CN219907745U - Water cooling chamber device for primary flue gas chilling fire-extinguishing type waste heat recovery process of converter - Google Patents
Water cooling chamber device for primary flue gas chilling fire-extinguishing type waste heat recovery process of converter Download PDFInfo
- Publication number
- CN219907745U CN219907745U CN202320256056.8U CN202320256056U CN219907745U CN 219907745 U CN219907745 U CN 219907745U CN 202320256056 U CN202320256056 U CN 202320256056U CN 219907745 U CN219907745 U CN 219907745U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- chamber body
- water
- waste heat
- water cooling
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000003546 flue gas Substances 0.000 title claims abstract description 51
- 238000001816 cooling Methods 0.000 title claims abstract description 41
- 239000002918 waste heat Substances 0.000 title claims abstract description 32
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 37
- 238000004880 explosion Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000001502 supplementing effect Effects 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 13
- 238000013022 venting Methods 0.000 claims description 8
- 238000009834 vaporization Methods 0.000 claims description 6
- 230000008016 vaporization Effects 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009628 steelmaking Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 18
- 239000010802 sludge Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 11
- 239000000428 dust Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model relates to the technical field of steel making converter waste heat recovery facilities of iron and steel enterprises, in particular to a water cooling chamber device for a primary flue gas chilled fire extinguishing type waste heat recovery process of a converter, which comprises a water cooling chamber and a water system, wherein the water cooling chamber comprises a chamber body and a tapered spray pipe, water is filled at the bottom of the chamber body, the tapered spray pipe is arranged at the top of the chamber body, a large opening at the upper end of the tapered spray pipe is a flue gas inlet of the chamber body, a small opening at the lower end of the tapered spray pipe is positioned above the liquid level, and a flue gas outlet is arranged on the side surface of the chamber body; the water system is connected with the chamber body and is used for supplementing water into the chamber body. According to the utility model, the water cooling chamber is used for eliminating open fire in the flue gas and fire capable of triggering explosion, so that the problem that the flue gas is easy to explode below the ignition point is solved, the safety of a primary flue gas purifying and recycling system of the converter is effectively improved, the waste heat recycling of the flue gas in a middle-low temperature section is facilitated, and the production cost of steel products is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of steel making converter waste heat recovery facilities of steel enterprises, in particular to a water cooling chamber device for a primary flue gas chilled fire extinguishing waste heat recovery process of a converter.
Background
At present, the temperature of primary flue gas at the outlet of a vaporization cooling flue designed by a conventional converter is 900-1000 ℃, then the flue gas enters a wet dedusting or dry dedusting system, the temperature of the flue gas is reduced to about 200 ℃ by adopting a water spraying cooling mode, and then subsequent purification and recovery treatment are carried out, and in the process, the flue gas waste heat at 900-200 ℃ is not recycled, so that huge waste of high-quality waste heat resources is caused. If the waste heat can be recovered, the production cost of steel products can be effectively reduced. The main reason that the waste heat is not recovered at present is that the converter gas has explosion risk in the middle-low temperature section. It is therefore desirable to explore a way to recover and utilize as much of this heat as possible while ensuring safety.
From combustible gas thermodynamics, gas explosions must meet the following three conditions simultaneously: 1) The mixing proportion of carbon monoxide and oxygen or air is within the explosion limit range; 2) Premixing carbon monoxide and oxygen or air below a fire point (605-650 ℃); 3) An open flame or a flame of sufficient energy is encountered. In order to avoid explosion risks, it is therefore necessary to make at least one condition unsatisfied by means of measures in order to recover as much of the low-temperature waste heat in this section as possible.
Disclosure of Invention
The utility model aims to provide a water cooling chamber device for a primary flue gas quenching fire extinguishing type waste heat recovery process of a converter, which can eliminate open fire in primary flue gas of the converter and fire capable of triggering explosion, can avoid the danger of explosion of the flue gas below a fire point (605-650 ℃), effectively improves the safety of a primary flue gas purification and recovery system of the converter, and is convenient for waste heat recovery of a middle-low temperature section of primary flue gas of the converter.
