CN110270319A - A kind of activated coke resolution system with warning function - Google Patents

A kind of activated coke resolution system with warning function Download PDF

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Publication number
CN110270319A
CN110270319A CN201910588190.6A CN201910588190A CN110270319A CN 110270319 A CN110270319 A CN 110270319A CN 201910588190 A CN201910588190 A CN 201910588190A CN 110270319 A CN110270319 A CN 110270319A
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CN
China
Prior art keywords
analytic tower
section
blower
cooling
activated coke
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910588190.6A
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Chinese (zh)
Inventor
吉建国
刘静
赵海亮
孔春华
陆科
陈庆国
张彬
罗忠竞
范凌涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lian Feng Steel (zhangjiagang) Co Ltd
Original Assignee
Lian Feng Steel (zhangjiagang) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lian Feng Steel (zhangjiagang) Co Ltd filed Critical Lian Feng Steel (zhangjiagang) Co Ltd
Priority to CN201910588190.6A priority Critical patent/CN110270319A/en
Publication of CN110270319A publication Critical patent/CN110270319A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/3416Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/3483Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/12Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • B01D2257/302Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/404Nitrogen oxides other than dinitrogen oxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B01D2259/4009Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas

Abstract

The invention discloses a kind of activated coke resolution system with warning function, including Analytic Tower, heating furnace, heat cycles blower and cooling blower, the gas outlet of the preheating section upper portion side wall of Analytic Tower is connected by hot air duct with the import of heat cycles blower, the outlet of heat cycles blower is connected with the gas inlet of heating furnace, the exhanst gas outlet of heating furnace is connected with the bringing-up section air inlet of Analytic Tower, the cooling section air inlet of Analytic Tower is connected with cooling blower, the cooling section gas outlet of Analytic Tower is connected with atmosphere, several sulfur dioxide monitors are provided in the preheating section and bringing-up section of Analytic Tower, dust monitoring instrument is provided on hot air duct.The invention has the advantages that can find that corrosion failure occurs for Analytic Tower shell side and tube side in time, it is avoided that safety accident occurs and expands, greatly improves production security.

Description

A kind of activated coke resolution system with warning function
Technical field
The present invention relates to the fume treatment technical fields of metallurgy, coal electricity, non-ferrous metal, cement industry, and in particular to uses The activated coke resolution system with warning function of activated coke progress flue gas desulfurization and denitrification.
Background technique
In metallurgy, coal electricity, non-ferrous metal and cement industry, from about 160 DEG C or so of the high-temperature flue gas of sintering machine out Temperature is down to 120 DEG C ~ 130 DEG C after generally first joining cold air, and the flue gas after cooling enters adsorption tower after booster fan pressurizes again, Deviate from SO2 and NOx after activated coke is handled into the flue gas in adsorption tower, the flue gas after deviating from SO2 and NOx is arranged by chimney again Enter atmosphere, and about 120 DEG C ~ 140 DEG C of temperature of the activated coke particle that SO2 and NOx has been adsorbed in adsorption tower entering coke parsing living System, activated coke resolution system by activated coke SO2 and NOx parse and send to later process, while will be replied after parsing The SO2 continued in adsorption tower in flue gas is re-entered into after active activated coke is cooling and NOx is adsorbed.
The structure of activated coke resolution system includes: Analytic Tower, heating furnace, heat cycles blower and cooling used at present Blower is from top to bottom followed successively by top cushion storehouse, the top room Dan Feng, preheating section, changeover portion, bringing-up section, pumping inside Analytic Tower Room, cooling section, the lower part room Dan Feng and discharge zone, the shell side of the preheating section are connected with the shell side of bringing-up section by connecting tube, Wherein, the gas outlet of the preheating section upper portion side wall of Analytic Tower is connected by hot air duct with the import of heat cycles blower, is added The outlet of thermal circulation fan is connected with the gas inlet of heating furnace, the exhanst gas outlet of heating furnace and the heating pars infrasegmentalis of Analytic Tower The air inlet of side wall is connected, and the air inlet of cooling section lower sides of Analytic Tower is connected with the outlet of cooling blower, parsing The gas outlet of the cooling section upper portion side wall of tower is connected with atmosphere.
The course of work of above-mentioned activated coke resolution system is as follows: having adsorbed about 120 DEG C ~ 140 DEG C of temperature of SO2 and NOx The feed inlet of activated coke particle analytically top of tower enters the top cushion storehouse of Analytic Tower, then enters top nitrogen through top cushion storehouse Seal room, then from the top room Dan Feng successively downwards from flow into Analytic Tower preheating section tube side, then the tube side through Analytic Tower preheating section into The shell side for entering changeover portion enters the tube side of bringing-up section using the shell side for crossing section, and then heated section of tube side enters pumping again Room, during activated coke is by Analytic Tower preheating section tube side, changeover portion shell side and bringing-up section tube side, heat cycles wind The high-temperature flue gas that heating furnace generates constantly is recycled and is passed through Analytic Tower preheating section shell side and bringing-up section shell side by chance, thus to parsing Tower preheating section tube side and bringing-up section tube side are heated, so in preheating section tube side and bringing-up section tube side adsorbed SO2 and The activated coke of NOx is heated, adsorbed SO2 and NOx activated coke it is heated after can deviate from SO2 and NOx, the SO2 of abjection and NOx enriched gas can be discharged from the gas outlet of aspirating chamber is sent to sulphuric acid plant production sulfuric acid, and deviates from the activated coke of SO2 and NOx Analytic Tower cooling section pipe can be passed through in the activated coke of abjection SO2 and NOx from aspirating chamber downwards from Analytic Tower cooling section tube side is flowed into During journey, cold air can be passed through Analytic Tower cooling section shell side by cooling blower, to carry out to Analytic Tower cooling section tube side It is cooling, and then cooled down to by the activated coke in Analytic Tower cooling section tube side, activated coke after cooling can be through Analytic Tower Cooling section tube side is downwardly into the lower part room Dan Feng, then enters Analytic Tower discharge zone through the lower part room Dan Feng, and then analytically tower is arranged again Expect that section is discharged into adsorption tower through vibrating screen again, to realize recycling for activated coke.
Activated coke resolution system used at present has the disadvantage in that
(1) it can not find that corrosion failure occurs for Analytic Tower changeover portion shell side in time, after Analytic Tower changeover portion shell side occurs damaged, Extraneous oxygen can contact after entering in tower with the high temperature active coke in changeover portion shell side occurs oxygen-enriched combusting, to cause to parse Tower tower wall is burnt, and safety accident is caused, and production security is low;
(2) it can not find that corrosion failure occurs for each tube side in Analytic Tower in time, after tube side each in Analytic Tower occurs damaged, shell side Interior gas can enter tube side from breakage, cause the activated coke in tube side to be sintered blocking blocking tube side, cause tube side heat-transfer surface Product is reduced, and influences heat transfer effect and parsing effect.
Summary of the invention
The purpose of the present invention is that can find that corrosion failure occurs for Analytic Tower shell side and tube side in time, it is avoided that safety accident is sent out Raw and expansion, greatly improves the activated coke resolution system with warning function of production security.
To achieve the above object, present invention employs following technical solutions: a kind of activity with warning function Burnt resolution system, including Analytic Tower, heating furnace, heat cycles blower and cooling blower, the preheating section upper side of the Analytic Tower The gas outlet of wall is connected by hot air duct with the import of heat cycles blower, the outlet of heat cycles blower and heating furnace Gas inlet is connected, and the air inlet of the bringing-up section lower sides of the exhanst gas outlet and Analytic Tower of heating furnace is connected, the solution The air inlet of cooling section lower sides of analysis tower is connected with the outlet of cooling blower, and the cooling section upper portion side wall of Analytic Tower goes out Port is connected with atmosphere, is provided with several sulfur dioxide monitors, sulfur dioxide in the preheating section and bringing-up section of Analytic Tower Sulfur dioxide concentration of the monitor for air near real-time monitoring preheating section and bringing-up section, and when sulfur dioxide concentration exceeds Alarm can occur when threshold value automatically;Dust monitoring instrument is provided on hot air duct, dust monitoring instrument is to real-time monitoring hot wind The dust concentration of flue gas in pipeline, and alarm can occur automatically when the dust concentration of flue gas in hot air duct exceeds threshold value.
Further, a kind of activated coke resolution system with warning function above-mentioned, in which: in the preheating section of Analytic Tower It is respectively provided with that there are two be distributed in the sulfur dioxide monitors of Analytic Tower two sides with bringing-up section.
Further, a kind of activated coke resolution system with warning function above-mentioned, in which: be arranged on hot-blast pipe line There is exhaust port, exhaust emissions regulating valve is provided on exhaust port.
Through the implementation of the above technical solution, the beneficial effects of the present invention are: (1) can find that Analytic Tower shell side occurs in time Corrosion failure is avoided that safety accident occurs and expands, greatly improves production security;(2) Analytic Tower tube side can be found in time Corrosion failure occurs, staff can overhaul in time, guarantee heat transfer effect and parsing effect.
Detailed description of the invention
Fig. 1 is a kind of principle schematic diagram of the activated coke resolution system with warning function of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
As shown in Figure 1, a kind of activated coke resolution system with warning function, including Analytic Tower 1, heating furnace 2, Heat cycles blower 3 and cooling blower 4, be from top to bottom followed successively by inside Analytic Tower 1 top cushion storehouse 11, the top room Dan Feng 12, Preheating section 13, changeover portion 14, bringing-up section 15, aspirating chamber 16, cooling section 17, the lower part room Dan Feng 18 and discharge zone 19, Analytic Tower 1 Preheating section shell side is connected with bringing-up section shell side by connecting tube 20, the outlet of 13 upper portion side wall of preheating section of the Analytic Tower 1 Mouth is connected by hot air duct 5 with the import of heat cycles blower 3, the outlet of heat cycles blower 3 and the flue gas of heating furnace 2 Import is connected, and the air inlet of the bringing-up section lower sides of the exhanst gas outlet and Analytic Tower 1 of heating furnace 2 is connected, the parsing The air inlet of 17 lower sides of cooling section of tower 1 is connected with the outlet of cooling blower 4,17 upper side of cooling section of Analytic Tower 1 The gas outlet of wall is connected with atmosphere, is provided with several sulfur dioxide monitorings in the preheating section 13 and bringing-up section 15 of Analytic Tower 1 Instrument 6, sulfur dioxide concentration of the sulfur dioxide monitor 6 for air near real-time monitoring preheating section 13 and bringing-up section 15, and Alarm can occur automatically when sulfur dioxide concentration exceeds threshold value;Dust monitoring instrument 7, dust prison are provided on hot air duct 5 Dust concentration of the instrument 7 to flue gas in real-time monitoring hot air duct 5 is surveyed, and when the dust concentration of flue gas in hot air duct 5 is super Alarm can occur automatically when threshold value out;In the present embodiment, there are two being respectively provided in the preheating section 13 of Analytic Tower 1 and bringing-up section 15 It is distributed in the sulfur dioxide monitor 6 of 1 two sides of Analytic Tower, it in this way can the more accurately preheating section 13 to Analytic Tower 1 and heating The sulfur dioxide concentration of air is monitored near section 15, so that alarm occur in time, further improves safety in utilization;? In the present embodiment, it is provided with exhaust port on hot-blast pipe line 5, exhaust emissions regulating valve 8 is provided on exhaust port, The amount of circulating gas into heating furnace can be effectively reduced by exhaust emissions regulating valve, and then heating-furnace gun pressure can be reduced Power, avoid because heating furnace furnace pressure it is excessively high caused by coal gas back-fire trouble generation, further improve the operation of system Stability and safety;
Working principle of the present invention is as follows:
The feed inlet for having adsorbed about 120 DEG C ~ 140 DEG C of temperature of the activated coke particle of SO2 and NOx analytically 1 top of tower enters top Portion's surge bunker 11, then it is downwardly into the top room Dan Feng 12 through top cushion storehouse 11, then successively flow automatically downwards from the top room Dan Feng 12 Enter the tube side of Analytic Tower preheating section 13, then the tube side through Analytic Tower preheating section 13 enters the shell side of changeover portion 14, using crossing section 14 shell side enters the tube side of bringing-up section 15, and then heated section 15 of tube side enters aspirating chamber 16 again, in activated coke by solving During analysing 13 tube side of tower preheating section, 15 tube side of 14 shell side of changeover portion and bringing-up section, heat cycles blower 3 can will be heated The high-temperature flue gas that furnace 2 generates, which constantly recycles, is passed through 15 shell side of 13 shell side of Analytic Tower preheating section and bringing-up section, thus pre- to Analytic Tower 13 tube side of hot arc and 15 tube side of bringing-up section are heated, and then to the absorption in 15 tube side of 13 tube side of preheating section and bringing-up section The activated coke of SO2 and NOx is heated, adsorbed SO2 and NOx activated coke it is heated after can deviate from SO2 and NOx, abjection SO2 and NOx enriched gas can be discharged from the gas outlet of aspirating chamber 16 is sent to sulphuric acid plant production sulfuric acid, and deviates from SO2's and NOx Activated coke can pass through parsing in the activated coke of abjection SO2 and NOx from aspirating chamber 16 downwards from 17 tube side of Analytic Tower cooling section is flowed into During 17 tube side of tower cooler section, cold air can be passed through 17 shell side of Analytic Tower cooling section by cooling blower 4, thus to Analytic Tower 17 tube side of cooling section is cooled down, and then is cooled down to by the activated coke in 17 tube side of Analytic Tower cooling section, after cooling Activated coke can be downwardly into the lower part room Dan Feng 18 through 17 tube side of Analytic Tower cooling section, then enter Analytic Tower through the lower part room Dan Feng 18 Discharge zone 19, then analytically tower discharge zone 19 is discharged into adsorption tower through vibrating screen again again, to realize the circulation benefit of activated coke With;In activated coke resolving, the two of air near the meeting real-time monitoring preheating section 13 of sulfur dioxide monitor 6 and bringing-up section 15 When sulfur dioxide concentration exceeds threshold value alarm can occur automatically for sulfur oxide concentration;Dust monitoring instrument 7 also can real-time monitoring simultaneously The dust concentration of flue gas in hot air duct 5 can warn automatically when the dust concentration of flue gas in hot air duct 5 exceeds threshold value Report enables staff to find that corrosion failure occurs for Analytic Tower shell side and tube side in time, avoids the generation and expansion of safety accident, Greatly improve production security.
The invention has the advantages that (1) can find that corrosion failure occurs for Analytic Tower shell side in time, it is avoided that safety accident With expansion, production security is greatly improved;(2) it can find that corrosion failure occurs for Analytic Tower tube side in time, staff can be timely It is overhauled, guarantees heat transfer effect and parsing effect.

Claims (3)

1. a kind of activated coke resolution system with warning function, comprising: Analytic Tower, heating furnace, heat cycles blower and cooling The gas outlet of blower, the preheating section upper portion side wall of the Analytic Tower is connected by hot air duct with the import of heat cycles blower Logical, the outlet of heat cycles blower is connected with the gas inlet of heating furnace, the heating of the exhanst gas outlet and Analytic Tower of heating furnace The air inlet of pars infrasegmentalis side wall is connected, the outlet phase of the air inlet and cooling blower of the cooling section lower sides of the Analytic Tower Connection, the gas outlet of the cooling section upper portion side wall of Analytic Tower is connected with atmosphere, it is characterised in that: Analytic Tower preheating section and Bringing-up section is provided with several sulfur dioxide monitors, and sulfur dioxide monitor is used near real-time monitoring preheating section and bringing-up section The sulfur dioxide concentration of air, and alarm can occur automatically when sulfur dioxide concentration exceeds threshold value;It is set on hot air duct It is equipped with dust monitoring instrument, dust concentration of the dust monitoring instrument to flue gas in real-time monitoring hot air duct, and works as hot air duct When exceeding threshold value alarm can occur automatically for the dust concentration of interior flue gas.
2. a kind of activated coke resolution system with warning function according to claim 1, it is characterised in that: in Analytic Tower Preheating section and bringing-up section be respectively provided with that there are two be distributed in the sulfur dioxide monitors of Analytic Tower two sides.
3. a kind of activated coke resolution system with warning function according to claim 1 or 2, it is characterised in that: in heat It is provided with exhaust port on air pipe line, exhaust emissions regulating valve is provided on exhaust port.
CN201910588190.6A 2019-07-02 2019-07-02 A kind of activated coke resolution system with warning function Pending CN110270319A (en)

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Application Number Priority Date Filing Date Title
CN201910588190.6A CN110270319A (en) 2019-07-02 2019-07-02 A kind of activated coke resolution system with warning function

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CN115265162A (en) * 2022-06-30 2022-11-01 武汉同力智能系统有限公司 Efficient and energy-saving slasher hot air drying system and heating furnace

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