CN105022418A - Method for stabilization of air flow of negative pressure pneumatic transport system through flow automatic regulator - Google Patents
Method for stabilization of air flow of negative pressure pneumatic transport system through flow automatic regulator Download PDFInfo
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Abstract
A method for stabilization of air flow of negative pressure pneumatic transport system through flow automatic regulator provided by the present invention is characterized in that: each of branch air flow pipelines in the negative pressure pneumatic transport system is provided with a flow automatic regulator which is used for regulating air flow in the branch air flow pipeline to be in a stable optimal working condition when air flow in the branch air flow pipeline is changed, thereby the rate of the air flow, in the main pipeline of the negative pressure pneumatic transport system, reaches an optimal steady state value, and fluctuation of air flow caused by intermittent and random variation and temporary stoppage of working equipment during the working process is maximally reduced in the negative pressure pneumatic transport system.
Description
Technical field
The present invention relates to Pneumatic Conveying Technology field, particularly a kind of method being carried out stable negative-pressure pneumatic transmission system air flow rate by automatic flow rate adjusting device.
Background technology
At present, Geldart-D particle and correlation technique are widely used in the departments such as building materials, chemical industry, grain, metallurgy, mining, environmental protection, light industry, the energy, in operation, to various part powder, graininess, threadiness and foliated material, adopt the mode of Geldart-D particle more and more widely.
Negative-pressure pneumatic transmission system has the advantage that reduced investment, flexible arrangement, reliability are high, be convenient to maintenance management.As shown in Figure 4, comprise total pipeline 1 and complex root branch flow pipeline 2, one end of branch flow pipeline 2 is connected with total pipeline 1 existing negative-pressure pneumatic transmission system pipeline, and the other end is connected with working equipment (as cigarette machine).When all working equipment in access negative-pressure pneumatic transmission system is all when normally working, the air flow rate in total pipeline 1 is the air flow rate sum in all branch flow pipelines 2.
Due to reasons such as each working equipment intermittence in the course of the work, random variation and the hesitations in access negative-pressure pneumatic transmission system; such as one or several working equipments shutdown; air flow rate in total pipeline 1 will be caused to change; and then have influence on air flow rate in other branch flow pipeline 2 and change; system is made to be difficult to reach Optimization Work state; even produce surge and cannot steady operation, have impact on product quality to a great extent.
Therefore; the air flow rate that people wish to adopt a kind of practicality automatic flow rate adjusting device reliable, easy for installation, with low cost to come in real-tune TT & C branch flow pipeline 2; the air flow rate moment in branch flow pipeline 2 is made to be in stable Optimization Work state; and then make the air flow rate of negative-pressure pneumatic transmission system total pipeline 1 reach the steady state value of optimization, eliminate the air flow rate unusual fluctuations in the branch flow pipeline 2 caused because of the intermittence of the working equipment course of work, the reason such as random variation and hesitation.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art and a kind of method being carried out stable negative-pressure pneumatic transmission system air flow rate by automatic flow rate adjusting device is provided.
Technical scheme of the present invention is: a kind of method being carried out stable negative-pressure pneumatic transmission system air flow rate by automatic flow rate adjusting device, an automatic flow rate adjusting device all installed by every root branch flow pipeline of negative-pressure pneumatic transmission system, when the ducted air flow rate of branch flow changes, regulate and control the ducted air flow rate of branch flow by automatic flow rate adjusting device to make it the moment and be in stable Optimization Work state, and then make the air flow rate of negative-pressure pneumatic transmission system total pipeline reach the steady state value of optimization, reach the intermittence reduced to greatest extent because of the working equipment course of work, the object of the air flow rate fluctuation in the negative-pressure pneumatic transmission system that random fluctuation and hesitation cause.
Concrete methods of realizing is as follows:
A, be standard operation air flow rate CQ the standard air-flow flow set provided in cut-in operation equipment technical parameters, standard operation air flow rate CQ value sent in the computer for controlling unit in automatic flow rate adjusting device and store;
Be Q2 by the air flow rate in the air flow manifold in automatic flow rate adjusting device during the work of B, working equipment, be Q3 by the tonifying Qi air flow rate in the tonifying Qi manifold in automatic flow rate adjusting device, be Q1, Q1=Q2+Q3 by the ducted air flow rate of branch flow;
C, when working equipment works, air flow rate Q1 in branch's airflow line during air flow meter surveying work in automatic flow rate adjusting device, and given by Q1 simulation value computer for controlling unit to carry out AD conversion to become numerical data, then air flow rate Q1 value and the standard operation air flow rate CQ value of storing in advance are made comparisons computing judging by computer for controlling unit;
D, when air flow rate Q1 value > standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works increases, at this moment the automatically controlled adjusting air valve in computer for controlling unit controls automatic flow rate adjusting device reduces tonifying Qi air flow rate Q3, makes air flow rate Q1 value=standard operation air flow rate CQ value;
E, when air flow rate Q1 value < standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works reduces, at this moment the automatically controlled adjusting air valve in computer for controlling unit controls automatic flow rate adjusting device increases tonifying Qi air flow rate Q3, makes air flow rate Q1 value=standard operation air flow rate CQ value;
During automatic flow rate adjusting device work; regulating and controlling speed; namely air flow meter starts to measure the computer unit automatically controlled adjusting air valve controlled in automatic flow rate adjusting device and regulates the complete time cycle of restarting to measure again to be less than 1 second, shuts down suddenly the Geldart-D particle resistance caused in the course of the work increase and the system surge that produces to eliminate due to working equipment.
The workflow of computer for controlling unit is as follows:
S101, negative-pressure pneumatic transmission system are started shooting, the initialization of computer for controlling unit built-in computer;
Air flow rate Q1 in S102, air flow meter measurement branches airflow line;
S103, air flow rate Q1 simulation value send computer for controlling unit to carry out AD conversion;
Air flow rate Q1 value and the standard operation air flow rate CQ value of to store in advance are made comparisons computing judging by S104, computer for controlling unit;
S105, when air flow rate Q1 value=standard operation air flow rate CQ value, then return S102;
S106, when air flow rate Q1 value > standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works increases, control automatically controlled adjusting air valve and reduce tonifying Qi air flow rate Q3, until return S102 after air flow rate Q1 value=standard operation air flow rate CQ value;
S107, when air flow rate Q1 value < standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works reduces, control automatically controlled adjusting air valve and increase tonifying Qi air flow rate Q3, until return S102 after air flow rate Q1 value=standard operation air flow rate CQ value;
S108, repetition S102 ~ S107 step, until negative-pressure pneumatic transmission system is shut down.
The automatic flow rate adjusting device that said method adopts comprises air flow meter, airflow rectifier, air flow manifold, tonifying Qi manifold, automatically controlled adjusting air valve, computing machine mounting bracket, computer for controlling unit, air flow damper and sound suppressor.
One end of air flow meter is connected with airflow rectifier by flange, the other end of airflow rectifier is connected with air flow manifold by flange, one end of tonifying Qi manifold is welded on the tube wall of air flow manifold, the other end of tonifying Qi manifold is by flange and automatically controlled adjusting air valve, the other end of automatically controlled adjusting air valve is connected with air flow damper by flange, the other end of air flow damper is connected with sound suppressor by flange, the other end of sound suppressor communicates with air, computing machine mounting bracket is welded on air flow damper, and computer for controlling cellular installation is on computing machine mounting bracket.
Further technical scheme of the present invention is: by surveying the working air current flow CQ value that settles the standard, its specific operation process is as follows:
When the working equipment that branch flow pipelines all in negative-pressure pneumatic transmission system connect normally works, automatically controlled adjusting air valve in automatic flow rate adjusting device is closed, obtain air flow rate Q1 in branch flow pipeline by the air flow meter measurement in automatic flow rate adjusting device, and the air flow rate Q1 value of actual measurement is stored in the computer for controlling unit in standard operation air flow rate CQ value feeding automatic flow rate adjusting device.
The present invention compared with prior art has following features:
1, on each lateral of negative-pressure pneumatic transmission system total pipeline, all automatic flow rate adjusting device is installed, makes the air flow rate in total pipeline and pressure moment be in stable Optimization Work state.
2, by measuring the air flow rate of each lateral of negative-pressure pneumatic transmission system total pipeline; control the ducted automatically controlled adjusting air valve of respective branch strengthen or reduce the aperture of air valve; increase or reduce flow of air supply and stablize air flow rate in each lateral with the steady state value making the air flow rate of negative-pressure pneumatic transmission system total pipeline reach optimization, greatly reduce the air flow rate unusual fluctuations in the negative-pressure pneumatic transmission system caused because of the intermittence of the working equipment course of work, random variation and hesitation etc.
3, effectively can eliminate and shut down suddenly due to working equipment the Geldart-D particle resistance that causes in the course of the work and increase and the system surge that produces.
Below in conjunction with the drawings and specific embodiments, detailed construction of the present invention is further described.
Embodiment
Embodiment one, a kind of method being carried out stable negative-pressure pneumatic transmission system air flow rate by automatic flow rate adjusting device, an automatic flow rate adjusting device 3 all installed by every root branch flow pipeline 2 of negative-pressure pneumatic transmission system, when the air flow rate in branch flow pipeline 2 changes, make it the moment by automatic flow rate adjusting device 3 air flow rate regulated and controled in branch flow pipeline 2 and be in stable Optimization Work state, and then make the air flow rate of negative-pressure pneumatic transmission system total pipeline 1 reach the steady state value of optimization, reach the intermittence reduced to greatest extent because of the working equipment course of work, the object of the air flow rate fluctuation in the negative-pressure pneumatic transmission system that random fluctuation and hesitation cause.
Concrete methods of realizing is as follows:
A, be standard operation air flow rate CQ the standard air-flow flow set provided in cut-in operation equipment technical parameters, standard operation air flow rate CQ value sent in the computer for controlling unit 3-7 in automatic flow rate adjusting device 3 and store;
Be Q2 by the air flow rate in the air flow manifold 3-3 in automatic flow rate adjusting device 3 during the work of B, working equipment, be Q3 by the tonifying Qi air flow rate in the tonifying Qi manifold 3-4 in automatic flow rate adjusting device 3, be Q1, Q1=Q2+Q3 by the air flow rate in branch flow pipeline 2;
C, when working equipment works, air flow rate Q1 in branch's airflow line 2 during air flow meter 3-1 surveying work in automatic flow rate adjusting device 3, and given by Q1 simulation value computer for controlling unit 3-7 to carry out AD conversion to become numerical data, then air flow rate Q1 value and the standard operation air flow rate CQ value of storing in advance are made comparisons computing judging by computer for controlling unit 3-7;
D, when air flow rate Q1 value > standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works increases, at this moment the computer for controlling unit 3-7 automatically controlled adjusting air valve 3-5 controlled in automatic flow rate adjusting device 3 reduces tonifying Qi air flow rate Q3, makes air flow rate Q1 value=standard operation air flow rate CQ value;
E, when air flow rate Q1 value < standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works reduces, at this moment the computer for controlling unit 3-7 automatically controlled adjusting air valve 3-5 controlled in automatic flow rate adjusting device 3 increases tonifying Qi air flow rate Q3, makes air flow rate Q1 value=standard operation air flow rate CQ value;
When automatic flow rate adjusting device 3 works; regulating and controlling speed; namely air flow meter 3-1 starts to measure the computer unit 3-7 automatically controlled adjusting air valve 3-5 controlled in automatic flow rate adjusting device 3 and regulates the complete time cycle of restarting to measure again to be less than 1 second, shuts down suddenly the Geldart-D particle resistance caused in the course of the work increase and the system surge that produces to eliminate due to working equipment.
The workflow of computer for controlling unit 3-7 is as follows:
S101, negative-pressure pneumatic transmission system are started shooting, the initialization of computer for controlling unit 3-7 built-in computer;
Air flow rate Q1 in S102, air flow meter 3-1 measurement branches airflow line 2;
S103, air flow rate Q1 simulation value send computer for controlling unit 3-7 to carry out AD conversion;
Air flow rate Q1 value and the standard operation air flow rate CQ value of to store in advance are made comparisons computing judging by S104, computer for controlling unit 3-7;
S105, when air flow rate Q1 value=standard operation air flow rate CQ value, then return S102;
S106, when air flow rate Q1 value > standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works increases, control automatically controlled adjusting air valve 3-5 and reduce tonifying Qi air flow rate Q3, until return S102 after air flow rate Q1 value=standard operation air flow rate CQ value;
S107, when air flow rate Q1 value < standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works reduces, control automatically controlled adjusting air valve 3-5 and increase tonifying Qi air flow rate Q3, until return S102 after air flow rate Q1 value=standard operation air flow rate CQ value;
S108, repetition S102 ~ S107 step, until negative-pressure pneumatic transmission system is shut down.
The automatic flow rate adjusting device that said method adopts comprises air flow meter 3-1, airflow rectifier 3-2, air flow manifold 3-3, tonifying Qi manifold 3-4, automatically controlled adjusting air valve 3-5, computing machine mounting bracket 3-6, computer for controlling unit 3-7, air flow damper 3-8 and sound suppressor 3-9.
One end of air flow meter 3-1 is connected with airflow rectifier 3-2 by flange, the other end of airflow rectifier 3-2 is connected with air flow manifold 3-3 by flange, one end of tonifying Qi manifold 3-4 is welded on the tube wall of air flow manifold 3-3, the other end of tonifying Qi manifold 3-4 is by flange and automatically controlled adjusting air valve 3-5, the other end of automatically controlled adjusting air valve 3-5 is connected with air flow damper 3-8 by flange, the other end of air flow damper 3-8 is connected with sound suppressor 3-9 by flange, the other end of sound suppressor 3-9 communicates with air, computing machine mounting bracket 3-6 is welded on air flow damper 3-8, computer for controlling unit 3-7 is arranged on computing machine mounting bracket 3-6.
Embodiment two, a kind of method being carried out stable negative-pressure pneumatic transmission system air flow rate by automatic flow rate adjusting device, an automatic flow rate adjusting device all installed by every root branch flow pipeline 2 of negative-pressure pneumatic transmission system, when the air flow rate in branch flow pipeline 2 changes, make it the moment by automatic flow rate adjusting device 3 air flow rate regulated and controled in branch flow pipeline 2 and be in stable Optimization Work state, and then make the air flow rate of negative-pressure pneumatic transmission system total pipeline 1 reach the steady state value of optimization, reach the intermittence reduced to greatest extent because of the working equipment course of work, the object of the air flow rate fluctuation in the negative-pressure pneumatic transmission system that random fluctuation and hesitation cause.
Concrete methods of realizing is as follows:
A, when the working equipment that all branch flow pipeline 2 in negative-pressure pneumatic transmission system connects normally works, automatically controlled adjusting air valve 3-5 in automatic flow rate adjusting device 3 is closed, obtain air flow rate Q1 in branch flow pipeline 2 by the air flow meter 3-1 measurement in automatic flow rate adjusting device 3, and the air flow rate Q1 value of actual measurement is stored in the computer for controlling unit 3-7 in standard operation air flow rate CQ value feeding automatic flow rate adjusting device 3;
Be Q2 by the air flow rate in the air flow manifold 3-3 in automatic flow rate adjusting device 3 during the work of B, working equipment, be Q3 by the tonifying Qi air flow rate in the tonifying Qi manifold 3-4 in automatic flow rate adjusting device 3, be Q1, Q1=Q2+Q3 by the air flow rate in branch flow pipeline 2;
C, when working equipment works, air flow rate Q1 in branch's airflow line 2 during air flow meter 3-1 surveying work in automatic flow rate adjusting device 3, and given by Q1 simulation value computer for controlling unit 3-7 to carry out AD conversion to become numerical data, then air flow rate Q1 value and the standard operation air flow rate CQ value of storing in advance are made comparisons computing judging by computer for controlling unit 3-7;
D, when air flow rate Q1 value > standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works increases, at this moment the computer for controlling unit 3-7 automatically controlled adjusting air valve 3-5 controlled in automatic flow rate adjusting device 3 reduces tonifying Qi air flow rate Q3, makes air flow rate Q1 value=standard operation air flow rate CQ value;
E, when air flow rate Q1 value < standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works reduces, at this moment the computer for controlling unit 3-7 automatically controlled adjusting air valve 3-5 controlled in automatic flow rate adjusting device 3 increases tonifying Qi air flow rate Q3, makes air flow rate Q1 value=standard operation air flow rate CQ value;
When automatic flow rate adjusting device 3 works; regulating and controlling speed; namely air flow meter 3-1 starts to measure the computer unit 3-7 automatically controlled adjusting air valve 3-5 controlled in automatic flow rate adjusting device 3 and regulates the complete time cycle of restarting to measure again to be less than 1 second, shuts down suddenly the Geldart-D particle resistance caused in the course of the work increase and the system surge that produces to eliminate due to working equipment.
The workflow of computer for controlling unit 3-7 is as follows:
S101, negative-pressure pneumatic transmission system are started shooting, the initialization of computer for controlling unit 3-7 built-in computer;
Air flow rate Q1 in S102, air flow meter 3-1 measurement branches airflow line 2;
S103, air flow rate Q1 simulation value send computer for controlling unit 3-7 to carry out AD conversion;
Air flow rate Q1 value and the standard operation air flow rate CQ value of to store in advance are made comparisons computing judging by S104, computer for controlling unit 3-7;
S105, when air flow rate Q1 value=standard operation air flow rate CQ value, then return S102;
S106, when air flow rate Q1 value > standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works increases, control automatically controlled adjusting air valve 3-5 and reduce tonifying Qi air flow rate Q3, until return S102 after air flow rate Q1 value=standard operation air flow rate CQ value;
S107, when air flow rate Q1 value < standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works reduces, control automatically controlled adjusting air valve 3-5 and increase tonifying Qi air flow rate Q3, until return S102 after air flow rate Q1 value=standard operation air flow rate CQ value;
S108, repetition S102 ~ S107 step, until negative-pressure pneumatic transmission system is shut down.
The automatic flow rate adjusting device that said method adopts comprises air flow meter 3-1, airflow rectifier 3-2, air flow manifold 3-3, tonifying Qi manifold 3-4, automatically controlled adjusting air valve 3-5, computing machine mounting bracket 3-6, computer for controlling unit 3-7, air flow damper 3-8 and sound suppressor 3-9.
One end of air flow meter 3-1 is connected with airflow rectifier 3-2 by flange, the other end of airflow rectifier 3-2 is connected with air flow manifold 3-3 by flange, one end of tonifying Qi manifold 3-4 is welded on the tube wall of air flow manifold 3-3, the other end of tonifying Qi manifold 3-4 is by flange and automatically controlled adjusting air valve 3-5, the other end of automatically controlled adjusting air valve 3-5 is connected with air flow damper 3-8 by flange, the other end of air flow damper 3-8 is connected with sound suppressor 3-9 by flange, the other end of sound suppressor 3-9 communicates with air, computing machine mounting bracket 3-6 is welded on air flow damper 3-8, computer for controlling unit 3-7 is arranged on computing machine mounting bracket 3-6.
Accompanying drawing explanation
Accompanying drawing 1 is automatic flow rate adjusting device structural representation provided by the invention;
Accompanying drawing 2 is automatic flow rate adjusting device using state figure provided by the invention;
Accompanying drawing 3 is the workflow of computer for controlling unit;
Accompanying drawing 4 is existing negative-pressure pneumatic transmission system piping schematic.
Claims (2)
1. one kind is carried out the method for stable negative-pressure pneumatic transmission system air flow rate by automatic flow rate adjusting device, it is characterized in that: on every root branch flow pipeline of negative-pressure pneumatic transmission system, an automatic flow rate adjusting device is all installed, when the ducted air flow rate of branch flow changes, regulate and control the ducted air flow rate of branch flow by automatic flow rate adjusting device to make it the moment and be in stable Optimization Work state, and then make the air flow rate of negative-pressure pneumatic transmission system total pipeline reach the steady state value of optimization, reach the intermittence reduced to greatest extent because of the working equipment course of work, the object of the air flow rate fluctuation in the negative-pressure pneumatic transmission system that random fluctuation and hesitation cause,
Concrete methods of realizing is as follows:
A, be standard operation air flow rate CQ the standard air-flow flow set provided in cut-in operation equipment technical parameters, standard operation air flow rate CQ value sent in the computer for controlling unit in automatic flow rate adjusting device and store;
Be Q2 by the air flow rate in the air flow manifold in automatic flow rate adjusting device during the work of B, working equipment, be Q3 by the tonifying Qi air flow rate in the tonifying Qi manifold in automatic flow rate adjusting device, be Q1, Q1=Q2+Q3 by the ducted air flow rate of branch flow;
C, when working equipment works, air flow rate Q1 in branch's airflow line during air flow meter surveying work in automatic flow rate adjusting device, and given by Q1 simulation value computer for controlling unit to carry out AD conversion to become numerical data, then air flow rate Q1 value and the standard operation air flow rate CQ value of storing in advance are made comparisons computing judging by computer for controlling unit;
D, when air flow rate Q1 value > standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works increases, at this moment the automatically controlled adjusting air valve in computer for controlling unit controls automatic flow rate adjusting device reduces tonifying Qi air flow rate Q3, makes air flow rate Q1 value=standard operation air flow rate CQ value;
E, when air flow rate Q1 value < standard operation air flow rate CQ value, then judge that air flow rate Q2 when working equipment works reduces, at this moment the automatically controlled adjusting air valve in computer for controlling unit controls automatic flow rate adjusting device increases tonifying Qi air flow rate Q3, makes air flow rate Q1 value=standard operation air flow rate CQ value;
During automatic flow rate adjusting device work, regulating and controlling speed, namely air flow meter starts to measure the computer unit automatically controlled adjusting air valve controlled in automatic flow rate adjusting device and regulates the complete time cycle of restarting to measure again to be less than 1 second, shuts down suddenly the Geldart-D particle resistance caused in the course of the work increase and the system surge that produces to eliminate due to working equipment;
The automatic flow rate adjusting device that said method adopts comprises air flow meter, airflow rectifier, air flow manifold, tonifying Qi manifold, automatically controlled adjusting air valve, computing machine mounting bracket, computer for controlling unit, air flow damper and sound suppressor;
One end of air flow meter is connected with airflow rectifier by flange, the other end of airflow rectifier is connected with air flow manifold by flange, one end of tonifying Qi manifold is welded on the tube wall of air flow manifold, the other end of tonifying Qi manifold is by flange and automatically controlled adjusting air valve, the other end of automatically controlled adjusting air valve is connected with air flow damper by flange, the other end of air flow damper is connected with sound suppressor by flange, the other end of sound suppressor communicates with air, computing machine mounting bracket is welded on air flow damper, and computer for controlling cellular installation is on computing machine mounting bracket.
2. a kind of method being carried out stable negative-pressure pneumatic transmission system air flow rate by automatic flow rate adjusting device as claimed in claim 1, be is characterized in that: to be settled the standard working air current flow CQ value by actual measurement, its specific operation process is as follows:
When the working equipment that branch flow pipelines all in negative-pressure pneumatic transmission system connect normally works, automatically controlled adjusting air valve in automatic flow rate adjusting device is closed, obtain air flow rate Q1 in branch flow pipeline by the air flow meter measurement in automatic flow rate adjusting device, and the air flow rate Q1 value of actual measurement is stored in the computer for controlling unit in standard operation air flow rate CQ value feeding automatic flow rate adjusting device.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671448A (en) * | 2018-05-18 | 2018-10-19 | 中国矿业大学 | It is a kind of to gather liquid-supplying system and operating method for fire fighting truck |
Families Citing this family (1)
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|---|---|---|---|---|
| CN108013503B (en) * | 2017-12-05 | 2021-03-26 | 南华大学 | Gas pulse absorption device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003140752A (en) * | 2001-11-02 | 2003-05-16 | Yamatake Corp | Air supply system and its air consumption measuring method and device, and method for controlling the air supply system |
| CN101134531A (en) * | 2007-09-30 | 2008-03-05 | 邝勇兴 | Binary isogram replacing constant-speed pneumatic conveying method |
| CN102009849A (en) * | 2009-09-08 | 2011-04-13 | 镇江市电站辅机厂 | Pneumatic conveying method for powder materials |
| CN102270003A (en) * | 2010-06-03 | 2011-12-07 | 通用电气公司 | DDD Dry coal feed system control system and control method thereof for controlling transportation of solid fuel |
| CN102429320A (en) * | 2011-09-07 | 2012-05-02 | 衡阳中微科技开发有限公司 | Flexible control device for pneumatically conveying tobacco shreds and control method |
| CN102923485A (en) * | 2012-11-27 | 2013-02-13 | 西安热工研究院有限公司 | Efficient positive-pressure pneumatic conveying system of pebble coal |
| CN103398395A (en) * | 2013-07-15 | 2013-11-20 | 湖南万通达燃气技术有限公司 | Method and system for ultra-dilute-phase pneumatic conveying of petroleum coke powdered solid fuel for combustion |
| CN103759546A (en) * | 2014-01-21 | 2014-04-30 | 新疆中泰矿冶有限公司 | Calcium carbide furnace purification ash back-to-furnace combustion system |
| CN204110931U (en) * | 2014-08-20 | 2015-01-21 | 新特能源股份有限公司 | A kind of Cemented filling flow-aiding device and pipeline pneumatic conveying system |
-
2015
- 2015-08-04 CN CN201510469988.0A patent/CN105022418B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003140752A (en) * | 2001-11-02 | 2003-05-16 | Yamatake Corp | Air supply system and its air consumption measuring method and device, and method for controlling the air supply system |
| CN101134531A (en) * | 2007-09-30 | 2008-03-05 | 邝勇兴 | Binary isogram replacing constant-speed pneumatic conveying method |
| CN102009849A (en) * | 2009-09-08 | 2011-04-13 | 镇江市电站辅机厂 | Pneumatic conveying method for powder materials |
| CN102270003A (en) * | 2010-06-03 | 2011-12-07 | 通用电气公司 | DDD Dry coal feed system control system and control method thereof for controlling transportation of solid fuel |
| CN102429320A (en) * | 2011-09-07 | 2012-05-02 | 衡阳中微科技开发有限公司 | Flexible control device for pneumatically conveying tobacco shreds and control method |
| CN102923485A (en) * | 2012-11-27 | 2013-02-13 | 西安热工研究院有限公司 | Efficient positive-pressure pneumatic conveying system of pebble coal |
| CN103398395A (en) * | 2013-07-15 | 2013-11-20 | 湖南万通达燃气技术有限公司 | Method and system for ultra-dilute-phase pneumatic conveying of petroleum coke powdered solid fuel for combustion |
| CN103759546A (en) * | 2014-01-21 | 2014-04-30 | 新疆中泰矿冶有限公司 | Calcium carbide furnace purification ash back-to-furnace combustion system |
| CN204110931U (en) * | 2014-08-20 | 2015-01-21 | 新特能源股份有限公司 | A kind of Cemented filling flow-aiding device and pipeline pneumatic conveying system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671448A (en) * | 2018-05-18 | 2018-10-19 | 中国矿业大学 | It is a kind of to gather liquid-supplying system and operating method for fire fighting truck |
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