CN212150798U - Pneumatic conveying device - Google Patents
Pneumatic conveying device Download PDFInfo
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- CN212150798U CN212150798U CN202020792975.3U CN202020792975U CN212150798U CN 212150798 U CN212150798 U CN 212150798U CN 202020792975 U CN202020792975 U CN 202020792975U CN 212150798 U CN212150798 U CN 212150798U
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Abstract
The utility model discloses a pneumatic conveyor relates to the pneumatic conveying equipment field, include: the powder storage bin, the screw conveyor component, the pressure feed tank, the pressure feed bin pneumatic conveying pipeline component, the conveying pipeline, the conveying pneumatic conveying pipeline and the air compression system; the powder storage bin is connected with the inlet end of the screw conveyor component, and the outlet end of the screw conveyor component is connected with the pressure feed tank through a valve; the air compression system is communicated with the pressure feed tank through the pressure feed bin air conveying pipeline assembly and is used for controlling air pressure in the pressure feed tank; the conveying pipeline is communicated with the pressure feed tank through a valve; the conveying gas conveying pipeline is connected with the air compression system and is communicated with the conveying pipeline through a plurality of groups of pressurizing pipeline valves. The multiple groups of pressurizing pipeline valves arranged on the conveying pipeline at intervals are pressurized through the conveying gas conveying pipeline, so that the material is fluidized quickly, the material is boosted to advance, and the breakage rate in the material conveying process is reduced.
Description
Technical Field
The utility model relates to a pneumatic conveyor field especially relates to a pneumatic conveyor.
Background
The pneumatic conveying is to convey granular material in the direction of air flow in a closed pipeline by utilizing the energy of the air flow, and is a specific application of fluidization technology. The pneumatic conveying has the main characteristics of large conveying capacity, long conveying distance and high conveying speed. Due to the characteristics of pneumatic transmission, the pneumatic transmission is widely applied to the aspect of conveying granular materials, such as electric power departments, chemical departments, cement departments, grain departments and the like. However, for some materials which are easy to break, the materials are required to be kept in the original shape in the conveying process, the breaking rate is as low as possible, and the conveying efficiency requirement is added, so that a difficulty is formed.
The prior art still has the defect, especially reflects in that pneumatic transmission efficiency improves, then the velocity of flow needs to be improved, and the velocity of flow improves then the breakage rate will improve, consequently needs to improve prior art, proposes more reasonable technical scheme, solves the problem that prior art exists.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pneumatic conveyor for pneumatic conveyor efficiency improves among the solution prior art, then the velocity of flow needs to improve, and the velocity of flow improves then the technical problem that the percentage of damage will improve.
The embodiment of the utility model provides a pneumatic conveyor, include: the powder storage bin, the screw conveyor component, the pressure feed tank, the pressure feed bin pneumatic conveying pipeline component, the conveying pipeline, the conveying pneumatic conveying pipeline and the air compression system;
the powder storage bin is connected with the inlet end of the screw conveyor component, and the outlet end of the screw conveyor component is connected with the pressure feed tank through a valve; the air compression system is communicated with the pressure feed tank through the pressure feed bin air conveying pipeline assembly and is used for controlling air pressure in the pressure feed tank; the conveying pipeline is communicated with the pressure feed tank through a valve; the conveying gas conveying pipeline is connected with the air compression system and is communicated with the conveying pipeline through a plurality of groups of pressurizing pipeline valves.
The powder storage bins can be arranged into a plurality of groups, and when the plurality of groups are arranged, the powder storage bins can respectively contain the same or different materials and are input into the pressure feed tank through the screw conveyor assembly; it should be noted that it is necessary to ensure that different materials do not react or adhere to each other in the pressure feed tank. When the materials enter the pressure feed tank, closing a valve between the conveying pipeline and the pressure feed tank, opening a valve at the outlet end of the screw conveyor assembly, and conveying the materials in the powder storage bin into the pressure feed tank through the screw conveyor assembly; after the materials enter the pressure feed tank, closing a valve at the outlet end of the screw conveyor assembly, and pressurizing the pressure feed tank by the air compression system through the pressure feed bin air conveying pipeline assembly; after the pressurization reaches the preset condition, a valve between the conveying pipeline and the pressure feed tank is opened, and meanwhile, the air compression system pressurizes the conveying pipeline through the pressurization pipeline valve, so that the materials are rapidly fluidized and conveyed to the preset position through the conveying pipeline. In order to reduce the pressure reduction of the material breakage rate and cause insufficient pressure in the conveying pipeline, a plurality of groups of pressurizing pipeline valves arranged at intervals in the conveying pipeline are pressurized through the conveying gas conveying pipeline so as to boost the material to advance; through multi-point pressure application, the material is fluidized quickly, the material fluidization effect is improved, and the breakage rate is reduced. With this technical problem who has solved among the prior art pneumatic conveying efficiency and has improved, then the velocity of flow needs to be improved, and the velocity of flow improves then the breakage rate will improve.
Preferably, the pneumatic conveying device also comprises an isobaric tube which is communicated with the powder storage bin and the pressure feed tank through valves.
The material that enters into the forced lubrication jar can under the condition that is not carried away by the pipeline, and the atmospheric pressure in the forced lubrication jar can constantly rise, is unfavorable for the screw conveyer subassembly to carry the material in the forced lubrication jar, sets up the isobaric tube and is favorable to discharging the atmospheric pressure in the forced lubrication jar to the powder storage storehouse through the isobaric tube, makes the material fall the speed of forced lubrication jar and accelerates, and the dust in the isobaric tube can not discharge outside the air conveyor simultaneously.
Preferably, the bottom end of the pressure feed tank is provided with a fluidization chamber, and the conveying pipeline is connected with the bottom end of the fluidization chamber.
The bottom end of the pressure feed tank is provided with the fluidization chamber, so that the material in the pressure feed tank can be gathered and output outwards through the conveying pipeline, and the material cannot be accumulated in the pressure feed tank.
Preferably, the pneumatic conveying bin pneumatic conveying pipeline assembly comprises a top end air conveying pipe and a bottom end air conveying pipe, the top end air conveying pipe and the bottom end air conveying pipe are both connected with the air compression system through valves, one end, far away from the air compression system, of the top end air conveying pipe is connected with the top end of the pneumatic conveying tank, and one end, far away from the air compression system, of the bottom end air conveying pipe is connected with the fluidization chamber.
The air compression system can increase the fluidization effect of the materials in the pressure feed tank by pressurizing the pressure feed tank at multiple angles through the top air feed pipe and the bottom air feed pipe, so that the materials are conveyed more smoothly.
Preferably, an annular air feed pipe is arranged at one end of the bottom air feed pipe, which is far away from the air compression system, the annular air feed pipe is provided with a plurality of air feed branch pipes, and the air feed branch pipes are all connected with the fluidization chamber and communicated with the pressure feed tank.
The bottom air supply pipe is set to be an annular air supply pipe, the periphery of the fluidization chamber can be pressurized simultaneously, and materials can be fluidized rapidly.
Preferably, the valve is an electric valve, and the pneumatic conveying device further comprises a valve controller, wherein the valve controller is electrically connected with the electric valve and used for controlling the opening and closing state of the electric valve.
The valve is an electric valve, so that the valve is conveniently controlled, the workload is reduced, and the conveying efficiency of the pneumatic conveying device is improved.
Preferably, a pressure gauge is arranged at the joint of the pressurizing pipeline valve and the conveying pipeline, the pressure gauge is electrically connected with the valve controller, and the pressure gauge is used for detecting the pressure at the joint of the pressurizing pipeline valve and the conveying pipeline and feeding back the detected pressure data to the valve controller.
The pressure gauge is arranged at the joint of the pressurizing pipeline valve and the conveying pipeline, so that pressure parameters can be monitored through the pressure gauge, and when the detected pressure parameters are lower than a preset value, the opening and closing state of the pressurizing pipeline valve is controlled through the valve controller to pressurize the conveying pipeline.
Preferably, the pneumatic conveying device further comprises an intermediate bin, and one end of the conveying pipeline, which is far away from the pressure-feed tank, is connected with the intermediate bin.
The intermediate bin is arranged mainly for storing the materials input by the plurality of groups of conveying pipelines, so that the subsequent processing or unloading treatment of the materials is facilitated.
Preferably, the pneumatic conveying device further comprises a stirrer, and the intermediate bin is connected with the stirrer through an automatic valve.
The stirrer is arranged to stir the materials in the intermediate bin, so that the mixing requirement of subsequent treatment is met.
Preferably, the pressurized conduit valve is in uniform communication with the delivery conduit.
The pressurizing pipeline is communicated with the conveying pipeline, so that the pressure in the conveying pipeline can be controlled, and the sufficient pressure of the material in the conveying process of the conveying pipeline can be ensured.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a pneumatic conveying device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a pneumatic conveying device according to an embodiment of the present invention;
fig. 3 is a partially enlarged view of the pneumatic conveying device according to the embodiment of the present invention;
fig. 4 is a schematic diagram of functional modules of the pneumatic conveying apparatus according to the embodiment of the present invention.
Icon: 10-pneumatic conveying device; 100-powder storage bin; 200-a screw conveyor assembly; 300-pressure feeding tank; 400-pressure feed bin pneumatic conveying pipeline assembly; 500-a delivery conduit; 600-a conveying gas conveying pipeline; 700-air compression system; 20-a valve; 30-a pressurized pipeline valve; 800-isobaric tube; 310-a fluidizing chamber; 410-a top air pipe; 420-bottom air feed pipe; 421-ring air supply pipe; 4211-air supply branch pipe; 50-pressure gauge; 60-a valve controller; 70-intermediate bin; 80-a stirrer.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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.
Referring to fig. 1 to 3, an embodiment of the present invention provides a pneumatic conveying apparatus 10, including: the powder storage bin 100, the screw conveyor assembly 200, the pressure feed tank 300, the pressure feed bin air conveying pipeline assembly 400, the conveying pipeline 500, the conveying air conveying pipeline 600 and the air compression system 700;
wherein, the powder storage bin 100 is connected with the inlet end of the screw conveyor assembly 200, and the outlet end of the screw conveyor assembly 200 is connected with the pressure feed tank 300 through the valve 20; the air compression system 700 is in communication with the pressure feed tank 300 through the pressure feed bin air delivery conduit assembly 400 and is used to control the air pressure within the pressure feed tank 300; the delivery pipe 500 is communicated with the pressure feed tank 300 through a valve 20; the delivery gas delivery line 600 is connected to the air compression system 700 and is in communication with the delivery line 500 through a plurality of sets of pressurized line valves 30.
The powder storage bins 100 can be arranged into a plurality of groups, and when the plurality of groups are arranged, the powder storage bins 100 can respectively contain the same or different materials and are input into the pressure feed tank 300 through the screw conveyor assembly 200; it should be noted that it is necessary to ensure that the different materials do not react or stick in the pressure feed tank 300. When the material enters the pressure-feed tank 300, the valve 20 between the conveying pipeline 500 and the pressure-feed tank 300 is closed, the valve 20 at the outlet end of the screw conveyor assembly 200 is opened, and the material in the powder storage bin 100 is conveyed into the pressure-feed tank 300 through the screw conveyor assembly 200; after the material enters the pressure feed tank 300, the valve 20 at the outlet end of the screw conveyor assembly 200 is closed, and the air compression system 700 pressurizes the pressure feed tank 300 through the pressure feed bin air delivery pipeline assembly 400; after the pressurization reaches the preset condition, the valve 20 between the delivery pipe 500 and the pressure-feed tank 300 is opened, and the air compression system 700 pressurizes the delivery pipe 500 through the pressurization pipe valve 30, so that the material is rapidly fluidized and delivered to the preset position through the delivery pipe 500. In order to reduce the pressure reduction of the material breakage rate to cause insufficient pressure in the conveying pipeline 500, a plurality of groups of pressurizing pipeline valves 30 arranged at intervals in the conveying pipeline 500 are pressurized through the conveying gas conveying pipeline 600 so as to boost the material to advance; through multi-point pressure application, the material is fluidized quickly, the material fluidization effect is improved, and the breakage rate is reduced. With this technical problem who has solved among the prior art pneumatic conveying efficiency and has improved, then the velocity of flow needs to be improved, and the velocity of flow improves then the breakage rate will improve.
Preferably, the pneumatic conveying device 10 further comprises an isobaric tube 800, and the isobaric tube 800 is communicated with the powder storage bin 100 and the pressure-feed tank 300 through a valve 20.
When the material entering the pressure-feed tank 300 is not conveyed away by the conveying pipeline 500, the air pressure in the pressure-feed tank 300 is continuously increased, which is not beneficial to the conveying of the material into the pressure-feed tank 300 by the screw conveyor assembly 200, the isobaric tube 800 is arranged to be beneficial to discharging the air pressure in the pressure-feed tank 300 into the powder storage bin 100 through the isobaric tube 800, so that the speed of the material falling into the pressure-feed tank 300 is accelerated, and meanwhile, the dust in the isobaric tube 800 cannot be discharged out of the air conveying device 10.
Preferably, the bottom end of the pressure-feed tank 300 is provided with a fluidization chamber 310, and the transfer pipe 500 is connected to the bottom end of the fluidization chamber 310.
The fluidization chamber 310 is provided at the bottom end of the pressure-feed tank 300, so that the material in the pressure-feed tank 300 can be gathered and output to the outside through the delivery pipe 500, and the material can not be accumulated in the pressure-feed tank 300. The fluidization chamber 310 may be a reducer head.
Preferably, the plenum feed bin gas feed pipe assembly 400 includes a top end gas feed pipe 410 and a bottom end gas feed pipe 420, the top end gas feed pipe 410 and the bottom end gas feed pipe 420 are both connected to the air pressure system 700 through the valve 20, an end of the top end gas feed pipe 410 remote from the air pressure system 700 is connected to a top end of the plenum tank 300, and an end of the bottom end gas feed pipe 420 remote from the air pressure system 700 is connected to the fluidization chamber 310.
The air compression system 700 can increase the fluidization effect of the material in the pressure-feed tank 300 by pressurizing the pressure-feed tank 300 through the top air feed pipe 410 and the bottom air feed pipe 420 at multiple angles, so that the material can be smoothly conveyed.
Preferably, an annular air supply pipe 421 is provided at an end of the bottom air supply pipe 420 remote from the air compression system 700, the annular air supply pipe 421 is provided with a plurality of air supply branch pipes 4211, and the air supply branch pipes 4211 are connected to the fluidization chamber 310 and communicated with the pressure feed tank 300.
The bottom air supply pipe 420 is configured as a ring air supply pipe, which can pressurize the periphery of the fluidizing chamber 310 at the same time, thereby rapidly fluidizing the material.
Preferably, the valve 20 is an electric valve, and the pneumatic conveying apparatus 10 further includes a valve controller 60, wherein the valve controller 60 is electrically connected to the electric valve and is used for controlling the open/close state of the electric valve.
The valve 20 is an electric valve 20, which facilitates the control of the valve 20, reduces the workload, and improves the conveying efficiency of the pneumatic conveying device 10.
Preferably, a pressure gauge 50 is disposed at a connection position of the pressurization pipeline valve 30 and the delivery pipeline 500, the pressure gauge 50 is electrically connected to the valve controller 60, and the pressure gauge 50 is used for detecting the pressure at the connection position of the pressurization pipeline valve 30 and the delivery pipeline 500 and feeding back the detected pressure data to the valve controller 60.
The pressure gauge 50 is arranged at the joint of the pressurizing pipeline valve 30 and the conveying pipeline 500, so that the pressure parameter can be monitored through the pressure gauge 50, and when the detected pressure parameter is lower than a preset value, the opening and closing state of the pressurizing pipeline valve 30 is controlled through the valve controller 60 to pressurize the conveying pipeline 500.
Preferably, the pneumatic conveying device 10 further comprises an intermediate bin 70, and one end of the conveying pipeline 500 far away from the pressure-feed tank 300 is connected with the intermediate bin 70.
The intermediate bin 70 is provided to store the materials inputted by the plurality of sets of conveying pipelines 500, so as to facilitate the subsequent processing or discharging of the materials.
Preferably, the pneumatic conveying apparatus 10 further comprises a blender 80, and the intermediate bin 70 is connected to the blender 80 through an automatic valve.
The stirrer 80 is provided to stir the material in the intermediate bin 70 to meet the mixing requirement of the subsequent treatment.
Preferably, the pressurization pipe valve 30 is uniformly communicated with the delivery pipe 500.
The pressurizing pipeline valve 30 is uniformly communicated with the conveying pipeline 500, so that the pressure in the conveying pipeline 500 can be controlled conveniently, and the sufficient pressure of the materials in the conveying process of the conveying pipeline is ensured.
In short, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. 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.
Claims (10)
1. A pneumatic conveying apparatus, comprising: the powder storage bin, the screw conveyor component, the pressure feed tank, the pressure feed bin pneumatic conveying pipeline component, the conveying pipeline, the conveying pneumatic conveying pipeline and the air compression system;
the powder storage bin is connected with the inlet end of the screw conveyor assembly, and the outlet end of the screw conveyor assembly is connected with the pressure feed tank through a valve; the air compression system is communicated with the pressure feed tank through a pressure feed bin air conveying pipeline assembly and is used for controlling air pressure in the pressure feed tank; the conveying pipeline is communicated with the pressure feed tank through a valve; the conveying gas conveying pipeline is connected with the air compression system and is communicated with the conveying pipeline through a plurality of groups of pressurizing pipeline valves.
2. The pneumatic conveying device according to claim 1, further comprising an isobaric tube in communication with the powder storage bin and the pressure-feed tank through valves.
3. The pneumatic conveying device according to claim 1, wherein a bottom end of the pressure-feed tank is provided with a fluidization chamber, and the conveying pipe is connected with a bottom end of the fluidization chamber.
4. The pneumatic conveying device according to claim 3, wherein the pneumatic conveying pipeline assembly comprises a top end air feed pipe and a bottom end air feed pipe, the top end air feed pipe and the bottom end air feed pipe are connected with the air pressure system through valves, one end of the top end air feed pipe, which is far away from the air pressure system, is connected with the top end of the pneumatic conveying tank, and one end of the bottom end air feed pipe, which is far away from the air pressure system, is connected with the fluidization chamber.
5. The pneumatic conveying device according to claim 4, wherein an annular air feed pipe is provided at an end of the bottom air feed pipe remote from the air compression system, the annular air feed pipe being provided with a plurality of air feed branch pipes each connected to the fluidization chamber and communicating with the pressure feed tank.
6. The pneumatic conveying apparatus according to any one of claims 1 to 5, wherein the valve is an electric valve, and the pneumatic conveying apparatus further comprises a valve controller electrically connected to the electric valve and configured to control an open/close state of the electric valve.
7. The pneumatic conveying device according to claim 6, wherein a pressure gauge is arranged at the connection of the pressurizing pipeline valve and the conveying pipeline, the pressure gauge is electrically connected with the valve controller, and the pressure gauge is used for detecting the pressure at the connection of the pressurizing pipeline valve and the conveying pipeline and feeding back the detected pressure data to the valve controller.
8. The pneumatic conveying device according to claim 6, further comprising an intermediate bin, wherein an end of the conveying pipe remote from the pressure-feed tank is connected to the intermediate bin.
9. The pneumatic conveying apparatus of claim 8, further comprising a blender, the intermediate bin being connected to the blender through an automatic valve.
10. A pneumatic conveying device according to claim 6, characterised in that the pressurised pipeline valves communicate uniformly with the conveying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020792975.3U CN212150798U (en) | 2020-05-13 | 2020-05-13 | Pneumatic conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020792975.3U CN212150798U (en) | 2020-05-13 | 2020-05-13 | Pneumatic conveying device |
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| CN212150798U true CN212150798U (en) | 2020-12-15 |
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| CN202020792975.3U Active CN212150798U (en) | 2020-05-13 | 2020-05-13 | Pneumatic conveying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI747705B (en) * | 2021-01-08 | 2021-11-21 | 華新智能科技有限公司 | Intelligent object conveying method and system thereof |
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- 2020-05-13 CN CN202020792975.3U patent/CN212150798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI747705B (en) * | 2021-01-08 | 2021-11-21 | 華新智能科技有限公司 | Intelligent object conveying method and system thereof |
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