CN104555456A - Automatic electrical control system of pneumatic wheat conveying system - Google Patents
Automatic electrical control system of pneumatic wheat conveying system Download PDFInfo
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- CN104555456A CN104555456A CN201310491558.XA CN201310491558A CN104555456A CN 104555456 A CN104555456 A CN 104555456A CN 201310491558 A CN201310491558 A CN 201310491558A CN 104555456 A CN104555456 A CN 104555456A
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Abstract
The invention relates to an automatic electrical control system of a pneumatic wheat conveying system. The automatic electrical control system comprise a PLC system 1, an industrial control or DCS 2, an air compressor and freezing and drying motor 3, an electric contact pressure gauge 4, a pressure adjusting valve 5, an upper air feed valve 6, a pneumatic exhaust valve 7, a pressure transducer 8, a pneumatic feed valve 9, a pneumatic pre-closing valve 10, a pneumatic discharge valve 111, a high level material level meter 12, an air pressurizing device 13, a pulse air blade valve 14, a pneumatic change valve 15, a high level material level meter 16, a pressure relief valve 17, a pulse reverse bag blowing type material bin dust remover pulse valve 18, a pulse reverse bag blowing type material bin dust remover air guiding fan motor 19, a low level material level meter 20, a pneumatic gate valve 21, a signal transmission cable 22, a weighing sensor 23 and a mass flow meter 24. The automatic electrical control system is characterized in that the system is controlled by the PLC system 1 in a concentrated manner, the material-air ratio ranges from 20 to 22, and the pipeline equipment is adjusted according to the material-air ratio.
Description
Technical field
The present invention relates to the automatic electrical control system of the air-transport system of a grow wheat, can a bit can long distance delivery to multiple spot conveying, the automatic electrical control system of ultra dense phase Ultra-Low Speed air-transport system, belong to Geldart-D particle technical field of electrical automation control.
Background technology
The carrying of the warehousing storage of traditional wheat, the process of falling storehouse use blower fan to do source of the gas, can only make wheat low force down wind speed under carry, and start under the situation of full packages and easily form embolism, result in blockage pipeline.The present invention is matched in a kind of pressurized air that uses to do source of the gas, pressurized air air consumption is low, the storage tank matched, power of motor are all lower, and startup can not form embolism, the automatic electrical control system of the air-transport system of the grow wheat that operating cost is low under the situation of full packages.
Summary of the invention
Object of the present invention does source of the gas being matched in a kind of pressurized air that uses, pressurized air air consumption is low, the storage tank matched, power of motor are all lower, and startup can not form embolism, the automatic electrical control system of the air-transport system of the grow wheat that operating cost is low under the situation of full packages.The object of the present invention is achieved like this: the automatic electrical control system that the present invention relates to the air-transport system of a grow wheat, and automatic electrical control system comprises PLC programmable control system 1, industrial computer or DCS system 2, air compressor and freeze drier motor 3, electro connecting pressure gauge 4, pressure regulating valve 5, upper inlet valve 6, pneumatic blow off valve 7, pressure transformer 8, air-actuated feeding valve 9, pneumatic pre-shutdown valve 10, pneumatic bleeder valve 11, high-order level-sensing device 12, gas booster 13, pulse air knife valve 14, pneumatic divert valve 15, high-order level-sensing device 16, pressure relief valve 17, pulse backblowing pocket type dust remover for storage bin pulse valve 18, pulse backblowing pocket type dust remover for storage bin id-motor 19, low level level-sensing device 20, pneumatic gate valve 21, signal-transmitting cable 22, LOAD CELLS 23, mass flowmeter 24 forms, and it is characterized in that automatic electrical control system is central controlled by PLC programmable control system 1, its material-gas ratio is 20-22, and system carries out the adjustment of spool equipment according to this material-gas ratio.Described industrial computer or DCS system 2 interface show various operations, the supervision drawing at each controlling point respectively; And the picture such as overview panel, Process flow diaphragm, trend record, warning, operation of display carries out observation and analysis, change technological parameter and state; There is instrument picture inventory, system overview panel, warning overview panel, setting parameter picture.Described electro connecting pressure gauge 4 is arranged on storage tank, and for measuring the pressure in display storage tank.Described pressure regulating valve 5, upper inlet valve 6, pneumatic blow off valve 7, pressure transformer 8, air-actuated feeding valve 9, pneumatic pre-shutdown valve 10, pneumatic bleeder valve 11, high-order level-sensing device 12 are arranged on pneumatic delivery bin pump, for carrying wheat grain.Described pressure relief valve 17 is arranged on feed bin, for discharging excess pressure in feed bin, keeps feed bin internal pressure to balance.Described high-order level-sensing device 16, low level level-sensing device 20 for measuring the height material level of feed bin, and send indicator signal.Described signal-transmitting cable 22 is for PLC programmable control system 1, industrial computer or DCS system 2, air compressor and freeze drier motor 3, electro connecting pressure gauge 4, pressure regulating valve 5, upper inlet valve 6, pneumatic blow off valve 7, pressure transformer 8, air-actuated feeding valve 9, pneumatic pre-shutdown valve 10, pneumatic bleeder valve 11, high-order level-sensing device 12, gas booster 13, pulse air knife valve 14, pneumatic divert valve 15, high-order level-sensing device 16, pressure relief valve 17, pulse backblowing pocket type dust remover for storage bin pulse valve 18, pulse backblowing pocket type dust remover for storage bin motor 19, low level level-sensing device 20, pneumatic gate valve 21, LOAD CELLS 23, Signal transmissions between mass flowmeter 24 connects.Under described LOAD CELLS 23 is arranged on hopper.Described mass flowmeter 24 is arranged on Air compressor compressed air piping exit.
