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公开(公告)号：US4636342A
公开(公告)日：1987-01-13
申请号：US578858
申请日：1984-02-10
CPC分类号： F27D13/00 , C22B1/2413
摘要： A method and an apparatus for continuously manufacturing non-fired pellets, which comprise: continuously supplying green pellets containing a carbonating binder into a vertical type reactor to continuously pass the green pellets sequentially through a predrying zone, a carbonating zone and a drying zone in the vertical type reactor; blowing a predrying gas having a relative humidity of up to 70% and a temperature of from 40.degree. to 250.degree. C. into the predrying zone to predry the green pellets therein until the water content of the green pellets in the predyring zone falls within the range of from 1 to 7 wt. %; blowing a carbonating gas comprising carbon dioxide gas of from 5 to 95 vol. % and saturated steam of from 5 to 95 vol. % and having a temperature of from 30.degree. to 98.degree. C. into the carbonating zone to carbonate the carbonating binder contained in the green pellets therein; and blowing a drying gas at a temperature of from 100.degree. to 300.degree. C. into the drying zone to harden the green pellets therein, thereby continuously manufacturing non-fired pellets.
摘要翻译： 一种用于连续生产非烧制颗粒的方法和装置，包括：将连续供应含有碳酸粘合剂的生球团料连续地供入垂直型反应器中，以连续地将生坯粒料依次通过预干燥区，碳酸化区和干燥区 立式反应堆; 将相对湿度高达70％，温度为40℃至250℃的预干燥气体吹入预干燥区，预干燥生坯颗粒，直到预制区内的生球团矿的含水量落入 范围为1至7wt。 ％; 吹入包含5至95体积％的二氧化碳气体的碳酸气体。 ％和饱和蒸汽为5至95体积％。 ％，温度为30℃〜98℃，进入碳酸化区，使生成颗粒中含有的碳酸化粘合剂碳酸化; 并将干燥气体在100℃〜300℃的温度下吹入干燥区，使其中的生球团硬化，从而连续地制造非烧成球团块。
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2.发明授权
公开(公告)号：US4070440A
公开(公告)日：1978-01-24
申请号：US720603
申请日：1976-09-07
IPC分类号： B01D53/86 , B01D53/94 , B01J23/745 , B01D53/34
CPC分类号： B01D53/8625 , B01D53/8628 , B01D53/9409 , B01J23/745
摘要： A method for reducing NO.sub.x gas contained in an exhaust gas to harmless N.sub.2 gas with NH.sub.3 gas using an iron oxide catalyst, characterized in that said iron oxide catalyst comprises a substance consisting essentially of hematite crystals (.alpha.-Fe.sub.2 O.sub.3), and the peak intensity of X-rays diffracted on the (110) plane of the lattice of said crystal has a ratio of 0.6 to about 1.0 to that of X-rays diffracted on the (104) plane of said crystal lattice.
摘要翻译： 一种使用氧化铁催化剂将NH 3气体中的废气中的NO x气体还原为无害的氮气的方法，其特征在于，所述氧化铁催化剂含有基本上由赤铁矿晶体（α-Fe 2 O 3）组成的物质， 在所述晶体的（110）平面上衍射的X射线与在所述晶格的（104）面上衍射的X射线的比例为0.6至约1.0。
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公开(公告)号：US5462686A
公开(公告)日：1995-10-31
申请号：US283207
申请日：1994-07-29
CPC分类号： C01G49/009 , C01P2004/61 , C01P2004/62 , C01P2006/42
摘要： Methods of manufacturing a composite ferrite of two or more of metal oxides prepared from a chloride solution containing ions of these metals, one of the metals being zinc. The methods comprise (a) ejecting a high temperature gas to the solution or atomizing the solution and (b) supplying the atomized gas to a combustion gas containing oxygen, to evaporate moisture from mist particles of the solution in a short period of time so that the zinc chloride in the solution is not substantially evaporated and to induce a heat decomposition or chemical reaction for the remaining metal salt particles, thereby forming a composite ferrite.