In order to achieve the above purpose, the technical scheme of the utility model is that the water cooling chamber device for the primary flue gas chilled fire extinguishing type waste heat recovery process of the converter comprises a water cooling chamber and a water system, wherein the water cooling chamber comprises a chamber body and a tapered spray pipe, water is filled at the bottom of the chamber body, the tapered spray pipe is arranged at the top of the chamber body, a large opening at the upper end of the tapered spray pipe is a flue gas inlet of the chamber body, a small opening at the lower end of the tapered spray pipe is positioned above the liquid level, and a flue gas outlet is arranged on the side surface of the chamber body; the water system is connected with the chamber body and is used for supplementing water into the chamber body.
As one of the implementation modes, a plurality of ring water baffles are arranged in the chamber body, the water baffles are positioned below the smoke outlet of the chamber body, and the ring water baffles are arranged at intervals between the outer wall of the bottom of the tapered spray pipe and the inner wall of the chamber body.
As one embodiment, the water baffle is a curved plate.
As one of the implementation modes, the chamber body is also provided with an iron wire net, and the iron wire net is positioned above the water baffle and below the smoke outlet of the chamber body.
As one of the embodiments, the end of the water system is provided with a number of nozzles arranged around the convergent nozzle above the wire.
As one of the implementation modes, the side wall of the chamber body is provided with an explosion venting valve, and the explosion venting valve is positioned above the liquid level.
As one of the embodiments, the upper end large opening of the tapered spray pipe is connected with one end of a compensator, and the other end of the compensator is used for being connected with a vaporization flue or a radiation waste heat boiler.
As one of implementation modes, the bottom of the chamber body is communicated with the mud storage tank through a drain pipe, and a drain valve is arranged on the drain pipe.
As one embodiment, the bottom of the chamber body is of an inverted cone structure.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, open fire in the flue gas and fire capable of triggering explosion are eliminated through the water cooling chamber, so that the problem that the flue gas is easy to explode below the ignition point is solved, the safety of a primary flue gas purifying and recycling system of the converter is effectively improved, the waste heat recycling of the flue gas in a middle-low temperature section is facilitated, and the production cost of steel products is effectively reduced;
(2) The utility model further ensures that the smoke entering the gas pipeline can not carry enough fire seeds for causing explosion by arranging the water baffle and the wire netting;
(3) The water cooling chamber can remove a part of dust, so that scaling of subsequent equipment is reduced;
(4) The water cooling chamber is mainly used for extinguishing open fire and fire capable of triggering explosion, so that the water system only needs to supplement the water quantity lost by evaporation, and the water consumption is small;
(5) In the utility model, dust in water falling into the bottom of the water cooling chamber is accumulated into sludge and is discharged into the sludge storage tank, and the sludge storage tank filled with the sludge is transported to a treatment plant for centralized treatment only by periodically replacing the sludge storage tank, so that the sludge does not need to be treated on site;
(6) The utility model is designed based on the arrangement position and space of the existing converter primary flue gas dry purification and recovery process, has simple structure, is suitable for new construction and transformation projects, and can effectively reduce investment and shorten transformation period.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a water cooling chamber device for a primary flue gas chilled fire extinguishing waste heat recovery process of a converter, which is provided by the embodiment of the utility model;
in the figure: 1. a water cooling chamber; 1-1, a chamber body; 1-2, a tapered spray pipe; 1-3, water; 1-4, a water baffle; 1-5, wire netting; 1-6, explosion venting valve; 2. a water system; 3. a blow-down valve; 4. a mud storage tank; 5. a compensator; 6. a gas pipeline.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, the embodiment provides a water cooling chamber device for a primary flue gas quenching fire-extinguishing waste heat recovery process of a converter, which comprises a water cooling chamber 1 and a water system 2, wherein the water cooling chamber 1 comprises a chamber body 1-1 and a tapered spray pipe 1-2, a certain amount of water 1-3 is contained at the bottom in the chamber body 1-1, the tapered spray pipe 1-2 is arranged at the top in the chamber body 1-1, and a flue gas inlet of the chamber body 1-1 is arranged at the large opening at the upper end of the tapered spray pipe 1-2 and is used for being connected with a vaporization flue or a radiation waste heat boiler; the small opening at the lower end of the tapered spray pipe 1-2 is positioned above the liquid level, a smoke outlet is arranged on the side surface of the chamber body 1-1, and the smoke outlet of the chamber body 1-1 is positioned above the liquid level of the water 1-3 in the chamber body 1-1 and is connected with the gas pipeline 6; the water system 2 is connected with the chamber body 1-1 and is used for supplementing water into the chamber body 1-1.
