CN101775295B - Combined type dry quenching device and technology thereof - Google Patents
Combined type dry quenching device and technology thereof Download PDFInfo
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- CN101775295B CN101775295B CN 201010109694 CN201010109694A CN101775295B CN 101775295 B CN101775295 B CN 101775295B CN 201010109694 CN201010109694 CN 201010109694 CN 201010109694 A CN201010109694 A CN 201010109694A CN 101775295 B CN101775295 B CN 101775295B
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Abstract
The invention relates to a combine type dry quenching device and a technology thereof. The device is formed by connecting two or more than two connecting coke quenching pots and corresponding connecting coke quenching pot seats by a connecting pipe, wherein the two or more than two connecting coke quenching pots are arranged in parallel; the connecting coke quenching pot bases are formed by a fixed connecting coke quenching pot seat base and a connecting coke quenching seat cover which can move up and down; the connecting pipe comprises a lower temperature medium main pipe, an air inlet pipe, an air outlet pipe, a groove seat connecting pipe, a N2 gas main pipe, a stable cleaning pipe and a high temperature medium main pipe; the technology thereof is as follows: the low temperature medium using nitrogen or reducibility gas as heat exchange is input into the high temperature coke with 950-1050 DEG C of two or more than two connecting coke quenching pots by the main pipe; the value of the connecting pipe is regulated for exchanging heat with the high temperature in the connecting coke quenching pots; the temperature of the high temperature coke is reduced to 200-500 DEG C, and simultaneously the low temperature medium is heated till reach 800-950 DEG C and output by the air outlet pipe. The device and the technology omit the complex mechanical equipment, eliminate the pollution of smoke escaping and carbon dioxide discharging on the environment in the coke quenching process and realize the purpose of energy conservation and emission reduction.
Description
Technical field
The present invention relates to a kind of dry coke quenching auxiliary and technique thereof, especially a kind of device and technique thereof of being used for dry coke quenching that comprises pipe connecting, valve, quenching fangs, connects coke quenching tank and tank car.
Technical background
Dry coke quenching is to point to the airtight dried gas thermophore that passes into circulation in the stove that puts out that high temperature coke (approximately 1050 ℃) is housed, progressively replace the heat of high temperature coke and it is cooled to approximately about 200 ℃, simultaneously the gas thermophore is heated to 800～950 ℃ process.The thirties in 20th century, dry coke quenching auxiliary and the techniques thereof such as multiple-chamber type, pot type, groove pattern and fire-tube type have been developed.
Nippon Steel Manufacturing Corp's international application in 2002 a kind of " dry quenching method and device " patent of invention, and open in 2005, publication number is CN1694943A.This device and method is that the prechamber by cooling room and its top consists of coke quenching tower, the high temperature coke of packing into from the top of prechamber, in prechamber, be blown into air or steam, in above-mentioned cooling room, absorb the sensible heat that high temperature coke has with rare gas element as medium, and reclaim the heat that rare gas element carries with waste heat boiler.In this dry quenching method, be blown into air or quantity of steam in the above-mentioned prechamber by adjustment, make the recovery vapor volume remain constant, make inflammable gas composition and oxygen composition in the recycle gas remain minimum, to prevent the heat breakage of Boiler Pipe, the reduction of heat recovery efficiency and the increase of recycle gas aeration resistance, can make the sensible heat yield form maximization simultaneously.The coke quenching auxiliary that this patent adopts is coke quenching tower, needs the lift frame input unit of supporting complexity.
Publication number is the patent of invention of CN1084545A a kind of " dry coke-quenching chamber ", this device comprises that several parts of vertical coke quencher, feeder, gas distributing device and delivery device form, and the mechanism of vertical coke quencher mainly is divided into the section of prestoring, cooling section, blast cap and several parts of the oblique flue of discharge cone section.Temperature approximately 1050 ℃ high temperature coke by the feeder section of prestoring of packing into, the cooling section that enters in service.Cooled coke is drawn off by delivery device through the discharge cone section.The gas of cooling usefulness enters cooling section cooling heat coke through the gas distributing device blast cap, then through tiltedly flue eliminating.Cooling gas can be CO
2, N
2Deng rare gas element.This patent adopts vertical coke quencher as coke quenching auxiliary, and its technological process is that high temperature coke is packed into from the coke quencher top, is drawn off by delivery device from the coke quencher bottom after cooling.
Publication number is CN87102637A, name is called the German patent of invention of " apparatus for dry quenching of coke ", this apparatus for dry quenching of coke has a shaft, the expansion furnace that band dress Jiao Kou is arranged on the shaft, it is the quench chamber below the expansion furnace, there are coke outlet and inert gas entrance in its underpart, shaft is provided with the rare gas element outlet that links to each other with expansion furnace, be provided with the shell as coke stockpile border in the expansion furnace, shell and expansion furnace wall form an annular chamber as the rare gas element passage in the rare gas element exit, again supply toward inert gas entrance after rare gas element cooling and the dedusting.Annular chamber is designed to afterburner, and gas duct and the air intake duct of drawing from expansion furnace on the coke stockpile pass into afterburner alternately; The annular chamber wall is provided with the formations such as cooling water pipeline.
Above-mentioned existing dry coke quenching equipment mainly adopts the large-scale quenching groove of separate unit, needs the complex apparatus such as supporting lift frame, and output investment ratio is larger; The more important thing is that coke produces flue dust and leaks in the process that connects burnt tank input quenching groove, discharge a large amount of carbonic acid gas and caused environmental pollution.The problem that exists for solving above-mentioned dry coke quenching auxiliary and technique, dry coke quenching auxiliary is in the urgent need to further improvement.
Summary of the invention
Based on above-mentioned existing dry coke quenching auxiliary and the existing problem of method thereof, the invention provides a kind of combined type dry quenching device and technique thereof.
Combined type dry quenching device of the present invention comprises pipe connecting, quenching fangs, connects coke quenching tank and tank car.It is characterized in that:
Be provided with and plurally at least connect at the bottom of coke quenching tank and its corresponding fixedly quenching fangs and coke quenching tank flap moving up and down;
Be provided with plural at least with connect the corresponding tank car of coke quenching tank;
Be provided with plural at least inlet pipe two ends respectively with connect accordingly coke quenching tank and the cryogenic media house steward is connected;
Be provided with plural at least escape pipe two ends respectively with connect accordingly coke quenching tank and the high-temperature medium house steward is connected;
Be provided with between plural at least escape pipe and its next inlet pipe and last escape pipe and first inlet pipe and be connected by the fangs pipe connecting;
Be provided with N
2The gas house steward by stable cleaning pipe with connect coke quenching tank and be connected.
The described coke quenching tank that connects of above-mentioned coke quenching device is set up in parallel, and the bottom in it connects coke quenching tank is provided with the netted base plate of turnover plate type, and the bottom is provided with bell and spigot at the bottom of the tank, and the top is provided with the tank deck bell and spigot, is provided with bearing on the tank body.
A kind of extinguishing technique for aforesaid combination formula dry coke quenching auxiliary of the present invention, this technique is that the plural at least coke quenching tank that connects is packed in the combined type dry quenching system, again successively with the nitrogen in the plural at least inlet pipe or reducing gas low-temperature heat exchange medium, send into plural at least the connecing in the coke quenching tank of 950～1050 ℃ of high temperature cokes of being equipped with, by regulating pipe connecting valve and the plural at least high temperature coke displacement heat that connects in the coke quenching tank, coke temperature is down to 200～250 ℃, simultaneously heat transferring medium is heated to 800～950 ℃ by the technological process of escape pipe output.Wherein, the described low-temperature heat exchange medium that passes into inlet pipe is nitrogen or reducing gas; Described reducing gas is H
2, CO and CH
4, three's volume content and greater than 75%.
