CN112791518B - Continuous production system for purifying and dedusting biomass pyrolysis gas - Google Patents
Continuous production system for purifying and dedusting biomass pyrolysis gas Download PDFInfo
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- CN112791518B CN112791518B CN202011516800.0A CN202011516800A CN112791518B CN 112791518 B CN112791518 B CN 112791518B CN 202011516800 A CN202011516800 A CN 202011516800A CN 112791518 B CN112791518 B CN 112791518B
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- shell
- rotary
- continuous production
- production system
- bracket
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- 238000010924 continuous production Methods 0.000 title claims abstract description 21
- 239000002028 Biomass Substances 0.000 title claims abstract description 11
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 239000000428 dust Substances 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000000926 separation method Methods 0.000 claims description 4
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims 2
- 238000005507 spraying Methods 0.000 claims 1
- 239000002737 fuel gas Substances 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005571 horizontal transmission Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/026—Dust removal by centrifugal forces
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a continuous production system for purifying and dedusting biomass pyrolysis fuel gas, which comprises: a plurality of cyclone dust collectors, a cleaning vehicle; the cyclone dust collector comprises a rotary shell, the upper part of the rotary shell is a cyclone cylinder section, the lower part of the rotary shell is an ash collecting bucket section, the side wall of the cyclone cylinder section is provided with an air inlet volute, and the top of the cyclone cylinder section is provided with an air outlet pipe; the rotary shell is formed by assembling a first shell and a second shell and can be separated and folded; the cleaning vehicle includes: the lower end of the bracket is rotatably arranged around a vertical shaft, and correspondingly, a rotary driving mechanism for driving the bracket to rotate is arranged on the movable platform; the nozzle on the bracket faces the spray head on the inner wall of the rotary shell and is connected with a pressure cleaning source through a pipeline; each air inlet volute is communicated with the main air inlet pipe through a pipeline, and a valve is arranged on the communicating pipeline. The invention aims to clean the adhered substances on the inner wall of the purification dust remover one by one through the cleaning vehicle, so as to replace manpower and achieve the aim of continuous production without stopping.
Description
Technical Field
The invention relates to the technical field of biomass fuel production, in particular to a continuous production system for purifying and dedusting biomass pyrolysis fuel gas.
Background
With living beings such as the rice husk, the straw, can produce combustible biomass pyrolysis gas through certain pyrolysis technology, wherein, contain a large amount of dusts in this combustible gas, the granule, material such as tar, at first catch the solid particle thing in the gas through cyclone among the prior art, however, because the existence of sticky material such as tar, make solid particle thing adhesion difficult coming off on the separator inner wall, it is long-lived, seriously influence the efficiency of dust removal and lead to the not good scheduling problem of dust removal effect, in addition, when clearing up current separator, the time spent, the human cost is higher, therefore, above problem is urgent to be solved.
Disclosure of Invention
In view of the above, the present invention provides a continuous production system for purifying and dedusting biomass pyrolysis fuel gas, which cleans adhered substances on the inner wall of a purification deduster one by one through a cleaning device, so as to replace manpower, and achieve the purpose of continuous production without stopping.
In order to achieve the above object, the present invention provides a continuous production system for purifying and dedusting biomass pyrolysis gas, comprising: at least two cyclone dust collectors, and a cleaning vehicle;
the cyclone dust collector comprises a rotary shell, the upper part of the rotary shell is a cyclone cylinder section, the lower part of the rotary shell is an ash collecting bucket section, the side wall of the cyclone cylinder section is connected with an externally-tangent air inlet volute, and the top of the central axis of the cyclone dust collector is provided with an air outlet pipe; the rotary shell is formed by assembling a first shell and a second shell which are in two semi-cylindrical shapes, and the first shell and the second shell are separated and folded through an opening and closing mechanism;
the cleaning vehicle includes: the rotary driving mechanism is arranged on the movable platform and used for driving the support to rotate; the nozzle of the nozzle facing the inner wall of the rotary shell is arranged on the bracket and is connected with a pressure cleaning source through a pipeline;
each air inlet volute is communicated with the main air inlet pipe through a pipeline, and a valve is arranged on the communicating pipeline; the moving platform is provided with a transverse moving arm, the lower end of the support is rotatably arranged on the transverse moving arm around a vertical shaft and used for conveying the support into the rotary shell.
Furthermore, the nozzle of the spray head is obliquely downwards and is obliquely arranged towards the front close to the rotating direction.
Furthermore, the support is hollow tubular, the spray head is installed on the support and communicated with an internal pipeline of the spray head, and the lower end of the support is communicated with a pressure cleaning source pipeline through a rotary joint.
Furthermore, the support is Y-shaped, and the lower end of the air outlet pipe can pass through the space between the two Y-shaped branch supports.
