CN113694662A - Dust fall and removal equipment for metal powder processing - Google Patents
Dust fall and removal equipment for metal powder processing Download PDFInfo
- Publication number
- CN113694662A CN113694662A CN202110841203.3A CN202110841203A CN113694662A CN 113694662 A CN113694662 A CN 113694662A CN 202110841203 A CN202110841203 A CN 202110841203A CN 113694662 A CN113694662 A CN 113694662A
- Authority
- CN
- China
- Prior art keywords
- pipe
- dust
- main treatment
- communicated
- metal powder
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 81
- 239000002184 metal Substances 0.000 title claims abstract description 34
- 238000009700 powder processing Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims description 25
- 238000005086 pumping Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 241000883990 Flabellum Species 0.000 claims description 3
- 239000003651 drinking water Substances 0.000 claims description 3
- 235000020188 drinking water Nutrition 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Landscapes
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention relates to the technical field of dust fall in metal powder processing, and discloses dust fall and removal equipment for metal powder processing, which comprises a pretreatment tank and a main treatment tank, wherein the lower ends of the front side walls of the pretreatment tank and the main treatment tank are mutually communicated through a communicating pipe, the pretreatment tank is provided with a communicated dust suction pipe, the top of the pretreatment tank is communicated with the left side wall of the main treatment tank through a suction pipe, the right side wall of the pretreatment tank is communicated with a mirror-image L-shaped water suction pipe, the water suction pipe is communicated with a water suction pump fixed on the main treatment tank, the upper end of the water suction pipe is communicated with a transverse pipe, the two ends of the transverse pipe respectively penetrate through the pretreatment tank and the main treatment tank, and the transverse pipe is positioned on the outer circular surfaces of the interiors of the pretreatment tank and the main treatment tank and is communicated with a plurality of dust fall components. The invention solves the problems that the traditional metal powder dust collecting equipment is too simple and crude, partial dust overflows, and secondary pollution occurs during transportation.
Description
Technical Field
The invention relates to the technical field of dust fall in metal powder processing, in particular to dust fall and dust removal equipment for metal powder processing.
Background
The metal powder refers to a group of metal particles having a size of less than 1 mm. The powder metallurgy material comprises single metal powder, alloy powder and certain refractory compound powder with metal property, and is a main raw material of powder metallurgy, wherein the metal simple substance is generally silvery white, and when the metal is in a certain condition, the metal is black powder, and most of the metal powder is black.
Can produce a large amount of dusts that send out in metal powder's the processing, these dusts remove and cause great influence to the environment, and more serious is to cause serious injury to staff's respiratory track, and traditional metal powder processing equipment is too crude to the dust collection that overflows, has part to spill from collecting device during its collection, and the dust after collecting also can spill once more when the transport in addition, causes secondary pollution.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides dust settling and removing equipment for metal powder processing, which solves the problems that the traditional metal powder dust collecting equipment is too simple, partial dust overflows, and secondary pollution occurs during carrying.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a dust-settling and dedusting device for metal powder processing comprises a pretreatment box and a main treatment box, wherein the lower ends of the front side walls of the pretreatment box and the main treatment box are mutually communicated through a communicating pipe, the pretreatment box is provided with a communicated dust suction pipe, the top of the pretreatment box is communicated with the left side wall of the main treatment box through a suction pipe, the right side wall of the pretreatment box is communicated with a mirror-image L-shaped water suction pipe, the water suction pipe is communicated with a water suction pump fixed on the main treatment box, the upper end of the water suction pipe is communicated with a transverse pipe, two ends of the transverse pipe penetrate through the inner circular surfaces of the pretreatment box and the main treatment box respectively, and the transverse pipe is positioned on the outer circular surfaces of the inner parts of the pretreatment box and the main treatment box and is communicated with a plurality of dust-settling components;
a rotating spraying piece is arranged in the pretreatment box, the right end of the rotating spraying piece extends out of the pretreatment box and is arranged on the water pumping pipe, a motor is fixed on the side wall of the pretreatment box close to the main treatment box, a rotating shaft which penetrates through one side wall of the main treatment box and is rotatably connected with the other side wall of the main treatment box is fixed on an output shaft of the motor, the outer circular surface of one end of the rotating shaft, which is positioned outside the main treatment box, is in transmission with the rotating spraying piece through a belt wheel, and a fan blade and a plurality of groups of fan plates are fixed on the outer circular surface of the rotating shaft, which is positioned inside the main treatment box;
the top of the main treatment box is provided with a purification outlet.
