A bimetallic wear-resistant elbow structure for boilers

Abstract

This utility model discloses a bimetallic wear-resistant elbow structure for boilers, relating to the technical field of bimetallic wear-resistant elbows. The structure includes: an installation pipe, which is arc-shaped; and a wear-resistant mechanism located on the outside of the installation pipe. The wear-resistant mechanism includes an inner liner, a flange, upper shock-absorbing blocks, and a fixing plate. The inner liner is fixedly installed on the inner side of the installation pipe, with the outer arc side of the inner liner having a greater thickness than the inner arc side. The flange is fixedly installed on the outer side of the installation pipe, and two sets of upper shock-absorbing blocks are fixedly installed on the outer side of the installation pipe. A fixing plate is fixedly installed on the top of each upper shock-absorbing block. The thickened outer arc side of the inner liner buffers the impact on the inner side of the bimetallic wear-resistant elbow during coal powder transportation, improving the wear resistance of the inner liner, preventing damage to the inner liner after prolonged use, reducing deformation of the installation pipe, extending the service life of the device, reducing maintenance, and saving production costs.

Description

Technical Field

[0001] This utility model relates to the field of bimetallic wear-resistant elbow technology, and in particular to a bimetallic wear-resistant elbow structure for boilers. Background Technology

[0002] A current bimetallic wear-resistant elbow structure for boilers is problematic because it doesn't effectively buffer the impact force on the inner side of the elbow during pulverized coal transport. The elbow is easily impacted during pulverized coal transport, leading to damage over time, reduced lifespan, and increased repair costs. Furthermore, it doesn't effectively dampen vibrations, and the impact and vibration during pulverized coal transport can cause loosening of the flange connections, posing safety hazards and reducing the overall effectiveness of the equipment. Utility Model Content

[0003] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a bimetallic wear-resistant elbow structure for boilers, which can solve the problems of not being able to buffer the impact force on the inner side of the bimetallic wear-resistant elbow and not being able to reduce the vibration of the bimetallic wear-resistant elbow.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a bimetallic wear-resistant elbow structure for boilers, comprising:

[0005] The mounting tube is arc-shaped;

[0006] The wear-resistant mechanism is located on the outside of the mounting pipe. The wear-resistant mechanism includes an inner liner, a flange, upper damping blocks, and a fixing plate. The inner liner is fixedly installed on the inside of the mounting pipe. The thickness of the outer arc side of the inner liner is greater than the thickness of the inner arc side. The flange is fixedly installed on the outside of the mounting pipe. Two sets of upper damping blocks are fixedly installed on the outside of the mounting pipe. A fixing plate is fixedly installed on the top of the upper damping blocks.

[0007] The shock absorption mechanism is located on the outside of the mounting tube and below the wear-resistant mechanism.

[0008] Preferably, the wear-resistant mechanism further includes a lower damping block and a support plate. Two sets of lower damping blocks are provided at the bottom of the mounting tube, and a support plate is fixedly installed at the bottom of the lower damping block. The positions of the upper damping block and the lower damping block are corresponding vertically.

[0009] Preferably, the shock absorption mechanism includes a mounting box, a connecting plate, a guide rod, a spring, a connecting rod, and a nut. Two sets of connecting rods are fixedly installed on the outer side of the fixing plate and the support plate. The top of the connecting rods has an opening. Guide rods are installed in the openings of four sets of connecting rods, and guide rods are fixedly installed in the other four sets of openings. Four sets of mounting boxes are provided at the bottom of the mounting tube. The top of the mounting box has an installation opening. The guide rod is slidably installed in the installation opening. A connecting plate is fixedly installed at the bottom of the mounting box. The inner side of the mounting box is fixedly installed with a guide rod. The top of the connecting plate has a connecting opening. The connecting plate is sleeved on the outer side of the guide rod through the connecting opening. A spring is fixedly installed between the connecting plate and the mounting box. The spring is sleeved on the outer side of the mounting box. A nut is threaded on the outer wall of the guide rod. The bottom of the nut fits against the bottom of the connecting rod.

[0010] Preferably, two sets of mounting plates are fixedly installed at the bottom of the mounting box, and the top of the mounting plates has through holes.

[0011] Preferably, the mounting tube is made of carbon steel.

[0012] Preferably, the inner liner is made of nickel alloy, and the upper and lower damping blocks are made of rubber.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) The structure of the bimetallic wear-resistant elbow for boilers, through the combined use of inner lining pipe, flange, upper damping block, lower damping block, fixing plate and support plate, can buffer the impact on the inner side of the bimetallic wear-resistant elbow during coal powder transportation by thickening the outer arc side of the inner lining pipe, improve the wear resistance of the inner lining pipe, prevent damage to the inner lining pipe after long-term use, reduce the deformation of the installation pipe, extend the service life of the device, reduce the maintenance of the device, and save production costs.

[0015] (2) This type of bimetallic wear-resistant elbow structure for boilers, through the coordinated use of mounting boxes, connecting plates, guide rods, springs, connecting rods and nuts, can wrap the mounting pipe with upper and lower damping blocks to buffer and dampen the small vibrations caused by the impact of coal powder transportation on the inner side of the bimetallic wear-resistant elbow. Four sets of mounting boxes are fixedly installed on the high-speed rail mounting plate on the outside of the mounting pipe. Under the elastic force of the spring and the guiding action of the guide rod, the connecting plate moves up and down to buffer the large shaking caused by the vibration of the mounting pipe, prevent the flange connection from loosening, reduce safety hazards and improve the use effect. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a side view of the present invention;

[0018] Figure 2 This is a front sectional view of the present invention;

[0019] Figure 3 This is a right-side sectional view of the present invention.

[0020] Reference numerals: 1. Mounting pipe; 2. Wear-resistant mechanism; 201. Inner liner pipe; 202. Flange; 203. Upper damping block; 204. Lower damping block; 205. Fixing plate; 206. Support plate; 3. Damping mechanism; 301. Mounting box; 302. Connecting plate; 303. Guide rod; 304. Spring; 305. Connecting rod; 306. Nut; 4. Mounting plate. Detailed Implementation

[0021] Please see Figure 1-3 This utility model provides a technical solution: a bimetallic wear-resistant elbow structure for boilers, comprising: an installation pipe 1, wherein the installation pipe 1 is arc-shaped; a wear-resistant mechanism 2, disposed on the outside of the installation pipe 1, the wear-resistant mechanism 2 comprising an inner liner 201, a flange 202, an upper shock absorber 203, and a fixing plate 205, wherein the inner liner 201 is fixedly installed on the inner side of the installation pipe 1, the outer arc side thickness of the inner liner 201 is greater than the inner arc side thickness, the flange 202 is fixedly installed on the outside of the installation pipe 1, two sets of upper shock absorbers 203 are fixedly installed on the outside of the installation pipe 1, and a fixing plate 205 is fixedly installed on the top of the upper shock absorbers 203; and a shock-absorbing mechanism 3, disposed on the outside of the installation pipe 1 and located below the wear-resistant mechanism 2, thereby reducing the maintenance of the device and saving production costs.

[0022] Furthermore, the wear-resistant mechanism 2 also includes a lower damping block 204 and a support plate 206. Two sets of lower damping blocks 204 are provided at the bottom of the mounting pipe 1. The support plate 206 is fixedly installed at the bottom of the lower damping block 204. The upper damping block 203 and the lower damping block 204 are positioned vertically. The thickening of the outer arc side of the inner liner 201 can buffer the impact that is easily caused to the inner side of the bimetallic wear-resistant elbow during coal powder transportation, improve the wear resistance of the inner liner 201, prevent damage to the inner liner 201 after long-term use, reduce the deformation of the mounting pipe 1, and extend the service life of the device.

[0023] The shock absorption mechanism 3 includes a mounting box 301, a connecting plate 302, a guide rod 303, a spring 304, a connecting rod 305, and a nut 306. Two sets of connecting rods 305 are fixedly installed on the outer side of the fixing plate 205 and the support plate 206. The top of the connecting rods 305 has an opening. Guide rods 303 are installed in the openings of four sets of connecting rods 305. Guide rods 303 are fixedly installed in the other four sets of openings. Four mounting boxes 301 are provided at the bottom of the mounting tube 1. The top of the mounting box 301 has an installation opening. The guide rods 303 are slidably installed in the installation openings. The bottom of the mounting box 301 is fixedly installed with a connecting plate 302. The inner side of the mounting box 301 is fixedly installed with a guide rod 303. The top of the connecting plate 302 has a connecting opening. The connecting plate 302 is sleeved on the guide rod through the connecting opening. On the outside of 303, a spring 304 is fixedly installed between the connecting plate 302 and the mounting box 301. The spring 304 is sleeved on the outside of the mounting box 301. A nut 306 is threaded on the outer wall of the guide rod 303. The bottom of the nut 306 fits against the bottom of the connecting rod 305. The upper damping block 203 and the lower damping block 204 can wrap around the mounting pipe 1 to buffer and dampen the small vibrations caused by the impact of coal powder transportation on the inner side of the bimetallic wear-resistant elbow. Four sets of mounting boxes 301 are fixedly installed on the high-speed rail mounting plate 4 on the outside of the mounting pipe 1. Under the elastic force of the spring 304 and the guiding action of the guide rod 303, the connecting plate 302 moves up and down to buffer the large shaking caused by the vibration of the mounting pipe 1 and prevent the connection of the flange 202 from loosening.

[0024] Furthermore, two sets of mounting plates 4 are fixedly installed at the bottom of the mounting box 301. The top of the mounting plate 4 is perforated. The mounting tube 1 is made of carbon steel, the inner lining tube 201 is made of nickel alloy, and the upper shock absorber 203 and the lower shock absorber 204 are made of rubber, which reduces safety hazards and improves the performance.

[0025] Working principle: The thickening of the outer arc side of the inner liner 201 buffers the impact on the inner side of the bimetallic wear-resistant elbow during coal powder transportation, improves the wear resistance of the inner liner 201, prevents damage to the inner liner 201 after long-term use, reduces deformation of the installation pipe 1, extends the service life of the device, reduces maintenance, and saves production costs. The upper damping block 203 and the lower damping block 204 wrap the installation pipe 1 to buffer and dampen the small vibrations caused by the impact of coal powder transportation on the inner side of the bimetallic wear-resistant elbow. Four sets of installation boxes 301 are fixedly installed on the outside of the installation pipe 1 by the high-speed rail installation plate 4. Under the elastic force of the spring 304 and the guiding action of the guide rod 303, the connecting plate 302 moves up and down, buffering the large shaking caused by the vibration of the installation pipe 1, preventing the connection of the flange 202 from loosening, reducing safety hazards, and improving the use effect.

[0026] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A bimetallic wear-resistant elbow structure for a boiler, characterized by, include: Mounting tube (1), wherein the mounting tube (1) is arc-shaped; Wear-resistant mechanism (2) is located on the outside of the mounting pipe (1). The wear-resistant mechanism (2) includes an inner liner (201), a flange (202), an upper damping block (203), and a fixing plate (205). The inner liner (201) is fixedly installed on the inside of the mounting pipe (1). The outer arc side thickness of the inner liner (201) is greater than the inner arc side thickness. The flange (202) is fixed on the outside of the mounting pipe (1). Two sets of upper damping blocks (203) are fixedly installed on the outside of the mounting pipe (1). The fixing plate (205) is fixedly installed on the top of the upper damping block (203). The shock absorption mechanism (3) is located outside the mounting tube (1) and below the wear-resistant mechanism (2).

2. The bi-metallic wear resistant elbow structure for a boiler as claimed in claim 1, wherein: The wear-resistant mechanism (2) also includes a lower damping block (204) and a support plate (206). Two sets of lower damping blocks (204) are provided at the bottom of the mounting tube (1). The support plate (206) is fixedly installed at the bottom of the lower damping block (204). The positions of the upper damping block (203) and the lower damping block (204) are corresponding vertically.

3. The bi-metallic wear resistant elbow structure for a boiler as claimed in claim 2, wherein: The shock absorption mechanism (3) includes a mounting box (301), a connecting plate (302), a guide rod (303), a spring (304), a connecting rod (305), and a nut (306). Two sets of connecting rods (305) are fixedly installed on the outside of the fixing plate (205) and the support plate (206). The top of the connecting rod (305) is provided with an opening. Guide rods (303) are installed in the openings of four sets of connecting rods (305). Guide rods (303) are fixedly installed in the other four sets of openings. Four sets of mounting boxes (301) are provided at the bottom of the mounting tube (1). The top of the mounting box (301) is provided with an installation opening. The guide rods (303) slide in the mounting box. A connecting plate (302) is fixedly installed at the bottom of the mounting box (301) and a guide rod (303) is fixedly installed on the inner side of the mounting box (301). A connecting hole is opened at the top of the connecting plate (302). The connecting plate (302) is sleeved on the outside of the guide rod (303) through the connecting hole. A spring (304) is fixedly installed between the connecting plate (302) and the mounting box (301). The spring (304) is sleeved on the outside of the mounting box (301). A nut (306) is threaded on the outer wall of the guide rod (303). The bottom of the nut (306) fits against the bottom of the connecting rod (305).

4. The bimetallic wear-resistant elbow structure for boilers according to claim 3, characterized in that: The bottom of the mounting box (301) is fixedly equipped with two sets of mounting plates (4), and the top of the mounting plates (4) is provided with through holes.

5. The bimetallic wear-resistant elbow structure for boilers according to claim 4, characterized in that: The mounting tube (1) is made of carbon steel.

6. The bimetallic wear-resistant elbow structure for boilers according to claim 5, characterized in that: The inner liner (201) is made of nickel alloy, and the upper damping block (203) and the lower damping block (204) are made of rubber.

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