摘要翻译： 制造由含有这些金属的离子的氯化物溶液制备的两种或更多种金属氧化物的复合铁氧体的方法，其中一种金属是锌。 所述方法包括（a）将高温气体喷射到溶液中或使溶液雾化，以及（b）将雾化气体供应到含氧的燃烧气体，以在短时间内从溶液的雾粒蒸发水分，使得 溶液中的氯化锌基本上不被蒸发，并且对剩余的金属盐颗粒引起热分解或化学反应，从而形成复合铁氧体。
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公开(公告)号：US4025610A
公开(公告)日：1977-05-24
申请号：US532726
申请日：1974-12-13
摘要： A grain coke is packed in a vertical furnace between a pair of opposite electrodes for passing current through the coke, thus heating the same to a temperature of above 1400.degree. C, preferably 1500.degree. C for more than 10 minutes. Coke is loaded into the furnace from an upper portion and heat treated coke is cooled and then discharged from the bottom. Inert or reducing gas may be introduced into the lower portion of the furnace and discharged from the upper portion thereby cooling heat treated coke and preheating loaded coke.
摘要翻译： 将谷粒焦炭包装在一对相对电极之间的立式炉中，以使电流通过焦炭，从而将其加热至1400℃以上，优选1500℃的温度超过10分钟。 将焦炭从上部装入炉中，将热处理的焦炭冷却，然后从底部排出。 可以将惰性气体或还原气体引入炉的下部并从上部排出，从而冷却经热处理的焦炭和预热负载的焦炭。
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公开(公告)号：US4515351A
公开(公告)日：1985-05-07
申请号：US558758
申请日：1983-12-06
CPC分类号： C22B1/2413
摘要： A treating furnace for manufacturing non-fired iron-bearing pellets comprising a green iron-bearing pellet inlet at one end thereof and a non-fired iron-bearing pellet outlet at the other end. Green iron-bearing pellets are continuously fed into the treating furnace through said inlet and after being heated are discharged through said outlet. The treating furnace contains at least one heating gas blowing port for blowing heating gas into the furnace and at least one heating gas discharge port for discharging said gas after it has heated the pellets. The furnace also contains a preheating zone and at least one preheating gas blowing port and at least one preheating gas discharge port to pass preheating gas through said preheating zone. The heating gas discharged from the heating gas discharge port is used as the preheating gas. The gas discharged from the heating gas discharge port is admixed with the gas discharged from the preheating gas discharge port and then the thus mixed gas is utilized as the feed preheating gas to the preheating gas blowing (inlet) port.
摘要翻译： 一种用于制造非烧制含铁颗粒的处理炉，其包括在其一端处的绿色含铁颗粒入口和另一端的非烧制的含铁颗粒出口。 绿色的含铁颗粒通过所述入口连续地进入处理炉，并且在加热之后通过所述出口排出。 处理炉含有至少一个用于将加热气体吹入炉内的加热气体吹入口和至少一个加热气体排出口，用于在颗粒加热之后排出气体。 炉还包含预热区和至少一个预热气体吹送口和至少一个预热气体排出口，以使预热气体通过所述预热区。 从加热气体排出口排出的加热气体用作预热气体。 将从加热气体排出口排出的气体与从预热气体排出口排出的气体混合，然后利用这种混合气体作为预热气体吹入（入口）口的进料预热气体。
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公开(公告)号：US4432788A
公开(公告)日：1984-02-21
申请号：US366199
申请日：1982-04-07
CPC分类号： C22B1/2413
摘要： A method and an apparatus for manufacturing a non-fired iron-bearing pellet, which comprise:supplying a green iron-bearing pellet containing a hydraulic binder and water into a treating furnace provided with a green iron-bearing pellet inlet at an end thereof and a non-fired iron-bearing pellet outlet at the other end thereof and having at least one heating gas blowing port and at least one heating gas discharge port, blowing through said blowing port into said treating furnace a gas containing a saturated steam at a temperature substantially equal to the heating target temperature of the green pellets, replenishing the heat of said gas lost through heat exchange with said green pellet with the condensation heat produced from condensation of at least part of the steam contained in said gas through heat exchange with said green pellets, and holding said green pellets at said target temperature for a prescribed period of time to harden said green pellets, thereby continuously manufacturing a non-fired iron-bearing pellets. The green iron-bearing pellets introduced into the furnace are first pretreated by contact with the gas which had been used to heat the already preheated pellets.