Preferably, the dust fall part comprises a spray pipe communicated with the transverse pipe, a spray head is arranged at the water outlet end of the spray pipe, two symmetrical arc frames are fixed on the outer circular surface of one end of the spray pipe, a circular plate is fixed at the top ends of the two arc frames, and a reflecting block with a concave surface is arranged at the bottom of the circular plate.
Preferably, the rotating spraying piece comprises a rotating rod which is rotatably arranged on the left side wall of the pretreatment tank, an oval ring pipe is fixed at the right end of the rotating rod, a plurality of atomizing spray heads are arranged on the circular surface of the oval ring pipe, the circular surface of the right end of the oval ring pipe is communicated with a connecting pipe, and the right end of the connecting pipe penetrates through the right end of the pretreatment tank and is rotatably arranged on a water pumping pipe through a joint and is communicated with the water pumping pipe.
Preferably, the dust extraction pipe is provided with an exhaust fan for sucking air into the pretreatment box, one end of the dust extraction pipe is arranged on metal powder processing equipment through a dust hood, and dust generated in the equipment during processing completely enters the pretreatment box through suction.
Preferably, the purification outlet comprises an air outlet pipe communicated with the top of the main treatment box, two layers of dust filtering nets are arranged between the inner walls of the air outlet pipe, and an activated carbon adsorption layer is filled between the two layers of dust filtering nets.
Preferably, the two belt wheels are respectively sleeved on the connecting pipe and the rotating shaft and are connected through a belt.
Each group of fan plates is six in number, and each fan plate is provided with an inwards concave airflow guide surface with an arc angle.
Preferably, the fan direction of the fan blades faces the position of the fan plate, and the fan plate is used for guiding the suction pipe into the main treatment box to treat dust and disperse the dust more uniformly.
(III) advantageous effects
Compared with the prior art, the invention provides dust settling and removing equipment for metal powder processing, which has the following beneficial effects:
1. according to the invention, the dust can be effectively inhibited from flying around by the arranged wet dust fall mode, the effective dust prevention and suppression effect is realized by wetting the dust in the air, and the dust during production directly enters the pretreatment box along the high-speed flowing air flow through the exhaust fan, so that the dust is prevented from overflowing from the gap of the processing equipment, and the dust removal effect on the production equipment is completed.
2. According to the invention, the rotatable connecting pipe is arranged, the oval ring pipe can be kept in a rotating state under the driving of the belt wheel, the spraying coverage area is increased under the action of the plurality of atomizing nozzles, and the dust falling effect on the entering dust can be realized.
3. According to the invention, the spray nozzles on the spray pipes spray water on the reflection blocks, the reflection blocks with the arc-shaped concave parts can disperse water, and the water is sprayed to the periphery completely at three hundred and sixty degrees.
4. The invention arranges the fan blades at the left side inside the main processing box, when the airflow is incited, the dust airflow of the less doped part entering the main processing box by the suction pipe flows to the position of the fan blades along with the incitation of the fan blades, and the fan blades are incited upwards to contact the water mist sprayed by the reflection blocks to realize complete dust fall.
5. Through the indent air current guide surface that has the arc angle of seting up on the fan board lateral wall, the cooperation flabellum incites the air current, disturbs the direction of air current for the air current disperses more in the inside of main treatment case, accomplishes thorough dust fall of soaking through the sewage that sprays, and the setting of top can carry out final purification to the gas that will get rid of on the activated carbon layer in the middle of the filter screen, blocks water smoke in addition inside the main treatment case, accomplishes purification treatment.
Drawings
FIG. 1 is a cross-sectional view of a dust settling and removing apparatus for processing metal powder according to the present invention;
FIG. 2 is a front view of a dust settling and removing apparatus for processing metal powder according to the present invention;
FIG. 3 is a front view of the dust reduction assembly of the present invention;
FIG. 4 is an enlarged schematic view of FIG. 1 at A according to the present invention;
fig. 5 is a side view of the fan blade of the present invention engaged with a rotating shaft.