The invention process technique scheme has adopted plural at least many to connect the alternative large-scale coke quenching auxiliary of separate unit of coke quenching tank, has saved the complicated input units such as lift frame; Adopt to connect coke quenching tank simple in structure, be to connect burnt equipment, be again coke quenching auxiliary, the continuous quenching that circulates is used, improved quenching efficient, eliminated simultaneously the flue dust of coke in the quenching process and leaked and discharge a large amount of carbonic acid gas, the problem of environmental pollution that causes; Connect coke quenching tank and connect accordingly the quenching fangs and support the use, good airproof performance has saved bobbing machine and the sealing equipment such as valve that discharge of the coke, and investment is reduced greatly; This device establishes that to connect on the ground coke quenching tank lower, and Ground Operation is convenient and safe, because several coke quenching tanks that connect are set up in parallel, the bulk-breaking that goes wrong maintenance is convenient, is difficult for forming all and stops.In addition, used to connect side by side coke quenching tank the amount doesn't matter, decides on the coking scale, alternately uses continuously, adapts to throughput elasticity large, by simple combination, can adapt to 60～1,000,000 tons of coke-oven plants, also can adapt to the coke-oven plant of 500～1000 tons.
The invention process technique scheme, in plural at least 950～1050 ℃ the high temperature coke that connects coke quenching tank of the nitrogen of low-temperature heat exchange medium or reducing gas input, by regulating pipe connecting valve and the high temperature coke displacement heat that connects in the coke quenching tank, coke temperature is down to 200～250 ℃, simultaneously heat transferring medium being heated to 800～950 ℃ is exported by escape pipe, its technological process is easy, and is workable.Compared with prior art, this dry coke quenching technique is carried out thermal exchange, has saved the energy, has realized the purpose of energy-saving and emission-reduction, has importantly solved the pollution problem of coking in the quenching process.
Description of drawings
Fig. 1 is combined type dry quenching process flow sheet of the present invention
Fig. 2 is that combined type dry quenching of the present invention connects the coke quenching tank structural representation
Among the figure: 1: at the bottom of the quenching fangs; 2: the coke quenching tank flap; 3: connect coke quenching tank; 4: the cryogenic media house steward; 5: inlet pipe; 6: escape pipe; 7: the fangs pipe connecting; 8:N
2The gas house steward; 9: stable cleaning pipe; 10: the high-temperature medium house steward; 11: turnover plate type net formula base plate; 12: bell and spigot at the bottom of the tank; 13: the tank deck bell and spigot; 14: tank body; 15: bearing;
A1, A2, A3, the intake valve between at the bottom of A4-cryogenic media house steward and each the quenching fangs;
B1, B2, B3, the air outlet valve between B4-high-temperature medium house steward and each the coke quenching tank flap;
C1, C2, C3, C4-are respectively escape pipe 1 and inlet pipe 2, escape pipe 2 and inlet pipe 3, escape pipe 3 and inlet pipe 4, the fangs connection valve between escape pipe 4 and the inlet pipe 1;
D1, D2, D3, D4-stablizes cleaning valve; T1-cryogenic media main valve; T2-high-temperature medium main valve.
Embodiment
The below describes technical scheme of the present invention for example in detail, enables those skilled in the art to realize being as the criterion, and this embodiment also can reach effect of the present invention simultaneously.
The quenching main structure body of combined type dry quenching device of the present invention mainly is to connect coke quenching tank and its corresponding quenching fangs by two or more, and pipe connecting connects and composes.
Wherein, the quenching fangs be by with connect coke quenching tank up and down the tank mouth accordingly fixedly at the bottom of the quenching fangs 1 and coke quenching tank flap 2 moving up and down consist of, so-called corresponding exactly fixedly at the bottom of the quenching fangs 1 with the corresponding sealing of tank bottom nozzle that connects coke quenching tank; Coke quenching tank flap 2 moving up and down and the corresponding sealing of tank deck port that connects coke quenching tank, the low-temperature heat exchange medium of avoiding inputting in the quenching process is revealed, because it can move up and down, defocusedly place on the quenching fangs and remove under the quenching fangs after the quenching and provide convenience connecing for connecing coke quenching tank 3 in addition.Respectively connect coke quenching tank 3 and adopt and be set up in parallel, be provided with like this and be beneficial to integrated, seriation and mass-producing.
