CN219752342U - Primary dry dedusting system for converter gas combustion - Google Patents
Primary dry dedusting system for converter gas combustion Download PDFInfo
- Publication number
- CN219752342U CN219752342U CN202321119773.2U CN202321119773U CN219752342U CN 219752342 U CN219752342 U CN 219752342U CN 202321119773 U CN202321119773 U CN 202321119773U CN 219752342 U CN219752342 U CN 219752342U
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- pipe
- fixedly connected
- communicating pipe
- converter
- cooling
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 58
- 239000007789 gas Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003546 flue gas Substances 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 42
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model discloses a primary dry dedusting system for converter gas combustion, which relates to the field of converter gas and comprises a flue gas converter, wherein a first connecting pipe is fixedly connected to the upper side of the flue gas converter, a cooling tower is fixedly connected to one end of the first connecting pipe, a cooling flue is arranged on one side of the cooling tower, a heat exchange mechanism is arranged on the outer side of the cooling flue, a second connecting pipe is fixedly connected to the lower side of the cooling flue, heat is directly consumed when the high temperature in the air is cooled, heat is not collected and exchanged, a large amount of heat is lost, the problems of recycling and using the heat are reduced, a water source entering the device can be cooled and cooled, the water source can be repeatedly used, and the water pump can pump the water source inside the cooler into the fixed pipe through a third connecting pipe through the operation of the water pump, so that the effect of repeated heat absorption is realized.
Description
Technical Field
The utility model relates to the technical field of converter gas, in particular to a primary dry dedusting system for converter gas combustion.
Background
Converter gas is a gas fuel with medium heat value in iron and steel enterprises. Can be used as fuel of industrial kiln, and can also be used with coke oven gas, blast furnace gas and producer gas to be mixed into various mixed gases with different heat values. The converter gas contains a large amount of carbon monoxide, has high toxicity, must be tightly prevented from leakage in the processes of storage, transportation and use, has the temperature of 1450-1500 ℃ and entrains a large amount of ferric oxide dust when being sprayed out from a furnace mouth, and can be used after cooling and dust removal. The purification includes wet process and dry process, the dry process purification system is used widely in converter gas recovering technology at home and abroad, and the gas is cooled to 1000 deg.c via cooling flue, then cooled to 200 deg.c via evaporating cooling tower, and the purified gas with dust content lower than 50 mg/cubic meter is fed into gas holder via exhaust fan. The investment of the dry system is about 12-15% higher than that of the wet system; but no sewage treatment facilities are required to be built, and the power consumption is low.
The utility model with publication number of CN206902179U discloses a novel integrated system for primary dedusting and flue gas purification of a dry converter. Including flue gas converter, cooling dust collector, electrostatic precipitator or dust removal sack, cooling dust collector's evaporative cooling tower passes through U type elbow connection with sedimentation cooling tower, and sedimentation cooling tower top of the tower passes through the flue with the meticulous dust removal tower income smoke inlet and is connected, and the evaporative cooling tower utilizes the coolant liquid cooling to retrieve the dust, and sedimentation cooling tower plays flue gas cushioning effect, further cooling retrieves the dust, and meticulous dust removal tower utilizes centrifugal force to retrieve the dust. The utility model improves the flue gas purification efficiency, has low temperature of the purified flue gas and reduces the operation and maintenance cost.
For the scheme, the inventor believes that when the evaporative cooling tower is used for cooling high-temperature gas, the cooling of the gas can be effectively realized, but when the high-temperature gas in the air is cooled, heat can be directly consumed, and heat is not collected and exchanged, so that a large amount of heat can be lost, and the recycling and use of the heat are reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide a primary dry dedusting system for converter gas combustion, which can effectively solve the problems that heat is directly consumed and is not collected or exchanged when the temperature of the high temperature in the air is reduced, so that a large amount of heat is lost, and the heat is reused and used.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a converter gas burns and uses dry dedusting system once, includes the flue gas converter, the upside fixedly connected with first connecting pipe of flue gas converter, the one end fixedly connected with cooling tower of first connecting pipe, one side of cooling tower is provided with cooling flue, cooling flue's outside is provided with heat transfer mechanism, cooling flue's downside fixedly connected with second connecting pipe, the one end fixedly connected with dust removal sack of second connecting pipe, dust removal sack is provided with a plurality of be provided with the intake pipe between the dust removal sack, one side of dust removal sack is provided with the outlet duct, the outlet duct is provided with the fan, the one end fixedly connected with bellows of outlet duct, one side of bellows is provided with the blast pipe.
As a preferable scheme of the utility model, the heat exchange mechanism comprises a fixed pipe fixedly connected to the outer side of the cooling flue, one end of the fixed pipe is fixedly connected with a first communicating pipe, the other end of the fixed pipe is fixedly connected with a third communicating pipe, the lower end of the first communicating pipe is fixedly connected with an exchange heat engine, one end of the third communicating pipe is fixedly connected with a cooler, a second communicating pipe is arranged between the cooler and the exchange heat engine, the upper side of the cooler is fixedly connected with a water pump, and the water pump is arranged on the outer side of the third communicating pipe.
As a preferable mode of the utility model, a fourth communicating pipe is fixedly connected to the outer side of the fixed pipe, and the fourth communicating pipe is communicated with the fixed pipe.
As a preferable mode of the utility model, a fixed block is arranged in the fourth communicating pipe, and the fixed block is used for filtering.
As a preferable mode of the utility model, one side of the temperature reducer is provided with a temperature detector, and one side of the temperature detector is arranged in the temperature reducer.
As a preferable scheme of the utility model, one side of the cooler and one side of the heat exchanger are fixedly connected with a reinforcing ring block, and the reinforcing ring block is arranged outside the second communicating pipe and the first communicating pipe.
Compared with the prior art, the utility model has the advantages that:
1. the cooler in this device can cool down, cool down to entering into the inside water source of self to make the water source can use repeatedly, the operation of water pump then accessible self, with the inside water source of cooler pump-in to the inside of fixed pipe through the third communicating pipe, thereby realize the effect of heat absorption repeatedly.
2. The fourth communicating pipe in this device is in communication with the fixed pipe for when the inside water source of fixed pipe is evaporating because of the high temperature emergence, vapor can be smooth, timely follow the inside discharge of fixed pipe, be difficult for piling up in the inside of fixed pipe.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a heat exchange mechanism according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a fourth communication pipe according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a fixing block according to an embodiment of the present utility model.
The reference numerals in the figures illustrate:
1. a flue gas converter; 2. a first connection pipe; 3. cooling tower; 4. a cooling flue; 5. a heat exchange mechanism; 51. a fixed tube; 52. a first communication pipe; 53. an exchange heat engine; 54. a second communicating pipe; 55. a cooler; 56. a water pump; 57. a third communicating pipe; 6. a second connection pipe; 7. a dust removing cloth bag; 8. reinforcing the ring block; 9. an air inlet pipe; 11. an air outlet pipe; 12. a blower; 13. a wind storage box; 14. an exhaust pipe; 15. a temperature detector; 16. a fourth communicating pipe; 17. and a fixed block.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
referring to fig. 1-4, a primary dry dedusting system for converter gas combustion comprises a flue gas converter 1, wherein a first connecting pipe 2 is fixedly connected to the upper side of the flue gas converter 1, one end of the first connecting pipe 2 is fixedly connected with a cooling tower 3, two ends of the first connecting pipe 2 are respectively communicated with the flue gas converter 1 and the cooling tower 3, hot air in the flue gas converter 1 can smoothly enter the cooling tower 3 through the arrangement of the first connecting pipe 2, the cooling tower 3 can play a first cooling role on the hot air, a cooling flue 4 is arranged on one side of the cooling tower 3, air in the cooling tower 3 flows into the cooling flue 4 after being cooled by the cooling tower 3 for the first time, a heat exchange mechanism 5 is arranged on the outer side of the cooling flue 4, and the heat in the hot air in the cooling flue 4 can be exchanged and adsorbed through the heat exchange mechanism 5, so that the heat in the hot air can be reserved to a certain extent, and the heat can be repeatedly utilized and used.
Specifically, the downside fixedly connected with second connecting pipe 6 of cooling flue 4, the one end fixedly connected with dust removal sack 7 of second connecting pipe 6, the both ends of second connecting pipe 6 are linked together with cooling flue 4 and dust removal sack 7 respectively, the hot air after being cooled down by cooling flue 4, will get into the inside of dust removal sack 7, and be filtered by dust removal sack 7, harmful gas and dust in the air are filtered, the possibility that the dust entered into the air is reduced, dust removal sack 7 is provided with a plurality of, be provided with intake pipe 9 between a plurality of dust removal sack 7, this makes the filter effect of dust removal sack 7 can be better, one side of dust removal sack 7 is provided with outlet duct 11, the outside of outlet duct 11 is provided with fan 12, one end fixedly connected with air storage box 13 of outlet duct 11, one side of air storage box 13 is provided with blast pipe 14, fan 12's setting, make the inside gas of dust removal sack 7 can be smooth through air storage box 13 inside, and dust in the air storage box 13 carries out secondary collection, filter, finally clean, low temperature gas will be discharged to atmosphere through 14 and be in the excessive in this field, therefore, the technique is not done in this field in the converter.
Specifically, the heat exchange mechanism 5 includes a fixed pipe 51 fixedly connected to the outside of the cooling flue 4, a water source for heat exchange is provided in the fixed pipe 51, one end of the fixed pipe 51 is fixedly connected with a first communicating pipe 52, the other end of the fixed pipe 51 is fixedly connected with a third communicating pipe 57, the lower end of the first communicating pipe 52 is fixedly connected with the heat exchanger 53, the water source in the fixed pipe 51 adsorbs heat on the surface of the cooling flue 4 when flowing, and then enters the inside of the heat exchanger 53 through the first communicating pipe 52, and one end of the third communicating pipe 57 is fixedly connected with the cooler 55.
Specifically, the lower end of the third communicating pipe 57 is communicated with the cooler 55 and extends into the cooler 55, a second communicating pipe 54 is arranged between the cooler 55 and the heat exchanger 53, the heat exchanger 53 can exchange and absorb heat in hot water and transfer the heat to other devices, the heat can flow into the cooler 55 through the second communicating pipe 54, a water pump 56 is fixedly connected to the upper side of the cooler 55, the water pump 56 is arranged on the outer side of the third communicating pipe 57, the cooler 55 can cool and cool a water source entering the interior of the cooler, so that the water source can be repeatedly used, the water pump 56 can pump the water source inside the cooler 55 into the fixing pipe 51 through the operation of the water pump 56, the effect of repeated heat absorption is achieved, different liquids can be selected according to actual conditions, and the water source is not particularly limited.
Specifically, the outside fixedly connected with fourth communicating pipe 16 of fixed pipe 51, fourth communicating pipe 16 links to each other with fixed pipe 51, and the intercommunication of fourth communicating pipe 16 and fixed pipe 51 for when the inside water source of fixed pipe 51 takes place the evaporation because of the high temperature, the inside of fixed pipe 51 can be smooth, timely follow discharge, be difficult for piling up in the inside of fixed pipe 51, the setting of fourth communicating pipe 16 simultaneously, the staff still can make things convenient for the inside liquid that adds needs to use of fixed pipe 51.
Specifically, the inside of the fourth communicating pipe 16 is provided with the fixed block 17, and the fixed block 17 is used for filtering, and the fourth communicating pipe 16 can play the effect of installation and connection to the fixed block 17, and the fixed block 17 can play the effect of stopping smaller objects, impurities, reduces the possibility that the objects enter the inside of the fixed pipe 51, the heat exchanger 53 and the cooler 55.
Specifically, one side of cooler 55 is provided with temperature detector 15, and one side of temperature detector 15 sets up inside the cooler 55, and the cooler 55 still can play the effect of installation and connection to temperature detector 15, and temperature detector 15 can play certain detection effect to the inside temperature of cooler 55 to make the staff can be simple, convenient observe the inside temperature of cooler 55, judge whether the cooler 55 work normally.
Specifically, the cooler 55 is fixedly connected with the reinforcing ring block 8 on one side of the heat exchanger 53, the reinforcing ring block 8 is arranged on the outer sides of the second communicating pipe 54 and the first communicating pipe 52, and the reinforcing ring block 8 can perform reinforcing and fixing functions on the second communicating pipe 54 and the first communicating pipe 52 through the connection relation between the reinforcing ring block 8 and the heat exchanger 53 and the cooler 55, so that the second communicating pipe 54 and the first communicating pipe 52 are not easy to deviate, shake and the like in use.
The working principle and the using flow of the utility model are as follows: when the device is used, high-temperature gas in the flue gas converter 1 enters the cooling tower 3 through the first connecting pipe 2 and is cooled for the first time by the cooling tower 3, then the gas enters the cooling flue 4, at this time, not only the cooling flue 4 can cool the gas again, but also the heat exchange mechanism 5 can adsorb the temperature in the gas, the water source in the fixing pipe 51 adsorbs the heat on the surface of the cooling flue 4 when flowing, and then enters the heat exchange machine 53 through the first connecting pipe 52, the heat exchange machine 53 can exchange and adsorb the heat in the hot water, transfer the heat exchange machine into other devices, and then flows into the cooler 55 through the second connecting pipe 54, the cooler 55 can cool and cool the water source in the cooler 55, so that the water source can be repeatedly used, the water pump 56 can pump the water source in the cooler 55 into the fixing pipe 51 through the operation of the third connecting pipe 57, and thus the effect of repeatedly absorbing heat is achieved.
