1.Welcome to my Chimney Street——marry and crocodile
Welcome to my Chimney Street(四) 玛伊和鳄鱼
2.Abstract: The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency,therefore measures for technical reform are offered,including(1)enlarging the surface area of convection tubes to increase the thermal load of rhe convection section;(2)increasign the heat interchanging area of radiant tubes;(3)changing the height of the chimney;(4)using new burner with forced air supply to increase calorific capacityu;(5)adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace;(6)adopting high temperature radiant coating to improve the effect of radiant heat interchanging.
文摘:针对早期建造的炼油厂和化工厂在役管式加热炉热负荷和热效率低的状况,提出了若干技术改造措施包括,增大对流管表面积以增大对流段的热负荷;增加辐射管的换热面积;修正烟囱高度;换用新型燃烧器,变自然通风为强制供风,以增大燃烧器的发热量,减小过剩空气系数,节省燃料2%~3%;在对流段和烟囱之间增设空气预热器以提高空气入炉温度;采用高温辐射涂料增强辐射换热效果,从而增加热源对炉壁的辐射传热量和炉管的传热量等。
3.This utility model publicizes one kind of energy-saving heating stove belonging to heating stove technology,especially involving in a type of hot water energy-efficient heating stove,which mainly composed by the furnace body,the firebox ,and the trough for releasing ash.On the furnace body is equipped with the hot water exportation,the cooling water inlet,the chimney,and the mouth for releasing ash.In the furnace body is equipped with the heater pipe,the thermal baffle,the furnace grate and the air throttle.In front part of the furnace body is equipped with the firebox door and the air throttle for entering.In front part of the trough for releasing ash is equipped with door.This energy-saving heating stove overcomes the deficiencies of the existing technology to provide good burn ,smoke-free and dustlessness,and not to stop up the chimney and not to produce gas,which extremely suits to the households heating in rural areas.
本实用新型公开了一种节能采暖炉,属于采暖炉技术领域,尤其涉及一种热水型节能采暖炉,主要由炉体、燃烧室、泄灰槽构成,炉体上设有热水出口、冷水进口、烟筒、泄灰口,炉体内设有加热管、隔热板、炉箅子、内风门,炉体前部设有燃烧室门和进风门,泄灰槽前部设有泄灰槽门,本节能采暖炉克服了现有技术的不足提供了一种燃烧好、无烟无尘,不堵烟筒又没煤气的环保型节能采暖炉,非常适合于农村家庭采暖使用。
4.If the solar radiation is 1 000 W/m2,the energy conversion efficiency will reach 1%,when the chimney height reaches 300 m,and it will surpass 3 percent when the chimney height reaches 1 000 m.
在太阳辐射强度为1 000 W/m2条件下,当烟囱高度为300 m时,系统的最大能量转换效率达到1%,当烟囱高度为1 000 m时,系统的最大能量转换效率可超过3%。
5.The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency,therefore measures for technical reform are offered,including(1)enlarging the surface area of convection tubes to increase the thermal load of rhe convection section;(2)increasign the heat interchanging area of radiant tubes;(3)changing the height of the chimney;(4)using new burner with forced air supply to increase calorific capacityu;(5)adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace;(6)adopting high temperature radiant coating to improve the effect of radiant heat interchanging.
针对早期建造的炼油厂和化工厂在役管式加热炉热负荷和热效率低的状况,提出了若干技术改造措施包括,增大对流管表面积以增大对流段的热负荷;增加辐射管的换热面积;修正烟囱高度;换用新型燃烧器,变自然通风为强制供风,以增大燃烧器的发热量,减小过剩空气系数,节省燃料2%~3%;在对流段和烟囱之间增设空气预热器以提高空气入炉温度;采用高温辐射涂料增强辐射换热效果,从而增加热源对炉壁的辐射传热量和炉管的传热量等。
6.an oil lamp with a glass chimney and perforated metal lid to protect the flame from high winds; candlestick with a glass chimney.
一种有玻璃灯罩和金属穿孔板防止大风吹熄火焰的油灯;有玻璃灯罩的烛台。
7.Considering that a hollow circular chimney composed of the multi-layers of fire-resistant, heat insulation and reinforced concrete and that low temperature chimney has short term super-high temperature phenomena, one-dimension transient physical model and mathematical model were established by using Laplace transform method, with formula of transient temperature concluded.
摘要针对实际烟囱的筒壁为多层结构组成,并针对低温烟囱存在短时超高温的现象,运用拉普拉斯变换法,给出了烟囱筒壁的一维非稳态物理模型及数学模型,得到了考虑烟囱筒壁多层结构相互作用下的瞬态温度计算公式。
8.One went down the chimney and landed in a pair of shoes that had been left on the hearth.
有一枚金币从烟囱里进来,落在了放在壁炉上的一双鞋子里。