In the figure: 1 preliminary treatment case, 2 main treatment cases, 3 take out dirt pipe, 4 suction pipes, 5 drinking-water pipes, 6 suction pumps, 7 violently pipes, 8 dust fall parts, 81 spray pipes, 82 shower nozzles, 83 arc frame, 84 plectanes, 85 reflection block, 9 rotate spray member, 91 bull stick, 92 oval ring pipe, 93 atomizer, 94 connecting pipe, 10 motors, 11 pivots, 12 band pulleys, 13 flabellums, 14 fan boards, 15 purification exports, 151 outlet duct, 152 dirt filtrating screen, 153 active carbon adsorbed layer, 16 air exhauster.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present invention provides a technical solution: a dust settling and removing device for processing metal powder comprises a pretreatment tank 1 and a main treatment tank 2, wherein the lower ends of the front side walls of the pretreatment tank 1 and the main treatment tank 2 are communicated with each other through a communicating pipe, the communicating pipe can enable water in the pretreatment tank 1 and the main treatment tank 2 to be communicated, and the water is kept to be recycled, in addition, a filter screen is arranged on the communicating pipe and at the water inlet end of the water pumping pipe 5 for separating and reducing dust and impurity and dust mixed in water, the pretreatment tank 1 is provided with a communicated dust pumping pipe 3, the top of the pretreatment tank 1 is communicated with the left side wall of the main treatment tank 2 through a suction pipe 4, the right side wall of the pretreatment tank 1 is communicated with a mirror image L-shaped water pumping pipe 5, the water pumping pipe 5 is communicated with a water pumping pump 6 fixed on the main treatment tank 2, the upper end of the water pumping pipe 5 is communicated with a transverse pipe 7 of which two ends respectively penetrate through the pretreatment tank 1 and the main treatment tank 2, the horizontal pipe 7 is positioned on the outer circular surfaces inside the pretreatment tank 1 and the main treatment tank 2 and is communicated with a plurality of dust settling parts 8;
the inner part of the pretreatment box 1 is provided with a rotary spraying part 9, the right end of the rotary spraying part extends out of the pretreatment box 1 and is arranged on a water pumping pipe 5, the pretreatment box 1 is close to the side wall of the main treatment box 2 and is fixed with a motor 10, an output shaft of the motor 10 is fixed with a rotating shaft 11 which penetrates through one side wall of the main treatment box 2 and is rotatably connected with the other side wall of the main treatment box, the outer circular surface of one end of the rotating shaft 11, which is positioned outside the main treatment box 2, is in transmission with the rotary spraying part 9 through a belt wheel 12, the elliptical ring pipe 92 can be kept in a rotating state through the driving of the belt wheel 12, the spraying coverage area is increased by matching the action of a plurality of atomizing nozzles 93, the dust falling effect on the entering dust can be realized, the outer circular surface of the rotating shaft 11, which is positioned inside the main treatment box 2, is fixed with a fan blade 13 and a plurality of groups of fan blades 14, the number of each group of fan blades 14 is six, and each fan blade 14 is provided with an inward concave airflow guide surface with an arc angle, the fan direction of the fan blades 13 faces the position of the fan plate 14 and is used for guiding the suction pipe 4 into the main treatment box 2 to more uniformly disperse dust for treatment, and the side wall of the fan plate 14 is provided with an inwards concave airflow guide surface with an arc angle and is matched with airflow excited by the fan blades 13 to disturb the guidance of the airflow, so that the airflow is more dispersed in the main treatment box 2, and the sprayed sewage is thoroughly soaked and dusted;
the top of the main treatment box 2 is provided with a purification outlet 15, the dust extraction pipe 3 is provided with an exhaust fan 16 which is used for sucking air into the interior of the pretreatment box 1, one end of the dust extraction pipe 3 is arranged on metal powder processing equipment through a dust hood, and dust generated in the interior of the equipment comprehensively enters the interior of the pretreatment box 1 through the action of suction during processing.
The dust fall component 8 comprises a spray pipe 81 communicated with the transverse pipe 7, a spray head 82 is arranged at the water outlet end of the spray pipe 81, two symmetrical arc frames 83 are fixed at the outer circular surface of one end of the spray pipe 81, a circular plate 84 is fixed at the top ends of the two arc frames 83, a reflecting block 85 with a concave surface is arranged at the bottom of the circular plate 84, water is sprayed on the reflecting block 85 through the spray head 82 on the spray pipe 81, the reflecting block 85 with an arc concave inwards can disperse water, and the water is sprayed around in a three hundred sixty degree mode.
Rotate and spray piece 9 and establish bull stick 91 on the left side wall of pretreatment case 1 including rotating, the fixed oval ring pipe 92 of bull stick 91 right-hand member, be equipped with a plurality of atomizer 93 on the oval ring pipe 92 disc, connecting pipe 94 of oval ring pipe 92 right-hand member disc intercommunication, two band pulleys 12 cup joint respectively on connecting pipe 94 and pivot 11, and connect through the belt, connecting pipe 94 right-hand member runs through pretreatment case 1 right-hand member and rotates the setting on drinking-water pipe 5 through the joint, and communicate each other.
The purification outlet 15 comprises an air outlet pipe 151 communicated with the top of the main treatment box 2, two layers of dust filtering nets 152 are arranged between the inner walls of the air outlet pipe 151, and an activated carbon adsorption layer 153 is filled between the two layers of dust filtering nets 152.
