201107126 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種製造水泥纖維板的方法，特別是指 一種利用回收的廢棄LCD玻璃與紙漿污泥搭配水泥製造水 泥纖維板的方法。 【先前技術】 隨著TFT-LCD製造技術日趨成熟，TFT-LCD運用的範圍 逐漸擴張，目前針對TFT-LCD的玻璃作進一步回收處理， 因著廢棄LCD玻璃本身含有ΙΤ0’所以處置方式分為下列方 向： (1) 對廢棄LCD玻璃進行酸洗回收銦與錫等金屬，並將 清洗之玻璃作為次級玻璃材料； (2) 直接掩埋； (3)將廢棄LCD玻璃破碎做為陶瓷玻璃製品之原才 由於銦屬於貴重金屬，且無獨立礦源，故目前 理廢棄LCD玻璃頃向於以酸洗方式回收銦與錫等金屬柃處 由於廢棄LCD玻璃殘留的ΐτο厚度僅在幾微米之 ，但 尚須經過濃縮多道步驟，且酸洗廢液也將造成 θ埭 X %問顏 故目刖多為委泛清理廢棄LCD玻璃予以掩埋。 文獻記載曾使用廢棄石材做為水泥纖維板之石 料，並以紙漿污泥配合抄造技術做為再生水泥纖維ζ質原 於矽質原料高於廢棄食材的廢棄LCD玻璃，如何向 對 回收廢棄 201107126 LCD玻璃製成水泥纖維板之有價商品係為本發明創作之所 在。 【發明内容】 本發明係一種廢棄LCD玻璃與紙漿污泥製造水泥纖維 板的方法，其目的在於利用回收的廢棄LCD玻璃與紙漿污 泥搭配水泥製造水泥纖維板。 為達成上述目的，本發明廢棄LCD玻璃與紙漿污泥製 造水泥纖維板的方法，包含： * A.備料篩檢步驟：準備液晶顯示器經拆解取得廢棄 LCD玻璃予以破碎研磨、準備紙漿污泥予以烘乾破碎及準 備水泥；以及 B.拌合成型步驟：將水泥、紙漿污泥及廢棄LCD玻璃 以水拌合達均質化，均質化完成利用模具加壓成型水泥纖 維板。 前述收集的廢棄LCD玻璃進行二氧化矽、氧化鋁及氧 化鈣成份篩檢，其中，二氧化矽用量佔廢棄LCD玻璃的 50-80%，氧化鋁用量佔廢棄LCD玻璃的5-10%，氧化鈣用量 佔廢棄LCD玻璃的10-30%。 前述水與包含水泥、紙漿污泥及廢棄LCD玻璃總合之 重量比為0. 28-0. 5。 前述水泥用量佔水泥纖維板的20-40%，該紙漿污泥用 量佔水泥纖維板的20-40%，該廢棄LCD玻璃用量佔水泥纖 201107126 維板的20-40%，其中’該水泥用量佔水泥纖維板的30%、 該紙漿污泥用量佔水泥纖維板的30%及該廢棄LCD玻璃用 量佔水泥纖維板的加壓成型的水泥纖維板為最佳。 藉由前述進一步分析將可獲得下述功效： 1. 本發明以回收的廢棄LCD坡璃及紙漿污泥搭配水泥 製成水泥纖維板’提昇廢棄物回收再利用的價值，更降低 環境污染。 2. 本發明廢棄L C D玻璃成份含有矽提供該水泥纖維板 作為斷燃絕熱用，進而製造出低燃度的水泥纖維板提供隔 熱防火使用。 3. 本發明紙漿污泥含有木材纖維提供該水泥纖維板 作為韌性補強用’進而製造出高強度的水泥纖維板提供隔 間阻隔使用。 有關本發明為達成上述目的’所採用之技術、手段及 其他功效，茲列舉實施例並配合圖式詳細說明如後，相信 本發明之目的、特徵及其他優點’當可由之得一深入而具 體之瞭解。 【實施方式】 本發明實施例請參閱第1圖所示： 本發明廢棄LCD玻璃與紙漿污泥製造水泥纖維板的方 法包含： A.備料篩檢步驟（請參閱第1、2及3圖所示）：準備液 201107126 晶顯示器（Liquid Crystal Display, LCD)、紙襞污泥及水 泥，液晶顯示器經拆解取得廢棄LCD玻璃，將廢棄LCD玻璃 基板破碎且予以研磨，液晶顯示器可為薄膜電晶體-液晶 顯示器（Thin Film Transistor-Liquid Crystal Display，TFT-LCD);廢棄LCD玻璃係從製造LCD或回收LCD 的單位獲得，本發明採用廢棄LCD玻璃係因為成份含有斷 燃絕熱能力的矽（Si)與鈣（Ca)，收集的廢棄LCD玻璃進行 二氧化矽（Si〇2)、氧化鋁（Al2〇3)及氧化鈣（CaO)成份篩 檢，其中，二氧化矽（Si〇2)用量佔廢棄LCD玻璃的50-80%， 氧化鋁（Al2〇3)用量佔廢棄LCD玻璃的5-10%，氧化鈣（CaO) 用量佔廢棄LCD玻璃的10-30%，符合前述範圍的廢棄LCD 玻璃即可採用，將廢棄LCD玻璃破碎以球磨機進行0.5-5 小時研磨，且將研磨粒徑經篩網過篩控制在74-210/im， 進而取得粉末狀“廢棄LCD玻璃；收集紙漿污泥經烘乾機 進行80°C-105°C烘乾’且以破碎機對紙漿污泥進行破碎， 紙漿污泥係從製造紙的單位產出的廢水獲得；水泥採用波 特蘭水泥。 B.拌合成型步驟（請參閱第1及4圖所示）：將水泥、紙 漿污泥及廢棄LCD玻璃以水拌合達均質化，水與包含水 泥、紙漿污泥及廢棄LCD玻璃總合之重量比為〇. 28-0. 5， 均質化完成利用模具以20-80kg/cm2加壓成型水泥纖維 板，該水泥用量佔水泥纖維板的20-40%，該紙漿污泥用量 201107126 佔水泥纖維板的20-40%，該廢棄LCD玻璃用量佔水泥纖維 板的20-40%，其中，該水泥用量佔水泥纖維板的30%、該 、’、氏榮·污泥用量佔水泥纖維板的3 0%及該廢棄LCD玻璃用量 佔水泥纖維板的40%加壓成型的水泥纖維板為最佳。 C.養護步驟：準備一具有水泥、紙漿污泥及石夕砂的水 死纖維板作為對照組，該水泥用量佔水泥纖維板的 20-40% ’該紙漿污泥用量佔水泥纖維板的20-40%，該矽砂 用量佔水泥纖維板的20-40% ; 養護齡期以7天、14天、28天及56天等時間做為常溫 養5蒦齡期，常溫養護齡期的常溫溫度為20C-38C，藉以 探討採用廢棄LCD玻璃的水泥纖維板與採用矽砂的水泥纖 維板於不同齡期之各項特性差異。 1. 採用廢棄L C D玻璃的水泥纖維板與採用矽砂的水泥 纖維板於不同齡期的抗壓強度對照圖（請參閱第5圖所 示）；在養護齡期7天時’採用廢棄LCD玻璃的水泥纖維板 抗壓強度高於採用矽砂的水泥纖維板；在養護齡期56天 時，採用廢棄LCD玻璃之水泥纖維板的抗壓強度有持續增 長趨勢，由此顯示採用廢棄LCD玻璃具有取代矽砂的能力。201107126 VI. Description of the Invention: [Technical Field] The present invention relates to a method for manufacturing a cement fiber board, and more particularly to a method for manufacturing a cement fiber board by using recycled recycled LCD glass and pulp sludge in combination with cement. [Prior Art] With the maturity of TFT-LCD manufacturing technology, the range of TFT-LCD applications is gradually expanding. At present, the glass for TFT-LCD is further recycled. Since the discarded LCD glass itself contains ΙΤ0', the disposal methods are classified into the following. Orientation: (1) Acid-washing of discarded LCD glass to recover metals such as indium and tin, and cleaning the glass as secondary glass material; (2) Direct burying; (3) Breaking the discarded LCD glass into ceramic glass products Because the indium is a precious metal and there is no independent source of minerals, the current discarded LCD glass is going to be acid-washed to recover metal such as indium and tin. The thickness of the residual LCD glass is only a few microns, but still It is necessary to go through multiple steps of concentration, and the pickling waste liquid will also cause θ埭X% to be buried. The literature records that waste stone was used as the stone material of cement fiber board, and the pulp sludge combined with the papermaking technology was used as the recycled cement fiber. The original LCD glass with the raw material of the tannin was higher than the waste material. How to recycle the discarded 201107126 LCD glass The valuable commodity made of cement fiberboard is the creation of the invention. SUMMARY OF THE INVENTION The present invention is a method for manufacturing cement fiberboard by discarding LCD glass and pulp sludge, and the object thereof is to manufacture cement fiberboard by using recycled recycled LCD glass and pulp sludge in combination with cement. In order to achieve the above object, the method for manufacturing the cement fiber board by discarding the LCD glass and the pulp sludge comprises: * A. preparing the screening step: preparing the liquid crystal display to disassemble the waste LCD glass, crushing and grinding, preparing the pulp sludge for drying Dry crushing and preparation of cement; and B. Mixing and mixing step: homogenizing cement, pulp sludge and waste LCD glass by water mixing, homogenizing and completing the cement fiberboard by pressure molding. The waste LCD glass collected as described above is subjected to screening of cerium oxide, aluminum oxide and calcium oxide components, wherein the amount of cerium oxide accounts for 50-80% of the waste LCD glass, and the amount of alumina accounts for 5-10% of the discarded LCD glass, and the oxidation The amount of calcium is 10-30% of the waste LCD glass. 5。 The weight ratio of 0. 28-0. 5。 5. The weight ratio of the weight ratio of 0. 28-0. The amount of cement mentioned above accounts for 20-40% of the cement fiber board, and the pulp sludge amount accounts for 20-40% of the cement fiber board. The amount of the discarded LCD glass accounts for 20-40% of the cement fiber 201107126 dimension board, wherein 'the cement amount accounts for cement 30% of the fiberboard, 30% of the cement sludge, and the amount of the discarded LCD glass are the most suitable for the cemented fiberboard of the cement fiberboard. By the above analysis, the following effects can be obtained: 1. The invention uses the recycled waste LCD slope and pulp sludge together with cement to make cement fiberboards, which enhances the value of waste recycling and reuse, and further reduces environmental pollution. 2. The waste L C D glass component of the present invention contains hydrazine to provide the cement fiber slab as a fire-retardant heat insulation, thereby producing a low-flammability cement fiber board to provide heat insulation and fireproof use. 3. The pulp sludge of the present invention contains wood fiber to provide the cement fiberboard as a toughness reinforcement, thereby producing a high strength cement fiberboard to provide a barrier for use. The technology, means, and other advantages of the present invention are set forth in the accompanying drawings. Understand. [Embodiment] Please refer to Fig. 1 for an embodiment of the present invention: The method for manufacturing a cement fiberboard by using the discarded LCD glass and pulp sludge of the present invention comprises: A. Preparing the screening step (refer to Figures 1, 2 and 3) ): Preparation liquid 201107126 Liquid crystal display (LCD), paper sludge and cement, liquid crystal display disassembled to obtain waste LCD glass, crushed and polished the discarded LCD glass substrate, the liquid crystal display can be a thin film transistor - Thin Film Transistor-Liquid Crystal Display (TFT-LCD); waste LCD glass is obtained from a unit that manufactures LCD or recycles LCD. The present invention uses a waste LCD glass system because the composition contains the heat-insulating ability of bismuth (Si) and Calcium (Ca), collected waste LCD glass is screened for cerium oxide (Si〇2), alumina (Al2〇3) and calcium oxide (CaO) components, of which cerium oxide (Si〇2) is used as waste. 50-80% of LCD glass, alumina (Al2〇3) is 5-10% of waste LCD glass, and calcium oxide (CaO) is 10-30% of waste LCD glass. Can be used, The waste LCD glass is crushed by a ball mill for 0.5-5 hours, and the grinding particle size is sieved through a sieve to control at 74-210/im, thereby obtaining a powdery "disused LCD glass; collecting pulp sludge through a dryer for 80" Drying at °C-105 °C and crushing the pulp sludge with a crusher. The pulp sludge is obtained from the wastewater produced by the unit of paper; the cement is Portland cement. B. Mixing step (please Refer to Figures 1 and 4): The cement, pulp sludge and waste LCD glass are homogenized by water mixing. The weight ratio of water to the total of cement, pulp sludge and waste LCD glass is 〇. 28- 0. 