CN107654682B

CN107654682B - Desulfurization baffle door

Info

Publication number: CN107654682B
Application number: CN201711045719.7A
Authority: CN
Inventors: 蔡伯荣; 王世伟; 陈健
Original assignee: NANTONG CHANGJIANG VALVE MANUFACTURING CO LTD
Current assignee: NANTONG CHANGJIANG VALVE MANUFACTURING CO LTD
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2023-06-23
Anticipated expiration: 2037-10-31
Also published as: CN107654682A

Abstract

The invention discloses a desulfurization baffle door which comprises a valve body, a valve plate and a loosening clamping mechanism, wherein an upper traveling mechanism and a lower traveling mechanism are arranged on the outer side of the valve body, the loosening clamping mechanism is arranged on one side of the valve body, the valve plate is arranged in the valve body, a sealing ring is arranged on the valve plate, a silica gel strip is arranged on the sealing ring, a front guide wheel and a rear guide wheel are arranged in an upper cavity of the valve body, a valve body upper seal is arranged in the upper cavity of the valve body, and a first left guide wheel and a second left guide wheel and a right guide wheel are arranged on two sides of the valve plate. Under the severe working environment, the desulfurization baffle door changes the movement direction by the structural design of the valve transmission mechanism, the external bearing and the movable valve plate, prevents the valve shaft from being stuck by medium adhesion, and can ensure stable movement and reliable sealing of the valve.

Description

Desulfurization baffle door

Technical Field

The invention relates to the technical field of baffle doors, in particular to a desulfurization baffle door.

Background

Today, with high development of industrialization, people need a clear sky. However, in the thermal power industry and the metallurgical industry, a large amount of sulfur-containing gas is discharged from the flue, and acid rain is formed, so that serious pollution is caused to the atmosphere. The flue gas desulfurization unit can treat the sulfur-containing gas in the flue, but once the unit fails, the flue gas in the flue cannot be treated to generate leakage, and the discharged toxic gas still pollutes the atmosphere.

The existing damper valve shaft is easy to be stuck by medium adhesion, the valve motion is unstable, and the sealing is unreliable.

Disclosure of Invention

The invention aims to provide a desulfurization baffle door, which solves the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a desulfurization baffle door, includes valve body, valve plate and unclamping clamping mechanism, upper and lower running gear is installed in the valve body outside, unclamping clamping mechanism is installed to valve body one side, valve body internally mounted has the valve plate, install the sealing washer on the valve plate, install silica gel strip on the sealing washer, the valve body upper chamber is installed around the guide pulley, install valve body upper seal on the valve body upper chamber, first left and right guide pulley and second left and right guide pulley are installed to the valve plate both sides, upper and lower running gear comprises first electric device, turbine reducing gear box, gyro wheel and wire rope, first electric device installs on the turbine reducing gear box, turbine reducing gear box installs in the box side, install the gyro wheel in the box, be fixed with the axle through the key on the gyro wheel, install the bearing between box and the axle through the key between, around wire rope on the gyro wheel, the guide pulley is connected with the valve plate through the guide pulley on the guide pulley, box and guide pulley frame all fixed on the frame, unclamping clamping mechanism is fixed by first electric device, the swing arm is fixed with the valve body upper seal on the swing arm, the valve body is fixed with the second swing arm through the pivot, the bearing is fixed with the valve body is fixed through the swing arm, the bearing is fixed with the second swing arm through the pivot, the bearing is fixed through the swing arm is fixed on the bearing on the swing arm, the bearing is fixed through the second swing arm, the bearing is fixed with the bearing through the second swing arm on the bearing through the pivot on the swing arm, the upper shaft penetrates into the valve body, a cam mechanism is arranged on the upper shaft, and the upper shaft is connected with the lower shaft through a connecting pipe.

Preferably, the upper shaft is connected with the cam mechanism through a key.

Preferably, the worm gear reduction box is fixed with the box body through bolts.

Preferably, the valve plate is provided as a blind plate, and the valve plate sealing surface material is 316L.

