CN103923668A - Improved quenching method and device based on original quenching tower - Google Patents
Improved quenching method and device based on original quenching tower Download PDFInfo
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- CN103923668A CN103923668A CN201410178369.1A CN201410178369A CN103923668A CN 103923668 A CN103923668 A CN 103923668A CN 201410178369 A CN201410178369 A CN 201410178369A CN 103923668 A CN103923668 A CN 103923668A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The invention relates to an improved quenching method and device based on an original quenching tower. Under the condition of not changing the existing quenching mode generally, the quenching tower is transformed, a closed wet quenching method is adopted, air pollution in quenching is basically eliminated, the sensible heat of the coke can be recycled, energy source is saved, the technological process is simple, the capital investment is less, and the difficulty of transforming the original quenching device is reduced. The system comprises a quenching car, the quenching tower, a spray pipe, quenching mist, a mist discharging chamber, a monoclinic blind window, an upper mist discharging chamber, a nozzle, another spray pipe, a tope cover of the quenching tower, a gas delivery pipe, a high altitude reservoir, a pump, a sealed receiving tank, another pump, a drain-pipe, a quenching car inlet, another drain-pipe, a hot water regulating tank, a heat exchanger, a water container, a water inlet pipe, a cooling water outlet pipe, a hot water pipe, a heating pipe, and a cooling water tower. The device can guarantee no pollution emission in quenching and meets the environment protection requirements of process engineering.
Description
Technical field
The present invention relates to a kind of coke quenching device, a kind ofly in the situation that original quenching mode is substantially constant, coke quenching tower transformed, belong to coking industry environment-friendly engineering technical field, specifically a kind of on original coke quenching tower improved coke quenching method and device.
Background technology
Coking industry is the important auxiliary industry of Iron And Steel Industry, through years development, still exist layout unreasonable, produce and disperse, disorderly competition, the problem that concentration degree is low, coking production environmental pollution and the wasting of resources are still very serious, some enterprises of recent year blindly enhance production capacities, occur that supply exceed demand in domestic market, the situation of world market finite capacity, existing coal chemical enterprise is owing to being subject to the strict demand of environmental protection and the restriction of < < coking industry entry criteria > >, taked more advanced Pollution abatement measure, but still have some enterprises can not meet pollutent standard and total amount emission request, cause the environmental pollution of Chan Jiao district serious.
Aspect current topsoil environmental requirement improvement, it is being a great difficult problem, the quenching of the spray water of metallurgy industry cooling at present adopts conventional wet method low discharge, the quenching of lower velocity splashing type mode, because current coke quenching device is open type, so carbon monoxide, water, hydrogen, chemical organic compounds and dust etc. that during quenching, high temperature produces are all released in atmospheric layer, environmental pollution is very serious, therefore need to possess and meets the processing condition of strict emission standard and control the most effective means of pollutant emission.
Summary of the invention
A kind of method and device that improves quenching on original coke quenching tower, in the situation that existing quenching mode is substantially constant, coke quenching tower is transformed, adopt closed wet quenching, basically eliminate the topsoil of quenching process, and can reclaim coke sensible heat, saved the energy, technological process is simple, initial cost is few, and while transforming former coke quenching auxiliary, difficulty reduces, by quenching car, coke quenching tower, water jet standpipe, quenching mist, fog discharge chamber, single bevel window shutter, fog discharge chamber, top, shower nozzle, water jet standpipe, coke quenching tower top cover, gas export control, high-level reservoir, pump, sealing Receiving bin, pump, water shoot, quenching car entrance, water shoot, hot water regulating tank, interchanger, cistern, water inlet pipe, cooling water outlet pipe, hot-water line, heating tube, cooling tower forms system, can guarantee extinguishing technique process non-pollution discharge, reach the environmental requirement of process engineering, gas recovery is as industrial chemicals, and the heat of recovery, after further designing, can also, for thermoelectric (al) generator, be realized cogeneration.
When quenching car enters after coke quenching tower, the entrance of coke quenching tower is closed, the water jet standpipe of coke quenching tower bottom starts the quenching of spraying water, the steam generating and coal gas rise, and after the single bevel window shutter dedusting at tower middle part, enter the top of tower, meanwhile, the shower nozzle of tower top also starts water spray, makes to enter the water vapor condensation on tower top, and condensing water is sought out via the take-up gear of window shutter bottom.And coal gas and other non-condensable gases are derived through the gas eduction tube of tower top, deliver in coke oven gas pipe and go together to purify between recovery vehicle.From the condensing water of deriving in coke quenching tower, through being pumped to airtight Receiving bin, at this, through interchanger and the water that is circulated in hot water regulating tank system, carry out heat exchange, itself is cooled.A cooled condensing water part is delivered to coke quenching water settling pond through pipeline, and a part, with being pumped to high-level reservoir, recycles.A step heat exchange after the water being heated through interchanger causes, reclaiming its heat.
The advantage of the design's device is in the situation that existing quenching mode is substantially constant, coke quenching tower to be transformed, adopt closed wet quenching, basically eliminate the topsoil of quenching process, and can reclaim coke sensible heat, saved the energy, technological process is simple, and initial cost is few, while transforming former coke quenching auxiliary, difficulty reduces, be a kind of than Dry Quenching Technology more reduce investment outlay, simple method.
the design's technical scheme is:
A kind of method and device that improves quenching on original coke quenching tower, when quenching car enters after coke quenching tower, the entrance of coke quenching tower is closed, and the water jet standpipe of coke quenching tower bottom starts the quenching of spraying water, and the steam of generation and coal gas rise, after the single bevel window shutter dedusting at tower middle part, enter the top of tower, meanwhile, the shower nozzle of tower top also starts water spray, make to enter the water vapor condensation on tower top, condensing water is sought out via the take-up gear of window shutter bottom.And coal gas and other non-condensable gases are derived through the gas eduction tube of tower top, deliver in coke oven gas pipe and go together to purify between recovery vehicle.From the condensing water of deriving in coke quenching tower, through being pumped to airtight Receiving bin, at this, through interchanger and the water that is circulated in hot water regulating tank system, carry out heat exchange, itself is cooled.A cooled condensing water part is delivered to coke quenching water settling pond through pipeline, and a part, with being pumped to high-level reservoir, recycles.A step heat exchange after the water being heated through interchanger causes, reclaiming its heat.
embodiment
A kind of on original coke quenching tower improved coke quenching method and device, by quenching car 1, coke quenching tower 2, water jet standpipe 3, quenching mist 4, fog discharge chamber 5, single bevel window shutter 6, fog discharge chamber, top 7, shower nozzle 8, water jet standpipe 9, coke quenching tower top cover 10, gas export control 11, high-level reservoir 12, pump 13, sealing Receiving bin 14, pump 15, 23, water shoot 16, quenching car entrance 17, water shoot 18, hot water regulating tank 19, interchanger 20, 21, 28, cistern 22, water inlet pipe 24, cooling water outlet pipe 25, hot-water line 26, 29, heating tube 27, cooling tower 30 forms, it is characterized in that: coke quenching tower 2 both sides, stage casing have single bevel window shutter 6, on burnt car entrance 17 frameworks of coke quenching tower 2, overhead door is installed, the tower top of coke quenching tower 2 is installed with shower nozzle 8, the bottom of coke quenching tower 2 is installed with water jet standpipe 3.The tower top fixed installation gas export control 11 of coke quenching tower 2, gas export control 11 pipes lead to and connect pump 13, sealing Receiving bin 14 is provided with water shoot 16, pipe leads to and connects hot water regulating tank 19, interchanger 20, 21, cistern 22, cistern 22 bottoms are provided with pump 23 and water inlet pipe 24, pump 15 pipes lead to and connect high-level reservoir 12 1 sides, at the design position of water reservoir 12 mounting heat exchanger 28, between interchanger 28 and heat pump 27 by hot-water line 26, hot-water line 29 connects, hot-water line 29 one end connect cooling tower 30 with cooling water outlet pipe 25, when quenching car 1 enters after coke quenching tower 2, quenching car entrance 17 is closed, the water jet standpipe 3 of coke quenching tower 2 bottoms starts the quenching of spraying water, produce a large amount of quenching mists 4, the steam generating and coal gas rise, after single bevel window shutter 6 dedustings at tower middle part, enter the top of tower, meanwhile, the shower nozzle 8 of tower top also starts water spray, make to enter the water vapor condensation on tower top, condensing water is derived via the take-up gear of window shutter 6 bottoms.Coal gas and other non-condensable gases are derived through the gas export control 11 of tower top, deliver in coke oven gas pipe and go together to purify between recovery vehicle, from the condensing water of deriving in coke quenching tower, through pump 13, deliver to the sealing Receiving bin 14 that is provided with water shoot 16, at this through interchanger 20, 21 carry out heat exchange with the water that is circulated in hot water regulating tank 19, itself is cooled, a cooled condensing water part is delivered to coke quenching water settling pond cistern 22 through pipeline, cistern 22 bottoms are provided with pump 23 and water inlet pipe 24, cooled condensing water another part is delivered to high-level reservoir 12 with pump 15, recycle, a step heat exchange after the water being heated through interchanger 28 causes heat pump 27 by hot-water line 26, water after heat exchange causes by hot-water line 29 cooling tower 30 that is provided with cooling water outlet pipe 25 again, effectively reclaimed coke sensible heat.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated:
A kind of method and device that improves quenching on original coke quenching tower, by quenching car, coke quenching tower, water jet standpipe, quenching mist, fog discharge chamber, single bevel window shutter, fog discharge chamber, top, shower nozzle, water jet standpipe, coke quenching tower top cover, gas export control, high-level reservoir, pump, sealing Receiving bin, pump, water shoot, quenching car entrance, water shoot, hot water regulating tank, interchanger, cistern, water inlet pipe, cooling water outlet pipe, hot-water line,, heating tube, cooling tower form a system.
Quenching car is conventional wedged bottom quenching car, coke quenching tower is a upright sealing tower, top and top cover place at tower are equipped with waterworks, the middle part of tower is provided with dust collector, dust collector is comprised of fog discharge chamber and fog discharge chamber, top, the bottom of tower is provided with water shoot, quenching car enters after coke quenching tower, quenching car entrance is closed, the water jet standpipe of coke quenching tower bottom starts the quenching of spraying water, produce a large amount of quenching mists, the steam generating and coal gas rise, after the single bevel window shutter dedusting at tower middle part, enter the top of tower, meanwhile, the shower nozzle of tower top also starts water spray, make to enter the water vapor condensation on tower top, condensing water is derived via the take-up gear of window shutter bottom.And coal gas and other non-condensable gases are derived through the gas export control of tower top, deliver in coke oven gas pipe and go together to purify between recovery vehicle.From the condensing water of deriving in coke quenching tower through being pumped to the sealing Receiving bin that is provided with water shoot.
At this, through interchanger and the water that is circulated in hot water regulating tank, carry out heat exchange, itself is cooled, a cooled condensing water part is delivered to coke quenching water settling pond cistern through pipeline, cistern bottom is provided with pump and water inlet pipe, cooled condensing water another part is with being pumped to high-level reservoir, recycle, a step heat exchange after the water being heated through interchanger causes heat pump by hot-water line, water after heat exchange causes by hot-water line the cooling tower that is provided with cooling water outlet pipe again, effectively reclaimed coke sensible heat, both sides, coke quenching tower stage casing have single bevel window shutter, after the burnt car entrance of coke quenching tower, overhead door is installed, the tower top of coke quenching tower is installed with shower nozzle, the bottom of coke quenching tower is installed with water jet standpipe.
The tower top fixed installation gas export control of coke quenching tower, gas export control pipe leads to and connects pump, sealing Receiving bin is provided with water shoot, pipe leads to and connects hot water regulating tank, interchanger, cistern, cistern bottom is provided with pump and water inlet pipe, pump line leads to and connects high-level reservoir one side, at the design position of water reservoir mounting heat exchanger, between interchanger and heat pump by hot-water line, hot-water line connects, hot-water line one end connects cooling tower with cooling water outlet pipe, when quenching car enters after coke quenching tower, quenching car entrance is closed, the water jet standpipe of coke quenching tower bottom starts the quenching of spraying water, produce a large amount of quenching mists, the steam generating and coal gas rise, after the single bevel window shutter dedusting at tower middle part, enter the top of tower, meanwhile, the shower nozzle of tower top also starts water spray, make to enter the water vapor condensation on tower top, condensing water is derived via the take-up gear of window shutter bottom.
Coal gas and other non-condensable gases are derived through the gas export control of tower top, deliver in coke oven gas pipe and go together to purify between recovery vehicle, from the condensing water of deriving in coke quenching tower through being pumped to the sealing Receiving bin that is provided with water shoot, at this, through interchanger and the water that is circulated in hot water regulating tank, carry out heat exchange, itself is cooled, a cooled condensing water part is delivered to coke quenching water settling pond cistern through pipeline, cistern bottom is provided with pump and water inlet pipe, cooled condensing water another part recycles with being pumped to high-level reservoir, a step heat exchange after the water being heated through interchanger causes heat pump by hot-water line, water after heat exchange causes by hot-water line the cooling tower that is provided with cooling water outlet pipe again, effectively reclaimed coke sensible heat.
beneficial effect
A kind of method and device that improves quenching on original coke quenching tower, in the situation that existing quenching mode is substantially constant, coke quenching tower is transformed, adopt closed wet quenching, basically eliminate the topsoil of quenching process, and can reclaim coke sensible heat, saved the energy, technological process is simple, initial cost is few, while transforming former coke quenching auxiliary, difficulty reduces, by quenching car, coke quenching tower, water jet standpipe, quenching mist, fog discharge chamber, single bevel window shutter, fog discharge chamber, top, shower nozzle, water jet standpipe, coke quenching tower top cover, gas export control, high-level reservoir, pump, sealing Receiving bin, pump, water shoot, quenching car entrance, water shoot, hot water regulating tank, interchanger, cistern, water inlet pipe, cooling water outlet pipe, hot-water line, heating tube, cooling tower forms system, can guarantee extinguishing technique process non-pollution discharge, reach the environmental requirement of process engineering, the heat reclaiming is after further designing, can also be for thermoelectric (al) generator, realize cogeneration.
