-
Features and working principle of high borosilicate glass reactor
Time of Update: 2022-05-03
The high borosilicate glass reactor is mainly controlled by adjusting the constant pressure funnel or the regulating valve on the feeding bottle to control the uniform dropwise addition of the material, and the heat exchange function of the condenser is used to distill and recover the reaction product, which is used for the synthesis, distillation and concentration of the pilot-scale materials.
-
What should I do if the purified water equipment leaks?
Time of Update: 2022-05-03
1. In this case, the diaphragm pump of purified water equipment should be removed for professional maintenance or replacement; special attention: after the maintenance is completed, a strict review should be carried out to check whether there is water leakage: ① Wipe the residual water with a dry cloth .
-
Reasons for uneven slices of medicinal material slicer
Time of Update: 2022-05-03
Reasons why the motor does not run after power-on: (1) The power supply is not in good contact or the plug is loose (2) The switch is in poor contact.
Reasons: (1) Too much material feeds the cutter head; (2) The switch is not in good contact.
-
The principle and maintenance of oral liquid labeling machine
Time of Update: 2022-05-03
2. The replacement time of the cooling lubricating oil of the oral liquid labeling machine depends on the operating environment and humidity .
-
When the automatic liquid filling machine fails, the power should be turned off in time
Time of Update: 2022-05-03
The automatic liquid filling machine is an automatic filling equipment that integrates the processes of bottle sorting, quantitative filling, bottle conveying, cap sorting, cap feeding, capping and bottle discharging .
-
Product description and operation of explosion-proof high and low temperature cycle device integrated machine
Time of Update: 2022-05-03
2. Installation pipeline: When installing, first connect the high temperature pipe from the explosion-proof high and low temperature circulation device integrated machine to the equipment, and then inject the heat transfer oil into the oil tank.
-
What are the common faults of automatic filling machines
Time of Update: 2022-05-03
Although the failure of the automatic filling machine is not a common thing, there will be some small failures in the machine, especially if the equipment has been used for a long time .
It is good that a small fault in the automatic filling machine can be solved in time.
-
What is the working principle of COD online monitor
Time of Update: 2022-05-03
COD online analyzer is one of the important instruments to automatically detect water quality .
Finally, the mixed liquid is discharged by the air pump and the pipeline is purged to enter the next measurement cycle .
-
How to maintain the purified water equipment when it is out of service?
Time of Update: 2022-05-03
2. Start the cleaning water pump and flush the reverse osmosis at a flow rate of 45-58m3/h .
6. When the pharmaceutical purified water equipment is put into use again, flush the system with low-pressure feed water for 0.
-
How many commonly used centrifugal separation methods do you know?
Time of Update: 2022-05-03
② Gradient centrifugation Density gradient centrifugation is to add the sample to the centrifuge tube to increase the gradient medium in advance for velocity sedimentation or sedimentation balance, and distribute the particles to certain specific positions in the gradient under the centrifugal force to form the separation of different zones method .
-
An article to understand the installation precautions of the double switch filter
Time of Update: 2022-05-03
Double switching filters are widely used in liquid and gas filtration in the fields of fine chemicals, medicine, food, electronics, machinery, petroleum, environmental protection, etc.
The following editor briefly introduces the installation precautions of the double switch filter, as follows: 1.
-
How often should the HEPA filter in the clean bench be replaced?
Time of Update: 2022-05-03
The replacement of the high-efficiency filter in the ultra-clean workbench generally depends on the situation.
You can refer to two points for replacement: First, if the high-efficiency filter installed in the ultra-clean workbench has its own pressure differential gauge, you can use it.
-
The difference between high speed centrifuge and low speed centrifuge
Time of Update: 2022-05-03
Different rotors have different maximum speed (one imported centrifuge can be equipped with multiple rotors), the horizontal rotor can reach 15000 rpm/min, but the angle rotor can reach about 14000 rpm/min, the specific difference should be consulted in detail Product sales personnel and relevant technical personnel of the production plant, so be careful in the choice of rotation speed, and the maximum rotation speed of the selected centrifuge should be higher than the target rotation speed .
-
The operation steps of the four-ring freeze-drying pharmaceutical freeze dryer
Time of Update: 2022-05-03
6: After setting the freeze-drying curve, press the manual button on the left side of the freeze-drying program, the freeze-drying machine will enter the automatic operation mode, and enter the sublimation drying stage after the pre-freezing stage .
-
Automatic automatic filling machine precision control and equipment maintenance Regular maintenance
Time of Update: 2022-05-03
The switching speed of the upper and lower valves is related to the viscosity of the product.
2. The spring pressure to adjust the valve should be determined by the test filling measurement and the operator's experience .
-
Instructions for receiving and unpacking the ethylene glycol heating and cooling machine
Time of Update: 2022-05-03
The basic working principle is to stir the reaction in a closed container with a constant temperature under normal pressure or negative pressure to control the reflux and evaporation of the solution .
The liquid circulation of the whole Wuxi Guanethylene glycol cold and heat integrated machine is closed, and the system has an expansion vessel.
-
What should be paid attention to when using low temperature coolant circulation pump?
Time of Update: 2022-05-03
1. Before using the low temperature coolant circulation pump, the liquid medium should be added to the tank (a 1:1 solution of pure water, ethanol, ethylene glycol and water is also acceptable) .
-
The control system types and functions of the four-ring freeze-drying freeze-drying machine are different
Time of Update: 2022-05-03
The experimental freeze-drying machine adopts air-cooled condensation refrigeration system, cold trap can be used for pre-freezing, high-quality stainless steel structure, transparent drying room, easy to observe the whole process of freeze-drying .
-
How much do you know about these points of medium selection for low temperature coolant circulating pump?
Time of Update: 2022-05-03
The selection of the medium of the low-temperature coolant circulating pump: (1) According to the required temperature, use different cooling media, which are non-corrosive and non-viscous .
-
What are the fault maintenance of automatic spray filling machine
Time of Update: 2022-05-03
If you listen carefully to the source of the sound and search for the air leakage point by hand, it is generally easy to find the solenoid valve of the blow-by gas .
If the point that controls the solenoid valve is damaged, change it to a spare point .