the invention has the beneficial effects as follows:
1, control process realizes associated components action association, automatically performs action;
2, ensure that in course of conveying, gas material is than optimal control, save pressurized air, reduce operating cost;
3, control system is the comprehensive digitization system that a collection monitored, was operating as one, and operating personal can carry out operating, monitoring and record by means of only the monitoring image on the touch-screen be located in operator's compartment.
Accompanying drawing explanation
fig. 1 is the structural representation sketch of the automatic electrical control system of the air-transport system of a grow wheat:
1-PLC programmable control system 2-industrial computer or DCS system 3-air compressor and the high-order level-sensing device 13-gas booster 14-pulse air knife valve 15-of freeze drier motor 4-electro connecting pressure gauge 5-pressure regulating valve 6-upper inlet valve 7-pneumatic blow off valve 8-pressure transformer 9-air-actuated feeding valve 10-pneumatic pre-shutdown valve 11-pneumatic bleeder valve 12-pneumatic divert valve 16-high-order level-sensing device 17-pressure relief valve 18-pulse backblowing pocket type dust remover for storage bin pulse valve 19-pulse backblowing pocket type dust remover for storage bin motor 20-low level level-sensing device 21-pneumatic gate valve 22-signal-transmitting cable 23-LOAD CELLS 24-mass flowmeter.
Detailed description of the invention
the composition of the automatic electrical control system of the air-transport system of embodiment 1 one grow wheat and effect:
Automatic electrical control system comprises PLC programmable control system 1, industrial computer or DCS system 2, air compressor and freeze drier motor 3, electro connecting pressure gauge 4, pressure regulating valve 5, upper inlet valve 6, pneumatic blow off valve 7, pressure transformer 8, air-actuated feeding valve 9, pneumatic pre-shutdown valve 10, pneumatic bleeder valve 11, high-order level-sensing device 12, gas booster 13, pulse air knife valve 14, pneumatic divert valve 15, high-order level-sensing device 16, pressure relief valve 17, pulse backblowing pocket type dust remover for storage bin pulse valve 18, pulse backblowing pocket type dust remover for storage bin id-motor 19, low level level-sensing device 20, pneumatic gate valve 21, signal-transmitting cable 22, LOAD CELLS 23, mass flowmeter 24 forms, it is characterized in that automatic electrical control system is central controlled by PLC programmable control system 1, its material-gas ratio is 20-22, system carries out the adjustment of spool equipment according to this material-gas ratio.Described industrial computer or DCS system 2 interface show various operations, the supervision drawing at each controlling point respectively; And the picture such as overview panel, Process flow diaphragm, trend record, warning, operation of display carries out observation and analysis, change technological parameter and state; There is instrument picture inventory, system overview panel, warning overview panel, setting parameter picture.Described electro connecting pressure gauge 4 is arranged on storage tank, and for measuring the pressure in display storage tank.Described pressure regulating valve 5, upper inlet valve 6, pneumatic blow off valve 7, pressure transformer 8, air-actuated feeding valve 9, pneumatic pre-shutdown valve 10, pneumatic bleeder valve 11, high-order level-sensing device 12 are arranged on pneumatic delivery bin pump, for carrying wheat grain.Described pressure relief valve 17 is arranged on feed bin, for discharging excess pressure in feed bin, keeps feed bin internal pressure to balance.Described high-order level-sensing device 16, low level level-sensing device 20 for measuring the height material level of feed bin, and send indicator signal.Described signal-transmitting cable 22 is for PLC programmable control system 1, industrial computer or DCS system 2, air compressor and freeze drier motor 3, electro connecting pressure gauge 4, pressure regulating valve 5, upper inlet valve 6, pneumatic blow off valve 7, pressure transformer 8, air-actuated feeding valve 9, pneumatic pre-shutdown valve 10, pneumatic bleeder valve 11, high-order level-sensing device 12, gas booster 13, pulse air knife valve 14, pneumatic divert valve 15, high-order level-sensing device 16, pressure relief valve 17, pulse backblowing pocket type dust remover for storage bin pulse valve 18, pulse backblowing pocket type dust remover for storage bin motor 19, low level level-sensing device 20, pneumatic gate valve 21, LOAD CELLS 23, Signal transmissions between mass flowmeter 24 connects.Under described LOAD CELLS 23 is arranged on hopper.Described mass flowmeter 24 is arranged on Air compressor compressed air piping exit.
