heat value 中文意思是什麼

And the paper analyzed the energy cost according to the value showed on ammeter, then linked to the former analyses presented the optimal running condition was 20 heat exchangers. then the paper presented some technical requires about cybernation of the system and compared water - water gshp air conditioning system with air source heat pump air conditioning system from economy

本文還從工程上對該系統進行了控制上的一些要求以及同風冷熱泵進行了經濟和效果兩個方面的分析比較，最後從工程應用的角度對施工中的一些技術要求進行了針對性的分析，希望能在實際工程中起到一定的作用。

It does not need much area, not any pollution, not consuming much electricity power, not need much cost. gshp combined floor radiation air - conditioning system possess high seasonal average cop value and great capacity of edaphic depositing heat energy, can ease up supplied water temperature fluctuating with the change of the outdoor air temperature

地源熱泵技術聯合地板輻射對房間進行冷暖聯供的形式，具有地源熱泵季節性平均性能系數高、土壤蓄熱能力強、能緩解空氣源熱泵存在的供冷供熱能力隨環境溫度波動大的矛盾等優點。

The qitaihe coal resources isadvantageous, the coal field total area 8, 000 square kilometers, haveverified the geological reserve 1. 7 billion tons, the prospectivereserves 4. 2 billion tons, the coal plant completely, has the cokingcoal, 1 / 3 coking coal, the gas coal, the anthracite and so on 10varieties, by coking coal primarily ; excellent in quality, has theespecially low phosphorus, especially low characteristic and so onsulfur, high heat value, high ash melting point, high silicon content, most is suitable for the coal chemical industry product thedevelopment, is national one of three big protections mining rare coalfields, is the heilongjiang province most important anthraciteproduction base, also is the national important coking coal and thenortheast area biggest high quality coke production base

七臺河煤炭資源得天獨厚，煤田總面積8000平方公里，已探明地質儲量17億噸，遠景儲量42億噸，煤種齊全，有主焦煤、 1 / 3焦煤、氣煤、無煙煤等10個品種，以主焦煤為主；品質優良，具有特低磷、特低硫、高發熱值、高灰熔點、高硅含量等特點，最適于煤化工產品的開發，是全國三大保護性開采稀有煤田之一，是黑龍江省最重要的無煙煤生產基地，也是國家重要的主焦煤和東北地區最大的優質焦炭生產基地。

Testing methods for heat value of biomass fuels

生物質燃料發熱量測試方法

Numerical simulation of high temperature combustion for low heat value gas

低熱值煤氣高溫空氣燃燒數值模擬

Study of mixing combustion techniques for coal and law heat value blast - furnace gas

低熱值高爐煤氣與煤粉混燒技術的探討

When it is co - fired with low heat value coal, heat utilization rate of boiler can raise 15 % compared with that of former boiler

與低熱值的煤混燒時，鍋爐的熱利用率與原鍋爐相比，可提高15 % 。

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。

The essay author consult the lots of national and international related information, and proceed the biomass pyrolysis experiment, predict the biomass heat value and establish the module, and establish the experiment formula through c, h of the independent variableesign, provide the evident and the convenience for calculating the rate of the energy converting and using of the biomass equipment

本文作者在查閱國內外大量相關資料的基礎上，進行了生物質熱解的實驗，並做了生物質發熱量預測及建模研究，建立了以h和c為自變量的生物質能量預測經驗公式，為生物質氣化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便。

The mechanism of fuel saving and emission reduction were discussed in this paper. based on surface chemistry, proper emulsifiers were selected to produce stable emulsified diesel oil, which contains different amount of water. the characters of emulsified fuel such as viscosity, heat value and factors in connect with stability were analyzed

本文以利用乳化油減少柴油機燃油耗和降低排氣污染為主要目標，先從理論上分析了乳化油節能和降低排放的機理，然後利用表面化學的知識篩選出適當的表面活性劑，復配出高效的復合型乳化劑並用其配製出不同摻水率的穩定的乳化柴油，對乳化油的物性（粘度、熱值等）及影響乳化油穩定性的因素進行了分析。

Three schemes for this technology were given, including air - blown gasification, recycle gas - blown gasification and steam & recycle gas - blown gasification, which were computed and analyzed. due to different conversion ratio of coal and different temperature that gas enters into gas turbine, the different results were got and analyzed, such as gas heat value, gasification efficiency and generation efficiency

本文針對空氣氣化方案、再循環煤氣氣化方案以及水蒸汽+再循環煤氣氣化方案對煤部分氣化聯合循環發電系統進行計算分析，根據不同的碳轉化率以及煤氣進入燃氣輪機前不同的溫度，得出不同的煤氣熱值、氣化效率、發電效率等，並進行了分析，提出了適合不同目標工業應用的煤部分氣化方案。

This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。

The paper analysises the reason why the hydrogen involved in all the combustable gas samples is extremely little according to the mechanism of gasification reaction, and draws another conclusion that the fixed - bed updraft gasifier can use the wet air as gasifying preparation for producing more hydrogen, what ’ more, the wet air as gasifying preparation can increase the quantity of carbon monoxide and hydrogen at the same time and the heat value of the combustable gas

本文從氣化反應機理對所有的可燃氣樣品中h _ 2含量都極低的原因進行了分析，得出:上吸式氣化爐要產生較多的h _ 2 ，可以採用濕空氣作氣化劑，而且，採用濕空氣作氣化劑可以同時增加co和h _ 2的含量，提高可燃氣的熱值。

The thermal efficiency analysis of low heat value fuel in the gas - steam combined cycle installation

蒸汽聯合循環的低熱值燃料熱經濟性分析

Aiming at the coal under the building, rail and water, difficultly - mined coal and the side of strip mine, hardly mined, but it is utilization for the ucg study on field test of air coal gas, water coal gas, rich oxygen coal on the side of strip the side of strip mine mine of fu xin, using the ucg for the mineral well, getting the method for building stove of ucg, obtain different coal gas group and heat value for the different gasification craft high volatile, multiple thin coal seams on the side of strip mine are suitable to underground coal gasification to produce middle low heat value gas

摘要針對「三下」煤層，難採煤層，復雜煤層以及露天邊坡剩餘的煤炭資源，並工開采不經濟或難以開采，可利用煤炭地下氣化將這些殘余資源得以回收利用，試驗利用礦井式煤炭地下氣化方式，對阜新礦露天邊坡進行了空氣煤氣、水煤氣、富氧煤氣的工業性試驗研究，通過煤炭地下氣化工業性試驗，得出在露天邊坡礦井式氣化建爐方式，不同氣化工藝的煤氣組分，熱值。

Calculating heat value, compressibility factor and relative density specific gravity of gaseous fuels

氣體燃料熱值及比重和相對密度的計算

The converter gas used as the future fuel comes from the native steel mill typically having a heat value of 6280 kj 1500 kcal m

500 kcal m3n的代表性熱值，並將通過旋轉鼓風機通入到窯中。

Adjustment strategy and performance analysis of gas turbine system when burning medium and low heat value fuel

燃燒中低熱值燃料時燃氣輪機系統的應對方案及其性能分析

Supermaltose, a kind of new sugar source for health, in low sweetness, low heat value, and no dental caries. it s bifidobacteria multiplication can improve body digesting system and immunity function

超高麥芽糖，是保健新糖源低甜度低熱值口感柔順，含有人體所必需的雙岐因子，有益健康。

Technical index : when co - firing various biomass granule fuels and low heat value coal, the granular fuel mixture proportion is not less than 80 % ( counting by heat - producing capability )

技術指標：可對不同種類的生物質顆粒燃料與低熱值的煤進行混燒，顆粒燃料的摻混比例不小於80 % （按發熱量計） 。