CN103129972B - Novel dense-phase pneumatic conveying pipeline purging device - Google Patents
Novel dense-phase pneumatic conveying pipeline purging device Download PDFInfo
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- CN103129972B CN103129972B CN201310065062.6A CN201310065062A CN103129972B CN 103129972 B CN103129972 B CN 103129972B CN 201310065062 A CN201310065062 A CN 201310065062A CN 103129972 B CN103129972 B CN 103129972B
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Abstract
The invention relates to dense-phase pneumatic conveying devices, in particular to a novel dense-phase pneumatic conveying pipeline purging device which comprises a compressor, a rotating valve, a reversing valve, a raw material bin and a destination material bin. The device is characterized in that the compressor is connected to the rotating valve through two pipelines, one pipeline is connected to the rotating valve sequentially through an inlet butterfly valve, a gas ejector and an outlet butterfly valve, and another pipeline is connected with the rotating valve directly through a conveying gas way butterfly valve. The novel dense-phase pneumatic conveying pipeline purging device mainly solves technical problems of high manufacturing cost and high energy consumption due to the fact that a conventional dense-phase pneumatic conveying system pipeline purging device needs to be provided with a compressor and a Roots fan, and can purge and clean conveying pipelines quickly and conveniently.
Description
Technical field
The present invention relates to dense-phase pneumatic conveying device, particularly a kind of blowing pipeline device of novel Dense Phase Pneumatic Conveying.
Background technology
Dense Phase Pneumatic Conveying is a kind of low gas velocity, the material pneumatic conveying process in bolt shape stream in pipeline.Compared with diluted phase transport, it is narrow-minded that two-phase transportation has conveying, and material speed is low, material wearing and tearing are little, produce the advantages such as dust is few, but due to the gas velocity of two-phase transportation low, after two-phase transportation completes, a small amount of material can remain in bottom delivery duct, causes change-over valve on pipeline cannot normal rotation, and the material of the different trade mark also can be caused to occur mixing phenomenon, therefore, after two-phase transportation completes, comparatively atm number must be adopted to purge delivery duct, material residual in clear main road.
The structure of traditional Dense Phase Pneumatic Conveying System blowing pipeline device as shown in Figure 1, source of the gas adopts the combination of compressor A and roots blower B, wherein compressor A provides the gas of the high pressure low discharge needed for two-phase transportation, and roots blower B provides the gas of the low pressure large discharge needed for blowing pipeline, open compressor A during conveying, open roots blower B during blowing pipeline, the shortcoming of prior art is that system needs to configure compressor and roots blower simultaneously, cost is higher, and energy consumption is higher.
Summary of the invention
The object of the present invention is to provide a kind of blowing pipeline device of novel Dense Phase Pneumatic Conveying, mainly solve traditional Dense Phase Pneumatic Conveying System blowing pipeline device to need to configure compressor and roots blower simultaneously, cost is higher, and the technical matters that energy consumption is higher, it can purge and dry clearly fast, easily to delivery duct.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A blowing pipeline device for novel Dense Phase Pneumatic Conveying, it comprises compressor, rotovalve, change-over valve, raw material cabin and object feed bin; It is characterized in that: this compressor is connected to rotovalve by two-way pipeline, a road is connected to rotovalve by import butterfly valve, gas ejector, exit butterfly valve successively, and another road is directly connected to rotovalve by conveying gas circuit butterfly valve.
The blowing pipeline device of described novel Dense Phase Pneumatic Conveying, is characterized in that: this gas ejector from import butterfly valve to exit butterfly valve be disposed with nozzle, suction casing, mixing section and expansion segment; This nozzle is connected with the pipeline of import butterfly valve side, and this expansion segment exit end is connected with the pipeline of exit butterfly valve side, and this suction casing to be arranged between nozzle and mixing section and to have upper inlet.
The blowing pipeline device of described novel Dense Phase Pneumatic Conveying, is characterized in that: the upper inlet configuration inlet filter of this gas ejector and silencer.
Apparatus of the present invention are compared with traditional Dense Phase Pneumatic Conveying System blowing pipeline device, and adopt gas ejector to replace roots blower, greatly reduce construction investment, during blowing pipeline, energy consumption of compressor is less than original roots blower energy consumption, reduces operation energy consumption.The blowing pipeline device of novel Dense Phase Pneumatic Conveying System of the present invention, stable and reliable for performance, operation is convenient, and application prospect is extensive.
The purging of residual material in the delivery duct that apparatus of the present invention are applicable to Dense Phase Pneumatic Conveying System in the industries such as petrochemical complex.
Accompanying drawing explanation
Fig. 1 is traditional dense-phase transporting system blowing pipeline apparatus structure schematic diagram.
In Fig. 1: A-compressor; B-roots blower; C-rotovalve; D-change-over valve; E-raw material cabin; F-object feed bin.
Fig. 2 is the structural representation of apparatus of the present invention.
In Fig. 2: 1-compressor; 2-gas ejector; 3,4,5-butterfly valve; 6-rotovalve; 7-change-over valve; 8-raw material cabin; 9-object feed bin.
Fig. 3 is the structural representation of gas ejector in the present invention.
In Fig. 3: 21-nozzle; 22-suction casing; 23-mixing section; 24-expansion segment.
Detailed description of the invention
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Refer to Fig. 2,3, the invention discloses a kind of blowing pipeline device of novel Dense Phase Pneumatic Conveying.As shown in the figure: it comprises compressor 1, rotovalve 6, change-over valve 7, raw material cabin 8 and object feed bin 9.This compressor 1 is connected to rotovalve 6 by two-way pipeline, and a road is connected to rotovalve 6 by import butterfly valve 4, gas ejector 2, exit butterfly valve 5 successively, and another road is directly connected to rotovalve 6 by conveying gas circuit butterfly valve 3.
Refer to Fig. 3, the gas ejector 2 in the present invention from import butterfly valve 4 to exit butterfly valve 5 be disposed with nozzle 21, suction casing 22, mixing section 23 and expansion segment 24; This nozzle 21 is connected with the pipeline of import butterfly valve 4 side, and this expansion segment 24 exit end is connected with the pipeline of exit butterfly valve 5 side, and this suction casing 22 to be arranged between nozzle 21 and mixing section 23 and to have upper inlet.
As a kind of preferred structure, the upper inlet configuration inlet filter of this gas ejector 2 and silencer.
During apparatus of the present invention using state: when two-phase transportation, import butterfly valve 4 and the exit butterfly valve 5 of gas ejector are closed, and conveying gas circuit butterfly valve 3 is opened, and the high pressure small-flow gas needed for conveying is still provided through conveying gas circuit butterfly valve 3 by compressor.After having carried, start blowing pipeline program, now open eductor and import and export butterfly valve 4 and exit butterfly valve 5, close conveying gas circuit butterfly valve 3, the gas (flow VT) of compressor outlet enters the horizontal access of eductor, in injector nozzle outlet with ejection at a high speed, thus form negative pressure at eductor suction casing, large quantity of air (flow Vs) is sucked from the upper inlet of eductor, two strands of gases mix at the mixing section of eductor, and enter delivery duct and purge after expansion segment slows down boosting, purge flow rate Vp=VT+Vs, along with material residual in pipeline reduces gradually in purge, purge pressure reduce gradually and finally keep constant, now blowing pipeline completes.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present invention or essential characteristic, the present invention can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the scope of the invention and spirit, can other distortion be carried out here to disclosed embodiment and change.
Claims (3)
1. a blowing pipeline device for novel Dense Phase Pneumatic Conveying, it comprises compressor (1), rotovalve (6), change-over valve (7), raw material cabin (8) and object feed bin (9); It is characterized in that: this compressor (1) is connected to rotovalve (6) by two-way pipeline, one tunnel is connected to rotovalve (6) by import butterfly valve (4), gas ejector (2), exit butterfly valve (5) successively, and another road is directly connected to rotovalve (6) by conveying gas circuit butterfly valve (3).
2. the blowing pipeline device of novel Dense Phase Pneumatic Conveying according to claim 1, is characterized in that: this gas ejector (2) from import butterfly valve (4) to exit butterfly valve (5) be disposed with nozzle (21), suction casing (22), mixing section (23) and expansion segment (24); This nozzle (21) is connected with the pipeline of import butterfly valve (4) side, and this expansion segment (24) exit end is connected with the pipeline of exit butterfly valve (5) side, and this suction casing (22) to be arranged between nozzle (21) and mixing section (23) and to have upper inlet.
3. the blowing pipeline device of novel Dense Phase Pneumatic Conveying according to claim 2, is characterized in that: the upper inlet configuration inlet filter of this gas ejector (2) and silencer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310065062.6A CN103129972B (en) | 2013-03-01 | 2013-03-01 | Novel dense-phase pneumatic conveying pipeline purging device |
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| CN201310065062.6A CN103129972B (en) | 2013-03-01 | 2013-03-01 | Novel dense-phase pneumatic conveying pipeline purging device |
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| CN103129972A CN103129972A (en) | 2013-06-05 |
| CN103129972B true CN103129972B (en) | 2015-02-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512727A (en) * | 2013-09-30 | 2015-04-15 | 宁夏嘉翔自控技术有限公司 | Pneumatic flour transmitting system |
| CN107055100A (en) * | 2017-06-08 | 2017-08-18 | 青岛软控机电工程有限公司 | Air-transport system |
| CN107720278B (en) * | 2017-08-29 | 2019-10-18 | 北京普惠实华科技有限公司 | A kind of rotary valve Dense Phase Pneumatic Conveying System and method |
| CN107814203A (en) * | 2017-11-23 | 2018-03-20 | 北京神雾电力科技有限公司 | A kind of new type high temperature semicoke air-transport system |
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| DE4328626A1 (en) * | 1993-08-27 | 1995-03-02 | Motan Verfahrenstechnik | Method for operating a conveyor pipeline with dense-stream conveyance and apparatus for carrying out the method |
| CN2490130Y (en) * | 2001-07-27 | 2002-05-08 | 常州新区华源电力技术开发有限公司 | Multi-chamber pump positive presssure pneumatic conveying device |
| CN2663365Y (en) * | 2003-10-20 | 2004-12-15 | 杭州中科管道物流工程有限公司 | Pneumatic conveying device for super fine material |
| CN201140931Y (en) * | 2008-01-15 | 2008-10-29 | 董跃祥 | Pressure-reducing increment device |
| CN201842507U (en) * | 2010-10-28 | 2011-05-25 | 济南大学 | Concentrated phase pneumatic conveying self-diagnosis self-removal dredging system |
| CN202414780U (en) * | 2012-01-12 | 2012-09-05 | 江苏艾特克阻燃材料有限公司 | Pneumatic conveyor |
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2013
- 2013-03-01 CN CN201310065062.6A patent/CN103129972B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4328626A1 (en) * | 1993-08-27 | 1995-03-02 | Motan Verfahrenstechnik | Method for operating a conveyor pipeline with dense-stream conveyance and apparatus for carrying out the method |
| CN2490130Y (en) * | 2001-07-27 | 2002-05-08 | 常州新区华源电力技术开发有限公司 | Multi-chamber pump positive presssure pneumatic conveying device |
| CN2663365Y (en) * | 2003-10-20 | 2004-12-15 | 杭州中科管道物流工程有限公司 | Pneumatic conveying device for super fine material |
| CN201140931Y (en) * | 2008-01-15 | 2008-10-29 | 董跃祥 | Pressure-reducing increment device |
| CN201842507U (en) * | 2010-10-28 | 2011-05-25 | 济南大学 | Concentrated phase pneumatic conveying self-diagnosis self-removal dredging system |
| CN202414780U (en) * | 2012-01-12 | 2012-09-05 | 江苏艾特克阻燃材料有限公司 | Pneumatic conveyor |
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