In the embodiment, water is replenished into the chamber body 1-1 through the water system 2, the small opening at the lower end of the tapered spray pipe 1-2 is always positioned at a certain height above the liquid level of the water 1-3 at the bottom of the chamber body 1-1, the smoke from the vaporization flue or the radiation waste heat boiler enters the tapered spray pipe 1-2 through the large opening at the upper end of the tapered spray pipe 1-2, the smoke is accelerated under the action of the tapered spray pipe 1-2, then enters the chamber body 1-1 from the small opening at the lower end of the tapered spray pipe 1-2 at a high speed, open fire and large particle fire carried by dust in the smoke are extinguished in the water 1-3 which is settled under the inertia action and falls into the bottom of the water cooling chamber 1, and the smoke from which the open fire and the fire are eliminated enters the gas pipeline 6 through the smoke outlet at the side of the chamber body 1-1. Meanwhile, the flue gas is not in large-area contact with water at the bottom of the water cooling chamber 1, so that the heat loss of the flue gas in the water cooling chamber 1 is less.
According to the embodiment, the chamber body 1-1 is internally provided with the plurality of ring water baffles 1-4, the water baffles 1-4 are positioned below the smoke outlet of the chamber body 1-1, and the plurality of ring water baffles 1-4 are arranged at intervals between the outer wall of the bottom of the tapered spray pipe 1-2 and the inner wall of the chamber body 1-1. As shown in figure 1, a plurality of ring water baffles 1-4 are positioned above the small opening at the lower end of the tapered spray pipe 1-2 and below the smoke outlet of the chamber body 1-1, smoke enters the chamber body 1-1 from the small opening at the lower end of the tapered spray pipe 1-2 at high speed and then upwards, passes through the water baffles 1-4 and enters the gas pipeline 6 through the smoke outlet at the side surface of the chamber body 1-1, and water wrapped by the smoke flow and a small amount of large-particle fire which is not extinguished can be prevented from entering the gas pipeline 6 through the water baffles 1-4, so that the safety of the system is further improved. Optimally, the water baffle 1-4 is a curved plate and is provided with at least one bending part, so that the contact between the smoke and the water baffle 1-4 can be increased, and more water and large-particle fire in the smoke are left by the water baffle 1-4. The lower part of the plurality of ring water baffles 1-4 can be along a plurality of connecting rods of the circumferential interval arrangement of the bottom of the tapered spray pipe 1-2, both ends of the connecting rods can be respectively fixed with the outer wall of the bottom of the tapered spray pipe 1-2 and the inner wall of the chamber body 1-1, and the bottom of each water baffle 1-4 can be respectively fixed with the plurality of connecting rods, so that the plurality of ring water baffles 1-4 are fixed at positions above the small opening at the lower end of the tapered spray pipe 1-2 and below the smoke outlet of the chamber body 1-1.
Further optimizing the embodiment, the room body 1-1 is internally provided with the wire netting 1-5, and the wire netting 1-5 is located above the water baffle 1-4 and below the flue gas outlet of the room body 1-1. As shown in fig. 1, the flue gas enters the chamber body 1-1 from the small opening at the lower end of the tapered spray pipe 1-2 at a high speed, then upwards passes through the water baffle plate 1-4 and the wire gauze 1-5 in sequence, and then enters the gas pipeline 6 through the flue gas outlet at the side surface of the chamber body 1-1, and the escaped fire with certain energy and causing explosion can be further intercepted by adding the wire gauze 1-5, so that the flue gas entering the gas pipeline 6 is ensured not to carry enough fire. Specifically, the wire netting 1-5 can be annular, the inner ring is fixed with the outer wall of the tapered spray pipe 1-2, and the outer ring is fixed with the inner wall of the chamber body 1-1; the top of each water baffle 1-4 can also be fixed with the wire netting 1-5, so that the stability of the water baffles 1-4 is further improved.
