CN219531691U - Vaporization cooling tank cover of electric furnace scrap steel preheating tank - Google Patents
Vaporization cooling tank cover of electric furnace scrap steel preheating tank Download PDFInfo
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- CN219531691U CN219531691U CN202320550685.1U CN202320550685U CN219531691U CN 219531691 U CN219531691 U CN 219531691U CN 202320550685 U CN202320550685 U CN 202320550685U CN 219531691 U CN219531691 U CN 219531691U
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- 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
- Y02P10/20—Recycling
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Abstract
The utility model relates to an electric furnace scrap steel preheating tank vaporization cooling tank cover, which belongs to the technical field of steam and comprises a tank cover body, water inlet tanks positioned at two sides of the tank cover body and a water outlet tank positioned at the top of the tank cover body, wherein the tank cover body comprises a water cooling wall positioned between the water inlet tank and the water outlet tank, the water cooling wall comprises a plurality of water cooling wall pipes which are sequentially arranged along the extending direction of the tank cover body, and the upper end and the lower end of each water cooling wall pipe are respectively communicated with the water outlet tank and the water inlet tank. The groove cover structure can realize the steam recovery of the circulating water, the circulating water enters the water cooling wall pipe through the water inlet tanks at the two sides of the groove cover body and is converged into the water outlet tank from bottom to top, and the water outlet of the water outlet tank enters the steam-water separation device connected with the water outlet tank to recover steam.
Description
Technical Field
The utility model belongs to the technical field of steam, and relates to a vaporization cooling tank cover of an electric furnace scrap steel preheating tank.
Background
Vaporization cooling of an electric furnace is one of the important means for realizing energy recovery, which is used for recovering and utilizing heat of flue gas generated in the production process of the electric furnace. At present, when utilizing electric furnace flue gas waste heat to waste steel, the waste steel waste heat device used by the CONSTEEL horizontal continuous charging electric arc furnace needs to ensure the length of a waste steel preheating groove for strengthening the waste steel preheating effect, and is designed into a groove body structure with incomplete horizontal arrangement and section change, and the groove cover in a simple transverse dense-arrangement mode is difficult to meet the requirement. Meanwhile, the circulating water cooling mode adopted by the existing scrap steel preheating tank not only increases the investment of circulating water facilities, but also can not effectively utilize the absorbed heat, and often causes waste of flue gas heat.
Disclosure of Invention
In view of the above, the utility model aims to provide a vaporization cooling tank cover of an electric furnace scrap steel preheating tank so as to realize recovery of flue gas waste heat.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an electric stove steel scrap preheating tank vaporization cooling tank cover, includes the tank cover body, is located the inlet tank of tank cover body both sides, is located the play water tank at tank cover body top, and the tank cover body is including being located the water-cooling wall between inlet tank and the play water tank, and the water-cooling wall includes a plurality of water-cooling wall pipes of arranging in order along tank cover body extending direction, and the upper and lower both ends of water-cooling wall pipe communicate with play water tank and inlet tank respectively.
Optionally, the water outlet of the water outlet tank is connected with a steam-water separation device, circulating water enters the water cooling wall pipe through the water inlet tanks at two sides of the tank cover body and is converged into the water outlet tank from bottom to top, and enters the steam-water separation device from the water outlet of the water outlet tank to recover steam.
Optionally, a plurality of support rods are arranged at intervals on two sides of the water outlet tank, and the upper end and the lower end of each support rod are respectively connected with the water outlet tank and the water inlet tank to support the water outlet tank.
Optionally, the support bar is located outside the water wall.
Optionally, the tank cover body is of a sectional structure and comprises a plurality of tank cover body sections connected in sequence, and the water inlet tank and the water outlet tank are of a header structure so as to be matched with the length of the tank cover body sections.
Optionally, flanges are arranged at two ends of the groove cover body sections, and adjacent groove cover body sections are connected through the flanges.
Alternatively, the waterwall tube is a film wall tube.
The utility model has the beneficial effects that: the groove cover can effectively recover the waste heat of the flue gas in a vaporization cooling mode, so that the utilization efficiency of the waste heat of the flue gas of the electric furnace is improved; the water cooling wall adopts a wall pipe structure which is densely arranged, so that the section of the channel of the scrap steel preheating tank corresponds to a group of wall pipes, and the section design requirements of different tank bodies can be met by adjusting the length and arrangement of the wall pipes; meanwhile, according to the length of the scrap steel preheating tank body, different numbers of cooling wall pipes are combined, and the tank cover is made into a multi-section combined structure, so that the lifting and the maintenance are convenient; the vertical water wall tube with lower inlet and upper outlet is adopted, the smooth flowing resistance is small, the wall tube is heated uniformly, and the service life is long.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the vaporization cooling tank cover of the electric furnace scrap steel preheating tank.
Reference numerals: the waste steel preheating tank flue 1, a water inlet tank 2, a water inlet 3, a water outlet tank 4, a water outlet 5, a water wall pipe 6, a supporting component 7 and a connecting component 8.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the utility model; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present utility model, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, an electric furnace scrap steel preheating tank vaporization cooling tank cover comprises a tank cover body, water inlet tanks 2 positioned at two sides of the tank cover body, and a water outlet tank 4 positioned at the top of the tank cover body, wherein the tank cover body comprises a water cooling wall positioned between the water inlet tanks 2 and the water outlet tank 4, the water cooling wall comprises a plurality of water cooling wall pipes 6 sequentially arranged along the extending direction of the tank cover body, and the upper end and the lower end of each water cooling wall pipe 6 are respectively communicated with the water outlet tank 4 and the water inlet tank 2.
The groove cover structure can realize the steam recovery of the circulating water, the circulating water enters the water cooling wall pipe 6 through the water inlet tanks 2 at the two sides of the groove cover body, and is converged into the water outlet tank 4 from bottom to top, and enters the steam-water separation device connected with the water outlet tank 4 through the water outlet 5 of the water outlet tank 4 to recover steam.
Optionally, a plurality of support rods are arranged at intervals on two sides of the water outlet tank 4, and the upper end and the lower end of each support rod are respectively connected with the water outlet tank 4 and the water inlet tank 2 to support the water outlet tank 4; the support rod is positioned at the outer side of the water-cooled wall; the tank cover body is of a sectional structure and comprises a plurality of tank cover body sections which are connected in sequence, and the water inlet tank 2 and the water outlet tank 4 are of a header structure so as to be matched with the lengths of the tank cover body sections; flanges are arranged at two ends of the groove cover body sections, and adjacent groove cover body sections are connected through the flanges; the water wall pipe 6 is a film wall pipe; the water inlet tank 2 is provided with a sewage drain.
Examples
The vaporization cooling tank cover of the electric furnace scrap steel preheating tank comprises a water inlet tank 2, a water outlet tank 4, a water cooling wall pipe 6, a supporting component 7 and a connecting component 8. The water wall pipe 6 adopts a film wall pipe, is connected with the water inlet tank 2 and the water outlet tank 4, and is arranged side by side to form a water wall. The water cooling wall can adapt to the structural forms of different section changes of the waste steel waste heat tank by adopting the water cooling wall pipe combination with different lengths and arrangements. The water inlet tank 2 is of a header structure, is positioned below two sides of the tank cover, is provided with a water inlet 3 at the outer side, and the water inlet 3 is connected with a circulating water inlet main pipe to uniformly supply water for the water wall pipe 6. The water outlet tank 4 is of a header structure and is positioned at the top of the tank cover, water outlet pipes of the water wall pipes 6 on two sides are collected, a water outlet 5 is arranged on the outer side of the water outlet tank, the water outlet 5 is connected to a water outlet main pipe, and the water outlet main pipe is connected with a steam-water separation device for recovering steam. The supporting component 7 is used as a stress structure to be connected with the tank cover and placed on the scrap steel preheating tank, and the connecting component 8 is used for connecting the tank cover with the upstream and downstream flues.
The flue gas generated by the electric furnace enters a waste steel preheating groove flue 1, and steam is generated by heat exchange through a water cooling wall pipe 6 in a groove cover while the waste steel is preheated. Circulating water enters the water inlet tank 2 through water inlets 3 at two sides of the tank cover, then enters the water wall pipe 6, absorbs heat of flue gas and becomes saturated steam-water mixture, and is converged into the water outlet tank 4 from bottom to top, is sent out through the water outlet 5, and enters the steam-water separation device to recover steam.
The water inlet and outlet of the water-cooled wall adopts a structure of lower inlet and upper outlet and two inlets and one outlet, the water inlet pipes at two sides of the tank body are respectively connected with the two water inlet tanks 2, the water outlet pipe is connected to the water outlet tank 4 at the top of the tank cover, the flow of the steam-water two-phase flow is smooth, and the resistance is small. The water-cooling wall adopts a pipeline arrangement mode, and meanwhile, the tank cover is made into a combined type sectional structure, so that the water-cooling wall can adapt to the design of waste steel waste heat tanks with different gradient shapes and section sizes, and is convenient for lifting and overhauling the device.
The groove cover can effectively recover the waste heat of the flue gas in a vaporization cooling mode, so that the utilization efficiency of the waste heat of the flue gas of the electric furnace is improved; the water cooling wall adopts a wall pipe structure which is longitudinally and densely arranged, so that the section of the channel of the scrap steel preheating tank corresponds to one group of wall pipes, and the design requirements of different tank sections can be met by adjusting the length and arrangement of the wall pipes; meanwhile, according to the length of the scrap steel preheating tank body, different numbers of cooling wall pipes are combined, and the tank cover is made into a multi-section combined structure, so that the lifting and the maintenance are convenient; the vertical water wall tube with lower inlet and upper outlet is adopted, the smooth flowing resistance is small, the wall tube is heated uniformly, and the service life is long.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.
Claims (7)
1. The utility model provides an electric stove steel scrap preheating tank vaporization cooling tank cover which characterized in that: including the capping body, be located the inlet tank of capping body both sides, be located the play water tank at capping body top, the capping body is including being located the water-cooling wall between inlet tank and the play water tank, and the water-cooling wall includes a plurality of water-cooling wall pipes that arrange in order along capping body extending direction, and the upper and lower both ends of water-cooling wall pipe communicate with play water tank and inlet tank respectively.
2. The vaporization cooling tank cover of an electric furnace scrap preheating tank in accordance with claim 1, wherein: the water outlet of the water outlet tank is connected with a steam-water separation device, circulating water enters the water wall pipe through the water inlet tanks at the two sides of the tank cover body and is converged into the water outlet tank from bottom to top, and enters the steam-water separation device from the water outlet of the water outlet tank to recover steam.
3. The vaporization cooling tank cover of an electric furnace scrap preheating tank in accordance with claim 1, wherein: a plurality of support rods are arranged at intervals on two sides of the water outlet tank, and the upper end and the lower end of each support rod are respectively connected with the water outlet tank and the water inlet tank to support the water outlet tank.
4. A vaporization cooling tank cover for an electric furnace scrap preheating tank in accordance with claim 3, wherein: the support rod is positioned at the outer side of the water cooling wall.
5. A vaporization cooling tank cover for an electric furnace scrap preheating tank in accordance with claim 3, wherein: the tank cover body is of a sectional structure and comprises a plurality of tank cover body sections which are connected in sequence, and the water inlet tank and the water outlet tank are of a header structure so as to be matched with the length of the tank cover body sections.
6. The vaporization cooling bath cover for an electric furnace scrap preheating bath according to claim 5, wherein: flanges are arranged at two ends of the groove cover body sections, and adjacent groove cover body sections are connected through the flanges.
7. The vaporization cooling tank cover of an electric furnace scrap preheating tank in accordance with claim 1, wherein: the water wall tube is a film wall tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550685.1U CN219531691U (en) | 2023-03-20 | 2023-03-20 | Vaporization cooling tank cover of electric furnace scrap steel preheating tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550685.1U CN219531691U (en) | 2023-03-20 | 2023-03-20 | Vaporization cooling tank cover of electric furnace scrap steel preheating tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219531691U true CN219531691U (en) | 2023-08-15 |
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ID=87644261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320550685.1U Active CN219531691U (en) | 2023-03-20 | 2023-03-20 | Vaporization cooling tank cover of electric furnace scrap steel preheating tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219531691U (en) |
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2023
- 2023-03-20 CN CN202320550685.1U patent/CN219531691U/en active Active
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