Coal lance clamp for blast furnace

Abstract

The utility model relates to the technical field of coal guns, in particular to a coal gun clamp for a blast furnace, which comprises a gun clamp body. The valve body is arranged on one side of the gun clamp body, and the bent pipe is arranged above the valve body; the anti-disengaging component comprises a screwing assembly arranged in the valve body and a rotating assembly arranged on one side of the screwing assembly. When the device is used for blast furnace smelting production practice, the risk that a tuyere coal gun clamp falls off is remarkably reduced, huge noise generated by air leakage is reduced, high-temperature gas is effectively prevented from leaking from the coal gun clamp, and the potential safety hazard that the coal gun becomes red and even burns through due to the fact that the coal gun clamp leaks high-flow-speed high-temperature gas is eliminated to a certain extent; and meanwhile, the circular-tube-shaped valve body design is more convenient for gun insertion, so that the gun replacement working efficiency is improved and the labor intensity is reduced.

Description

Technical Field

[0001] This utility model relates to the field of coal gun technology, and in particular to a coal gun holder for blast furnaces. Background Art

[0002] The tuyere clamp is a key component of the blast furnace tuyere system. Currently, most blast furnaces use the old-style tuyere clamp, which has the following drawbacks: 1. The diameter of the tuyere can easily lead to excessive deviation between the inner diameter of the tuyere and the clamp. If the diameter is too large, it cannot be used normally; if the diameter is too small, it is easy to cause loosening and displacement of the tuyere. 2. Poor sealing between the tuyere and the clamp can lead to gas leakage, posing a safety hazard. 3. The gas leaked from the clamp is high-temperature gas, posing a risk of burn-through. 4. The gas leaked from the clamp is high-temperature gas, and long-term leakage can cause the clamp to glow red or even burn through the check valve area. 5. The gas leaked from the clamp is high-speed flowing gas, generating significant noise. 6. Frequent vibration of the clamp can cause it to come loose, resulting in the tuyere glowing red or even burning through. 7. The old-style square valve body makes tuyere insertion inconvenient, and the iron ball can easily push into the channel, making insertion difficult. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0004] In view of the problem that the coal gun is prone to detachment in the above-mentioned or existing technologies, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a coal lance clip for blast furnaces.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: including a gun clip body; a valve body, which is disposed on one side of the gun clip body, and a bent tube disposed above the valve body; an anti-disengagement component, which includes a screw-on assembly disposed inside the valve body, and a rotating assembly disposed on one side of the screw-on assembly.

[0007] As a preferred embodiment of the blast furnace coal lance holder of this utility model, a lance plate is provided on one side of the holder body.

[0008] As a preferred embodiment of the blast furnace coal lance clamp of this utility model, the valve body adopts a circular tube type valve body. The circular tube type valve body design facilitates lance insertion, improves lance changing efficiency, and reduces labor intensity.

[0009] As a preferred embodiment of the blast furnace coal lance clamp of this utility model, the engagement assembly includes a sliding groove at one end of the valve body and an engagement groove on one side of the sliding groove.

[0010] As a preferred embodiment of the blast furnace coal lance holder of this utility model, the holder plate is slidably disposed in the sliding groove, the holder plate is slidably disposed in the engaging groove, and the sliding groove and the engaging groove cooperate to form a groove.

[0011] As a preferred embodiment of the blast furnace coal lance clamp of this utility model, the rotating assembly includes a support plate disposed on the valve body near the engaging groove, a fixed shaft disposed on one side of the support plate, and an engaging plate disposed on the outside of the fixed shaft; wherein the fixed shaft is fixed to the support plate by screws, and the engaging plate is rotatably disposed on the fixed shaft.

[0012] As a preferred embodiment of the blast furnace coal lance holder of this utility model, wherein: the two beveled surfaces at one end of the valve body are ground to 25mm from the rotation point.

[0013] As a preferred embodiment of the blast furnace coal lance holder of this utility model, the bending pipe is set to 105mm in size.

[0014] As a preferred embodiment of the blast furnace coal lance clamp of this utility model, a coal lance sealer is provided between the clamp body and the valve body.

[0015] As a preferred embodiment of the blast furnace coal lance clamp of this utility model, the coal lance sealer includes a graphite gasket and a graphite packing.

[0016] The beneficial effects of this utility model of blast furnace coal lance clamp are as follows: When used in blast furnace smelting production practice, it significantly reduces the risk of coal lance clamp detachment from the tuyeres, reduces the huge noise caused by air leakage, effectively prevents high-temperature coal gas from leaking from the coal lance clamp, and to a certain extent eliminates the safety hazard of the coal lance turning red or even burning through due to high-velocity and high-temperature gas leakage from the coal lance clamp. At the same time, the round tube valve body design makes it more convenient to insert the lance, improves the efficiency of lance changing work and reduces labor intensity. Attached Figure Description

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of the blast furnace coal lance holder of this utility model.

[0019] Figure 2 For the present utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle.

[0020] Figure 3 This is a flowchart of the workflow of this utility model. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Example 1

[0025] Reference Figure 1-3 This is the first embodiment of the present utility model. This embodiment provides a blast furnace coal gun holder, including a gun holder body 100; a valve body 101, which is disposed on one side of the gun holder body 100, and a bent pipe 102 disposed above the valve body 101; and an anti-disengagement component 200, which includes a screw-on assembly 201 disposed inside the valve body 101, and a rotating assembly 202 disposed on one side of the screw-on assembly 201.

[0026] Furthermore, a locking plate 103 is provided on one side of the gun card body 100. Through the cooperation of the locking plate 103 and the anti-disengagement component, the gun card body 100 is prevented from rotating during use.

