CN111151089A - Coke oven dust pelletizing system - Google Patents
Coke oven dust pelletizing system Download PDFInfo
- Publication number
- CN111151089A CN111151089A CN201911356182.5A CN201911356182A CN111151089A CN 111151089 A CN111151089 A CN 111151089A CN 201911356182 A CN201911356182 A CN 201911356182A CN 111151089 A CN111151089 A CN 111151089A
- Authority
- CN
- China
- Prior art keywords
- smoke
- hood
- dust
- filter bag
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- 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
- C10B33/00—Discharging devices; Coke guides
- C10B33/003—Arrangements for pollution-free discharge
-
- 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
- C10B37/00—Mechanical treatments of coal charges in the oven
- C10B37/02—Levelling charges, e.g. with bars
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- 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
- C10B43/00—Preventing or removing incrustations
Abstract
The invention discloses a coke oven dust removal system which comprises a smoke collection assembly, a smoke pretreatment device, a cyclone filter bag integrated smoke treatment assembly and a smoke discharge assembly, wherein the smoke collection assembly comprises a flow guide device, an integrated smoke hood, a cross wind baffle, a flat coal smoke absorption first cover, a flat coal smoke absorption second cover, a coke pushing smoke absorption hood, a door cleaning smoke absorption hood, a wind valve, a dust removal pipeline and a lower suction port device, the cyclone filter bag integrated smoke treatment assembly comprises a cyclone device and a filter bag device, the smoke pretreatment device is connected between the dust removal pipeline and the cyclone filter bag integrated smoke treatment assembly, and the smoke discharge assembly comprises a fan and a chimney. The dust collecting efficiency of the coke oven dust removing system is obviously improved, the whole service life is prolonged, and the occupied area is reduced.
Description
Technical Field
The invention relates to the technical field of coke oven dust removal, in particular to a coke oven dust removal system.
Background
The coke is used as a core raw material for blast furnace ironmaking and has an irreplaceable effect. However, during the coke production process, a large amount of smoke is generated, and the pollution to the surrounding environment is serious. When the smoke dust is collected in the existing coke production equipment, the collection efficiency is not high, and a large amount of smoke dust is dissipated outside the dust hood; the existing smoke dust treatment mode is a cloth bag type dust removal mode, on one hand, the required installation area of a cloth bag type dust removal device is large, and on the other hand, the service life of a cloth bag is short.
Disclosure of Invention
The invention aims to solve the technical problems of the coke oven smoke dust in the prior art of escaping and environmental pollution by designing a dust removal system adopting a new smoke dust collecting and processing mode and effectively overcome the defect of cloth bag type dust removal in the prior art.
Therefore, the invention provides a coke oven dust removal system, which comprises a smoke dust collection assembly, a smoke dust pretreatment device, a cyclone filter bag integrated smoke dust treatment assembly and a smoke dust discharge assembly, wherein: the smoke dust collecting component comprises a flow guide device, an integrated smoke hood, a cross wind baffle, a first coal-leveling smoke hood, a second coal-leveling smoke hood, a coke pushing smoke hood, a door cleaning smoke hood, an air valve, a dust removal pipeline and a lower suction port device, the flow guide device is arranged on the coke oven body, the integrated smoke hood is arranged at the front part of a double-layer platform of the coke pusher, the cross wind baffle plates are arranged on two sides of a first layer of platform of the coke pusher, the first flat coal smoke suction cover, the second flat coal smoke suction cover, the coke pushing smoke suction hood and the door cleaning smoke suction hood are arranged on the top of the integrated smoke hood, the lower suction port device is arranged on a two-layer platform of the coke pusher, the first flat coal smoke suction hood, the second flat coal smoke suction hood, the coke pushing smoke suction hood and the door cleaning smoke suction hood are respectively communicated with the dust removal pipeline through connecting pipes, and the air valve is arranged between each connecting pipe and the dust removal pipeline; the cyclone filter bag integrated smoke dust processing assembly is arranged on a platform of the coke pusher and comprises a cyclone device and a filter bag device; the smoke dust pretreatment device is connected between the dust removal pipeline and the cyclone filter bag integrated smoke dust treatment assembly; the smoke and dust discharging assembly comprises a fan and a chimney, the fan is installed on a layer of platform of the coke pusher, the chimney is installed at the outlet of the fan through a support, and the fan is connected between an outlet pipeline of the cyclone filter bag integrated smoke and dust processing assembly and the chimney.
Preferably, in the coke oven dust removal system, the filter bag device of the cyclone filter bag integrated smoke treatment assembly is formed by a pleated filter bag.
The coke oven dust removal system is provided with the integrated smoke hood, the cross wind baffle and the lower suction port device, so that the smoke dust collection efficiency of the coke oven dust removal system is obviously improved, and smoke dust is effectively prevented from escaping to the outside of the dust hood; in addition, the cyclone filter bag integrated smoke dust treatment component is arranged in the coke oven dust removal system, so that on one hand, the whole service life of the dust removal system is prolonged because the cyclone filter bag integrated smoke dust treatment component can remove large particles and fine dust particles in smoke dust, and on the other hand, because the cyclone device and the filter bag device are integrated into a whole structural form and the filter bag device is formed by the fold type filter bag, the filtering area of the cyclone filter bag integrated smoke dust treatment component is increased and the occupied area of the dust removal system is reduced.
Drawings
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a coke oven dust removal system of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a schematic view of the main components of a smoke collection assembly in the coke oven dust removal system of the present invention;
FIG. 5 is a schematic view of a cyclone filter bag integrated smoke treatment assembly in the coke oven dust removal system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1, 2, 3, 4 and 5, the coke oven dust removal system comprises a smoke collection assembly, a smoke pretreatment device, a cyclone filter bag integrated smoke treatment assembly and a smoke discharge assembly. The smoke dust collecting component comprises a flow guide device 1, an integrated smoke hood 2, a cross wind baffle 3, a first coal-leveling smoke-absorbing hood 4, a second coal-leveling smoke-absorbing hood 5, a coke pushing smoke-absorbing hood 6, a door cleaning smoke-absorbing hood 7, an air valve 8, a dust removing pipeline 9 and a lower suction port device 10, wherein, guiding device 1 is installed on the coke oven body, integration petticoat pipe 2 is installed in the front portion of the double-deck platform of coke pusher, crosswind baffle 3 is installed in the one deck platform both sides of coke pusher, flat coal smoking first cover 4, flat coal smoking second cover 5, coke pusher petticoat pipe 6 and clear door petticoat pipe 7 are installed at the top of integration petticoat pipe 2, lower part suction inlet device 10 is installed on the double-deck platform of coke pusher, flat coal smoking first cover 4, flat coal smoking second cover 5, coke pusher petticoat pipe 6, clear door petticoat pipe 7 communicate in dust removal pipeline 9 via the connecting pipe respectively, and be provided with blast gate 8 between each connecting pipe and dust removal pipeline 9. The cyclone filter bag integrated smoke processing component 12 is arranged on a platform of a coke pusher and comprises a cyclone device 16 and a filter bag device 17. The smoke dust pretreatment device 11 is connected between the dust removal pipeline 9 of the smoke dust collection assembly and the cyclone filter bag integrated smoke dust treatment assembly 12. The smoke discharge assembly comprises a fan 13 and a chimney 14, the fan 13 is installed on a layer of platform of the coke pusher, the chimney 14 is installed at the outlet of the fan 13 through a support 15, and the fan 13 is connected between an outlet pipeline of the cyclone filter bag integrated smoke treatment assembly 12 and the chimney 14.
Preferably, the filter bag arrangement 17 of the cyclone filter bag integrated fume treatment assembly 12 is comprised of pleated filter bags.
The working process of the coke oven dust removal system provided by the invention is as follows: when the coke pushing vehicle carries out coke pushing operation, smoke dust in the carbonization chamber enters the integrated smoke hood 2 through the flow guiding effect of the flow guiding device 1 and is sucked into the dust removal pipeline 9 through the coke pushing smoke absorption hood 6; when the coke pusher is used for leveling coal, smoke dust generated at a small furnace door is guided into the integrated smoke hood 2 through the flow guide device 1 and then is sucked into the dust removal pipeline 9 through the leveling coal smoke suction hood 4; when the coal leveling operation is finished, the smoke dust brought out when the coal leveling rod exits from the small furnace door is sucked into the dust removal pipeline 9 through the coal leveling smoke absorption second cover 5; when the coke pushing operation is finished, 80% of smoke dust generated when the large and small sliding shoes of the coke pushing rod exit the carbonization chamber is sucked into the dust removal pipeline 9 through the lower suction port device 10, and the rest 20% of smoke dust is lifted to the top of the integrated smoke hood 2 under the action of thermal buoyancy and is sucked into the dust removal pipeline 9 through the coke pushing smoke hood 6; when the coke pusher is used for cleaning the door, smoke dust generated at the door cleaning opening is guided into the integrated smoke hood 2 through the flow guide device 1 and is sucked into the dust removal pipeline 9 through the door cleaning smoke suction hood 7; the smoke dust sucked into the dust removal pipeline 9 through the first flat coal smoking cover 4, the second flat coal smoking cover 5, the coke pushing smoke absorption cover 6 and the door cleaning smoke absorption cover 7 is subjected to removal of sparks or tar in the smoke dust through the pretreatment device 11, then enters the cyclone device 16 of the cyclone filter bag integrated smoke dust treatment component 12 to remove large particles in the smoke dust, and then enters the filter bag device 17 of the cyclone filter bag integrated smoke dust treatment component 12 to remove fine particles; the smoke processed by the cyclone filter bag integrated smoke processing component 12 enters the smoke tube 14 through the fan 13, and finally the smoke meeting the environmental protection standard is discharged into the atmosphere. In addition, in the working process of the coke oven dust removal system, the cross wind baffles 3 arranged on two sides of a first-layer platform of the coke pusher block the blowing-off effect of cross wind in front of the coke oven on smoke dust in the carbonization chamber, thereby being beneficial to the effective collection of the smoke dust.
Compared with the prior art, the coke oven dust removal system has the following advantages and beneficial effects:
1. the prior art dust removal system is not provided with an integrated smoke hood and a cross wind baffle, and when the coke oven is discharged, a large amount of polluted gases such as smoke, dust and the like directly flow into the atmosphere to pollute the environment due to limited suction force of each smoke hood and the influence of cross wind; in addition, the dust removing system in the prior art is not provided with a lower suction port device, and smoke dust is seriously dissipated when the large and small sliding shoes of the coke pushing rod exit the carbonization chamber, so that the health of operators in front of the furnace is influenced. The integrated smoke hood in the coke oven dust removal system is arranged at the front part of a second-layer platform of the coke pusher and can simultaneously cover a plurality of coking chambers, smoke and dust generated during coke discharging are all collected in the smoke hood, the first flat coal smoke suction hood, the second flat coal smoke suction hood, the coke pushing smoke suction hood and the door cleaning smoke suction hood suck smoke and dust collected by the integrated smoke hood into the dust removal pipeline, 80% of smoke and dust generated when a coke pushing rod is large and small sliding shoes exit from the coking chambers are sucked into the dust removal pipeline by the lower suction port device, the rest 20% of smoke and dust rise to the top through the action of thermal buoyancy and are sucked into the dust removal pipeline through the coke pushing smoke suction hood, and meanwhile, the cross wind baffle plate blocks cross wind in front of the coke oven from blowing the smoke and dust in the coking chambers, thereby being more beneficial to the effective collection. Therefore, the dust collecting efficiency of the coke oven dust removing system is obviously improved, and the dust is prevented from being dissipated out of the dust collecting cover.
2. Moreover, the dust removal system in the prior art adopts the bag-type dust remover, and occupies large installation space and has short service life of the bag when the same smoke amount is treated and the same emission standard is achieved. The cyclone filter bag integrated smoke dust treatment component with the secondary dust removal function in the coke oven dust removal system can remove large particles contained in smoke dust through the cyclone device and remove fine particles contained in the smoke dust through the fold type filter bag device, so that the integral service life of the dust removal system is prolonged; in addition, the cyclone device and the filter bag device are integrated into a whole structure, so that the occupied area is reduced; and because the filter bag device is formed by the fold-type filter bag, the filtering area of the cyclone filter bag integrated smoke dust processing component is increased, and the occupied area is further reduced.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper", "lower", "inner", "outer", "top", "bottom", and the like herein are referred to as the state of being placed as shown in the drawings.
It should be further noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or alterations do not depart from the spirit of the invention.
Claims (2)
1. The coke oven dust removal system is characterized by comprising a smoke collecting assembly, a smoke pretreatment device, a cyclone filter bag integrated smoke treatment assembly and a smoke discharging assembly, wherein:
the smoke dust collecting component comprises a flow guide device, an integrated smoke hood, a cross wind baffle, a first coal-leveling smoke hood, a second coal-leveling smoke hood, a coke pushing smoke hood, a door cleaning smoke hood, an air valve, a dust removal pipeline and a lower suction port device, the flow guide device is arranged on the coke oven body, the integrated smoke hood is arranged at the front part of a double-layer platform of the coke pusher, the cross wind baffle plates are arranged on two sides of a first layer of platform of the coke pusher, the first flat coal smoke suction cover, the second flat coal smoke suction cover, the coke pushing smoke suction hood and the door cleaning smoke suction hood are arranged on the top of the integrated smoke hood, the lower suction port device is arranged on a two-layer platform of the coke pusher, the first flat coal smoke suction hood, the second flat coal smoke suction hood, the coke pushing smoke suction hood and the door cleaning smoke suction hood are respectively communicated with the dust removal pipeline through connecting pipes, and the air valve is arranged between each connecting pipe and the dust removal pipeline;
the cyclone filter bag integrated smoke dust processing assembly is arranged on a platform of the coke pusher and comprises a cyclone device and a filter bag device;
the smoke dust pretreatment device is connected between the dust removal pipeline and the cyclone filter bag integrated smoke dust treatment assembly;
the smoke and dust discharging assembly comprises a fan and a chimney, the fan is installed on a layer of platform of the coke pusher, the chimney is installed at the outlet of the fan through a support, and the fan is connected between an outlet pipeline of the cyclone filter bag integrated smoke and dust processing assembly and the chimney.
2. The coke oven dust collection system of claim 1 wherein the filter bag means of the cyclone filter bag integrated soot treatment assembly is comprised of pleated filter bags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356182.5A CN111151089B (en) | 2019-12-25 | 2019-12-25 | Coke oven dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356182.5A CN111151089B (en) | 2019-12-25 | 2019-12-25 | Coke oven dust pelletizing system |
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| Publication Number | Publication Date |
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| CN111151089A true CN111151089A (en) | 2020-05-15 |
| CN111151089B CN111151089B (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911356182.5A Active CN111151089B (en) | 2019-12-25 | 2019-12-25 | Coke oven dust pelletizing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113713542A (en) * | 2021-08-20 | 2021-11-30 | 太原重工股份有限公司 | Cyclone and filtering composite dust remover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113713542A (en) * | 2021-08-20 | 2021-11-30 | 太原重工股份有限公司 | Cyclone and filtering composite dust remover |
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| Publication number | Publication date |
|---|---|
| CN111151089B (en) | 2022-03-29 |
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