the working process of the automatic electrical control system of the air-transport system of embodiment 2 one grow wheat:
Industrial computer or DCS system 2 pass through PLC programmable control system 1 according to material-gas ratio through LOAD CELLS 23, mass flowmeter 24 data measured, by by the storage tank pressurized air through pressure regulating valve 5 settling pressure value out, the material added by silo is drained into storehouse pump discharge by pneumatic bleeder valve 11 according to the ratio value of material-gas ratio 20-22, and be transported in material pipe, need to be distributed by pneumatic divert valve 15 to put in storage according to technology and production, high-order level-sensing device 16 and low level level-sensing device 20 are arranged on feed bin, for controlling bin-level.When the force value in storehouse pump and feed bin exceedes setting value, pneumatic blow off valve 7, pressure relief valve 17 will discharge too high force value, and the pressure in storehouse pump and feed bin is remained in setting value.The action of pneumatic gate valve 21 for opening and closing the outlet of feed bin, so that wheat grain is transported to appointed place.
Claims (9)
1. the present invention relates to the automatic electrical control system of the air-transport system of a grow wheat, automatic electrical control system comprises PLC programmable control system 1, industrial computer or DCS system 2, air compressor and freeze drier motor 3, electro connecting pressure gauge 4, pressure regulating valve 5, upper inlet valve 6, pneumatic blow off valve 7, pressure transformer 8, air-actuated feeding valve 9, pneumatic pre-shutdown valve 10, pneumatic bleeder valve 11, high-order level-sensing device 12, gas booster 13, pulse air knife valve 14, pneumatic divert valve 15, high-order level-sensing device 16, pressure relief valve 17, pulse backblowing pocket type dust remover for storage bin pulse valve 18, pulse backblowing pocket type dust remover for storage bin id-motor 19, low level level-sensing device 20, pneumatic gate valve 21, signal-transmitting cable 22, LOAD CELLS 23, mass flowmeter 24 forms, it is characterized in that automatic electrical control system is central controlled by PLC programmable control system 1, its material-gas ratio is 20-22, system carries out the adjustment of spool equipment according to this material-gas ratio.
2. the automatic electrical control system of the air-transport system of a grow wheat according to claim 1, is characterized in that described industrial computer or DCS system 2 interface show various operations, the supervision drawing at each controlling point respectively; And the picture such as overview panel, Process flow diaphragm, trend record, warning, operation of display carries out observation and analysis, change technological parameter and state; There is instrument picture inventory, system overview panel, warning overview panel, setting parameter picture.
3. the automatic electrical control system of the air-transport system of a grow wheat according to claim 1, is characterized in that described electro connecting pressure gauge 4 is arranged on storage tank, and for measuring the pressure in display storage tank.
4. the automatic electrical control system of the air-transport system of a grow wheat according to claim 1, it is characterized in that described pressure regulating valve 5, upper inlet valve 6, pneumatic blow off valve 7, pressure transformer 8, air-actuated feeding valve 9, pneumatic pre-shutdown valve 10, pneumatic bleeder valve 11, high-order level-sensing device 12 are arranged on pneumatic delivery bin pump, for carrying wheat grain.
5. the automatic electrical control system of the air-transport system of a grow wheat according to claim 1, is characterized in that described pressure relief valve 17 is arranged on feed bin, for discharging excess pressure in feed bin, keeps feed bin internal pressure to balance.
