CN-224229977-U - Boiler heating surface protector of impact resistance

Abstract

The utility model discloses an anti-abrasion impact boiler heating surface protection device which comprises a protection component, wherein the protection component comprises an anti-abrasion tile arranged on a boiler heating surface, a connecting steel plate a and a connecting steel plate b which are arranged on two sides of the anti-abrasion tile, bearing side plates are arranged on two side walls of the anti-abrasion tile, slots are formed in the side walls of the bearing side plates, inserting plates are arranged at the lower ends of the connecting steel plate a and the connecting steel plate b and are inserted into the slots, splicing steel plates a are arranged at the upper ends of the connecting steel plate a, splicing steel plates b are arranged at the upper ends of the connecting steel plate b, and the splicing steel plates a and the splicing steel plates b are in joint arrangement.

Inventors

• WU JUNFENG
• ZHOU SHENGWEN
• LIU YONGHONG
• QIANG FEI
• LI QIANLIANG
• CHE LI

Assignees

• 大唐宝鸡发电有限责任公司
• 陕西力洺电力建设有限公司

Dates

Publication Date

20260512

Application Date

20250521

Claims (7)

1. 1. The boiler heating surface protection device capable of resisting abrasion and impact comprises a protection assembly and is characterized by comprising an abrasion-proof tile (1) arranged on a boiler heating surface, and a connecting steel plate a (2) and a connecting steel plate b (3) arranged on two sides of the abrasion-proof tile (1); Two side walls of the wear-resistant tile (1) are respectively provided with a bearing side plate (22), and the side walls of the bearing side plates (22) are provided with slots (23); the lower end parts of the connecting steel plate a (2) and the connecting steel plate b (3) are respectively provided with a plugboard (21), and the plugboards (21) are spliced in the slots (23); A spliced steel plate a (19) is arranged at the upper end part of the connecting steel plate a (2), a spliced steel plate b (20) is arranged at the upper end part of the connecting steel plate b (3), and the spliced steel plate a (19) and the spliced steel plate b (20) are in fit arrangement; Three fastening holes (5) are formed in the side walls of the spliced steel plate a (19) and the spliced steel plate b (20), and fasteners (4) are assembled in the fastening holes (5); The fastening piece (4) comprises a fastening screw (6) and an anti-falling screw (10), and a fastening nut (7) is screwed outside the fastening screw (6); An anti-falling screw groove (8) is formed in the bottom end of the fastening screw (6), and the anti-falling screw (10) is in threaded connection with the anti-falling screw groove (8); The outer part of the anti-falling screw rod (10) is sleeved with an anti-falling cylinder (9), three limit posts (17) are arranged on the outer wall of the anti-falling cylinder (9), and the three limit posts (17) are distributed in a triangular shape; The inner wall of each limit column (17) is provided with a spiral groove (18) matched with the fastening screw (6).
2. 2. The wear-resistant impact protection device for the heating surface of the boiler according to claim 1, wherein the inner wall of the anti-drop cylinder (9) is provided with reverse internal threads, the joint part of the external part of the anti-drop screw (10) and the anti-drop cylinder (9) is provided with reverse external threads, and the reverse internal threads and the reverse external threads are matched.
3. 3. The wear-resistant impact-resistant boiler heating surface protection device according to claim 1, wherein an annular rotary groove (11) is formed in the outer wall of the fastening nut (7), and the end portion of the limiting column (17) is arranged in the annular rotary groove (11).
4. 4. The wear-resistant impact-resistant boiler heating surface protection device according to claim 1, wherein a fixing ring (12) is fixedly arranged at the upper end of the outer part of the fastening screw (6), and an annular pressing sheet (14), a spring (16) and an annular rubber sheet (15) are sleeved on the circumferential surface of the fastening screw (6).
5. 5. The wear-resistant impact-resistant boiler heating surface protection device according to claim 4, wherein the annular pressing piece (14) is located on the upper side of the fixed ring (12), the spring (16) is located on the upper side of the annular pressing piece (14), the annular rubber piece (15) is located on the lower side of the fixed ring (12), and the extrusion piece (13) is fixedly installed at the edge of the lower end of the annular pressing piece (14).
6. 6. The wear-resistant impact-resistant boiler heating surface protection device according to claim 1, wherein the outer walls of the connecting steel plate a (2) and the connecting steel plate b (3) are coated with a wear-resistant coating.
7. 7. A boiler heating surface protection device against abrasion and impact according to claim 1, characterized in that said insert plate (21) and said insert slot (23) are in interference fit.

