CN217331771U

CN217331771U - Coal fired boiler water wall near-wall surface high temperature flue gas sampling device

Info

Publication number: CN217331771U
Application number: CN202220304388.4U
Authority: CN
Inventors: 韩正金
Original assignee: Nanjing Youchuang Environmental Technology Co ltd
Current assignee: Nanjing Youchuang Environmental Technology Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-08-30
Anticipated expiration: 2032-02-15

Abstract

The utility model relates to a flue gas sampling device technical field especially relates to a coal fired boiler water-cooling wall is high temperature flue gas sampling device near wall. It mainly needs to use multiple installation part equipment to sampling device and outlet flue, and sampling device's the problem that the installation availability factor is low provides following technical scheme: including water wall pipe and fin, the sample connection has been seted up on the fin, one side sealing connection of sample connection has sampling device, be connected with installation mechanism between sampling device and the sample connection, installation mechanism includes the mounting bracket, the mounting groove has been seted up on the mounting bracket, the lifter plate is installed at the top of mounting bracket, the bottom of lifter plate is connected with the touch multitouch. The utility model discloses novel structure is compact, and the part is avoided losing, and the equipment sampling device is convenient quick, and the installation accuracy is high, and the simple easy operation of mounting means improves the convenience that sampling device used, is fit for using widely, mainly is applied to along its sampling device's quick installation.

Description

Coal fired boiler water wall near-wall surface high temperature flue gas sampling device

Technical Field

The utility model relates to a flue gas sampling device technical field especially relates to a coal fired boiler water wall is close to wall high temperature flue gas sampling device.

Background

High temperature corrosion of boiler water walls of coal-fired power plants is typical of sulfide corrosion. The wall temperature of the water-cooled wall and the oxygen content of the flue gas in the near-wall area are two key factors influencing high-temperature corrosion. Under the condition of wall temperature setting, the improvement of the oxygen content of the flue gas in the near-wall area is an effective way for relieving the high-temperature corrosion of the water-cooled wall. The concentration of oxygen, carbon monoxide and corrosive gas hydrogen sulfide in the flue gas of the near-wall area of the water-cooled wall is monitored, the premise of improving the oxygen content of the near-wall area is provided, and the basis of carrying out high-temperature corrosion monitoring is provided. The flue gas sampling device of the near-wall area of the water-cooled wall of the boiler, which is proposed in the patent CN 206470092U, is characterized in that a smoke dust filter disc is designed in the flue gas sampling device, fine particles which are not settled in sampled flue gas can be captured by a sheet-shaped porous filter element, and are regularly blown back to the interior of a furnace chamber under the action of upper high-pressure air; but when installing sampling device and the position of outlet flue, the operation is inconvenient among the existing means, need use multiple installation part equipment, and sampling device's installation availability factor is low, and we propose a coal fired boiler water-cooling wall near wall surface high temperature flue gas sampling device for accurate quick installation sampling equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sampling device and the cigarette outlet that exist need use multiple installation part equipment among the background art, and sampling device's the problem that installation availability factor is low provides a coal fired boiler water-cooling wall near wall high temperature flue gas sampling device.

The technical scheme of the utility model: the utility model provides a coal fired boiler water wall high temperature flue gas sampling device near wall, includes water wall pipe and fin, the sample connection has been seted up on the fin, one side sealing connection of sample connection has sampling device, be connected with installation mechanism between sampling device and the sample connection, installation mechanism includes the mounting bracket, the mounting groove has been seted up on the mounting bracket, the lifter plate is installed at the top of mounting bracket, the bottom of lifter plate is connected with to the touch multitouch, one side of lifter plate is connected with the lifter.

Preferably, one side of the fin is provided with a lifting hole along the height direction, and one end of the lifting rod, which is far away from the lifting plate, is connected with a lifting block.

Preferably, the lifting block is connected with the inner wall of the lifting hole in a sliding mode, a guide rod is fixedly mounted on the inner wall of the lifting hole along the height direction of the inner wall of the lifting hole, and the lifting rod is provided with the guide hole.

Preferably, the guide rod runs through the guide hole and is connected with the inner wall sliding of guide hole, the last rotation of lifter plate is connected with the screw bolt.

Preferably, the top of the mounting frame is provided with a thread groove, and the bottom of the thread bolt is matched and mounted with the inner wall of the thread groove.

Preferably, a mounting groove is formed in one side of the mounting frame, the contact block is matched with the inner diameter of the mounting groove, and the contact block is slidably mounted on the inner wall of the mounting groove.

Compared with the prior art, the utility model discloses following profitable technological effect has:

1. the utility model discloses a sampling device retrieves the flue gas, and the sample connection opens the fin between two adjacent water-cooling wall pipes

In the aspect of design, the design is very ingenious, and the sampling device is arranged on the back fire side of the water wall tube, so that the optimized design can prevent the device from being directly radiated by flame of a hearth, effectively solve the problem of burning loss of a sampling probe and avoid high-temperature corrosion;

2. the utility model discloses a mounting groove that mounting bracket one side was seted up, with sampling device's link slidable mounting in the mounting groove, contradict the installation through the setting of lifter plate and touch multitouch with the top of sampling device link for the link of sampling device is installed in the mounting groove of mounting bracket one side of fastening, through the setting of the screw bolt on the lifter plate with the mounting bracket connection equipment, the equipment is convenient quick, reduces the use of subassembly, and the subassembly setting avoids losing in one side of fin, the installation accuracy is high;

3. to sum up, the utility model discloses novel structure is compact, and the part is avoided losing, assembles the convenient quick of sampling device, and the installation accuracy is high, and the simple easy operation of mounting means improves the convenience that sampling device used, is fit for using widely.

Drawings

FIG. 1 is a front view of a high-temperature flue gas sampling device near a wall surface of a water wall of a coal-fired boiler;

FIG. 2 is a schematic cross-sectional view of the water-cooled wall tube and fin of FIG. 1;

FIG. 3 is a schematic structural view of the mounting mechanism of FIG. 1.

Reference numerals: 1. a water wall tube; 2. a fin; 3. a sampling device; 4. a sampling port; 5. a lifting hole; 6. a guide bar; 7. an installation mechanism; 71. a mounting frame; 72. mounting grooves; 73. a thread groove; 74. a lifting plate; 75. a threaded bolt; 76. a contact block; 77. a lifting rod; 78. a lifting block; 79. and (4) a guide hole.

Detailed Description

The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.

Example one

As shown in FIGS. 1-3, the utility model provides a coal fired boiler water wall near-wall high temperature flue gas sampling device, including water wall pipe 1 and fin 2, fin 2 is provided with sample connection 4, one side of sample connection 4 is connected with sampling device 3 in a sealing manner, between sampling device 3 and sample connection 4 is connected with installation mechanism 7, installation mechanism 7 includes mounting bracket 71, one side of mounting bracket 71 is provided with mounting groove 72, the inner diameter of conflict piece 76 and mounting groove 72 is mutually adapted, and conflict piece 76 and the inner wall of mounting groove 72 are slidably mounted, threaded groove 73 is provided at the top of mounting bracket 71, mounting bracket 71 is provided with mounting groove 72, lifting plate 74 is mounted at the top of mounting bracket 71, threaded bolt 75 is rotatably connected on lifting plate 74, the bottom of threaded bolt 75 is adapted to the inner wall of threaded groove 73, threaded bolt 75 is used for assembling lifting plate 74 and the top of mounting bracket 71, and the installation distance between the lifting plate 74 and the top of the installation frame 71 is adjustable, so that the sampling device is suitable for connecting ends of different sampling devices 3, the bottom of the lifting plate 74 is connected with a contact block 76, and one side of the lifting plate 74 is connected with a lifting rod 77.

In this embodiment, sampling device 3's link is the rectangle structure with sample connection 4, promote the one end link of sampling device 3 downwards along the top of mounting groove 72, make the bottom of link contradict with the bottom inner wall of mounting groove 72, it is sealed the pad to explain that the inner wall of mounting groove 72 inlays to establish and installs, promote lifter plate 74 downwards after the installation, make lifter block 78 and lifter 77 along the inner wall lapse of lift hole 5, continue to promote lifter plate 74 downwards after the top of conflict piece 76 and mounting groove 72 contacts, make conflict piece 76 extrusion link, conflict after not promoting rotate threaded bolt 75, make threaded bolt 75 be connected with thread groove 73, accomplish the equipment of lifter plate 74 and mounting bracket 71, it accomplishes to correspond the equipment with sampling connection 3's link and sample connection 4, it is convenient to install.

Example two

As shown in fig. 1-3, compared with the first embodiment, the present invention further includes a water cooling wall tube 1 and a fin 2, the fin 2 is provided with a sampling port 4, one side of the sampling port 4 is hermetically connected with the sampling device 3, a mounting mechanism 7 is connected between the sampling device 3 and the sampling port 4, the mounting mechanism 7 includes a mounting frame 71, the mounting frame 71 is provided with a mounting groove 72, a lifting plate 74 is mounted on the top of the mounting frame 71, the bottom of the lifting plate 74 is connected with a touch block 76, one side of the lifting plate 74 is connected with a lifting rod 77, one side of the fin 2 is provided with a lifting hole 5 along the height direction thereof, one end of the lifting rod 77 away from the lifting plate 74 is connected with a lifting block 78, the lifting block 78 is slidably connected with the inner wall of the lifting hole 5, the inner wall of the lifting hole 5 is fixedly provided with a guide rod 6 along the height direction thereof, the guide hole 79 has been seted up on the lifter 77, and guide bar 6 runs through guide hole 79 and with the inner wall sliding connection of guide hole 79, and guide bar 6 runs through guide hole 79 and is used for providing the direction for the promotion downwards or upwards of lifter plate 74, avoids the loss of part.

In this embodiment, when mounting bracket 71 promoted downwards, guide bar 6 provided the direction for the promotion downwards of guiding hole 79 for the promotion of lifter plate 74 is more stable, avoids losing of parts such as lifter plate 74 through the setting of lifter hole 5 and lifter 77, and the equipment installation is more convenient.

The above embodiments are merely some preferred embodiments of the present invention, and many alternative modifications and combinations can be made to the above embodiments by those skilled in the art based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a coal fired boiler water wall near-wall surface high temperature flue gas sampling device, includes water wall pipe (1) and fin (2), its characterized in that: sampling opening (4) have been seted up on fin (2), one side sealing connection of sampling opening (4) has sampling device (3), be connected with between sampling device (3) and sampling opening (4) installation mechanism (7), installation mechanism (7) include mounting bracket (71), mounting groove (72) have been seted up on mounting bracket (71), lifter plate (74) is installed at the top of mounting bracket (71), the bottom of lifter plate (74) is connected with and supports touch multitouch (76), one side of lifter plate (74) is connected with lifter (77).

2. The coal-fired boiler water wall near-wall high-temperature flue gas sampling device as claimed in claim 1, wherein one side of the fin (2) is provided with a lifting hole (5) along the height direction thereof, and one end of the lifting rod (77) far away from the lifting plate (74) is connected with a lifting block (78).

3. The coal-fired boiler water wall near-wall high-temperature flue gas sampling device as claimed in claim 2, wherein the lifting block (78) is slidably connected with the inner wall of the lifting hole (5), the inner wall of the lifting hole (5) is fixedly provided with a guide rod (6) along the height direction, and the lifting rod (77) is provided with a guide hole (79).

4. The coal-fired boiler water-cooled wall near-wall high-temperature flue gas sampling device as recited in claim 3, characterized in that the guide rod (6) penetrates through the guide hole (79) and is connected with the inner wall of the guide hole (79) in a sliding manner, and the lifting plate (74) is rotatably connected with a threaded bolt (75).

5. The coal-fired boiler water-cooled wall near-wall high-temperature flue gas sampling device as recited in claim 4, characterized in that the top of the mounting bracket (71) is provided with a threaded groove (73), and the bottom of the threaded bolt (75) is fitted with the inner wall of the threaded groove (73).

6. The coal-fired boiler water-cooled wall near-wall high-temperature flue gas sampling device as recited in claim 1, wherein one side of the mounting bracket (71) is provided with a mounting groove (72), the inner diameters of the contact block (76) and the mounting groove (72) are mutually adapted, and the contact block (76) and the inner wall of the mounting groove (72) are slidably mounted.