cracking tar 中文意思是什麼
cracking tar
解釋
裂化焦油-
Influence of calcium oxide on tar cracking in freeboard of fluidized bed
氧化鈣在流化床稀相段對焦油裂解的影響 -
Extensive experiment on tar cracking was performed on bench - scale tar catalytic cracking test system in itpe. cold trapping was used for tar sampling and gravimetric analysis of tar samples was performed to achieve tar content in flue gas
在分析該領域研究現狀的基礎上，建立了實驗室規模生物質氣化焦油催化裂解實驗系統，採用冷態捕集方法進行焦油取樣，採用重度分析方法對焦油樣品進行分析以確定煤氣中焦油含量。 -
By virtue of the experiments carried out on the modified pilot - scale biomass gasification system, the temperature field in the gasifier is made explicit. and also some principles about how the temperature, feedstock and extraction mode exert influences on heat value and production rate of gas are attained. in addition, some tentative tests of tar cracking and thermodynamic characteristics of biomass gas burner have been performed, which are that indispensable to design and operation of biomass gasification demonstration project
接著，通過對生物質中熱值氣化中試試驗系統的多次改造和反復試驗，了解了氣化爐內溫度場分佈，得出了溫度、物料、抽氣方式等因素對生物質熱解氣的成分、熱值和產氣率影響的一些基本規律，並進行了初步的焦油催化裂解試驗和煤氣燃燒器的熱力特性、燃燒特性試驗，為面向工程應用的集中供氣示範項目提供了必要的設計和運行依據。 -
Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide
在固定床二級催化裂化反應器上，實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的熱裂化過程，並對裂化溫度（ 650 950 ） 、氣相停留時間（ 0 . 5 1s ）和催化劑類型等過程參數對焦油轉化效果和熱解煤氣的影響進行了分析，對各種催化劑材料的性能進行了比較，力爭開發出可適用於工業化生物質氣化系統的焦油催化裂化技術。 -
Catalytic cracking of tar is viewed as one prominent tar reduction technology that has become the hot spot of investigation
催化裂化作為一種極具潛力的煤氣凈化技術，目前已成為該領域研究的熱點。 -
The process mechanism of tar cracking was investigated in kinetics view, in which a five - lump kinetic model was erected. the whole tar was divided into five lumps of different kinetic behavior in cracking process, and the kinetic parameters used to construct the kinetic model of each lump was achieved by optimally fitting experiment data
在從動力學角度研究焦油催化裂化過程中，採用集總的思想將整體焦油劃分為具有不同動力學行為的五個集總，集總中的各組分的動力學行為都由集總來代表。 -
Much information was achieved by analysis of different kind of tar samples, including the production and evolution of tar in gasification process, the variation of tar composition under catalytic or thermal cracking conditions. and the mechanism of tar cracking was discussed in - depth with the variation of tar composition under different cracking conditions
對多種焦油進行分析，獲得了大量焦油構成信息，並以此對生物質氣化過程中焦油的產生和變化情況、催化裂化或熱裂化過程中焦油組分的變化情況、以及裂化過程參數對焦油組分和焦油量的影響進行了深入的機理性分析。 -
The results reveal that the five - lump model can work with only the compositional information of the raw tar as the input parameters, and it can be used to predict the results of different cracking conditions and the final composition of residual tar. the simulation of the cracking process was satisfying
結果表明，五集總模型的應用可獨立於焦油的來源和性質，對焦油轉化過程動力學行為描述的準確度明顯高於整體轉化模型，且該模型不僅對裂化過程進行動力學模擬和結果預測，還可給出轉化后焦油的構成等重要信息。 -
B ) the concept of ratio of conversion ; c ) effect of temperature and residence time on tar conversion ratio ; increasing the temperature and residence time is beneficial to tar cracking, and the effect is not evidence when t > 900c and > 1. 0s d ) effect of cracking temperature on the tar conversion ratio with sic ; e ) effect of different catalyst on the tar conversion ratio ; some catalyst was test in the experimental system and dolomite is a most promising one
研究了生物質焦油含量隨熱解溫度和生物質原料的變化趨勢，提出了生物質焦油裂解率的概念、探討了不同條件（熱解溫度、停留時間）下熱裂解的效果和不同催化劑，不同反應條件下對焦油催化裂解效果的影響，催化劑在使用過程中由於積碳、中毒等原因會使得活性喪失，本文針對催化劑活性的喪失以及再生進行丁試驗研究和理論分析。 -
First, a lot of data is obtained by the small - scale experimental scheme designed by us. and established the foundation for further application, after analysis of the them in detail, biomass utilization have many profile in the aspect of environment, economics and society. during the process of gasification or cracking tar is the byproduct inevitably, which has many disadvantages
首先，在小型的研究試驗臺上，進行了一系列精密的試驗，獲得了大量的數據，並對數據進行整理和詳細的分析通過試驗研究，對生物質制取的中熱值燃氣地性能指標，使之達到了可商業化水平；為今後使該技術應用於氣化發電奠定了良好基礎。 -
On the one hand, the performance criterion like gas production rate, tar content and operation mode has reached the commercialization level presently. on the other hand, studies on gas clarification and tar cracking technologies have been performed to optimize its technological and economic performance further. first of all, after a brief introduction to the concept of bioenergy and the common technologies adopted for its utilization, a review of current researches and developments of biomass gasification technologies is given
通過中試試驗研究，改進了該技術在產氣速率、焦油含量、運行模式等方面的性能指標，使之達到了可商業化水平；同時，結合集中供氣示範工程的設計，在完善焦油取樣測量技術的基礎上，開展了燃氣凈化和焦油催化裂解技術研究，進一步提高了該技術的技術經濟性能，為今後使該技術應用於氣化發電奠定了良好基礎。 -
Effect of residence time on tar catalytic cracking behavior with calcium oxide
停留時間對氧化鈣催化裂解焦油的影響 -
On the basis of the investigation of medium calorie biomass gasification and centralized gas supply technology, extensive study was performed on the catalytic cracking of biomass tar, both experimental and kinetic
在生物質中熱值氣化集中供氣技術的研究的基礎上，本文對生物質熱解焦油的催化裂化進行了深入的實驗研究和動力學研究。 -
Also, one overall tar - cracking model was erected for comparison with the five - lump model
文中又進行了焦油整體轉化模型的構建並將其結果與五集總模型進行對比。 -
Soot carbon is a filling agent for rubber that can improve its wear resistance. it is mainly produced by high temperature cracking that use coal tar as the feedstock
炭黑是橡膠里的一種填充劑，可以增加橡膠的耐磨性等，它主要是以煤焦油為原料在高溫下裂解而成的。 -
Operation parameters like cracking temperature ( 650 - 950 ), gas residence time ( 0. 5 - ls ) and catalyst type was investigated for their influence on tar cracking and gas quality
在實驗中獲得了白雲石、石灰石作用下高達90以上的焦油轉化效果。
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