Finally need explanation: above statement is just technological principle and the device process of this design; described embodiment has only expressed the design's embodiment; it describes comparatively concrete and detailed; but can not therefore be interpreted as the restriction to the scope of the claims of the present invention; it should be noted that for the person of ordinary skill of the art; not departing under the prerequisite of the design's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Accompanying drawing explanation
Fig. 1 is the design's structural representation.
Claims (3)
1. on original coke quenching tower, improving method and the device of quenching, is by quenching car (1), coke quenching tower (2), water jet standpipe (3), quenching mist (4), fog discharge chamber (5), single bevel window shutter (6), fog discharge chamber, top (7), shower nozzle (8), water jet standpipe (9), coke quenching tower top cover (10), gas export control (11), high-level reservoir (12), pump (13), sealing Receiving bin (14), pump (15) (23), water shoot (16), quenching car entrance (17), water shoot (18), hot water regulating tank (19), interchanger (20) (21) (28), cistern (22), water inlet pipe (24), cooling water outlet pipe (25), hot-water line (26) (29), heating tube (27), cooling tower (30) forms, it is characterized in that: quenching car (1) enters after coke quenching tower (2), quenching car entrance (17) is closed, the water jet standpipe (3) of coke quenching tower (2) bottom starts the quenching of spraying water, produce a large amount of quenching mists (4), the steam generating and coal gas rise, after single bevel window shutter (6) dedusting at tower middle part, enter the top of tower, meanwhile, the shower nozzle of tower top (8) also starts water spray, makes to enter the water vapor condensation on tower top, and condensing water is derived via the take-up gear of window shutter (6) bottom.
According to claim 1 a kind of on original coke quenching tower improved coke quenching device, it is characterized in that: coal gas and other non-condensable gases are derived through the gas export control (11) of tower top, deliver in coke oven gas pipe and go together to purify between recovery vehicle, from the condensing water of deriving in coke quenching tower, through pump (13), deliver to the sealing Receiving bin (14) that is provided with water shoot (16), at this, through interchanger (20) (21) and the water that is circulated in hot water regulating tank (19), carry out heat exchange, itself is cooled, a cooled condensing water part is delivered to coke quenching water settling pond cistern (22) through pipeline, cistern (22) bottom is provided with pump (23) and water inlet pipe (24).
According to claim 1 a kind of on original coke quenching tower improved coke quenching device, it is characterized in that: cooled condensing water for another part pump (15) deliver to high-level reservoir (12), recycle, a step heat exchange after the water being heated through interchanger (28) causes heat pump (27) by hot-water line (26), water after heat exchange causes by hot-water line (29) cooling tower (30) that is provided with cooling water outlet pipe (25) again, has effectively reclaimed coke sensible heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410178369.1A CN103923668A (en) | 2014-04-30 | 2014-04-30 | Improved quenching method and device based on original quenching tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410178369.1A CN103923668A (en) | 2014-04-30 | 2014-04-30 | Improved quenching method and device based on original quenching tower |
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| CN103923668A true CN103923668A (en) | 2014-07-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105176546A (en) * | 2015-09-22 | 2015-12-23 | 天津大学 | Closed coke quenching and heat energy recycling method and device |
| CN110205145A (en) * | 2018-04-20 | 2019-09-06 | 西安华江环保科技股份有限公司 | A kind of wet process coke pressure quenching energy recovery system and method |
| CN112011347A (en) * | 2020-09-09 | 2020-12-01 | 常州江南冶金科技有限公司 | Intelligent closed wet quenching water-saving and de-whitening process by using original quenching tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105176546A (en) * | 2015-09-22 | 2015-12-23 | 天津大学 | Closed coke quenching and heat energy recycling method and device |
| CN105176546B (en) * | 2015-09-22 | 2018-07-17 | 天津大学 | Closed quenching and the method and apparatus for recycling thermal energy |
| CN110205145A (en) * | 2018-04-20 | 2019-09-06 | 西安华江环保科技股份有限公司 | A kind of wet process coke pressure quenching energy recovery system and method |
| CN110205145B (en) * | 2018-04-20 | 2024-05-28 | 西安华江环保科技股份有限公司 | Wet pressure quenching energy recovery system and method |
| CN112011347A (en) * | 2020-09-09 | 2020-12-01 | 常州江南冶金科技有限公司 | Intelligent closed wet quenching water-saving and de-whitening process by using original quenching tower |
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Application publication date: 20140716 |