CN101876818B - Automation control method of production devices of sodium naphthalene sulfonate series products - Google Patents
Automation control method of production devices of sodium naphthalene sulfonate series products Download PDFInfo
- Publication number
- CN101876818B CN101876818B CN2009100504178A CN200910050417A CN101876818B CN 101876818 B CN101876818 B CN 101876818B CN 2009100504178 A CN2009100504178 A CN 2009100504178A CN 200910050417 A CN200910050417 A CN 200910050417A CN 101876818 B CN101876818 B CN 101876818B
- Authority
- CN
- China
- Prior art keywords
- production devices
- naphthalene sulfonate
- series products
- sodium naphthalene
- head tank
- Prior art date
- 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.)
- Active
Links
Images
Abstract
The invention provides an automation control method of production devices of sodium naphthalene sulfonate series products, wherein a PLC control system with a PID controller is used to perform data collection and control operation to the production devices; and the parameters of the PID controller are automatically adjusted to control a feed valve on a feed duct and regulating valves on a steam duct and cooling water duct, thus stabilizing the pressure and temperature in the reaction tank and further solving the problem that in the existing production technology, the production devices require manual control and auxiliary operation of meters so that the dispersion force, component content and stability of the products are poor and the product quality is affected.
Description
Technical field
The present invention relates to a kind of surfactant production technology, particularly relate to a kind of automation control method of production devices of sodium naphthalene sulfonate series products.
Background technology
Sodium naphthalene sulfonate (Naphthalene sulfonate) series of products are a kind of superior performance, broad-spectrum chemical assistant, are widely used in printing and dyeing, building, agricultural chemicals, rubber, plating, coating and other industry and daily life.
The production technology of said devices of sodium naphthalene sulfonate series products is mainly through oversulfonate, hydrolysis, condensation, neutralization and drying and other steps; In traditional production line; Produce the device of said sodium naphthalene sulfonate; Mainly comprise the conduit of two raw material head tanks (being sulfuric acid high position tank and formaldehyde head tank), agitated reactor, the said raw material head tank of connection and said agitated reactor and be arranged at the controlling valve that is used to control material flow on the said conduit; In addition; Also be communicated with many conduits (for example the turnover conduit of recirculated water, steam pass in and out conduit and is used for compressed-air actuated conduit etc.) that are used for said temperature control and pressure control on the said agitated reactor, and respectively be provided with controlling valve on this conduit.
In actual production process, the sheet refined naphthalene is directly added said agitated reactor, carry out the Steam Heating intensification then said sheet refined naphthalene is melted; After treating its whole fusions, the concentrated sulphuric acid with a certain amount of proportioning in the said sulfuric acid high position tank continuously adds said agitated reactor sulfonation insulation two hours with certain flow again, adds the deionized water hydrolysis of metering again; Be cooled to temperature required after intermediate detection is qualified; Then, the formaldehyde of a certain amount of proportioning in the said formaldehyde head tank added with certain flow lentamente carry out condensation in the agitated reactor, stir insulation and made reaction more abundant in ten hours; After condensation reaction finishes, during material moved into still in the back spray drying that neutralizes.So; The device of the said sodium naphthalene sulfonate of existing production all is by control manually, and the instrument non-productive operation is because the manually-operated labile factor is more; Especially the man-induced fluctuations factor is bigger on links such as material metering, charging rate, temperature of reaction, reaction pressure, reaction time; Products obtained therefrom shows that mainly dispersancy, component concentration and stable aspect are all inadequate, thereby bigger to the quality influence of product, has become the present problem demanding prompt solution for the dealer of association area.
Summary of the invention
The shortcoming of prior art in view of the above; The object of the present invention is to provide a kind of automation control method of production devices of sodium naphthalene sulfonate series products, to solve the more and bigger problem of labile factor that control manually causes in the existing production technology to the quality influence of product.
For realizing above-mentioned purpose and other relevant purposes; The present invention provides a kind of automation control method of production devices of sodium naphthalene sulfonate series products; By one have the PID controller the PLC control system said process units is carried out data acquisition and control operation; Wherein, Said process units comprises discharge pump, raw material head tank, agitated reactor, feed conduit, steam and coolant guide pipe at least, is located at the inlet valve on the said feed conduit and is located at the variable valve on said steam and the coolant guide pipe respectively; It is characterized in that: (1) applying electronic weighing sensor detects the weight of raw material head tank, controls the inlet valve and the switching of discharge pump on the said feed conduit via the automatic adjustment of said PID controller parameter, to press the demand pump in stock to this raw material head tank.(2) pressure in the applying pressure transmitters sense agitated reactor; Inlet valve via on the automatic adjustment control feed conduit of said PID controller parameter reaches little inertia action, makes said reacting kettle inner pressure stable with the severity of controlling chemical heat release in the agitated reactor.(3) application of temperature transmitters sense reactor temperature is controlled the variable valve on said steam and the coolant guide pipe respectively via the automatic adjustment of said PID controller parameter, makes said reactor temperature stable with the flow of steam regulation and chilled water.
In the automation control method of production devices of sodium naphthalene sulfonate series products of the present invention, said step (1) comprises also that before the sheet refined naphthalene is added said agitated reactor and Steam Heating to heat up its operation steps of melting.
In the automation control method of production devices of sodium naphthalene sulfonate series products of the present invention, said raw material head tank is two, i.e. sulfuric acid high position tank and formaldehyde head tank, and in the present invention's embodiment, said raw material head tank is provided with electronic scales molality piece.
As stated; The automation control method of production devices of sodium naphthalene sulfonate series products of the present invention mainly be through one have the PID controller the PLC control system said process units is carried out data acquisition and control operation; Need control and instrument non-productive operation manually to solve process units described in the existing production technology; And the product dispersancy that causes, component concentration and the stable aspect problem that influences product quality such as all inadequate has promptly effectively overcome various shortcoming of the prior art.
Description of drawings
Fig. 1 is shown as the framework synoptic diagram of production devices of sodium naphthalene sulfonate series products of the present invention.
Fig. 2 demonstration is applied to the framework synoptic diagram into PLC control system among the present invention.
Fig. 3 demonstration is applied to the principle of work synoptic diagram into PID controller among the present invention.
Fig. 4 is shown as the robotization regulating and controlling principle schematic of reinforced program among the present invention.
Fig. 5 is shown as the robotization regulating and controlling principle schematic of agitated reactor pressure control program among the present invention.
Fig. 6 is shown as the robotization regulating and controlling principle schematic of agitated reactor temperature control program among the present invention.
The simple declaration of element numbers:
11 discharge pumps
12 raw material head tanks
13 agitated reactors
14 feed conduits
15 steam and coolant guide pipe
16 inlet valves
17 variable valve
21 initialization modules
22 raw material configuration modules
23 process control modules
24 charging control modules
25 agitated reactor pressure control modules
26 agitated reactor temperature control modules
Embodiment
Below through specific instantiation embodiment of the present invention is described, those skilled in the art can understand other advantages of the present invention and effect easily by the content that this instructions disclosed.The present invention can also implement or use through other different embodiment, and each item details in this instructions also can be based on different viewpoints and application, carries out various modifications or change under the spirit of the present invention not deviating from.
See also Fig. 1, Fig. 1 is shown as the framework synoptic diagram of production devices of sodium naphthalene sulfonate series products of the present invention.As shown in the figure; The present invention provides a kind of automation control method of production devices of sodium naphthalene sulfonate series products; By one have the PID controller the PLC control system said process units is carried out data acquisition and control operation; Wherein, said process units comprise discharge pump 11, raw material head tank 12, agitated reactor 13, feed conduit 14, steam and coolant guide pipe 15 at least, be located at the inlet valve 16 on the said feed conduit 14 and be located at said steam respectively and coolant guide pipe 15 on variable valve 17.
In the automation control method of production devices of sodium naphthalene sulfonate series products of the present invention; Said raw material head tank 12 is two; Be sulfuric acid high position tank 12 and formaldehyde head tank 12, in the present invention's embodiment, said raw material head tank 12 is provided with electronic scales molality piece (among the figure not label).
See also Fig. 2, Fig. 2 demonstration is applied to the framework synoptic diagram into PLC control system of the present invention.As shown in the figure; Said production devices of sodium naphthalene sulfonate series products carries out data acquisition and control operation by a PLC control system; In present embodiment, said PLC control system has initialization module 21, raw material configuration module 22, process control module 23, charging control module 24, agitated reactor pressure control module 25 and agitated reactor temperature control module 26.What need special explanation is that said PLC control system also has a PID controller, is used for above-described respectively this module is controlled; Said PID controller principle of work is as shown in Figure 3; Be that pid parameter adjusts be in above-described respectively this module, after circuit controls drops into, earlier with one group of initial pid parameter (P: scale-up factor; I: integral coefficient; D: differential coefficient) control, the critical parameters that the functional operation module of said PID controller (among the figure not label) obtains calculate and are suitable for proportional band (P), integration (I), the differential controlled variable such as (d) that stability margin requires; Via from tuning PID study adjustment coefficient, obtain P, I, D parameter and the actual measurement operating condition adjustment coefficient of the minimum stability margin of input, moderate stability margin, maximum stable nargin, adjustment P, I, D parameter are so that system obtains desirable sound attitude control.
See also Fig. 4, Fig. 4 is shown as the robotization regulating and controlling principle schematic of reinforced program among the present invention.The applying electronic weighing sensor detects the weight of raw material head tank 12, controls inlet valve 16 and the switching of discharge pump 11 on the said feed conduit 14 via the automatic adjustment of said PID controller parameter, with by the demand pump in stock to this raw material head tank 12.In this embodiment; Because the raw material concentrated sulphuric acid is delivered to sulfuric acid high position tank 12 from the irrigated area pump, a discharge pump 11 is share in several workshops, and adding the above discharge pump 11 has the control of the characteristics sulfuric acid feedstock pump of batch production to be connected; Like this in working control; Control employing order and interlocking coupling, workshop are that sulfuric acid high position tank 12 adopts electronic scales molality piece, and it is subsequent use that the sulfuric acid of setting weight can pump into workshop sulfuric acid high position tank 12 as required automatically.Formaldehyde head tank 12 also adopts the metering of electronic scales molality piece.The instantaneous delivery that raw material adds in the still is converted out by the reduction of heavy unit interval of meter, and feeding quantity also can be set in man-machine interface.
See also Fig. 5, Fig. 5 is shown as the robotization regulating and controlling principle schematic of agitated reactor pressure control program among the present invention.Pressure in the applying pressure transmitters sense agitated reactor 13; Inlet valve 16 via on the automatic adjustment control feed conduit 14 of said PID controller parameter reaches little inertia action, makes said agitated reactor 13 internal pressures stable with the severity of controlling chemical heat releases in the agitated reactor 13.
See also Fig. 6, Fig. 6 is shown as the robotization regulating and controlling principle schematic of agitated reactor temperature control program among the present invention.Temperature in the application of temperature transmitters sense agitated reactor 13 are controlled the variable valve 17 on said steam and the coolant guide pipe 15 respectively via the automatic adjustment of said PID controller parameter, make temperature stabilizations in the said agitated reactor 13 with the flow of steam regulation and chilled water.
In the production run of sulfonation condensation, the control of reactor temperature is more unmanageable always, adds the inadequate natural endowment of some auxiliary processes; The way that often adopts the people to stare in the prior art, but be difficult to reach ideal effect, in this device, adopt multipoint temperature measuring specifically; Make full use of the advantage of PLC control system; Sequential control, interlocked control and complicated loop algorithm are perfectly combined, and program can be learnt reaction process according to current states (some important parameters such as interior temperature, add acid, formaldehyde flow amount, pressure etc.), carries out up-to-date controlling schemes then; So both make the technological parameter trend stable, improved the quality of product again.
Need to prove; Method of the present invention mainly is in the automation control method of production devices of sodium naphthalene sulfonate series products of the present invention, also comprises before the step of said reinforced program the sheet refined naphthalene is added said agitated reactor and Steam Heating heats up its operation steps of melting.
In sum; The automation control method of production devices of sodium naphthalene sulfonate series products of the present invention mainly be through one have the PID controller the PLC control system said process units is carried out data acquisition and control operation; Need control and instrument non-productive operation manually to solve process units described in the existing production technology, and the product dispersancy that causes, component concentration and the stable aspect problem that influences product quality such as all inadequate; Moreover, adopt automation control method can reach accurate metering, pressure and stable temperature control in the agitated reactor; Not only can save energy consumption about 10%, and reduce labour intensity, guarantee constant product quality; Make the product the key technical indexes particularly, diffusive force brings up to 115 by original 100, and product must be measured every batch increases by 200～300Kg; Overall economic efficiency is better, has reached the set goal, has promptly effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any have the knack of this technological personage all can be under spirit of the present invention and category, the foregoing description is modified or is changed.Therefore, have common knowledge the knowledgeable in the affiliated such as technical field, must contain by claim of the present invention not breaking away from all equivalence modifications of being accomplished under disclosed spirit and the technological thought or changing.
Claims (4)
1. the automation control method of a production devices of sodium naphthalene sulfonate series products; By one have the PID controller the PLC control system said process units is carried out data acquisition and control operation; Wherein, Said process units comprises discharge pump, raw material head tank, agitated reactor, feed conduit, steam and coolant guide pipe at least, is located at the inlet valve on the said feed conduit and is located at the variable valve on said steam and the coolant guide pipe respectively, it is characterized in that:
(1) the applying electronic weighing sensor detects the weight of raw material head tank, controls the inlet valve and the switching of discharge pump on the said feed conduit via the automatic adjustment of said PID controller parameter, to press the demand pump in stock to this raw material head tank.
(2) pressure in the applying pressure transmitters sense agitated reactor; Inlet valve via on the automatic adjustment control feed conduit of said PID controller parameter reaches little inertia action, makes said reacting kettle inner pressure stable with the severity of controlling chemical heat release in the agitated reactor.
(3) application of temperature transmitters sense reactor temperature is controlled the variable valve on said steam and the coolant guide pipe respectively via the automatic adjustment of said PID controller parameter, makes said reactor temperature stable with the flow of steam regulation and chilled water.
2. the automation control method of production devices of sodium naphthalene sulfonate series products as claimed in claim 1, it is characterized in that: said raw material head tank is two.
3. the automation control method of production devices of sodium naphthalene sulfonate series products as claimed in claim 2, it is characterized in that: said raw material head tank is sulfuric acid high position tank and formaldehyde head tank.
4. the automation control method of production devices of sodium naphthalene sulfonate series products as claimed in claim 1 is characterized in that: said step (1) also comprises before the sheet refined naphthalene is added said agitated reactor and Steam Heating heats up its operation steps of melting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100504178A CN101876818B (en) | 2009-04-30 | 2009-04-30 | Automation control method of production devices of sodium naphthalene sulfonate series products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100504178A CN101876818B (en) | 2009-04-30 | 2009-04-30 | Automation control method of production devices of sodium naphthalene sulfonate series products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101876818A CN101876818A (en) | 2010-11-03 |
| CN101876818B true CN101876818B (en) | 2012-04-18 |
Family
ID=43019393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100504178A Active CN101876818B (en) | 2009-04-30 | 2009-04-30 | Automation control method of production devices of sodium naphthalene sulfonate series products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101876818B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391382A (en) * | 2011-09-16 | 2012-03-28 | 邸勇 | Automatic control method for reaction kettle for producing cellulose ether |
| CN104028189B (en) * | 2013-03-08 | 2016-03-09 | 上海天坛助剂有限公司 | A kind of automatic production method of multiple phenol polyethenoxy ether sulfonated bodies |
| CN104028190B (en) * | 2013-03-08 | 2015-11-11 | 上海天坛助剂有限公司 | A kind of automatic production method of glycerin polyoxyethylene ether sulfonated bodies |
| CN104014294B (en) * | 2014-03-28 | 2016-02-03 | 上海天坛助剂有限公司 | A kind of sodium butylnaphthalenesulfonate automatic production method |
| CN104536494A (en) * | 2014-11-11 | 2015-04-22 | 新奥科技发展有限公司 | Control method of supercritical processing system |
| CN115318216A (en) * | 2022-08-26 | 2022-11-11 | 焦作市华康糖醇科技有限公司 | Hydrolysis reaction kettle device and automatic control method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1713096A (en) * | 2004-06-15 | 2005-12-28 | 袁璞 | Control and control system for continuous chemical reactor production |
| CN201626929U (en) * | 2010-01-21 | 2010-11-10 | 上海天坛助剂有限公司 | Automatic control device for producing naphthalene sulfonate series products |
-
2009
- 2009-04-30 CN CN2009100504178A patent/CN101876818B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1713096A (en) * | 2004-06-15 | 2005-12-28 | 袁璞 | Control and control system for continuous chemical reactor production |
| CN201626929U (en) * | 2010-01-21 | 2010-11-10 | 上海天坛助剂有限公司 | Automatic control device for producing naphthalene sulfonate series products |
Non-Patent Citations (1)
| Title |
|---|
| 霍罡.基于PLC的二自由度PID控制算法研究及应用.《计算机测量与控制》.2005,(第4期),第344-345，365页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101876818A (en) | 2010-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101876818B (en) | Automation control method of production devices of sodium naphthalene sulfonate series products | |
| CN201626929U (en) | Automatic control device for producing naphthalene sulfonate series products | |
| CN104028189B (en) | A kind of automatic production method of multiple phenol polyethenoxy ether sulfonated bodies | |
| CN104014294B (en) | A kind of sodium butylnaphthalenesulfonate automatic production method | |
| CN204251400U (en) | PH control with changed scale regulation device | |
| CN201988366U (en) | Continuous subcritical water tube type reaction apparatus | |
| CN104028190B (en) | A kind of automatic production method of glycerin polyoxyethylene ether sulfonated bodies | |
| CN203183997U (en) | Automatic production system for glycerin polyethenoxy ether sulfonate | |
| CN102631878A (en) | Intelligent reaction kettle | |
| CN101876822B (en) | Automatic control method for polyethenoxy ether production equipment | |
| CN201746485U (en) | Apparatus of preparing m-phenol diamine by continuous hydrolysis of metaphenylene diamine | |
| CN208275392U (en) | A kind of continuous neutralization device | |
| CN203307265U (en) | Automated production system of poly-phenol polyoxyethylene sulfonates | |
| CN203079853U (en) | Naphthalene water reducer producing device | |
| CN209193996U (en) | A kind of system that hemicellulose continuous hydrolysis prepares Xylose | |
| CN202193746U (en) | Automation control device for producing succinate sodium sulfonate | |
| CN213611308U (en) | Automatic temperature control system of reation kettle | |
| CN103951554A (en) | Automated control system and control method used in production of monochloroacetic acid | |
| CN203999004U (en) | Industrial Wastewater Treatment integrated control | |
| CN202570134U (en) | Intelligent reaction pot | |
| CN202570133U (en) | Intelligent temperature control device for reaction vessel | |
| CN202450010U (en) | Hydrogenation reaction device system for use in ethylene glycol industrial production | |
| CN206476925U (en) | A kind of isooctyl acid production system | |
| CN205042466U (en) | Sodium lactate automatic control system | |
| CN218166950U (en) | 2-mercaptothiazoline cyclization reaction continuous automatic production device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220809 Address after: 448000 Jingmen high tech Zone, Jingmen City, Hubei Province No. 6, sunshine 1st Road, Duodao District Patentee after: Hubei Shangzhu Chemical Co.,Ltd. Address before: 201419 No. 9500 Puxing Road, Xinghuo Development Zone, Fengxian District, Shanghai Patentee before: SHANGHAI TIANTAN AUXILIARIES Co.,Ltd. |
|
| TR01 | Transfer of patent right |