The various pipe connectings of serial band valve are cryogenic media house steward 4, inlet pipe 5, escape pipe 6, fangs pipe connecting 7, N
2 Gas house steward 8, stable cleaning pipe 9 and high-temperature medium house steward 10, these pipe connectings with connect coke quenching tank and be interconnected and consisted of combined type dry quenching device.Wherein, inlet pipe 5 two ends respectively with connect accordingly coke quenching tank 3 and cryogenic media house steward 4 is connected; Escape pipe 6 two ends respectively with connect accordingly coke quenching tank 3 and high-temperature medium house steward 10 is connected, be connected by fangs pipe connecting 7 between escape pipe 6 and its next inlet pipe 5 and last escape pipe 6 and first inlet pipe 5; N
2 Gas house steward 8 by stable cleaning pipe 9 with connect coke quenching tank 3 and be connected.Be that cryogenic media house steward 4 is connected with each inlet pipe 5, each inlet pipe 5 its corresponding coke quenching tank 3 that connect is connected, connecing its corresponding escape pipe 6 of coke quenching tank 3 the other ends is connected, each escape pipe 6 another port is connected logical with a high-temperature medium house steward 10, in addition, be connected by fangs pipe connecting 7 between adjacent inlet pipe 5 and the escape pipe 6, and all be provided with the size that valve is used for the control gas flow on each pipe connecting.
The described coke quenching tank 3 that connects is to connect burnt equipment with transporting coke, again the equipment of quenching, be provided with the netted base plate 11 of turnover plate type in the bottom that connects coke quenching tank 3, in connecing burnt and quenching operating process, be in closure state and be used for supporting high temperature coke, be used for discharging coke after the high temperature coke quenching and when the discharging of the coke operation, be in opened condition, the structure of the netted base plate 11 of this turnover plate type can be hinge-type, also can be according to other prior art setting, as long as can realize loading and unloading coke, reach low-temperature heat exchange medium and coke and in closed system, carry out heat exchange and get final product.Bell and spigot 12 at the bottom of the bottom that connects coke quenching tank 3 is provided with tank, and the top is provided with tank deck bell and spigot 13, and connect coke quenching tank 3 supporting settings, and clearance seal is good, prevent from the low-temperature heat exchange dielectric leakage that passes into from addition, can also supporting, fixedly connecing coke quenching tank 3.Be provided with bearing 15 at tank body 14, tank body 14 is the main bodys that connect coke quenching tank 3, connecting up and down bell and spigot 12 at the bottom of tank deck bell and spigot 13 and the tank, bearing 15 is in order to make things convenient for ground fixed support support to connect coke quenching tank 3 and to arrange, thereby fix whole combined type dry quenching device, achieve the technological process of dry coke quenching.
Described tank car is and connects coke quenching tank 3 corresponding ordinary wheel cars, is exclusively used in to transport to connect coke quenching tank 3, is to connect car body panel by wheel shaft to consist of.
The extinguishing technique of a kind of combined type dry quenching device of the invention process is to utilize nitrogen or reducing gas to be heat transferring medium, and described reducing gas is H
2, CO and CH
4, three's volume content and greater than 75%, this gas can reduce the sulphur content in the coke, thereby can improve coke quality, such as coke-oven gas.Its technological process is that the plural at least coke quenching tank 3 that connects is packed into from 950～1050 ℃ of high temperature cokes of coking chamber release, mobile coke quenching tank flap 2 moving up and down, and with support it is placed at the bottom of the plural at least quenching fangs on 1, cover coke quenching tank flap 2, again nitrogen or reducing gas low-temperature heat exchange medium are sent into plural at least the connecing in the coke quenching tank 3 of 950～1050 ℃ of high temperature cokes of being equipped with, by regulating pipe connecting valve and the high temperature coke heat-shift that connects in the coke quenching tank 3, make coke temperature be reduced to 200～250 ℃, heat transferring medium is heated to 800～950 ℃ technological process simultaneously.The present invention is passed into nitrogen or reducing gas low-temperature heat exchange medium by cryogenic media house steward 4, enter through inlet pipe 5 and to connect in the coke quenching tank 3, after the high temperature coke heat exchange, flowing into the next one through fangs pipe connecting 7 connects in the coke quenching tank 3, the like, gas after the heat exchange flows into last and connects in the coke quenching tank 3, the escape pipe 6 that links to each other through connecing therewith coke quenching tank 3, flow out from high-temperature medium house steward 10, when coke was cooled to 200～250 ℃, the coke quenching tank 3 that connects that this coke will be housed was again removed, change the new coke quenching tank 3 that connects, heat-carrying gas is flowed through at last, and this connects coke quenching tank 3, and so quenching is cooled off in circulation.The present invention adopts a plurality of coke quenching tanks that connect to replace single quenching groove, by the valve of regulating on each pipe connecting the coke that respectively connects in the coke quenching tank is carried out circulating cooling, finally realizes the dry quenching method of energy-saving and emission-reduction.
The below introduces and will connect the concrete technology step that high temperature coke cooling in 3 is filled with in quenching: before quenching work starts, with all valve closess, during startup successively (by certain time interval) connect coke quenching tank 3 in the placement of quenching fangs.With other method of mechanical manipulator or machinery 1# is connect coke quenching tank and place fixedly at the bottom of the quenching fangs 1 and coke quenching tank flap 2 moving up and down, behind good each pipe connecting of installation and connection, open successively T2, T1 and A1, B1 valve, this moment, the low-temperature heat exchange medium flow connect coke quenching tank and high temperature coke heat exchange through 1#, then flowed to fly-ash separator and waste heat boiler equipment through T2; After 2# quenching fangs settles 2# to connect coke quenching tank, to open successively B2, C1 valve and close B1, connect coke quenching tank and high temperature coke heat exchange from the heat carrier flow that 1# connects the coke quenching tank outflow through 2# this moment, flows to fly-ash separator and waste heat boiler equipment by T2; By that analogy, after 4# quenching fangs settles 4# to connect coke quenching tank, open successively B4, C3 valve and close B3, connect coke quenching tank and high temperature coke heat exchange from the heat carrier flow that 3# connects the coke quenching tank outflow through 4# this moment, flows to the equipment such as fly-ash separator and waste heat boiler by T2.Finished for the first time quenching process this moment.After 4# quenching fangs settled 4# to connect coke quenching tank, the coke that 1# connects coke quenching tank was cooled, connects coke quenching tank so begin to replace 1#.It sequentially for opening A2, closes A1 and C1, and the 1# that has cooled off that takes away on the 1# quenching fangs connects coke quenching tank, then load onto new high temperature coke is housed newly connect coke quenching tank.Then open successively B1, C4, close B4; Analogize with this, 2#, 3# and 4# connect coke quenching tank displacement, 4# connects the coke quenching tank displacement finish after, finished the displacement of whole burnt tanks, so loop later on quenching.
In the temperature and pressure stable system of combined type dry quenching and connect in the process of cleaning of coke quenching tank, flow and temperature will fluctuate, and for Reduce variation, have designed fresh N
2Gas intake pipeline (also can be independently cryogenic media pipeline).The coke quenching tank that connects such as 1# quenching fangs just installs (A1, B1, C1, D1, D4 close) and then opens successively B1, C4, open behind the C4 to meet hot gas flow that coke quenching tank goes out and 1# from 4# and connect coke quenching tank and connect, but because resistance is large, difficulty has the gas stream mistake in the short period of time.Connect the coke quenching tank top hole pressure for increasing 4#, need slowly open A3 and close A2, adjust simultaneously B4 (turning down B4), make rate of discharge and pressure-stabilisation.After A2 closed, 2# connect and has been full of colder medium in the coke quenching tank, and the inflammable gass such as CO are arranged in the cold medium of this kind, and directly removing the tank that 2# connects on the coke quenching tank has explosion hazard, and this gas discharging contaminate environment.Another problem is that new good and sound 1# connects coke quenching tank, and the gas that does not also have can enter system, so after closing A2, open rapidly D1, makes fresh N
2Gas enters 1# and connects coke quenching tank, enter 3# by C2 and connect coke quenching tank, by control B4, guarantee in the constant situation of rate of discharge, pressure, there is unnecessary gas to enter 1# by C4 and connects coke quenching tank, when 1# connects coke quenching tank and has gas to enter the gas output channel from B1, close B4, system enters next steady-working state.Can find out fresh N
2Input not only played the effect of stable system pressure and flow, also cleaned simultaneously with under remove coke quenching tank, prevented that inflammable gas from blasting and to the pollution of environment.
The below is that combined type dry quenching of the present invention is to the Adaptability Analysis of the various coke ovens of different output scale.The useful volume of different coke-oven, coke oven hole count and single hole product Jiao measure different, have caused different yearly capacities.Take the coke oven of the high 6m of coking chamber as example, to produce 700000 tons of Jiao per year, single hole produces 21.4 tons of calculating of burnt amount, and it is 110m that design singly connects the coke quenching tank volume
3, the quenching group is composed in series by 4 quenching fangs.Connect coke quenching tank and connect defocused the amount of the discharging of the coke of 2 holes of coking chamber (namely be equivalent to 2 * 21.4 tons) for 2 times, send into the quenching of dry coke quenching fangs.If year 700000 tons of coke of quenching, then per hour needing the quenching amount is 81 (700000/360/24) tons, per hour need go out the coke quenching tank amount is 0.53 (2 * 21.4/81) groove, and in other words, per 31.7 (0.53 * 60) minute need be withdrawn from 1 and connect coke quenching tank from the quenching group.In the quenching group of 4 quenching fangs series connection, each connect coke quenching tank have 4 quenching sections (apart from the air outlet recently, apart from the air outlet second, apart from work off one's feeling vent one's spleen the 3rd, apart from the air outlet farthest), each connects coke quenching tank and is 31.7 minutes in the residence time of each quenching section like this, total quenching time be (4 * 31.7)=126.8 minute, and the quenching time of this total quenching time and present large-scale quenching stove is roughly identical.
Each the coking chamber height coke oven that calculates with aforesaid method adopts parameter such as the following tables such as quenching time of quenching group of 3～5 quenching fangs series connection and quenching ability.
The Adaptability Analysis of table 1 throughput
Parameter shows in the above-mentioned table, counts this two parameters by regulating the quenching fangs singly connect the canned burnt number of times of quenching and each quenching group, can regulate total quenching time and every tank and go out quenching pitch time, can be with total quenching Timing between 100～150 minutes; Can regulate filling new high temperature and connect the coke quenching tank timed interval, change the timed interval of cold joint coke quenching tank between 24～43 minutes.Total quenching time of the various coke ovens of the different output scale of calculating and the quenching time of present large-scale Dry Quenching Technology roughly coincide.Calculation result shows, the combined type dry quenching technology can adapt to the various coke ovens of different output scale.
Claims (5)
1. a combined type dry quenching device contains connecting tube, quenching fangs, connects coke quenching tank and tank car, it is characterized in that:
Be provided with plural at least connect (1) and coke quenching tank flap moving up and down (2) at the bottom of coke quenching tank (3) and its corresponding fixedly quenching fangs;
Be provided with plural at least with connect the corresponding tank car of coke quenching tank (3);
Be provided with plural at least inlet pipe (5) two ends respectively with connect accordingly coke quenching tank (3) and cryogenic media house steward (4) is connected;
Be provided with plural at least escape pipe (6) two ends respectively with connect accordingly coke quenching tank (3) and high-temperature medium house steward (10) is connected;
Be provided with between plural at least escape pipe (6) and its next inlet pipe (5) and last escape pipe (6) and first inlet pipe (5) and be connected by fangs pipe connecting (7);
Be provided with N
2Gas house steward (8) by stable cleaning pipe (9) with connect coke quenching tank (3) and be connected.
2. coke quenching device as claimed in claim 1 is characterized in that connecing coke quenching tank (3) and is set up in parallel.
3. coke quenching device as claimed in claim 1 or 2, its bottom that connects in the coke quenching tank (3) is provided with the netted base plate of turnover plate type (11); Bell and spigot (12) at the bottom of the bottom that connects coke quenching tank (3) is provided with tank; Be provided with tank deck bell and spigot (13) on the top that connects coke quenching tank (3); Be provided with bearing (15) at the tank body that connects coke quenching tank (3) (14).
4. extinguishing technique that is used for combined type dry quenching device claimed in claim 1, it is characterized in that will be plural at least connecing coke quenching tank (3) packs in the combined type dry quenching system, successively the low-temperature heat exchange medium in the plural at least inlet pipe (5) is sent into again plural at least the connecing in the coke quenching tank (3) of 950～1050 ℃ of high temperature cokes of being equipped with, by regulating pipe connecting valve and the plural at least high temperature coke heat exchange that connects coke quenching tank (3), its temperature is down to 200～250 ℃, simultaneously cryogenic media is heated to 800～950 ℃ and is exported by escape pipe (6).
5. the extinguishing technique of combined type dry quenching device as claimed in claim 4, its low-temperature heat exchange medium is nitrogen or reducing gas.
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|---|---|---|---|
| CN 201010109694 CN101775295B (en) | 2010-02-04 | 2010-02-04 | Combined type dry quenching device and technology thereof |
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|---|---|---|---|
| CN 201010109694 CN101775295B (en) | 2010-02-04 | 2010-02-04 | Combined type dry quenching device and technology thereof |
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| CN101775295B true CN101775295B (en) | 2013-02-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102277179B (en) * | 2011-07-31 | 2014-05-07 | 圣火科技(河南)有限责任公司 | Economic dry quenching device |
| CN103160293B (en) * | 2013-03-15 | 2016-01-20 | 北京神雾环境能源科技集团股份有限公司 | A kind of multistage continuous dry quenching system of the dry distillation of coal and method |
| CN104498068B (en) * | 2014-12-30 | 2016-08-24 | 汪清县龙腾能源开发有限公司 | The carbonization furnace of a kind of band air seal set does coke discharging method |
| CN108300495A (en) * | 2018-03-16 | 2018-07-20 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke for dry coke quenching production has bad luck system and coke has bad luck method |
| CN108865189B (en) * | 2018-09-10 | 2024-01-30 | 中冶焦耐(大连)工程技术有限公司 | Double-hopper loading device with lifting sleeve sealed at two sides and working method of double-hopper loading device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1449760A (en) * | 1973-08-06 | 1976-09-15 | Waagner Biro Ag | Method of recovering thermal energy in a gas production process |
| CN1694943A (en) * | 2002-08-29 | 2005-11-09 | 新日本制铁株式会社 | Coke dry quenching method and system |
| CN2880828Y (en) * | 2006-03-07 | 2007-03-21 | 刘心灵 | Quenching device of red coke stewing keeping health dry method |
-
2010
- 2010-02-04 CN CN 201010109694 patent/CN101775295B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1449760A (en) * | 1973-08-06 | 1976-09-15 | Waagner Biro Ag | Method of recovering thermal energy in a gas production process |
| CN1694943A (en) * | 2002-08-29 | 2005-11-09 | 新日本制铁株式会社 | Coke dry quenching method and system |
| CN2880828Y (en) * | 2006-03-07 | 2007-03-21 | 刘心灵 | Quenching device of red coke stewing keeping health dry method |
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