CN114955554A - Powder production conveying system - Google Patents
Powder production conveying system Download PDFInfo
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- CN114955554A CN114955554A CN202210506586.3A CN202210506586A CN114955554A CN 114955554 A CN114955554 A CN 114955554A CN 202210506586 A CN202210506586 A CN 202210506586A CN 114955554 A CN114955554 A CN 114955554A
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- pipeline
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- detection device
- powdery
- control device
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- 239000000843 powder Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 211
- 238000001514 detection method Methods 0.000 claims abstract description 75
- 238000011897 real-time detection Methods 0.000 claims abstract description 13
- 235000013312 flour Nutrition 0.000 claims description 13
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 134
- 238000003801 milling Methods 0.000 description 6
- 241000209140 Triticum Species 0.000 description 4
- 235000021307 Triticum Nutrition 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 235000019752 Wheat Middilings Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- 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
- B65G53/06—Gas pressure systems operating without fluidisation of the materials
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- 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
-
- 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
- B65G53/36—Arrangements of containers
-
- 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
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- 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
- B65G53/60—Devices for separating the materials from propellant gas
-
- 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
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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a powder production conveying system which comprises a material processing device, a pipeline, a conveying driving device, a material detection device and a control device, wherein the material processing device is used for processing materials into powdery materials; the pipeline is used for receiving and conveying the powdery material; the conveying driving device is connected with the pipeline and is used for driving gas in the pipeline to flow, and under the action of the flowing gas, the powdery material is conveyed along the pipeline; the material detection device is arranged on the material processing device and is used for detecting the amount of the material to be processed and/or the amount of the powdery material to be input into the pipeline; the control device is respectively connected with the material detection device and the conveying driving device, and the control device is used for adjusting the conveying driving device according to real-time detection information of the material detection device, so that the flow rate of the flowing gas in the pipeline can be adjusted as required according to the change of the material quantity and/or the powdery material quantity, and the energy is saved.
Description
Technical Field
The invention relates to the technical field of powder production conveying equipment, in particular to a powder production conveying system.
Background
In the existing production line, the fan cannot supply air or induce air according to needs in real time according to the wheat quantity and the wheat flour quantity, but only can operate at fixed frequency, and is generally configured according to the maximum material flow, so that energy waste is caused.
Disclosure of Invention
The invention aims to provide a powder production conveying system which can adjust the flowing state of gas in the system as required and is beneficial to saving energy.
In order to achieve the purpose, the invention discloses a powder production conveying system which comprises a material processing device, a pipeline, a conveying driving device, a material detecting device and a control device, wherein the material processing device is used for processing materials into powder materials; the pipeline is used for receiving and conveying the powdery material; the conveying driving device is connected with the pipeline and is used for driving gas in the pipeline to flow, and the powdery material is conveyed along the pipeline under the action of the flowing gas; the material detection device is arranged on the material processing device and is used for detecting the amount of the material to be processed and/or the amount of the powdery material to be input into the pipeline; the control device is respectively connected with the material detection device and the conveying driving device, and the control device is used for adjusting the conveying driving device according to the real-time detection information of the material detection device so as to change the flow rate of the flowing gas in the pipeline.
The invention is provided with the material detection device for detecting the amount of the material to be processed and/or the amount of the powdery material to be input into the pipeline in real time, the conveying driving device drives the gas in the pipeline to flow, the powdery material is conveyed along the pipeline under the action of the flowing gas, and the control device can adjust the conveying driving device according to the real-time detection information of the material detection device, so that the flow rate of the flowing gas in the pipeline can be adjusted according to the change of the amount of the material and/or the amount of the powdery material, and the energy source saving is facilitated.
Optionally, the material detecting device comprises a flow meter for detecting the flow rate of the material and/or the powdery material; and/or the material detection device comprises a gravimetric meter for detecting the bulk weight of the material and/or the powdery material; and/or the material detection device comprises a moisture meter, and the moisture meter is used for detecting the moisture content of the material and/or the powdery material.