As shown in fig. 1, the end of the water system 2 is provided with nozzles which are arranged around the tapering nozzle 1-2 above the wire 1-5. The water system 2 supplements water into the water cooling chamber 1 at a certain speed through the nozzle, and is used for supplementing water loss caused by heat exchange evaporation at the bottom of the water cooling chamber 1, so that the distance between the water level at the bottom of the chamber body 1-1 and the small opening at the lower end of the tapered spray pipe 1-2 is kept unchanged, after the flue gas is accelerated under the action of the tapered spray pipe 1-2, open fire and large particle fire carried by dust in the flue gas settle under the action of inertia and can fall into water at the bottom of the water cooling chamber 1 to be extinguished, and the water system 2 washes the wire netting 1-5 to avoid blocking when the coal gas is not recovered.
Optimally, the side wall of the chamber body 1-1 is provided with an explosion venting valve 1-6, and the explosion venting valve 1-6 is positioned above the liquid level. When the pressure in the chamber body 1-1 exceeds a set value, the explosion venting valve 1-6 is opened to release pressure, so that the safety of equipment is ensured.
As one embodiment, the upper large opening of the tapered nozzle 1-2 is connected with one end of a compensator 5, and the other end of the compensator 5 is used for being connected with a vaporization flue or a radiation waste heat boiler. Through increasing compensator 5 at the upper end large-mouthful of tapering spray tube 1-2, not only can absorb the thermal extension of equipment, avoid damaging equipment, still make things convenient for the dismouting, the maintenance of device simultaneously.
Further, the bottom of the chamber body 1-1 is communicated with the mud storage tank 4 through a drain pipe, a drain valve 3 is arranged on the drain pipe, the drain valve 3 is normally open, dust in water falling into the bottom of the chamber body 1-1 is accumulated into mud, and the mud falls into the mud storage tank 4 through a drain pipe and the normally open drain valve 3. When the sludge storage tank 4 is full of sludge, the sewage disposal valve 3 is closed, the sludge storage tank 4 full of sludge is replaced with an empty sludge storage tank 4, and then the sewage disposal valve 3 is opened to collect sludge by using the empty sludge storage tank 4. The sludge storage tank 4 filled with sludge is transported to a treatment plant for centralized treatment. Optimally, the bottom of the chamber body 1-1 is of an inverted cone structure so as to facilitate the discharge of sludge at the bottom of the water cooling chamber 1.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. A water-cooling chamber device for converter primary flue gas quenching fire-extinguishing formula waste heat recovery technology, its characterized in that: the water cooling device comprises a water cooling chamber and a water system, wherein the water cooling chamber comprises a chamber body and a tapered spray pipe, water is filled at the bottom of the chamber body, the tapered spray pipe is arranged at the top of the chamber body, a large opening at the upper end of the tapered spray pipe is a flue gas inlet of the chamber body, a small opening at the lower end of the tapered spray pipe is positioned above the liquid level, and a flue gas outlet is arranged on the side surface of the chamber body; the water system is connected with the chamber body and is used for supplementing water into the chamber body.
2. The water cooling chamber device for a primary flue gas chilled fire extinguishing waste heat recovery process of a converter as claimed in claim 1, wherein: the chamber body is internally provided with a plurality of ring water baffles, the water baffles are positioned below a flue gas outlet of the chamber body, and the ring water baffles are arranged at intervals between the outer wall of the bottom of the tapered spray pipe and the inner wall of the chamber body.
3. The water cooling chamber device for a primary flue gas chilled fire extinguishing waste heat recovery process of a converter as claimed in claim 2, wherein: the water baffle is a curved plate.
4. The water cooling chamber device for a primary flue gas chilled fire extinguishing waste heat recovery process of a converter as claimed in claim 2, wherein: the indoor wire netting that still is provided with of room, the wire netting is located the breakwater top just is located the flue gas outlet below of the room body.
5. The water cooling chamber device for a primary flue gas chilled fire extinguishing waste heat recovery process of a converter as claimed in claim 4, wherein: the end of the water system is provided with a number of nozzles arranged around the tapering nozzle above the wire.
