Compared with other gates, the main advantages of the swinggate gate swing gate are: fast speed and beautiful appearance. When choosing swing gates, you need to pay attention to the following aspects:
1. Aesthetics: The trend of the swing gate is a single column double pendulum, slender type. Beauty can only be judged by itself.
2. Security: The swing gate is generally based on infrared photoelectricity to detect the flow of people. When the detection is wrong, the swing gate will hit pedestrians and cause unnecessary disputes. The number of photocells should not be too small. Swing the door can not be too much force, otherwise it will hurt. In the closed position, the swing door cannot be manually opened, otherwise the basic requirements of the access control are lost.
3. Reliability: The reliability of the gate is based on the reliability and integration of the various components of the gate. The selection of good quality components is the basis, such as card readers, controllers, monitors, etc.; the integration method mainly depends on the design selection and communication method of the control unit. The presence or absence of lightning protection components also affects the reliability of the equipment.
4. Rotational life: The swing gate is driven by the motor and rotates continuously. The life of the motor and the life of the deceleration mechanism determine the mechanical life of the device.
5, Material: gate for people to use, a variety of external forces are frequent, mechanical strength is an important consideration; long-term operation of the gate, is a "portal", it should be beautiful, so the choice of 1.5-2.0mm stainless steel is necessary. Stainless steel is divided into various models, preferably 304 stainless steel. The door leaf material is preferably a flexible material.
6, the bar code reader above the glass material: above the bar code reader must be transparent, the use of organic glass is low cost, easy processing and installation, but after many brush votes, the glass will wear rough, affect the bar code reading speed and accuracy Therefore, wear-resistant quartz glass must be used;
7. Checking speed: The large flow rate of gates is used, and the passing speed of ticket checking is an important indicator. The speed of ticket checking depends on the control mode of the gate, communication network, ticket processing software, and the speed of mechanical action. In general, the gate response speed is within 500ms.
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The lack of paper making raw materials is a common problem, the use of seasonal growth plants or wild trees etc for the paper pulp is an effective solution.However, using this material pulping will produce a lot of black liquor containing inorganic compounds, how can get more fiber pulp, low investment to processing black liquor which can let it reach the water recycling or reach the discharge standard of environmental protection, it has been a worldwide problem all the time.
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