[0031] The present invention will be described with reference to the accompanying drawings and specific examples:
[0032] like figure 1As shown, a float glass surface coating device, the coating device includes a left-left sprayer 4, the upper right sprayer 8, the lower left sprayer 13, the upper right sprayer 17; the upper left sprayer 4 and the upper right sprayer 8 linear connection composition The upper sprayer is above the glass plate 6, and the upper surface spray gas protective layer, the lower left sprayer 13, and the right lower sprayer 17 are linearly connected to the glass sheet, and the gas is sprayed with the lower surface of the glass plate 6. The protective layer, upper and lower sprayers are installed in an annealing kiln steel shell 3. The upper sprayer is hoisted above the glass plate 6 by the screw rings 5 and the nut group 7, and the lower sprayer is supported below the glass plate 6, and the lifting support rod 14 quickly and accurately moves to the working position through the slide guide rail 16. . The left sprayer lifting stage 12 controls the rapid rise and fall of the lower left sprayer 13 so that the sprayer head tube 40 is satisfied with the surface distance of the glass plate 6, and the right sprayer lifting stage 18 controls the lifting of the lower right sprayer 17 so that the sprayer The downward surface distance of the head tube 40 and the glass plate 6 satisfies the process requirements. The left sprayer is supplied from the left gas control box 1, and the right sprayer is supplied from the right gas control box 10, the left sprayer is pasted with the outer surface of the intake pipe of the left gas control box 1 with the left sprayer air insulation layer 2 and The upper left sprayer intake pipe insulation layer 11, the right sprayer and the right gas control box 10 are attached to the outer surface of the intake pipe, and the upper right sprayer intake pipe insulation layer 9 and the right lower sprayer air supply layer 19, the glass plate 6 is close The annealing kiln roller 15 is above.
[0033] like figure 2 The gaseous control box shows that the gas control box is to supply a suitable flow rate, a protective gas suitable as a suitable temperature to the sprayer. The gas control box has a gas control box bracket 21, and 4 universal wheel 24 is mounted at the bottom of the gas control box bracket 21. The effect of the universal wheel 24 is to ensure that the gas control box moves, and the lower portion of the gas control box bracket 21 is mounted 4 The positioning bolt 23, the function of the positioning bolt 23 is to be determined by the gas control box position, and the positioning bolt 23 is tightened to ensure stable working gas control box. A gas mixer 29 is installed under the lower portion of the gas control box (see Image 6. The upper portion of the gas control box is mounted with a gas heater 20, and the active heater is to be heated to a suitable temperature in accordance with the process, and the heated gas is discharged from the gas control box outlet 22. The lower left of the gas control box is SO 2 Gas air intake 30, N 2 (Or air) gas intake port 31, 2 gas air intake ports with three-way connections, and the gas is used. The upper left side of the gas control box is a control panel. The float flowmeter 25, the temperature control instrument 26, the startup button 27, the emergency stop button 28, and the float flow meter 25 are the flow of the input and output gases. The function of temperature control instrument 26 is to control the heating temperature of the gas, the role of the start-stop button 27 is to control the power of the power supply, and the action of the emergency stop button 28 is a parking of an emergency.
[0034] like image 3 The disc mounting of the spray apparatus is fixed to the lifting stage 34 at both ends of the discharge device, and the lifting stage 34 has an annealing kiln column 32 support. The lower spray apparatus includes a sprayer direction positioner 33, a left sprayer main air tube 35, a right sprayer main air pipe 36, a sprayer connection tube 39, a sprayer head tube 40, a lifting support rod 14, and a slide guide 16. The gas discharged from the gas control box 1 enters the left sprayer main air pipe 35, and then flows through the sprayer connecting tube 39, and finally discharges from the bottom surface of the glass plate from the nozzle of the sprayer nozzle. Form a inorganic salt protective film. The action of the sprayer direction locator 33 is to ensure that the sprayer is perpendicular to the glass sheet, thereby ensuring that the gas discharged from the sprayer head tube 40 is perpendicular to the glass sheet. The left sprayer main air tube 35 and the right sprayer main air pipe 36 have sprayer blind spots 37, and the independent work of left and right sprayers is not interfered. The effect of lifting support rod 14 is to ensure that the lower spray device is parallel to the glass plate to prevent the base of the lifting support rod 14 in the sliding guide rail 16 in the sliding guide rail 16, and the role of the slide guide 16 is to ensure that the lifting support rod 14 is ensured. Move flexibility in the lower part of the annealing kiln, and it is difficult to affect the production.
