CN114955554B - Powder production conveying system - Google Patents
Powder production conveying system Download PDFInfo
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- CN114955554B CN114955554B CN202210506586.3A CN202210506586A CN114955554B CN 114955554 B CN114955554 B CN 114955554B CN 202210506586 A CN202210506586 A CN 202210506586A CN 114955554 B CN114955554 B CN 114955554B
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- pipeline
- gas
- detection device
- powder
- powdery
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- 239000000843 powder Substances 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 211
- 238000001514 detection method Methods 0.000 claims abstract description 70
- 238000011897 real-time detection Methods 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims description 42
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 230000001276 controlling effect Effects 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 121
- 235000013312 flour Nutrition 0.000 description 9
- 241000209140 Triticum Species 0.000 description 7
- 235000021307 Triticum Nutrition 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000003801 milling Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
-
- 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
-
- 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
-
- 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 detecting 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 powdery materials; the conveying driving device is connected with the pipeline and is used for driving the 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 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 flowing gas in the pipeline can be adjusted according to the change of the material quantity and/or the powdery material quantity according to the requirement, and the energy saving is facilitated.
Description
Technical Field
The invention relates to the technical field of powder production and conveying equipment, in particular to a powder production and conveying system.
Background
The production line of wheat flour process generally utilizes pipeline and fan to carry the wheat flour that produces to the powder material storehouse in, but the wheat volume of entering production line and the powder volume of producing all can change constantly, and in current production line, the fan can not supply air or introduce air as required according to wheat volume and wheat flour volume in real time, but can only fixed frequency operation to generally can dispose according to maximum material flow, leads to the energy waste.
Disclosure of Invention
The invention aims to provide a powder production conveying system, which can adjust the flowing state of gas in the system according to the requirement and is beneficial to saving energy.
In order to achieve the above purpose, 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 the 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 material to be processed and/or the amount of 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 is used for adjusting the conveying driving device according to real-time detection information of the material detection device so as to change the flow speed of flowing gas in the pipeline.
The invention is provided with the material detection device for detecting the material quantity to be processed and/or the powdery material quantity 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 material quantity and/or the powdery material quantity according to the requirement, and the energy saving is facilitated.
Optionally, the material detection device comprises a flow meter for detecting the flow of the material and/or the powdery material; and/or the material detection device comprises a volume weight meter, wherein 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 which 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 on the pipeline and connected with the control device, the gas detection device is used for detecting the flow speed, the flow rate and/or the pressure of the 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 a flow rate of gas flowing within the pipe; and/or the gas detection device comprises a wind meter, wherein the wind meter is used for detecting the flow rate of the gas flowing in the pipeline; and/or the gas detection means comprises a wind gauge for detecting the pressure of the gas flowing in the pipe.
Optionally, the pipeline includes interconnect's first pipeline and second pipeline, first pipeline with the junction of second pipeline is provided with the powder separator, the powder separator is used for receiving the powdery material and will the powdery material inputes the junction, first pipeline with carry drive arrangement to be connected, carry drive arrangement is used for the drive gas flow in the first pipeline to the second pipeline is in order to drive the powdery material is followed the second pipeline carries.
Optionally, the pipeline includes interconnect's first pipeline and second pipeline, the second pipeline with material handling device's output is connected, first pipeline with carry drive arrangement is connected, carry drive arrangement is used for the drive gas in the second pipeline to first pipeline flows so that the powdery material is followed the second pipeline carries, the junction of first pipeline with the second pipeline is provided with the gas-solid separator, the gas-solid separator is used for with the second pipeline carries the powdery material separates out.
Optionally, the conveying driving device comprises a fan, the fan is connected with the control device, the fan is used for inputting gas into the pipeline or extracting gas 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 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 into the gas storage device, the output end of the gas storage device is connected with the pipeline so as to enable the gas to flow to the pipeline, a regulating valve is arranged between the pipeline and the gas storage device, the regulating valve is connected with the control device, and the control device is used for regulating the regulating valve so as to regulate the flow rate of the flowing gas 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 pipelines are respectively and correspondingly provided with a plurality of pipelines, and the regulating valves are respectively arranged between the pipelines and the gas storage device.
Optionally, the material processing device includes material storehouse and milling machine, the milling machine with the pipe connection, the milling machine is used for with the material of material storehouse input grinds into the 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 diagram of a powder production and transportation system according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a second embodiment of the powder production and conveying system of the present invention.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a.
Fig. 4 is an enlarged schematic view of the structure B in fig. 2.