Compared with the prior art, the invention has the beneficial effects that: the loosening and clamping mechanism adopts worm gear transmission, and the screw-nut pair achieves synchronous movement through the connecting rod mechanism to realize the loosening and clamping of the valve, so that the valve loosening and clamping mechanism is stable in action, synchronous and reliable in sealing. The plate moving mechanism moves up and down, so that the space is reasonably utilized; the electric device drives the worm gear reduction box shaft and the roller to rotate, and the valve plate moves up and down through the steel wire rope. Simple structure, steady motion and good self-locking property. Under the severe working environment condition, the desulfurization baffle door changes the movement trend through the structural design of the valve transmission mechanism, the external bearing and the movable valve plate, prevents the valve shaft from being stuck by medium adhesion, can ensure the stable movement of the valve and is sealed and reliable.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a schematic structural view of the up-and-down traveling mechanism of the present invention.

Fig. 5 is a front view of the unclamping mechanism of the present invention.

Fig. 6 is a top view of the unclamping mechanism of the present invention.

Fig. 7 is a side view of the unclamping mechanism of the present invention.

Fig. 8 is a front view of the valve body of the present invention.

Fig. 9 is a side view of the valve body of the present invention.

Fig. 10 is a top view of the valve body of the present invention.

Fig. 11 is a front view of a valve plate of the present invention.

Fig. 12 is a side view of a valve plate of the present invention.

In the figure: 1-an up-down travelling mechanism; 2-a valve body; 3-a valve plate; 4-loosening the clamping mechanism; 5-front and rear guide wheels; 6-sealing on the valve body; 7-a sealing ring; 8-a silica gel strip; 9-a first left guide wheel and a first right guide wheel; 10-a second left guide wheel and a second right guide wheel; 101-a frame; 102-a guide wheel frame; 103-a guide wheel; 104-a steel wire rope; 105-a first electrically powered device; 106, a roller; 107-a box body; 108-a bearing; 109-axis; 110-turbine reduction gearbox; 401-a second electrically powered device; 402-a drive shaft; 403-plain bearings; 404-a bracket; 405-swing arm sleeve; 406-UC bearing; 407-packing gland; 408-filler; 409-cam mechanism; 410-upper shaft; 411-connecting tubes; 412-lower shaft; 413-a first swing arm; 414-a first link; 415-a second swing arm; 416-a second link; 417-third link.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, the present invention provides a technical solution: the desulfurization baffle door comprises a valve body 2, a valve plate 3 and a loosening clamping mechanism 4, wherein an upper traveling mechanism 1 and a lower traveling mechanism 1 are arranged on the outer side of the valve body 2, the loosening clamping mechanism 4 is arranged on one side of the valve body 2, the valve plate 3 is internally arranged in the valve body 2, a sealing ring 7 is arranged on the valve plate 3, a silica gel strip 8 is arranged on the sealing ring 7, a front guide wheel 5 and a rear guide wheel 5 are arranged in an upper cavity of the valve body 2, the front freedom degree and the rear freedom degree of the valve plate 3 are controlled, a valve upper sealing 6 is arranged in an upper cavity of the valve body 2, and a control medium flows out; the two sides of the valve plate 3 are provided with a first left guide wheel 9, a second left guide wheel 10 and a second right guide wheel 10, the left freedom degree of the valve plate 3 is controlled, the up-down travelling mechanism 1 is composed of a first electric device 105, a turbine reduction gearbox 110, a box body 107, a roller 106 and a steel wire rope 104, the first electric device 105 is arranged on the turbine reduction gearbox 110, the turbine reduction gearbox 110 is arranged on the side surface of the box body 107, the roller 106 is arranged in the box body 107, a shaft 109 is fixed on the roller 106 through a key, a bearing 108 is arranged between the box body 107 and the shaft 109, the shaft 109 is connected with the turbine reduction gearbox 110 through a key, the steel wire rope 104 is wound on the roller 106, the steel wire rope 104 is connected with the valve plate 3 through the guide wheel 103, the guide wheel 103 is arranged on a guide wheel frame 102, the box body 107 and the guide wheel frame 101 are both fixed on the frame 101, the worm wheel reduction gearbox mechanism can be self-locked due to the heavy caliber of the valve plate, the electric device drives the worm reduction gearbox shaft and the roller drum to rotate, the valve plate moves up and down through a steel wire rope, the structure is simple, the movement is stable, the self-locking performance is good, the loosening and clamping mechanism 4 consists of a second electric device 401, a bracket 404, an upper shaft 410 and a cam mechanism 409, the second electric device 401 is fixed on the bracket 404, the bracket 404 is fixedly welded on the side surface of the valve body 2, a transmission shaft 402 is arranged on the second electric device 401, a sliding bearing 403 is arranged on the transmission shaft 402, a first swing arm 413 is arranged on the transmission shaft 402, the first swing arm 413 is connected with a second swing arm 415 through a first connecting rod 414, the second swing arm 415 is connected with a second connecting rod 416 and a third connecting rod 417, the upper shaft 410 is connected with a swing arm sleeve 405 through a key, a UC bearing 406 is arranged on the upper shaft 410 and is fixed with the valve body 2 through bolts, the UC bearing 406 and the valve body 2 are sealed through a packing gland 407 and a packing 408, the UC bearing is screwed with the valve body through the packing gland and the packing, the upper shaft 410 penetrates into the valve body 2, the cam mechanism 409 is arranged on the upper shaft 410, the upper shaft 410 is connected with the lower shaft 412 through the connecting pipe 411, the upper shaft 410 is connected with the cam mechanism 409 through a key, the second electric device rotates the swing arm through the transmission shaft, the cam group is driven by the connecting rod mechanism to push the valve plate to loosen and clamp, the synchronism is good, the sealing is reliable, the movement is stable, the worm gear reduction box 110 and the box body 107 are fixed through bolts, the valve plate 3 is arranged as a blind plate, and the sealing surface material of the valve plate 3 is 316L.