[0035] like Figure 4 The mounting of the upper spray apparatus is mounted, and both ends of the upper spray apparatus are fixed to the lifting stage 34, and the lifting stage 34 has an annealing kiln column 32 and a lifting platform support beam 41. The upper spray apparatus includes a sprayer direction positioner 33, a left sprayer main air tube 35, a right sprayer main air tube 36, a sprayer connection tube 39, a sprayer head tube 40, a screw hanging ring 5, and a nut group 7. The gas discharged from the gas control box 1 enters the left sprayer main air pipe 35, and then flows through the sprayer connecting tube 39, and finally discharges from the nozzle of the sprayer head tube 40 to the surface of the glass plate. The inorganic salt protective film is formed; the action of the sprayer direction locator 33 is to ensure that the sprayer is perpendicular to the glass sheet, thereby ensuring that the gas ejected from the sprayer head tube 40 is perpendicular to the glass sheet. The left sprayer main air tube 35 and the right sprayer main air pipe 36 have sprayer blind spots 37, and the independent work of left and right sprayers is not interfered. The action of the screw hanging ring 5 and the nut group 7 is to ensure that the upper spraying device is parallel to the glass plate to prevent it from sagging due to the self weight of the spray device.
[0036] like Figure 5 The sprayer structure is shown, the sprayer has the left sprayer 49 and the right sprayer 50, and the left sprayer 49 and the right sprayer 50 are disconnected, and the independent work of the left and right sprayers is not interfered with each other. The left sprayer 49 includes a sprayer direction locator 33, a left sprayer main air tube 35, a sprayer connecting tube 39, and a sprayer nozzle tube 40. The gas discharged from the gas control box 1 enters the left sprayer main air tube 35, and then flows through the sprayer connecting tube 39, and finally discharges from the nozzle of the sprayer nozzle to form the surface of the glass plate. Protective film.
[0037] like Image 6 The material of the gas mixer is shown, the gas mixer includes a mixed gas outlet 42, a mixer lumen 43, a housing 44, N 2 (Or air) gas entrance 45, SO 2 Gas inlet 46, A-A is SO 2 The structure of the gas into the gas mixing chamber 43 is partially enlarged. The A-A portion is used in a circumferential direction, up and down, and left and right, forming a wind and shaped into the air, a grid-shaped air inlet more conducive to the mixing of the gas. SO 2 Gas by SO 2 Gas inlet 46 into the gas mixer lumen 43, N 2 (Or air) gas by n 2 (Or air) gas inlet 45 into the gas mixer lumen 43, the floral cap 44 is dispersed and SO 2 The gas is thoroughly mixed, and the mixed gas has a mixed gas outlet 42 discharge.
[0038] like Figure 7 The heater is thermally controlled by the heater, and the heater heat prevention is located inside the gas heater 20, and the heated gas is heated from the heater into the heater, and the gas is heated to a certain temperature, and the heater is discharged from the heater. This spiral heater heat prevention can optimize the pitch and nominal diameter of the spiral heater by the gas temperature and flow required by the spray process, to ensure that the heated gas has sufficient heating time in the heater, thereby ensuring gas. Heating temperature.
[0039] like Figure 8 The nozzle structure shown in the sprayer is shown in the sessage, and the nozzle 38 of the sprayer is located on the sprayer head tube 40, and the sprayer head tube 40 is closed, and the hole is diamonds a certain size hole on the sprayer head tube 40 cylindrical surface is nozzle 38. The mixed gas enters the sprayer from the main air intake pipe 35, and finally delivers the glass plate 6 from the nozzle 38. In the figure, B-B is an angle of the sprayer head tube 40 and the main air tube of the sprayer, α, can be selected from 0-90 according to the installation space and process requirements. The sprayer nozzle 38 has 3 groups from 1-1, 2-2, 3-3, and should be opened in accordance with the gradual increase in principle, 1-1 <2-2 <3-3; the effect of the nozzle 38 is It is ensured that the protective gas from the primary airway 35 into the sprayer is uniformly propelled to the glass plate 6 surface.
[0040] The method of use of the present invention: (1) Both up and down spraying devices are mounted inside the anneaving kiln, and the upper spray device is mounted on the upper portion of the glass sheet, and there is a rib hanging ring in the middle, and the lower spray apparatus is mounted under the lower portion of the glass sheet, there is a lifting support rod in the middle. Supporting, both ends of the upper and lower sprayers are installed with a sprayer lifting stage, and control the distance from the sprayer with the glass plate by adjusting the sprayer lift. The main air intake of the upper and lower sprayers communicate with the gas control box through the pipeline with insulation. (2) SO 2 Gas and N 2 (Or air) gases enter the gas control box through the inlet of the gas control box, control SO through the float flow meter and the shutoff valve 2 Gas and N 2 (Or air) gas pressure and flow, so that suitable pressure and flow SO 2 Gas and N 2 (Or air) gas flows into the gas mixer, so that it is thoroughly mixed, and then the mixed gas is accessed into the gas heater, and the gas heater controls the temperature value of the heating gas through the temperature control meter on the gas control box, and then satisfied The mixed gas required by the process is sent to the upper and lower spraying devices by a connecting tube with insulation layer. (3) The mixed gas enters the sprayer through the upper and lower sprayer main air tubes, and then flows through the sprayer connecting tube, and finally the nozzle on the sprayer head tube is ejected, and the protective film is formed to form a protective film on the surface of the glass sheet.
