CN104533817A - Operation control method and system for multiple cooling fans - Google Patents
Operation control method and system for multiple cooling fans Download PDFInfo
- Publication number
- CN104533817A CN104533817A CN201410801375.8A CN201410801375A CN104533817A CN 104533817 A CN104533817 A CN 104533817A CN 201410801375 A CN201410801375 A CN 201410801375A CN 104533817 A CN104533817 A CN 104533817A
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- China
- Prior art keywords
- temperature
- dust collector
- bag dust
- alarming value
- collector inlet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/303—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses an operation control method and system for multiple cooling fans. The cooling fans on a site are grouped; a temperature sensor samples the temperature of an inlet of a bag deduster; the temperature of the inlet of the bag deduster is displayed in real time through a digital displayer, multi-path temperature warning values matched with the cooling fan groups in number are set in the digital displayer according to the sequence from the low temperature to the high temperature; whether the temperature of the inlet of the bag deduster exceeds the set temperature warning values or not is judged through a control device according to the sequence from the low temperature to the high temperature, when the temperature of the inlet of the bag deduster exceeds one temperature warning value, the control device controls the corresponding fan groups to run, when the temperature of the bag deduster drops to the corresponding temperature warning value, the fan groups controlled by the temperature warning values are stopped after 5-minute time delay, and then operation control over the fan groups is achieved by the control device. By the adoption of the operation control method and system, the smoke temperature of the inlet of the bag deduster is reasonably controlled, the kiln head bag deduster is effectively protected, and energy conservation and emission reduction are effectively achieved.
Description
Technical field
The invention belongs to cooling blower control technique field, be specifically related to a kind of multiple stage cooling blower progress control method and control system of safe and effective, economical and energy saving.
Background technique
In System during New Style Dry-Process Production, kiln hood cold waste gas carries out cooling down by multitube cooling blower, makes flue-gas temperature be reduced to the operation needs of applicable bag collector, and then sends into dust collector and gather dust.But; with the matching used multiple stage cooling blower of bag collector exist all to start when system starts or need in control the situation that separate unit controls; and flue-gas temperature can not stop unnecessary cooling blower when reaching control temperature automatically; control Non-follow control separate unit in needs to shut down; add operation burden and the monitoring intensity of middle control operator; there is handling safety hidden danger, and energy consumption is large, is unfavorable for energy-saving electricity.
Summary of the invention
The object of the present invention is to provide a kind of multiple stage cooling blower progress control method and control system of safe and effective, economical and energy saving.
The present invention seeks to realize like this, comprise the following steps:
On-the-spot multiple stage cooling blower is divided into groups;
By temperature transducer, bag dust collector inlet temperature is sampled;
Show bag dust collector inlet temperature in real time by digital display instrument, and in digital display instrument, arrange the multi way temperature alarming value matched with blower fan group quantity, described multi way temperature alarming value is arranged according to by the order of low temperature to high-temperature;
Judge whether bag dust collector inlet temperature exceed the temperature alarming value of setting according to by low temperature to the order of high-temperature by control gear, when bag dust collector inlet temperature exceedes temperature alarming value, control gear controls the action of corresponding blower fan group, when bag dust collector temperature is reduced to relevant temperature alarming value, the blower fan group that time delay stops this temperature alarming value to control for 5 minutes, realizes control gear and controls the operation of blower fan group.
Control system provided by the invention comprises temperature transducer, warning digital display instrument, control gear and cooling blower, described temperature transducer and warning digital display instrument are electrically connected, described warning digital display instrument and control gear are electrically connected, and described control gear is connected with cooling blower.
Described temperature transducer is arranged at bag dust collector entrance.
The present invention is by temperature transducer collection bag deduster entrance flue gas temperature, and temperature signal is transferred to blower fan control system, make control system can according to the change of flue-gas temperature, realize controlling the startup of multiple stage cooling blower by set temperature alarming value, when flue-gas temperature controls the stopping of cooling blower lower than realizing during temperature alarming value; Solving original controlling method can not automatic monitoring flue-gas temperature in real time, and according to the defect problem of temperature variation automatic start-stop blower fan, realizes the conservative control to bag dust collector entrance flue gas temperature, reach available protecting kiln hood bag dust collector and energy-saving and cost-reducing object; Alleviate operation burden and the monitoring intensity of middle control operator simultaneously.
