Solid-phase chemical reaction characteristic demonstration device with continuous voltage regulation
A technology of solid-phase chemical reaction and demonstration device, which is applied in the field of solid-phase chemical reaction characteristic demonstration device, can solve the problems of abstract content, boring and tasteless, inability to intuitively understand the control effect of temperature and pressure on solid-phase chemical reaction, etc., and achieves low cost. , Intuitive effect
Inactive Publication Date: 2015-10-28
宋玉峰
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[0002] At present, in the teaching of chemical experiment courses, when teaching the characteristics of solid-phase reactions and the reaction of external temperature and external pressure factors to solid-phase complexes and the reaction speed, there is no demonstration of equipment, and students cannot intuitively understand the effects of temperature and pressure on solid-phase complexes. The control function of phase chemical reaction, the content is abstract, boring, and poor intuition
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[0015] 1. According to figure 1 and figure 2 , the bottom plate (1) is made of 400×160×8mm aluminum alloy plate, and a φ5mm round hole is opened on the left and right edges respectively, for installing the fixed column (2) and the fork bracket (16), and on the bottom plate (1) A square hole of 80 * 120mm is opened on the left side, and a groove of a 2.5 * 2.5mm is respectively opened as the track (17) on the left and right sides of the square hole inboard.
[0016] 2. According to figure 1 , the fixed column (2) is made of φ12mm aluminum alloy bar with a length of 120mm. Drill a φ5mm round hole, and fix the fixing column (2) on the bottom plate (1) with self-tapping screws.
[0017] 3. The fork support (16) is an aluminum tube with an inner diameter of 4mm, an outer diameter of 8mm, and a length of 100mm. The lower part is fixed on the bottom plate (1) with self-tapping screws, and the fork is installed above the fork support (16). (11), support fork (11) is selected the ...
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The invention provides a solid-phase chemical reaction characteristic demonstration device with continuous voltage regulation. The device is a chemical experiment demonstration instrument which can demonstrate the control effect of a solid-phase chemical reaction by external temperature and pressure. The demonstration device is formed by a bottom plate, a fixed vertical column, a horizontal pressing bar, a horizontal connection bar, a rider, a weight, an electrical conduction pool component, a temperature control component, an arc scale and an angle pointer. The fixed vertical column, the horizontal pressing bar, the horizontal connection bar and a measure electrode cathode are connected through movable rotation shafts to form a parallelogram structure, by using the rider and the weight on the horizontal pressing bar, the external pressure of a solid-phase complex can be changed continuously, by using the angle pointer and the arc scale on the horizontal pressing bar, the volume change degree of the solid-phase complex in a chemical reaction is easily calculated, the cost is low, and the presentation is intuitive.
Description
technical field [0001] The invention relates to a chemical experiment demonstration instrument, in particular to a solid-phase chemical reaction characteristic demonstration device, which belongs to the technical field of chemical experiment demonstration instruments. Background technique [0002] At present, in the teaching of chemical experiment courses, when teaching the characteristics of solid-phase reactions and the reaction of external temperature and external pressure factors to solid-phase complexes and the reaction speed, there is no demonstration of equipment, and students cannot intuitively understand the effects of temperature and pressure on solid-phase complexes. The control function of phase chemical reaction, the content is abstract, boring, and poor intuition. Contents of the invention [0003] The purpose of the present invention is to provide a solid-phase chemical reaction characteristic demonstration device that can continuously adjust pressure, which...
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IPC IPC(8): G09B23/24
Inventor 冯越
Owner 宋玉峰