CN114988118B - Dust conveying pipeline with air flow - Google Patents
Dust conveying pipeline with air flow Download PDFInfo
- Publication number
- CN114988118B CN114988118B CN202210902782.2A CN202210902782A CN114988118B CN 114988118 B CN114988118 B CN 114988118B CN 202210902782 A CN202210902782 A CN 202210902782A CN 114988118 B CN114988118 B CN 114988118B
- Authority
- CN
- China
- Prior art keywords
- hole
- cylinder body
- conveying pipeline
- connecting rod
- dust
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 28
- 230000003287 optical effect Effects 0.000 claims description 18
- 230000008961 swelling Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 12
- 239000000843 powder Substances 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/16—Gas pressure systems operating with fluidisation of the materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a dust conveying pipeline using airflow in the field of pipeline conveying, which comprises a conveying pipeline, wherein a metal detector is arranged at the inlet end of the conveying pipeline, a section of square pipe is arranged at the same cross section of the metal detector, a through hole is formed in the bottom of the square pipe, a diaphragm type agitating mechanism is arranged below the through hole to intermittently seal the through hole, the diaphragm type agitating mechanism is driven by a rotary cylinder, the diaphragm type agitating mechanism is integrally arranged on a lifting block of a cam lifting mechanism, the cam lifting mechanism is driven by a motor, and the metal detector is electrically connected with the rotary cylinder and the motor and is controlled by a controller. The invention utilizes the fluctuation of the rubber diaphragm to suck the metal impurities out of the pipeline rapidly through suction on one hand, and can break up the powder balls during conveying on the other hand.
Description
Technical Field
The invention relates to the technical field of pipeline transportation, in particular to a dust transportation pipeline using air flow.
Background
The pipeline transportation has the advantages of large, continuous, rapid, economic, safe, reliable and stable transportation amount, less investment, less occupied area and low cost, and can realize automatic control. Besides being widely used for long-distance transportation of petroleum and natural gas, the material can also be used for transporting ores, coal, building materials, chemicals, grains and the like. The pipeline transportation can shorten the transportation period, reduce the transportation cost and improve the transportation efficiency. The current trend in pipeline transportation is: the caliber of the pipeline is continuously increased, and the transportation capacity is greatly improved; the transport distance of the pipeline is rapidly increased; the transportation materials are gradually expanded from fluids such as petroleum, natural gas and chemical products to non-fluids such as coal and ore.
In the conveying process, because the concentration of dust in the pipeline is high, once metal impurities doped in the dust collide with the pipe wall to generate sparks, the dust is very easy to explode, the existing dust conveying pipeline adopts a turnover type detecting and removing device, when metal objects are detected, a turnover plate can open the metal objects and a large amount of dust can enter a collecting box at the same time, and the metal objects cannot be accurately and quickly collected; during dust conveying, some dust groups can be generated and cannot be scattered in the pipeline.
Disclosure of Invention
According to the technical problem to be solved by the invention, the invention provides a dust conveying pipeline using airflow.
In order to achieve the purpose, the invention provides a dust conveying pipeline using airflow, which comprises a conveying pipeline, wherein a metal detector is arranged at the inlet end of the conveying pipeline, a square pipe is arranged at the same section of the metal detector, a through hole is formed in the bottom of the square pipe, a diaphragm type swelling mechanism is arranged below the through hole to intermittently seal the through hole, the diaphragm type swelling mechanism is driven by a rotary cylinder, the diaphragm type swelling mechanism is integrally arranged on a lifting block of a cam lifting mechanism, the cam lifting mechanism is driven by a motor, and the metal detector is electrically connected with the rotary cylinder and the motor and is controlled by a controller.
The invention can be further configured in a preferred embodiment, the diaphragm type blowing mechanism comprises a rubber diaphragm, a cylinder body, a movable plug, a rotor, a rotating shaft and a turning seat, the cylinder body is fixed on a rack above the rotating cylinder, a cavity is arranged in the cylinder body, the turning seat is arranged at the bottom of the cavity, the rotating shaft is arranged at the center of the turning seat, the bottom end of the rotating shaft is connected with the rotating shaft of the rotating cylinder, the top end of the rotating shaft is movably inserted in the center of the rotor, the rotor is arranged on an inclined plane of the turning seat in a fit manner, a connecting rod is fixed at one side of the rotor, the other end of the connecting rod is movably connected with the movable plug at the top of the cavity of the cylinder body, the rubber diaphragm covers the movable plug and is connected with the movable plug, and the periphery of the rubber diaphragm is fixed on an extending part at the top end of the cylinder body.
