Novel cooling equipment for shaft furnace

Abstract

The utility model relates to the technical field of cooling equipment, in particular to novel cooling equipment for a shaft furnace, which comprises an inner-layer cooling structure and an outer-layer cooling structure, the inner-layer cooling structure comprises an inner cylinder, a first ring cover, liquid guide grooves and a second ring cover, two ends of the inner cylinder are respectively connected with the first ring cover and the second ring cover, and the outer wall of the inner cylinder is provided with a plurality of liquid guide grooves. The outer-layer cooling structure comprises an annular cylinder, supporting screws, limiting nuts, an outer cylinder and a liquid passing pipe, the outer cylinder sleeves the inner cylinder and is connected with the supporting screws, the annular cylinder sleeves the outer wall of the outer cylinder, the supporting screws penetrate through the annular cylinder, the limiting nuts are connected to the supporting screws, and the limiting nuts are connected to the liquid passing pipe. And the limiting nuts are located on the two sides of the annular cylinder, the annular cylinder is communicated with a plurality of liquid passing pipes used for conveying cooling liquid, and the cooling device has the advantages that the cooling effect at the position of the shell is improved, the cooling effect of different areas is improved, and the adaptability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling equipment, in particular to a novel cooling equipment for a shaft furnace. Background Art

[0002] A shaft furnace is a device with a vertical furnace body. It often uses the high-temperature waste gas discharged from an electric arc furnace to preheat scrap steel in a shaft to achieve efficient energy utilization. The cooling device on the shaft furnace is an important part of the shaft furnace system, mainly used for cooling the material after roasting. The cooling equipment can reduce the temperature of the heated parts, which is beneficial to the cooling and forming of products. The shaft furnace cooling device reduces the temperature of the processed products and can provide a better low-temperature environment effect. When the temperature of the shell needs to be reduced, natural cooling is not conducive to maintaining the temperature adjustment at the cooling place, and when the cooling effect of some parts needs to be enhanced, using a fixed shell is not conducive to improving the cooling effect in some areas. Summary of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] In view of the deficiencies of the prior art, the utility model provides a novel cooling equipment for a shaft furnace, which has the effects of improving the cooling effect at the shell, adapting to improving the cooling effect in different areas, and improving adaptability.

[0005] (2) Technical Solutions

[0006] To achieve the above object, the utility model provides the following technical solutions: A novel cooling equipment for a shaft furnace includes an inner layer cooling structure and an outer layer cooling structure;

[0007] The inner layer cooling structure includes an inner cylinder, a first annular cover, a liquid guide groove, and a second annular cover. The two ends of the inner cylinder are respectively connected to the first annular cover and the second annular cover. A plurality of liquid guide grooves are arranged on the outer wall of the inner cylinder. The liquid guide grooves are spirally coiled, and the cross-section of the liquid guide groove is square. A plurality of water through holes one are arranged on the first annular cover, and a plurality of water through holes two are arranged on the second annular cover;

[0008] The outer layer cooling structure includes an annular cylinder, a support screw, a limit nut, an outer cylinder, and a liquid through pipe. The outer cylinder is sleeved outside the inner cylinder. The outer cylinder is connected to a plurality of support screws. An annular cylinder is sleeved on the outer wall of the outer cylinder. The support screw passes through the annular cylinder, and a plurality of limit nuts are connected to the support screw. The limit nuts are located on both sides of the annular cylinder. A plurality of liquid through pipes for transporting coolant are communicated with the annular cylinder.

[0009] Preferably, the inner layer cooling structure further includes a limiting groove, a plug plate, a temperature sensor and a pressure sensor. A plurality of limiting grooves are provided on the outer cylinder, and the limiting grooves communicate with the liquid guiding grooves. A plurality of plug plates are connected to the second annular cover, and the plug plates are located inside the limiting grooves. A temperature sensor and a pressure sensor are connected to the plug plates. The temperature sensor is used to detect the temperature of the transmitted coolant, and the pressure sensor is used to detect the pressure of the transmitted coolant.

[0010] Preferably, the first annular cover includes a first extension groove. A first extension groove is provided at one end of the first annular cover facing the inner cylinder. The first extension groove communicates with the liquid guiding groove, and the first extension groove communicates with the first water through hole on the first annular cover.

