CN219448528U - Powder conveying system - Google Patents
Powder conveying system Download PDFInfo
- Publication number
- CN219448528U CN219448528U CN202320688343.6U CN202320688343U CN219448528U CN 219448528 U CN219448528 U CN 219448528U CN 202320688343 U CN202320688343 U CN 202320688343U CN 219448528 U CN219448528 U CN 219448528U
- Authority
- CN
- China
- Prior art keywords
- conveying pipeline
- buffer tank
- buffer
- pipeline
- material conveying
- 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
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model relates to the technical field of material conveying, in particular to a powder conveying system, which comprises an upper conveying pipeline and a lower conveying pipeline, wherein an air source is arranged at one end of the lower conveying pipeline, an anti-blocking buffer device is arranged between the upper conveying pipeline and the lower conveying pipeline, and the upper conveying pipeline is communicated with the lower conveying pipeline through the anti-blocking buffer device.
Description
Technical Field
The utility model relates to the technical field of material conveying, in particular to a powder conveying system.
Background
When powder is conveyed pneumatically, the materials in a pipeline with a certain height are often required to be conveyed by descending at a height, and generally, the materials fall into a conveying pipeline with a low height below under the action of self gravity in the descending conveying pipeline by arranging a descending conveying pipeline and then are conveyed in the conveying pipeline with a low height below; in actual production, receive economic factor and place restriction, reduce the powder simultaneously and bond on the conveying pipeline, generally set up descending conveying pipeline as vertical pipeline, upper conveying pipeline passes through lower return bend and descending conveying pipeline intercommunication, because the mobility of powder is relatively poor, leads to the material to pile up in lower return bend and below conveying pipeline blanking department very easily, causes whole conveying pipeline to block up even.
Therefore, the existing powder conveying system has the following problems in conveying:
1. when entering a descending material conveying pipeline through the lower bent pipe, the lower bent pipe is easy to cause material adhesion and material blocking;
2. when the materials in the descending material conveying pipeline fall into the lower material conveying pipeline with low height, the lower material conveying pipeline is impacted, so that the materials are easily adhered and blocked at the blanking position of the lower material conveying pipeline, and meanwhile, the lower material conveying pipeline is vibrated.
Disclosure of Invention
The utility model aims to provide a powder conveying system to solve the problems of adhesion and blockage of powder in a conveying pipeline in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a powder conveying system, includes top conveying pipeline and below conveying pipeline, the one end of below conveying pipeline sets up the air supply, set up between top conveying pipeline and the below conveying pipeline and prevent stifled buffer, top conveying pipeline and below conveying pipeline pass through and prevent stifled buffer intercommunication.
Further, prevent stifled buffer includes first buffer tank, first buffer tank sets up the end of top material conveying pipeline, the bottom and the below material conveying pipeline intercommunication of first buffer tank, the cross-sectional area of first buffer tank is greater than the cross-sectional area of top material conveying pipeline, the cross-sectional area of first buffer tank is greater than the cross-sectional area of below material conveying pipeline.
Further, the anti-blocking buffer device further comprises a closed continuous material conveying device, and the first buffer box is communicated with the lower material conveying pipeline through the closed continuous material conveying device.
Further, the closed continuous material conveying devices are arranged in a plurality, and the closed continuous material conveying devices are arranged in parallel.
Further, two closed continuous material conveying devices are arranged, namely a first closed continuous material conveying device and a second closed continuous material conveying device.
Further, the anti-blocking buffer device also comprises a second buffer box, the second buffer box is arranged below the second closed continuous material conveying device, and the second closed continuous material conveying device is communicated with a lower material conveying pipeline through the second buffer box; the cross-sectional area of the second buffer tank is larger than that of the lower material conveying pipeline.
Further, the air deflector is arranged in the second buffer tank, the air deflector is arranged at the top of the second buffer tank, the air deflector extends downwards along the side wall of the second buffer tank, a discharging channel is formed between the air deflector and the inner wall of the second buffer tank, and the closed continuous material conveying device is communicated with a lower material conveying pipeline through the discharging channel.
Further, a first cover plate is arranged at the top of the first buffer box, the first cover plate is hinged with the first buffer box, and a sealing rubber strip is arranged at the edge of the first cover plate; the top of second buffer tank sets up the apron second, apron second is articulated with the second buffer tank, the edge of apron second sets up joint strip.
Further, the inner walls of the first buffer tank and the second buffer tank are coated with nanometer anti-sticking coatings.
Further, the closed continuous feeding device is a screw conveyor or a star feeder.
Compared with the prior art, the utility model has the beneficial effects that: the utility model avoids the bonding of the communicating part of the upper conveying pipeline and the lower conveying pipeline, reduces the impact on the lower conveying pipeline when the material falls into the lower conveying pipeline with low height, prevents the bonding and blocking of the material at the blanking part of the lower conveying pipeline, and reduces the vibration of the lower conveying pipeline.
(1) The first buffer box, the closed continuous material conveying device and the second buffer box which are sequentially connected in series from top to bottom are additionally arranged between the upper material conveying pipeline and the lower conveying pipeline, the first buffer box can temporarily store materials entering the lower conveying pipeline, the closed continuous material conveying device is prevented from timely conveying materials and accumulating the materials in the lower conveying pipeline, the closed continuous material conveying device can continuously convey the materials, the material conveying flow can be accurately controlled, and accumulation and bonding of the materials at blanking positions of the lower conveying pipeline are prevented; the second buffer box is arranged to prevent the material from directly falling to the lower conveying pipeline and prevent the material from impacting the blanking part of the lower conveying pipeline to form bonding;
(2) The inside of the second buffer tank is provided with an air deflector which is arranged at the top of the second buffer tank, the air deflector extends downwards along the side wall of the second buffer tank, a blanking channel is formed between the air deflector and the inner wall of the second buffer tank, and the closed continuous feeding device is communicated with a lower feeding pipeline through the blanking channel; when the air flow passes through the second buffer box, the air deflector can enable the air flow to generate turbulence in the second buffer box, so that the air flow is prevented from ascending from the second buffer box and entering the lower material conveying pipeline, meanwhile, powder entering the second buffer box rotates and flows along with the air flow, the powder is in an unstable state, the powder is prevented from being accumulated at the blanking position of the lower material conveying pipeline, meanwhile, the vibration and erosion of the material on the blanking position pipeline caused by the fact that the material directly falls to the blanking position of the lower material conveying pipeline are reduced, and the service life of the whole system is prolonged;
(3) The inner walls of the first buffer tank and the second buffer tank are coated with nano anti-sticking coatings, so that materials are prevented from being bonded in the first buffer tank and the second buffer tank; the top feed inlet of first buffer tank and second buffer tank all sets up the apron, and the edge of apron sets up joint strip, is convenient for when conveying system is in non-operating condition, can open the apron, clears up and overhauls the inside of first buffer tank and second buffer tank.
Drawings
Fig. 1 is a schematic structural view of embodiment 1;
fig. 2 is a schematic structural view of embodiment 2;
FIG. 3 is a schematic diagram of a second buffer tank;
FIG. 4 is a schematic diagram of a second buffer tank;
in the figure: 1. a material conveying pipeline above; 2. a lower material conveying pipeline; 3. a first buffer tank; 4. a gas source; 5. a second buffer tank; 51. a feed inlet; 6. a closed continuous feeding device; 61. a common star-shaped feeder; 62. a spare star feeder; 7. a three-way pipe; 8. and an air deflector.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Example 1:
referring to fig. 1, the present utility model provides a first embodiment: the powder conveying system comprises an upper conveying pipeline 1 and a lower conveying pipeline 2 positioned below the upper conveying pipeline 1, wherein materials (particularly powder) in the upper conveying pipeline 1 need to be conveyed to the lower conveying pipeline 2 in a descending height for subsequent conveying, an anti-blocking buffer device is arranged between the upper conveying pipeline 1 and the lower conveying pipeline 2, and the upper conveying pipeline 1 and the lower conveying pipeline 2 are communicated through the anti-blocking buffer device; the air source 4 is arranged at one end of the lower material conveying pipeline 2 and is used for supplying material conveying power air flow to the air supply of the lower material conveying pipeline 2 or exhausting air to supply material conveying power air flow, and the air source comprises a rotary screw compressor or a rotary vortex compressor, preferably a screw compressor, and has few parts and few wearing parts, so that the reliability is high, the operation and maintenance are convenient, and the air output power is stable.
In order to reduce the occupied site of the conveying pipeline and reduce the adhesion of powder on the conveying pipeline, the anti-blocking buffer device is arranged as a vertical pipeline, and the materials in the anti-blocking buffer device fall into the lower conveying pipeline 2 by means of gravity, in practice, the anti-blocking buffer device can be obliquely arranged according to the site; the utility model sets up the first buffer tank 3 in the top of the delivery pipeline 2 of the lower side and delivery pipeline 1 of the upper side, the lateral part of the first buffer tank 3 communicates with end of the delivery pipeline 1 of the upper side, the bottom of the first buffer tank 3 communicates with delivery pipeline 2 of the lower side, the connection mode can be welded in practice, can be the flange connection too preferably; the first buffer tank 3 can be spherical or rectangular and the like, any cross-sectional area of the first buffer tank 3 is larger than the cross-sectional area of the pipe diameter of the upper conveying pipeline 1 and the cross-sectional area of the pipe diameter of the lower conveying pipeline 2, the first buffer tank 3 can convey materials entering the lower conveying pipeline 2 from the upper conveying pipeline 1, powder in the prior art is prevented from being bonded at the communication position of the upper conveying pipeline and the lower conveying pipeline, meanwhile, materials are prevented from being accumulated in the upper conveying pipeline and the lower conveying pipeline in a non-timely manner, and even conveying of the materials in the pipelines is more facilitated.
The anti-blocking buffer device further comprises a closed continuous material conveying device 6, wherein the closed continuous material conveying device 6 is arranged below the first buffer box 3 and used for uniformly conveying materials, a star feeder is preferably used as the closed continuous material conveying device in the embodiment, a three-way pipeline 7 is arranged below the star feeder, and the three-way pipeline 7 is communicated with the air source 4, the closed continuous material conveying device 6 and the lower material conveying pipeline 2. The star feeder is connected with the lower material conveying pipeline and the three-way pipeline through flanges, and is used for continuously feeding and conveying powder, so that the material flow is controlled more accurately, the accumulation and the bonding of the materials at the blanking position of the lower material conveying pipeline are prevented, and meanwhile, the structure of the star feeder also plays a role in locking air and preventing air leakage and air cross; the closed continuous feeder may also preferably be a screw conveyor of closed construction.
The powder conveying system can avoid the bonding of the communication part of the upper conveying pipeline and the lower conveying pipeline in the existing system, reduce the impact on the lower conveying pipeline when the materials fall into the lower conveying pipeline with low height, prevent the materials from bonding and blocking at the blanking part of the lower conveying pipeline, and simultaneously prevent the vibration of the lower conveying pipeline; and the material conveying flow is uniform.
Although the above system can meet the current material conveying requirement, when the material conveying flow is large, the material can be adhered and blocked in time due to the problem of the conveying efficiency of the closed continuous conveying device, and therefore, referring to fig. 2, a second embodiment of the present utility model is provided.
Example 2:
the powder conveying system comprises an upper conveying pipeline 1 and a lower conveying pipeline 2 positioned below the upper conveying pipeline 1, materials (particularly powder) in the upper conveying pipeline 1 need to be conveyed to the lower conveying pipeline 2 at a descending height, and an anti-blocking buffer device is arranged between the upper conveying pipeline 1 and the lower conveying pipeline 2, and the upper conveying pipeline 1 and the lower conveying pipeline 2 are communicated through the anti-blocking buffer device; the air source 4 is arranged at one end of the lower material conveying pipeline 2 and is used for supplying material conveying power airflow to the air supply of the lower material conveying pipeline 2 or supplying material conveying power airflow by air suction.
The difference between this embodiment and the first embodiment is that:
in order to meet the requirement of powder conveying efficiency, a plurality of star feeders are arranged in parallel, so that the conveying capacity of the system is improved; in the embodiment, a common star feeder 61 and a standby star feeder 62 are arranged, and the common star feeder 61 and the standby star feeder 62 are arranged in parallel;
in order to prevent the accumulation of materials at the blanking position of the lower conveying pipeline 2 when the common star feeder 61 and the standby star feeder 62 are used for blanking simultaneously, a second buffer box 5 is arranged below the standby star feeder 62, air inlets and air outlets are formed in two sides of the second buffer box 5, the inner cavity of the second buffer box 5 is communicated with the lower conveying pipeline 2 through the air inlets and the air outlets, a feed inlet 51 is formed in the top of the second buffer box 5, the feed inlet 51 is larger than the cross-sectional area of the first buffer box 3, and the second buffer box 5 is communicated with the blanking opening of the standby star feeder 62 through the feed inlet 51.
The inner structure of the second buffer tank is shown in fig. 3 or 4, the cross-sectional area of the second buffer tank 5 is larger than the cross-sectional area of the pipe diameter of the lower material conveying pipeline 2, the bottom in the second buffer tank 5 is of a plane structure, the top in the second buffer tank 5 is provided with the air deflector 8, the air deflector 8 is arranged at the top of the second buffer tank 5, the whole air deflector 8 is cone-shaped, the cone-shaped opening is downward, a blanking channel is arranged between the air deflector 8 and the inner wall of the second buffer tank 5, the standby star feeder 62 is communicated with the cavity of the second buffer tank 5 through the blanking channel, the air deflector 8 can prevent air flow from going into the standby star feeder 62 from the second buffer tank 5, meanwhile, the air deflector 8 generates turbulence when the air flow passes through the second buffer tank 5, powder entering the second buffer tank 5 rotates and flows along with the air flow, the powder is in an unstable state, the blanking pipeline 2 is prevented from being piled up at the blanking position of the lower material conveying pipeline 2, meanwhile, the service life of the whole system is prolonged due to the fact that the material directly falls down to the blanking position of the blanking pipeline 2.
A second cover plate is arranged at the feed inlet 51 of the second buffer tank 5, the second cover plate is hinged with the feed inlet 51, a sealing rubber strip is arranged at the edge of the second cover plate, and when the powder conveying system can meet the requirement of powder conveying efficiency only by using a common star-shaped feeder 61, the standby star-shaped feeder 62 is in a non-working state at the moment, and the second cover plate is closed to prevent air leakage; when the whole powder conveying system is shut down for maintenance, the second cover plate can be directly opened to clean and maintain the inside of the second buffer tank 5.
Similarly, the top of the first buffer tank 3 is further optimized, an access hole is formed in the top of the first buffer tank 3, a cover plate I hinged to the access hole is arranged at the access hole, sealing rubber strips are arranged at the edge of the cover plate I, and when the system is stopped, the cover plate I is opened to clean and overhaul the inside of the first buffer tank 3.
Still further optimize, all coat nanometer antiseized coating at the inner wall of first buffer tank 3 and second buffer tank 5, nanometer antiseized coating includes polytetrafluoroethylene and the coating that has antiseized function that the modifier made, improve the smoothness of first buffer tank 3 and second buffer tank 5 inner wall, reduce the coefficient of friction of first buffer tank 3 and second buffer tank 5 inner wall, prevent that the powder from producing the power to first buffer tank 3 and second buffer tank 5 inner wall and adhering at box top inner wall because of the vortex, and then form the piling up and the jam of material in first buffer tank 3 and second buffer tank 5 inside.
In summary, the powder conveying system provided by this embodiment not only avoids the bonding of the powder in the communication position between the upper conveying pipeline and the lower conveying pipeline in the existing system, but also improves the overall conveying capacity of the system, and simultaneously avoids the accumulation of materials in the lower conveying pipeline when a plurality of closed continuous conveying devices simultaneously discharge, reduces the impact of the materials on the lower conveying pipeline when falling into the lower conveying pipeline, further avoids the bonding and blocking of the materials in the blanking position of the lower conveying pipeline, and prevents the vibration of the lower conveying pipeline.
Claims (9)
1. A powder delivery system, characterized by: the anti-blocking type pipeline conveyer comprises an upper conveying pipeline (1) and a lower conveying pipeline (2), wherein an air source (4) is arranged at one end of the lower conveying pipeline (2), an anti-blocking buffer device is arranged between the upper conveying pipeline (1) and the lower conveying pipeline (2), and the upper conveying pipeline (1) and the lower conveying pipeline (2) are communicated through the anti-blocking buffer device.
2. The powder delivery system of claim 1, wherein: anti-blocking buffer includes first buffer tank (3), the end of first buffer tank (3) setting up top conveying pipeline (1), the bottom and the below conveying pipeline (2) intercommunication of first buffer tank (3), the cross-sectional area of first buffer tank (3) is greater than the cross-sectional area of top conveying pipeline (1), the cross-sectional area of first buffer tank (3) is greater than the cross-sectional area of below conveying pipeline (2).
3. The powder delivery system of claim 2, wherein: the anti-blocking buffer device further comprises a closed continuous material conveying device (6), and the first buffer box (3) is communicated with the lower material conveying pipeline (2) through the closed continuous material conveying device (6).
4. A powder delivery system as set forth in claim 3, wherein: the closed type continuous material conveying devices (6) are arranged in a plurality, and the closed type continuous material conveying devices (6) are arranged in parallel.
5. The powder delivery system of claim 4, wherein: the anti-blocking buffer device further comprises a second buffer box (5), the second buffer box (5) is arranged below the closed continuous material conveying device (6), and the closed continuous material conveying device (6) is communicated with the lower material conveying pipeline (2) through the second buffer box (5); the cross-sectional area of the second buffer tank (5) is larger than that of the lower conveying pipeline (2).
6. The powder delivery system of claim 5, wherein: set up aviation baffle (8) in second buffer tank (5), aviation baffle (8) set up the top at second buffer tank (5), the lateral wall downwardly extending of aviation baffle (8) along second buffer tank (5), form the unloading passageway between the inner wall of aviation baffle (8) and second buffer tank (5), closed continuous feeding device (6) are through unloading passageway and below conveying pipeline (2) intercommunication.
7. The powder delivery system of claim 6, wherein: the top of the first buffer box (3) is provided with a first cover plate, the first cover plate is hinged with the first buffer box (3), and the edge of the first cover plate is provided with a sealing rubber strip; the top of second buffer tank (5) sets up apron two, apron two is articulated with second buffer tank (5), the edge of apron two sets up joint strip.
8. The powder delivery system of claim 7, wherein: the inner walls of the first buffer tank (3) and the second buffer tank (5) are coated with nanometer anti-sticking coatings.
9. The powder delivery system of any one of claims 3-8, wherein: the closed continuous feeding device (6) is a screw conveyor or a star feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320688343.6U CN219448528U (en) | 2023-03-31 | 2023-03-31 | Powder conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320688343.6U CN219448528U (en) | 2023-03-31 | 2023-03-31 | Powder conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219448528U true CN219448528U (en) | 2023-08-01 |
Family
ID=87409699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320688343.6U Active CN219448528U (en) | 2023-03-31 | 2023-03-31 | Powder conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219448528U (en) |
-
2023
- 2023-03-31 CN CN202320688343.6U patent/CN219448528U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102756920A (en) | Continuous dense-phase positive-pressure pneumatic conveying apparatus and conveying method | |
| CN219448528U (en) | Powder conveying system | |
| CN2795159Y (en) | Continuous pneumatic conveyor for bulk material | |
| CN218619152U (en) | Coke powder pneumatic conveying system | |
| CN203497777U (en) | Dry ash entrucking device used for coal-fired power plant | |
| CN114229480B (en) | Cement material conveying bin pump | |
| CN214732760U (en) | Powder pneumatic conveyor | |
| CN115504279A (en) | Integrated system and method for storing and conveying fly ash | |
| CN214526891U (en) | Automatic multi-distance adjusting and conveying system for various materials | |
| CN86206389U (en) | Negative pressure conveyer for granular material | |
| CN212448948U (en) | Weighing type transmitter | |
| CN209851266U (en) | Uniform-speed discharging mixed material bin for pneumatic wet spraying machine | |
| CN209905909U (en) | Material delivery system | |
| CN209113128U (en) | Dry powder water-reducing agent vacuum charging device | |
| CN102530466B (en) | Air-vibrating type jet-boosted discharging device | |
| CN211470047U (en) | Intelligent regulation substep ash conveying system | |
| CN105858222A (en) | Positive pressure and negative pressure integrated pneumatic ash conveying system and method | |
| CN207890677U (en) | A kind of energy-efficient injection conveying device of flyash | |
| CN207107931U (en) | A kind of anti-blocking device for discharging | |
| CN204822738U (en) | Powder tank car discharge system | |
| CN215782303U (en) | Blockage clearing and circular blowing system for ash bucket of bag type dust collector | |
| CN202284054U (en) | Pneumatic vibration type injection boosted material unloading device | |
| CN210126796U (en) | Powder storehouse ejection of compact anti-clogging device | |
| CN217996033U (en) | Pneumatic conveying sending section and pneumatic conveying device | |
| CN217866921U (en) | Storehouse formula delivery pump with wear-resisting valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |