Anti-abrasion sleeve applicable to denitration spray gun

Abstract

The utility model discloses an anti-abrasion sleeve suitable for a denitration spray gun, which comprises an anti-abrasion sleeve, a clamping connecting mechanism and a traction adjusting mechanism, the outer side wall of the anti-abrasion sleeve is provided with a connecting flange, and the anti-abrasion sleeve further comprises the clamping connecting mechanism and the traction adjusting mechanism which are arranged on the anti-abrasion sleeve. The clamping and connecting mechanism comprises a spray gun pipe and sliding grooves, the spray gun pipe is movably arranged in the anti-abrasion sleeve, the sliding grooves are formed in the side wall of the anti-abrasion sleeve, the number of the sliding grooves is multiple, and clamping assemblies are arranged on the sliding grooves. The utility model belongs to the technical field of denitration spray guns, and particularly relates to an anti-abrasion sleeve suitable for a denitration spray gun.

Description

Technical Field

[0001] The utility model belongs to the technical field of denitration spray guns, and specifically refers to an anti-wear sleeve suitable for denitration spray guns. Background Art

[0002] When non-catalytic reduction denitrification technology is applied to circulating fluidized bed boilers, the denitrification system spray guns are usually arranged at the horizontal flue at the separator inlet. Since the high-temperature flue gas in the horizontal flue has a high dust concentration, fast flow rate and corrosiveness, the spray guns will quickly wear and corrode if they are arranged directly without protection.

[0003] The patent with publication number CN217856905U discloses a wear-resistant sleeve suitable for a denitrification spray gun, including a sleeve unit, including a sleeve assembly, an injection wear-resistant assembly arranged on the outside of the sleeve assembly, and a plurality of clamping assemblies arranged in an array at one end of the sleeve assembly. The beneficial effect of the utility model is that by improving the existing wear-resistant sleeve, the wear-resistant ability, installation speed and stability after installation are improved, the denitrification spray gun is protected during operation and its stability during operation is ensured.

[0004] However, when the above device is used, the anti-wear sleeve is used in a harsh environment for a long time, and the damage rate is high. When the anti-wear sleeve is damaged, it is inconvenient to disassemble and replace it with the denitrification spray gun. Utility Model Content

[0005] The technical problem to be solved by the utility model is that it is inconvenient to disassemble and replace the anti-wear sleeve with the denitrification spray gun when the anti-wear sleeve is damaged.

[0006] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a wear-resistant sleeve suitable for a denitrification spray gun, comprising a wear-resistant sleeve, a connecting flange is provided on the outer wall of the wear-resistant sleeve, and also includes a clamping connection mechanism and a pulling adjustment mechanism arranged on the wear-resistant sleeve; the clamping connection mechanism includes a spray gun pipe and a slide groove, the spray gun pipe is movably arranged in the wear-resistant sleeve, the slide groove is arranged on the side wall of the wear-resistant sleeve, the slide groove is provided with multiple groups, and a clamping assembly is provided on the slide groove.

[0007] Furthermore, the clamping assembly includes a screw rod and a clamping block, the screw rod is rotatably arranged in a slide groove, a sliding block is threadedly connected to the screw rod, and the clamping block is connected to the sliding block.

[0008] Furthermore, the pulling adjustment mechanism includes a movable groove and a fixed block, the movable groove and the fixed block are arranged on the outer wall of the spray gun tube, a slide plate is slidably provided in the movable groove, a slot and a connecting block are provided on the slide plate, a screw is rotatably provided on the connecting block, and the screw passes through the fixed block.

[0009] Furthermore, one end of the screw rod passes through the side wall of the slide slot and is provided with a knob.

[0010] Preferably, a limiting groove is provided on the inner side wall of the anti-wear sleeve, and a limiting block is provided on the side wall of the spray gun tube, and the limiting block is movably arranged in the limiting groove.

[0011] Preferably, the clamping block is movably engaged with the slot.

[0012] The utility model adopts the above structure to achieve the following beneficial effects: the utility model provides an anti-wear sleeve suitable for a denitrification spray gun, which can drive the clamping block by setting a screw rod and a slider, so as to facilitate the connection and fixation of the spray gun pipe with the anti-wear sleeve, and by setting a slide plate and a connecting block, the slide plate can be pulled by using a fixed block and a screw rod, so as to facilitate the positioning of the clamping block, avoid sliding between the clamping block and the spray gun pipe, and ensure the stability of the connection between the spray gun pipe and the anti-wear sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an overall structural diagram of an anti-wear sleeve suitable for a denitrification spray gun proposed by the utility model;

[0014] Figure 2 This is an internal structure diagram of a wear-resistant sleeve suitable for a denitrification spray gun proposed by the utility model;

[0015] Figure 3 This is a structural diagram of a spray gun pipe with a wear-resistant sleeve suitable for a denitrification spray gun proposed by the utility model

[0016] Figure 4 The utility model discloses a structural diagram of a slide plate suitable for a wear-resistant sleeve of a denitrification spray gun.

