CN206881365U - Dedusting mechanism and integrated fume processing unit - Google Patents
Dedusting mechanism and integrated fume processing unit Download PDFInfo
- Publication number
- CN206881365U CN206881365U CN201720801880.1U CN201720801880U CN206881365U CN 206881365 U CN206881365 U CN 206881365U CN 201720801880 U CN201720801880 U CN 201720801880U CN 206881365 U CN206881365 U CN 206881365U
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- China
- Prior art keywords
- housing
- transfer roller
- filter cloth
- dedusting mechanism
- scraper plate
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- Expired - Fee Related
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- Filtering Of Dispersed Particles In Gases (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model provides a kind of dedusting mechanism, it includes bottom and installs standoff housing, gas approach and exhanst gas outlet are respectively equipped with two opposite ends of housing, exhaust gases passes are formed between gas approach and exhanst gas outlet, rotated at the top of housing and be provided with upper transfer roller, rotated on the support of housing bottom and be provided with lower transfer roller, rotary damper is provided with upper transfer roller, and it is wound with filter cloth on upper transfer roller, one end of filter cloth is from top to bottom crossed housing and exhaust gases passes and is wound on lower transfer roller, and the motor for driving lower transfer roller rotation is provided with lower transfer roller；The dedusting mechanism also including the scraper plate close to the setting of the side of gas approach in the housing, is also equipped with, in the ash discharging hole of the recessed arrangement of housing bottom, valve being provided with ash discharging hole below scraper plate.The utility model additionally provides a kind of integrated fume processing unit of the application dedusting mechanism.Dedusting mechanism described in the utility model can carry out dust removal process to flue gas, and have preferable practicality.
Description
Technical field
Technical field of environment protection equipment is the utility model is related to, more particularly to a kind of dedusting mechanism.The utility model further relates to
A kind of integrated fume processing unit of the application dedusting mechanism.
Background technology
With the fast development of China's economy, the NOx and SO2 of discharged from coal-fired boiler also constantly increase, by coal burning institute
85%, the NOx that the SO2 of release accounts for total release accounts for the 60% of total release, and the acid rain amount caused by the two accounts for total acid rainfall
82%, and pointed out according to relevant research, China's economic loss approximate number trillion yuan caused by discharging SO2 and NOx every year.At present, exist
Waited by absorbing, aoxidizing or reduce and filter or adsorb being substantially in terms of the desulphurization and denitration, demercuration and dedusting of flue gas
What journey was completed.Mercurous dust in flue gas can be made by the physical filtering to flue gas and chemistry redox reaction, and sulfur-bearing,
Waste gas containing nitre obtains removal largely, to cause fume emission to meet relevant criterion, reduces the injury to caused by environment.
In existing flue gas ash removal demercuration and desulfuring and denitrifying apparatus, typically remove mercurous dust and use sack cleaner more,
For desulphurization denitration process then using treating column is absorbed, handled using lime white treatment fluid etc..But, for existing cloth
Bag dust collector, because it need to frequently change filter bag, and the lasting progress of dedusting operation can be influenceed, and use positive-pressure back blowing mode
To carry out regular automatically cleaning to dust-removal cloth-bag, then because it can make it that the structure of dust arrester is complex, without convenient to carry out.
Utility model content
In view of this, the utility model is directed to one kind, with can carry out dust removal process to flue gas, and can overcome existing
There is the deficiency of cleaner in fume treatment auxiliary.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of dedusting mechanism, to carry out dust removal process to flue gas, it is characterised in that：The dedusting mechanism is provided with including bottom
The housing of support, it is hollow in housing and be respectively equipped with gas approach and exhanst gas outlet in two opposite ends of housing, in gas approach
Exhaust gases passes are formed between exhanst gas outlet, is rotated at the top of housing and is provided with upper transfer roller, rotated on the support of housing bottom
Provided with lower transfer roller, rotary damper is provided with upper transfer roller, and filter cloth is wound with upper transfer roller, one end of filter cloth is by upper
Housing and exhaust gases passes are crossed under and are wound on lower transfer roller, and the electricity for driving lower transfer roller rotation is provided with lower transfer roller
Machine；
The filter cloth crossing in housing because forming the horizontal filtering surface in exhaust gases passes, the dedusting mechanism
Also including the scraper plate close to the setting of the side of gas approach in the housing, scraper plate rotates arrangement, and connects between housing and scraper plate
Being connected to makes one end of scraper plate be installed in spring on filter cloth end face, is also equipped with below scraper plate in the recessed cloth of housing bottom
The ash discharging hole put, valve is installed in ash discharging hole.
