A kind of production method of closed cell multi-cavity hollow glass sphere
A technology of hollow glass spheres and production methods, applied in glass forming, glass manufacturing equipment, manufacturing tools, etc., can solve the problems of low recovery rate, waste of resources, high recovery cost, etc., and achieve the effect of easy control of the process
Active Publication Date: 2019-06-25
(CNBM) BENGBU DESIGN & RES INST FOR GLASS IND CO LTD +1
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Problems solved by technology
[0002] Industrial waste, domestic waste, and construction waste contain a large amount of cullet. Although cullet is a recyclable resource, its recycling is limited due to low recovery rate and high recycling cost. The discharge of cullet has caused great environmental pollution. pollution and waste of resources
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Embodiment Construction
[0018] Such as figure 1 As shown, the invention provides a kind of production method of closed-cell multi-cavity hollow glass sphere, comprising:
[0019] S1. Mix cullet with an inorganic foaming agent as a glass ball raw material, and the mass percentage of the inorganic foaming agent in the glass ball raw material is 0.5 to 1%;
[0020] S2, the glass ball raw material 1 is sent into the electric melting furnace 3 through the continuous feeding device 2, and the heating electrode 4 in the electric melting furnace 3 melts the glass ball raw material into glass liquid 5;
[0021] S3. A bubbling device 6 is installed in the electric melting furnace 3. Through the joint action of the bubbling device 6 and the inorganic foaming agent, a large number of fine and dense bubbles are formed in the molten glass; the bubbling device 6 can be more than two bubbling air tubes , the bubbling air tubes are evenly inserted in the electric melting furnace 3, and a group of air holes are provi...
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Abstract
The invention discloses a production method of closed-pore multi-cavity hollow glass microspheres. The production method comprises the following steps: S1, mixing cullet and an inorganic foaming agent to obtain a glass microsphere raw material, wherein the inorganic foaming agent is 0.5 to 1 percent by mass in the glass microsphere raw material; S2, feeding the glass microsphere raw material into an electric melting furnace through a continuous feeding device, and melting the glass microsphere raw material into molten glass through a heating electrode in the electric melting furnace; S3, arranging a bubbling device in the electric melting furnace, and forming bubbles in the molten glass under the coaction of the bubbling device and the inorganic foaming agent; S4, discharging the bubble-containing molten glass from a liquid flow hole in the bottom of the electric melting furnace; S5, when the sizes of glass gobs formed by the molten glass in the liquid flow hole meet a process demand, cutting off the glass gobs through a cutter arranged at the bottom of the electric melting furnace, so that the glass gobs fall into a cooling collecting groove below the electric melting furnace; S6, cooling and curing the glass gobs to obtain the closed-cellpore multi-cavity hollow glass microspheres. The closed-pore multi-cavity hollow glass microspheres can be taken as high-quality lightweight aggregate, and can be applied to the fields of lightweight concrete, refractory materials, sound insulation materials and the like.
Description
technical field [0001] The invention relates to the technical field of glass manufacturing and processing, in particular to a production method of closed-cell multi-cavity hollow glass spheres with a diameter of 5-20 mm. Background technique [0002] Industrial waste, domestic waste, and construction waste contain a large amount of cullet. Although cullet is a recyclable resource, its recycling is limited due to low recovery rate and high recycling cost. The discharge of cullet has caused great environmental pollution. Pollution also causes waste of resources. Contents of the invention [0003] The object of the present invention is to provide a production method of closed-cell multi-cavity hollow glass spheres, which can process broken glass into closed-cell multi-cavity hollow glass spheres with a diameter of 5-20 mm, which can be used as high-quality lightweight aggregate and is beneficial to the environment protection and recycling of resources. [0004] The technica...
Claims
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IPC IPC(8): C03B19/10C03B19/08C03C6/02
CPCC03B19/108
Inventor 陈淑勇王芸彭程陶天训
Owner (CNBM) BENGBU DESIGN & RES INST FOR GLASS IND CO LTD