Optionally, the powder production conveying system further comprises a gas detection device, the gas detection device is arranged in the pipeline and connected with the control device, the gas detection device is used for detecting the flow velocity, flow and/or pressure of gas in the pipeline, and the control device is used for adjusting the conveying driving device by combining real-time detection information of the material detection device and the gas detection device.
Optionally, the gas detection device comprises an anemometer for detecting the flow rate of the gas flowing in the duct; and/or the gas detection device comprises an air gauge for detecting the flow of the flowing gas in the pipeline; and/or the gas detection device comprises a wind pressure meter for detecting the pressure of the flowing gas in the pipeline.
Optionally, the pipeline includes a first pipeline and a second pipeline connected to each other, a powder-gas separator is disposed at a joint of the first pipeline and the second pipeline, the powder-gas separator is configured to receive the powdery material and input the powdery material into the joint, the first pipeline is connected to the conveying driving device, and the conveying driving device is configured to drive gas in the first pipeline to flow to the second pipeline so as to drive the powdery material to be conveyed along the second pipeline.
Optionally, the pipeline includes a first pipeline and a second pipeline connected to each other, the second pipeline is connected to an output end of the material processing device, the first pipeline is connected to the conveying driving device, the conveying driving device is configured to drive gas in the second pipeline to flow to the first pipeline so as to convey the powdery material along the second pipeline, a powder-gas separator is disposed at a joint of the first pipeline and the second pipeline, and the powder-gas separator is configured to separate the powdery material conveyed by the second pipeline.
Optionally, the conveying driving device comprises a fan, the fan is connected with the control device, the fan is used for inputting or extracting gas into or from the pipeline, and the control device is used for controlling the speed of the fan when inputting or extracting gas.
Optionally, the conveying driving device includes a fan and a gas storage device, an input end of the gas storage device is connected to the fan, the fan is configured to input gas to the gas storage device, an output end of the gas storage device is connected to the pipeline so that the gas flows to the pipeline, an adjusting valve is disposed between the pipeline and the gas storage device, the adjusting valve is connected to the control device, and the control device is configured to adjust the adjusting valve to adjust a flow rate of the gas flowing in the pipeline; the air storage device is provided with a pressure detector, the pressure detector is used for detecting air pressure in the air storage device, the control device is respectively connected with the pressure detector and the fan, and the control device is used for controlling the fan to input air to the air storage device according to real-time detection information of the pressure detector so as to adjust the air pressure in the air storage device to a preset value.
Optionally, the number of the pipelines is respectively and correspondingly multiple, and the adjusting valve is respectively arranged between each pipeline and the gas storage device.
Optionally, the material processing apparatus includes material storehouse and milling machine, the milling machine with the pipe connection, the milling machine be used for with the material storehouse input the material is ground into powdery material, material detection device sets up the milling machine with between the material storehouse and/or the material storehouse.
Drawings
Fig. 1 is a schematic structural diagram of a powder production conveying system according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a powder production conveying system according to a second embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a in fig. 2.
Fig. 4 is an enlarged structural diagram of B in fig. 2.
Fig. 5 is a schematic structural diagram of a powder production conveying system according to a third embodiment of the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 5, the present invention discloses a powder production conveying system, which includes a material processing device 1, a pipeline 2, a conveying driving device 3, a material detecting device 4 and a control device 5, wherein the material processing device 1 is used for processing materials into powder materials; the pipeline 2 is used for receiving and conveying powdery materials; the conveying driving device 3 is connected with the pipeline 2, the conveying driving device 3 is used for driving gas in the pipeline 2 to flow, and under the action of the flowing gas, the powdery material is conveyed along the pipeline 2; the material detection device 4 is arranged on the material processing device 1, and the material detection device 4 is used for detecting the amount of the material to be processed and/or the amount of the powdery material to be input into the pipeline 2; the control device 5 is respectively connected with the material detection device 4 and the conveying driving device 3, and the control device 5 is used for adjusting the conveying driving device 3 according to the real-time detection information of the material detection device 4 so as to change the flow rate of the flowing gas in the pipeline 2.
The invention is provided with a material detection device 4 for detecting the amount of material to be processed and/or the amount of powdery material to be input into the pipeline 2 in real time, the conveying driving device 3 drives the gas in the pipeline 2 to flow, the powdery material is conveyed along the pipeline 2 under the action of the flowing gas, and the control device 5 can adjust the conveying driving device 3 according to the real-time detection information of the material detection device 4, so that the flow rate of the flowing gas in the pipeline 2 can be adjusted according to the change of the amount of material and/or the amount of powdery material, and the invention is beneficial to saving energy.
Specifically, the gas flowing in the pipe 2 is air, but is not limited thereto, and may be a gas suitable for transporting a powdery material, such as an inert gas.
Optionally, the material detecting device 4 includes a flow meter 41, and the flow meter 41 is used for detecting the flow rate of the material and/or the powdery material; and/or the material detecting device 4 comprises a volume-weight meter 42, wherein the volume-weight meter 42 is used for detecting the volume weight of the material and/or the powdery material; and/or the material detection means 4 comprise a moisture meter (not shown) for detecting the moisture content of the material and/or the powdery material. The arrangement of the flow meter 41, the volume-weight meter 42 and/or the moisture meter enables the real-time detection of the quantity of material to be processed and/or the change in the quantity of powdery material to be fed into the pipe 2, which facilitates the control device 5 to adjust the conveying drive device 3 in time.
Specifically, the control device 5 includes a first flow indication control module 51(FIC), the first flow indication control module 51 is connected to the material detection device 4, and the first flow indication control module 51 determines the change of the material amount and/or the powdery material amount according to the flow rate, the volume weight and/or the moisture content of the material detected by the material detection device.
Specifically, in the first and second embodiments, the material detection device 4 includes the flow meter 41, and in the third embodiment, the material detection device 4 includes the flow meter 41 and the weight scale 42, but the arrangement of the material detection device 4 is not limited thereto, for example, in some embodiments, the material detection device 4 may include one of the flow meter 41, the weight scale 42, and the moisture scale, may include two of them, and may include all of them, so that the change of the material amount and/or the powdery material amount can be accurately determined.
More specifically, the flow meter 41 is a flow scale, a baffle type flow meter, a pipe type flow meter, a microwave type flow meter or a flow meter using other detection principles to realize flow detection.
Specifically, in the first and second embodiments, the material detection device 4 is used to detect the amount of the powdery material to be input into the pipe 2, while in the third embodiment, the material detection device 4 is used to detect the amount of the material to be processed, but the arrangement of the material detection device 4 is not limited thereto, and for example, in some embodiments, the material detection device 4 may simultaneously detect the amount of the material to be processed and the amount of the powdery material to be input into the pipe 2, thereby accurately judging whether the conveying drive device 3 needs to be adjusted.
Referring to fig. 1 to 5, the powder production conveying system further includes a gas detection device 6, the gas detection device 6 is disposed in the pipeline 2 and connected to the control device 5, the gas detection device 6 is used for detecting the flow rate, flow and/or pressure of the gas in the pipeline 2, and the control device 5 adjusts the conveying driving device 3 by combining the real-time detection information of the material detection device 4 and the gas detection device 6. The gas detection device 6 can detect the flow velocity, flow and/or pressure of the gas in the pipeline 2 in real time, and is beneficial to the control device 5 to accurately adjust the conveying driving device 3.
Optionally, the gas detection device 6 comprises an anemometer 61, the anemometer 61 being adapted to detect the flow rate of the gas flowing in the duct 2; and/or the gas detection device 6 comprises an air gauge 62, wherein the air gauge 62 is used for detecting the flow rate of the flowing gas in the pipeline 2; and/or the gas detecting means 6 comprises a wind pressure meter 63, the wind pressure meter 63 being adapted to detect the pressure of the gas flowing in the duct 2. The arrangement of the anemometer 61, the anemometer 62 and/or the anemometer 63 as described above can directly or indirectly detect the flow velocity of the gas in the duct 2, which is advantageous for the control device 5 to obtain accurate detection information.
Specifically, the control device 5 includes a second flow indication control module 52(FIC) and a first pressure indication control module 53(PIC), the second flow indication control module 52 is connected to the anemometer 61 and the anemometer 62, the first pressure indication control module 53 is connected to the wind pressure meter 63, the control device 5 can directly obtain the flow rate of the gas according to the detection of the anemometer 61, can also obtain the flow rate of the gas according to the detection of the anemometer 62 in combination with the diameter of the pipeline 2, can also obtain the gas pressure difference of the flowing gas according to the detection of the wind pressure meter 63, and can obtain the flow rate of the gas through the formula P ═ V/1600(kPa or kN/m 2). In the three embodiments, the gas detecting device 6 includes the anemometer 61, the anemometer 62 and the anemometer 63, so that the accurate gas flow rate data can be obtained, but the arrangement of the gas detecting device 6 is not limited thereto, for example, in some embodiments, the gas detecting device 6 may include one of the anemometer 61, the anemometer 62 and the anemometer 63, and may also include two of them.
Specifically, the control device 5 can calculate the flow rate, flow rate or pressure (the flow rate and pressure can be converted into the flow rate by calculation) required for conveying the powdery material according to the powdery material amount and/or the material amount and directly or indirectly obtain the flow rate of the gas in the pipeline 2 according to the detection of the gas detection device 6, and then adjust the conveying driving device 3 based on the two sets of data to adjust and maintain the flow rate of the gas in the pipeline 2 at the critical state of the required flow rate. After the flow rate of the gas is changed, the air volume and the air pressure difference of the gas are changed along with the change of the flow rate of the gas. Without being limited thereto, it is also possible, for example, to manually give the control device 5 the flow rate, the flow rate or the pressure of the gas in the pipeline 2, the control device 5 adjusting the transport drive 3 according to the given value.
Referring to fig. 1 to 4, in the first embodiment and the second embodiment, the pipeline 2 includes a first pipeline 21 and a second pipeline 22 that are connected to each other, a powder-gas separator 23 is disposed at a connection between the first pipeline 21 and the second pipeline 22, the powder-gas separator 23 is configured to receive the powdery material and input the powdery material into the connection, the first pipeline 21 is connected to the conveying driving device 3, and the conveying driving device 3 is configured to drive the gas in the first pipeline 21 to flow to the second pipeline 22 so as to drive the powdery material to be conveyed along the second pipeline 22. The powder separator 23 is arranged to facilitate the gas in the first pipeline 21 to smoothly drive the powder material to flow to the second pipeline 22, so as to prevent the flowing gas from pushing the powder material out of the pipeline 2.
Specifically, the pipeline 2 is further provided with a buffer hopper 24, the buffer hopper 24 is connected with the powder-gas separator 23, and the powdery material enters the powder-gas separator 23 from the buffer hopper 24.
More specifically, the powder-gas separator 23 includes a channel and a rotary impeller disposed in the channel, the upper end of the channel is connected to the output end of the buffer hopper 24, the powder material enters and is accumulated from the upper end of the channel, and the rotary impeller can drive the powder material to be conveyed to the lower end of the channel and isolate the gas entering the powder-gas separator 23 along with the powder material. The powder separator 23 may be a blower off machine, but is not limited thereto.
Specifically, the first pipe 21 is provided with the gas detection device 6, and the conveying driving device 3 inputs gas to the first pipe 21 to realize positive pressure conveying of the powdery material, but is not limited thereto.
Specifically, powder production conveying system still includes powder material storehouse 7, and powder material storehouse 7 is connected with second pipeline 22, and gaseous edge second pipeline 22 carries powdery material to powder material storehouse 7.
Referring to fig. 5, in the third embodiment, the pipeline 2 includes a first pipeline 21 and a second pipeline 22 connected to each other, the second pipeline 22 is connected to the output end of the material processing device 1, the first pipeline 21 is connected to the conveying driving device 3, the conveying driving device 3 is configured to drive the gas in the second pipeline 22 to flow to the first pipeline 21 so as to convey the powdery material along the second pipeline 22, a powder-gas separator 23 is disposed at a connection position of the first pipeline 21 and the second pipeline 22, and the powder-gas separator 23 is configured to separate the powdery material conveyed by the second pipeline 22. The above-mentioned arrangement of the powder separator 23 and the conveying drive means 3 facilitates smooth flow of the gas from the second pipe 22 to the first pipe 21 while preventing the powdery material from entering the first pipe 21 with the flowing gas. Specifically, the powdery material separated by the powder-gas separator 23 may be input into the powdery material bin for storage.
Specifically, powder and gas separator 23 includes a passageway and sets up the rotatory impeller in the passageway, the upper end of passageway is connected with the junction of first pipeline 21 and second pipeline 22, gaseous drive powdery material reaches first pipeline 21 flow behind the junction, powdery material gets into the upper end of passageway and piles up, rotatory impeller can drive powdery material and carry to the lower extreme of passageway to the gaseous that flows in isolated pipeline 2, avoid gaseous output from the lower extreme of passageway along with powdery material, the lower extreme and the powder material storehouse (not shown in fig. 5) of passageway are connected. More specifically, the powder separator 23 is a blower off machine, but is not limited thereto.
Specifically, in the third embodiment, the first pipe 21 is provided with the gas detection device 6, and the conveying drive device 3 draws gas from the first pipe 21 to achieve negative-pressure conveying of the powdery material, but is not limited thereto.
Specifically, the first pipeline 21 is further provided with a dust removal filter device 8, and the dust removal filter device 8 is used for filtering and separating out the powdery material remained in the flowing gas.
Referring to fig. 1 and 5, in the first and third embodiments, the conveying driving device 3 includes a blower 31, the blower 31 is connected to the control device 5, the blower 31 is used for inputting or extracting gas into or from the pipeline 2, and the control device 5 is used for controlling the speed of the blower 31 when inputting or extracting gas. The control device 5 and the fan 31 can supply air or induce air according to needs, and energy is saved.
Specifically, in the first embodiment, the blower 31 inputs gas into the duct 2 to achieve positive pressure conveyance of the powdery material, and in the third embodiment, the blower 31 draws gas out of the duct 2 to achieve negative pressure conveyance of the powdery material. The fan 31 comprises a frequency converter and a fan motor, the control device 5 is connected with the frequency converter, and the control device 5 controls the running speed of the fan motor by adjusting the frequency converter, so as to change the flow rate of the gas in the pipeline 2. When the flow rate of the gas is changed, the flow rate and the pressure of the gas are changed accordingly.
Referring to fig. 2 to 4, the conveying driving device 3 includes a fan 31 and an air storage device 32, an input end of the air storage device 32 is connected to the fan 31, the fan 31 is configured to input air to the air storage device 32, an output end of the air storage device 32 is connected to the pipe 2 to enable the air to flow to the pipe 2, an adjusting valve 33 is disposed between the pipe 2 and the air storage device 32, the adjusting valve 33 is connected to the control device 5, and the control device 5 is configured to adjust the adjusting valve 33 to adjust a flow rate of the air flowing in the pipe 2; the gas storage device 32 is provided with a pressure detector 34, the pressure detector 34 is used for detecting the gas pressure in the gas storage device 32, the control device 5 is respectively connected with the pressure detector 34 and the fan 31, and the control device 5 is used for controlling the fan 31 to input gas into the gas storage device 32 according to the real-time detection information of the pressure detector 34 so as to adjust the gas pressure in the gas storage device 32 to a preset value. The cooperation between the regulating valve 33 and the control device 5 described above enables the flow rate of the gas flowing in the duct 2 to be automatically regulated for the supply of air as required, while the cooperation between the pressure detector 34 and the control device 5 enables the fan 31 to be regulated as required for saving energy.
Optionally, in the second embodiment, a plurality of pipelines 2 are respectively disposed, and a regulating valve 33 is respectively disposed between each pipeline 2 and the gas storage device 32. The gas storage device 32 can supply air to the multi-pipeline 2 in a centralized manner when the pipeline 2 conveys powdery materials, so that the overall structure is simplified, and the efficiency of the conveying system is improved.
Specifically, in a wheat milling production line, flour and bran (F1, F2, F3, wheat middlings, coarse bran and fine bran) with different qualities are generally produced at the same time, and the discharge ratio of various flours and bran is changed frequently, so when the powder production conveying system is applied to the wheat milling production line, a plurality of pipelines 2 are required to be arranged to receive and convey the powdery materials (flour and bran) respectively, a material detection device 4 is arranged to detect the amount of the powdery material to be input into each pipeline 2 respectively, and a control device 5 adjusts an adjusting valve 33 of the corresponding pipeline 2 according to detection information of the material detection device 4 to change the flow rate of the flowing gas in the corresponding pipeline 2, so that the air supply according to needs of the corresponding pipeline 2 is realized, and the energy saving is facilitated. The powder production conveying system further comprises a plurality of powder material bins 7 correspondingly connected with the pipelines 2, and different kinds of powder materials are conveyed to different powder material bins 7 along the pipelines 2 respectively to be stored.
Specifically, the gas storage device 32 includes a gas storage tank 321 and a gas distribution cylinder 322, the gas storage tank 321 is connected to the fan 31, each pipe 2 is connected to the gas distribution cylinder 322, gas in the gas storage tank 321 flows to each pipe 2 through the gas distribution cylinder 322, the pressure detector 34 is disposed in the gas storage tank 321 and detects gas pressure in the gas storage tank 321 in real time, and after the control device 5 adjusts the adjusting valve 33 of each pipe 2 according to the amount of the powdery material, the gas pressure value in the gas storage tank 321 deviates from a preset value. The control device 5 comprises a second pressure indication control module 54(PIC), the pressure detector 34 is connected with the second pressure indication control module 54, and the second pressure indication control module 54 adjusts the speed of the air input into the air storage tank 321 by the fan 31 according to the air pressure information detected by the pressure detector 34, so that the air pressure in the air storage tank 321 is recovered to a preset value, the operation speed of the fan 31 is automatically adjusted as required while the fan 31 supplies air for the pipelines 2, and energy saving is facilitated.
Specifically, a cooling and drying machine 323 is further disposed between the gas tank 321 and the gas distribution cylinder 322, and the cooling and drying machine 323 is used to freeze and dry the gas flowing into the gas distribution cylinder 322 from the gas tank 321.
Specifically, the blower 31 is a roots blower, but is not limited thereto, and for example, the blower 31 may also be an air suspension centrifugal blower or a magnetic suspension centrifugal blower.
Referring to fig. 5, the material processing apparatus 1 includes a material bin 11 and a flour mill 12, the flour mill 12 is connected to the pipeline 2, the flour mill 12 is used for grinding the material input from the material bin 11 into a powdery material, and the material detecting apparatus 4 is disposed between the flour mill 12 and the material bin 11 and/or the material bin 11. The material detection device 4 can detect the material amount in the material bin 11 and/or the material amount flowing from the material bin 11 to the flour mill 12, and is beneficial to the control device 5 to obtain accurate information of the material amount to be processed, so that the conveying driving device 3 can be accurately adjusted.
Specifically, in the third embodiment, the material detecting device 4 includes the flow meter 41 and the volume weight meter 42, the flow meter 41 is disposed in the material bin 11, and the volume weight meter 42 is disposed between the mill 12 and the material bin 11, but is not limited thereto. The flowmeter 41 can detect the material amount in the material bin 11 in real time, the volume-weight meter 42 can detect the material amount flowing from the material bin 11 to the pulverizer 12 in real time, the flowmeter 41 and the volume-weight meter 42 are connected with the first flow indication control module 51 of the control device 5, the control device 5 calculates the gas flow rate required for conveying the powdery material produced by the pulverizer 12 according to the detection information of the flowmeter 41 and the volume-weight meter 42, and then adjusts and maintains the flow rate of the gas in the pipeline 2 in a required critical state by adjusting the gas extraction rate of the conveying driving device 3 from the pipeline 2.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (10)
1. A powder production conveying system, comprising:
the material processing device is used for processing the material into powdery material;
a conduit for receiving and transporting the powdery material;
the conveying driving device is connected with the pipeline and is used for driving gas in the pipeline to flow, and the powdery material is conveyed along the pipeline under the action of the flowing gas;
the material detection device is arranged on the material processing device and is used for detecting the amount of the material to be processed and/or the amount of the powdery material to be input into the pipeline;
the control device is respectively connected with the material detection device and the conveying driving device and used for adjusting the conveying driving device according to real-time detection information of the material detection device so as to change the flow rate of the flowing gas in the pipeline.
2. The powder production conveying system according to claim 1,
the material detection device comprises a flowmeter, and the flowmeter is used for detecting the flow rate of the material and/or the powdery material; and/or
The material detection device comprises a volume weight meter, and the volume weight meter is used for detecting the volume weight of the material and/or the powdery material; and/or
The material detection device comprises a moisture meter, and the moisture meter is used for detecting the moisture content of the material and/or the powdery material.
3. The powder production conveying system according to claim 1, further comprising a gas detection device, wherein the gas detection device is arranged in the pipeline and connected with the control device, the gas detection device is used for detecting the flow rate, flow and/or pressure of gas in the pipeline, and the control device adjusts the conveying driving device by combining real-time detection information of the material detection device and the gas detection device.
4. The powder production conveying system according to claim 3,
the gas detection device comprises an anemometer which is used for detecting the flow velocity of the flowing gas in the pipeline; and/or
The gas detection device comprises an air gauge, and the air gauge is used for detecting the flow of the flowing gas in the pipeline; and/or
The gas detection device comprises a wind pressure meter, and the wind pressure meter is used for detecting the pressure of the flowing gas in the pipeline.
5. The powder production conveying system according to claim 1, wherein the pipeline comprises a first pipeline and a second pipeline which are connected with each other, a powder-gas separator is arranged at a joint of the first pipeline and the second pipeline, the powder-gas separator is used for receiving the powdery material and inputting the powdery material into the joint, the first pipeline is connected with the conveying driving device, and the conveying driving device is used for driving gas in the first pipeline to flow to the second pipeline so as to drive the powdery material to be conveyed along the second pipeline.
6. The powder production conveying system according to claim 1, wherein the pipeline comprises a first pipeline and a second pipeline which are connected with each other, the second pipeline is connected with an output end of the material processing device, the first pipeline is connected with the conveying driving device, the conveying driving device is used for driving gas in the second pipeline to flow to the first pipeline so as to convey the powdery material along the second pipeline, a powder-gas separator is arranged at a joint of the first pipeline and the second pipeline, and the powder-gas separator is used for separating the powdery material conveyed by the second pipeline.
7. The powder production conveying system according to claim 1, wherein the conveying driving device comprises a fan, the fan is connected to the control device, the fan is used for inputting or extracting gas into or from the pipeline, and the control device is used for controlling the speed of the fan when inputting or extracting gas.
8. The powder production conveying system according to claim 1,
the conveying driving device comprises a fan and a gas storage device, the input end of the gas storage device is connected with the fan, the fan is used for inputting gas to the gas storage device, the output end of the gas storage device is connected with the pipeline so that the gas flows to the pipeline, an adjusting valve is arranged between the pipeline and the gas storage device and connected with the control device, and the control device is used for adjusting the adjusting valve so as to adjust the flow rate of the gas flowing in the pipeline;
the air storage device is provided with a pressure detector, the pressure detector is used for detecting air pressure in the air storage device, the control device is respectively connected with the pressure detector and the fan, and the control device is used for controlling the fan to input air to the air storage device according to real-time detection information of the pressure detector so as to adjust the air pressure in the air storage device to a preset value.
9. The powder production and conveying system according to claim 8, wherein a plurality of pipelines are provided, and the regulating valve is provided between each pipeline and the gas storage device.
10. The powder production conveying system according to claim 1, wherein the material processing device comprises a material bin and a flour mill, the flour mill is connected with the pipeline, the flour mill is used for grinding the material input from the material bin into the powdery material, and the material detection device is arranged between the flour mill and the material bin and/or the material bin.
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| CN202210506586.3A CN114955554A (en) | 2022-05-10 | 2022-05-10 | Powder production conveying system |
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