Further, the side of exhanst gas outlet is provided with support roller, the outer peripheral face of the support roller in housing
It is connected on filter cloth, and makes the filter cloth that there is the protrusion to gas approach side with the position that scraper plate abuts against.
Further, the elastic packing block being connected on filter cloth end face is provided with the position that housing connects with filter cloth.
Further, gas approach and exhanst gas outlet are connected by tapered changeover portion with the exhaust gases passes.
Further, the sleeve pipe for being provided at both ends with shoulder block, the filter cloth are respectively installed with upper transfer roller and lower transfer roller
It is wrapped on the sleeve pipe between the shoulder block of both sides.
Relative to prior art, the utility model has the advantage that：
Dedusting mechanism of the present utility model by filter cloth in dedusting mechanism cross exhaust gases passes formed filtering surface, and via
Motor driven can be via the movement of filter cloth, and realizes and the filter cloth for forming filtering surface is replaced automatically, and this is compared to existing
Have change filter cloth bag mode it is more simple, and will not on dedusting operation continue to carry out bring influence.In addition, in filter cloth
In moving process, effect is scraped by scraper plate, the mercurous dust adsorbed on filter cloth end face can fall into ash discharging hole, and this also may be used
It is easy to subsequently to the cleaning treatment of filter cloth, and has preferable practicality.
Another object of the present utility model is to propose a kind of integrated fume processing unit, and it includes being connected with smoke exhaust pipe
The dedusting mechanism as described above connect, and circulating absorption tower, blower fan and the chimney being connected successively with the dedusting mechanism.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of the desulfurization denitration demercuration integrated fume processing unit described in the utility model embodiment
Figure；
Fig. 2 be the utility model embodiment described in processing unit in dedusting mechanism structural representation；
Fig. 3 is the partial enlarged drawing of part A in Fig. 2；
Fig. 4 be the utility model embodiment described in processing unit in circulating absorption tower structural representation；
Fig. 5 is the structural representation of the first shower described in the utility model embodiment；
Description of reference numerals：
1- supports, 2- housings, 3- gas approach, 41- smoke input chambers, 42- smoke output chambers, 5- exhanst gas outlets, 6- barometers, 7- mistakes
Filter cloth, 8- sleeve pipes, the upper transfer rollers of 9-, 10- sleeve pipes, 11- motors, 12- elastic packing blocks, 13- elastic packing blocks, 14- elastic packings
Block, 15- elastic packing blocks, 16- ash discharging holes, 17- valves, 18- support rollers, 19- swash plates, 20- scraper plates, 21- drive-connecting shafts, 22- bullets
Spring, 23- tower bodies, 24- tanks, 25- blast pipes, 251- water removal sections, 26- observation panels, 27- access holes, 28- air inlets, 29- rows
Liquid mouth, 30- helix tubes, 31- escape pipes, the showers of 32- first, 321- shower nozzles, 33- packing layers, the showers of 34- second, 35- are removed
Day with fog, 36- water pumps, 37- circulation pipes, 38- lime white feed tubes, 39- ozone generating apparatus, 40- ozone inlet pipes, 41- drainpipes,
42- valves, 100- smoke exhaust pipes, 200- dedusting mechanisms, 300- circulating absorption towers, 400- blower fans, 500- chimneys.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The present embodiment is related to a kind of dedusting mechanism, at the same the present embodiment further relate to a kind of application have the dedusting mechanism to cigarette
Gas carries out the integrated fume processing unit of desulfurization denitration demercuration and dust removal process, is preferably to the dust removal machine in the present embodiment
The structure and its use state of structure illustrate, the description of the dedusting mechanism concrete structure will be interspersed in the present embodiment this one
In the structure explanation of body flue gas processing device.Certainly, at this it should be noted that being removed in the integrated fume processing unit
Other structures outside dirt mechanism, in addition to it can be structure as described below, it can also use other structures form.
Specifically, as shown in fig. 1, the processing unit generally comprises the dedusting mechanism being sequentially connected with smoke exhaust pipe 100
200th, circulating absorption tower 300 and blower fan 400 and chimney 500.Wherein, dedusting mechanism 200 is used to carry out physics dedusting, to filter cigarette
Dust in gas, and adsorbed to adsorbing the particulate Hg in dust, flying dust.By ozone by cigarette in circulating absorption tower 300
Monovalent mercury oxidation in gas is bivalent mercury, while the NO in flue gas is oxidized into NO2, then again by lime white treatment fluid to cigarette
Sulfur dioxide, bivalent mercury and NO in gas2Absorbed, the purified treatment to flue gas is realized with this.In decontamination process,
Blower fan 400 provides the kinetic energy to advance for flue gas, and chimney 500 is then used for the high altitude discharge of flue gas after handling, after causing processing
Flue gas sufficiently can be scattered in air.
Blower fan 400 in the present embodiment uses the resin-case and resin fan blade of anti-corrosion treatment, likewise, chimney 500
Also it is made of resin material.And for dedusting mechanism 200, shown in Fig. 2 combinations Fig. 3, it includes bottom and supported by support 1
Housing 2, the inner hollow of housing 2, be respectively arranged with gas approach 3 and exhanst gas outlet 5 in two opposite ends of housing 2, flue gas goes out
The section of mouth 5 is slightly less than gas approach, leads between gas approach 3 and exhanst gas outlet 5 formed with the flue gas in housing 2
Road.
Dedusting mechanism 200 in the present embodiment also includes the upper transfer roller 9 for being arranged at the top of housing 2, and upper transfer roller 9, which rotates, to be set
On housing 2, sleeve pipe 8 is set with upper transfer roller 9, filter cloth 7 is then wound with sleeve pipe 8.One end of filter cloth 7 is from top to bottom
Housing 2 is crossed, while is also equipped with rotating the lower transfer roller of arrangement on the support 1 of the bottom of housing 2, is equally set with lower transfer roller
Sleeve pipe 10, filter cloth are worn to one end of the bottom of housing 2 and are wrapped on the sleeve pipe 10.
Shoulder block is respectively arranged with the present embodiment at the both ends of sleeve pipe 8 and sleeve pipe 10, filter cloth is wrapped in both sides shoulder block
Between sleeve portion, winding of the filter cloth 7 on sleeve pipe 8 and sleeve pipe 10 can be easy to by the setting of shoulder block, and by upper
Tubing 8 and sleeve pipe 10 are covered on transfer roller 9 and lower transfer roller, handling of the filter cloth 7 on two transfer rollers can be easy to, to change filter cloth
7.Certainly, except setting sleeve pipe, it also may be such that filter cloth 7 is directly wound on transfer roller 9 and lower transfer roller.
Motor 11 is also installed, the output shaft of motor 11 passes through shaft coupling on the support 1 in the present embodiment at lower transfer roller
It is connected with lower transfer roller, with this lower transfer roller can be driven to drive sleeve pipe 10 to rotate, with the rotation of sleeve pipe 10, filter cloth 7 will be drawn
Move so as to which basipetal movement can be realized.In filter cloth 7 when pulled, upper transfer roller 9 can be with rotation, now for cause horizontal stroke
The filter cloth 7 being through in housing 2 is flattened state, rotary damper is also equipped with upper transfer roller 9, rotary damper is using existing
There is structure, via the setting of the rotary damper, the rotation of upper transfer roller can be controlled, to avoid it with filter cloth
7 inordinate rotations, and cause filter cloth 7 to show relaxed state.
Filter cloth 7 crossing in housing 2 because forming the horizontal filtering surface in exhaust gases passes in the present embodiment, flue gas
By having to pass through the filter cloth 7 during exhaust gases passes, the physical filtering to flue gas is achieved in.Because of filter cloth 7 in housing 2
It is horizontal and form the smoke input chamber 41 close to the side of gas approach 3, and the smoke output chamber close to the side of exhanst gas outlet 5
42, smoke input chamber 41 and smoke output chamber 42 are respectively at the both sides of filter cloth 7, meanwhile, between gas approach 3 and smoke input chamber 41, and
It is connected between exhanst gas outlet 5 and smoke output chamber 42 also by the changeover portion of taper, the taper changeover portion of the side of gas approach 3 is set
Put and may be such that flue gas is more scattered in smoke input chamber 41, in favor of filtering of the filter cloth 7 to flue gas, the mistake of the side of exhanst gas outlet 5
Cross Duan Zeke and be beneficial to subsequent flowing of the flue gas from the outlet of dedusting mechanism 200.
Position distribution in the present embodiment in smoke input chamber 41 and smoke output chamber 42 is provided with barometer 6, and dedusting mechanism 200 is run
In pass through the operation of the differential pressure controlled motor 11 of both sides barometer 6.Exceed setting value when the differential pressure of both sides barometer 6 is larger
When, just motor 11 is rotated, so that filter cloth 7 moves, and realize the replacing of the filter cloth 7 to forming filtering surface.
During filter cloth 7 moves, for ease of the subsequently cleaning to filter cloth 7, in smoke input chamber 41 in the present embodiment
Inside be additionally provided with and rotate arrangement and the scraper plate 20 that is connected on the end face of filter cloth 7, at the same be also equipped with the bottom of smoke input chamber 41 to
Under recessed arrangement exhaust opening 16, valve 17 is installed on exhaust opening 16.Particularly, scraper plate 20 is to be connected to by drive-connecting shaft 21
Extend on the swash plate 19 inside smoke input chamber 41, swash plate 19 tilts to the side of filter cloth 7, and drive-connecting shaft 21 is located at the top of swash plate 19
End, it is also associated with applying elastic force to scraper plate 20 between swash plate 19 and scraper plate 20, so that scraper plate 20 is connected to the end face of filter cloth 7
On spring 22, the spring 22 uses extension spring, and certain spring 22 can also use and be arranged on the torsion spring on the top of swash plate 19.
, can be on the end face of filter cloth 7 during filter cloth 7 moves down by the setting of scraper plate 20 in the present embodiment
The dust of absorption is scraped, and the dust scraped is entered in exhaust opening 16 by swash plate 19, is then periodically opened valve 17 and is discharged
Dust.Preferably enter ash discharging hole 16 to help the dust on filter cloth 7, be additionally provided with the present embodiment in housing 2
Support roller 18, support roller 18 are located at the side of smoke output chamber 42, and abutted against with filter cloth 7 and cause on filter cloth 7 with the phase of scraper plate 20
The position of contact has the protrusion to the side of gas approach 3.The dust for being easy to scrape by protrusion design falls into swash plate
19 and ash discharging hole 16 in.
Support roller 18 drives rotation by the motor outside housing 2, and in order to reduce because of crossing for filter cloth 7 and
Cause housing 2 flue gas leakage occur, be respectively arranged with the present embodiment in the top and bottom of housing 2 and be held on 7 liang of filter cloth
The elastic packing block 12 and elastic packing block 13 of side, two sealing blocks can specifically use rubber or nylon material.Meanwhile to avoid cigarette
Gas is leaked by the gap between filter cloth 7 and the inwall of housing 2 between smoke input chamber 41 and smoke output chamber 42, in housing 2
Both sides on wall positioned at filter cloth are also equipped with elastic packing block 14 and elastic packing block 15, elastic packing block 14 and elastic packing
Block 15 is similarly rubber or nylon material.
As shown in Figure 4, it includes the tower that bottom is provided with tank 24 to the structure of the circulating absorption tower 300 of the present embodiment
Body 23, observation panel 26 is provided with the tower body 23 at the top of tank 24, access hole is provided with the tower body 23 of the side of tank 24
27, it is additionally provided with the leakage fluid dram 29 for discharge opeing in the bottom of tank 24.In addition, it is connected with blast pipe at the top of tower body 24
25, air inlet 28 is also equipped with the tower body 23 of the bottom of tank 24, air inlet 28 passes through on pipeline and dedusting mechanism 200
Exhanst gas outlet 5 is connected.Air inlet 28 is then connected with the helix tube 30 in rising shape in tank 24 in tower body 23.
When circulating absorption tower 300 works, water storage in tank 24 and the big portion of helix tube 30 can be caused to be located at tank
Under 24 liquid level, and the top exit of helix tube 30 is then extended in the tower body 23 of the top of tank 24, and in helix tube 30
Outlet be connected with escape pipe 31 annular in shape and provided with gas outlet.Escape pipe 31 is located at tank 24 when absorption tower works
The top of liquid level, the gas outlet being arranged in addition on escape pipe 31 also are located at the sidepiece of the escape pipe 31 of cyclic structure, and direction
Lower section at the radial center of escape pipe 31, by the above-mentioned setting of gas outlet, treatment fluid can be reduced and entered in escape pipe 31.
The circulating absorption tower 300 of the present embodiment further comprises the ozone generating apparatus 39 outside tower body 23, and
It is arranged in tower body 23, the first shower 32, the shower of packing layer 33 and second being sequentially arranged in the top of escape pipe 31
34, the outlet of ozone generating apparatus 39 is communicated in helix tube 30 by ozone inlet pipe 40, and the first shower 32 is via concatenation water
The circulation pipe 37 of pump 36 is communicated in tank 24, lime white feed tube 38 is then connected with the second shower 34, so that outside
The lime white treatment fluid in portion is sprayed on filler 33 by the second shower 34.
As shown in Figure 5, it is cyclic structure to the structure of the first shower 32 in the present embodiment, is circumferentially had along it more
Individual shower nozzle 321, the structure of the second shower 34 are identical with the first shower 32.Setting by the first shower 32 in the present embodiment
Put, can be by the treatment fluid in tank 24 to the SO in flue gas2And bivalent mercury and NO2Etc. being pre-processed, then again by the
The lime white treatment fluid that two showers 34 spray is handled.Ozone caused by ozone generating apparatus 39 is used for the list in flue gas
Valency mercury oxidation is bivalent mercury, while NO also is oxidized into NO2。
To avoid the moisture that contains in the processing flue gas discharged by circulating absorption tower 300 too big, in tower in the present embodiment
Demister 35 is additionally provided with the top of the second shower 34 in body 23, demister 35 uses existing multi-layer net harden structure just
Can, meanwhile, the water removal section 251 for being bent downwardly arrangement is additionally provided with blast pipe 25, and in the minimum point connection of water removal section 251
There is drainpipe 41, valve 42 is also installed on drainpipe 41.
When in use, flue gas enters dedusting mechanism 200 to the integrated fume processing unit of the present embodiment by smoke exhaust pipe 100
Interior, after the filtering of filter cloth 7, flue gas is entered back into circulating absorption tower 300, in circulating absorption tower 300 flue gas first by
Ozone is aoxidized, and then carries out absorption processing via lime white treatment fluid again, the flue gas after processing by after blower fan 400 by cigarette
Chimney 500 is discharged.In processing procedure, when the barometer 6 of both sides detects that pressure difference is excessive, starting motor 11 makes filter cloth
7 move down the filter cloth 7 changed at filtering surface.
The sleeve pipe for being wound with filter cloth 7 more renewed again after the use of filter cloth 7 on sleeve pipe 8, and by making
New filter cloth 7 is directed across housing 2 by filter cloth 7.In addition, with the progress of processing procedure, in circulating absorption tower 300
Tank 24 in treatment fluid constantly discharged via leakage fluid dram 29, now for the benefit of in tank 24 treatment fluid discharge, can
Gas blender is set in the bottom of tank 24, meanwhile, also clear water can be filled into tank 24 according to being actually needed, to carry
The effect that high first shower 32 pre-processes.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (6)
- A kind of 1. dedusting mechanism, to carry out dust removal process to flue gas, it is characterised in that：The dedusting mechanism is provided with branch including bottom The housing of frame, it is hollow in housing and be respectively equipped with gas approach and exhanst gas outlet in two opposite ends of housing, in gas approach and Exhaust gases passes are formed between exhanst gas outlet, is rotated at the top of housing and is provided with upper transfer roller, rotated and set on the support of housing bottom There is lower transfer roller, rotary damper is provided with upper transfer roller, and filter cloth is wound with upper transfer roller, one end of filter cloth is by up to Under cross housing and exhaust gases passes and be wound on lower transfer roller, and be provided with lower transfer roller the motor for driving lower transfer roller rotation；Because forming the horizontal filtering surface in exhaust gases passes crossing in housing, the dedusting mechanism also wraps the filter cloth Include close to the side of gas approach and scraper plate in the housing is set, scraper plate rotates arrangement, and is connected between housing and scraper plate One end of scraper plate is installed in spring on filter cloth end face, be also equipped with below scraper plate in the recessed arrangement of housing bottom Ash discharging hole, valve is installed in ash discharging hole.
- 2. dedusting mechanism according to claim 1, it is characterised in that：Set in housing close to the side of exhanst gas outlet There is support roller, the outer peripheral face of the support roller is connected on filter cloth, and the filter cloth is had with the position that scraper plate abuts against The protrusion of oriented gas approach side.
- 3. dedusting mechanism according to claim 2, it is characterised in that：It is provided with and abuts with the position that filter cloth connects in housing Elastic packing block on filter cloth end face.
- 4. dedusting mechanism according to claim 3, it is characterised in that：Gas approach and exhanst gas outlet are by tapered Changeover portion is connected with the exhaust gases passes.
- 5. dedusting mechanism according to claim 4, it is characterised in that：Both ends are respectively installed with upper transfer roller and lower transfer roller The sleeve pipe of shoulder block is provided with, the filter cloth is wrapped on the sleeve pipe between the shoulder block of both sides.
- A kind of 6. integrated fume processing unit, it is characterised in that：Including being connected with smoke exhaust pipe as in claim 1 to 5 Dedusting mechanism described in any one, and circulating absorption tower, blower fan and the chimney being connected successively with the dedusting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801880.1U CN206881365U (en) | 2017-07-05 | 2017-07-05 | Dedusting mechanism and integrated fume processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801880.1U CN206881365U (en) | 2017-07-05 | 2017-07-05 | Dedusting mechanism and integrated fume processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206881365U true CN206881365U (en) | 2018-01-16 |
Family
ID=61298522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720801880.1U Expired - Fee Related CN206881365U (en) | 2017-07-05 | 2017-07-05 | Dedusting mechanism and integrated fume processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206881365U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744781A (en) * | 2018-06-27 | 2018-11-06 | 迦南(福建)新材料科技有限公司 | Weaving cotton-wool purification recovery device |
| CN111569551A (en) * | 2020-06-24 | 2020-08-25 | 郑州师范学院 | Self-cleaning air inlet filtering mechanism without stopping filtering for cable tunnel and decontamination method thereof |
| CN111604587A (en) * | 2020-05-29 | 2020-09-01 | 温州大学 | Fume extractor of laser cutting machine |
| CN112156576A (en) * | 2020-10-09 | 2021-01-01 | 河南博清大气治理设计研究院有限公司 | Air purifying device |
| CN112221267A (en) * | 2020-10-10 | 2021-01-15 | 河南博清大气治理设计研究院有限公司 | Desulfurizing tower with air primary filter device |
| CN114561537A (en) * | 2022-02-26 | 2022-05-31 | 洛南环亚源铜业有限公司 | Metal smelting edulcoration filter equipment |
-
2017
- 2017-07-05 CN CN201720801880.1U patent/CN206881365U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744781A (en) * | 2018-06-27 | 2018-11-06 | 迦南(福建)新材料科技有限公司 | Weaving cotton-wool purification recovery device |
| CN111604587A (en) * | 2020-05-29 | 2020-09-01 | 温州大学 | Fume extractor of laser cutting machine |
| CN111604587B (en) * | 2020-05-29 | 2022-02-15 | 温州大学 | Fume extractor of laser cutting machine |
| CN111569551A (en) * | 2020-06-24 | 2020-08-25 | 郑州师范学院 | Self-cleaning air inlet filtering mechanism without stopping filtering for cable tunnel and decontamination method thereof |
| CN111569551B (en) * | 2020-06-24 | 2022-08-05 | 郑州师范学院 | Self-cleaning air inlet filtering mechanism without stopping filtering for cable tunnel and decontamination method thereof |
| CN112156576A (en) * | 2020-10-09 | 2021-01-01 | 河南博清大气治理设计研究院有限公司 | Air purifying device |
| CN112221267A (en) * | 2020-10-10 | 2021-01-15 | 河南博清大气治理设计研究院有限公司 | Desulfurizing tower with air primary filter device |
| CN114561537A (en) * | 2022-02-26 | 2022-05-31 | 洛南环亚源铜业有限公司 | Metal smelting edulcoration filter equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20200705 |