WO2009140807A1 - 多功能高浓蒸煮漂白一体化制浆设备 - Google Patents

多功能高浓蒸煮漂白一体化制浆设备 Download PDF

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Publication number
WO2009140807A1
WO2009140807A1 PCT/CN2008/001775 CN2008001775W WO2009140807A1 WO 2009140807 A1 WO2009140807 A1 WO 2009140807A1 CN 2008001775 W CN2008001775 W CN 2008001775W WO 2009140807 A1 WO2009140807 A1 WO 2009140807A1
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WO
WIPO (PCT)
Prior art keywords
pulping
bleaching
digesting
heat source
pulping apparatus
Prior art date
Application number
PCT/CN2008/001775
Other languages
English (en)
French (fr)
Inventor
李刚荣
李军
Original Assignee
Li Gangrong
Li Jun
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Li Gangrong, Li Jun filed Critical Li Gangrong
Publication of WO2009140807A1 publication Critical patent/WO2009140807A1/zh

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00—Digesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor

Definitions

  • the invention relates to a pulping and said papermaking device, in particular to a multifunctional high-concentration cooking and bleaching integrated pulping device.
  • pulping mainly includes processes such as preparation, cooking, washing, screening and bleaching, wherein steaming usually uses a steaming ball or a continuous digester.
  • the traditional pulping method is complicated in process, requires a large number of equipments, has high operating costs, is difficult to handle waste liquids, and is highly polluted, especially for paddle-making companies.
  • the straw contains more silice, it makes the black liquor treatment of the straw more difficult.
  • the general equipment cost of the straw black liquor treatment system sometimes accounts for 20 ⁇ 30% of the total investment of the enterprise. It is difficult to operate, in order to reduce the environment. Pollution, the country has shut down thousands of small and medium pulp and paper mills, causing great social losses. Thousands of companies of a certain size are in desperate need of a low-cost, reliable pulping equipment.
  • the present invention provides a multifunctional high-concentration cooking and bleaching integrated pulping equipment, which solves the problem of pulping, especially grass pulping black liquor, discharges non-polluting substances, and reduces production costs. .
  • the multifunctional high-concentration cooking and bleaching integrated pulping device of the invention has a long circular cross-section structure, the ends are elliptical end caps, one end is axially provided with a feed port 4, and is provided with a pressure resistant valve, and the other end shaft
  • 4-8 pieces of the material 12 are evenly arranged in parallel on the inner wall of the device, and a 2-4 channel type support tube 13 is disposed equidistantly on the heat source tube and the medicine tube inside the device.
  • the temperature automatic control device 7, the pressure automatic control device 6 and the enthalpy value display device 10 are respectively arranged at two ends of the multifunctional high-concentration cooking and bleaching integrated pulping equipment, so as to realize real-time display during operation of the multifunctional cooking and bleaching integrated pulping equipment. And since The dynamic control reaction operates within the set range.
  • the multifunctional high-concentration cooking and bleaching integrated paddle device further comprises a rotating support ring (1) near the two ends, and the rotating support ring (1) is driven by the power supporting transmission device (11) to make the pulping equipment axially positive , rotates counterclockwise in both directions.
  • the power transmission 11 is powered by a motor through a speed reducer.
  • the multifunctional high-concentration cooking and bleaching integrated paddle device of the invention is suitable for annual grass plant raw materials and wood raw materials.
  • the multifunctional high-concentration cooking and bleaching integrated pulping device of the invention integrates heating, softening, cooking and bleaching, saves a large investment in equipment, does not wash or dehydrate in the middle, and has remarkable advantages of energy saving, water saving, etc. It fundamentally solves the problems of high pollution and high energy consumption in the pulp and paper industry.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a cross-sectional view at A-A.
  • Figure 3 is a cross-sectional view at B-B.
  • the pulping raw material after the dust removal and purification and pretreatment by the cutting material is sent into the multifunctional high-concentration cooking and bleaching integrated pulping equipment through the conveying device, and enters from the feeding port 4, and the pressure inlet valve is provided at the feeding port, and the feeding is provided.
  • the feed valve is closed, and the multifunctional high-concentration cooking bleaching integrated pulping device is started, and the device is then driven by the power support actuator 11 to rotate the rotating support ring 1; the heat source nozzle 8 is fed into the heat source to heat the raw materials, and simultaneously The drug nozzle 9 is fed into the prepreg, and the reaction is opened. Start.
  • the pre-dip time is slightly different.
  • the slurry After pre-soaking for a certain period of time, the slurry fully reacts with the chemical solution, chelate the metal ions in the slurry, and the slurry is fully swelled; the pre-dip time is 30 - 60min, temperature 50-100 °C, after the pre-dip is finished, the cooking agent is introduced through the drug nozzle 9, and oxygen is introduced at the same time, and the heat source is passed through the heat source port 8 to continue heating, and the cooking delignification reaction is carried out, and the reaction time is 45. - 90min, reaction temperature 60- 10CTC, oxygen pressure 0. 1-0.
  • 3Mpa Multi-functional high-concentration cooking bleaching integrated pulping equipment is rotated in two directions in the positive and counterclockwise directions during the whole reaction process to ensure the pulp Mix and react with the drug solution.
  • the slurry is not dehydrated or washed, and the bleaching is started directly.
  • the bleaching agent is introduced through the drug nozzle 9 while continuing to oxygen and maintain the oxygen pressure 0. 1 0. 3Mpa, continue to pass
  • the heat source is heated, the bleaching reaction time is 45-120 min, the temperature is 60-100 ° C, and the bleaching process can be visually observed through the window 3, and the whole process of bleaching of the slurry and the whiteness of the slurry are visually observed.
  • the temperature, pressure, and ra value changes during the entire cooking bleaching reaction are automatically displayed and controlled by the set range.
  • automatic control is set for different standard ranges without using raw materials, and the heat source is automatically turned on or off according to the situation.
  • the bleaching end point slurry is finally discharged from the discharge port 5 and sent to the dewatering system.
  • the COD of the bleached residual liquid is about 2000-3000 mg/L, and is recycled to the system through physical filtration and other water treatment equipment, and the liquid is recycled. It does not contain environmentally harmful substances such as dioxins, and achieves environmentally friendly green pulping.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Description

多功能高浓蒸煮漂白一体化制浆设备 技术领域
本发明涉及一种制浆说造纸设备， 特别是涉及一种多功能高浓蒸煮漂 白一体化制浆设备。
背景技术
目前， 制浆主要包括备料、 蒸煮、 洗涤、 筛选和漂白等工序， 其中 蒸煮通常采用蒸球或者连续蒸煮器。 传统制浆方法工序复杂， 所需设备 繁多， 运营成本高， 废液处理难度大， 污染严重， 特别是草桨制桨企业， 书
因草浆中含有较多的硅质， 使草浆的黑液处理更困难， 一般的草浆黑液 处理系统设备费有时要占企业投资总额的 20〜30%， 运行较困难 ώ 为了 减少环境污染， 国家关闭了数千家中小制浆造纸厂， 造成了很大的社会 损失。 数千家有一定规模的企业， 急需一种低成本、 可靠的制浆设备。
发明内容
为了克服现有的制浆设备的不足， 本发明提供一种多功能高浓蒸煮 漂白一体化制浆设备， 解决制浆特别是草类制浆黑液的问题， 无污染物 质排放， 降低生产成本。
本发明的多功能高浓蒸煮漂白一体化制浆设备为长条圆形截面结 构， 两端为椭圆形端盖， 一端轴向设有进料口 4， 并设有耐压阀门， 另一 端轴向设有两个管接头， 分别是热源管口 8、 药剂管口 9， 并在设备的外 沿部分设有排料口 5和耐压阀门， 中部设有安全阀 2。在设备的内壁上平 行轴向均匀设有 4-8根拨料片 12， 在设备内部的热源管和药剂管上一起 等距离设有 2-4道 Υ型支撑管 13。 在多功能高浓蒸煮漂白一体化制浆设 备两端分别设有温度自动控制装置 7、 压力自动控制装置 6和 ΡΗ值显示 装置 10， 以实现多功能蒸煮漂白一体化制浆设备运行时实时显示， 并自 动控制反应在设定的范围内运行。
多功能高浓蒸煮漂白一体化制桨设备还包括在靠近两端设有旋转支 撑环 (1)， 由动力支撑传动装置 (11)带动旋转支撑环（1)使制浆设备沿轴 向做正、 逆时针两个方向交替旋转。 动力传动装置 11由电动机通过减速 器传递动力。
本发明的多功能高浓蒸煮漂白一体化制桨设备适用于一年生各种草 类植物原料和木材类原料。
本发明的多功能高浓蒸煮漂白一体化制浆设备集加热、 软化、 蒸煮 和漂白于一体， 节省了大量的设备投资， 中间不洗涤、 不脱水， 具有显 著的节能、 节水等优点， 从根本上解决了制浆造纸行业的高污染、 高能 耗等问题。
附图说明
图 1是本发明的结构示意图。
图中 1. 旋转支撑环、 2. 安全阀、 3. 视窗口、 4. 进料口、 5. 排 料口、 6. 压力自动控制装置、 7. 温度自动控制装置、 8. 热源管口、 9. 药剂管口、 10. PH值显示装置
图 2是 A- A处的截面图。
图中 12. 拨料片、 13. 支撑管
图 3是 B- B处的截面图。
图中 1. 旋转支撑环、 11. 动力支撑传动器、 12. 拨料片
具体实施方式
下面结合实例对本发明作进一步的说明。
经切料除尘净化、 预处理后的制浆原料， 通过输送设备送入多功能 高浓蒸煮漂白一体化制浆设备中， 由进料口 4进入， 进料口处设有耐压 阀门， 送料结束后关闭进料阀门， 启动多功能高浓蒸煮漂白一体化制浆 设备， 设备随之由动力支撑传动器 11带动旋转支撑环 1旋转； 通过热源 管口 8送入热源， 加热原料， 同时由药剂管口 9送入预浸药剂， 反应开 始。 根据不同原料种类， 预浸时间略有不同， 通过一定时间预浸， 浆料 同药液充分反应， 螯合浆料中的金属离子， 并且浆料得到了充分的润胀； 预浸时间为 30- 60min， 温度 50- 100°C， 预浸结束后通过药剂管口 9通入 蒸煮药剂， 同时通入氧气， 通过热源管口 8通入热源继续加热， 进行蒸 煮脱木素反应，反应时间 45- 90min，反应温度 60- 10CTC，氧压 0. 1-0. 3Mpa; 在整个反应过程中多功能高浓蒸煮漂白一体化制浆设备分正、 逆时针两 个方向交替旋转运行， 以保证浆料同药液充分混合和反应。 在氧脱木素 蒸煮结束后， 浆料中间不脱水、 不洗涤， 直接开始漂白， 通过药剂管口 9 通入漂白药剂， 同时继续通氧并保持氧压 0. 1 0. 3Mpa， 继续通入热源加 热， 漂白反应时间 45- 120min， 温度 60- 100°C， 漂白时可通过视窗口 3， 目测观察浆料的漂白全过程及浆料白度变化。 在整个蒸煮漂白反应过程 中温度、压力、 ra值变化由设定的范围来自动显示和控制。设备运行时， 针对不用原料， 设定不同的标准范围迸行自动控制， 并且根据情况热源 自动开启或关闭。 漂白终点桨料最后由排料口 5排出， 送入脱水系统， 脱出的漂后残液 COD在 2000- 3000mg/L左右， 通过物理过滤等水处理设 备后， 循环回用于系统中， 并且液体中不含二噁英等对环境有害的物质， 达到真正意义上的环保绿色制浆。

Claims

权 利 要 求 书
1、 一种多功能高浓蒸煮漂白一体化制浆设备， 其特征在于： 所述的制 浆设备为长条圆形截面结构， 两端为椭圆形端盖， 一端轴向设有进料口 (4)，并设有耐压阀门，另一端轴向设有两个管接头，分别是热源管口（8) 、 药剂管口（9)， 并在设备的外沿部分设有排料口（5)和耐压阀门， 中部 设有安全阀（2)； 所述的制浆设备两端分别设有温度自动控制装置 (7)、 压力自动控制装置 (6)和 PH值显示装置 (10)。
2、根据权利要求 1戶 的制浆设备， 其特征在于： 所述的制浆设备的 内壁上平行轴向均匀设有 4-8根拨料片（12)， 在设备内部的热源管和药 剂管上一起等距离设有 2-4道 Y型支撑管 (13)。
3、根据权利要求 1或 2 ¾的制浆设备， 其特征在于： 所述的制浆设 备还包括在靠近两端设有旋转支撑环 (1)， 由动力支撑传动装置 (11)带动 旋转支撑环（1)使制浆设备沿轴向正、 逆时针两个方向交替旋转。
PCT/CN2008/001775 2008-05-20 2008-10-21 多功能高浓蒸煮漂白一体化制浆设备 WO2009140807A1 (zh)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102212978B (zh) * 2011-04-30 2012-08-29 李刚荣 高浓蒸煮漂白制浆一体机
CN106351048B (zh) * 2016-10-27 2018-01-19 中科双泰（北京）环保科技有限公司 一种秸秆纤维多功能一体机

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223094A (en) * 1977-08-29 1980-09-16 Vaseen V A Horizontal rotating drum fermentor
US5087326A (en) * 1991-02-20 1992-02-11 Union Camp Patent Holding, Inc. Rotating pulp bleaching reactor having inner and outer shells and lifting means on the interior surface of the inner shell
CN1043370C (zh) * 1994-08-17 1999-05-12 张世乐 纸浆蒸煮洗涤两用机
JP2004332158A (ja) * 2003-05-08 2004-11-25 Kawasaki Kasei Chem Ltd 蒸解装置
CN1621609A (zh) * 2003-11-24 2005-06-01 梅秀泉 一种氧脱木素和漂白一体化制浆方法和实现该方法的装置
CN101105011A (zh) * 2004-01-17 2008-01-16 梅秀泉 一种氧脱木素和漂白一体化制浆方法及实现该方法的装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223094A (en) * 1977-08-29 1980-09-16 Vaseen V A Horizontal rotating drum fermentor
US5087326A (en) * 1991-02-20 1992-02-11 Union Camp Patent Holding, Inc. Rotating pulp bleaching reactor having inner and outer shells and lifting means on the interior surface of the inner shell
CN1043370C (zh) * 1994-08-17 1999-05-12 张世乐 纸浆蒸煮洗涤两用机
JP2004332158A (ja) * 2003-05-08 2004-11-25 Kawasaki Kasei Chem Ltd 蒸解装置
CN1621609A (zh) * 2003-11-24 2005-06-01 梅秀泉 一种氧脱木素和漂白一体化制浆方法和实现该方法的装置
CN101105011A (zh) * 2004-01-17 2008-01-16 梅秀泉 一种氧脱木素和漂白一体化制浆方法及实现该方法的装置

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