FIG. 5 is a schematic diagram of a third embodiment of a powder production and transportation system according to the present invention.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present invention in detail, the following description is made in connection with the embodiments and the accompanying drawings.
Referring to fig. 1 to 5, the invention discloses a powder production conveying system, which comprises 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 powdery materials; the pipeline 2 is used for receiving and conveying powdery materials; the conveying driving device 3 is connected with the pipeline 2, and the conveying driving device 3 is used for driving the gas in the pipeline 2 to flow, and the powdery material is conveyed along the pipeline 2 under the action of the flowing gas; 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 material to be processed and/or the amount of 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 the material detection device 4 to detect the material quantity to be processed and/or the powdery material quantity 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, the control device 5 can adjust the conveying driving device 3 according to the real-time detection information of the material detection device 4, and then the flow speed of the flowing gas in the pipeline 2 is adjusted according to the change of the material quantity and/or the powdery material quantity according to the requirement, thereby being beneficial to saving energy.
Specifically, the gas flowing in the pipe 2 is air, but not limited thereto, and may be, for example, an inert gas or the like suitable for transporting powdery materials.
Optionally, the material detection means 4 comprises a flow meter 41, the flow meter 41 being adapted to detect the flow of material and/or powdery material; and/or the material detection means 4 comprises a weight meter 42, the weight meter 42 being adapted to detect the weight of the material and/or the powdery material; and/or the material detecting means 4 comprises a moisture meter (not shown) for detecting the moisture content of the material and/or the powdery material. The above-mentioned arrangement of the flowmeter 41, the volume weight meter 42 and/or the moisture meter can detect the amount of material to be treated and/or the change of the amount of powdery material to be fed into the pipe 2 in real time, which is advantageous for the control device 5 to adjust the conveying drive 3 in time.
Specifically, the control device 5 includes a first flow rate indication control module 51 (FIC), where the first flow rate indication control module 51 is connected to the material detecting device 4, and the first flow rate indication control module 51 determines a change in the material amount and/or the powdery material amount by using the flow rate, the volume weight, and/or the moisture content of the material detected by the material detecting device.
Specifically, in the first and second embodiments, the material detecting device 4 includes the flow meter 41, whereas in the third embodiment, the material detecting device 4 includes the flow meters 41 and Rong Chongji, but the arrangement of the material detecting device 4 is not limited thereto, and for example, in some embodiments, the material detecting device 4 may include one of the flow meters 41, rong Chongji and the moisture meter, or may include two of them, or may include all of them, so that the change of the material amount and/or the powdery material amount can be accurately judged.
More specifically, the flow meter 41 is a flow scale, a baffle-type flow meter, a pipeline-type flow meter, a microwave-type flow meter, or a flow meter that utilizes other detection principles to achieve flow detection.
Specifically, in the first embodiment and the second embodiment, the material detecting device 4 is used to detect the amount of powdery material to be inputted into the pipe 2, whereas in the third embodiment, the material detecting device 4 is used to detect the amount of material to be processed, but the setting of the material detecting device 4 is not limited thereto, and for example, in some embodiments, the material detecting device 4 may detect the amount of material to be processed and the amount of powdery material to be inputted into the pipe 2 at the same time, thereby accurately judging whether or not the conveyance driving device 3 needs to be adjusted.
Referring to fig. 1 to 5, the powder production and conveying system further includes a gas detection device 6, where 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 rate and/or pressure of the gas in the pipeline 2, and the control device 5 combines real-time detection information of the material detection device 4 and the gas detection device 6 to regulate the conveying driving device 3. The gas detection device 6 can detect the flow rate, flow rate and/or pressure of the gas in the pipeline 2 in real time, which is beneficial for the control device 5 to accurately regulate the conveying driving device 3.
Optionally, the gas detection means 6 comprise an anemometer 61, the anemometer 61 being adapted to detect a flow rate of the gas flowing in the pipe 2; and/or the gas detection means 6 comprises a wind meter 62, the wind meter 62 being adapted to detect the flow rate of the gas flowing in the pipe 2; and/or the gas detection means 6 comprise a wind gauge 63, the wind gauge 63 being arranged to detect the pressure of the gas flowing in the pipe 2. The above-mentioned arrangement of the anemometer 61, the anemometer 62 and/or the wind pressure meter 63 enables to directly or indirectly detect the flow rate of the gas in the pipe 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 an anemometer 61 and a wind gauge 62, the first pressure indication control module 53 is connected to a wind gauge 63, the control device 5 may directly obtain a flow rate of gas according to detection of the anemometer 61, may calculate a flow rate of gas according to detection of the wind gauge 62 in combination with a diameter of the pipe 2, may obtain a differential pressure of flowing gas according to detection of the wind gauge 63, and may calculate a flow rate of gas according to a formula p=v×v/1600 (kPa or kN/m 2). In three embodiments, the gas detection device 6 includes three of the anemometer 61, the anemometer 62 and the anemometer 63 so that accurate gas flow rate data can be obtained, but the arrangement of the gas detection device 6 is not limited thereto, and for example, in some embodiments, the gas detection device 6 may include one of the anemometer 61, the anemometer 62 and the anemometer 63, or may include two of them.
