CN220871518U - Casting blank heat recovery device for secondary cooling chamber of continuous casting machine - Google Patents
Casting blank heat recovery device for secondary cooling chamber of continuous casting machine Download PDFInfo
- Publication number
- CN220871518U CN220871518U CN202322641645.0U CN202322641645U CN220871518U CN 220871518 U CN220871518 U CN 220871518U CN 202322641645 U CN202322641645 U CN 202322641645U CN 220871518 U CN220871518 U CN 220871518U
- Authority
- CN
- China
- Prior art keywords
- heat
- continuous casting
- cooling chamber
- outlet pipe
- water outlet
- 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
- 238000005266 casting Methods 0.000 title claims abstract description 40
- 238000009749 continuous casting Methods 0.000 title claims abstract description 39
- 238000001816 cooling Methods 0.000 title claims abstract description 37
- 238000011084 recovery Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 12
- 239000002893 slag Substances 0.000 claims abstract description 7
- 241000237983 Trochidae Species 0.000 claims description 21
- 239000012535 impurity Substances 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 11
- 239000010959 steel Substances 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Continuous Casting (AREA)
Abstract
The utility model discloses a heat recovery device for a casting blank in a secondary cooling chamber of a continuous casting machine, belongs to the field of heat recovery devices, and solves the problem that the existing sensible heat technology of the continuous casting blank does not utilize heat generated by the casting blank in the secondary cooling chamber. The device comprises a heat collection assembly and a heat dissipation assembly, wherein the heat collection assembly is arranged right below a withdrawal and straightening machine of a secondary cooling chamber, and the heat dissipation assembly is arranged in a covering slag baking room; the heat collection assembly comprises a heat exchange box, a plurality of partition boards are arranged in the heat exchange box, flow holes are formed in opposite ends of two adjacent partition boards so as to divide an inner cavity of the heat exchange box into S-shaped flow channels, a water inlet pipe and a water outlet pipe which are communicated with the S-shaped flow channels are respectively arranged at two ends of the heat exchange box, and the other end of the water outlet pipe is communicated with the heat dissipation assembly through a conveying pipeline. The heat recovery device for the casting blank in the second cooling chamber of the continuous casting machine utilizes the heat of the casting blank in the second cooling chamber to bake the materials added into molten steel in continuous casting, thereby further reducing the energy consumption of the steel industry and the production cost of enterprises.
Description
Technical Field
The utility model relates to the technical field of heat recovery, in particular to a casting blank heat recovery device of a secondary cooling chamber of a continuous casting machine.
Background
The iron and steel industry is taken as the high-energy-consumption industry, the energy consumption of the iron and steel industry is about 24 percent of the total cost, a series of waste heat and residual energy recycling projects are developed for each enterprise, and great contribution is made to energy conservation and consumption reduction of the iron and steel industry. The sensible heat of the continuous casting blank is mainly utilized in the current continuous casting area, the temperature of the casting blank entering the furnace is improved mainly through a hot charging and hot delivering technology, and the energy consumption is reduced, for example, the patent number is: the CN 202719890U-continuous casting machine hot billet high-temperature heat recycling device can effectively utilize heat emitted by the continuous casting hot billet in the triple-cooling zone and the front cutting zone of the continuous casting machine.
However, sensible heat of the continuous casting blank is not only utilized by heat of the casting blank after cutting, but also a large amount of heat of the continuous casting blank in the secondary cooling chamber is available, and many enterprises do not utilize the heat generated by the casting blank in the secondary cooling chamber at present. Therefore, a device for recovering heat of a casting blank in a secondary cooling chamber of a continuous casting machine is designed.
Disclosure of utility model
The utility model aims to solve the technical problems of the prior art, and provides a device for recovering heat of a casting blank in a secondary cooling chamber of a continuous casting machine, which utilizes the heat of the casting blank in the secondary cooling chamber to bake materials added into molten steel in continuous casting, thereby further reducing the energy consumption of the steel industry and the production cost of enterprises.
