CN104028189A - Sulfonated composite phenol ethoxylate automatic-production system and automatic-control method thereof - Google Patents
Sulfonated composite phenol ethoxylate automatic-production system and automatic-control method thereof Download PDFInfo
- Publication number
- CN104028189A CN104028189A CN201310075126.0A CN201310075126A CN104028189A CN 104028189 A CN104028189 A CN 104028189A CN 201310075126 A CN201310075126 A CN 201310075126A CN 104028189 A CN104028189 A CN 104028189A
- Authority
- CN
- China
- Prior art keywords
- temperature
- production system
- reactor
- control valve
- reaction
- 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.)
- Granted
Links
Abstract
The invention provides a sulfonated composite phenol ethoxylate automatic-production system and an automatic-control method thereof. The method mainly utilizes a programmable logic device with a PID controller to realize data acquisition and control operation of the sulfonated composite phenol ethoxylate automatic-production system so that a sulfonation reaction occurs at a stable temperature. Therefore, the raw materials undergo a complete reaction and safe production and product quality are ensured so that the existing production technology problem of large product quality influence produced by main product defects such as low conversion ratio, poor component content and poor stability caused by man-made influence on material metering, charging rate, reaction temperature, reaction pressure and reaction time having large artificial fluctuation factors is solved and various defects of the prior art are overcome. The sulfonated composite phenol ethoxylate automatic-production system and the automatic control method have wide application prospects.
Description
Technical field
The present invention relates to a kind of automatic producing technology of anion surfactant, specifically, relate to a kind of mechanized production system and automation control method thereof of multiple phenol polyethenoxy ether sulfonated bodies.
Background technology
The sulfonated bodies of multiple phenol polyethenoxy ether is a kind of purposes anion surfactant very widely, is good emulsifying agent and dispersant, is widely used in the industries such as agricultural chemicals, chemical industry, printing and dyeing.The sulfonated bodies of multiple phenol polyethenoxy ether is to be made through sulfonating reaction by multiple phenol polyethenoxy ether, and in therefore producing, crucial operation is sulfonation, and it is not only related to the quality of product, and is related to safety.
The process for sulfonation adopting in the time that the sulfonated bodies of multiple phenol polyethenoxy ether is produced is: multiple phenol polyethenoxy ether 98% concentrated sulfuric acid carries out sulfonating reaction as sulfonating agent, because the requirement of technique, this sulfonating reaction must be carried out 85～95 DEG C of left and right; Because sulfonating reaction is a fierce reaction, if temperature drift is gently, can cause product quality bad, heavy can cause side reaction until cause accident hazard; In prior art, the production method of multiple phenol polyethenoxy ether sulfonated bodies is all by controlling manually, instrument auxiliary operation, because manual operation destabilizing factor is more, especially in the links such as material metering, charging rate, reaction temperature, reaction pressure, reaction time, man-induced fluctuations factor is larger, it is all inadequate that products obtained therefrom is mainly manifested in outward appearance, active matter content and stability aspect, thereby large and exist great potential safety hazard to the quality influence of product, become the current problem demanding prompt solution of dealer of association area.
Summary of the invention
The problems referred to above that exist for prior art, the object of this invention is to provide a kind of safe, again mechanized production system and the automation control method thereof of phenol polyethenoxy ether sulfonated bodies efficiently.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies, wherein: at least comprise that one has programmable logic device (PLC), measuring tank, reactor, steam lead, the coolant guide pipe of PID controller and is located at respectively the control valve on described steam lead and coolant guide pipe, wherein:
In described reactor, be provided with a temperature, pressure analyzer, and the temperature and pressure transmitter being connected with the described temperature, pressure analyzer of difference, described temperature and pressure transmitter is all connected with described programmable logic device;
Described measuring tank is provided with a weight sensor, and described weight sensor is connected with programmable logic device;
Described programmable logic device is located at the control valve switch on steam and coolant guide pipe described in controlling respectively.
Preferably, described production system also comprises delivery pump, and described delivery pump is connected with sulfonating agent feed sump and sulfonating agent is delivered to described measuring tank.
Preferably, described weight sensor is an electronic scale with transmitter.
Preferably, described measuring tank is connected by a feed conduit with described reactor.
More preferably, described feed conduit is provided with charging control valve.