[0011] Preferably, the second annular cover includes a second extension groove. A second extension groove is provided on the second annular cover. The second extension groove communicates with the liquid guiding groove, and the second extension groove communicates with the second water through hole on the second annular cover.

[0012] Preferably, the outer layer cooling structure further includes a convex plate. A plurality of convex plates are connected to the outer cylinder, and the convex plates are connected to the respective support screw rods.

[0013] Preferably, the inner layer cooling structure further includes a liquid guiding pipe. A plurality of liquid guiding pipes are connected to the second annular cover, and the liquid guiding pipes communicate with the second water through holes on the second annular cover.

[0014] Preferably, a groove corresponding to the liquid guiding groove is provided on the inner wall of the outer cylinder.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present utility model provides a novel cooling device for a shaft furnace, having the following

[0017] beneficial effects:

[0018] For the novel cooling device for the shaft furnace, the coolant is transmitted through the first water through hole on the first annular cover, the liquid guiding groove and the second water through hole on the second annular cover, and the coolant is circulated in the area around the liquid guiding groove, so that the transmitted cooling energy is evenly distributed on the outer wall of the liquid guiding groove, and the transmitted coolant can conduct heat evenly. By adopting such a square cross-section form, it can be adapted to transmit the coolant over a large area, improve the cooling effect, and by adjusting the position of the annular cylinder after loosening the limit nut in the outer layer cooling structure, the annular cylinder can cool different areas on the outer cylinder, which is suitable for improving the cooling effect of different areas and improving the adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a front view structural diagram of the present utility model;

[0021] Figure 3 is the present utility model Figure 2Schematic cross-sectional structure diagram at A-A in [the figure];

[0022] Figure 4 This is for the present utility model Figure 2 Schematic cross-sectional structure diagram at B-B in [the figure];

[0023] Figure 5 Schematic three-dimensional structure diagram inside the outer cylinder of the present utility model;

[0024] Figure 6 Schematic exploded three-dimensional structure diagram of the present utility model;

[0025] Figure 7 Schematic exploded three-dimensional structure diagram of the present utility model.

[0026] Reference signs in the drawings: 1, inner cylinder; 2, first ring cover; 3, liquid guide groove; 4, first extension groove; 5, limit groove; 6, second ring cover; 7, second extension groove; 8, plug plate; 9, temperature sensor; 10, pressure sensor; 11, liquid guide pipe; 12, annular cylinder; 13, support screw; 14, limit nut; 15, outer cylinder; 16, convex plate; 17, liquid through pipe. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0028] Embodiment:

[0029] Please refer to Figures 1-7 , a new cooling device for a shaft furnace, including an inner layer cooling structure and an outer layer cooling structure.

[0030] The inner layer cooling structure includes an inner cylinder 1, a first ring cover 2, a liquid guide groove 3 and a second ring cover 6. Both ends of the inner cylinder 1 are respectively connected to the first ring cover 2 and the second ring cover 6. A plurality of liquid guide grooves 3 are provided on the outer wall of the inner cylinder 1. The liquid guide grooves 3 are spirally coiled. The cross-section of the liquid guide groove 3 is square. A plurality of water through holes one are provided on the first ring cover 2, and a plurality of water through holes two are provided on the second ring cover 6.

[0031] The outer cooling structure includes an annular cylinder 12, support screws 13, limit nuts 14, an outer cylinder 15, and a liquid delivery pipe 17. An outer cylinder 15 is sleeved outside the inner cylinder 1. The outer cylinder 15 is connected to a number of support screws 13. An annular cylinder 12 is sleeved on the outer wall of the outer cylinder 15. The support screws 13 pass through the annular cylinder 12, and a number of limit nuts 14 are connected to the support screws 13. The limit nuts 14 are located on both sides of the annular cylinder 12. A number of liquid delivery pipes 17 for transmitting coolant are communicated with the annular cylinder 12. A cavity is arranged inside the annular cylinder 12. The second annular cover 6 and the first annular cover 2 are communicated with a refrigerator for water cooling. The circulating pressure provided by a water pump enables the coolant to circulate inside the liquid guide groove 3 and the annular cylinder 12. The coolant is transmitted through the first water through hole on the first annular cover 2, the liquid guide groove 3, and the second water through hole on the second annular cover 6, and the coolant is circulated around the liquid guide groove 3, so that the transmitted cooling energy is evenly distributed on the outer wall of the liquid guide groove 3, and the transmitted coolant can conduct heat evenly. By adopting this form of square cross-section, it can be adapted to transmit coolant over a large area, improve the cooling effect, and by adjusting the position of the annular cylinder 12 after loosening the limit nuts 14 in the outer cooling structure, the annular cylinder 12 can cool different areas on the outer cylinder 15, which is suitable for improving the temperature reduction effect in different areas and enhancing the adaptability.

[0032] Refer to Figure 1 , 5 and 6, the inner cooling structure further includes a limit groove 5, a plug plate 8, a temperature sensor 9, and a pressure sensor 10. A number of limit grooves 5 are arranged on the outer cylinder 15. The limit grooves 5 are communicated with the liquid guide groove 3. A number of plug plates 8 are connected to the second annular cover 6. The plug plates 8 are located inside the limit grooves 5. A temperature sensor 9 and a pressure sensor 10 are connected to the plug plates 8. The temperature sensor 9 is used to detect the temperature of the transmitted coolant, and the pressure sensor 10 is used to detect the pressure of the transmitted coolant. Preferably, the plug plates 8 and the limit grooves 5 are sealedly connected, and full welding or a sealing ring can be selected for connection. Preferably, both the temperature sensor 9 and the pressure sensor 10 are electrically connected to a controller. The controller is a computer or a PLC. Through the arrangement of the plug plates 8, the plug plates 8 block the limit grooves 5, enabling the temperature sensor 9 and the pressure sensor 10 to detect the temperature and pressure of the coolant, which is beneficial to detecting the temperature and pressure of the coolant and facilitating better detection of the transmitted coolant.

[0033] Refer to Figure 3 and 7 , the first annular cover 2 includes a first extension groove 4. One end of the first annular cover 2 facing the inner cylinder 1 is provided with the first extension groove 4. The first extension groove 4 is communicated with the liquid guide groove 3 and the first water through hole on the first annular cover 2. The first extension groove 4 is an arc-shaped groove. Through the arrangement of the first extension groove 4, the transmitted coolant can be transmitted to the inside of the liquid guide groove 3 through the first extension groove 4, and the first water through hole can be arranged on the side wall of the first annular cover 2, which is beneficial to the transmission of the coolant.

[0034] Refer to Figure 3and 6 The annular cover II 6 includes an extension groove II 7. The extension groove II 7 is provided on the annular cover II 6. The extension groove II 7 communicates with the liquid guide groove 3 and the water through hole II on the annular cover II 6. The extension groove II 7 is an arc-shaped groove. Through the communication between the extension groove II 7 and the water through hole II, the transmitted coolant can be transmitted through more water through holes II, which is beneficial to increasing the flow rate of the transmitted coolant.

[0035] Refer to Figure 1 The outer layer cooling structure further includes a convex plate 16. A plurality of convex plates 16 are connected to the outer cylinder 15. The convex plate 16 is connected to each support screw 13. By supporting the support screw 13 with the convex plate 16, it is convenient to connect the support screw 13 and the outer cylinder 15, and the positioning effect of the support screw 13 is improved.

[0036] Refer to Figure 1 The inner layer cooling structure further includes a liquid guide pipe 11. A plurality of liquid guide pipes 11 are connected to the annular cover II 6. The liquid guide pipe 11 communicates with the water through hole II on the annular cover II 6. Through the arrangement of the liquid guide pipe 11, the water inlet can be extended to a more appropriate direction and position, which is beneficial to the transmission of the coolant.

[0037] Refer to Figure 3 and 6 The inner wall of the outer cylinder 15 is provided with a groove corresponding to the liquid guide groove 3. The groove is spiral. Through the arrangement of the groove on the outer cylinder 15, the cross-section of the place where the coolant is transmitted can be increased.

[0038] During use, after loosening the limit nut 14, adjust the position of the annular cylinder 12, and then tighten the limit nut 14 to limit the position of the annular cylinder 12. Transmit the coolant to the inside of the annular cylinder 12 through the water pump, and circulate through the liquid through pipe 17. The annular cover II 6 is connected to the water pump that transmits the coolant, and the coolant is transmitted through the water pump and the annular cover II 6. Then the coolant is transmitted to the inside of the liquid guide groove 3, and is connected to the container storing the coolant through the water through hole II on the annular cover I 2, so that the transmitted coolant circulates inside the liquid guide groove 3 and the annular cylinder 12.

[0039] It should be noted that phrases such as "one embodiment", "embodiment", "exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include specific features, structures or characteristics, but not necessarily every embodiment includes such specific features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. Moreover, when combining a specific feature, structure or characteristic with an embodiment, it is within the knowledge scope of those skilled in the art to implement such a feature, structure or characteristic in combination with other embodiments, whether explicitly or implicitly described.

[0040] It should be readily understood that the terms "on", "above", and "over" in this disclosure should be interpreted in the broadest manner such that "on" not only means "directly on something", but also includes the meaning of "on something" with intermediate features or layers therebetween, and "above" or "over" not only includes the meaning of "above" or "over something", but may also include the meaning of "above" or "over something" with no intermediate features or layers therebetween (i.e., directly on something).

[0041] In addition, spatial relative terms may be used herein for ease of description, such as "below", "beneath", "under", "above", "over", etc., to describe the relationship of one element or feature to another element or feature as shown in the figures. Spatial relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatial relative descriptors used herein may be interpreted accordingly as well.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0043] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A new cooling device for a shaft furnace, characterized in that: It includes an inner cooling structure and an outer cooling structure; The inner cooling structure includes an inner cylinder (1), a first annular cover (2), a liquid guide groove (3) and a second annular cover (6). The two ends of the inner cylinder (1) are respectively connected to the first annular cover (2) and the second annular cover (6). A plurality of liquid guide grooves (3) are arranged on the outer wall of the inner cylinder (1). The liquid guide grooves (3) are spirally coiled. The cross-section of the liquid guide groove (3) is square. A plurality of water through holes one are arranged on the first annular cover (2), and a plurality of water through holes two are arranged on the second annular cover (6); The outer cooling structure includes an annular cylinder (12), a support screw (13), a limit nut (14), an outer cylinder (15) and a liquid through pipe (17). The outer cylinder (15) is sleeved outside the inner cylinder (1). The outer cylinder (15) is connected to a plurality of support screws (13). The annular cylinder (12) is sleeved on the outer wall of the outer cylinder (15). The support screw (13) passes through the annular cylinder (12). A plurality of limit nuts (14) are connected to the support screw (13). The limit nuts (14) are located on both sides of the annular cylinder (12). A plurality of liquid through pipes (17) for transmitting coolant are communicated with the annular cylinder (12).

2. The novel cooling equipment for a shaft furnace according to claim 1, characterized in that: The inner cooling structure further includes a limit groove (5), a plug plate (8), a temperature sensor (9) and a pressure sensor (10). A plurality of limit grooves (5) are arranged on the outer cylinder (15). The limit grooves (5) are communicated with the liquid guide grooves (3). A plurality of plug plates (8) are connected to the second annular cover (6). The plug plates (8) are located inside the limit grooves (5). The temperature sensor (9) and the pressure sensor (10) are connected to the plug plates (8). The temperature sensor (9) is used to detect the temperature of the transmitted coolant, and the pressure sensor (10) is used to detect the pressure of the transmitted coolant.

3. The novel cooling device for a shaft furnace according to claim 1, wherein: The first annular cover (2) includes a first extension groove (4). One end of the first annular cover (2) facing the inner cylinder (1) is provided with the first extension groove (4). The first extension groove (4) is communicated with the liquid guide groove (3), and the first extension groove (4) is communicated with the water through hole one on the first annular cover (2).

4. The novel cooling device for a shaft furnace according to claim 1, wherein: The second annular cover (6) includes a second extension groove (7). The second extension groove (7) is arranged on the second annular cover (6). The second extension groove (7) is communicated with the liquid guide groove (3), and the second extension groove (7) is communicated with the water through hole two on the second annular cover (6).

5. The novel cooling device for a shaft furnace according to claim 1, characterized in that: The outer cooling structure further includes a convex plate (16). A plurality of convex plates (16) are connected to the outer cylinder (15). The convex plates (16) are connected to each support screw (13).

6. The novel cooling equipment for a shaft furnace according to claim 1, characterized in that: The inner cooling structure further includes a liquid guide pipe (11). A plurality of liquid guide pipes (11) are connected to the second annular cover (6). The liquid guide pipes (11) are communicated with the water through hole two on the second annular cover (6).

7. The novel cooling device for a shaft furnace according to claim 1, characterized in that: The inner wall of the outer cylinder (15) is provided with a groove corresponding to the liquid guide groove (3).

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