专利摘要:
1. A method of cooling coke, which involves passing coke under the force of gravity through a cold 1 chamber, supplying a cooling gas with countercurrent at least two streams along the height of the chamber, venting the gas from the upper part of the chamber, cooling it and supplying it to 6 tons l and tea u and so, with the aim of improving paJBHOMepHbcTH cooling, coke quality and degree; using heat, the gas is cooled at least to: two different temperatures and a stream with a higher temperature is fed into the chamber above the point of flow with a lower temperature. S
公开号:SU1025330A3
申请号:SU813259797
申请日:1981-03-11
公开日:1983-06-23
发明作者:Бекманн Георг
申请人:Ваагнер-Биро А.Г. (Фирма);
IPC主号:
专利说明:

About ND SP
WITH
s
about

FIG.
2. A coke cooling unit / including a refrigerating chamber installed in series with means for supplying cooling gas located one above the other along the chamber height, and a gas exhaust collector DL, a sedimentation bunker connected to it, a heat recovery unit with heat exchange elements, a blower pipe, connected to means for supplying a cooling gas, characterized in that, in order to increase: uniformity of cooling, quality of coke and degree of utilization of heat, each means for supplying cooling zhdayuschego gas connected truIzobretenie relates to the coking industry, namely to methods and apparatus for cooling the coke. There is a known method for dry quenching of coke, including the transmission of coke under the action of CHJHJt trough through the cooling chamber, the supply of cooling gas in countercurrent to at least two partial flows along the height of the chamber, removal of gas from the upper part of the chamber, its cooling and flow into the chamber. A coke cooling unit is also known, which includes a sequential cooling chamber equipped with means for supplying cooling gas to coke. The disadvantages of the known method and installation are uneven cooling, which leads to a decrease in its quality, low degree of heat utilization. The aim of the invention is to improve the uniformity of cooling, the quality of coke and the degree of heat used. The goal is achieved in that according to the method coke is cooled, which includes passing the coke under the force of gravity to the refrigerating chamber, supplying cooling gas in countercurrent at least two flows along the chamber height, withdrawing gas from the upper part of the chamber, cooling it and feeding it into the chamber , the gas is cooled at least to two different temperatures. A stream with a higher temperature is fed into the chamber above the point of flow of the gas with a lower temperature.
with the gas blower pipe to the boiler directly, the means for supplying gas with a higher temperature is connected to the recovery boiler after the first section of the heat exchange elements along the gas flow, and the downstream means for supplying gas with a lower temperature are connected to the recovery boiler respectively after the downstream gas heat exchange elements
3. Installation according to claim 2, distinguished by the fact that the heat exchange elements are arranged in parallel. In a coke cooling unit that includes a series-mounted refrigerating chamber with cooling gas supply means located one above the other along the height of the chamber, and a manifold for evacuating gas connected to it, a precipitation hopper, a waste heat boiler with heat exchange elements, a gas blower pipe, connected to the means for the supply of cooling gas, kaiode means for the supply of cooling gas is connected by pipeline with a gas blower to the boiler-Thiller directly, means for giving gas with a temperature Vyg sokoy connected to krtlu-utidieatoru after the first section along the gas heat exchanger elements, and nizherasprlozhennye means for supplying gas at a lower temyeraturoy connected to the recovery boiler s01otvetstvenno after the next downstream gas heat exchanger elements. In addition, the heat exchange elements are arranged in parallel. The proposed method and device allows increasing the degree of heat utilization in the recovery boiler, uniform cooling of coke at lower temperatures and controlling the heating of the cooling gas by appropriate gas flow, so that the temperature difference between the coke and the cooling gas is kept approximately constant. gas decreased. FIG. 1 shows a setup with parallel heat exchanging elements; on Fig.2 installation diagram with consistently
located heat exchange elements; n.a fig. 3 is a diagram of an installation with successive heat exchange elements interconnected through a gas blower.
The installation includes a refrigerating chamber 1 installed in series with means 2-4 for supplying cooling gas arranged one above the other along the height of chambers 1, collector 5 for evacuating the gas, a sedimentation bunker b, a waste-heat boiler with heat exchange elements 7-9-Chamber 1 contains nodes 10 and 11 for loading. and unloading coke, respectively.
The means 2-4 for supplying the cooling gas are connected by means of pipelines 12-14 with gas blowers 15-17 to the corresponding heat-warmer elements 7-9 of the heat recovery boiler.
Coke for cooling is supplied to Kag measure 1 by unit 10 for loading. Means 2-4 supply cooling gas. The gas passes countercurrent through a layer of coke and is led through the collector 5 through the dust precipitator bunker 6 to the waste-heat boiler. On the heat exchange surfaces of elements 7–9, the hot gas is cooled, the Teilo exchange surfaces of elements 7–9 are located in different layers and, due to their different heat demand, cool the cooling gas heated by coke to a correspondingly different temperature. Coolant-free working cooling gas is supplied through pipelines 12-14 to means 2-4 in the refrigerating chamber 1. To control the appropriate flow rate of the amount of cooling of its gas in pipelines 12-14, gas blowers 15417j are used that the flow parameters kotoi ix are set in such a way that chamber 1 Separate medium TV 3 and 4 are available. the cooling gas has the same temperature as the gas flowing past the silent feeders and supplies 1) to: 1 nd to the underlying tachels 2 and 3. One of the heat exchange noaepXtiOCTejCt "e.g. surface 18 can: also be used for independent from the waste heat boiler. In order to protect the heat exchange surface 7 in the superheater from the heat maxima of the glowing cooling gas, a heat collector can be integrated in front of the heating surface to be protected.
55% of the volume of cooling gas; introduced with temperature, the rest, 45% of the volume - with temperature in different zones of the chamber: for example, 55% near
yield and 45% in the area where the first 55% are already heated to 300 ° C, it is possible to cool the coke to 150 ° C, and the heat-burning clusters practically disappear completely. Thus, connected transport devices operate sparingly over wide limits. Returns back to 4% more heat and steam generation increases accordingly to 52 t / h. As an important side effect, a decrease in the temperature of the gas flow to is noted, and here comes the uniformity of flow and the formation of
cTjvfi. :. ,
In this way, heat exchanges in the steam generator are prevented, in particular. heating planes steam superheating tel. In this case, about 200,000 inert
cooling gas ..
The mechanical strength and quality of coke also increases, and in the pilot plant an increase in these indicators per discharge was obtained.
Due to this, the heat output of coke can be matched with the heat consumption of the waste-heat boiler, and also, in particular, to use part of the low temperature1; heat through the intermediate heat carrier for the purpose of consumption outside the waste heat boiler, therefore, in the proposed coke dry quenching plant part of how to introduce
technologically independent part of the process. The effect of the akla is that when using the proposed method, the formation of hot areas in the coke is reduced due to better distribution of the cooling gas.
权利要求:
Claims (3)
[1]
1. A method of cooling coke, including passing coke under the influence of gravity through the refrigerating chamber, supplying cooling gas 1 with countercurrent flow of at least two flows along the height of the chamber, removing gas from the upper part of the chamber, cooling it and supplying it to the chamber, I want to note that in order to increase the uniformity of cooling, the quality of coke and the degree of heat use, the gas is cooled to at least two different temperatures and the stream with a higher temperature is fed into the chamber above the point of supply of the stream with temperature.
lower
[2]
2. Installation for cooling coke, including a sequentially installed cooling chamber with means for supplying cooling gas located one above the other in height of the chamber, and a collector for venting gas, a dust collecting bin connected to it, a waste heat boiler with heat-exchange elements, a gas-blowing pipeline connected to means for supplying cooling gas, characterized in that, in order to increase the uniformity of cooling, coke quality and degree of heat utilization, each means for supplying cooling the gas supply pipe is connected directly to the boiler through a gas supply pipe, the gas supply means with a higher * temperature is connected to the recovery boiler after the first section of the heat exchange elements along the gas, and the lower temperature gas supply means are connected to the recovery boiler, respectively after the next gas exchange elements of heat exchange elements.
[3]
3. Install pop. 2, the fact is that the heat exchange elements are arranged in parallel.
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同族专利:
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MX155059A|1988-01-22|
BR8191524A|1981-09-15|
AT366817B|1982-05-10|
EP0036409B1|1983-05-25|
JPS5919274B2|1984-05-04|
US4354438A|1982-10-19|
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引用文献:
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RU2548088C2|2013-04-24|2015-04-10|федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Российский государственный университет нефти и газа имени И.М. Губкина"|Oil coke upgrading method and gas refrigerator for coke cooling|US1624661A|1921-11-07|1927-04-12|Westinghouse Electric & Mfg Co|Refuse-discharge mechanism|
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FR2102623A5|1970-08-12|1972-04-07|Francais Ciments|Screen cooler - for cement clinker with air totally recirculated|
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DE2856141C2|1978-12-27|1982-02-11|Didier Engineering Gmbh, 4300 Essen|Device for dry coke cooling|DE3202573A1|1982-01-27|1983-08-04|Krupp-Koppers Gmbh, 4300 Essen|ARRANGEMENT OF COOLING SHAFT, SEPARATOR AND CHARGING BOILER OF A COOKED DRY COOLING SYSTEM|
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EP0848646B1|1995-08-24|2003-01-02|F.L. Smidth & Co. A/S|Method and apparatus for treating a bed of particulate material|
CN104457320B|2014-11-26|2016-04-06|大峘集团有限公司|Three sections of vertical cooling devices of locellus inner sleeve|
CN112097509A|2019-06-02|2020-12-18|上海梅山钢铁股份有限公司|Device and method for improving heat exchange efficiency of vertical cooling furnace for sintered ore|
CN111854465A|2020-07-30|2020-10-30|安徽牧仕达饲料科技有限公司|Cooling device of feed particles|
法律状态:
优先权:
申请号 | 申请日 | 专利标题
AT0135180A|AT366817B|1980-03-12|1980-03-12|METHOD FOR COOLING HOT SHEET GOODS|
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