The technical scheme of the utility model is as follows: the heat recovery device for the casting blank in the second cooling chamber of the continuous casting machine comprises a heat collection assembly and a heat radiation assembly, wherein the heat collection assembly is arranged right below a withdrawal and straightening machine in the second cooling chamber, and the heat radiation assembly is arranged in a covering slag baking room; the heat collection assembly comprises a heat exchange box, a plurality of partition boards are arranged in the heat exchange box, flow holes are formed in opposite ends of two adjacent partition boards to divide an inner cavity of the heat exchange box into S-shaped flow channels, a water inlet pipe and a water outlet pipe which are communicated with the S-shaped flow channels are respectively arranged at two ends of the heat exchange box, and the other end of the water outlet pipe is communicated with the heat dissipation assembly through a conveying pipeline; the heat exchange box comprises a bottom shell and a top shell, wherein the bottom shell and the top shell are connected through a connecting flange, and the partition plate, the water inlet pipe and the water outlet pipe are all arranged on the bottom shell.
As a further improvement, the top surface of the top shell is of an arc-shaped structure with two low sides and a high middle, and the bottom surface of the bottom shell is an inclined surface inclined towards one side of the water outlet pipe.
Furthermore, the outer edges of the bottom shell and the top shell are respectively provided with a connecting flange, sealing rings are arranged between the connecting flanges, and the connecting flanges are connected through bolt fastening.
Further, the heat radiation component comprises heat radiation pipes which are bent and circuitously arranged, the heat radiation pipes are arranged at the bottom of the covering slag baking room, and the heat radiation pipes are communicated with the conveying pipeline.
Further, a water outlet pipe on one side of the conveying pipeline is connected with a collecting cylinder for collecting solid impurities in a threaded manner.
Further, a funnel is further arranged in the water outlet pipe between the collecting cylinder and the conveying pipeline, a discharge hole of the funnel is arranged towards one side of the collecting cylinder, and the outer edge of a feed inlet of the funnel is fixedly welded with the inner wall of the water outlet pipe.
Advantageous effects
Compared with the prior art, the utility model has the following advantages:
1. According to the heat recovery device for the casting blank in the second cooling chamber of the continuous casting machine, the heat collection component is arranged below the withdrawal and straightening machine in the second cooling chamber of the continuous casting machine, heat is generated on the surface of the casting blank in the withdrawal and straightening machine, the water temperature in the heat exchange box can be rapidly increased, the water temperature is introduced into the casting powder baking room through the conveying pipeline, the current use of steam for baking the casting powder is replaced, so that the steam use amount is reduced, the material added into molten steel in continuous casting is baked by utilizing the heat of the casting blank in the second cooling chamber, and the energy consumption in the steel industry and the production cost of enterprises are further reduced.
2. According to the casting blank heat recovery device of the continuous casting machine secondary cooling chamber, the heat exchange box is of the detachable structure comprising the bottom shell and the top shell, after the casting blank heat recovery device is used for a period of time, the top shell and the inner wall of the bottom shell can be cleaned by opening the top shell, dirt is removed, the heat exchange efficiency of the heat exchange box is guaranteed, and the disassembly and maintenance are very convenient.
3. According to the heat recovery device for the casting blank in the second cooling chamber of the continuous casting machine, the collecting cylinder and the funnel are arranged on the water outlet pipe, so that solid impurities such as stones or scrap iron and the like contained in circulating water can fall into the collecting cylinder under the action of self gravity at the joint of the conveying pipeline and the water outlet pipe in the using process, the impurities in the water are filtered, the problem of pipeline blockage or heat exchange efficiency influence is avoided, and meanwhile, due to the funnel, the solid impurities can be prevented from flowing back into the water outlet pipe, and the structure is quite ingenious.
Drawings
FIG. 1 is a schematic top view of the present utility model;
FIG. 2 is an enlarged schematic top view of a heat collecting assembly according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2;
Fig. 4 is an enlarged schematic view of a side sectional structure of the heat exchange tank of the present utility model.
