CN202576909U - PLC (Programmable Logic Controller)-based automatic distributing system for alkaline liquor of mercerizing machine - Google Patents
PLC (Programmable Logic Controller)-based automatic distributing system for alkaline liquor of mercerizing machine Download PDFInfo
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- CN202576909U CN202576909U CN 201220188140 CN201220188140U CN202576909U CN 202576909 U CN202576909 U CN 202576909U CN 201220188140 CN201220188140 CN 201220188140 CN 201220188140 U CN201220188140 U CN 201220188140U CN 202576909 U CN202576909 U CN 202576909U
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Abstract
The utility model main discloses a PLC (Programmable Logic Controller)-based automatic distributing system for alkaline liquor of a mercerizing machine. The PLC-based automatic distributing system comprises a cloth hair filter, an alkaline liquor distributing pipe valve unit and a PLC control system. According to the PLC-based automatic distributing system disclosed by the utility model, concentrated alkaline, recovered alkaline and light alkaline with certain proportions can be configured into the alkaline liquor required by a mercerizing process; the alkaline liquor is automatically conveyed to the designated work station of the mercerizing machine; and the whole distributing process is finished online in real time. According to the PLC-based automatic distributing system, the cleaning for detection elements at regular time can be realized and the accuracy of a detection structure is ensured. In addition, online setting of process parameters, the retarding and the querying of the consumption of the concentrated alkaline, the display of alarming information and the like can be realized. The PLC-based automatic distributing system disclosed by the utility model has the advantages of simple structure, convenience in operation, accuracy in metering and high work efficiency; and the influence on the production process and the product quality due to human factors can be effectively reduced, the quality stability of products is improved, unit energy consumption of the products is reduced and the benefits of enterprises are increased.
Description
Technical field
The utility model belongs to textile dyeing machinery equipment automation field, particularly a kind of mercerizing range alkali lye automatic delivery based on PLC, and the online concentration of lye that is used for mercerizing range is controlled automatically.
Background technology
Mercerization is the important ring in the printing and dyeing pretreatment technology; At first fabric is handled in the mercerising process with certain density alkali lye; Fabric is being applied under the condition of tension force then, eccysis adsorbed alkali lye on it, thus improve fabric sheen, intensity and DIMENSIONAL STABILITY.The stability of concentration of lye has determined the treatment effect of mercerization to a great extent.
At present, automaticity is lower in mercerizing range concentration of lye On-line Control field for China's middle and small scale printing and dyeing enterprise, and the concentration of lye of most of printing and dyeing enterprises is accomplished through artificial regularly titration allotment.The shortcoming of this control mode can be summarized as: the one, and labor strength is big, inefficiency, printing and dyeing are produced to be generally and were worked continuously in 24 hours, and for guaranteeing quality, the workman must monitor equipment in real time; The 2nd, control of product quality is poor, can not carry out synchronously because the proportioning of alkali lye and concentration detect, and mercerising concentration of lye fluctuating range is big, causes technology unstable, certainly will influence product quality; The 3rd, managerial skills can't fundamentally improve, and are unfavorable for reviewing the reason that causes product quality problem; Manually-operated is unfavorable for that also mercerising alkali lye consumes quantitative statistics, also is prone to cause the waste of alkali lye and cause environmental pollution simultaneously in addition.
To sum up, be necessary to develop a kind of alkali lye automatic delivery with higher automaticity, higher accuracy, for the printing and dyeing enterprise improve production efficiency and product quality provides service, this case produces thus.
The utility model content
The main purpose of the utility model provides a kind of mercerizing range alkali lye automatic delivery based on PLC; Set up mercerizing range concentration of lye On-line Control mechanism; Make and to carry out concentration of lye control by setting technological parameter in the mercerising process, effectively reduce of the influence of manpower factor, improved product quality stability production process and product quality; Reduce the product specific energy consumption, improved the performance of enterprises.
In order to achieve the above object, the utility model is realized through following technical scheme:
Mercerizing range alkali lye automatic delivery based on PLC is characterized in that: comprise that cloth hair filter, alkali lye delivery tube valve cell, PLC control system; Cloth hair filter accesses in the alkali lye delivery tube valve cell, and alkali lye delivery tube valve cell is controlled by PLC control system.
Described cloth hair filter connecting filament ray machine alkaline bath filters after the mercerising alkali treatment contained cloth suede and other impurity in the alkali lye, guarantees the accurate measurement of concentration of lye concentration.
Said alkali lye delivery tube valve cell comprises some two logical Pneumatic valves, threeway Pneumatic valve, proportioning valve, piping filter, stirring conveying electric-motor pump group, joins alkali groove, liquid-level switch, densitometer, flowmeter, temperature sensor and respective line; Concentrated base flows into via piping filter, flowmeter, proportioning valve joins the alkali groove; Reclaiming alkali, light alkali flows into and joins the alkali groove via corresponding two logical Pneumatic valves, piping filter respectively; Alkali lye is after cloth hair filter filters in the mercerizing range alkaline bath, is delivered to by the electric-motor pump group and joins the alkali groove, and realize joining the agitating function of alkali alkali in groove liquid; Join alkali alkali in groove liquid and after the electric-motor pump group, be divided into two-way: the one tunnel outputs to the mercerizing range alkaline bath via big flow Pneumatic valve; One the tunnel joins the alkali groove via flowing into behind low discharge Pneumatic valve, threeway Pneumatic valve, in-line filter, the densitometer, accomplishes the online detection to alkali lye density; Through the switching-over of control threeway Pneumatic valve, can control clear water and discharge after via threeway Pneumatic valve, densitometer, filter, accomplish cleaning to densitometer and filter, guarantee the accuracy that concentration of lye detects, prevent pipeline blockage.
Described PLC control system comprises programmable controller and connected touch-screen, signal condition module, switching signal amplifying circuit; Touch-screen is provided with processing parameter and shows in real time; The collection of signal condition module is carried out filtering and processing and amplifying from flowmeter, temperature sensor, densitometric analog signal, and the signal after will nursing one's health is input in the said Programmable Logic Controller, to guarantee that signal accurately and reliably; The switching signal amplifying circuit converts the high level signal that is complementary with controlled device in the low level signal with Programmable Logic Controller output, and realizes effectively isolating, thereby guarantees Programmable Logic Controller effectively to open switch valve and can overcurrent; The analog quantity output signals that produces in the Programmable Logic Controller is used for the action of control ratio valve, two logical Pneumatic valves, threeway Pneumatic valve; Programmable Logic Controller also can receive the input switch signal from liquid-level switch, judges in view of the above to join in the alkali groove liquid level height and make quick dosing, stop the dosing decision.
The utility model is in actual production process; PLC control system reads production informations such as temperature, liquid level, alkali lye density, flow in real time; And convert alkali lye density into concentration of lye in real time according to corresponding calculation method; Thereby can keep and join alkali alkali in groove liquid concentration stabilize according to the action of corresponding technological requirement gauge tap valve or proportioning valve, the mercerising concentration of lye is remained in the technological requirement scope.In addition, system also will write down concentrated base consumption in the mercerising process, supply inquiry, and when concentration surpasses the setting deviation range, provide alarm.
Description of drawings
Fig. 1 is the system schematic of the utility model preferred embodiment;
Fig. 2 is the PLC control system schematic of the utility model preferred embodiment.
The specific embodiment
In conjunction with accompanying drawing, preferred embodiment explains further details to the utility model.
The utility model provides a kind of mercerizing range alkali lye provide and deliver automatically control system and method, particularly provide a kind of to concentrated base, light alkali, reclaim alkali carry out automatic mixing generate aimed concn alkali lye, and can online detection and the automatic dispensing control system of conveying.
Whole delivery system is by cloth hair filter 1, PLC control system 3, filter 7 to 10, proportioning valve 11, two logical Pneumatic valves 12 to 15, threeway Pneumatic valve 16; 17, floating-ball level switch 18, temperature sensor 19, electric- motor pump group 20,21, densitometer 22, flowmeter 23, join alkali groove 25 and respective line and form.
Cloth hair filter 1 is accomplished contained cloth suede and other impurity in the alkali lye after the mercerising alkali treatment is filtered, and guarantees the operate as normal of delivery system.Alkali lye are after cloth hair filter 1 filters in the mercerizing range alkaline bath 24, are transported to by electric-motor pump group 20 and join alkali groove 25.Electric-motor pump group 20 output pipes are designed to annular wound form joining alkali groove 25 inner the branch, have circular hole on the pipe, when carrying alkali lye, accomplish joining the stirring of alkali lye in the alkali groove 25.
Concentrated base 4 flows into and joins alkali groove 25 via piping filter 7, flowmeter 23, proportioning valve 11; Reclaiming alkali 5 flows into and joins alkali groove 25 via two logical Pneumatic valves 12, piping filter 8; Light alkali 6 flows into and joins alkali groove 25 via two logical Pneumatic valves 13, piping filter 9.Concentrated base 4 concentration are the highest generally speaking, reclaim alkali 5 concentration and take second place, and concentration of lye more takes second place in the mercerizing range alkaline bath, and light alkali concn is minimum.Handle concentration of lye for obtaining the mercerizing range alkali cleaning, need these four types of alkali lye are carried out rational proportion, satisfying under the technological requirement use concentrated base of trying one's best few.
Join that alkali lye are divided into two-way in the alkali groove 25 after electric-motor pump group 21: the one tunnel outputs to mercerizing range alkaline bath 24 via big flow Pneumatic valve 14, and this is road one for it; One the tunnel flows into via low discharge Pneumatic valve 15, threeway Pneumatic valve 17, in-line filter 10, densitometer 22, threeway Pneumatic valve 16 backs and to join the alkali groove, and this is road two for it.Road one accomplish alkali lye dispensing function to mercerizing range, the online detection accomplished current alkali lye density of road two.
Through control threeway Pneumatic valve 16 and 17 switching-overs, clear water 31 can be discharged via threeway Pneumatic valve 16, densitometer 22, filter 10, threeway Pneumatic valve 17 backs.This function is accomplished the cleaning to densitometer 22 detection probe and filter, thereby guarantees the accuracy that concentration of lye detects, and can effectively prevent pipeline blockage.
The probe of temperature sensor 19 places joins in the alkali groove 25, realizes the measurement to current alkali liquid temperature; Floating-ball level switch 18 is installed on joins on the alkali groove 25, realizes joining the detection of liquid level height in the alkali groove 25.
The unspecified part of the utility model belongs to those skilled in the art and knows general knowledge altogether.The foregoing description only be used to explain inventive concept of the utility model, but not to the qualification of the utility model rights protection allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should fall into the protection domain of the utility model.
Claims (4)
1. based on the mercerizing range alkali lye automatic delivery of PLC, it is characterized in that: comprise that cloth hair filter, alkali lye delivery tube valve cell, PLC control system; Cloth hair filter accesses in the alkali lye delivery tube valve cell, and alkali lye delivery tube valve cell is controlled by PLC control system.
2. the mercerizing range alkali lye automatic delivery based on PLC as claimed in claim 1; It is characterized in that: described cloth hair filter connecting filament ray machine alkaline bath; Filter after the mercerising alkali treatment contained cloth suede and other impurity in the alkali lye, guarantee the accurate measurement of concentration of lye concentration.
3. the mercerizing range alkali lye automatic delivery based on PLC as claimed in claim 1 is characterized in that: said alkali lye delivery tube valve cell comprises some two logical Pneumatic valves, threeway Pneumatic valve, proportioning valve, piping filter, stirring conveying electric-motor pump group, joins alkali groove, liquid-level switch, densitometer, flowmeter, temperature sensor and respective line; Concentrated base flows into via piping filter, flowmeter, proportioning valve joins the alkali groove; Reclaiming alkali, light alkali flows into and joins the alkali groove via corresponding two logical Pneumatic valves, piping filter respectively; Alkali lye is after cloth hair filter filters in the mercerizing range alkaline bath, is delivered to by the electric-motor pump group and joins the alkali groove, and realize joining the agitating function of alkali alkali in groove liquid; Join alkali alkali in groove liquid and after the electric-motor pump group, be divided into two-way: the one tunnel outputs to the mercerizing range alkaline bath via big flow Pneumatic valve; One the tunnel joins the alkali groove via flowing into behind low discharge Pneumatic valve, threeway Pneumatic valve, in-line filter, the densitometer, accomplishes the online detection to alkali lye density; Through the switching-over of control threeway Pneumatic valve, can control clear water and discharge after via threeway Pneumatic valve, densitometer, filter, accomplish cleaning to densitometer and filter, guarantee the accuracy that concentration of lye detects, prevent pipeline blockage.
4. the mercerizing range alkali lye automatic delivery based on PLC as claimed in claim 1 is characterized in that: described PLC control system comprises programmable controller and connected touch-screen, signal condition module, switching signal amplifying circuit; Touch-screen is provided with processing parameter and shows in real time; The collection of signal condition module is carried out filtering and processing and amplifying from flowmeter, temperature sensor, densitometric analog signal, and the signal after will nursing one's health is input in the said Programmable Logic Controller, to guarantee that signal accurately and reliably; The switching signal amplifying circuit converts the high level signal that is complementary with controlled device in the low level signal with Programmable Logic Controller output, and realizes effectively isolating, thereby guarantees Programmable Logic Controller effectively to open switch valve and can overcurrent; The analog quantity output signals that produces in the Programmable Logic Controller is used for the action of control ratio valve, two logical Pneumatic valves, threeway Pneumatic valve; Programmable Logic Controller also can receive the input switch signal from liquid-level switch, judges in view of the above to join in the alkali groove liquid level height and make quick dosing, stop the dosing decision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188140 CN202576909U (en) | 2012-04-28 | 2012-04-28 | PLC (Programmable Logic Controller)-based automatic distributing system for alkaline liquor of mercerizing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220188140 CN202576909U (en) | 2012-04-28 | 2012-04-28 | PLC (Programmable Logic Controller)-based automatic distributing system for alkaline liquor of mercerizing machine |
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| CN202576909U true CN202576909U (en) | 2012-12-05 |
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| CN 201220188140 Expired - Fee Related CN202576909U (en) | 2012-04-28 | 2012-04-28 | PLC (Programmable Logic Controller)-based automatic distributing system for alkaline liquor of mercerizing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634948A (en) * | 2012-04-28 | 2012-08-15 | 浙江旭宏电子有限公司 | PLC-based automatic delivery system for alkali liquor of mercerizing machine |
| CN103983747A (en) * | 2014-05-30 | 2014-08-13 | 常州市宏大电气有限公司 | On-line continuous dyeing and printing process liquid concentration detection device |
| CN104153140A (en) * | 2014-08-13 | 2014-11-19 | 芜湖富春染织有限公司 | Novel alkali preparation device for alkali used for yarn mercerizing |
| CN104153149A (en) * | 2014-08-13 | 2014-11-19 | 芜湖富春染织有限公司 | Alkali preparation device for alkali used for yarn mercerizing |
-
2012
- 2012-04-28 CN CN 201220188140 patent/CN202576909U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634948A (en) * | 2012-04-28 | 2012-08-15 | 浙江旭宏电子有限公司 | PLC-based automatic delivery system for alkali liquor of mercerizing machine |
| CN102634948B (en) * | 2012-04-28 | 2014-01-01 | 浙江旭宏电子有限公司 | PLC-based automatic delivery system for alkali liquor of mercerizing machine |
| CN103983747A (en) * | 2014-05-30 | 2014-08-13 | 常州市宏大电气有限公司 | On-line continuous dyeing and printing process liquid concentration detection device |
| CN103983747B (en) * | 2014-05-30 | 2016-03-02 | 常州市宏大电气有限公司 | Dyeing and printing process liquid on-line continuous concentration detection apparatus |
| CN104153140A (en) * | 2014-08-13 | 2014-11-19 | 芜湖富春染织有限公司 | Novel alkali preparation device for alkali used for yarn mercerizing |
| CN104153149A (en) * | 2014-08-13 | 2014-11-19 | 芜湖富春染织有限公司 | Alkali preparation device for alkali used for yarn mercerizing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140428 |