5, homogenization completed using a mold to pressurize the cement fiber board at 20-80kg/cm2, the cement content accounts for 20-40% of the cement fiber board, and the pulp sludge dosage 201107126 accounts for 20-40% of the cement fiber board, the waste The amount of LCD glass accounts for 20-40% of the cement fiberboard, wherein the cement accounts for 30% of the cement fiberboard, and the ', the Rongrong sludge accounts for 30% of the cement fiberboard and the discarded LCD glass accounts for the cement fiberboard. 40% pressure molded cement fiberboard is the most C. Maintenance steps: Prepare a water-dead fiber board with cement, pulp sludge and Shixia sand as the control group, the cement content accounts for 20-40% of the cement fiber board. The pulp sludge dosage accounts for 20-40 of the cement fiber board. %, the amount of sand used accounts for 20-40% of the cement fiber board; the curing age is 7 days, 14 days, 28 days and 56 days, and the room temperature is 5 years old, and the normal temperature of the normal temperature curing period is 20C. -38C, to explore the differences in characteristics between cement fiberboards using waste LCD glass and cement fiberboards using strontium sand at different ages. 1. Comparison of compressive strength of cement fiberboard with discarded LCD glass and cement fiberboard with strontium sand at different ages (see Figure 5); Cement with discarded LCD glass at 7 days of curing age The compressive strength of fiberboard is higher than that of cement fiberboard using strontium sand; when the age of curing is 56 days, the compressive strength of cement fiberboard with waste LCD glass continues to increase, which indicates that the use of discarded LCD glass has the ability to replace strontium sand. .
2. 採用廢棄LCD玻璃的水泥纖維板與採用矽砂的水泥 纖維板於不同齡期的抗彎強度對照圖（請參閱第6圖所 示）；在養護齡期7天時，採用廢棄LCD玻璃之水泥纖維板 的表面積高於採用矽砂之水泥纖維板的表面積，廢棄LCD 201107126 玻璃的卜作嵐反應較發砂快，採用廢棄LCD玻璃之水泥纖 維板的抗彎強度高於採用矽砂之水泥纖維板的抗彎強 度；在養護齡期28天時，石夕砂開始卜作嵐反應，由此顯示 採用廢棄LCD玻璃具有取代矽砂的能力。 3. 採用廢棄L C D坡壤的水泥纖維板與採用矽砂的水泥 纖維板於不同齡期的水化程度對照圖（請參閱第7圖所 示），水化程度係以澆失法求得；在養護齡期7天’採用廢 棄LCD玻璃之水泥纖維板的水化程度高於採用矽砂之水泥 纖維板的水化程度；在養護齡期28-56天’棄TFT-LCD玻璃 的卜作嵐反應較矽砂快，採用廢棄LCD玻璃之水泥纖維板 的水化程度高於採用矽砂之水泥纖維板的水化程度，由此 證明廢棄LCD玻璃較矽砂更適合取代用於水泥的卜作嵐’ 不僅提高水泥纖維板之水化程度，且使水泥纖維板之微結 構更緻密。 4. 採用廢棄LCD玻璃的水泥纖維板與採用石夕砂的水泥 纖維板於不同齡期的熱傳導對照圖（請參閱第8圖所示）， 隨養護齡期增加，採用矽砂之水泥纖維板的導熱係數由養 護齡期為7天時的0.42 W/mK提高至養護齡期為56天時的 0. 47 W/mK，此即因隨養護齡期增加，水泥水化程度增加， 使得内部微結構產生CH、CSH等水化產物填補孔隙，令水 泥纖維板更緻密，採用廢棄LCD玻璃之水泥纖維板的内部 微結構較採用石夕砂之水泥纖維板的内部微結構更為緻 201107126 密’採用廢棄LCD玻璃之水泥纖維板的熱傳導係數更增加 為0.48 W/niK’ 甚至超過〇.48 W/mK達到 〇 52 w/mK。 【圖式簡單說明】 第1圖本發明之步騾流程圖。 第2圖本發明廢棄LCD玻璃之備料筛檢步驟示意圖。 第3圖本發明紙漿污泥之備料筛檢步驟示音圖。 第4圖本發明拌合成型步驟之示意圖。 照圖 第5圖本發明之不同水泥纖維板於不同齡期的抗壓強度對 照圖 照圖 。第6圖本發㈣响__抗弯強度對 第7圖本嫩 第8圖本發明之不同水 圖。 板料___導對照 【主要元件符號說明】 /**>2. Comparison of flexural strength of cement fiberboard with discarded LCD glass and cement fiberboard with strontium sand at different ages (see Figure 6); cement with discarded LCD glass at 7 days of curing age The surface area of the fiberboard is higher than that of the cement fiberboard using strontium sand. The reaction of the waste LCD 201107126 glass is faster than that of the sand. The cement fiberboard of the discarded LCD glass has higher flexural strength than the cement fiberboard with strontium sand; At 28 days of curing age, Shi Xisha began to react as a ruthenium, which showed that the use of discarded LCD glass has the ability to replace strontium sand. 3. Using the cement fiberboard of the waste LCD slope and the cement fiberboard using the strontium sand at different ages (see Figure 7), the degree of hydration is determined by the method of pouring; 7 days of age 'The degree of hydration of cement fiberboard using waste LCD glass is higher than that of cement fiberboard using strontium sand; during the curing age of 28-56 days, the reaction of discarding TFT-LCD glass is faster than that of sandblasting The degree of hydration of the cement fiberboard with waste LCD glass is higher than that of the cement fiberboard using strontium sand, which proves that the waste LCD glass is more suitable for replacing the cement for the cement than the sand. To the extent that the microstructure of the cement fiberboard is more dense. 4. Comparison of heat transfer between cement fiberboard with discarded LCD glass and cement fiberboard with Shixia sand at different ages (see Figure 8), thermal conductivity of cement fiberboard using strontium sand as the age of curing increases From 0.42 W/mK at 7 days of maintenance to 0. 47 W/mK at 56 days of curing, this is due to an increase in cement hydration with increasing age, resulting in internal microstructures. The hydration products such as CH and CSH fill the pores and make the cement fiberboard more compact. The internal microstructure of the cement fiberboard using waste LCD glass is more than the internal microstructure of the cement fiberboard using Shixi sand. 201107126 密'Use of discarded LCD glass The heat transfer coefficient of cement fiberboard is increased by 0.48 W/niK' or even more than 〇48 W/mK to 〇52 w/mK. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a flow chart of the present invention. Fig. 2 is a schematic view showing the preparation steps of the waste LCD glass of the present invention. Fig. 3 is a sound diagram of the screening step of the pulp sludge of the present invention. Fig. 4 is a schematic view showing the steps of mixing and synthesizing the present invention. Fig. 5 is a diagram showing the compressive strength of different cement fiber sheets of the present invention at different ages. Figure 6 The present hair (four) ringing __ bending strength versus Figure 7 This tender Figure 8 is a different water diagram of the present invention. Sheet ___ guide comparison [Main component symbol description] /**>