Wherein: 1-mold flux baking room, 2-heat exchange box, 3-baffle, 4-flow hole, 5-S-shaped flow channel, 6-inlet pipe, 7-outlet pipe, 8-conveying pipeline, 9-radiating pipe, 10-collecting cylinder, 11-funnel, 21-bottom shell, 22-top shell and 23-connecting flange.
Detailed Description
The utility model will be further described with reference to specific embodiments in the drawings.
Referring to fig. 1-4, the heat recovery device for the casting blank in the second cooling chamber of the continuous casting machine comprises a heat collection component and a heat dissipation component, wherein the heat collection component is used for collecting the heat of the casting blank in the second cooling chamber of the continuous casting machine, the heat collection component is arranged right below a withdrawal and straightening machine in the second cooling chamber of the continuous casting machine, the heat dissipation component is used for dissipating and reutilizing the collected heat, and the heat dissipation component is arranged in a casting powder baking room 1; the heat collection assembly comprises a heat exchange box 2, a plurality of partition boards 3 are arranged in the heat exchange box 2, the partition boards 3 are arranged in parallel and distributed at equal intervals, the opposite ends of two adjacent partition boards 3 are respectively provided with a flow hole 4 so as to divide the inner cavity of the heat exchange box 2 into S-shaped flow channels 5, the retention time of water passing through two cooling chambers is mainly prolonged so as to rise the temperature of the water in the heat exchange box 2, a water inlet pipe 6 and a water outlet pipe 7 which are communicated with the S-shaped flow channels 5 are respectively arranged at two ends of the heat exchange box 2, the other end of the water outlet pipe 7 is communicated with the heat dissipation assembly through a conveying pipeline 8, and the heated water is conveyed into the covering slag baking room 1.
According to the heat recovery device for the casting blank in the second cooling chamber of the continuous casting machine, the heat collection component is arranged below the withdrawal and straightening machine in the second cooling chamber of the continuous casting machine, heat is generated on the surface of the casting blank in the withdrawal and straightening machine, the water temperature in the heat exchange box can be rapidly increased, the water temperature is introduced into the casting powder baking room through the conveying pipeline, the current use of steam for baking the casting powder is replaced, so that the steam use amount is reduced, the material added into molten steel in continuous casting is baked by utilizing the heat of the casting blank in the second cooling chamber, and the energy consumption in the steel industry and the production cost of enterprises are further reduced.
The data conditions during operation of the heat recovery device are shown in the following table:
| Temperature/. Degree.C at water inlet pipe | Temperature/DEGC at the water outlet pipe | Water-cooled vertical plate area/-square meter | Temperature difference of water/°c |
| 31 | 59 | 6 | 28 |
| 32 | 61 | 6 | 29 |
| 31 | 58 | 6 | 27 |
| 30 | 58 | 6 | 28 |
| 30 | 60 | 6 | 30 |
| 31 | 62 | 6 | 31 |
| 31 | 63 | 6 | 32 |
| 32 | 63 | 6 | 31 |
| 31 | 59 | 6 | 28 |
| 30 | 61 | 6 | 31 |
| 31 | 61 | 6 | 30 |
| 31 | 59 | 6 | 28 |
| 31 | 62 | 6 | 31 |
Therefore, by adopting the heat recovery device, the water temperature after heat exchange of the heat exchange box can reach about 60 ℃ which is higher than the temperature required by the covering slag baking room 1, thereby meeting the baking of the covering slag.
Preferably, the heat exchange box 2 comprises a bottom shell 21 and a top shell 22, wherein the bottom shell 21 and the top shell 22 are connected through a connecting flange 23, the partition plate 3, the water inlet pipe 6 and the water outlet pipe 7 are all installed on the bottom shell 21, the connecting flange 23 is specifically arranged at the outer edges of the bottom shell 21 and the top shell 22, a sealing ring is arranged between the connecting flanges 23, the tightness of the heat exchange box 2 is ensured, and the connecting flanges 23 are connected through bolt fastening, so that the detachable connection of the residual top shell 22 of the bottom shell 21 is realized.