In a preferred embodiment of the present invention, the cylinder body may further be configured such that a plurality of grooves are formed on the inner wall of the cylinder body at the moving section of the movable plug.
In a preferred embodiment of the present invention, the upper plane of the extending portion of the top end of the cylinder body is provided with an inclined plane, and the inclined plane is attached to the lower inclined plane of the through hole at the bottom of the square tube.
The invention may further be configured in a preferred embodiment such that bearings are connected to both ends of the rotor, the diameter of the bearings being 1-2mm greater than the diameter of the rotor.
In a preferred embodiment of the present invention, the cam lifting mechanism may further include a lifting block, a connecting block, a linear optical axis, a fixing frame, a connecting rod, a cam disc, and a cam follower, the lifting block is connected to a slider on the linear optical axis through the connecting block, the linear optical axis is disposed in the fixing frame, protruding shafts are disposed on two sides of the slider, one end of the connecting rod is respectively sleeved on the protruding shafts, the other end of the connecting rod is movably fixed on the base, the cam follower is disposed in a gap between the two connecting rods, and the cam follower is attached to the cam disc on the output shaft of the motor.
In a preferred embodiment of the present invention, the inner side of the connecting rod near the fixing frame is connected with a return spring, and the bottom end of the return spring is hung on the bottom plate.
In a preferred embodiment of the present invention, the lower plane of the square tube at the through hole is provided with a lifting frame formed by an optical axis, and the lifting block is connected to the optical axis in a penetrating manner.
Has the advantages that: according to the dust conveying pipeline using airflow, the cross section area of the cavity in the pipeline is instantly changed when the diaphragm contracts through the diaphragm type blowing mechanism, so that metal impurities leave the pipeline instantly along with suction force; the diaphragm can also break up the powder dough during the agitation process.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the diaphragm type agitation mechanism of the present invention.
FIG. 3 is a schematic view of a square tube of the present invention.
In the figure: 1 is a square tube; 2 is a lifting block; 3 is a connecting block; 4 is a linear optical axis; 5 is a fixing frame; 6 is a connecting rod; 7 is a return spring; 8 is a motor; 9 is a cam disc; 10 is a cam follower; 11 is a rubber diaphragm; 12 is a cylinder body; 13 is a movable plug; 14 is a rotor; 15 is a rotary cylinder; 16 is a rotating shaft; and 17 is a direction changing seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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 scope of the present invention.
As shown in fig. 1-3, a dust conveying pipe using air flow comprises a conveying pipe, a metal detector is arranged at an inlet end of the conveying pipe and used for detecting metal impurities at the beginning of conveying, a square pipe 1 is arranged at the same cross section of the metal detector, a through hole is formed in the bottom of the square pipe 1, a diaphragm type swelling mechanism is arranged below the through hole and used for intermittently sealing the through hole and generating a certain suction force through fluctuation of a rubber diaphragm 11 to quickly suck the metal impurities downwards, the diaphragm type swelling mechanism is driven by a rotary air cylinder 15 and integrally arranged on a lifting block 2 of a cam lifting mechanism and used for moving the diaphragm type swelling mechanism downwards after the metal impurities are sucked downwards, the diaphragm type swelling mechanism leaves the through hole to be temporarily opened and closed, the metal impurities leave the pipe from a gap, the cam lifting mechanism is driven by a motor 8, the metal detector is electrically connected with the rotary air cylinder 15 and the motor 8 and is controlled by a controller, and used for starting the rotary air cylinder 15,1 s and then starting the motor 8 s when the metal impurities are detected.
The diaphragm type blowing mechanism comprises a rubber diaphragm 11, a cylinder body 12, a movable plug 13, a rotor 14, a rotating shaft 16 and a direction changing seat 17, wherein the cylinder body 12 is fixed on a rack above a rotating cylinder 15, a cavity is arranged inside the cylinder body 12, the direction changing seat 17 is arranged at the bottom of the cavity, the rotating shaft 16 is arranged at the center of the direction changing seat 17, the bottom end of the rotating shaft 16 is connected with a rotating shaft of the rotating cylinder 15, the top end of the rotating shaft 16 is movably inserted in the center of the rotor 14, the rotor 14 is attached to an inclined plane of the direction changing seat 17 and is used for driving the rotor 14 to rotate by the rotating shaft 16, two ends of the rotor 14 to fluctuate and rotate, a connecting rod is fixed on one side of the rotor 14, the other end of the connecting rod is movably connected with the movable plug 13 at the top of the cavity of the cylinder body 12, the rotor 14 rotates by being attached to the inclined plane of the direction changing seat 17, the connecting rod at the end of the rotor 14 can integrally descend or ascend when rotating, the rubber diaphragm 11 covers the movable plug 13 and is connected with the movable plug 13, the periphery of the rubber diaphragm 11 is fixed on an extending part at the top end of the cylinder body 12, and is used for instantly sucking foreign matters.
The inner wall of the cylinder body 12 is provided with a plurality of grooves at the moving section of the movable plug 13, and the grooves are used for reducing air between the rubber diaphragm 11 and the movable plug 13 and preventing the rubber diaphragm 11 from being rapidly contracted.
The upper plane of the extension part at the top end of the cylinder body 12 is provided with an inclined plane, and the inclined plane is attached to the lower inclined plane of the through hole at the bottom of the square pipe 1, so that the inclined plane and the through hole are attached more tightly, and the leakage and the powder blocking during dust conveying are reduced.
Both ends of the rotor 14 are connected with bearings, and the diameter of each bearing is 1-2mm larger than that of the rotor 14, so that friction between the rotor 14 and the direction changing seat 17 during rotation is reduced.
The cam lifting mechanism comprises a lifting block 2, a connecting block 3, a linear optical axis 4, a fixing frame 5, connecting rods 6, a cam disc 9 and a cam follower 10, wherein the lifting block 2 is connected with a sliding block on the linear optical axis 4 through the connecting block 3, the linear optical axis 4 is arranged in the fixing frame 5, protruding shafts are arranged on two sides of the sliding block, one end of each connecting rod 6 is respectively sleeved on the protruding shafts, the other end of each connecting rod 6 is movably fixed on a base, the cam follower 10 is arranged in a gap between the two connecting rods, the cam follower 10 is attached to the cam disc 9 on an output shaft of a motor 8, and the rotation of the cam disc 9 is used for driving one end of each connecting rod 6 to fluctuate so as to drive the sliding block to vertically slide on the linear optical axis 4.
The connecting rod 6 inboard is close to mount 5 department and all is connected with reset spring 7, and reset spring 7's bottom is hung in the bottom plate, increases the speed that connecting rod 6 descends, prevents that the descending speed is too slow, can not in time seal the through-hole.
The lower plane that square pipe 1 is located through-hole department is provided with the crane that the optical axis is constituteed, and elevator 2 cross-under prevents through the crane to rock, unable accurate closed through-hole when elevator 2 goes up and down on the optical axis.
