CN113060569B - Ultra-long train coke bin dust removal system and method - Google Patents
Ultra-long train coke bin dust removal system and method Download PDFInfo
- Publication number
- CN113060569B CN113060569B CN202110336114.3A CN202110336114A CN113060569B CN 113060569 B CN113060569 B CN 113060569B CN 202110336114 A CN202110336114 A CN 202110336114A CN 113060569 B CN113060569 B CN 113060569B
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- Prior art keywords
- train
- dust
- coke
- dust removal
- side suction
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- 239000000428 dust Substances 0.000 title claims abstract description 124
- 239000000571 coke Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000779 smoke Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000000746 purification Methods 0.000 claims description 13
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 239000013589 supplement Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/04—Loading land vehicles
- B65G67/06—Feeding articles or materials from bunkers or tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
- B65G69/182—Preventing escape of dust by means of sealed systems with aspiration means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Aviation & Aerospace Engineering (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a dust removing system and a dust removing method for a coke bin of an ultralong train, wherein the system comprises a closed gallery, a side suction hood, a dust removing pipeline and a dust purifying unit; a plurality of groups of train coke loading cabins are arranged above the train carriages corresponding to the train coke loading positions, and the closed gallery is used for forming a closed train coke loading channel on the train Jiao Weixing and sealing the discharge opening of the train coke loading cabins and the train; along the longitudinal direction of the train, one side or two sides of the coke loading and unloading point are provided with a plurality of side suction covers, the side suction covers are connected with a dust removing pipeline arranged outside the closed gallery, and a dust gas outlet of the dust removing pipeline is connected with a dust purifying unit. The closed channel is arranged at the train coke loading position, and the smoke dust at the collecting and discharging point is discharged after being purified, so that the influence of external transverse wind is reduced, the problem of secondary dust emission is effectively solved, and the operating environment of train coke loading is improved to the maximum extent; the adoption of the partition dust removal mode is beneficial to the balance of resistance of the dust removal pipeline, the dust removal of each area is not affected, and the control mode is more flexible and simple.
Description
Technical Field
The invention relates to the technical field of dust removal in a coke transportation process, in particular to a dust removal system and method for a coke bin of an ultralong train.
Background
The transportation mode of train coke loading and transporting is gradually popularized, and along with the increase of transportation quantity, the scale of the train coke loading bin is gradually increased, and an ultra-long train coke loading bin of hundreds of meters is generated. At present, dry quenching is adopted for coke, the water content of the coke is low, so that dust emission is serious when a train is charged with coke, and the secondary dust formation of external transverse wind causes industrial dust flow, thereby seriously affecting the surrounding environment and the health of operators. But no effective measure is available at present for controlling dust in a coke loading bin of an ultra-long train.
Disclosure of Invention
The invention provides a dust removing system and a dust removing method for a coke bin of an ultra-long train, wherein a closed channel is arranged at a coke loading position of the train, and smoke dust at a discharge point is collected and discharged after being purified, so that the influence of external transverse wind is reduced, the problem of secondary dust emission is effectively solved, and the operating environment of coke loading of the train is improved to the maximum extent; the adoption of the partition dust removal mode is beneficial to the balance of resistance of the dust removal pipeline, the dust removal of each area is not affected, and the control mode is more flexible and simple.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
A dust removal system of an ultra-long train coke bin comprises a closed gallery, a side suction hood, a dust removal pipeline and a dust purification unit; a plurality of groups of train coke loading cabins are arranged above the train carriages corresponding to the train coke loading positions, and the closed gallery is used for forming a closed train coke loading channel on the train loading Jiao Weixing and sealing the discharge opening of the train coke loading cabins and the train; along the longitudinal direction of the train, one side or two sides of the coke loading and unloading point are provided with a plurality of side suction covers, the side suction covers are connected with a dust removing pipeline arranged outside the closed gallery, and a dust gas outlet of the dust removing pipeline is connected with a dust purifying unit.
The side suction hood is arranged in the closed gallery, an air inlet of the side suction hood is close to a Jiao Xieliao point, and the neck of the side suction hood is connected with the dust removal pipeline through a dust removal branch pipe.
The closed gallery is longitudinally divided into a plurality of areas, and each area is correspondingly provided with an area dust purifying unit; the side suction hoods of all the areas are respectively connected with the corresponding area dust purification units through corresponding dust removal pipelines.
The dust purification unit consists of a bag type dust collector, a dust removal fan and a chimney which are sequentially connected through pipelines.
The regional dust purification unit consists of a bag type dust collector, a dust removal fan and a chimney which are sequentially connected through pipelines.
A control valve is arranged on the dust removing branch pipe close to the side suction hood.
The control valve is a manual butterfly valve.
The top of the closed gallery is provided with a plurality of skylights, the side face is provided with a plurality of side windows and a plurality of air inlets, and the air inlets are provided with air inlet rainproof shutters.
And the closed gallery is provided with side doors in each area respectively.
A dust removal method for a coke bin of an ultra-long train comprises the following steps:
The opening of the manual butterfly valve corresponding to each side suction hood is adjusted in advance, and when a train carriage in a certain area performs coke loading operation after the train stops at a coke loading position of the train, coke falls into the corresponding train carriage from a discharge opening at the bottom of the coke loading bin of the train; at the moment, the dust removing fan in the corresponding area is started, external air enters the corresponding area through the air inlet rainproof shutter to perform natural air supplementing, an organized area type flow field is formed, smoke dust generated by coke loading is collected through the corresponding side suction cover, then enters the corresponding area dust purifying unit through the dust removing pipeline, and is discharged to the atmosphere after being purified.
Compared with the prior art, the invention has the beneficial effects that:
1) The closed gallery is adopted, so that the influence of external transverse wind is reduced, the problem of secondary dust emission during train coke loading is effectively solved, and the operating environment of train coke loading is improved to the greatest extent.
2) The dust removal air quantity of each region is relatively small by adopting a regional dust removal mode, and the requirements can be met by adopting a small bag type dust remover; and a manual valve is arranged on the dust removing branch pipe close to the side suction hood for adjustment, so that the initial investment and the operation cost of the dust removing system are reduced.
3) The partition dust removal mode is favorable for balancing the resistance of the dust removal pipeline, the dust removal of each area is not affected, and the control mode is more flexible and simple.
4) By arranging the side door, workers can conveniently enter the closed gallery to observe the coke loading condition; by arranging the side window, the skylight and the air inlet, the light environment in the train coke-loading closed channel is ensured, and meanwhile, the air quality in the train is also ensured.
Drawings
Fig. 1 is a schematic structural view of a dust removal system for a coke bin of an ultra-long train.
Fig. 2 is A-A view of fig. 1.
In the figure: 1. the system comprises a closed gallery 2, a side suction cover 3, a manual butterfly valve 4, a dust removing pipeline 5, an area dust purifying unit 6, a bag type dust remover 7, a dust removing fan 8, a chimney 9, a skylight 10, a side window 11, a side door 12, an air inlet rainproof shutter 13, a train carriage 14 and a train coke loading bin
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
As shown in fig. 1 and 2, the ultra-long train coke bin dust removing system comprises a closed gallery 1, a side suction hood 2, a dust removing pipeline 4 and a dust purifying unit; a plurality of groups of train coke loading cabins 14 are arranged above the train carriages 13 corresponding to the train coke loading positions, and the closed gallery 1 is used for forming a closed train coke loading channel in the train loading Jiao Weixing and sealing the discharge opening of the train coke loading cabins 14 and the train; along the longitudinal direction of the train, one side or two sides of the coke loading and unloading point are provided with a plurality of side suction hoods 2, the side suction hoods 2 are connected with a dust removing pipeline 4 arranged outside the closed gallery 1, and a dust gas outlet of the dust removing pipeline 4 is connected with a dust purifying unit.
The side suction cover 2 is arranged in the closed gallery 1, an air inlet of the side suction cover 2 is close to a Jiao Xieliao point, and the neck of the side suction cover 2 is connected with the dust removal pipeline 4 through a dust removal branch pipe.
The closed gallery 1 is longitudinally divided into a plurality of areas, and each area is correspondingly provided with an area dust purifying unit 5; the side suction hoods 2 of each region are respectively connected with the corresponding region dust purifying units 5 through corresponding dust removing pipelines 4.
The dust purification unit consists of a bag type dust collector 6, a dust removal fan 7 and a chimney 8 which are sequentially connected through pipelines.
The regional dust purification unit consists of a bag type dust collector 6, a dust removal fan 7 and a chimney 8 which are sequentially connected through pipelines.
A control valve is arranged on the dust removing branch pipe close to the side suction hood 2.
The control valve is a manual butterfly valve 3.
The top of the closed gallery 1 is provided with a plurality of skylights 9, the side surfaces of the closed gallery are provided with a plurality of side windows 10 and a plurality of air inlets, and the air inlets are provided with air inlet rainproof shutters 12.
The closed gallery 1 is provided with side doors 11 in each region.
A dust removal method for a coke bin of an ultra-long train comprises the following steps:
the opening of the manual butterfly valve 3 corresponding to each side suction hood 2 is adjusted in advance, and when a train carriage 13 in a certain area performs coke loading operation after the train stops at a coke loading position of the train, coke falls into the corresponding train carriage 13 from a discharge opening at the bottom of a coke loading bin 14 of the train; at this time, the dust removing fan 7 in the corresponding area is started, external air enters the corresponding area through the air inlet rainproof louver 12 to perform natural air supplement, an organized area flow field is formed, smoke dust generated by coke loading is collected through the corresponding side suction cover 2, then enters the corresponding area dust purifying unit 5 through the dust removing pipeline 4, and is discharged into the atmosphere after being purified.
The following examples are given by way of illustration of detailed embodiments and specific procedures based on the technical scheme of the present invention, but the scope of the present invention is not limited to the following examples. The methods used in the examples described below are conventional methods unless otherwise specified.
Examples
As shown in fig. 1 and 2, in this embodiment, an ultralong train coke bin dust removal system includes a closed gallery 1, a side suction hood 2, a manual butterfly valve 3, a dust removal pipe 4, and a regional dust purification unit 5.
The closed gallery 1 is arranged at the lower part of the train coke loading bin 13, the space around the discharge opening and the train is totally closed, the closed gallery 1 is divided into a plurality of areas, a plurality of side suction hoods 2 are arranged in each area, and the side suction hoods 2 are connected with the corresponding area dust purification units 5 through dust removal pipelines 4.
The regional dust purification unit 5 comprises a bag type dust collector 6, a dust removal fan 7 and a chimney 8.
The closed gallery 1 is provided with a plurality of openable skylights 9, side windows 10, side doors 11 and air inlet rainproof shutters 12.
In the embodiment, two sides of each coke loading and unloading point are oppositely provided with a side suction cover 2 and an air inlet rainproof shutter 12; the side suction cover 2 is connected with a dust removing pipeline 4 through a dust removing branch pipe, a manual butterfly valve 3 is arranged on the dust removing branch pipe close to the side suction cover 2, and the side suction cover 2, the air inlet rainproof shutter 12 and the mounting Jiao Xieliao are arranged in one-to-one correspondence.
The total number of the coke-loading bins 14 of the train is 100, the total length is 690m, the closed gallery 1 is divided into 3 areas, and the length of each area is 230m; each region is correspondingly provided with a set of region dust purifying units 5. The total air quantity of the dust purification units 5 in each area is 480000 m 3/h, and each area is provided with 16 side suction hoods 2 which are arranged in one-to-one correspondence with the railway carriages 13.
In each area, 16 skylights 9 and 16 side windows 10 are respectively arranged on two sides of the closed gallery 1, so that enough lighting is ensured in the closed channel, the skylights 9 and the side windows 10 are opened when no train is used for coke loading, good natural ventilation is formed, and the air quality in the closed channel is ensured. In each region, the closed gallery 1 is relatively provided with 2 side doors 11, so that operators can conveniently enter and observe the coke loading condition.
After the opening degree of the manual butterfly valve 3 on each side suction hood 2 is adjusted in advance, when a train in a certain area is filled with coke, the coke falls into the train carriage 13 from the discharge opening of the coke-filling bin 14 of the train, at the moment, the dust-removing fan 7 in the area is started, external air enters the area from the rain-proof shutter 12 to carry out natural air supplement, an organized area flow field is formed, and smoke dust generated by coke filling enters the bag type dust collector 6 through the side suction hoods 2 to be purified and then is discharged into the atmosphere.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The ultra-long train coke bin dust removal system is characterized by comprising a closed gallery, a side suction hood, a dust removal pipeline and a regional dust purification unit; a plurality of groups of train coke loading cabins are arranged above the train carriages corresponding to the train coke loading positions, and the closed gallery is used for forming a closed train coke loading channel on the train loading Jiao Weixing and sealing the discharge opening of the train coke loading cabins and the train; along the longitudinal direction of the train, one side or two sides of the coke loading and unloading point are provided with a plurality of side suction covers, the side suction covers are arranged in the closed gallery, an air inlet of each side suction cover is close to the Jiao Xieliao point, and the neck of each side suction cover is connected with a dust removal pipeline arranged outside the closed gallery through a dust removal branch pipe; a control valve is arranged on the dust removing branch pipe close to the side suction hood, and the control valve is a manual butterfly valve; the closed gallery is longitudinally divided into a plurality of areas, and each area is correspondingly provided with an area dust purifying unit; the side suction hoods of all the areas are respectively connected with the corresponding area dust purification units through corresponding dust removal pipelines.
2. The ultra-long train coke bin dust removal system of claim 1, wherein the regional dust purification unit consists of a bag collector, a dust removal fan and a chimney which are sequentially connected through a pipeline.
3. The ultra-long train coke loading bin dust removal system of claim 1, wherein the top of the closed gallery is provided with a plurality of skylights, the side surfaces of the closed gallery are provided with a plurality of side windows and a plurality of air inlets, and the air inlets are provided with air inlet rainproof shutters.
4. The ultra-long train coke loading bin dust removal system of claim 1, wherein the closed gallery is provided with side doors in each area.
5. The ultra-long train coke bin dust removal method based on the system of any one of claims 1 to 4 is characterized by comprising the following steps:
The opening of the manual butterfly valve corresponding to each side suction hood is adjusted in advance, and when a train carriage in a certain area performs coke loading operation after the train stops at a coke loading position of the train, coke falls into the corresponding train carriage from a discharge opening at the bottom of the coke loading bin of the train; at the moment, the dust removing fan in the corresponding area is started, external air enters the corresponding area through the air inlet rainproof shutter to perform natural air supplementing, an organized area type flow field is formed, smoke dust generated by coke loading is collected through the corresponding side suction cover, then enters the corresponding area dust purifying unit through the dust removing pipeline, and is discharged to the atmosphere after being purified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110336114.3A CN113060569B (en) | 2021-03-29 | 2021-03-29 | Ultra-long train coke bin dust removal system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110336114.3A CN113060569B (en) | 2021-03-29 | 2021-03-29 | Ultra-long train coke bin dust removal system and method |
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| Publication Number | Publication Date |
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| CN113060569A CN113060569A (en) | 2021-07-02 |
| CN113060569B true CN113060569B (en) | 2024-07-09 |
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| CN202110336114.3A Active CN113060569B (en) | 2021-03-29 | 2021-03-29 | Ultra-long train coke bin dust removal system and method |
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| CN113844910A (en) * | 2021-08-31 | 2021-12-28 | 中煤天津设计工程有限责任公司 | High-efficient collection device of train loading station dust |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214779487U (en) * | 2021-03-29 | 2021-11-19 | 中冶焦耐(大连)工程技术有限公司 | Super-long train coke-loading bin dust removal system |
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| FR2885121B1 (en) * | 2005-04-29 | 2007-07-13 | Euro Silo N V | METHOD FOR BULK LOADING PULVERULENT PRODUCTS AND DEVICE FOR IMPLEMENTING SAID METHOD |
| CN205953097U (en) * | 2016-07-11 | 2017-02-15 | 南京盛辉环境工程技术有限公司 | Bagged water mud train carloader dust collector |
| CN109552905A (en) * | 2019-01-10 | 2019-04-02 | 攀枝花攀钢集团设计研究院有限公司 | Dust unloads ash trapping integrated apparatus |
| CN210709755U (en) * | 2019-10-31 | 2020-06-09 | 中冶华天工程技术有限公司 | Remove environmental protection equipment of unloading |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214779487U (en) * | 2021-03-29 | 2021-11-19 | 中冶焦耐(大连)工程技术有限公司 | Super-long train coke-loading bin dust removal system |
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