More preferably, described in described programmable logic device control, be located at the charging control valve switch on feed conduit.
The automation control method of the mechanized production system of above-mentioned multiple phenol polyethenoxy ether, carries out data acquisition and control by a programmable logic device (PLC) with PID controller to described sulfonating reaction production and operates, wherein:
Described weight sensor is for monitoring the real-time weight of sulfonating agent in described measuring tank, and described weight data is transferred to described programmable logic device, automatically adjust the charging control valve controlled on described feed conduit and the switching of delivery pump via described PLC, carry out sulfonating reaction sulfonating agent is delivered to described reactor by demand;
Described temperature, pressure analyzer and the described temperature and pressure transmitter being connected are respectively used for monitoring described reactor temperature and pressure and send temperature and pressure data to programmable logic control device, reach little inertia action via the charging control valve on the automatic adjustment control feed conduit of described PID controller parameter, make described reacting kettle inner pressure stable to control the fierce degree of chemical heat release in reactor; Or/and control respectively the control valve on described steam and coolant guide pipe via the automatic adjustment of described PLC, make described reactor temperature stable with the flow of steam regulation and cooling water.
Preferably, automatically adjust the inlet valve controlled on feed conduit and the control valve on described steam and coolant guide pipe to control temperature in reactor as 90 ± 5 DEG C via described PLC.
More preferably, the described sulfonating reaction time is 2～3 hours.
More preferably, first add multiple phenol polyethenoxy ether at reactor, stir, open PLC, automatically control and open the control valve that is positioned on described steam lead and first carry out Steam Heating by PLC according to reactor temperature, be when more than 80 DEG C to reactor temperature, more automatically control and close the control valve being positioned on described steam lead to stop heating via PLC, and open the control valve being positioned on described feed conduit and add sulfonating agent to start sulfonating reaction to reactor; Automatically regulated flow velocity size and the reinforced speed of sulfonating agent of cooling water by the real-time parameter of the temperature and pressure in the reactor of described temperature, pressure analyzer and connected temperature and pressure transmitter collection respectively by PLC, complete to sulfonating reaction.
More preferably, the speed that adds in described sulfonating agent is 400～500kg/ hour.
More preferably, described reaction temperature is 80～90 ± 5 DEG C.
More preferably, the described sulfonating reaction time is 1～2 hour and reaches the follow-up continuous insulation reaction of described reaction temperature 2～3 hours.
As mentioned above, the mechanized production system and the automation control method thereof that the invention provides multiple phenol polyethenoxy ether sulfonated bodies are mainly, by a programmable logic device with PID controller, described production system is carried out to data acquisition and control operation, sulfonating reaction is carried out under stable temperature and pressure, ensured reacting completely and ensure safety in production and product quality of raw material, to solve in existing production technology at material metering, charging rate, reaction temperature, reaction pressure, in the links such as reaction time, man-induced fluctuations factor is larger, and the products obtained therefrom causing is mainly manifested in conversion ratio, constituent content and stability aspect are all inadequate, thereby larger to the quality influence of product, effectively overcome various shortcoming of the prior art, therefore its application prospect is very wide.
Brief description of the drawings
Fig. 1 is the framework schematic diagram of the mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies provided by the invention;
In figure: 1, programmable logic device, 2, delivery pump, 3, reactor, 4, measuring tank, 5, steam lead, 6, coolant guide pipe, 7, control valve, 8, temperature, pressure analyzer, 9, cold rinse bank, 10, steam generator.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing to the present invention do further in detail, intactly explanation.
The invention provides a kind of mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies, wherein: at least comprise that one has the programmable logic device (PLC of PID controller, 1), delivery pump (2), measuring tank (4), reactor (3), steam lead (5), coolant guide pipe (6) and be located at respectively the control valve (7) on described steam lead and coolant guide pipe, wherein:
In described reactor, be also provided with a temperature, pressure analyzer (8), and the temperature and pressure transmitter being connected with the described temperature, pressure analyzer of difference,
Described measuring tank is provided with a weight sensor, and described weight sensor is preferably an electronic scale with transmitter; In present embodiment, because sulfonating agent raw material (concentrated sulfuric acid) is delivered to workshop measuring tank from tank area with pump, can share a delivery pump in several workshops, adding the above delivery pump has the control of the feature sulfuric acid feedstock pump of Batch Process to be connected, like this in working control, control employing order and interlocking combination, the sulfuric acid gauge tank in workshop adopts electronic scale molality piece, and it is for subsequent use that the sulfuric acid of setting weight can pump into workshop sulfuric acid gauge tank as required automatically.
Described delivery pump is connected with sulfonating agent feed sump and sulfonating agent is delivered to described measuring tank, described measuring tank is connected by a feed conduit with described reactor, and described feed conduit is provided with charging control valve (not marking in figure), described charging control valve is for controlling the addition of the concentrated sulfuric acid;
Described PLC is connected with weight sensor, temperature and pressure transmitter respectively, collects the real time data being obtained by weight sensor, temperature and pressure transmitter; Described PLC controls respectively the control valve be located on steam and coolant guide pipe, is located at the charging control valve switch on feed conduit, changes for the temperature and pressure of controlling the addition of the sulfonating agent that enters reactor and control in reactor.
Wherein, described cooling water for be derived from a bosh (9) or with above-mentioned production system workshop in water supply pipe; The jet chimney of described vapour source in above-mentioned production system workshop or in the steam generator (10) established; Determined by the environment in production system workshop, be as the criterion with environment-friendly high-efficiency.
The automation control method of the mechanized production system of above-mentioned multiple phenol polyethenoxy ether, carries out data acquisition and control by a programmable logic device (PLC) with PID controller to described sulfonating reaction production and operates, wherein:
Described weight sensor is for monitoring the real-time weight of sulfonating agent in described measuring tank, and described weight data is transferred to described programmable logic device, automatically adjust the charging control valve controlled on described feed conduit and the switching of delivery pump via described PLC, carry out sulfonating reaction sulfonating agent is delivered to described reactor by demand;
Described temperature, pressure analyzer and the described temperature and pressure transmitter being connected are respectively used for monitoring described reactor temperature and pressure and send temperature and pressure data to programmable logic control device, and control respectively the control valve on described steam and coolant guide pipe via the automatic adjustment of described PLC, make described reactor temperature stable with the flow of steam regulation and cooling water.
Be specially: first add multiple phenol polyethenoxy ether at reactor, stir, open PLC, automatically control and open the control valve that is positioned on described steam lead and first carry out Steam Heating by PLC according to reactor temperature, be when more than 80 DEG C to reactor temperature, automatically control and close the control valve being positioned on described steam lead to stop heating via PLC again, and the control valve that unlatching is positioned on described feed conduit adds sulfonating agent to start sulfonating reaction to reactor; Automatically regulated flow velocity size and the reinforced speed of sulfonating agent of cooling water by the real-time parameter of the temperature and pressure in the reactor of described temperature, pressure analyzer and connected temperature and pressure transmitter collection respectively by PLC, complete to sulfonating reaction; Wherein: automatically adjust the inlet valve controlled on feed conduit and the control valve on described steam and coolant guide pipe to control temperature in reactor as 90 ± 5 DEG C via described PLC, the described sulfonating reaction time is 1～2 hour and reaches the follow-up continuous insulation reaction of described reaction temperature 2～3 hours, described reaction temperature is 80～90 ± 5 DEG C, and the speed that adds of the sulfonating agent under reaction temperature is 400～500kg/ hour.
In addition more preferably, described PLC control system also has a PID controller, for above-described respectively this module is controlled, described PID controller operation principle can be consistent with prior art, be that pid parameter adjusts be in above-described respectively this module, after circuit controls drops into, first with one group of initial pid parameter (P: proportionality coefficient, I: integral coefficient, D: differential coefficient) control, the critical parameters that the functional operation module of described PID controller obtains, calculate and be suitable for the proportional band (P) that stability margin requires, integration (I), differential (d) etc. are controlled parameter, adjust coefficient via the PID study of certainly adjusting, P, the I, D parameter and the actual measurement operating condition that obtain the minimum stability margin of input, moderate stability margin, maximum stable nargin are adjusted coefficient, adjust P, I, D parameter, so that system obtains desirable moving static cost control.
In the production process of sulfonating reaction, the control of reactor temperature is more unmanageable always, adds the inadequate natural endowment of some auxiliary processes, often adopts manually-operated way in prior art, but is difficult to reach ideal effect; A kind of using PLC technology that what the present invention initiated provide is to realize the control method of automated production of multiple phenol polyethenoxy ether sulfonation, adopt by a small margin that temperature, pressure is stable to react, make full use of the advantage of PLC control system, sequential control, interlocked control and complicated loop algorithm are perfectly combined, program can be learnt reaction process according to current state (such as interior temperature, pressure etc. of some important parameters), then carry out up-to-date control program, so both make technological parameter trend stable, improved again the quality of product.
Mechanized production system and the automation control method thereof of multiple phenol polyethenoxy ether sulfonated bodies of the present invention are mainly, by a programmable logic device with PID controller, described production system is carried out to data acquisition and control operation, sulfonating reaction is carried out under stable temperature and pressure, ensured reacting completely and ensure safety in production and product quality of raw material, to solve in existing production technology at material metering, charging rate, reaction temperature, reaction pressure, in the links such as reaction time, man-induced fluctuations factor is larger, and the products obtained therefrom causing is mainly manifested in penetration, constituent content and stability aspect are all inadequate, thereby larger to the quality influence of product, effectively overcome various shortcoming of the prior art, moreover, adopt automation control method can reach accurate-metering, pressure in reactor and stable temperature control, not only can save energy consumption 20% left and right, and reduce labour intensity, ensure constant product quality, apply automation control method gained provided by the invention product conversion ratio from original≤85% bring up to >=95%, product recovery rate has increased than originally more than 10%, overall economic efficiency is better, reach the set goal, effectively overcome various shortcoming of the prior art and tool high industrial utilization.There is significant beneficial effect.
Finally be necessary described herein: above embodiment is only for being described in more detail technical scheme of the present invention; can not be interpreted as limiting the scope of the invention, some nonessential improvement that those skilled in the art's foregoing according to the present invention is made and adjustment all belong to protection scope of the present invention.
Claims (10)
1. the mechanized production system of a multiple phenol polyethenoxy ether sulfonated bodies, it is characterized in that: at least comprise that one has programmable logic device (PLC), measuring tank, reactor, steam lead, the coolant guide pipe of PID controller and is located at respectively the control valve on described steam lead and coolant guide pipe, wherein:
In described reactor, be provided with a temperature, pressure analyzer, and the temperature and pressure transmitter being connected with the described temperature, pressure analyzer of difference, described temperature and pressure transmitter is all connected with described programmable logic device;
Described measuring tank is provided with a weight sensor, and described weight sensor is connected with programmable logic device;
Described programmable logic device is located at the control valve switch on steam and coolant guide pipe described in controlling respectively.
2. the mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies according to claim 1, is characterized in that: described production system also comprises delivery pump, and described delivery pump is connected with sulfonating agent feed sump and sulfonating agent is delivered to described measuring tank.
3. the mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies according to claim 1, is characterized in that: described weight sensor is an electronic scale with transmitter.
4. the mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies according to claim 1, is characterized in that: described measuring tank is connected by a feed conduit with described reactor.
5. the mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies according to claim 4, is characterized in that: described feed conduit is provided with charging control valve, is located at the charging control valve switch on feed conduit described in described programmable logic device control.
6. the automation control method of the mechanized production system of multiple phenol polyethenoxy ether claimed in claim 1, carries out data acquisition and control by a programmable logic device (PLC) with PID controller to described sulfonating reaction production and operates, and it is characterized in that:
Described weight sensor is for monitoring the real-time weight of sulfonating agent in described measuring tank, and described weight data is transferred to described programmable logic device, automatically adjust the charging control valve controlled on described feed conduit and the switching of delivery pump via described PLC, carry out sulfonating reaction sulfonating agent is delivered to described reactor by demand;
Described temperature, pressure analyzer and the described temperature and pressure transmitter being connected are respectively used for monitoring described reactor temperature and pressure and send temperature and pressure data to programmable logic control device, reach little inertia action via the charging control valve on the automatic adjustment control feed conduit of described PID controller parameter, make described reacting kettle inner pressure stable to control the fierce degree of chemical heat release in reactor; Or/and control respectively the control valve on described steam and coolant guide pipe via the automatic adjustment of described PLC, make described reactor temperature stable with the flow of steam regulation and cooling water.
7. the automation control method of the mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies according to claim 6, is characterized in that: automatically adjust the inlet valve controlled on feed conduit and the control valve on described steam and coolant guide pipe to control temperature in reactor as 90 ± 5 DEG C via described PLC.
8. the automation control method of the mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies according to claim 6, is characterized in that: the described sulfonating reaction time is 2～3 hours.
9. the automation control method of the mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies according to claim 6, it is characterized in that: first add multiple phenol polyethenoxy ether at reactor, stir, open PLC, automatically control and open the control valve that is positioned on described steam lead and first carry out Steam Heating by PLC according to reactor temperature, be when more than 80 DEG C to reactor temperature, automatically control and close the control valve being positioned on described steam lead to stop heating via PLC again, and the control valve that unlatching is positioned on described feed conduit adds sulfonating agent to start sulfonating reaction to reactor, automatically regulated flow velocity size and the reinforced speed of sulfonating agent of cooling water by the real-time parameter of the temperature and pressure in the reactor of described temperature, pressure analyzer and connected temperature and pressure transmitter collection respectively by PLC, complete to sulfonating reaction, described reaction temperature is 80～90 ± 5 DEG C, and the described sulfonating reaction time is 1～2 hour and reaches the follow-up continuous insulation reaction of described reaction temperature 2～3 hours.
10. the automation control method of the mechanized production system of multiple phenol polyethenoxy ether sulfonated bodies according to claim 6, is characterized in that: the speed that adds in described sulfonating agent is 400～500kg/ hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075126.0A CN104028189B (en) | 2013-03-08 | 2013-03-08 | A kind of automatic production method of multiple phenol polyethenoxy ether sulfonated bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075126.0A CN104028189B (en) | 2013-03-08 | 2013-03-08 | A kind of automatic production method of multiple phenol polyethenoxy ether sulfonated bodies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104028189A true CN104028189A (en) | 2014-09-10 |
| CN104028189B CN104028189B (en) | 2016-03-09 |
Family
ID=51459321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310075126.0A Active CN104028189B (en) | 2013-03-08 | 2013-03-08 | A kind of automatic production method of multiple phenol polyethenoxy ether sulfonated bodies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104028189B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984704A (en) * | 2014-12-17 | 2015-10-21 | 江西腾德实业有限公司 | Power transformation equipment double-component casting material synchronization preparation system and power transformation equipment double-component casting material synchronization preparation method |
| CN107159058A (en) * | 2017-06-29 | 2017-09-15 | 新疆科力新技术发展股份有限公司 | The method for automating high-temperature high-voltage reaction device and gasification and non-vaporized synthesis |
| CN110603091A (en) * | 2017-04-28 | 2019-12-20 | 墨西哥氟石股份公司 | Improvements in or relating to propellant conditioning packs |
| CN117475245A (en) * | 2023-12-28 | 2024-01-30 | 福建礼恩科技有限公司 | Intelligent production method and system for preparing flame-retardant polyolefin insulating material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876822A (en) * | 2009-04-30 | 2010-11-03 | 上海天坛助剂有限公司 | Automatic control method for polyethenoxy ether production equipment |
| CN101876818A (en) * | 2009-04-30 | 2010-11-03 | 上海天坛助剂有限公司 | Automation control method of production devices of sodium naphthalene sulfonate series products |
| 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 |
| CN202193746U (en) * | 2011-09-15 | 2012-04-18 | 上海天坛助剂有限公司 | Automation control device for producing succinate sodium sulfonate |
| CN202230350U (en) * | 2011-09-15 | 2012-05-23 | 上海天坛助剂有限公司 | Automatic control device for sulphonating para-phenetidine |
| CN203307265U (en) * | 2013-03-08 | 2013-11-27 | 上海天坛助剂有限公司 | Automated production system of poly-phenol polyoxyethylene sulfonates |
-
2013
- 2013-03-08 CN CN201310075126.0A patent/CN104028189B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876822A (en) * | 2009-04-30 | 2010-11-03 | 上海天坛助剂有限公司 | Automatic control method for polyethenoxy ether production equipment |
| CN101876818A (en) * | 2009-04-30 | 2010-11-03 | 上海天坛助剂有限公司 | Automation control method of production devices of sodium naphthalene sulfonate series products |
| 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 |
| CN202193746U (en) * | 2011-09-15 | 2012-04-18 | 上海天坛助剂有限公司 | Automation control device for producing succinate sodium sulfonate |
| CN202230350U (en) * | 2011-09-15 | 2012-05-23 | 上海天坛助剂有限公司 | Automatic control device for sulphonating para-phenetidine |
| CN203307265U (en) * | 2013-03-08 | 2013-11-27 | 上海天坛助剂有限公司 | Automated production system of poly-phenol polyoxyethylene sulfonates |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984704A (en) * | 2014-12-17 | 2015-10-21 | 江西腾德实业有限公司 | Power transformation equipment double-component casting material synchronization preparation system and power transformation equipment double-component casting material synchronization preparation method |
| CN110603091A (en) * | 2017-04-28 | 2019-12-20 | 墨西哥氟石股份公司 | Improvements in or relating to propellant conditioning packs |
| CN110603091B (en) * | 2017-04-28 | 2021-12-31 | 墨西哥氟石股份公司 | Improvements in or relating to propellant conditioning packs |
| US11465791B2 (en) | 2017-04-28 | 2022-10-11 | Mexichem Fluor S.A. De C.V. | Propellant conditioning assemblies |
| CN107159058A (en) * | 2017-06-29 | 2017-09-15 | 新疆科力新技术发展股份有限公司 | The method for automating high-temperature high-voltage reaction device and gasification and non-vaporized synthesis |
| CN117475245A (en) * | 2023-12-28 | 2024-01-30 | 福建礼恩科技有限公司 | Intelligent production method and system for preparing flame-retardant polyolefin insulating material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104028189B (en) | 2016-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104028189B (en) | A kind of automatic production method of multiple phenol polyethenoxy ether sulfonated bodies | |
| CN101876818B (en) | Automation control method of production devices of sodium naphthalene sulfonate series products | |
| CN104014294B (en) | A kind of sodium butylnaphthalenesulfonate automatic production method | |
| CN104014293A (en) | Automated production device for styrene-acrylic emulsion mixing and automated control method of automated production device | |
| CN103576711B (en) | Based on the chemical reactor temperature-controlled process that quantitative one-parameter PID controls | |
| CN203678385U (en) | Polycarboxylate superplasticizer production system | |
| CN104028190B (en) | A kind of automatic production method of glycerin polyoxyethylene ether sulfonated bodies | |
| CN201626929U (en) | Automatic control device for producing naphthalene sulfonate series products | |
| CN203183997U (en) | Automatic production system for glycerin polyethenoxy ether sulfonate | |
| CN104353375A (en) | Automatic preparing device and method for organic saponification alkaline liquor in rare earth wet-process smelting process | |
| CN203307265U (en) | Automated production system of poly-phenol polyoxyethylene sulfonates | |
| CN103951554B (en) | Automated control system and control method used in production of monochloroacetic acid | |
| CN202193746U (en) | Automation control device for producing succinate sodium sulfonate | |
| CN205570299U (en) | Pyroreaction cauldron temperature regulating device | |
| CN205295188U (en) | Methyl formate produces automatic control system | |
| CN101876822B (en) | Automatic control method for polyethenoxy ether production equipment | |
| CN203764261U (en) | Automatic butylnaphthalene sulfonic acid sodium salt production device | |
| CN202450010U (en) | Hydrogenation reaction device system for use in ethylene glycol industrial production | |
| CN203079853U (en) | Naphthalene water reducer producing device | |
| CN209193996U (en) | A kind of system that hemicellulose continuous hydrolysis prepares Xylose | |
| CN202995443U (en) | Automatic control system for production of methylamine nitrate | |
| CN202230350U (en) | Automatic control device for sulphonating para-phenetidine | |
| CN101776923A (en) | Device for high-precision regulating industrial process pH value and automatic control method thereof | |
| CN212092121U (en) | Intelligent nitric acid complex acid device in ammonium nitrate production process | |
| CN205295187U (en) | Methyl formate production facility |
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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220707 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, Fengxian District, Shanghai Patentee before: SHANGHAI TIANTAN AUXILIARIES Co.,Ltd. |