6. the automatic electrical control system of the air-transport system of a grow wheat according to claim 1, is characterized in that described high-order level-sensing device 16, low level level-sensing device 20 are for measuring the height material level of feed bin, and send indicator signal.
7. the automatic electrical control system of the air-transport system of a grow wheat according to claim 1, it is characterized in that described signal-transmitting cable 22 is for PLC programmable control system 1, industrial computer or DCS system 2, air compressor and freeze drier motor 3, electro connecting pressure gauge 4, pressure regulating valve 5, upper inlet valve 6, pneumatic blow off valve 7, pressure transformer 8, air-actuated feeding valve 9, pneumatic pre-shutdown valve 10, pneumatic bleeder valve 11, high-order level-sensing device 12, gas booster 13, pulse air knife valve 14, pneumatic divert valve 15, high-order level-sensing device 16, pressure relief valve 17, pulse backblowing pocket type dust remover for storage bin pulse valve 18, pulse backblowing pocket type dust remover for storage bin motor 19, low level level-sensing device 20, pneumatic gate valve 21, LOAD CELLS 23, Signal transmissions between mass flowmeter 24 connects.
8. the automatic electrical control system of the air-transport system of a grow wheat according to claim 1, under being characterised in that described LOAD CELLS 23 is arranged on hopper.
9. the automatic electrical control system of the air-transport system of a grow wheat according to claim 1, is characterised in that described mass flowmeter 24 is arranged on Air compressor compressed air piping exit.
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| CN201310491558.XA CN104555456A (en) | 2013-10-20 | 2013-10-20 | Automatic electrical control system of pneumatic wheat conveying system |
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| CN201310491558.XA CN104555456A (en) | 2013-10-20 | 2013-10-20 | Automatic electrical control system of pneumatic wheat conveying system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429452A (en) * | 2016-12-21 | 2017-02-22 | 浙江智的智能装备技术有限公司 | Powder adjuvant dense-phrase pneumatic conveying system |
| CN108394727A (en) * | 2018-05-07 | 2018-08-14 | 苏州龙杰特种纤维股份有限公司 | A kind of energy-saving extra long distance automatic pneumatic transport system |
| CN108840106A (en) * | 2018-05-04 | 2018-11-20 | 太原理工大学 | A kind of visualization long range concentrated phase positive pneumatic transport experimental rig |
| CN113562468A (en) * | 2021-08-06 | 2021-10-29 | 山西金驹煤电化有限责任公司 | In-situ one-key starting method for preparing pneumatic conveying system based on reducing agent |
| CN114955554A (en) * | 2022-05-10 | 2022-08-30 | 中磁(深圳)节能科技有限公司 | Powder production conveying system |
| CN116062479A (en) * | 2022-12-08 | 2023-05-05 | 华北水利水电大学 | Pneumatic conveying signal characteristic analysis device and analysis method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429452A (en) * | 2016-12-21 | 2017-02-22 | 浙江智的智能装备技术有限公司 | Powder adjuvant dense-phrase pneumatic conveying system |
| CN108840106A (en) * | 2018-05-04 | 2018-11-20 | 太原理工大学 | A kind of visualization long range concentrated phase positive pneumatic transport experimental rig |
| CN108394727A (en) * | 2018-05-07 | 2018-08-14 | 苏州龙杰特种纤维股份有限公司 | A kind of energy-saving extra long distance automatic pneumatic transport system |
| CN108394727B (en) * | 2018-05-07 | 2023-12-22 | 苏州龙杰特种纤维股份有限公司 | Energy-saving ultra-long distance automatic pneumatic conveying system |
| CN113562468A (en) * | 2021-08-06 | 2021-10-29 | 山西金驹煤电化有限责任公司 | In-situ one-key starting method for preparing pneumatic conveying system based on reducing agent |
| CN113562468B (en) * | 2021-08-06 | 2022-11-18 | 山西金驹煤电化有限责任公司 | In-situ one-key starting method for preparing pneumatic conveying system based on reducing agent |
| CN114955554A (en) * | 2022-05-10 | 2022-08-30 | 中磁(深圳)节能科技有限公司 | Powder production conveying system |
| CN116062479A (en) * | 2022-12-08 | 2023-05-05 | 华北水利水电大学 | Pneumatic conveying signal characteristic analysis device and analysis method |
| CN116062479B (en) * | 2022-12-08 | 2023-09-26 | 华北水利水电大学 | Analysis method of pneumatic conveying signal characteristic analysis device |
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