Description

Boiler heating surface protector of impact resistance Technical Field The utility model relates to the technical field of boiler protection, in particular to a boiler heating surface protection device resistant to abrasion and impact. Background The boiler is energy conversion equipment, the energy input to the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy; The heating surface of the soot blower area of the existing boiler high-temperature reheater is protected by adopting an anti-abrasion tile, the anti-abrasion tile is purged by soot blowing steam in the soot blower area and is easy to deform and fall off, so that a satisfactory anti-abrasion and anti-explosion effect cannot be achieved, and blank exposed pipe sections exist after the anti-abrasion tile falls off, and the pipe sections can accelerate local blowing and thinning under the action of the soot blower, so that the normal use of equipment is affected. Thus, the first and second substrates are bonded together, it is necessary to design a thermal power plant wear-resistant shield for heating surface of boiler. Disclosure of utility model The utility model aims to provide a wear-resistant impact protection device for a boiler heating surface, which aims to solve the problems that in the prior art, a heating surface of a soot blower area of a high-temperature reheater of a boiler is protected by adopting wear-resistant tiles, the wear-resistant tiles are purged by soot blowing steam in the soot blower area and are easy to deform and fall off, so that a satisfactory wear-resistant and explosion-proof effect cannot be achieved, blank exposed pipe sections exist after the wear-resistant tiles fall off, and the partial blowing and thinning of the pipe sections can be accelerated under the action of the soot blower, so that the normal use of equipment is affected. The boiler heating surface protection device capable of resisting abrasion and impact comprises a protection assembly, wherein the protection assembly comprises an abrasion-proof tile arranged on a boiler heating surface, and a connecting steel plate a and a connecting steel plate b which are arranged on two sides of the abrasion-proof tile; The two side walls of the wear-resistant tile are respectively provided with a bearing side plate, and the side walls of the bearing side plates are provided with slots; the lower end parts of the connecting steel plate a and the connecting steel plate b are respectively provided with a plugboard, and the plugboards are spliced in the slots; a spliced steel plate a is arranged at the upper end part of the connecting steel plate a, a spliced steel plate b is arranged at the upper end part of the connecting steel plate b, and the spliced steel plate a and the spliced steel plate b are in fit arrangement; Three fastening holes are formed in the side walls of the spliced steel plate a and the spliced steel plate b, and fasteners are assembled in the fastening holes; the fastening piece comprises a fastening screw rod and an anti-falling screw rod, and a fastening nut is screwed outside the fastening screw rod; the bottom end of the fastening screw is provided with an anti-falling screw groove, and the anti-falling screw is in threaded connection with the anti-falling screw groove; The outer part of the anti-drop screw rod is sleeved with an anti-drop cylinder, three limit posts are mounted on the outer wall of the anti-drop cylinder, and the three limit posts are distributed in a triangular shape; The inner wall of each limit column is provided with a spiral groove matched with the fastening screw. As the wear-resistant impact boiler heating surface protection device, the inner wall of the anti-drop cylinder is provided with the reverse internal thread, the joint part of the outer part of the anti-drop screw rod and the anti-drop cylinder is provided with the reverse external thread), and the reverse internal thread and the reverse external thread are matched. As the wear-resistant impact-resistant boiler heating surface protection device, the outer wall of the fastening nut is preferably provided with the annular rotating groove, and the end part of the limiting column is arranged in the annular rotating groove. As the wear-resistant impact-resistant boiler heating surface protection device, a fixing ring is fixedly arranged at the upper end of the outer part of the fastening screw, and an annular pressing sheet, a spring and an annular rubber sheet are sleeved on the circumferential surface of the fastening screw. As the wear-resistant impact-resistant boiler heating surface protection device, the annular pressing sheet is preferably arranged on the upper side of the fixed ring, the spring is arranged on the upper side of the annular pressing sheet, the annular rubber sheet is arranged on the lower side of the fixed ring, and the extrusion block is f