Hearing protection refers to devices used
to protect the ear, either externally from elements such as cold,
intrusion by water and other environmental conditions, debris, or
specifically from noise. High levels of exposure to noise may result in
noise-induced hearing loss. Measures to protect the ear are referred to
as hearing protection, and devices for that purpose are called hearing
protection devices. In the context of work, adequate hearing protection
is that which reduces noise exposure to below 85DB over the course of an
average work shift of eight hours.Different types of hearing protection
may be utilized to maximize hearing protection. OSHA regulations
dictate whether hearing protection is required and if the company must
participate in a hearing conservation program. Hearing Protection,Hearing Protection Earmuff,Hearing Protective Ear Muff,Surround Type Earmuff Greateagle Safety Products Co., Ltd. , https://www.greateaglesafety.com
Fully automatic control: one-button start-up, after setting the spray process parameters, the temperature reaches the predetermined temperature, and the peristaltic pump starts up by itself. The color touch screen displays the air inlet temperature/air outlet temperature/peristaltic pump speed/air volume during the whole running process; Press the stop button and the machine will automatically shut down safely.
Manual control: If the process parameters need to be adjusted during the experiment, it is convenient to switch the manual state.
Powder-drying tower equipment shutdown protection function: just press the stop button when shutting down, the machine will stop running immediately except the fan, to ensure that the equipment will not burn out due to misoperation (forced off the fan). 5) The spray, drying and collection system is made of high quality stainless steel material (SUS304), which makes the spray drying process in a non-polluting and stable environment. The whole process of the powder drying tower equipment can be directly observed through the observation window. The personnel control the experimental process and the experimental results provide great convenience and can find problems in time.
High-speed centrifugal atomization is adopted to make the diameter of the powder sprayed normally distributed, the fluidity is very good, and the noise is very low, less than 60db, in line with the national laboratory noise standard; the host structure of the centrifugal spray is precision manufactured by high-quality stainless steel materials. The design is compact. In order to meet the requirements of the user to adjust various parameters in the experimental range, the real-time regulation PID constant temperature control technology is adopted in the drying temperature control, so that the temperature control in the full temperature zone is accurate, and the heating temperature control precision is ±1 °C.
In order to keep the sample pure, it is equipped with an air inlet first, middle and high efficiency three-stage filter.
The feed amount can be adjusted by the feed peristaltic pump, and the small sample size can reach 50ml.
Efficient cyclone separation and collection system, the dried powder after drying, the particle size is relatively uniform, more than 95% of the dry powder is in the same particle size range.
The powder drying tower wall purging device can perform data analysis on the recovery of the adsorption amount of the material tower wall. (optional)
The main configuration and characteristics of the fermentation liquid spray drying tower equipment are color touch screen operation, automatic control and manual control.