[0017] Among them, 1. anti-wear sleeve, 2. connecting flange, 3. clamping connection mechanism, 4. pulling adjustment mechanism, 5. spray gun tube, 6. slide groove, 7. clamping assembly, 8. screw, 9. clamping block, 10. slider, 11. movable groove, 12. fixed block, 13. slide plate, 14. slot, 15. connecting block, 16. screw, 17. knob, 18. limit groove, 19. limit block. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] like Figure 1-4 As shown, the utility model proposes an anti-wear sleeve suitable for a denitrification spray gun, comprising an anti-wear sleeve 1, a connecting flange 2 is provided on the outer wall of the anti-wear sleeve 1, and also comprising a clamping connection mechanism 3 and a pulling adjustment mechanism 4 arranged on the anti-wear sleeve 1; the clamping connection mechanism 3 comprises a spray gun pipe 5 and a slide 6, the spray gun pipe 5 is movably arranged in the anti-wear sleeve 1, the slide 6 is arranged on the side wall of the anti-wear sleeve 1, the slide 6 is provided with multiple groups, a clamping assembly 7 is provided on the slide 6, the clamping assembly 7 comprises a screw rod 8 and a clamping block 9, the screw rod 8 is rotatably arranged in the slide 6, a slider 10 is threadedly connected to the screw rod 8, and the clamping block 9 is connected to the slider 10, the spray gun pipe 5 is inserted into the anti-wear sleeve 1, the screw rod 8 is driven, the slider 10 is driven to move, and the slider 10 drives the clamping block 9 to move, so that the multiple groups of clamping blocks 9 cooperate with the pulling adjustment mechanism 4 to fix the spray gun pipe 5.

[0021] like Figure 1 , 2 As shown, the pulling adjustment mechanism 4 includes a movable groove 11 and a fixed block 12. The movable groove 11 and the fixed block 12 are arranged on the outer side wall of the spray gun tube 5. A slide plate 13 is slidably provided in the movable groove 11. A slot 14 and a connecting block 15 are provided on the slide plate 13. The clamping block 9 is movably engaged with the slot 14. A screw 16 is rotatably provided on the connecting block 15. The screw 16 penetrates the fixed block 12. The screw 16 is rotated to push the connecting block 15 to move. The connecting block 15 drives the slide plate 13 to move, and drives the slot 14 to adjust its position. When the clamping block 9 clamps the spray gun tube 5, the clamping block 9 is clamped into the slot 14, which is convenient for limiting the position of the clamping block 9 and avoiding sliding between the clamping block 9 and the spray gun tube 5.

[0022] One end of the screw rod 8 passes through the side wall of the slide slot 6 and is provided with a knob 17 to facilitate driving the screw rod 8 .

[0023] A limiting groove 18 is provided on the inner side wall of the anti-wear sleeve 1 , and a limiting block 19 is provided on the side wall of the spray gun tube 5 . The limiting block 19 is movably arranged in the limiting groove 18 and can limit the insertion distance of the spray gun tube 5 .

[0024] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A wear-resistant sleeve suitable for a denitrification spray gun, comprising a wear-resistant sleeve, wherein a connecting flange is provided on the outer side wall of the wear-resistant sleeve, and characterized in that: It also includes a clamping connection mechanism and a pulling adjustment mechanism arranged on the anti-wear sleeve; the clamping connection mechanism includes a spray gun tube and a slide groove, the spray gun tube is movably arranged in the anti-wear sleeve, the slide groove is arranged on the side wall of the anti-wear sleeve, the slide groove is provided with multiple groups, and a clamping assembly is provided on the slide groove.

2. The wear-resistant sleeve for a denitrification spray gun according to claim 1, characterized in that: The clamping assembly comprises a screw rod and a clamping block. The screw rod is rotatably arranged in a slide groove. A sliding block is threadedly connected to the screw rod, and the clamping block is connected to the sliding block.

3. The wear-resistant sleeve for a denitrification spray gun according to claim 2, characterized in that: The pulling adjustment mechanism includes a movable groove and a fixed block, which are arranged on the outer side wall of the spray gun tube. A slide plate is slidably provided in the movable groove, a slot and a connecting block are provided on the slide plate, a screw rod is rotatably provided on the connecting block, and the screw rod passes through the fixed block.

4. The wear-resistant sleeve for a denitrification spray gun according to claim 3, characterized in that: One end of the screw rod passes through the side wall of the slide slot and is provided with a knob.

5. The wear-resistant sleeve suitable for a denitrification spray gun according to claim 4, characterized in that: A limiting groove is arranged on the inner side wall of the anti-wear sleeve, and a limiting block is arranged on the side wall of the spray gun pipe. The limiting block is movably arranged in the limiting groove.

6. The wear-resistant sleeve for a denitrification spray gun according to claim 5, characterized in that: The clamping block is movably engaged with the clamping slot.

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