CN114768508A - Medium-low sulfur calcined petroleum coke flue gas treatment process - Google Patents

Medium-low sulfur calcined petroleum coke flue gas treatment process Download PDF

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Publication number
CN114768508A
CN114768508A CN202210601442.6A CN202210601442A CN114768508A CN 114768508 A CN114768508 A CN 114768508A CN 202210601442 A CN202210601442 A CN 202210601442A CN 114768508 A CN114768508 A CN 114768508A
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flue gas
petroleum coke
smoke
box
heat exchange
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周爱国
何志远
尹哲
高庆凯
杨栋栋
高岭
周伟
刘栋
刘德苓
王广哲
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Lianyungang Linhai New Material Co ltd
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Lianyungang Linhai New Material Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/30—Controlling by gas-analysis apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/80—Semi-solid phase processes, i.e. by using slurries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/001—Calcining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B55/00—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a process for treating petroleum coke flue gas after low-middle sulfur calcination, which can carry out heat exchange recovery on heat in the petroleum coke flue gas, recover the heat into a calcining furnace, ensure that the calcining furnace burns more fully and quickly, thereby reducing burning raw materials such as asphalt and the like, saving calcining cost, preventing the heat loss of the flue gas, recycle the petroleum coke dust in the flue gas through a multi-pipe cyclone dust collector and then convey the petroleum coke dust into the calcining furnace, avoid resource waste, recycle the unburned petroleum coke dust into the furnace for reuse, save resources and reduce cost, treat the flue gas through a double alkali desulfurization technology and a spray semi-dry desulfurization technology, thoroughly clean and purify the flue gas through an electrostatic dust collector and a smoke washing box, detect the purified flue gas, convey the flue gas to corresponding purification equipment for purification treatment according to detection data, thereby the flue gas is discharged more up to standard, the environment is protected, and the energy consumption is also reduced.

Description

Medium-low sulfur calcined petroleum coke flue gas treatment process
Technical Field
The invention relates to the field of petroleum coke flue gas treatment, in particular to a process for treating medium-low sulfur calcined petroleum coke flue gas.
Background
In the calcining process of petroleum coke, after raw petroleum coke is calcined at high temperature, calcined coke at 1000-1100 ℃ is discharged into a cooler from a kiln head of a rotary kiln for cooling, the petroleum coke is cooled by combining an indirect cooling mode of spraying water outside a cylinder body of the cooler with a direct cooling mode of directly spraying water into the cylinder body, under the direct cooling mode, cooling water is directly sprayed on the calcined petroleum coke at high temperature to generate a large amount of smoke containing dust and steam, and the smoke can be discharged after being treated. The existing flue gas treatment is very simple, the heat of the flue gas cannot be recovered and then used by a calcining furnace, petroleum coke dust in the flue gas cannot be recovered and reused, resource waste is caused, a plurality of desulphurization processes cannot be adopted to remove sulfur dioxide, harmful gas in the flue gas cannot be removed through a multi-stage flue gas treatment process, the harmful gas in the flue gas cannot be detected, unqualified flue gas is recovered and reprocessed, qualified flue gas is directly discharged, and the low-middle-sulfur calcined petroleum coke flue gas treatment process is provided.
Disclosure of Invention
The invention aims to provide a process for treating medium-low sulfur calcined petroleum coke flue gas, aiming at overcoming the defects in the prior art and solving the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a process for treating low-middle sulfur calcined petroleum coke flue gas comprises the following specific steps:
s1: mixing and crushing the delayed stone tar and the asphalt raw materials, then putting the mixture into a calcining furnace, and calcining the mixture through the calcining furnace;
s2: petroleum coke gas generated after calcination is respectively conveyed into heat exchange pipes in the heat exchange box A and the heat exchange box B.once.the heat exchange pipes in the heat exchange box N, and heat on the heat exchange pipes is pumped by a blower and conveyed into a calcination furnace;
s3: cooling the petroleum coke gas after heat exchange by a cooling tower, wherein the cooled petroleum coke gas can generate flue gas, then conveying the flue gas into a multi-tube cyclone dust collector for dust removal treatment, and conveying the treated petroleum coke dust into a calcining furnace to provide a combustion raw material;
s4: the flue gas is treated by the multi-pipe cyclone dust collector and then conveyed into a double-alkali method desulfurization box for first desulfurization treatment;
s5: the flue gas after the first desulfurization treatment enters a spray semi-dry desulfurization box again for second desulfurization;
s6: entering the electrostatic precipitator after the second desulfurization, and performing dust removal treatment through the electrostatic precipitator;
s7: and finally cleaning the flue gas by using an organic liquid flue gas cleaning box, returning the content of residual quantity in the flue gas of the cleaned flue gas to S4 or S5 or S6 or S7 respectively according to different contents, and discharging the flue gas until the flue gas is purified to reach the standard.
As a preferable technical scheme of the invention, the S1 delayed stone tar and asphalt raw materials are respectively crushed by a jaw crusher, then the crushed delayed stone tar and asphalt raw material slag are put into a mixing and stirring cylinder to be stirred and mixed, then the crushed delayed stone tar and asphalt raw material slag are crushed again by a counterattack crusher, and then the mixture of the delayed stone tar and the asphalt raw materials is put into a calcining furnace by a loading vehicle.
As a preferable technical scheme of the invention, the calcining temperature of the calcining furnace in the S1 is 1000-1100 ℃.
As a preferred technical scheme of the invention, a plurality of heat exchange boxes are arranged, and the heat exchange tube in each heat exchange box is connected with the smoke exhaust tube of the calcining furnace through a connecting tube and an electromagnetic valve.
As a preferable technical scheme of the invention, the multi-pipe cyclone dust collector is connected with the calcining furnace through a return conveying pipeline.
As a preferable technical scheme of the invention, sodium carbonate and sodium hydroxide are arranged inside the double-alkali desulfurization box, and lime milk is arranged inside the spray semi-dry desulfurization box.
As a preferable technical scheme of the invention, the organic liquid is used as an absorbent in the organic liquid smoke washing box, and the absorbent is in countercurrent contact with smoke to carry out smoke washing treatment.
As a preferred technical scheme of the invention, the multi-tube cyclone dust collector, the double-alkali method desulfurization box, the spray semi-dry method desulfurization box, the electrostatic dust collector and the organic liquid smoke washing box are all connected with a smoke discharge pipeline on the smoke detection box through a connecting pipeline, an electromagnetic valve is arranged on the connecting pipeline, and the electromagnetic valve is electrically connected with the smoke detection sensor through a controller.
The beneficial effects of the invention are: the process can recover heat in petroleum coke gas through heat exchange, recover the heat into the calcining furnace, and enable the calcining furnace to burn more sufficiently and quickly, thereby reducing burning raw materials such as asphalt and the like, saving calcining cost and preventing the heat of flue gas from losing, recover the petroleum coke dust in the flue gas through the multi-tube cyclone dust collector and then convey the petroleum coke dust into the calcining furnace, avoiding resource waste, and enable the unburned petroleum coke dust to be reused in the furnace again, thereby saving resources and reducing cost, moreover, the flue gas is treated through a double alkali desulfurization technology and a spray semi-dry desulfurization technology, the flue gas can be thoroughly cleaned and purified through the electrostatic dust collector and the smoke washing box, the purified flue gas can be detected, and the flue gas is conveyed into the multi-tube cyclone dust collector or the double alkali desulfurization box or the spray semi-dry desulfurization box or the electrostatic dust collector or the organic liquid smoke washing box for purification treatment according to detection data, thereby the flue gas is discharged more up to standard, the environment is protected, and the energy consumption is also reduced.
Drawings
FIG. 1 is a block diagram of a process of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the invention.
Example (b): referring to fig. 1, the present invention provides a technical solution: a process for treating low-middle sulfur calcined petroleum coke flue gas comprises the following specific steps:
s1: mixing and crushing delayed stone tar and asphalt raw materials, then putting the mixture into a calcining furnace, and calcining the mixture by the calcining furnace;
s2: petroleum coke gas generated after calcination is respectively conveyed into heat exchange pipes in the heat exchange box A and the heat exchange box B.once.the heat exchange pipes in the heat exchange box N, and heat on the heat exchange pipes is pumped by a blower and conveyed into a calcination furnace;
s3: cooling the petroleum coke gas after heat exchange through a cooling tower, wherein the cooled petroleum coke gas can generate flue gas, then conveying the flue gas into a multi-tube cyclone dust collector for dust removal treatment, and conveying the treated petroleum coke dust into a calcining furnace to provide a combustion raw material;
s4: the flue gas is treated by the multi-pipe cyclone dust collector and then conveyed into a double-alkali method desulfurization box for first desulfurization treatment;
s5: the flue gas after the first desulfurization treatment enters a spray semi-dry desulfurization box again for second desulfurization;
s6: entering the electrostatic precipitator after the second desulfurization, and performing dust removal treatment through the electrostatic precipitator;
s7: and finally cleaning the smoke through an organic liquid smoke cleaning box, returning the content of residual quantity in the smoke to S4 or S5 or S6 or S7 according to different contents of the residual quantity in the smoke through a smoke detection sensor, and discharging the smoke until the smoke is purified to reach the standard.
S1 crushing the delayed stone tar and the asphalt raw materials respectively through a jaw crusher, then putting the crushed delayed stone tar and the crushed asphalt raw material slag into a mixing and stirring cylinder for mixing and stirring, crushing again through a counterattack crusher, and then putting the mixture of the delayed stone tar and the asphalt raw materials into a calcining furnace through a loading vehicle; the calcining temperature of a calcining furnace in S1 is 1000-1100 ℃; a plurality of heat exchange boxes are arranged, and the heat exchange tube in each heat exchange box is connected with the smoke exhaust tube of the calcining furnace through a connecting tube and an electromagnetic valve; the multi-pipe cyclone dust collector is connected with the calcining furnace through a backflow conveying pipeline; sodium carbonate and sodium hydroxide are arranged inside the double-alkali desulfurization box, and lime milk is arranged inside the spraying semi-dry desulfurization box; the inside of the organic liquid smoke washing box adopts organic liquid as an absorbent, and the absorbent is in countercurrent contact with smoke to wash smoke.
The multi-pipe cyclone dust collector, the double-alkali desulfurization box, the spray semi-dry desulfurization box, the electrostatic dust collector and the organic liquid smoke washing box are all connected with a smoke exhaust pipeline on the smoke detection box through a connecting pipeline, an electromagnetic valve is installed on the connecting pipeline, and the electromagnetic valve is electrically connected with the smoke detection sensor through a controller.
The working principle is as follows: a process for treating low-middle sulfur calcined petroleum coke flue gas comprises the following specific steps:
s1: mixing and crushing the delayed stone tar and the asphalt raw materials, then putting the mixture into a calcining furnace, and calcining the mixture through the calcining furnace;
s2: petroleum coke gas generated after calcination is respectively conveyed into heat exchange pipes in the heat exchange box A and the heat exchange box B.once.heat exchange box N through smoke pipes, heat on the heat exchange pipes is pumped by an air blower and conveyed into a calcination furnace;
s3: cooling the petroleum coke gas after heat exchange by a cooling tower, wherein the cooled petroleum coke gas can generate flue gas, then conveying the flue gas into a multi-tube cyclone dust collector for dust removal treatment, and conveying the treated petroleum coke dust into a calcining furnace to provide a combustion raw material;
s4: the multi-tube cyclone dust collector processes the flue gas and then conveys the flue gas into a dual-alkali method desulfurization box for first desulfurization treatment, sulfur dioxide is converted into special acid sodium sulfite under certain environment by utilizing the dual-alkali method desulfurization by virtue of the special properties of sodium carbonate and sodium hydroxide, and the sulfur dioxide finally converges into solid calcium sulfate after the chemical reaction is carried out by combining with the calcium hydroxide, so that the aim of effectively decomposing the sulfur dioxide is fulfilled;
s5: the flue gas after the first desulfurization treatment enters a spray semi-dry desulfurization box for second desulfurization, lime is emulsified after being added with water by adopting a spray semi-dry desulfurization method, the lime is conveyed to an absorption tower by using industrial equipment, and the lime emulsion reacts with sulfur dioxide in air smoke along with smoke generated by calcining petroleum coke so as to absorb the sulfur dioxide;
s6: entering the electrostatic precipitator after the second desulfurization, and performing dust removal treatment through the electrostatic precipitator;
s7: and finally cleaning the smoke through an organic liquid smoke cleaning box, wherein the organic liquid is used as an absorbent, so that the mixed smoke of the tar fume and the absorbent is in countercurrent full contact, and toxic and harmful substances in the smoke are cleaned and removed, thereby achieving the purpose of purification, the content of residual quantity in the smoke is respectively returned to S4 or S5 or S6 or S7 through a smoke detection sensor after the cleaned smoke passes through the smoke detection sensor, and the smoke is discharged after the smoke purification treatment reaches the standard.
The process can carry out heat exchange recovery on heat in petroleum coke gas, recover the heat into the calcining furnace, ensure that the calcining furnace burns more sufficiently and quickly, thereby reducing burning raw materials such as asphalt and the like, saving calcining cost, preventing the heat loss of flue gas, recover the petroleum coke dust in the flue gas through the multi-tube cyclone dust collector and then convey the petroleum coke dust into the calcining furnace, avoiding resource waste, reusing the unburned petroleum coke dust in the furnace, saving resources and reducing cost, treat the flue gas through a double-alkali desulfurization technology and a spray semi-dry desulfurization technology, thoroughly clean and purify the flue gas through the electrostatic dust collector and the smoke washing box, detect the purified flue gas, convey the flue gas into the multi-tube cyclone dust collector or the double-alkali desulfurization box or the spray semi-dry desulfurization box or the electrostatic dust collector or the organic liquid smoke washing box for purification treatment according to detection data, thereby the flue gas is discharged more up to standard, the environment is protected, and the energy consumption is also reduced.
The above examples only show several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (8)

1. A process for treating low-middle sulfur calcined petroleum coke flue gas is characterized by comprising the following steps: the method comprises the following specific steps:
s1: mixing and crushing the delayed stone tar and the asphalt raw materials, then putting the mixture into a calcining furnace, and calcining the mixture through the calcining furnace;
s2: petroleum coke gas generated after calcination is respectively conveyed into heat exchange pipes in the heat exchange box A and the heat exchange box B.once.the heat exchange pipes in the heat exchange box N, and heat on the heat exchange pipes is pumped by a blower and conveyed into a calcination furnace;
s3: cooling the petroleum coke gas after heat exchange by a cooling tower, wherein the cooled petroleum coke gas can generate flue gas, then conveying the flue gas into a multi-tube cyclone dust collector for dust removal treatment, and conveying the treated petroleum coke dust into a calcining furnace to provide a combustion raw material;
s4: the flue gas is treated by a multi-pipe cyclone dust collector and then conveyed into a double-alkali method desulfurization box for primary desulfurization treatment;
s5: the flue gas after the first desulfurization treatment enters a spray semi-dry desulfurization box again for second desulfurization;
s6: entering the electrostatic precipitator after the second desulfurization, and performing dust removal treatment through the electrostatic precipitator;
s7: and finally cleaning the smoke through an organic liquid smoke cleaning box, returning the content of residual quantity in the smoke to S4 or S5 or S6 or S7 according to different contents of the residual quantity in the smoke through a smoke detection sensor, and discharging the smoke until the smoke is purified to reach the standard.
2. The process for treating the low-sulfur calcined petroleum coke flue gas as claimed in claim 1, wherein the process comprises the following steps: s1 delay stone tar and asphalt raw materials are respectively crushed by a jaw crusher, then crushed delay stone tar and asphalt raw material slag are put into a mixing and stirring cylinder to be stirred and mixed, and then crushed again by a reaction crusher, and then the mixture of the delay stone tar and the asphalt raw materials is put into a calcining furnace by a loading vehicle.
3. The process for treating the low-sulfur calcined petroleum coke flue gas as claimed in claim 1, wherein the process comprises the following steps: the calcining temperature of the calcining furnace in the S1 is 1000-1100 ℃.
4. The process for treating the low-sulfur calcined petroleum coke flue gas as claimed in claim 1, wherein the process comprises the following steps: a plurality of heat exchange boxes are arranged, and the heat exchange tubes in each heat exchange box are connected with the smoke exhaust tube of the calcining furnace through connecting tubes and electromagnetic valves.
5. The process for treating the low-sulfur calcined petroleum coke flue gas as claimed in claim 1, wherein the process comprises the following steps: the multi-pipe cyclone dust collector is connected with the calcining furnace through a backflow conveying pipeline.
6. The process for treating the low-sulfur calcined petroleum coke flue gas as claimed in claim 1, wherein the process comprises the following steps: the inside of the double-alkali desulfurization box is provided with sodium carbonate and sodium hydroxide, and the inside of the spraying semi-dry desulfurization box is provided with lime milk.
7. The process for treating the low-sulfur calcined petroleum coke flue gas as claimed in claim 1, wherein the process comprises the following steps: the organic liquid is used as an absorbent in the organic liquid smoke washing box, and the absorbent is in countercurrent contact with smoke to wash smoke.
8. The process for treating the middle-low sulfur calcined petroleum coke flue gas as claimed in claim 1, wherein the process comprises the following steps: the multi-pipe cyclone dust collector, the double-alkali desulfurization box, the spray semi-dry desulfurization box, the electrostatic dust collector and the organic liquid smoke washing box are all connected with a smoke exhaust pipeline on the smoke detection box through a connecting pipeline, an electromagnetic valve is installed on the connecting pipeline, and the electromagnetic valve is electrically connected with the smoke detection sensor through a controller.
CN202210601442.6A 2022-05-30 2022-05-30 Medium-low sulfur calcined petroleum coke flue gas treatment process Pending CN114768508A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116850763A (en) * 2023-08-30 2023-10-10 济宁市嘉祥生态环境监控中心 High-efficient thermal power flue gas desulfurization purification treatment device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009015027A1 (en) * 2009-03-26 2010-09-30 Wilkening, Siegfried, Dr.-Ing. Green petroleum coke desulfurization involves performing calcination of petroleum coke in vertical muffle using hydrogen in temperature zone and producing hydrogen by reaction of steam with calcined petroleum coke in high-temperature zone

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009015027A1 (en) * 2009-03-26 2010-09-30 Wilkening, Siegfried, Dr.-Ing. Green petroleum coke desulfurization involves performing calcination of petroleum coke in vertical muffle using hydrogen in temperature zone and producing hydrogen by reaction of steam with calcined petroleum coke in high-temperature zone

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李岩: "蒸汽余热锅炉系统的烟气净化", 《冶金与材料》, vol. 39, no. 2, pages 138 - 139 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116850763A (en) * 2023-08-30 2023-10-10 济宁市嘉祥生态环境监控中心 High-efficient thermal power flue gas desulfurization purification treatment device
CN116850763B (en) * 2023-08-30 2024-02-23 济宁市嘉祥生态环境监控中心 High-efficient thermal power flue gas desulfurization purification treatment device

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