Further, the rotary drive mechanism includes: a rotating motor arranged on the moving platform and a gear assembly in transmission connection with the bracket.
Further, the opening and closing mechanism includes: the first shell and the second shell form pivoting connection rotating around a vertical shaft through the hinge, one end of the telescopic rod is hinged to the rack, and the other end of the telescopic rod is hinged to one of the first shell and the second shell to realize separation and folding of the first shell and the second shell.
Furthermore, a guide rail is arranged from the first cyclone dust collector to the last arrangement direction, the moving platform is erected on the guide rail, and the moving driving mechanism moving along the guide rail is further arranged on the moving platform.
Further, a plurality of cyclone be the linear direction and arrange, the guide rail is linear guide, the removal actuating mechanism includes: the transmission screw rod is arranged in parallel with the guide rail, one end of the transmission screw rod is in transmission connection with the output end of the stepping motor, and the rod part of the transmission screw rod is in transmission fit with a screw rod nut on the moving platform.
Furthermore, an opening of one of the first shell and the second shell is arranged towards the direction of the guide rail, the transverse moving arm is arranged on the moving platform in a sliding mode, and the moving platform is provided with a push-pull rod for driving the transverse moving arm to slide.
Furthermore, the push-pull rod is an electric push rod, an oil cylinder or an air cylinder.
Compared with the prior art, the invention has the beneficial effects that: the cleaning equipment is used for cleaning the adhered matters on the inner wall of the purification dust remover one by one, so that the manual work is replaced, and the aim of continuous production without stop is fulfilled.
1. According to the invention, the nozzle of the spray head is obliquely downward and is obliquely arranged towards the front close to the rotating direction, and the cleaning medium on the nozzle generates a larger shoveling force on the inner wall, so that adhered matters attached to the inner wall can be cleaned more easily.
2. According to the invention, under the action of the transmission screw rod, the moving platform can be accurately conveyed to the side of the cyclone dust collector to be cleaned, and then the transverse moving arm is driven to move under the action of the push-pull rod, so that the support is conveyed into each rotary shell, and then cleaning is carried out.
3. The invention has simple operation and convenient use, and is more beneficial to wide popularization and use in factories.
Drawings
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1 according to the present invention;
FIG. 3 is a left side view of the structure of FIG. 1 according to the present invention.
In the figure: 1. a cyclone dust collector; 101. a first housing; 102. a second housing; 11. a cyclone cylinder section; 12. a dust hopper section; 13. an air intake volute; 14. an air outlet pipe; 15. an articulation member; 16. a telescopic rod; 2. cleaning the vehicle; 20. a transverse moving arm; 21. a mobile platform; 22. a support; 23. a spray head; 24. a swivel joint; 25. a rotating electric machine; 26. a gear assembly; 27. a guide rail; 28. a stepping motor; 29. a transmission screw rod; 30. a push-pull rod.
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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a continuous production system for purifying and dedusting biomass pyrolysis fuel gas, including: at least two cyclone dust collectors 1 and a cleaning vehicle 2;
the cyclone dust collector 1 comprises a rotary shell, wherein the upper part of the rotary shell is a cyclone cylinder section 11 which is cylindrical, the lower part of the rotary shell is an ash collecting bucket section 12 which is inverted cone-shaped, a rubber ring with an elastic necking function can be arranged at an outlet at the lower end of the cyclone cylinder section for plugging, the side wall of the cyclone cylinder section 11 is connected with an externally-tangent air inlet volute 13, and the top of the central axis of the cyclone cylinder section is provided with an air outlet pipe 14; the rotary shell is formed by assembling a first shell 101 and a second shell 102 which are in two semi-cylindrical shapes, and the separation and the folding are realized through an opening and closing mechanism; sealing gaskets are arranged at the joint of the first shell 101 and the second shell 102 to prevent air leakage;
the cleaning vehicle 2 includes: the rotary driving device comprises a movable platform 21 and a bracket 22 which can be installed in an inner cavity of a rotary shell, wherein the lower end of the bracket 22 is rotatably installed around a vertical shaft, and correspondingly, a rotary driving mechanism for driving the bracket 22 to rotate is arranged on the movable platform 21; a nozzle 23 with a nozzle facing the inner wall of the rotary shell is arranged on the bracket 22, and the nozzle 23 is connected with a pressure cleaning source through a pipeline; the cleaning source can be high-pressure cleaning water, preferably high-pressure air, which is pumped by a pump respectively;
each air inlet volute 13 is communicated with the main air inlet pipe through a pipeline, and a valve is arranged on the communicating pipeline; the moving platform 21 is provided with a transverse moving arm 20, and the lower end of the bracket 22 is rotatably mounted on the transverse moving arm 20 around a vertical shaft and used for conveying the bracket 22 into the rotary shell.
