CN215445255U

CN215445255U - Novel high-temperature water-cooling switching valve

Info

Publication number: CN215445255U
Application number: CN202121206872.5U
Authority: CN
Inventors: 陆俊杰; 钱栋; 宋继伟
Original assignee: WUXI SANDA ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Current assignee: WUXI SANDA ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-01-07
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a novel high-temperature water cooling switching valve which comprises a mounting half valve, a sealing half valve and a high-temperature smoke tube, wherein the mounting half valve is connected with the sealing half valve through bolts, the mounting half valve is provided with a first connecting port, the sealing half valve is provided with a second connecting port, the inner sides of the first connecting port and the second connecting port are connected with the high-temperature smoke tube, the mounting half valve is provided with a mounting groove, the inner side of the mounting groove is provided with a connecting column, a circular raft is rotatably mounted on the connecting column, and the circular raft is uniformly provided with communicating ports. The circular raft plates are driven to rotate by the motor, repeated switching in a short time can be adapted, and the phenomenon that the circular raft plates are blocked due to deformation caused by repeated high and low temperatures at the same position is avoided.

Description

Novel high-temperature water-cooling switching valve

Technical Field

The utility model relates to the technical field of metallurgical high-temperature flue auxiliary devices, in particular to a novel high-temperature water-cooling switching valve.

Background

The high-temperature flue gas dust removal device is suitable for metallurgical industries such as an AOD (argon oxygen decarburization, the same below) furnace and the like, and belongs to the technical field of dust removal. The metallurgy AOD furnace and the like have the problem of high-temperature flue gas dust removal, and are continuously solved at present, so that the problem needs to be improved aiming at new conditions which are important in the past.

A large amount of high-temperature flue gas (up to 1300 ℃) is continuously generated in the smelting process of the AOD furnace, and the high-temperature flue gas needs to be gradually cooled through a water-cooling pipeline, a high-temperature settling chamber, a high-temperature resistant flue and the like and enters a dust removal device. In the high-temperature resistant flue link, a high-temperature flue gas switching device is often added due to process requirements, the flue gas temperature is high (between 600 ℃ and 800 ℃), the temperature difference with another low-temperature surface is large (the low temperature is not more than 100 ℃), and the switching can be repeatedly carried out in a short period of time, so that the following problems can be encountered in the actual use of the conventional common high-temperature switching valve: 1. the valve plate deforms in high and low temperature repeated circulation, so that the valve plate is clamped with the valve body; 2. under the switching valve closed condition, the big granule smoke and dust in the flue can gather on the valve body spacing ring, leads to the valve plate to close not in place after long-time, increases the rate of leaking out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel high-temperature water cooling switching valve to solve the problem of poor reliability of high-temperature flue gas switching.

In order to achieve the purpose, the utility model provides the following technical scheme: novel cool diverter valve of high temperature water, including half valve of installation, half valve of closure and high temperature tobacco pipe, there is half valve of closure through bolted connection on the half valve of installation, be provided with first connector on the half valve of installation, be provided with the second connector on the half valve of closure, first connector is connected with high temperature tobacco pipe with second connector inboard, and high temperature tobacco pipe links to each other with circular raft board, through circular raft board shutoff high temperature tobacco pipe, be provided with the mounting groove on the half valve of installation, the mounting groove inboard is provided with the spliced pole, rotate on the spliced pole and install circular raft board, evenly be provided with the mouth of UNICOM on the circular raft board, when intercommunication high temperature tobacco pipe, the motor drives circular raft board and rotates, links up high temperature tobacco pipe about through the mouth of UNICOM.

Preferably, install the motor on the half valve of installation, the axis of rotation of motor inserts the mounting groove inboard and installs the pinion, pinion meshing is connected with circular raft, utilize pinion meshing to connect circular raft to drive circular raft and rotate through the motor, through circular raft shutoff high temperature tobacco pipe or UNICOM mouth intercommunication high temperature tobacco pipe, can reach here and guarantee to switch repeatedly in short-term, avoid same position high low temperature to relapse, can avoid circular raft to warp with this, and the in-process that adsorbs the smoke and dust on circular raft at the switching connects the effect through scraping of high temperature tobacco pipe, can avoid the smoke and dust to pile up inside the valve body.

Preferably, the inner wall of the mounting groove is provided with a flume, the inner side of the flume is provided with a circulating water inlet pipe, the circulating water inlet pipe is provided with a spray head, and water entering the circulating water inlet pipe is sprayed to the circular raft plate through the spray head to be cooled.

Preferably, the lower end of the mounting half valve is provided with a circulating water outlet pipe, and the spraying cooling water flows downwards along the flowing water groove to the bottom of the mounting groove and flows out of the circulating water outlet pipe.

Preferably, the high-temperature smoke pipe is provided with a limiting ring, the limiting ring is provided with a high-temperature-resistant sealing ring, the high-temperature-resistant sealing ring is connected with the sealing half valve and the mounting half valve, and the joint of the high-temperature smoke pipe and the sealing half valve and the mounting half valve is sealed through the connection of the high-temperature-resistant sealing ring and the sealing half valve and the mounting half valve.

Compared with the prior art, the utility model has the beneficial effects that: the circular raft plates are driven to rotate by the motor, repeated switching in a short time can be adapted, and the phenomenon that the circular raft plates are blocked due to deformation caused by repeated high and low temperatures at the same position is avoided;

the high temperature tobacco pipe is in the smoke and dust of piling up on circular raft under the encapsulated situation, when circular raft rotates the switching, scrapes through the high temperature tobacco pipe and falls inboard at the high temperature tobacco pipe, treats to cut off and blows in other end high temperature tobacco pipe inboard from the high temperature tobacco pipe through the mouth of UNICOM after finishing, can avoid the smoke and dust to pile up inside the valve body.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of the present invention;

fig. 2 is a connection diagram of the installation half valve of the present invention.

In the figure: the device comprises a mounting half valve 1, a circulating water outlet pipe 10, a mounting groove 11, a connecting column 12, a circular valve plate 13, a communication port 131, a pinion 14, a motor 15, a first connecting port 16, a water flowing groove 17, a circulating water inlet pipe 18, a spray head 19, a closed half valve 2, a second connecting port 21, a high-temperature smoke pipe 3, a limiting ring 31 and a high-temperature-resistant sealing ring 32.

Detailed Description

Please refer to fig. 1 and 2, a novel high temperature water cooling switching valve, including a half-valve 1, a half-valve 2 and a high temperature smoke tube 3, the half-valve 1 is connected with the half-valve 2 through bolts, the half-valve 1 is provided with a first connection port 16, the half-valve 2 is provided with a second connection port 21, the first connection port 16 is connected with the high temperature smoke tube 3 inside the second connection port 21, the high temperature smoke tube 3 is connected with a circular raft 13, the high temperature smoke tube 3 is sealed by the circular raft 13, the half-valve 1 is provided with a mounting groove 11, the inside of the mounting groove 11 is provided with a raft column 12, the circular raft 13 is rotatably mounted on the raft column 12, the circular raft 13 is uniformly provided with a connection port 131, when the high temperature smoke tube 3 is connected, a motor 15 drives the circular raft 13 to rotate, and the left and right high temperature smoke tubes 3 are connected by the connection port 131.

Referring to fig. 1 and 2, a motor 15 is installed on the installation half valve 1, a pinion 14 is installed inside a rotation shaft of the motor 15 inserted into the installation groove 11, the pinion 14 is meshed with a circular raft 13, the motor 15 is meshed with the pinion 14 to connect the circular valve plate 13 to drive the circular raft 13 to rotate, the circular raft 13 is used for blocking the high-temperature smoke tube 3 or communicating ports 131 are communicated with the high-temperature smoke tube 3, so that repeated switching in a short period can be ensured, repetition of high and low temperatures at the same position can be avoided, deformation of the circular raft 13 can be avoided, smoke adsorbed on the circular raft 13 in the switching process can be prevented from being accumulated inside the valve body through the scraping effect of the high-temperature smoke tube 3.

Referring to fig. 1 and 2, a flume 17 is disposed on the inner wall of the installation groove 11, a circulating water inlet pipe 18 is disposed inside the flume 17, a spray head 19 is disposed on the circulating water inlet pipe 18, and water entering the circulating water inlet pipe 18 is sprayed to the circular raft 13 through the spray head 19 for cooling.

Referring to fig. 1 and 2, a circulating water outlet pipe 10 is arranged at the lower end of the installation half valve 1, and the spraying cooling water flows downwards along the water flowing groove 17 to the bottom of the installation groove 11 and flows out of the circulating water outlet pipe 10.

Referring to fig. 1 and 2, a limit ring 31 is disposed on the high-temperature smoke tube 3, a high-temperature sealing ring 32 is disposed on the limit ring 31, the high-temperature sealing ring 32 is connected to the sealing half-valve 2 and the mounting half-valve 1, and the connection between the high-temperature smoke tube 3 and the sealing half-valve 2 and the mounting half-valve 1 is sealed by the connection between the high-temperature sealing ring 32 and the sealing half-valve 2 and the mounting half-valve 1.

The utility model is implemented as follows: when the switching valve is used, the motor 15 is meshed with the circular raft 13 through the pinion 14 to connect the circular raft 13 to drive the circular raft 13 to rotate, the sealing half valve 2 and the high-temperature smoke pipes 3 arranged on the half valve 1 can be plugged through the circular valve 13, when the high-temperature smoke pipes 3 need to discharge smoke, the motor 15 drives the circular valve 13 to rotate and utilizes the communicating ports 131 to connect the left high-temperature smoke pipes 3 and the right high-temperature smoke pipes 3 to discharge smoke, the motor 15 drives the circular raft 13 to rotate to adapt to repeated switching in a short time period, high and low temperatures at the same position of the circular raft 13 are prevented from being repeated, and therefore the phenomenon that the circular raft 13 is deformed and is stuck can be avoided; meanwhile, the high-temperature smoke tube 3 is in a closed state and accumulates smoke dust on the circular raft plate 13, when the circular raft plate 13 rotates to switch the communicating port 131, the smoke dust on the circular raft plate 13 can be scraped inside the high-temperature smoke tube 3 through the high-temperature smoke tube 3, after the switching is finished, the smoke dust is blown into the inside of the high-temperature smoke tube 3 at the other end through the communicating port 131 and then is discharged, and therefore the smoke dust can be prevented from accumulating inside the valve body.

Claims

1. Novel cool diverter valve of high temperature water, including half valve (1) of installation, seal half valve (2) and high temperature tobacco pipe (3), its characterized in that: the utility model discloses a high-temperature flue gas generating set, including installation semi-valve (1), have sealed semi-valve (2) through bolted connection on installation semi-valve (1), be provided with first connector (16) on installation semi-valve (1), be provided with second connector (21) on sealed semi-valve (2), first connector (16) are connected with high temperature tobacco pipe (3) with second connector (21) inboard, be provided with mounting groove (11) on installation semi-valve (1), mounting groove (11) inboard is provided with spliced pole (12), rotatory installation circular raft board (13) on spliced pole (12), evenly be provided with on circular raft board (13) and ally oneself with opening (131).

2. A novel high temperature water-cool switching valve as claimed in claim 1, wherein: install motor (15) on half valve (1) of installation, pinion (14) are installed to the axis of rotation of motor (15) insertion mounting groove (11) inboard, and pinion (14) meshing is connected with circular raft (13).

3. A novel high temperature water-cool switching valve as claimed in claim 1, wherein: the inner wall of the mounting groove (11) is provided with a water flowing groove (17), the inner side of the water flowing groove (17) is provided with a circulating water inlet pipe (18), and the circulating water inlet pipe (18) is provided with a spray head (19).

4. A novel high temperature water-cool switching valve as claimed in claim 1, wherein: and a circulating water outlet pipe (10) is arranged at the lower end of the mounting half valve (1).

5. A novel high temperature water-cool switching valve as claimed in claim 1, wherein: the high-temperature smoke pipe (3) is provided with a limiting ring (31), the limiting ring (31) is provided with a high-temperature-resistant sealing ring (32), and the high-temperature-resistant sealing ring (32) is connected with the sealing half valve (2) and the mounting half valve (1).