第八章:多收了三五斗,与封死的出口
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第八章:多收了三五斗,与封死的出口(第1/2页)
一八六六年的秋天,辽北大地上的大豆熟得令人心惊。从彰武到法库,再到法库以北的荒原,放眼望去是一望无际的枯黄。豆荚在干燥的秋风里噼啪作响,每一声都像是金币落入钱袋的声音。
这本该是丰收的喜悦,可赵大龙站在牛庄的码头上,望着堆积如山的豆袋,却感到一股透骨的寒意。整个辽河水系像一条吞下了过量食物的巨蟒,沉重而缓慢地将这些大豆推向营口。由于大开荒后的产量翻倍,营口的洋行联手压价,豆价已跌破本钱。那些老牌旗庄庄主们,本指望这黑土的恩赐一夜暴富,如今却只能眼睁睁看着银子缩水。
更让赵大龙心寒的是,吉林方向传来的消息。当时正值同治年间,清廷为应对沙俄侵占外东北的危机,迫于边疆空虚、军饷短缺,开始逐步放开东北封禁政策。吉林将军府管辖的广大地区,本是清初严密封禁的“龙兴之地”,人口稀少,土地荒芜。1860年后,黑龙江将军特普钦上疏呼吁开禁放垦,朝廷渐次采纳。从咸丰十年起,吉林局部弛禁,鼓励移民实边。吉林境内大片“边荒”和“旗产”土地,开始向有实力的垦户开放。这些土地肥沃无比,一望无际的黑土层深达数尺,雨水充沛,杂草丛生,却只需简单开垦,便能长出硕大的豆荚。关内直隶、山东的穷苦农民闻风而动,纷纷北上,吉林的荒地如海绵吸水般迅速被填满。短短几年,吉林的豆产量已隐隐逼近辽河平原,未来更将成倍爆发。
“大龙哥,洋人说了,大豆只是大豆,它就是廉价的压舱石。但如果它是豆油和豆饼,它就是黄金。”杜三豹带回的消息点醒了众人。大龙连夜叫来二虎和三豹:“我们要榨油。不能再让洋行掐着脖子,我们要卖油,卖豆饼。”
三人走访了牛庄最老的几家榨油坊。那里的场景让董二虎眉头紧锁。老式油坊采用的是“楔子榨法”:巨大的木梁中间掏空,塞入蒸熟的豆包,然后几个壮汉合抱一根百斤重的撞木,嘿嘿呼呼地撞击楔子。这种活计极度原始,全靠蛮力,且压力不匀。一个油坊几十个汉子忙活一天,出的油不过几百斤。而且因为压力不持久,豆饼里还残留着大量的油脂。
“太慢了,太笨了。”二虎蹲在油坊门口,“这力气全浪费在‘磨洋工’上了。要是能用牛力代替撞木,再想法子让压力只进不退,那才叫生意。”
又是几个不眠之夜。沈清婉在旁边剪纸研墨,二虎则在图纸上疯狂计算受力。
在制作新机器的关键部件——那些硕大的硬木滑轮时,二虎亲自上手。他选了上好的核桃木,这种十九世纪常见的硬木滑轮原料,坚韧耐磨,不易变形。先用简单的自制夹具——几块铁板和螺栓——牢牢固定住粗糙的木坯,确保它在车床上稳如磐石。然后,他用钻头从中心打出一个精准的轴孔,孔壁光滑如镜。接着,启动水力带动的大飞轮,木坯高速旋转,二虎手持锋利的凿刀和刨刀,一点点削去多余的部分,先成圆形轮体,再在轮缘上刻出深浅均匀的V形凹槽,用于缠绕麻绳。
十九世纪的硬木滑轮制作,本是手工业的精髓:核桃木或枫木需自然风干数年,避免开裂;轮体往往由多块木板胶合而成,以防单块木料扭曲;凹槽须精确对称,否则绳索易滑脱;最后,还要浸泡在热亚麻油或猪油中,反复刷涂多次,让油渗入木纤维深处,形成一层保护膜,使滑轮更耐摩擦、更结实。否则,干木在重载下易裂,摩擦生热甚至起火。
另一边,沈清婉也没闲着。她坐在院子里,纤细的手指飞快穿梭。她先把粗麻绳拆开,在其中精心编入一缕缕浸过热猪油的细麻线。这猪油麻线如秘密的润滑剂,均匀分布在绳芯,一旦绳索在滑轮上高速摩擦,便会缓缓渗出油脂,减少磨损。别人家的麻绳干涩粗糙,摩擦力大,用不了多久就磨断,甚至在重载时因热量积聚而冒烟起火。可赵家的绳索,却因这独门手艺,韧性更强,寿命更长。外人看了,只觉绳子粗壮,却不知其中奥秘——这猪油浸润的麻线,是沈清婉从江南带来的细活,别人学不会,也想不到。
“妙啊!”杜三豹看着成品滑轮和麻绳,一拍大腿,“二虎,这滑轮油亮结实,转起来顺滑无比;清婉妹子这绳子,牛拉千斤也不怕断。别人家学不去,咱们这机器,谁也仿不了!”
(本章未完,请点击下一页继续阅读)第八章:多收了三五斗,与封死的出口(第2/2页)
“咱们造一个巨大的圆柱形压榨仓,用铁条箍紧。顶端装一个活动的压板。”二虎指着设计图,眼里闪烁着光芒,“牛在外面绕圈转动转盘,带动一个巨大的绞盘,绞盘上连着一组四动四定的复合滑轮组。按照咱们吊钟的算法,这四头牛的力气经过滑轮组,能放大成数万斤的巨力!”
最关键的是那个特制的铁质棘轮制动器。以前撞楔子,撞一下退一下。现在这个装置,
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