The casting blank heat recovery device of the continuous casting machine secondary cooling chamber of the embodiment has the advantages that the heat exchange box is of a detachable structure comprising the bottom shell and the top shell, after the continuous casting machine secondary cooling chamber heat recovery device is used for a period of time, the top shell can be opened to clean the inner walls of the top shell and the bottom shell, dirt is removed, the heat exchange efficiency of the heat exchange box is guaranteed, and the disassembly, the assembly and the maintenance are very convenient.
Preferably, the top surface of the top shell 22 is of an arc-shaped structure with two low sides and a high middle, and impurities falling on the top surface of the heat exchange box 2 can slide along the two sides of the top shell 22, so that the problem that the impurities are accumulated on the top shell 22 and further the heat exchange efficiency is affected is prevented; the bottom surface of the bottom shell 21 is an inclined surface inclined towards one side of the water outlet pipe 7, so that water flow and solid impurities can slide towards one side of the water outlet pipe 7 conveniently.
Preferably, the heat dissipation assembly comprises a heat dissipation pipe 9 which is bent and circuitously arranged, the heat dissipation pipe 9 is arranged at the bottom of the mold flux baking room 1, and the heat dissipation pipe 9 is communicated with the conveying pipeline 8. The heat dissipation pipes 9 which are arranged in a bending and roundabout way mainly prolong the stay time of the raised water pipes in the casting powder baking room, so that more heat is dissipated through the pipe walls to bake the continuous casting materials, and finally, the steam usage amount is reduced.
Preferably, a collecting cylinder 10 for collecting solid impurities is connected to the water outlet pipe 7 at one side of the conveying pipeline 8 in a threaded manner. Further, a funnel 11 is further arranged in the water outlet pipe 7 between the collecting cylinder 10 and the conveying pipeline 8, a discharge hole of the funnel 11 is arranged towards one side of the collecting cylinder 10, and the outer edge of a feed hole of the funnel 11 is fixedly welded with the inner wall of the water outlet pipe 7.
The utility model provides a two cold room casting blank heat recovery unit of conticaster through design collection cylinder and funnel on the outlet pipe, at the in-process of using, and solid impurity that contains in the circulating water, like stone or iron fillings etc. in the junction through pipeline and outlet pipe, in its self gravity effect, can fall into the collection cylinder, filter the impurity in the water to avoid causing the problem of pipeline jam or influencing heat exchange efficiency, the design of funnel simultaneously can prevent that solid impurity from flowing back to in the outlet pipe, and the structure is very ingenious.
While only the preferred embodiments of the present utility model have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (6)
1. The casting blank heat recovery device of the second cooling chamber of the continuous casting machine is characterized by comprising a heat collection assembly and a heat dissipation assembly, wherein the heat collection assembly is arranged right below a withdrawal and straightening machine of the second cooling chamber of the continuous casting machine, and the heat dissipation assembly is arranged in a covering slag baking room (1); the heat collection assembly comprises a heat exchange box (2), a plurality of partition boards (3) are arranged in the heat exchange box (2), flow holes (4) are formed in opposite ends of two adjacent partition boards (3) so as to divide an inner cavity of the heat exchange box (2) into S-shaped flow channels (5), a water inlet pipe (6) and a water outlet pipe (7) which are communicated with the S-shaped flow channels (5) are respectively arranged at two ends of the heat exchange box (2), and the other end of the water outlet pipe (7) is communicated with the heat dissipation assembly through a conveying pipeline (8); the heat exchange box (2) comprises a bottom shell (21) and a top shell (22), the bottom shell (21) and the top shell (22) are connected through a connecting flange (23), and the partition plate (3), the water inlet pipe (6) and the water outlet pipe (7) are all arranged on the bottom shell (21).
2. The heat recovery device for casting blanks in two cooling chambers of a continuous casting machine according to claim 1, wherein the top surface of the top shell (22) is of an arc-shaped structure with two low sides and a high middle, and the bottom surface of the bottom shell (21) is an inclined surface inclined towards one side of the water outlet pipe (7).