Specifically, the control device 5 is capable of calculating the flow rate, flow rate or pressure required for transporting the powdery material from the powdery material amount and/or the material amount (the flow rate and pressure may be converted into the flow rate by calculation) and directly or indirectly obtaining the flow rate of the gas in the pipe 2 from the detection of the gas detection device 6, and then adjusting the transport driving device 3 based on the above two sets of data to adjust and maintain the flow rate of the gas in the pipe 2 at a critical state of the required flow rate. After the flow rate of the gas is changed, the air quantity and the air pressure difference of the gas also change along with the change of the flow rate of the gas. However, it is also possible, for example, to give the control device 5 the flow rate, flow rate or pressure of the gas in the pipe 2 manually, the control device 5 adjusting the transport drive 3 in accordance with the given value.
Referring to fig. 1 to 4, in the first and second embodiments, the pipe 2 includes a first pipe 21 and a second pipe 22 connected to each other, a gas-powder separator 23 is provided at a junction of the first pipe 21 and the second pipe 22, the gas-powder separator 23 is configured to receive the powdery material and input the powdery material into the junction, the first pipe 21 is connected to a conveying driving device 3, and the conveying driving device 3 is configured to drive gas in the first pipe 21 to flow to the second pipe 22 to drive the powdery material to be conveyed along the second pipe 22. The above-mentioned arrangement of the gas-powder separator 23 is advantageous in that the gas of the first pipe 21 smoothly brings the powdery material to the second pipe 22, and the flowing gas is prevented from pushing the powdery material out of the pipe 2.
Specifically, the pipeline 2 is also provided with a buffer hopper 24, the buffer hopper 24 is connected with the gas-powder separator 23, and powdery materials enter the gas-powder separator 23 from the buffer hopper 24.
More specifically, the powder separator 23 includes a channel and a rotating impeller disposed in the channel, the upper end of the channel is connected to the output end of the buffer hopper 24, and the powder material enters and accumulates from the upper end of the channel, and the rotating impeller can drive the powder material to be conveyed to the lower end of the channel and isolate the gas entering the powder separator 23 along with the powder material. The gas-powder separator 23 may be an off-blower, but is not limited thereto.
Specifically, the first pipe 21 is provided with the gas detection device 6, and the conveying drive device 3 inputs gas to the first pipe 21 to achieve positive pressure conveying of the powdery material, but is not limited thereto.
Specifically, the powder production conveying system further comprises a powder material bin 7, the powder material bin 7 is connected with a second pipeline 22, and gas conveys powder materials to the powder material bin 7 along the second pipeline 22.
Referring to fig. 5, in the third embodiment, the pipeline 2 includes a first pipeline 21 and a second pipeline 22 which are connected to each other, the second pipeline 22 is connected to an output end of the material processing apparatus 1, the first pipeline 21 is connected to the conveying driving apparatus 3, the conveying driving apparatus 3 is used for driving gas in the second pipeline 22 to flow to the first pipeline 21 so as to enable the powdery material to be conveyed along the second pipeline 22, a gas-powder separator 23 is disposed at a connection position of the first pipeline 21 and the second pipeline 22, and the gas-powder separator 23 is used for separating the powdery material conveyed by the second pipeline 22. The above-described arrangement of the gas-powder separator 23 and the conveying drive 3 facilitates the smooth flow of gas from the second pipe 22 to the first pipe 21 while preventing powdery material from entering the first pipe 21 with the flowing gas. Specifically, the powdery material separated by the powder separator 23 may be input into a powder hopper for storage.
Specifically, the powder-gas separator 23 includes a channel and a rotating impeller disposed in the channel, the upper end of the channel is connected to the junction of the first pipeline 21 and the second pipeline 22, the gas drives the powder material to flow to the first pipeline 21 after reaching the junction, the powder material enters the upper end of the channel and is accumulated, the rotating impeller can drive the powder material to be conveyed to the lower end of the channel, and the gas flowing in the pipeline 2 is isolated, so that the gas is prevented from being output along with the powder material from the lower end of the channel, and the lower end of the channel is connected with the powder material bin (not shown in fig. 5). More specifically, the gas-powder separator 23 is an off-blower, but is not limited thereto.
Specifically, in the third embodiment, the first duct 21 is provided with the gas detection device 6, and the conveying drive device 3 draws gas from the first duct 21 to achieve negative pressure conveying of the powdery material, but is not limited thereto.
Specifically, the first pipe 21 is further provided with a dust-removing and filtering device 8, and the dust-removing and filtering device 8 is used for filtering and separating the powder material remained in the flowing gas.
Referring to fig. 1 and 5, in the first and third embodiments, the conveyance driving device 3 includes a blower 31, the blower 31 is connected to the control device 5, the blower 31 is used to input gas to the pipe 2 or extract gas from the pipe 2, and the control device 5 is used to control the speed at which the blower 31 inputs or extracts gas. The cooperation between the control device 5 and the fan 31 can realize air supply or induced air as required, which is beneficial to saving energy.
Specifically, in the first embodiment, the blower 31 inputs gas to the pipe 2 to achieve positive pressure conveying of the powdery material, and in the third embodiment, the blower 31 draws gas from the pipe 2 to achieve negative pressure conveying 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 that the flow speed of the gas in the pipeline 2 is changed. After the flow rate of the gas is changed, the flow rate and the pressure of the gas are changed.
Referring to fig. 2 to 4, the conveying driving device 3 includes a blower 31 and a gas storage device 32, an input end of the gas storage device 32 is connected with the blower 31, the blower 31 is used for inputting gas into the gas storage device 32, an output end of the gas storage device 32 is connected with the pipeline 2 to enable the gas to flow to the pipeline 2, a regulating valve 33 is arranged between the pipeline 2 and the gas storage device 32, the regulating valve 33 is connected with the control device 5, and the control device 5 is used for regulating the regulating valve 33 to regulate the flow rate of the gas flowing in the pipeline 2; the air storage device 32 is provided with a pressure detector 34, the pressure detector 34 is used for detecting the air pressure in the air storage device 32, the control device 5 is respectively connected with the pressure detector 34 and the air blower 31, and the control device 5 is used for controlling the air blower 31 to input air into the air storage device 32 according to real-time detection information of the pressure detector 34 so as to adjust the air pressure in the air storage device 32 to a preset value. The cooperation between the above-mentioned regulating valve 33 and the control device 5 enables automatic regulation of the flow rate of the gas flowing in the pipe 2 for on-demand supply of air, while the cooperation between the pressure detector 34 and the control device 5 enables on-demand regulation of the fan 31 for energy saving.
Alternatively, in the second embodiment, a plurality of the pipes 2 are provided, respectively, and the regulating valves 33 are provided between each pipe 2 and the gas storage device 32, respectively. The above-mentioned gas storage device 32 can concentrate the air supply for the multiple pipelines 2 when pipeline 2 carries the powdery material, has simplified holistic structure, is favorable to promoting conveying system's efficiency.
Specifically, in the wheat flour milling production line, different quality flour and bran (F1, F2, F3, secondary flour, coarse bran and fine bran) are generally produced at the same time, and the discharge ratio of the various flour and bran is often changed, so when the powder production and conveying system of the present invention is applied to the wheat flour milling production line, a plurality of pipelines 2 are required to be provided to respectively receive and convey the powdery materials (flour and bran), and a material detection device 4 is provided to respectively detect the amount of the powdery materials to be input into each pipeline 2, and a control device 5 adjusts the regulating valve 33 of the corresponding pipeline 2 according to the detection information of the material detection device 4 to change the flow rate of the flowing gas in the corresponding pipeline 2, thereby realizing the on-demand air supply of the corresponding pipeline 2, which is beneficial to saving energy. The powder production conveying system further comprises a plurality of powder material bins 7 which are correspondingly connected with the pipelines 2, and different powder materials are conveyed to the different powder material bins 7 along the pipelines 2 for storage.
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, the 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 the gas pressure in the gas storage tank 321 in real time, and the control device 5 adjusts the adjusting valve 33 of each pipe 2 according to the amount of the powdery material, and the gas pressure value in the gas storage tank 321 deviates from a preset value. The control device 5 includes a second pressure indication control module 54 (PIC), the pressure detector 34 is connected to the second pressure indication control module 54, and the second pressure indication control module 54 adjusts the speed of the fan 31 inputting the air into the air storage tank 321 according to the air pressure information detected by the pressure detector 34, so that the air pressure in the air storage tank 321 is restored to a preset value, and the operation speed of the fan 31 is automatically adjusted as required while one fan 31 supplies air to a plurality of pipelines 2, thereby being beneficial to saving energy.
Specifically, a cold dryer 323 is further disposed between the air tank 321 and the air separation cylinder 322, and the cold dryer 323 is used for freeze-drying the air flowing into the air separation cylinder 322 in the air tank 321.
Specifically, the fan 31 is a Roots fan, but not limited thereto, and the fan 31 may be an air suspension centrifugal fan or a magnetic suspension centrifugal fan, for example.
Referring to fig. 5, the material handling apparatus 1 includes a material bin 11 and a pulverizer 12, the pulverizer 12 is connected to the pipe 2, the pulverizer 12 is used for pulverizing the material input from the material bin 11 into a powdery material, and the material detecting device 4 is disposed between the pulverizer 12 and the material bin 11 and/or the material bin 11. The material detection device 4 can detect the material quantity in the material bin 11 and/or the material quantity flowing to the pulverizer 12 from the material bin 11, is favorable for the control device 5 to obtain accurate information of the material quantity to be processed, and further can accurately adjust the conveying driving device 3.
Specifically, in the third embodiment, the material detecting device 4 includes the flow meters 41 and Rong Chongji 42, the flow meter 41 is provided in the material bin 11, and the bulk density meter 42 is provided between the mill 12 and the material bin 11, but is not limited thereto. The flow meter 41 can detect the material amount in the material bin 11 in real time, the volume weight meter 42 can detect the material amount of the material bin 11 flowing to the pulverizer 12 in real time, the flow meter 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 flow meter 41 and the volume weight meter 42, and then the gas flow rate in the pipeline 2 is adjusted and kept in a required critical state by adjusting the gas extraction rate of the conveying driving device 3 from the pipeline 2.
The foregoing description of the preferred embodiments of the present invention is not intended to limit the scope of the claims, which follow, as defined in the claims.
Claims (5)
1. A powder production conveying system, comprising:
the material processing device is used for processing the materials into powdery materials;
A conduit for receiving and transporting the powdery material;
The conveying driving device is connected with the pipeline and is used for driving the 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 material to be processed and/or the amount of 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 is 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 flowing gas in the pipeline;
The material detection device comprises a flowmeter for detecting the flow rate of the material and/or the powdery material; and/or
The material detection device comprises a volume weight meter, wherein 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, wherein the moisture meter is used for detecting the moisture content of the material and/or the powdery material;
the gas detection device is arranged on the pipeline and connected with the control device, the gas detection device is used for detecting the flow speed, the flow rate and/or the pressure of the 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;
the gas detection device comprises an anemometer, wherein the anemometer is used for detecting the flow speed of gas flowing in the pipeline; and/or
The gas detection device comprises a wind meter, wherein the wind meter is used for detecting the flow rate of gas flowing in the pipeline; and/or
The gas detection device comprises a wind gauge, wherein the wind gauge is used for detecting the pressure of the flowing gas in the pipeline;
The conveying driving device comprises a fan, the fan is connected with the control device, the fan is used for inputting gas into the pipeline or extracting gas from the pipeline, and the control device is used for controlling the speed of the fan when inputting or extracting gas; or (b)
The conveying driving device comprises a fan and a gas storage device, wherein the input end of the gas storage device is connected with the fan, the fan is used for inputting gas into the gas storage device, the output end of the gas storage device is connected with the pipeline so as to enable the gas to flow to the pipeline, a regulating valve is arranged between the pipeline and the gas storage device, the regulating valve is connected with the control device, and the control device is used for regulating the regulating valve so as to regulate the flow rate of the flowing gas 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.
2. The powder production and 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 the joint of the first pipeline and the second pipeline and is used for receiving the powder material and inputting the powder 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 powder material to be conveyed along the second pipeline.
3. The powder production and 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 enable the powder material to be conveyed along the second pipeline, and a powder-gas separator is arranged at a joint of the first pipeline and the second pipeline and is used for separating the powder material conveyed by the second pipeline.
4. The powder production and transportation system according to claim 1, wherein a plurality of pipelines are respectively provided, and the regulating valves are respectively provided between the pipelines and the gas storage device.
5. The powder production conveyor system of claim 1, wherein the material handling device comprises a material bin and a mill, the mill being connected to the pipe, the mill being for grinding the material input by the material bin into the powdery material, the material detection device being arranged between the mill and the material bin and/or the material bin.
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