Single Layer Glass Reactor

The single layer glass reactor mainly consists of a glass reactor,a heating device,a stirring device,a cooling device,and other parts.Among them,the glass reactor is the core component of the reactor,made of high borosilicate glass material,which has excellent heat resistance and chemical stability.Heating devices usually use electric heating methods to achieve precise control of reaction temperature by controlling heating power and heating time.The stirring device is used to promote mixing and mass transfer between reactants,improving reaction efficiency.The cooling device is used to lower the reaction temperature when needed to prevent overheating of the reaction.As an experimental equipment widely used in fields such as chemistry,biology,and pharmaceuticals,its simple structure,convenient operation,and high transparency make it play an important role in laboratory research and teaching.

For Ultra-low temperature reaction(-80°C to 0°C),liquid nitrogen is commonly used as a cooling agent in the glass lined reactor types.The use of liquid nitrogen provides cooling,cryogenic conditions,condensation,preservation,and safety functions,enabling better control,enhanced reaction selectivity,and sample preservation in various chemical and biological processes.

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(1)All glass parts are made of high borosilicate glass,with good chemical and physical properties,big bottle mouth design,hand-in cleaning;

(2)Compared to competing products on the market,PTFE mechanical component sealing can achieve the highest vacuum level;

(3)A frame made entirely of stainless steel that is robust,stable,and dependable when mixing;

(4)The PTFE discharge valve without dead corner;

(5)Computer controlled thermostatic oil bath,intelligent PID control,temperature control is accurate and convenient;

(6)Distillation,reflux can be simultaneously.

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The material used to make a single layer glass reactor is high borosilicate glass.The main components for high borosilicate glass include silica sand(SiO2),boric oxide(B2O3),soda ash(Na2CO3),and alumina(Al2O3).

Here is the method to make high borosilicate glass.

Firstly,the raw materials are carefully weighed and mixed in specific proportions according to the desired composition.By controlled stirring or bubbling of the glass melt to enhance its homogeneity and clarity.

Secondly,once the molten glass has been refined,it is ready for forming.There are various methods for forming high borosilicate glass,including blowing,pressing,or drawing.Blowing involves using compressed air to shape the molten glass into desired forms,while pressing uses molds or dies to press the glass into specific shapes.Drawing is a process where the molten glass is pulled into thin fibers.

The last step is to polish,cut,or further shape the glass to achieve the desired dimensions and surface finish.

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The heating and cooling circulator is responsible for maintaining and controlling the temperature inside the chemical glass reactor.It can provide both heating and cooling capabilities to create the desired reaction conditions.The vacuum pump is used to create a reduced pressure environment within the glass reactor.It removes air and other gases from the reactor setup,allowing for reactions to occur under vacuum conditions.

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 The function of distillation

 Substance separation: Distillation is an effective method for separating and purifying volatile substances. In a single glass reactor, the different volatile components in the reaction liquid can be separated by controlling the heating temperature and condensation conditions.

 Purified substances: Distillation can also be used to purify substances. Through multiple distillation, impurities and unreacted raw materials in the reaction liquid can be removed, and the purity and quality of the product can be improved.

 Solvent recovery: In chemical reactions, solvents are often used to dissolve reactants and facilitate the reaction. The distillation function allows the solvent to be recovered at the end of the reaction, thus saving resources and protecting the environment.

 Operation of distillation function

 Preparation stage:

 Check that the distillation system is in good condition, including the distillation pipe, condenser and connecting pipe and other components are smooth.

 The reaction liquid is added to the single glass reactor and is ensured that the reaction liquid does not exceed the height limit of the distillation tube.

 Heating stage:

 Turn on the heating device and adjust the heating temperature and heating power according to the experimental requirements.

 Observe the change of the reaction liquid to ensure that there is no violent boiling and splashing during heating.

 Distillation stage:

 When the reaction liquid begins to evaporate, the steam enters the distillation tube and rises to the condenser.

 In the condenser, the steam is cooled and condensed into a liquid, which is then dripped into the receiving vessel.

 End stage:

 When the distillation process is complete, turn off the heating unit and wait for the reactor and distillation system to cool to room temperature.

 Open the lid of the receiving container and remove the purified product or recovered solvent.

Experiment preparation

 Inspection equipment:Ensure that the single-layer glass reactor,distillation tube,condenser,receiving bottle and other components are intact,tightly connected,and no leakage.

 Installation equipment:Install devices from the bottom up and from left to right to ensure that all components are in the same plane and are stable and reliable.

 Preparation of reaction liquid:According to the experimental requirements,the appropriate amount of reaction liquid is added to the single-layer glass reactor.

Experimental steps

 Heating:

 Turn on the heating device(such as electric heating jacket or water bath)and adjust the heating power and temperature to the required value of the experiment.

 During the heating process,it is necessary to closely observe the change of the reaction liquid to avoid violent boiling and splashing caused by excessive heating.

 Distillation:

 When the reaction liquid begins to evaporate,the steam enters the distillation tube and rises to the condenser.

 In the condenser,the steam is cooled and condensed into a liquid,which is then dripped into the receiving vessel.

 During the distillation process,the heating temperature and condensation conditions can be adjusted according to the experimental requirements to achieve the best distillation effect.

 Collected products:

 When the distillation process is complete,turn off the heating unit and wait for the reactor and distillation system to cool to room temperature.

 Open the lid of the receiving container and remove the purified product or recovered solvent.

Precautions

 Heating temperature:Heating temperature is a key factor affecting the distillation effect.It is necessary to determine the appropriate heating temperature according to the nature of the substance and the experimental needs to avoid too high or too low heating temperature leading to the failure of the experiment.

 Condensing effect:The condensing effect of the condenser is critical to the distillation result.It is necessary to check the working state of the condenser regularly to ensure that it works normally.If the condensation effect is not good,the position and Angle of the condenser can be adjusted,or the flow rate and temperature of the cooling water can be increased.

 Safe operation:During the experiment,it is necessary to strictly follow the laboratory safety operating procedures,wear appropriate protective equipment(such as protective glasses,gloves,etc.),avoid the use of flammable and explosive solvents,and ensure the sealing of the reactor and distillation system.

 Experimental records:In the process of the experiment,it is necessary to record the experimental data in detail(such as heating temperature,distillation time,product quality,etc.)for subsequent data analysis and experimental results verification.

Post-experimental treatment

 Cleaning equipment:After the end of the experiment,it is necessary to clean the single-layer glass reactor,distillation tube,condenser and other components in time to avoid the impact of residues on the next experiment.

 Sorting data:Sorting and analyzing experimental data to draw experimental results and conclusions.

 Writing the experimental report:According to the experimental results and conclusions,write a detailed experimental report,including the experimental purpose,experimental steps,experimental results,data analysis,conclusions and suggestions.

The single layer glass reactor is a powerful tool in the fields of chemistry, pharmacy, and biotechnology. Its transparent construction, precise temperature control, and versatile functionality make it an ideal choice for a wide range of applications. By understanding its construction, working principle, applications, advantages, and maintenance requirements, researchers and engineers can maximize the utility of this valuable piece of equipment. Whether used in academic research, pharmaceutical development, or industrial production, the single layer glass reactor continues to play a pivotal role in advancing scientific knowledge and technological innovation.

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