3. The heat recovery device for casting blanks in two cooling chambers of a continuous casting machine according to claim 1, wherein the outer edges of the bottom shell (21) and the top shell (22) are respectively provided with a connecting flange (23), sealing rings are arranged between the connecting flanges (23), and the connecting flanges (23) are connected through bolt fastening.
4. The heat recovery device for the casting blank in the second cooling chamber of the continuous casting machine according to claim 1, wherein the heat radiation component comprises a heat radiation pipe (9) which is bent and circuitously arranged, the heat radiation pipe (9) is arranged at the bottom of the casting powder baking room (1), and the heat radiation pipe (9) is communicated with the conveying pipeline (8).
5. The heat recovery device for casting blanks in two cooling chambers of a continuous casting machine according to any one of claims 1 to 4, wherein a water outlet pipe (7) at one side of the conveying pipeline (8) is connected with a collecting cylinder (10) for collecting solid impurities in a threaded manner.
6. The continuous casting machine secondary cooling chamber casting blank heat recovery device according to claim 5, wherein a funnel (11) is further arranged in the water outlet pipe (7) between the collecting cylinder (10) and the conveying pipeline (8), a discharge hole of the funnel (11) is arranged towards one side of the collecting cylinder (10), and the outer edge of a feed hole of the funnel (11) is welded and fixed with the inner wall of the water outlet pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322641645.0U CN220871518U (en) | 2023-09-25 | 2023-09-25 | Casting blank heat recovery device for secondary cooling chamber of continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322641645.0U CN220871518U (en) | 2023-09-25 | 2023-09-25 | Casting blank heat recovery device for secondary cooling chamber of continuous casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220871518U true CN220871518U (en) | 2024-04-30 |
Family
ID=90815822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322641645.0U Active CN220871518U (en) | 2023-09-25 | 2023-09-25 | Casting blank heat recovery device for secondary cooling chamber of continuous casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220871518U (en) |
-
2023
- 2023-09-25 CN CN202322641645.0U patent/CN220871518U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220871518U (en) | Casting blank heat recovery device for secondary cooling chamber of continuous casting machine | |
| CN217077508U (en) | Gasification furnace for coal chemical industry | |
| CN216688010U (en) | Cooling structure for dry coke quenching | |
| CN108731517A (en) | Exhaust heat of slag flushing water recycling adjustable clearance heat exchanger plates beam | |
| CN202876591U (en) | Particle removal current equalizer for exhaust gas of waste heat boiler | |
| CN110715557A (en) | Furnace flue gas waste heat recovery heat exchanger | |
| CN212869735U (en) | Vertical screwed smoke tube economizer | |
| CN113606956A (en) | Waste heat recovery system for volatile kiln tail slag | |
| CN103968690A (en) | Plate detachable particulate matter heat exchanger | |
| CN202048820U (en) | Special heat exchanger for blast furnace slag flushing water | |
| CN209840728U (en) | Cooling device for rock wool curing front end | |
| CN221054028U (en) | Hot air utilization device of blast furnace blower | |
| US3661372A (en) | Water-cooled panel | |
| CN218510858U (en) | Novel anti-abrasion and anti-dust-deposition heating surface pipe anti-abrasion cover | |
| CN203052684U (en) | Combined type heat dissipation wallboard and deslagging water tank applying same | |
| CN212039402U (en) | Bias flow device is prevented to vertical runner flue gas | |
| CN210486539U (en) | Novel water heat exchanger | |
| CN111174582A (en) | Grate bed module arrangement structure of grate cooler | |
| CN210952382U (en) | Combined choke grid plate | |
| CN213101180U (en) | High-temperature dust removal and heat exchange integrated equipment | |
| CN217785103U (en) | Anti-abrasion flow guide plate for water cooling wall of boiler | |
| CN220817791U (en) | Tail flue gas recycling system of waste heat boiler | |
| CN220624927U (en) | External hot air exhaust pipe of grate cooler | |
| CN216845763U (en) | Novel feeding cooling system | |
| CN211717226U (en) | Movable easy-to-clean plate heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |