Continuous production process of efficient aliphatic concrete water reducing agent
A high-efficiency water reducer and production method technology, which is applied in the field of industrialized production equipment for the chemical synthesis of concrete admixtures, can solve the problems of difficult to accurately control the reaction end point, difficult to stabilize product quality, high raw material consumption quota, etc. The effect of small land area and high labor productivity
Inactive Publication Date: 2008-11-05
JIANGDU RUNHUA CHEM
View PDF3 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The main advantage of the traditional production process consisting of reactors is that the operation is simple, but there are many disadvantages: long process time, low production capacity, many side reactions, difficult to accurately control the reaction end point, and difficult to stabilize product quality
At the same time, the raw material consumption quota is too high, the energy consumption is large, and the environmental pollution is serious.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0014] Take the production of aliphatic hydroxy sulfonate superplasticizer as an example.
[0015] The sodium sulfite solution and acetone heated to 60℃ are pumped into the centrifugal reaction pump made of corrosion-resistant material such as 304 at the mass flow rate of 1800Kg / h and 300Kg / h respectively at the same time with a small flow centrifugal pump through the flow meter. The outlet end of the acetone pipeline Paste into the center of the pump impeller.
[0016] Under the high-speed stirring, dispersion and reaction of the pump impeller, the reaction material is injected into a corrosion-resistant material with a steam (or hot water) jacket and built-in mixing components such as a 304 vertical pipeline reactor, and then enters the external steam ( Hot water) a serpentine reaction tube made of 304 material with a jacket and inner spiral groove on the inner wall to continue the liquid-liquid reaction, maintaining the reaction temperature at 68±2°C, and controlling the reacti...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The present invention is continuous production process of efficient aliphatic concrete water reducing agent, and relates to the industrial production of concrete admixture. The concrete water reducing agent is produced through the first sulfonation reaction of acetone and sodium sulfite solution in vertical tubular reactor and snake-shaped reactor at 68 deg.c and 0.30 MPa to obtain intermediate product; the subsequent condensation reaction of 37 wt% concentration formaldehyde solution and the intermediate product in a tubular reactor at 95 deg.c and 0.30 MPa; and final ageing the condensation reaction product naturally in an ageing tank for 4 hr to obtain the concrete water reducing agent. The production process of the present invention is safe, short, saving in material and low in power consumption.
Description
Technical field [0001] The invention relates to the field of industrial production equipment for chemical synthesis of concrete admixtures, in particular to a continuous production process of aliphatic hydroxysulfonates, melamine series and other high-efficiency water reducing agents. Background technique [0002] The concrete chemical synthetic water-reducing agent production industry is an emerging industry that has developed vigorously in my country in the last 15 years. It relies on the national economic foundation and related pillar industries-real estate, transportation, water conservancy, industry and other industries. It has a bright future and eternal vitality. of. But there is no doubt that in the 15 years of development of my country's concrete chemical synthetic water-reducing agent industry and the competition between manufacturers, the reaction capacity of more than capital and only equipment has expanded, and the productivity and efficiency of technology and light ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/16C04B24/08C04B103/30
Inventor 陆德乾
Owner JIANGDU RUNHUA CHEM