The working principle is as follows: when the device works, the dust extraction pipe 3 is connected to processing equipment, the exhaust fan 16, the motor 10 and the water suction pump 6 are started, the exhaust fan 16 sucks dust in the processing equipment into the pretreatment tank 1, the motor 10 drives the rotating shaft 11 to rotate, so that the fan blades 13 and the fan blade plates 14 rotate to work, the connecting pipe 94 and the elliptical ring pipe 92 start to rotate through transmission connection of the two belt wheels 12, and the water in the pretreatment tank 1 is sucked to the water suction pipe 5 by the water suction pump 6 and then is guided to the horizontal pipe 7 and the connecting pipe 94; when dust enters the pretreatment tank 1, the rotating elliptical ring pipe 92 carries a plurality of atomizing nozzles 93 to spray water mist all around in the dust, the nozzles 82 spray the water mist uniformly around the reflection block 85 to cover the dust, the dusted air flow enters the main treatment tank 2 through the suction pipe 4, the fan blades 13 excite the air flow to flow towards the right side of the main treatment tank 2, the fan blades 14 on the right side continue exciting the air flow, the arc-shaped concave surface disturbs the air flow, the water mist sprayed by the nozzles 82 on the upper side is disturbed along with the air flow to fully contact with the air flow, complete dustfall treatment is realized, and the dusted air flow passes through the dust filter 152 and the active carbon adsorption layer 153 to be finally purified and then discharged.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a dust fall dust collecting equipment is used in metal powder processing, includes pretreatment tank (1) and main treatment case (2), and the two front side wall communicates its characterized in that through a communicating pipe each other between the lower extreme: the dust-removing device is characterized in that the pretreatment box (1) is provided with a communicated dust-removing pipe (3), the top of the pretreatment box (1) is communicated with the left side wall of the main treatment box (2) through a suction pipe (4), the right side wall of the pretreatment box (1) is communicated with a mirror-image L-shaped water pumping pipe (5), the water pumping pipe (5) is communicated with a water pumping pump (6) fixed on the main treatment box (2), the upper end of the water pumping pipe (5) is communicated with a transverse pipe (7) of which two ends respectively penetrate into the pretreatment box (1) and the main treatment box (2), and the transverse pipe (7) is positioned on the outer circular surfaces inside the pretreatment box (1) and the main treatment box (2) and is communicated with a plurality of dust-removing components (8);
a rotating spraying piece (9) is arranged inside the pretreatment tank (1), the right end of the rotating spraying piece extends out of the pretreatment tank (1) and is arranged on a water pumping pipe (5), a motor (10) is fixed on the side wall of the pretreatment tank (1) close to the main treatment tank (2), a rotating shaft (11) which penetrates through one side wall of the main treatment tank (2) and is rotatably connected with the other side wall of the main treatment tank is fixed on an output shaft of the motor (10), the outer circular surface of one end, positioned outside the main treatment tank (2), of the rotating shaft (11) is in transmission with the rotating spraying piece (9) through a belt wheel (12), and a fan blade (13) and a plurality of fan plates (14) are fixed on the outer circular surface, positioned inside the main treatment tank (2), of the rotating shaft (11);
the top of the main treatment box (2) is provided with a purification outlet (15).
2. The dust settling and removing equipment for processing the metal powder as claimed in claim 1, which is characterized in that: the dust fall component (8) comprises a spray pipe (81) communicated with the transverse pipe (7), a spray head (82) is arranged at the water outlet end of the spray pipe (81), two symmetrical arc frames (83) are fixed on the outer circular surface of one end of the spray pipe (81), a circular plate (84) is fixed at the top ends of the two arc frames (83), and a reflecting block (85) with a concave surface is arranged at the bottom of the circular plate (84).
3. The dust settling and removing equipment for processing the metal powder as claimed in claim 1, which is characterized in that: rotate and spray piece (9) and establish bull stick (91) on preliminary treatment case (1) left side wall including rotating, fixed oval ring pipe (92) of bull stick (91) right-hand member, be equipped with a plurality of atomizer (93) on oval ring pipe (92) disc, connecting pipe (94) of oval ring pipe (93) right-hand member disc intercommunication, connecting pipe (94) right-hand member runs through preliminary treatment case (1) right-hand member and rotates through the joint and set up on drinking-water pipe (5), and communicate each other.