6. The water cooling chamber device for a primary flue gas chilled fire extinguishing waste heat recovery process of a converter as claimed in claim 1, wherein: the side wall of the chamber body is provided with an explosion venting valve, and the explosion venting valve is positioned above the liquid level.
7. The water cooling chamber device for a primary flue gas chilled fire extinguishing waste heat recovery process of a converter as claimed in claim 1, wherein: the upper end large opening of the tapered spray pipe is connected with one end of a compensator, and the other end of the compensator is used for being connected with a vaporization flue or a radiation waste heat boiler.
8. The water cooling chamber device for a primary flue gas chilled fire extinguishing waste heat recovery process of a converter as claimed in claim 1, wherein: the bottom of the chamber body is communicated with the mud storage tank through a drain pipe, and a drain valve is arranged on the drain pipe.
9. The water cooling chamber device for a primary flue gas chilled fire extinguishing waste heat recovery process of a converter as claimed in claim 8, wherein: the bottom of the chamber body is of an inverted cone structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320256056.8U CN219907745U (en) | 2023-02-20 | 2023-02-20 | Water cooling chamber device for primary flue gas chilling fire-extinguishing type waste heat recovery process of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320256056.8U CN219907745U (en) | 2023-02-20 | 2023-02-20 | Water cooling chamber device for primary flue gas chilling fire-extinguishing type waste heat recovery process of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219907745U true CN219907745U (en) | 2023-10-27 |
Family
ID=88440765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320256056.8U Active CN219907745U (en) | 2023-02-20 | 2023-02-20 | Water cooling chamber device for primary flue gas chilling fire-extinguishing type waste heat recovery process of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219907745U (en) |
-
2023
- 2023-02-20 CN CN202320256056.8U patent/CN219907745U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102094104B (en) | Process for removing dust from steelmaking converter flue gas by pure dry method and recovering heat energy synchronously, and waste heat boiler | |
| WO2011075878A1 (en) | Highly efficient and clean gasification apparatus for carbonaceous dry powder and method thereof | |
| CN201485480U (en) | Converter flue gas waste heat recovery and purifying dedusting device | |
| CN109529503A (en) | A kind of waste incinerator high-temperature smoke purifier | |
| CN107166977A (en) | A kind of closed vessel furnace furnace gas is reclaimed and cleaning treatment system | |
| CN103499098B (en) | A kind of high concentration organic waste liquid burning equipment and technique | |
| CN109234483B (en) | Blast furnace gas comprehensive treatment recovery device | |
| JP2015503642A (en) | Method and system for cooling and cleaning biomass synthesis gas | |
| CN212293640U (en) | Innocent treatment system of steelmaking converter flue gas | |
| CN109338030A (en) | A kind of converter gas dedusting and residual neat recovering system and method | |
| CN219907745U (en) | Water cooling chamber device for primary flue gas chilling fire-extinguishing type waste heat recovery process of converter | |
| CN214406091U (en) | Environment-friendly incineration boiler suitable for high-calorific-value dangerous waste liquid | |
| CN113005257A (en) | Converter flue gas treatment system and operation method thereof | |
| CN116240333A (en) | Water cooling chamber device for primary flue gas chilling fire-extinguishing type waste heat recovery process of converter | |
| CN103102993B (en) | Non-chilling anti-slagging radiant waste heat boiler and its application | |
| CN208911683U (en) | Gas discharging apparatus in a kind of waste mineral oil purification process | |
| CN209338597U (en) | A kind of converter gas dedusting and residual neat recovering system | |
| CN116240332A (en) | Method and device for recovering waste heat of primary flue gas chilled fire extinguishing type converter | |
| CN203323138U (en) | Incinerator recycling precious metals from carbon carrier catalyst containing precious metals | |
| CN214612612U (en) | Converter flue gas treatment system | |
| CN207132737U (en) | A kind of closed vessel furnace furnace gas recovery and cleaning treatment system | |
| CN211199269U (en) | Converter flue gas waste heat recovery system | |
| CN213113232U (en) | Coal gas cleaning device and coal gas system | |
| CN109135841B (en) | Spray alkali washing tower | |
| CN218989297U (en) | Reducing flue for blast furnace slag flushing water flue gas air cooling white tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |