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What is the temperature control method of the reactor?
The reaction kettle used for temperature control has a large capacity and a thick wall, so it is a controlled object with a large heat capacity and a long pure lag time. As the reaction progresses, the heat transfer coefficient of each heat transfer medium changes nonlinearly, and the The changes of various external environments are relatively sensitive; in addition, the gain of the reaction process will change greatly, and even the direction of gain change is different; and as the reaction p...
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Working state of temperature control circulating device for purification of small-scale distillation
Distillation reflux concentration and purification temperature-control circulating device is widely used in many fields. It is very important to select appropriate equipment, which can greatly improve product quality and reduce production costs to a certain extent. Only by understanding the internal structure and technical status of the temperature control circulating device for reflux concentration and purification of small-scale distillation, can the equipment always be in good working con...
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What are the system components of various distillation devices?
1. A complete set of short-path distillation equipment: including short-path evaporator, heating system, feeding system, cooling system, vacuum system, material collection unit, etc.; 2. A complete set of thin film distillation equipment: including thin film evaporator, heating system, material pretreatment unit, cooling unit, vacuum unit, material collection unit, etc.; 3. High-vacuum distillation device: including distillation kettle, packing device, condenser, receiving tank, heating syste...
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Routine maintenance of tcu multi-reactor temperature control equipment
TCU multi-reactor temperature control equipment is widely used in research departments such as petroleum, chemical, electronic instruments, physics, chemistry, bioengineering, physical property testing and chemical analysis, colleges and universities, enterprise quality inspection and production departments to provide users with a liquid environment with controlled cold and hot, uniform and constant temperature when working. 1. Tcu multi-reactor temperature control equipment is a heating equ...
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How to choose the chiller for cooling the mixing tank?
Mixing tanks are used in coatings, medicine, building materials, chemicals, pigments, resins, food, scientific research and other industries to stir, mix, blend, and homogenize materials. The mixing tank will generate heat during the mixing process, what cooling is used for the mixing tank? The chiller is a device that can maintain constant temperature, constant temperature and constant flow. Cooling the medium with a stirred tank can help. 1. When the mixing tank needs a temperature range ...
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New energy vehicle high and low temperature test system
With the popularity of new energy vehicles, high and low temperature tests have become a factor that car owners need to consider when purchasing new energy vehicles. Since the environment in which new energy vehicles are used is harsher, it is also very important to conduct high and low temperature tests on vehicles. At present, there are two common high and low temperature test methods for new energy vehicles on the market: one is to conduct high and low temperature tests through laboratory ...
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Recrystallization temperature and influencing factors?
Recrystallization is the process of recrystallizing crystals from a solution or melt after they are dissolved in a solvent or melted. Recrystallization can purify impure substances or separate mixed salts from each other. Among them it is the result of physicochemical action. Solid material can be purified by recrystallization. Recrystallization of some metals or alloys can refine the grains, or change the crystallization, thereby changing its properties. The general process of recrystalli...
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Small high and low temperature impact test chamber volume selection instructions
When the test product (components, components, components or complete machine) is placed in a small high and low temperature impact test chamber for testing, in order to ensure that the atmosphere around the test product can meet the environmental test conditions specified in the test specification, the small high and low temperature impact test There should be some points of attention between the working size of the box and the outer dimensions of the tested product. The volume of the tested...
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Rapid temperature change test chamber temperature control instructions
The selection of the humidity range of the rapid temperature change test chamber should be noted that the corresponding temperature range should be indicated after the humidity index or the dew point temperature should be given. Because relative humidity is directly related to temperature, for the same moisture content, the higher the temperature, the lower the relative humidity. To achieve high temperature and high humidity, it is only necessary to spray water vapor or atomized water droplet...
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Low temperature industrial freezer fan coil wiring instructions
The electric two-way valve red line of the low-temperature industrial freezer is 220V hot wire (L) directly connected to the thermostat fire line interface, the blue line is zero line (N), the coil, the two-way valve, the thermostat is connected in series, green, brown, Yellow, corresponding to the thermostat connected to the fan coil high, medium and low gear, the black line is the two-way valve fire line to the thermostat "open" interface, the control line is 6 color 1.0 square national sta...
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