摘要翻译： 一种制造非烧结铁质颗粒的方法和装置，包括：将含有水硬性粘合剂和水的绿色含铁颗粒供给到在其末端设有绿色含铁颗粒入口的处理炉中，以及 在其另一端具有至少一个加热气体吹送口和至少一个加热气体排出口的未烧制的含铁丸粒出口，并且在所述处理炉内吹入含有饱和蒸汽的气体 基本上等于生球团矿的加热目标温度，通过与所述生坯一起热交换而损失的所述气体的热量与由所述气体中包含的蒸汽的至少部分的冷凝产生的冷凝产生的热量通过与所述绿色颗粒进行热交换而补充 颗粒，并将所述生球团矿在所述目标温度下保持规定的时间以使所述生球团粒硬化，从而连续制造 使用非烧制的含铁颗粒。 引入炉中的绿色含铁颗粒首先通过与用于加热已经预热的颗粒的气体接触来预处理。
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公开(公告)号：US4917872A
公开(公告)日：1990-04-17
申请号：US276311
申请日：1988-11-25
CPC分类号： C22B34/1222 , C01G23/028 , Y02P10/23
摘要： A method for producing titanium fluoride comprises: a dissolution process, wherein iron-containing titanium material is dissolved in solutions containing hydrofluoric acid, fluoride solutions being produced; a first crystallization and separation process, wherein ferric fluoride is crystallized and ferric fluoride crystals thus obtained are separated from the fluoride solutions by cooling the fluoride solutions, crude titanium fluoride solutions being produced; a second crystallization and separation process, wherein a mixed salt of (NH.sub.4).sub.2 TiF.sub.6 and (NH).sub.3 FeF.sub.6 is crystallized and separated by mixing ammonium fluoride solutions with the crude titanium fluoride solutions to obtain a mixture and concentrating the mixture; a first pyrolysis process, wherein the ammonium fluoride salt is pyrolyzed at a temperature of from 300.degree. to 800.degree. C. in a stream of dry gas after having dried the ammonium fluoride, solid ferric fluoride (FeF.sub.3) and gaseous TF.sub.4, HF and NH.sub.3 being produced; a condensation and separation process, wherein the gaseous TiF.sub.4, HF and NH.sub.3 are condensed at a temperature of from 20.degree. to 280.degree. C. and followed by the TiF.sub.4 separation of solid.
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公开(公告)号：US4468253A
公开(公告)日：1984-08-28
申请号：US458751
申请日：1983-01-17
CPC分类号： C22B1/243 , C22B1/2413
摘要： A method and an apparatus for continuously manufacturing a non-sintered pellet, which comprises:continuously supplying a green pellet having a water content of from 6 to 20 wt. % into a shaft type reactor to continuously pass the green pellet sequentially through a pre-treating zone, a hydration reaction zone and a drying zone in the shaft type reactor; blowing a pre-treating gas with a relative humidity of up to 70% and at a temperature of from 65.degree. to 250.degree. C. into the pre-treating zone to pre-dry the green pellet in the pre-treating zone until the difference in the water content in the green pellet before and after the abovementioned pre-drying becomes at least 4 wt. % within the limits in which the green pellet in the pre-treating zone contains at least 2 wt. % water; blowing a gas for hydration reaction at a temperature of from 50.degree. to 100.degree. C. containing saturated steam into the hydration reaction zone to hydrate the green pellet in the zone; and, blowing a drying gas at a temperature of from 100.degree. to 300.degree. C. into the drying zone to dry the green pellet in the zone, thereby hardening the green pellet in the drying zone to continuously manufacture a non-sintered pellet.
摘要翻译： 一种用于连续制造非烧结颗粒的方法和装置，包括：连续供给含水量为6〜20重量％ ％进入轴型反应器，以连续地通过生坯从轴型反应器中的预处理区，水合反应区和干燥区; 将相对湿度高达70％，温度为65-250℃的预处理气体吹入预处理区域，以预干燥预处理区域中的生块，直到差 在上述预干燥之前和之后，生坯中的水含量至少为4重量％。 在预处理区内的生球团含有至少2wt。 ％ 水; 在含有饱和蒸汽的50〜100℃的温度下，将水合反应气体进入水合反应区，以使该区域中的生球粒水合; 并将干燥气体在100℃〜300℃下吹入干燥区，干燥该区域中的生丸，使干燥区中的生球粒硬化，连续制造非烧结球团。
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