In a specific use process, biomass pyrolysis gas enters from the air inlet volute 13, and a mixture of heavier particles, tar and the like moves downwards along the cyclone cylinder section 11 and the ash collecting hopper section 12 to be accumulated at the bottom and can be discharged periodically; when the adhered matters on the inner wall of the rotary cleaning dust remover are more, the first shell 101 and the second shell 102 can be rotated to be opened, the movable platform 21 is moved to the opening, the support 22 is positioned in the rotary shell, the first shell 101 and the second shell 102 are closed, the inner wall of the rotary shell can be washed at high pressure through the spray head 23, the support 22 is rotated at one side through the rotary driving mechanism to clean the inner wall in an all-round mode, understandably, the adhered matters on the inner wall of the rotary cleaning dust remover are cleaned one by one through cleaning equipment, manpower is replaced, and the purpose of continuous production stopping is achieved.
In this embodiment, optionally, the nozzle of the nozzle 23 is inclined downward and is inclined toward the front in the rotation direction. The cleaning medium generates larger shoveling force to the inner wall, so that the adhered materials attached to the inner wall can be cleaned more easily.
In this embodiment, optionally, the support 22 is a hollow tube, the nozzle 23 is installed on the support 22 and is communicated with an internal pipeline thereof, and the lower end of the support 22 is communicated with a pressure cleaning source pipeline through the swivel joint 24, so as to implement rotary switching of the pipeline. The integration level is higher.
In this embodiment, the support 22 is optionally formed in a Y-shape, and the lower end of the outlet pipe 14 can pass between two support halves of the Y-shape. Effectively avoiding the outlet pipe 14.
In this embodiment, optionally, the rotation driving mechanism includes: a rotating motor 25 mounted on the moving platform 21, and a gear assembly 26 in transmission connection with the support 22, which may be a bevel gear assembly, realize horizontal and vertical transmission connection.
In this embodiment, optionally, the opening and closing mechanism includes: the first shell 101 and the second shell 102 form a pivoting connection rotating around a vertical axis through the hinge 15, and the telescopic rod 16 is hinged to the frame at one end and hinged to one of the first shell 101 and the second shell 102 at the other end to realize the separation and the folding of the two.
In this embodiment, optionally, a guide rail 27 is provided from the first cyclone 1 to the last arrangement direction, the moving platform 21 is erected thereon, and a moving driving mechanism moving along the guide rail 27 is further provided on the moving platform 21.
In this embodiment, optionally, a plurality of the cyclone dust collectors 1 are arranged in a linear direction, the guide rail 27 is a linear guide rail, and the movement driving mechanism includes: the device comprises a stepping motor 28 and a transmission screw 29, wherein the transmission screw 29 is arranged in parallel with the guide rail 27, one end of the transmission screw is in transmission connection with the output end of the stepping motor 28, and the rod part of the transmission screw is in transmission fit with a screw nut on the moving platform 21.
In this embodiment, optionally, an opening of each of the first housing 101 and the second housing 102 is disposed toward the guide rail 27, the transverse moving arm 20 is slidably disposed on the moving platform 21, and the moving platform 21 is provided with a push-pull rod 30 for driving the transverse moving arm 20 to slide. Further, the push-pull rod 30 is an electric push rod, an oil cylinder or an air cylinder, and one end thereof is mounted on the moving platform 21, and the other end thereof is mounted on the lateral moving arm 20 side. Under the action of the transmission screw rod, the movable platform 21 can be accurately conveyed to the side of the cyclone dust collector 1 to be cleaned, and then the transverse movable arm 20 is driven to move under the action of the push-pull rod 30, and the support 22 is conveyed into each rotary shell for cleaning.
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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Claims (10)
1. A continuous production system for purifying and dedusting biomass pyrolysis gas is characterized by comprising the following components: at least two cyclone dust collectors (1) and a cleaning vehicle (2);
the cyclone dust collector (1) comprises a rotary shell, the upper part of the rotary shell is a cyclone cylinder section (11), the lower part of the rotary shell is an ash collecting bucket section (12), the side wall of the cyclone cylinder section (11) is connected with an externally-tangent air inlet volute (13), and the top of the central axis of the cyclone dust collector is provided with an air outlet pipe (14); the rotary shell is formed by assembling a first shell (101) and a second shell (102) which are in two semi-cylindrical shapes, and the first shell and the second shell are separated and folded through an opening and closing mechanism;
the cleaning vehicle (2) comprises: the rotary mechanism comprises a movable platform (21) and a bracket (22) which can be installed in an inner cavity of a rotary shell, wherein the lower end of the bracket (22) is rotatably installed around a vertical shaft, and correspondingly, a rotary driving mechanism for driving the bracket (22) to rotate is arranged on the movable platform (21); a nozzle (23) with a nozzle facing the inner wall of the rotary shell is arranged on the support (22), and the nozzle (23) is connected with a pressure cleaning source through a pipeline;
each air inlet volute (13) is communicated with the main air inlet pipe through a pipeline, and a valve is arranged on the communicating pipeline; the moving platform (21) is provided with a transverse moving arm (20), and the lower end of the bracket (22) is rotatably arranged on the transverse moving arm (20) around a vertical shaft and used for conveying the bracket (22) into the rotary shell.
