CN104555438A - Pneumatic conveying system for coal ash - Google Patents
Pneumatic conveying system for coal ash Download PDFInfo
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- CN104555438A CN104555438A CN201310490921.6A CN201310490921A CN104555438A CN 104555438 A CN104555438 A CN 104555438A CN 201310490921 A CN201310490921 A CN 201310490921A CN 104555438 A CN104555438 A CN 104555438A
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- fly ash
- air
- pneumatic
- coal ash
- transport system
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Abstract
The invention relates to a pneumatic conveying system for coal ash. The pneumatic conveying system comprises a Roots blower 1, an airflow pipe 2, a high-speed sealing belt conveyer 3, a pneumatic feeding valve 4, a manual gate valve 5, a coal ash hopper 6, a Venturi jetting device 7, a coal ash and airflow conveying pipe 8, a pneumatic line-changing valve 9, a hopper 10, a centrifugal induced draft fan 11, an impulse type back blowing bag type hopper dust collector 12, a vibratory pneumatic hammer 13, an activating hopper 14, a pneumatic discharging valve 15 and an electrical control system 16, and is characterized in that by the high-speed sealing belt conveyer 3 and the Venturi jetting device 7, coal ash enters carrying airflow so that the coal ash can be conveyed continuously and stably. By the pneumatic conveying system, a large amount of coal ash can be conveyed pneumatically and continuously within a short conveying distance from a place to a plurality of places. The pneumatic conveying system for the coal ash has the advantages that the repair cost is low and the repair workload is small; and by the Venturi jetting device, a large amount of coal ash can be conveyed within a short time.
Description
Technical field
The present invention relates to a kind of air-transport system of fly ash, be applicable to the continus convergence of fly ash, large operational throughput, short range conveying, a bit to the air-transport system of multiple spot conveying, Pneumatic Conveying Technology field can be belonged to.
Background technology
Current domestic ash transfer many uses high speed screw conveyor, its shortcoming is: coal ash and sand are very similar, the coal ash material that inherently individual friction force is very strong.Therefore comparatively large to the wearing and tearing of blade and cylindrical shell in actual production, maintenance capacity and be that service expenditure is higher.
Summary of the invention
The object of the invention is to improve the deficiencies in the prior art, a kind of air-transport system of wear and tear little, maintenance capacity and the low fly ash of service expenditure is provided.The object of the present invention is achieved like this
:the present invention relates to a kind of fly ash air-transport system, delivery system comprises roots blower 1, airflow line 2, high-speed sealing belt feeder 3, air-actuated feeding valve 4, hand operated gate valve 5, fine coal ash bucket 6, Venturi fluidic device 7, fly ash and airflow pipeline 8, pneumatic divert valve 9, feed bin 10, centrifugal induced draught fan 11, pulsed blowback pocket type dust remover for storage bin 12, vibration pneumatic hammer 13, activation hopper 14, pneumatic bleeder valve 15, electric control system 16 forms, it is characterized in that application high-speed sealing belt feeder 3 and in conjunction with Venturi fluidic device 7 technology, fly ash entered carrying the conveying that air-flow realizes continous-stable, be applicable to continus convergence, operational throughput is large, fed distance is short, can a bit to the fly ash Geldart-D particle of multiple spot conveying.Described roots blower 1 is for providing source of the gas.Described high-speed sealing belt feeder 3 is used for fly ash and air-flow mixing, and produces transmitting power, and is sent into by fly ash in fly ash and airflow pipeline 8.Described Venturi fluidic device 7, for supplementing, increase conveying air quantity to air flow rate, is arranged on high-speed sealing belt feeder 3 and between fly ash and airflow pipeline 8.The fly ash that described feed bin 10 puts in place for Storing and conveying.Described centrifugal induced draught fan 11, pulsed blowback pocket type dust remover for storage bin 12 are arranged on feed bin 10, for collecting, processing the dust that feed bin 10 produces.Described activation hopper 14 carries out buffering even feeding for the fly ash that will be stored in the middle of feed bin 10, makes flyash activating, the fly ash being greater than fly ash angle of repose is also had to the effect of gate, is arranged on the bottom of feed bin 10.Described vibration pneumatic hammer 13 is arranged on the bottom of spark hopper 14, for by the fly ash vibration broken arch in activation hopper 14, discharge.Described electric control system 16 comprises PLC programmable control system, industrial computer, also other DCS control system accessible.
the invention has the beneficial effects as follows:
1, service expenditure is low, maintenance load is little;
2, use Venturi fluidic device, a large amount of fly ash can be carried at short notice.
Accompanying drawing explanation
Fig. 1 is the structural representation sketch of the air-transport system of a kind of fly ash provided by the invention:
1-roots blower 2-airflow line 3-venturi pump high-speed sealing belt feeder 4-air-actuated feeding valve 5-hand operated gate valve 6-silo 7-Venturi fluidic device 8-material and airflow pipeline 9-pneumatic divert valve 10-feed bin 11-centrifugal induced draught fan 12-pulsed blowback pocket type dust remover for storage bin 13-vibrate pneumatic hammer 14-and activate hopper 15-pneumatic bleeder valve 16-electric control system.
Detailed description of the invention
the air-transport system composition of embodiment 1 one kinds of fly ash and effect:
Delivery system comprises roots blower 1, airflow line 2, high-speed sealing belt feeder 3, air-actuated feeding valve 4, hand operated gate valve 5, fine coal ash bucket 6, Venturi fluidic device 7, fly ash and airflow pipeline 8, pneumatic divert valve 9, feed bin 10, centrifugal induced draught fan 11, pulsed blowback pocket type dust remover for storage bin 12, vibration pneumatic hammer 13, activation hopper 14, pneumatic bleeder valve 15, electric control system 16 forms, it is characterized in that application high-speed sealing belt feeder 3 and in conjunction with Venturi fluidic device 7 technology, fly ash entered carrying the conveying that air-flow realizes continous-stable, be applicable to continus convergence, operational throughput is large, fed distance is short, can a bit to the fly ash Geldart-D particle of multiple spot conveying.Described roots blower 1 is for providing source of the gas.Described high-speed sealing belt feeder 3 is used for, by fly ash and air-flow mixing, and producing transmitting power, and is sent into by fly ash in fly ash and fly ash and airflow pipeline 8.Described Venturi fluidic device 7, for supplementing, increase conveying air quantity to air flow rate, is arranged on high-speed sealing belt feeder 3 and fly ash and between fly ash and airflow pipeline 8.The fly ash that described feed bin 10 puts in place for Storing and conveying.Described centrifugal induced draught fan 11, pulsed blowback pocket type dust remover for storage bin 12 are arranged on feed bin 10, for collecting, processing the dust that feed bin 10 produces.Described activation hopper 14 carries out buffering even feeding for the fly ash that will be stored in the middle of feed bin 10, makes flyash activating, the fly ash being greater than fly ash angle of repose is also had to the effect of gate, is arranged on the bottom of feed bin 10.Described vibration pneumatic hammer 13 is arranged on the bottom of spark hopper 14, for by the fly ash vibration broken arch in activation hopper 14, discharge.Described electric control system 16 comprises PLC programmable control system, industrial computer, also other DCS control system accessible.
the working process of the air-transport system of embodiment 2 one kinds of fly ash:
After particle and granular material are added by silo 6, extracting out from lower part outlet under the effect of air-flow and Venturi fluidic device 7 after high-speed sealing belt feeder 3 sends into material and compressed air tunnel 8, need to be dispensed into feed bin 10 by pneumatic divert valve 9 according to technology and production, carry out discharge through pneumatic bleeder valve 15 pairs of materials, above relevant action is all action under the control of electric control system 16.
Claims (9)
1. the present invention relates to a kind of air-transport system of fly ash, delivery system comprises roots blower 1, airflow line 2, high-speed sealing belt feeder 3, air-actuated feeding valve 4, hand operated gate valve 5, fine coal ash bucket 6, Venturi fluidic device 7, fly ash and airflow pipeline 8, pneumatic divert valve 9, feed bin 10, centrifugal induced draught fan 11, pulsed blowback pocket type dust remover for storage bin 12, vibration pneumatic hammer 13, activation hopper 14, pneumatic bleeder valve 15, electric control system 16 forms, it is characterized in that application high-speed sealing belt feeder 3 and in conjunction with Venturi fluidic device 7 technology, fly ash entered carrying the conveying that air-flow realizes continous-stable, be applicable to continus convergence, operational throughput is large, fed distance is short, can a bit to the fly ash Geldart-D particle of multiple spot conveying.
2. the air-transport system of a kind of fly ash according to claim 1, is characterized in that described roots blower 1 is for providing source of the gas.
3. the air-transport system of a kind of fly ash according to claim 1, is characterized in that described high-speed sealing belt feeder 3 is used for fly ash and air-flow mixing, and produces transmitting power, and sent into by fly ash in fly ash and airflow pipeline 8.
4. the air-transport system of a kind of fly ash according to claim 1, it is characterized in that described Venturi fluidic device 7 is for supplementing, increasing conveying air quantity to air flow rate, be arranged on high-speed sealing belt feeder 3 and between fly ash and airflow pipeline 8.
5. the air-transport system of a kind of fly ash according to claim 1, is characterized in that the fly ash that described feed bin 10 puts in place for Storing and conveying.
6. the air-transport system of a kind of fly ash according to claim 5, is characterized in that described centrifugal induced draught fan 11, pulsed blowback pocket type dust remover for storage bin 12 is arranged on feed bin 10, for collecting, processing the dust that feed bin 10 produces.
7. the air-transport system of a kind of fly ash according to claim 1, it is characterized in that described activation hopper 14 carries out buffering even feeding for the fly ash that will be stored in the middle of feed bin 10, make flyash activating, the fly ash being greater than fly ash angle of repose is also had to the effect of gate, be arranged on the bottom of feed bin 10.
8. the air-transport system of a kind of fly ash according to claim 7, is characterized in that described vibration pneumatic hammer 13 is arranged on the bottom of spark hopper 14, for by the fly ash vibration broken arch in activation hopper 14, discharge.
9. the air-transport system of a kind of fly ash according to claim 1, is characterized in that described electric control system 16 comprises PLC programmable control system, industrial computer, also other DCS control system accessible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310490921.6A CN104555438A (en) | 2013-10-20 | 2013-10-20 | Pneumatic conveying system for coal ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310490921.6A CN104555438A (en) | 2013-10-20 | 2013-10-20 | Pneumatic conveying system for coal ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104555438A true CN104555438A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310490921.6A Pending CN104555438A (en) | 2013-10-20 | 2013-10-20 | Pneumatic conveying system for coal ash |
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| CN (1) | CN104555438A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107539652A (en) * | 2017-09-13 | 2018-01-05 | 广州赫扬机械设备有限公司 | One plant feed bin strength broken arch is blown control method and system |
| CN107812455A (en) * | 2017-11-28 | 2018-03-20 | 南京塔川化工设备有限公司 | A kind of FCC catalyst gravity of Geldart-D particle adjusts mixing device and method |
| CN107934567A (en) * | 2017-12-08 | 2018-04-20 | 北京神雾电力科技有限公司 | Low order fine coal Geldart-D particle lifting system and method |
| CN110371678A (en) * | 2019-07-24 | 2019-10-25 | 浙江管工智能机械设备有限公司 | A kind of storehouse pump transportation system |
-
2013
- 2013-10-20 CN CN201310490921.6A patent/CN104555438A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107539652A (en) * | 2017-09-13 | 2018-01-05 | 广州赫扬机械设备有限公司 | One plant feed bin strength broken arch is blown control method and system |
| CN107539652B (en) * | 2017-09-13 | 2019-07-12 | 广州赫扬机械设备有限公司 | One plant feed bin strength broken arch is blown control method and system |
| CN107812455A (en) * | 2017-11-28 | 2018-03-20 | 南京塔川化工设备有限公司 | A kind of FCC catalyst gravity of Geldart-D particle adjusts mixing device and method |
| CN107812455B (en) * | 2017-11-28 | 2023-10-13 | 南京塔川化工设备有限公司 | Pneumatic conveying FCC catalyst gravity mixing device and method |
| CN107934567A (en) * | 2017-12-08 | 2018-04-20 | 北京神雾电力科技有限公司 | Low order fine coal Geldart-D particle lifting system and method |
| CN110371678A (en) * | 2019-07-24 | 2019-10-25 | 浙江管工智能机械设备有限公司 | A kind of storehouse pump transportation system |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150429 |