The hot air cooled by the cooling flue 4 enters the dust removing cloth bag 7 and is filtered by the dust removing cloth bag 7, harmful gas and dust in the air are filtered and blocked, the filtered gas of the dust removing cloth bag 7 smoothly enters the air storage box 13 through the fan 12, the air storage box 13 can collect and filter the dust in the air for the second time, and finally clean and low-temperature gas is discharged into the atmosphere through the exhaust pipe 14, so that the problems that heat is directly consumed when the high temperature in the air is cooled, and a large amount of heat is not collected and exchanged, so that the heat is lost, and the problems of recycling and using the heat are reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present utility model.
Claims (6)
1. The primary dry dedusting system for converter gas combustion comprises a flue gas converter (1), and is characterized in that: the flue gas converter is characterized in that the upper side of the flue gas converter (1) is fixedly connected with a first connecting pipe (2), one end of the first connecting pipe (2) is fixedly connected with a cooling tower (3), one side of the cooling tower (3) is provided with a cooling flue (4), the outer side of the cooling flue (4) is provided with a heat exchange mechanism (5), the lower side of the cooling flue (4) is fixedly connected with a second connecting pipe (6), one end of the second connecting pipe (6) is fixedly connected with a dust collecting cloth bag (7), the dust collecting cloth bag (7) is provided with a plurality of dust collecting cloth bags (7), an air inlet pipe (9) is arranged between the dust collecting cloth bags (7), one side of the dust collecting cloth bag (7) is provided with an air outlet pipe (11), one side of the air outlet pipe (11) is provided with a fan (12), one side of the air outlet pipe (11) is fixedly connected with an air storage box (13), and one side of the air storage box (13) is provided with an exhaust pipe (14).
2. The primary dry dedusting system for converter gas combustion of claim 1, wherein the primary dry dedusting system comprises: the heat exchange mechanism (5) comprises a fixed pipe (51) fixedly connected to the outer side of the cooling flue (4), one end of the fixed pipe (51) is fixedly connected with a first communicating pipe (52), the other end of the fixed pipe (51) is fixedly connected with a third communicating pipe (57), the lower end of the first communicating pipe (52) is fixedly connected with an exchange heat engine (53), one end of the third communicating pipe (57) is fixedly connected with a cooler (55), a second communicating pipe (54) is arranged between the cooler (55) and the exchange heat engine (53), the upper side of the cooler (55) is fixedly connected with a water pump (56), and the water pump (56) is arranged on the outer side of the third communicating pipe (57).
3. A primary dry dust removal system for converter gas combustion according to claim 2, wherein: the outside of fixed pipe (51) fixedly connected with fourth communicating pipe (16), fourth communicating pipe (16) with fixed pipe (51) are linked together.
4. A primary dry dust removal system for converter gas combustion according to claim 3, wherein: the fourth communicating pipe (16) is internally provided with a fixed block (17), and the fixed block (17) is used for filtering.
5. A primary dry dust removal system for converter gas combustion according to claim 2, wherein: one side of the cooler (55) is provided with a temperature detector (15), and one side of the temperature detector (15) is arranged inside the cooler (55).
6. A primary dry dust removal system for converter gas combustion according to claim 2, wherein: the cooling device (55) and one side of the heat exchanger (53) are fixedly connected with a reinforcing ring block (8), and the reinforcing ring block (8) is arranged on the outer sides of the second communicating pipe (54) and the first communicating pipe (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321119773.2U CN219752342U (en) | 2023-05-11 | 2023-05-11 | Primary dry dedusting system for converter gas combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321119773.2U CN219752342U (en) | 2023-05-11 | 2023-05-11 | Primary dry dedusting system for converter gas combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219752342U true CN219752342U (en) | 2023-09-26 |
Family
ID=88074503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321119773.2U Active CN219752342U (en) | 2023-05-11 | 2023-05-11 | Primary dry dedusting system for converter gas combustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219752342U (en) |
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2023
- 2023-05-11 CN CN202321119773.2U patent/CN219752342U/en active Active
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