[0027] Furthermore, the valve body 101 adopts a round tube type valve body 101. The round tube type valve body 101 design facilitates gun insertion, improves gun changing efficiency, and reduces labor intensity.

[0028] Furthermore, the engagement assembly 201 includes a sliding groove 201a at one end of the valve body 101 and an engagement groove 201b on one side of the sliding groove 201a. The sliding groove 201a is used for guidance and stable installation. The width of the sliding groove 201a is the same as the width of the card plate 103. The width of the engagement groove 201b is the same as the thickness of the card plate 103. The engagement groove 201b is used for sliding the card plate 103 on the gun card body 100.

[0029] Furthermore, the card plate 103 is slidably disposed in the sliding groove 201a and the engaging groove 201b. The sliding groove 201a and the engaging groove 201b cooperate to form an L-shaped groove. One end of the sliding groove 201a is chamfered. The chamfer is used to allow the card plate 103 to slide smoothly inside the sliding groove 201a. The connection between the sliding groove 201a and the engaging groove 201b is also chamfered to facilitate the sliding of the card plate 103 and avoid jamming.

[0030] Furthermore, the rotating assembly 202 includes a support plate 202a disposed on the valve body 101 near the engagement groove 201b, a fixed shaft 202b disposed on one side of the support plate 202a, and an engagement plate 202c disposed outside the fixed shaft 202b; wherein, the fixed shaft 202b is fixed to the support plate 202a by screws, the engagement plate 202c is rotatably disposed on the fixed shaft 202b, and the support plate 202a is fixed to one side of the engagement groove 201b by welding.

[0031] Operating procedures: The product is manufactured by a fixed manufacturer using specified materials according to the design drawings. After the product is delivered to the blast furnace, the old coal lance clips are removed, and new coal lance clips are installed. The coal lance sealer and anti-detachment clips are installed to reduce noise on the blast furnace tuyere platform and prevent coal lance gas leakage and tuyere burn-through. The coal lance clips are prevented from detaching. The 101 round tube valve body design makes it easy to insert the lance, improves the efficiency of lance replacement and reduces labor intensity.

[0032] Example 2

[0033] Reference Figures 1-3 This is the second embodiment of the present invention. The difference from the previous embodiment is that the two beveled surfaces at one end of the valve body 101 are ground to a position 20mm from the rotation point.

[0034] Specifically, the dimension of the bend 102 is set to 105mm.

[0035] The rest of the structure is the same as in Example 1.

[0036] Example 3

[0037] Reference Figures 1-3 This is the third embodiment of the present invention. Unlike the previous embodiment, a coal gun seal is provided between the gun body 100 and the valve body 101.

[0038] Specifically, the coal gun sealer includes a graphite gasket and a graphite packing.

[0039] Step 1: Instruct the manufacturer to fabricate the coal lance clamp, round tubular valve body 101, anti-detachment buckle, coal lance clamp seal, graphite gasket, and graphite packing according to the design drawings. The shape and dimensions must strictly adhere to the specifications. Step 2: Remove the old coal lance clamp at the blast furnace tuyeres. Step 3: Install the new coal lance clamp. Step 4: Install the coal lance. Step 5: Install the graphite gasket or graphite packing. Step 6: Install the coal lance clamp seal. Step 7: Securely tighten the coal lance clamp seal. Step 8: Attach the coal lance anti-detachment buckle. Step 9: Observe the coal lance clamp's operation to ensure it is functioning correctly; installation is complete.

[0040] The remaining structures are the same as those in Example 1 or 2.

[0041] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0042] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0043] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A coal lance holder for a blast furnace, characterized in that: include: Gun card body(100); A valve body (101) is provided on one side of the gun card body (100), and a bent pipe (102) is provided above the valve body (101); The anti-detachment component (200) includes a screw-on assembly (201) disposed inside the valve body (101) and a rotating assembly (202) disposed on one side of the screw-on assembly (201).

2. The blast furnace coal lance holder as described in claim 1, characterized in that: A card plate (103) is provided on one side of the gun card body (100).

3. The blast furnace coal lance holder as described in claim 2, characterized in that: The valve body (101) is a circular tube type valve body (101).

4. The blast furnace coal lance holder as described in claim 3, characterized in that: The engagement assembly (201) includes a sliding groove (201a) at one end of the valve body (101) and an engagement groove (201b) on one side of the sliding groove (201a).

5. The blast furnace coal lance holder as described in claim 4, characterized in that: The card plate (103) is slidably disposed in the sliding groove (201a) and the card plate (103) is slidably disposed in the engaging groove (201b). The sliding groove (201a) and the engaging groove (201b) cooperate to form an L-shaped groove.

6. The blast furnace coal lance holder as described in claim 5, characterized in that: The rotating assembly (202) includes a support plate (202a) disposed on the valve body (101) near the engaging groove (201b), a fixed shaft (202b) disposed on one side of the support plate (202a), and an engaging plate (202c) disposed on the outside of the fixed shaft (202b). The fixed shaft (202b) is fixed to the support plate (202a) by screws, and the locking plate (202c) is rotatably mounted on the fixed shaft (202b).

7. The blast furnace coal lance holder as described in claim 6, characterized in that: The valve body (101) has two beveled surfaces at one end ground to a position 20mm from the rotation point.

8. The blast furnace coal lance holder as described in claim 7, characterized in that: The bend (102) is set to 105mm.

9. The blast furnace coal lance holder as described in claim 8, characterized in that: A coal gun seal is provided between the gun body (100) and the valve body (101).

10. The blast furnace coal lance holder as described in claim 9, characterized in that: The coal gun sealer includes a graphite gasket and a graphite packing.

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