Accompanying drawing explanation
Fig. 1 is the flow chart of multiple stage cooling blower progress control method;
Fig. 2 is the schematic diagram of multiple stage cooling blower operation control system;
In figure: 1-temperature transducer, 2-warning digital display instrument, 3-control gear, 4-cooling blower.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated, but must not be limited the present invention by any way, and any change done based on training centre of the present invention or improvement, all belong to protection scope of the present invention.
As shown in Figure 1, the invention provides a kind of multiple stage cooling blower progress control method, comprise the following steps: on-the-spot multiple stage cooling blower is divided into groups; By temperature transducer, bag dust collector inlet temperature is sampled; Show bag dust collector inlet temperature in real time by digital display instrument, and in digital display instrument, arrange the multi way temperature alarming value matched with blower fan group quantity, described multi way temperature alarming value is arranged according to by the order of low temperature to high-temperature; Judge whether bag dust collector inlet temperature exceed the temperature alarming value of setting according to by low temperature to the order of high-temperature by control gear, when bag dust collector inlet temperature exceedes temperature alarming value, control gear controls the action of corresponding blower fan group, when bag dust collector temperature is reduced to relevant temperature alarming value, the blower fan group that time delay stops this temperature alarming value to control for 5 minutes, realizes control gear and controls the operation of blower fan group.
As shown in Figure 2, present invention also offers a kind of multiple stage cooling blower operation control system, comprise temperature transducer 1, warning digital display instrument 2, control gear 3 and cooling blower 4, described temperature transducer 1 is electrically connected with warning digital display instrument 2, described warning digital display instrument 2 is electrically connected with control gear 3, and described control gear 3 is connected with cooling blower 4.
Described temperature transducer 1 is arranged at bag dust collector entrance.
Described temperature transducer 1 is arranged at cooling blower 4 and exports.
Described control gear 3 is PLC.
Embodiment
Below to control to elaborate to progress control method provided by the present invention and operation control system to the operation of working site 9 Fans.
On-the-spot 9 Fans are divided into three groups;
Sampled by temperature transducer 1 pair of bag dust collector inlet temperature;
By warning digital display instrument 2 display bag dust collector inlet temperature in real time, and the three road temperature alarming values matched with three groups of blower fans are set in warning digital display instrument 2, described three road temperature alarming values are arranged according to by the order of low temperature to high-temperature, according to the actual conditions at fan operation scene, arranging first via temperature alarming value is 100 DEG C, second road temperature alarming value is 130 DEG C, and the 3rd road temperature alarming value is 160 DEG C;
Above-mentioned three road temperature alarming values and bag dust collector entrance temperature are transferred to control gear 3, judge whether bag dust collector inlet temperature exceedes the first via temperature alarming value 100 DEG C of setting by described control gear 3, when bag dust collector inlet temperature is lower than first via temperature alarming value 100 DEG C, blower fan group is not run, when bag dust collector inlet temperature exceedes first via temperature alarming value 100 DEG C, control gear 3 controls the action of corresponding first group of blower fan group; Judge whether bag dust collector inlet temperature exceedes the second road temperature alarming value 130 DEG C of setting by described control gear 3, when bag dust collector inlet temperature is more than the second road temperature alarming value 130 DEG C, control gear 3 controls the action of corresponding second group of blower fan group; Judge whether bag dust collector inlet temperature exceedes the 3rd road temperature alarming value 160 DEG C of setting by described control gear 3, when bag dust collector inlet temperature is more than the 3rd road temperature alarming value 160 DEG C, control gear 3 controls corresponding 3rd group of blower fan group action;
Judge that whether bag dust collector inlet temperature is lower than the 3rd road temperature alarming value 160 DEG C set by described control gear 3, when bag dust collector inlet temperature is reduced to the 3rd road temperature alarming value less than 160 DEG C, time delay stops the 3rd group of blower fan after 5 minutes; Judge that whether bag dust collector inlet temperature is lower than the second road temperature alarming value 130 DEG C set by described control gear 3, when bag dust collector inlet temperature is reduced to the second road temperature alarming value less than 130 DEG C, time delay stops second group of blower fan after 5 minutes; Judge that whether bag dust collector inlet temperature is lower than the first via temperature alarming value 100 DEG C set by described control gear 3, when bag dust collector inlet temperature is reduced to first via temperature alarming value less than 100 DEG C, time delay stops first group of blower fan after 5 minutes.
The present invention is by temperature transducer collection bag deduster entrance flue gas temperature, and temperature signal is transferred to blower fan control system, make control system can according to the change of flue-gas temperature, realize controlling the startup of multiple stage cooling blower by set temperature alarming value, when flue-gas temperature controls the stopping of cooling blower lower than realizing during temperature alarming value; Solving original controlling method can not automatic monitoring flue-gas temperature in real time, and according to the defect problem of temperature variation automatic start-stop blower fan, realizes the conservative control to bag dust collector entrance flue gas temperature, reach available protecting kiln hood bag dust collector and energy-saving and cost-reducing object; Alleviate operation burden and the monitoring intensity of middle control operator simultaneously.
Progress control method provided by the invention and operation control system have good applicability, the basis of original on-the-spot multiple stage cooling blower Non-follow control adds the operation control system automatically controlled, structure is simple, easy for installation, working stability, safe and reliable; Warning digital display instrument digital display is directly perceived, and control gear PLC is as master devices, reliable, stable; In During Process of Long-term Operation, economical and energy saving, does not affect continuous production, is easy to apply.
Claims (6)
1. a multiple stage cooling blower progress control method, is characterized in that comprising the following steps:
On-the-spot multiple stage cooling blower is divided into groups;
By temperature transducer, bag dust collector inlet temperature is sampled;
Show bag dust collector inlet temperature in real time by digital display instrument, and in digital display instrument, arrange the multi way temperature alarming value matched with blower fan group quantity, described multi way temperature alarming value is arranged according to by the order of low temperature to high-temperature;
Judge whether bag dust collector inlet temperature exceed the temperature alarming value of setting according to by low temperature to the order of high-temperature by control gear, when bag dust collector inlet temperature exceedes temperature alarming value, control gear controls the action of corresponding blower fan group, when bag dust collector temperature is reduced to relevant temperature alarming value, the blower fan group that time delay stops this temperature alarming value to control for 5 minutes, realizes control gear and controls the operation of blower fan group.
2. multiple stage cooling blower progress control method according to claim 1, is characterized in that comprising the following steps:
On-the-spot 9 Fans are divided into three groups;
By temperature transducer, bag dust collector inlet temperature is sampled;
Show bag dust collector inlet temperature in real time by digital display instrument, and in digital display instrument, arrange the three road temperature alarming values matched with three groups of blower fans, described three road temperature alarming values are arranged according to by the order of low temperature to high-temperature;
Above-mentioned three road temperature alarming values and bag dust collector inlet temperature are transferred to control gear, judge whether bag dust collector inlet temperature exceedes the first via temperature alarming value of setting by described control gear, when bag dust collector inlet temperature is lower than first via temperature alarming value, blower fan group is not run, when bag dust collector inlet temperature exceedes first via temperature alarming value, control gear controls the action of corresponding first group of blower fan group; Judge whether bag dust collector inlet temperature exceedes the second road temperature alarming value of setting by described control gear, when bag dust collector inlet temperature is more than the second road temperature alarming value, control gear controls the action of corresponding second group of blower fan group; Judge whether bag dust collector inlet temperature exceedes the 3rd road temperature alarming value of setting by described control gear, when bag dust collector inlet temperature is more than the 3rd road temperature alarming value, control gear controls corresponding 3rd group of blower fan group action;
When bag dust collector inlet temperature is reduced to the 3rd road temperature alarming value, time delay stops the 3rd group of blower fan after 5 minutes; When bag dust collector inlet temperature is reduced to the second road temperature alarming value, time delay stops second group of blower fan after 5 minutes; When bag dust collector inlet temperature is reduced to first via temperature alarming value, time delay stops first group of blower fan after 5 minutes.
3. a multiple stage cooling blower operation control system, it is characterized in that comprising temperature transducer (1), warning digital display instrument (2), control gear (3) and cooling blower (4), described temperature transducer (1) and warning digital display instrument (2) are electrically connected, described warning digital display instrument (2) and control gear (3) are electrically connected, and described control gear (3) is connected with cooling blower (4).
4. multiple stage cooling blower operation control system according to claim 3, is characterized in that described temperature transducer (1) is arranged at bag dust collector entrance.
5. multiple stage cooling blower operation control system according to claim 3, is characterized in that described temperature transducer (1) is arranged at cooling blower (4) outlet.
6. the multiple stage cooling blower operation control system according to claim 4 or 5, is characterized in that described control gear (3) is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801375.8A CN104533817A (en) | 2014-12-22 | 2014-12-22 | Operation control method and system for multiple cooling fans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801375.8A CN104533817A (en) | 2014-12-22 | 2014-12-22 | Operation control method and system for multiple cooling fans |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104533817A true CN104533817A (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410801375.8A Pending CN104533817A (en) | 2014-12-22 | 2014-12-22 | Operation control method and system for multiple cooling fans |
Country Status (1)
| Country | Link |
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| CN (1) | CN104533817A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942871A (en) * | 2017-12-10 | 2018-04-20 | 江苏恒创软件有限公司 | A kind of data collecting system realized by MOX equipment |
| CN112114597A (en) * | 2020-09-20 | 2020-12-22 | 江苏方天电力技术有限公司 | DCS-based self-adaptive control method for temperature of external cooling water of phase modulator |
| CN114645868A (en) * | 2022-03-30 | 2022-06-21 | 东方电气集团东方电机有限公司 | Fan control method, computer device and storage medium |
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| CN201331714Y (en) * | 2008-08-13 | 2009-10-21 | 丹东欣泰电气股份有限公司 | Blower control box of PLC intelligent control transformer |
| CN101672295A (en) * | 2009-10-12 | 2010-03-17 | 乐普四方（北京）节能技术有限公司 | Energy-saving control device of frequency converter cabinet fan set and control method |
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| CN103835973A (en) * | 2012-11-20 | 2014-06-04 | 中国长城计算机深圳股份有限公司 | Driving circuit and fan |
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2014
- 2014-12-22 CN CN201410801375.8A patent/CN104533817A/en active Pending
Patent Citations (5)
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| CN201331714Y (en) * | 2008-08-13 | 2009-10-21 | 丹东欣泰电气股份有限公司 | Blower control box of PLC intelligent control transformer |
| CN101672295A (en) * | 2009-10-12 | 2010-03-17 | 乐普四方（北京）节能技术有限公司 | Energy-saving control device of frequency converter cabinet fan set and control method |
| US20130147411A1 (en) * | 2011-12-08 | 2013-06-13 | Wei Pang | System and method for controlling fans |
| CN103835973A (en) * | 2012-11-20 | 2014-06-04 | 中国长城计算机深圳股份有限公司 | Driving circuit and fan |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942871A (en) * | 2017-12-10 | 2018-04-20 | 江苏恒创软件有限公司 | A kind of data collecting system realized by MOX equipment |
| CN112114597A (en) * | 2020-09-20 | 2020-12-22 | 江苏方天电力技术有限公司 | DCS-based self-adaptive control method for temperature of external cooling water of phase modulator |
| CN114645868A (en) * | 2022-03-30 | 2022-06-21 | 东方电气集团东方电机有限公司 | Fan control method, computer device and storage medium |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150422 |
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| RJ01 | Rejection of invention patent application after publication |