Working principle: the loosening clamping mechanism 4 adopts worm gear transmission, the worm gear reduction box 101 can be self-locked, the first electric device 105 drives the worm gear reduction box shaft and the idler wheels 106 to rotate, the valve plate 3 moves up and down through the steel wire rope 104, the second electric device 401 rotates the swing arm through the transmission shaft 402, the cam mechanism 409 is driven by the connecting rod mechanism to push the valve plate 3 to be loosened and clamped, and the screw-nut pair achieves synchronous movement to achieve loosening and clamping of the valve.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a desulfurization baffle door, includes valve body (2), valve plate (3) and unclamping clamping mechanism (4), its characterized in that: the utility model discloses a novel mechanical valve, including valve body (2), upper and lower running gear (1) are installed in the valve body (2) outside, unclamping clamping mechanism (4) are installed to valve body (2) one side, valve body (2) internally mounted has valve plate (3), install sealing washer (7) on valve plate (3), install silica gel strip (8) on sealing washer (7), valve body (2) upper chamber is installed front and back guide pulley (5), valve body (2) upper chamber is last to install valve body upper seal (6), valve plate (3) both sides are installed first left and right guide pulley (9) and second left and right guide pulley (10), upper and lower running gear (1) are by first electric actuator (105), turbine reduction gearbox (110), box (107), gyro wheel (106) and wire rope (104) are constituteed, first electric actuator (105) are installed on turbine reduction gearbox (110), turbine reduction gearbox (110) are installed in box (107) side, install gyro wheel (106) in box (107), pass through key fixed shaft (106), be connected with turbine (109) and wire rope (109) between the shaft (109), the steel wire rope (104) is connected with the valve plate (3) through a guide wheel (103), the guide wheel (103) is installed on the guide wheel frame (102), the box body (107) and the guide wheel frame (102) are both fixed on the frame (101), the loosening and clamping mechanism (4) is composed of a second electric device (401), a support (404), an upper shaft (410) and a cam mechanism (409), the second electric device (401) is fixed on the support (404), the support (404) is fixedly welded on the side surface of the valve body (2), a transmission shaft (402) is arranged on the second electric device (401), a sliding bearing (403) is installed on the transmission shaft (402), a first swing arm (413) is installed on the transmission shaft (402), the first swing arm (413) is connected with a second swing arm (415) through a first connecting rod (414), the second swing arm (415) is connected with a second connecting rod (416) and a third connecting rod (417), the upper shaft (410) is connected with a swing arm sleeve (405) through a key, a UC (406) is installed on the upper shaft (410) and the valve body (406) is fixed with a seal gland (406) through a seal gland (406), the upper shaft (410) penetrates into the valve body (2), a cam mechanism (409) is arranged on the upper shaft (410), and the upper shaft (410) and the lower shaft (412) are connected through a connecting pipe (411);

the upper shaft (410) is connected with the cam mechanism (409) through a key;

the turbine reduction gearbox (110) and the gearbox body (107) are fixed through bolts.

2. A desulfurization baffle door according to claim 1, wherein: the valve plate (3) is arranged as a blind plate, and the sealing surface material of the valve plate (3) is 316L.