2results about How to "Avoid retrieving" patented technology

The utility model discloses a carbon black muffle furnace with safety protection function, including muffle furnace body, the inside of muffle furnace body is provided with heating cavity, the lateral wall of heating cavity is provided with the chute, the inner wall sliding connection of chute has the movable block, one end fixed connection of movable block has the placing plate, and another end of movable block installs the mobile mechanism with placing plate cooperation. In the utility model, through setting the placing plate, chute and mobile mechanism, through the rotation handle, the movement of connecting block can be driven through screw rod, drives the unfolding or folding of scissor fork frame to move placing plate and movable block along the chute, can move out the inside of muffle furnace body outward, convenient to use, save time and effort, also can avoid the operator from inside and take the material, and the scalding accident occurs, and the operation is more safe, simultaneously, when along with the chute and move the crucible that is equipped with carbon black, can keep stable, guaranteeed the stability when the crucible moved out.

The utility model discloses a kind of determination devices of total transmittance of transparent material, more specifically in the total transmittance determination technical field of transparent material, including determination support frame, the upper end of determination support frame is provided with transparent material transmittance determination processing device, the transparent material transmittance determination processing device includes: determination component and positioning test component, the positioning test component is arranged in the inside of determination support frame upper and lower two ends. The utility model through, when monitoring work is carried out to transparent material body, can be determined by the transmittance detection receiver and transparent material total transmittance tester body of upper and lower two ends setting, the device is completed transmittance determination work by setting positioning test component and determination component cooperation, realizes determination stable while, solves the problem of determination blanking, avoids the problem of taking material under the condition of direct light source measurement of staff, effectively enhances the practicability and use safety of entire device.