2. Continuous production system according to claim 1, characterised in that the nozzles of the spraying heads (23) are arranged obliquely downwards and obliquely towards the front close to the direction of rotation.
3. The continuous production system according to claim 1, wherein the support (22) is hollow and tubular, the spray head (23) is mounted on the support (22) and is communicated with an internal pipeline thereof, and the lower end of the support (22) is communicated with the pressure cleaning source pipeline through a rotary joint (24).
4. The continuous production system according to claim 1, wherein the support (22) is provided in a Y-shape, and the lower end of the outlet pipe (14) can pass between two branch supports of the Y-shape.
5. The continuous production system of claim 1, wherein the rotary drive mechanism comprises: a rotating motor (25) arranged on the moving platform (21), and a gear assembly (26) in transmission connection with the bracket (22).
6. The continuous production system of claim 1, wherein the opening and closing mechanism comprises: the first shell (101) and the second shell (102) form a pivoting connection rotating around a vertical shaft through the hinge piece (15), one end of the telescopic rod (16) is hinged to the rack, and the other end of the telescopic rod is hinged to one of the first shell (101) and the second shell (102) so as to realize the separation and the folding of the first shell (101) and the second shell (102).
7. The continuous production system according to claim 1, wherein a guide rail (27) is provided from the first cyclone (1) to the last arrangement direction, the moving platform (21) is erected thereon, and a moving drive mechanism moving in the direction of the guide rail (27) is further provided on the moving platform (21).
8. The continuous production system according to claim 7, wherein a plurality of said cyclones (1) are arranged in a linear direction, said guide rail (27) is a linear guide rail, and said movement driving mechanism comprises: step motor (28) and transmission lead screw (29), transmission lead screw (29) and guide rail (27) parallel arrangement, its one end is connected with step motor (28) output transmission, and its pole portion cooperates the transmission with the screw-nut on moving platform (21).
9. The continuous production system according to claim 8, wherein the opening of one of the first housing (101) and the second housing (102) is disposed toward the guide rail (27), the traverse arm (20) is slidably disposed on the moving platform (21), and the moving platform (21) is provided with a push-pull rod (30) for driving the traverse arm (20) to slide.
10. Continuous production system according to claim 9, wherein the push-pull rod (30) is an electric push rod, a cylinder or a pneumatic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516800.0A CN112791518B (en) | 2020-12-21 | 2020-12-21 | Continuous production system for purifying and dedusting biomass pyrolysis gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516800.0A CN112791518B (en) | 2020-12-21 | 2020-12-21 | Continuous production system for purifying and dedusting biomass pyrolysis gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112791518A CN112791518A (en) | 2021-05-14 |
| CN112791518B true CN112791518B (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011516800.0A Expired - Fee Related CN112791518B (en) | 2020-12-21 | 2020-12-21 | Continuous production system for purifying and dedusting biomass pyrolysis gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN112791518B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2591396A (en) * | 1945-11-02 | 1952-04-01 | Separator Ab | Centrifugal separator |
| WO2002078506A1 (en) * | 2001-03-30 | 2002-10-10 | Polar Light Limited | Air cleaner with washable filter |
| CN101185929A (en) * | 2007-09-06 | 2008-05-28 | 江苏大学 | Rotating filter cartridge dust remover with ashing suction nozzle |
| CN104749004A (en) * | 2015-04-01 | 2015-07-01 | 山西大同大学 | Gas sampler capable of removing dust |
| CN209188411U (en) * | 2018-11-23 | 2019-08-02 | 北京米能科技有限公司 | A kind of compound desulfation dust-extraction device |
-
2020
- 2020-12-21 CN CN202011516800.0A patent/CN112791518B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2591396A (en) * | 1945-11-02 | 1952-04-01 | Separator Ab | Centrifugal separator |
| WO2002078506A1 (en) * | 2001-03-30 | 2002-10-10 | Polar Light Limited | Air cleaner with washable filter |
| CN101185929A (en) * | 2007-09-06 | 2008-05-28 | 江苏大学 | Rotating filter cartridge dust remover with ashing suction nozzle |
| CN104749004A (en) * | 2015-04-01 | 2015-07-01 | 山西大同大学 | Gas sampler capable of removing dust |
| CN209188411U (en) * | 2018-11-23 | 2019-08-02 | 北京米能科技有限公司 | A kind of compound desulfation dust-extraction device |
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| Publication number | Publication date |
|---|---|
| CN112791518A (en) | 2021-05-14 |
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Granted publication date: 20220329 |