The working principle is as follows: firstly, dust enters a conveying pipeline, the dust passes through a square pipe 1 and is detected by a metal detector, when metal impurities are doped in the dust, a signal is transmitted to a controller, the controller starts a rotary cylinder 15, the rotary cylinder 15 drives a rotary shaft 16 to rotate, a rotor 14 connected to the top of the rotary shaft 16 is attached to an inclined plane of a direction changing seat 17 to rotate, a connecting rod on the rotor 14 moves a movable plug 13 downwards in the rotating process, a rubber diaphragm 11 connected with the movable plug 13 moves downwards from a raised state at the moment, suction is formed in the pipeline instantly, the metal impurities fall along with the suction, the controller starts a motor 8 one second after the rotary cylinder 15 is started, a cam disc 9 rotates along with the rotation of a motor output shaft, a connecting rod 6 is driven to fall when the cam disc is rotated, a sliding block on a linear optical axis 4 is stirred to fall when the connecting rod 6 falls, the whole diaphragm type blowing mechanism is driven to fall, the diaphragm type blowing mechanism is not closed with a through hole any more when the rubber diaphragm 11 moves downwards, and the metal impurities leave the pipeline and a large amount of dust can not be taken away; when no metal impurities exist, the diaphragm type agitating mechanism can also operate, and the rubber diaphragm 11 can always agitate to change the cross-sectional area in the pipeline to break up powder balls formed in the conveying pipeline.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (6)
1. A dust conveying pipeline using air flow comprises a conveying pipeline and is characterized in that: the device comprises a conveying pipeline, a metal detection device is arranged at the inlet end of the conveying pipeline, a section of square pipe (1) is arranged at the same section of the metal detection device, a through hole is formed in the bottom of the square pipe (1), a diaphragm type swelling mechanism is arranged below the through hole and used for intermittently sealing the through hole, the diaphragm type swelling mechanism is driven by a rotary air cylinder (15), the diaphragm type swelling mechanism is integrally arranged on a lifting block (2) of a cam lifting mechanism, the cam lifting mechanism is driven by a motor (8), the metal detection device is electrically connected with the rotary air cylinder (15) and the motor (8) and controlled by a controller, the diaphragm type swelling mechanism comprises a rubber diaphragm (11), a cylinder body (12), a movable plug (13), a rotor (14), a rotating shaft (16) and a turning seat (17), the cylinder body (12) is fixed on a rack above the rotary air cylinder (15), a cavity is arranged inside the cylinder body (12), the turning seat (17) is arranged at the bottom of the cavity, a rotating shaft (16) is arranged at the center of the turning seat (17), the rotating shaft (16) is connected with the rotating shaft (15), the movable plug (14) is arranged at one side of the center of the turning seat (14), and a connecting rod (17) is fixedly connected with the other end of the rotor (14), rubber diaphragm (11) cover on movable stopper (13) and link to each other with movable stopper (13), fix on cylinder body (12) top extension all around of rubber diaphragm (11), cam lifting mechanism includes elevator (2), connecting block (3), sharp optical axis (4), mount (5), connecting rod (6), cam disc (9) and cam follower (10), elevator (2) link to each other through slider on connecting block (3) and sharp optical axis (4), sharp optical axis (4) set up in mount (5), and the both sides of slider are provided with the protruding axle, and connecting rod (6) one end cup joints respectively on the protruding axle, and the other end then activity is fixed on the base, is provided with cam follower (10) in the two connecting rod clearances, cam follower (10) and motor (8) output epaxial cam disc (9) laminating.
2. A pneumatic dust transport duct as claimed in claim 1, wherein: the inner wall of the cylinder body (12) is provided with a plurality of grooves at the moving section of the movable plug (13).
3. A dust duct for a gas stream, as claimed in claim 1, wherein: the upper plane of the extending part at the top end of the cylinder body (12) is provided with an inclined plane, and the inclined plane is attached to the lower inclined plane of the through hole at the bottom of the square pipe (1).
4. A dust duct for a gas stream, as claimed in claim 1, wherein: and two ends of the rotor (14) are connected with bearings, and the diameter of each bearing is 1-2mm larger than that of the rotor (14).
5. A dust duct for a gas stream, as claimed in claim 1, wherein: the inner side of the connecting rod (6) is connected with a return spring (7) close to the fixing frame (5), and the bottom end of the return spring (7) is hung on the bottom plate.
6. A pneumatic dust transport duct as claimed in claim 1, wherein: the lower plane of square pipe (1) position in through-hole department is provided with the crane that the optical axis is constituteed, and elevator (2) cross-under is on the optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210902782.2A CN114988118B (en) | 2022-07-29 | 2022-07-29 | Dust conveying pipeline with air flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210902782.2A CN114988118B (en) | 2022-07-29 | 2022-07-29 | Dust conveying pipeline with air flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114988118A CN114988118A (en) | 2022-09-02 |
| CN114988118B true CN114988118B (en) | 2023-02-28 |
Family
ID=83022465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210902782.2A Active CN114988118B (en) | 2022-07-29 | 2022-07-29 | Dust conveying pipeline with air flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114988118B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2799900Y (en) * | 2005-04-18 | 2006-07-26 | 王明显 | Multi-stage diaphragm pump |
| CN202297905U (en) * | 2011-10-25 | 2012-07-04 | 苏州弘贸纺织有限公司 | Device for removing mingled cotton in cotton flow |
| CN212502879U (en) * | 2020-05-28 | 2021-02-09 | 郑州国电机械设计研究所有限公司 | Vertical elbow anti-blocking device for pneumatic conveying of powder and granular materials |
| CN212831519U (en) * | 2020-07-07 | 2021-03-30 | 武汉华扬动物药业有限责任公司 | Animal remedy vacuum loading attachment |
-
2022
- 2022-07-29 CN CN202210902782.2A patent/CN114988118B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2799900Y (en) * | 2005-04-18 | 2006-07-26 | 王明显 | Multi-stage diaphragm pump |
| CN202297905U (en) * | 2011-10-25 | 2012-07-04 | 苏州弘贸纺织有限公司 | Device for removing mingled cotton in cotton flow |
| CN212502879U (en) * | 2020-05-28 | 2021-02-09 | 郑州国电机械设计研究所有限公司 | Vertical elbow anti-blocking device for pneumatic conveying of powder and granular materials |
| CN212831519U (en) * | 2020-07-07 | 2021-03-30 | 武汉华扬动物药业有限责任公司 | Animal remedy vacuum loading attachment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114988118A (en) | 2022-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213517078U (en) | Novel pesticide detector device | |
| CN114988118B (en) | Dust conveying pipeline with air flow | |
| CN116296604B (en) | Flour detects sampling device | |
| CN110260962A (en) | Powder micro-weighing device | |
| CN117430119B (en) | Industrial silicon smelting system with automatic eye blocking function | |
| CN109847958A (en) | A kind of automatic discharge unit for media separation system | |
| CN116988828A (en) | Mine ventilation rescue device | |
| US3942842A (en) | Industrial vacuum loading apparatus | |
| CN207281045U (en) | The test sample of sintering feed detection device collects tapping equipment | |
| CN202389958U (en) | Water cycle vacuum feeding machine | |
| CN215515798U (en) | Vacuum feeding machine is used in pharmaceutical composition production | |
| CN213825398U (en) | Receiving agencies of separator | |
| CN211336634U (en) | Automatic bagging machine | |
| CN211412353U (en) | Electric dust removal ash bin | |
| CN215276184U (en) | Filtering mechanism of pneumatic vacuum conveyor | |
| CN111762576A (en) | Sample material discharge method and device and detection system | |
| CN218590823U (en) | Oil residue separating mechanism for oil expression | |
| CN220131344U (en) | Positive pressure pneumatic conveying device for powdery materials | |
| CN218516374U (en) | Centrifugal fan and cyclone combined negative pressure desulfurization ash conveying system | |
| CN220684002U (en) | Positive pressure pneumatic conveying device for powdery materials | |
| CN219906106U (en) | Powder suction machine convenient to clean | |
| CN218538484U (en) | Vacuum suction machine convenient for blanking | |
| CN220668730U (en) | Inclined tube type fluid conveying assembly | |
| CN217856632U (en) | Bag type dust collector for titanium dioxide coarse material grinding device | |
| CN216376355U (en) | Blowing is with smashing material and inhaling material device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A dust conveying pipeline using airflow Granted publication date: 20230228 Pledgee: Bank of Nanjing Co.,Ltd. Changzhou Branch Pledgor: AMP TECHNOLOGY CO.,LTD. Registration number: Y2024980005509 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20230228 Pledgee: Bank of Nanjing Co.,Ltd. Changzhou Branch Pledgor: AMP TECHNOLOGY CO.,LTD. Registration number: Y2024980005509 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A dust conveying pipeline using airflow Granted publication date: 20230228 Pledgee: Bank of Nanjing Co.,Ltd. Changzhou Branch Pledgor: AMP TECHNOLOGY CO.,LTD. Registration number: Y2024980007317 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |