CN210458248U - Movable smoke hood for converter waste heat boiler - Google Patents
Movable smoke hood for converter waste heat boiler Download PDFInfo
- Publication number
- CN210458248U CN210458248U CN201921118709.6U CN201921118709U CN210458248U CN 210458248 U CN210458248 U CN 210458248U CN 201921118709 U CN201921118709 U CN 201921118709U CN 210458248 U CN210458248 U CN 210458248U
- Authority
- CN
- China
- Prior art keywords
- smoke hood
- collecting box
- movable
- lantern ring
- water inlet
- 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.)
- Withdrawn - After Issue
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 55
- 239000002918 waste heat Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000004804 winding Methods 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims description 27
- 239000007921 spray Substances 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000009628 steelmaking Methods 0.000 description 12
- 238000007664 blowing Methods 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses a converter waste heat is movable petticoat pipe for boiler, include: the water inlet collecting box, the movable smoke hood body and the water outlet collecting box are arranged below the smoke hood platform, a winding drum driven by a motor is arranged above the smoke hood platform, a lifting chain is wound on the winding drum, the lifting chain extends out of the smoke hood platform from a chain telescopic opening downwards and is connected with the movable smoke hood body, the movable smoke hood body is connected with the water inlet collecting box through a first branch pipe and connected with the water outlet collecting box through a second branch pipe, the water inlet collecting box and the water outlet collecting box are respectively connected with a lifting pipe, and each lifting pipe extends out of the smoke hood platform upwards from a pipeline telescopic opening; the inner wall of each lantern ring cavity is provided with a plurality of circles of nozzles from top to bottom. The utility model has the advantages of high production safety.
Description
Technical Field
The utility model relates to a steelmaking equipment technical field, concretely relates to converter exhaust-heat boiler is with activity petticoat pipe.
Background
The converter waste heat boiler usually adopts a vaporization cooling flue structure to recover waste heat of coal gas, high-temperature flue gas and smoke dust during oxygen blowing and steel making of a converter of a steel enterprise, is directly linked with the production process of the converter and directly participates in steel making production as a part of the converter steel making process, can collect the high-temperature flue gas in the process of smelting steel by the converter and cool the high-temperature flue gas, meets the requirements of dust removal and coal gas recovery in the later period of steel making, can also generate a large amount of steam for the requirements of production and life, can greatly reduce the cost of production and life, and plays an important role in steel plants.
The converter exhaust-heat boiler mainly comprises: fixed mounting is in the fixed petticoat pipe of fire door on the petticoat pipe platform of converter top, and the upper end of the fixed petticoat pipe of fire door upwards stretches out behind the petticoat pipe platform and connects gradually hypomere cooling flue and upper segment cooling flue, and the lower extreme of the fixed petticoat pipe of fire door stretches out behind the petticoat pipe platform downwards and connects movable petticoat pipe, and wherein, the structure of activity petticoat pipe includes: set up in the collection case of intaking of petticoat pipe platform below, activity petticoat pipe body and play water collection case, and set up in the winding drum by motor drive pivoted above the petticoat pipe platform, the winding has the lift chain on the winding drum, the lift chain stretches out the petticoat pipe platform downwards from the flexible mouth of chain of petticoat pipe platform and is connected with activity petticoat pipe body, activity petticoat pipe body is vertically stacked by the annular heat exchange tube that a plurality of level was placed and forms, be provided with water inlet and delivery port on every annular heat exchange tube respectively, the water inlet of every annular heat exchange tube is respectively through first branch connection collection case, the delivery port of every annular heat exchange tube is respectively through second branch connection play water collection case, be connected with a root canal respectively on the collection case of intaking and play water collection case, every tedge upwards stretches out the petticoat. When in blowing, the motor drives the winding drum to rotate to loosen the lifting chain and drive the movable smoke hood body to descend and cover on the converter mouth; when the converter is shaken, the motor drives the winding drum to rotate the winding lifting chain to drive the movable smoke hood body to ascend and open the converter mouth, in the blowing and shaking processes, cooling water continuously enters the water inlet header through the lifting pipe connected with the water inlet header and then enters the annular heat exchange pipes through the first branch pipes, in the process that the cooling water passes through the annular heat exchange pipes, the cooling water can exchange heat with high-temperature smoke generated in steelmaking of the converter to convert the high-temperature smoke into hot water and steam, and the converted hot water and steam enter the water outlet header through the second branch pipes so as to cool the high-temperature smoke, so that the high-temperature smoke meets the requirements of later dedusting and gas recovery of the steelmaking, and simultaneously generates a large amount of steam for production and living.
The movable smoke hood has the following disadvantages: in the blowing and rocking processes, high-temperature yellow smoke and high-temperature flame escaping from the converter mouth can escape through the gaps between the lifting pipes and the corresponding pipeline telescopic mouths and the gaps between the lifting chains and the corresponding chain telescopic mouths, so that the environment is seriously polluted, the working condition is severe, and hidden troubles are buried for safety production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high movable petticoat pipe for converter exhaust-heat boiler of production security.
In order to achieve the above purpose, the utility model adopts the following technical scheme: converter waste heat is movable petticoat pipe for boiler includes: the smoke hood comprises a water inlet collecting box, a movable smoke hood body, a water outlet collecting box and a winding drum, wherein the water inlet collecting box, the movable smoke hood body and the water outlet collecting box are arranged below a smoke hood platform, the winding drum is arranged above the smoke hood platform and driven by a motor to rotate, a lifting chain is wound on the winding drum, the lifting chain extends downwards from a chain telescopic opening of the smoke hood platform to the smoke hood platform and is connected with the movable smoke hood body, the movable smoke hood body is formed by longitudinally superposing a plurality of horizontally placed annular heat exchange tubes, a water inlet and a water outlet are respectively arranged on each annular heat exchange tube, the water inlet of each annular heat exchange tube is respectively connected with the water inlet collecting box through a first branch tube, the water outlet of each annular heat exchange tube is respectively connected with the water outlet collecting box through a second branch tube, a water inlet collecting box and; the method is characterized in that: the inner wall of each lantern ring cavity is provided with a plurality of rings of spray heads from top to bottom in sequence, when high-pressure protective gas in the high-pressure protective gas source is sprayed out from the spray heads of the lantern ring cavities through the gas pipes, the high-pressure protective gas can form gas seals between each lifting pipe and the corresponding lantern ring cavity, and gaps between each lifting chain and the corresponding lantern ring cavity.
Further, the movable smoke hood for the converter waste heat boiler comprises: the inner wall of each lantern ring cavity is sequentially provided with 5 circles of spray heads from top to bottom, and each circle of spray heads consists of 16 spray heads.
Further, the movable smoke hood for the converter waste heat boiler comprises: the nozzles of the nozzles on each lantern ring cavity face in the same direction.
Through the implementation of the above technical scheme, the beneficial effects of the utility model are that: in the blowing and rocking processes, the gaps between each lifting pipe and the corresponding lantern ring cavity and the gaps between each lifting chain and the corresponding lantern ring cavity form gas seals through high-pressure protective gas, so that high-temperature yellow smoke and high-temperature flame generated in converter steelmaking are effectively prevented from upwards emitting out of a smoke hood platform to pollute the environment from the gaps between each lifting pipe and the corresponding lantern ring cavity and the gaps between each lifting chain and the corresponding lantern ring cavity, the working condition is effectively improved, and the production safety is improved.
Drawings
Fig. 1 is a schematic structural diagram of a movable smoke hood for a converter waste heat boiler of the utility model.
Fig. 2 is an enlarged schematic view of a portion H shown in fig. 1.
Fig. 3 is a top view of the collar cavity shown in fig. 1.
Detailed Description
As shown in fig. 1, 2 and 3, the movable hood for the converter waste heat boiler comprises: a water inlet header 2, a movable smoke hood body 3 and a water outlet header 4 which are arranged below the smoke hood platform 1, and a winding drum 6 which is arranged above the smoke hood platform 1 and is driven by a motor 5 to rotate, a lifting chain 7 is wound on the winding drum 6, the lifting chain 7 extends out of the smoke hood platform 1 downwards from a chain expansion port of the smoke hood platform 1 and is connected with the movable smoke hood body 3, the movable smoke hood body 3 is formed by longitudinally superposing a plurality of horizontally arranged annular heat exchange tubes, a water inlet and a water outlet are respectively arranged on each annular heat exchange tube, the water inlet of each annular heat exchange tube is respectively connected with a water inlet header 2 through a first branch tube 8, the water outlet of each annular heat exchange tube is respectively connected with a water outlet header through a second branch tube 9, the water inlet header 2 and the water outlet header 4 are respectively connected with a lifting pipe 10, and each lifting pipe 10 respectively extends upwards out of the smoke hood platform 1 from a pipeline expansion port of the smoke hood platform 1; a lantern ring cavity 12 which is sleeved outside the corresponding lifting pipe 10 and the lifting chain 7 and is internally provided with an annular cavity 11 is respectively arranged in each pipeline expansion port and each chain expansion port, the annular cavities 11 of all lantern ring cavities 12 are respectively communicated with a high-pressure protective gas source 15 through gas pipes 14 with valves 13, a plurality of circles of spray heads 16 are sequentially arranged on the inner wall of each lantern ring cavity 12 from top to bottom, when the high-pressure protective gas in the high-pressure protective gas source 15 is sprayed out from the spray heads 16 of each lantern ring cavity 12 through each gas pipe 14, the high-pressure protective gas can form gas seals in gaps between each lifting pipe 10 and the corresponding lantern ring cavity 12 and gaps between each lifting chain 7 and the corresponding lantern ring cavity 12, thereby effectively preventing flue gas at a converter mouth from escaping to pollute the environment from the gaps between each lifting pipe 10 and the corresponding lantern ring cavity 12 and gaps between each lifting chain 7 and the corresponding lantern ring cavity 12, the field environment is effectively improved, and the use safety is improved; in the embodiment, 5 circles of spray heads 16 are sequentially arranged on the inner wall of each lantern ring cavity 12 from top to bottom, each circle of spray heads 16 consists of 16 spray heads, and the nozzles of the spray heads 16 on each lantern ring cavity 12 are in the same direction, so that the air sealing effect is good;
the working principle of the utility model is as follows:
when all the valves 13 are opened, high-pressure protective gas in the high-pressure protective gas source 15 enters the annular cavity 11 of each lantern ring cavity 12 through each gas pipe 14 and is sprayed out through each corresponding spray head 16, so that gas seals are formed in gaps between each lifting pipe 10 and the corresponding lantern ring cavity 12 and gaps between each lifting chain 7 and the corresponding lantern ring cavity 12;
when blowing, the motor 5 drives the winding drum 6 to rotate to loosen the lifting chain 7, and the movable smoke hood body 3 is driven to descend to cover the converter mouth; when the converter is shaken, the motor 5 drives the winding drum 6 to rotate the winding lifting chain 7, and drives the movable smoke hood body 3 to ascend to open the converter mouth;
in the blowing and rocking processes, cooling water continuously enters the water inlet header 2 through the lifting pipe 10 connected with the water inlet header 2 and then enters the annular heat exchange pipes through the first branch pipes 8, in the process that the cooling water passes through the annular heat exchange pipes, the cooling water can exchange heat with high-temperature flue gas generated by converter steelmaking to convert the high-temperature flue gas into hot water and steam, and the converted hot water and steam enter the water outlet header 4 through the second branch pipes 9 so as to cool down the high-temperature flue gas, so that the high-temperature flue gas meets the requirements of later dust removal and coal gas recovery of the steelmaking, and simultaneously generates a large amount of steam for production and living;
in the blowing and rocking processes, due to the existence of the gas seal, high-temperature yellow smoke and high-temperature flame generated in the steel making process of the converter cannot upwards emerge from gaps between each lifting pipe and the corresponding lantern ring cavity and gaps between each lifting chain and the corresponding lantern ring cavity to pollute the environment, the working condition is effectively improved, and the production safety is improved.
The utility model has the advantages that: in the blowing and rocking processes, the gaps between each lifting pipe and the corresponding lantern ring cavity and the gaps between each lifting chain and the corresponding lantern ring cavity form gas seals through high-pressure protective gas, so that high-temperature yellow smoke and high-temperature flame generated in converter steelmaking are effectively prevented from upwards emitting out of a smoke hood platform to pollute the environment from the gaps between each lifting pipe and the corresponding lantern ring cavity and the gaps between each lifting chain and the corresponding lantern ring cavity, the working condition is effectively improved, and the production safety is improved.
Claims (3)
1. Converter waste heat is movable petticoat pipe for boiler includes: the smoke hood comprises a water inlet collecting box, a movable smoke hood body, a water outlet collecting box and a winding drum, wherein the water inlet collecting box, the movable smoke hood body and the water outlet collecting box are arranged below a smoke hood platform, the winding drum is arranged above the smoke hood platform and driven by a motor to rotate, a lifting chain is wound on the winding drum, the lifting chain extends downwards from a chain telescopic opening of the smoke hood platform to the smoke hood platform and is connected with the movable smoke hood body, the movable smoke hood body is formed by longitudinally superposing a plurality of horizontally placed annular heat exchange tubes, a water inlet and a water outlet are respectively arranged on each annular heat exchange tube, the water inlet of each annular heat exchange tube is respectively connected with the water inlet collecting box through a first branch tube, the water outlet of each annular heat exchange tube is respectively connected with the water outlet collecting box through a second branch tube, a water inlet collecting box and; the method is characterized in that: the inner wall of each lantern ring cavity is provided with a plurality of rings of spray heads from top to bottom in sequence, when high-pressure protective gas in the high-pressure protective gas source is sprayed out from the spray heads of the lantern ring cavities through the gas pipes, the high-pressure protective gas can form gas seals between each lifting pipe and the corresponding lantern ring cavity, and gaps between each lifting chain and the corresponding lantern ring cavity.
2. The movable hood for a converter waste heat boiler according to claim 1, characterized in that: the inner wall of each lantern ring cavity is sequentially provided with 5 circles of spray heads from top to bottom, and each circle of spray heads consists of 16 spray heads.
3. The movable hood for a converter waste heat boiler according to claim 1, characterized in that: the nozzles of the nozzles on each lantern ring cavity face in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921118709.6U CN210458248U (en) | 2019-07-17 | 2019-07-17 | Movable smoke hood for converter waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921118709.6U CN210458248U (en) | 2019-07-17 | 2019-07-17 | Movable smoke hood for converter waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210458248U true CN210458248U (en) | 2020-05-05 |
Family
ID=70445815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921118709.6U Withdrawn - After Issue CN210458248U (en) | 2019-07-17 | 2019-07-17 | Movable smoke hood for converter waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210458248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331250A (en) * | 2019-07-17 | 2019-10-15 | 联峰钢铁（张家港）有限公司 | A kind of Converter Residual Heat Boiler movable gas hood |
-
2019
- 2019-07-17 CN CN201921118709.6U patent/CN210458248U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331250A (en) * | 2019-07-17 | 2019-10-15 | 联峰钢铁（张家港）有限公司 | A kind of Converter Residual Heat Boiler movable gas hood |
| CN110331250B (en) * | 2019-07-17 | 2024-04-16 | 联峰钢铁（张家港）有限公司 | Movable smoke hood for converter waste heat boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210458248U (en) | Movable smoke hood for converter waste heat boiler | |
| CN108006686B (en) | Quenching waste heat boiler | |
| CN110331250B (en) | Movable smoke hood for converter waste heat boiler | |
| CN108980874A (en) | A kind of burning boiler fume extractor for being convenient for removal internal dirt | |
| CN203724908U (en) | Special bag-type dust collection system for aluminum melting furnace | |
| CN207113243U (en) | Elevated waste heat boiler furnace mouth seal device | |
| CN207091453U (en) | Converter movable hood | |
| CN113004916B (en) | Dust remover top suction upturning type flue gas conversion device | |
| CN210409981U (en) | Coke quenching tower flue gas takes off white dust pelletizing system | |
| CN203610659U (en) | Slab continuous casting tundish baking system | |
| CN209042419U (en) | The exhaust gas purification and treatment device of carbon molecular sieve production | |
| CN202208738U (en) | Multifunctional spraying device for primary smoke hood mouth of convertor | |
| CN209042330U (en) | Coal slime pipe structure is given on a kind of circulating fluid bed boiler top | |
| CN212644650U (en) | Ash removing mechanism for prolonging boiler operation period without stopping boiler | |
| CN208980638U (en) | A kind of coke oven coke oven uprising tube leads fiery device | |
| CN207091455U (en) | Aqueous vapor double containment converter movable hood | |
| CN109282278B (en) | A kind of biomass boiler | |
| CN2811902Y (en) | Dry type seal device for moveable apron of rotary furnace | |
| CN107142126B (en) | Waste mineral oil coke residue gasifier | |
| CN206176428U (en) | Soot blower of heat convection pipe | |
| CN210481301U (en) | Gasification furnace water circulation system for extracting combustible gas and charcoal from straw and agricultural and forestry waste | |
| CN208983361U (en) | A kind of deslagging device of refuse pyrolysis gasification furnace | |
| CN221172279U (en) | Flue gas ash removal device of sludge pyrolysis gasification matched exhaust-heat boiler | |
| CN204514071U (en) | A kind of dust pelletizing system for ferronickel mineral hot furnace | |
| CN206089589U (en) | Fixed bed quenching gasification furnace tandem arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200505 Effective date of abandoning: 20240416 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200505 Effective date of abandoning: 20240416 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |