the top part of surrounding of shell is equipped with the netted air inlet of double-layer stainless steel
Grid, air-inlet grille interlayer are fixed with multi-layered filtering element structure, multi-layered filtering element structure and external admission grid close to interior air-inlet grille
Between spacing be not less than 3cm, housing bottom, which is located at below air-inlet grille, is equipped with taper dust reclaiming chamber, dust reclaiming chamber chamber and
Shell is clamped.
4. multiple-effect dust work according to claim 3 area air purifying mechanism, it is characterised in that：The level-one vacuum cleaner
Structure (3) is equipped with two groups, is symmetrically set in the both sides of the bottom surface of the first transmission belt (7) along its length.
5. multiple-effect dust work according to claim 31 area air purifying mechanism, it is characterised in that：The level-one dust suction
The front and rear sides of mechanism (3) are also rotatably connected to vibration hammer (31), in level-one dust collection mechanism (3) reciprocatory movement, vibration hammer
(31) level-one dust collection mechanism (3) is beaten using its inertia, dust reclaiming chamber is recycled to convenient for dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810339530.7A CN108452598A (en) | 2018-04-16 | 2018-04-16 | Multiple-effect dust work area air purifying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810339530.7A CN108452598A (en) | 2018-04-16 | 2018-04-16 | Multiple-effect dust work area air purifying mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108452598A true CN108452598A (en) | 2018-08-28 |
Family
ID=63235668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810339530.7A Pending CN108452598A (en) | 2018-04-16 | 2018-04-16 | Multiple-effect dust work area air purifying mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108452598A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204853752U (en) * | 2015-08-04 | 2015-12-09 | 邵素英 | Home -use air purifier |
| CN206355748U (en) * | 2016-11-21 | 2017-07-28 | 江苏双盛医疗器械有限公司 | A kind of sterile air clarifier |
| CN206700949U (en) * | 2017-04-26 | 2017-12-05 | 临沂市天洁净化工程有限公司 | A kind of portable air self-purifier |
| CN206730734U (en) * | 2017-04-28 | 2017-12-12 | 浙江斯科能科技股份有限公司 | A kind of industrial energy saving emission reduction formula fume purifier |
| CN107803080A (en) * | 2017-11-08 | 2018-03-16 | 当涂县科辉商贸有限公司 | A kind of emission measurement device |
-
2018
- 2018-04-16 CN CN201810339530.7A patent/CN108452598A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204853752U (en) * | 2015-08-04 | 2015-12-09 | 邵素英 | Home -use air purifier |
| CN206355748U (en) * | 2016-11-21 | 2017-07-28 | 江苏双盛医疗器械有限公司 | A kind of sterile air clarifier |
| CN206700949U (en) * | 2017-04-26 | 2017-12-05 | 临沂市天洁净化工程有限公司 | A kind of portable air self-purifier |
| CN206730734U (en) * | 2017-04-28 | 2017-12-12 | 浙江斯科能科技股份有限公司 | A kind of industrial energy saving emission reduction formula fume purifier |
| CN107803080A (en) * | 2017-11-08 | 2018-03-16 | 当涂县科辉商贸有限公司 | A kind of emission measurement device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210847308U (en) | Surface dust removal device used in ceramic tile production process | |
| CN111282818B (en) | Rice processing selection by winnowing edulcoration equipment | |
| CN208465407U (en) | A kind of cyclone dust collectors of high dust removal efficiency | |
| CN105709519A (en) | One-machine bag type dust collector | |
| CN108421317A (en) | Mobile air purifying vehicle | |
| CN203842436U (en) | Wall type dust remover | |
| CN108452598A (en) | Multiple-effect dust work area air purifying mechanism | |
| CN209679716U (en) | A kind of deduster with dual cavity | |
| CN117018800A (en) | Energy-saving control device and method for environmental protection equipment | |
| CN108435706A (en) | Mobile dedusting car | |
| CN208083313U (en) | A kind of bearing forging equipment with cleaning function | |
| CN206567110U (en) | A kind of high efficiency cyclonic dust collector | |
| CN205796774U (en) | A kind of miniature energy-saving dust arrester | |
| CN214345120U (en) | Industrial dust collector with quick cleaning filter cartridge structure | |
| CN108787682A (en) | Rail mounted cleaner for catalyst processing dust processing | |
| CN205323462U (en) | Air dust cleaner | |
| CN204522560U (en) | A kind of portable sack cleaner | |
| CN209530351U (en) | Mobile cloth bag vacuum cleaner | |
| CN107019977A (en) | Dust removal unit | |
| CN204872899U (en) | Suction -type cereal gathering machine | |
| CN108554783A (en) | Intermittent tea leaf vibration screening plant with dedusting function | |
| CN104759179A (en) | A water bath dust removing device used for spinning | |
| CN219009344U (en) | Dust suppression device for coal screening and crushing | |
| CN1300454C (en) | Dust cleaning apparatus for locomotive air filter | |
| CN204352714U (en) | A kind of industrial dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180828 |
|
| RJ01 | Rejection of invention patent application after publication |