4. The dust settling and removing equipment for processing the metal powder as claimed in claim 1, which is characterized in that: the dust extraction pipe (3) is provided with an exhaust fan (16) which is used for sucking air into the pretreatment box (1), one end of the dust extraction pipe (3) is arranged on metal powder processing equipment through a dust hood, and dust generated in the equipment during processing completely enters the interior of the pretreatment box (1) through the action of suction.
5. The dust settling and removing equipment for processing the metal powder as claimed in claim 1, which is characterized in that: the purification outlet (15) comprises an air outlet pipe (151) communicated with the top of the main treatment box (2), two layers of dust filtering nets (152) are arranged between the inner walls of the air outlet pipe (151), and an activated carbon adsorption layer (153) is filled between the two layers of dust filtering nets (152).
6. The dust settling and removing equipment for processing the metal powder as claimed in claim 1, which is characterized in that: the two belt wheels (12) are respectively sleeved on the connecting pipe (94) and the rotating shaft (11) and are connected through a belt.
7. The dust settling and removing equipment for processing the metal powder as claimed in claim 1, which is characterized in that: the number of each group of fan plates (14) is six, and each fan plate (14) is provided with an inwards concave airflow guide surface with an arc angle.
8. The dust settling and removing equipment for processing the metal powder as claimed in claim 1, which is characterized in that: the fan direction of flabellum (13) is towards the position of fan board (14), is used for handling the dust more evenly dispersed to leading-in main treatment case (2) of suction tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110841203.3A CN113694662A (en) | 2021-07-26 | 2021-07-26 | Dust fall and removal equipment for metal powder processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110841203.3A CN113694662A (en) | 2021-07-26 | 2021-07-26 | Dust fall and removal equipment for metal powder processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113694662A true CN113694662A (en) | 2021-11-26 |
Family
ID=78650410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110841203.3A Pending CN113694662A (en) | 2021-07-26 | 2021-07-26 | Dust fall and removal equipment for metal powder processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113694662A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013300A (en) * | 2019-12-30 | 2020-04-17 | 安徽万山红环保科技有限公司 | Workshop waste gas collecting and treating device |
| CN211659569U (en) * | 2019-05-20 | 2020-10-13 | 黑龙江省北大荒绿色健康食品有限责任公司 | Secondary dust collecting and filtering device |
-
2021
- 2021-07-26 CN CN202110841203.3A patent/CN113694662A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211659569U (en) * | 2019-05-20 | 2020-10-13 | 黑龙江省北大荒绿色健康食品有限责任公司 | Secondary dust collecting and filtering device |
| CN111013300A (en) * | 2019-12-30 | 2020-04-17 | 安徽万山红环保科技有限公司 | Workshop waste gas collecting and treating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110813616A (en) | Surface treatment device for processing electronic accessories | |
| CN213102837U (en) | Aluminum profile surface pretreatment paint spraying device | |
| CN206273325U (en) | A kind of dust filter unit | |
| CN107953262A (en) | A kind of polishing machine bits-suction device | |
| CN108905460B (en) | Purification device and purification method for waste gas treatment of paint spraying workshop | |
| CN113694662A (en) | Dust fall and removal equipment for metal powder processing | |
| CN216457606U (en) | A gas cleaning processing apparatus for chemical industry plastics production | |
| CN109289474A (en) | A kind of absorption denitrogenation flue gas purification device with anti-dust effect | |
| CN216065913U (en) | Mutual inductor tin soldering device with smoke removal function | |
| CN113146408B (en) | Sanding dust removal system | |
| CN209348398U (en) | A kind of absorption denitrogenation flue gas purification device with anti-dust effect | |
| CN107803750A (en) | A kind of double rinsing type wheel hub polishing system | |
| CN208865384U (en) | A kind of device handling oil-contg. smoke body | |
| CN208262536U (en) | A kind of wet type polishing table | |
| CN206229122U (en) | Dedusting drying device with filtering denoising draught fan | |
| CN211837073U (en) | Environment-friendly coal power plant smoke controllable circulation white smoke eliminating device | |
| CN210522087U (en) | Waste gas purification device for producing waterproof material | |
| CN219898708U (en) | Safe and efficient spraying device for shell of smoke exhaust ventilator | |
| CN215545707U (en) | Flue gas treatment device for plasma cutting of steel pipe | |
| CN218421861U (en) | Air treatment device for printing ink production workshop | |
| CN218573211U (en) | Urban road construction raise dust treatment facility | |
| CN209005424U (en) | A kind of bag filter | |
| CN220047602U (en) | Dust collector is used in slaughter processing | |
| CN213730031U (en) | Waste gas recovery device of laser cutting machine | |
| CN219784266U (en) | Dust collecting equipment is used in on-the-spot construction of building engineering |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211126 |