1. Small-scale high-low temperature tester has a safety protection system with automatic balance pressure and professional equipment to ensure the safety of the operator's work. The system runs a powerful security protection function and has a self-diagnostic function to ensure the normal operation of the machine and no accidents.
2. Intelligent environmental protection and energy saving (low noise) All the materials of the refrigeration system are environmentally-friendly products. The application of dual-fold refrigeration technology. The refrigeration system is stable and the working pressure difference is small. The dual-stage multi-line main/bypass system is adopted. The multi-path main/bypass can be adaptively selected and activated according to different working conditions. The entire control is automatically controlled by the intelligent control system according to the working conditions. The control changed the traditional method of controlling the heater to offset the cooling capacity with a thermostat to control the cooling capacity.
The frequency conversion technology is adopted to make the power loss of the refrigeration compressor reach the energy saving effect when the temperature is changed and the rate is required to be used (20% energy saving than the traditional method). Multi-channel, multi-stage throttling system (refrigeration system). The cooling system of this equipment designs different capillary main/bypass according to different working conditions of the system, realizes automatic control according to operating conditions through an intelligent control system, and automatically adjusts the throttling system to ensure that the flow volume is adjustable and uniform temperature changes are achieved. The purpose of small temperature fluctuations.
3. Small high-low temperature tester with control system imported color touch controller, when the temperature, humidity, time data settings are completed, can immediately turn into a set curve, can be connected to paperless recorder or paper recorder. Achieve remote visualization control. The device is equipped with human-machine management interface and touch-type automatic control system to realize automatic control; at the same time, it realizes connection with remote computer through RS485 communication interface, and realizes network management and remote monitoring.
4. Balanced Temperature and Humidity Control System (BTC)
Through the PID adaptive algorithm to achieve rapid control of temperature. Using the temperature reconciliation chamber, the static pressure chamber plus the forced air duct system of the centrifugal fan leaves, ensuring the full exchange of cold and hot and evenly passing through the adjustable tuyere to each space of the studio (experimental area), reaching the temperature Uniformity; The control method can be continuously modified according to the temperature in the control process, achieving rapid control, small temperature overshoot, and high stability.
Plate and gasket are the critical part of a removable Plate Heat Exchanger. The main function of the plate is to isolate the medium and perform heat exchange. Its main materials are stainless steel (304/304L, 316/316L, 254SMO), titanium, nickel, titanium-palladium alloy, Hastelloy, etc. The sealing gasket is installed in the gasket groove around the plates to seal the periphery between the plates to prevent the fluid from leaking out, and according to the design requirements, seal part of the corner holes so that the hot and cold media flow according to their own flow paths. The structure of the plate heat exchanger consists of a fixed frame, a movable frame and corrugated plates sandwiched between the two frames. Hot and cold liquids pass sequentially through the area between the corrugated plates separated by sealed elastomer paths. To prevent leaks, good gasket elastomers are installed around the perimeter of the plates and large fastening bolts are used to hold the plates together. The structure of the plate heat exchanger makes sealing a key part of this equipment, responsible for the service life of the entire equipment. Depending on the process medium, the gasket must be chemically and/or temperature resistant. Spetech supplies seals for most existing plate heat exchangers: power industry, petroleum processing, food and beverage industry, sugar industry, chemical, pulp and paper industry. The most commonly used materials are: NBR, HNBR, EPDM, FPM (different grades). There are two basic ideas for the installation of seals: glue seals and clip seals. Clip-on washers do not require any adhesives for installation. This modification makes it possible to mount the spacers by installing clips in the grooves in the plate. As a result, the gasket is highly resistant to pressure and can be replaced quickly and easily.
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