CN215596421U

CN215596421U - High-strength flue gas switching valve

Info

Publication number: CN215596421U
Application number: CN202121447718.7U
Authority: CN
Inventors: 赵建民; 谢志鹏
Original assignee: Shijiazhuang Nest Machinery Valve Industry Co ltd
Current assignee: Shijiazhuang Nest Machinery Valve Industry Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-21
Anticipated expiration: 2031-06-28

Abstract

The utility model relates to the technical field of valves, in particular to a high-strength flue gas switching valve which comprises a flue gas channel and a waste gas channel, wherein switching plates are respectively connected in the flue gas channel and the waste gas channel in a sliding manner, a screw rod is rotatably connected in the sliding groove and fixedly connected with a plurality of limiting rods, an inner screw hole matched with the screw rod and a plurality of limiting holes matched with the limiting rods are formed in the switching plates, cleaning assemblies are connected in the flue gas channel and the waste gas channel and comprise a plurality of cleaning blocks, the cleaning blocks are respectively and rotatably connected in the flue gas channel and the waste gas channel, the cleaning blocks are connected with the corresponding flue gas channel and the waste gas channel through tensioning springs, a switching motor is arranged on the flue gas channel, the output end of the switching motor extends into the flue gas channel and is connected with the screw rod, a moving frame is respectively connected on the flue gas channel and the waste gas channel, the cleaning frame is slidably connected on the moving frame, and a driving mechanism is connected on the waste gas channel, it is convenient for clear up the valve to its leakproofness is better.

Description

High-strength flue gas switching valve

Technical Field

The utility model relates to the technical field of valves, in particular to a high-strength flue gas switching valve.

Background

As is well known, a valve is a device for controlling the direction, pressure and flow rate of a fluid in a fluid system, and flue gas generated by combustion in an incinerator needs to be switched in the flow direction by using a flue gas switching valve, which is widely used in the field of flue gas treatment.

Through the retrieval, chinese patent publication CN 203176431U's utility model discloses a flue gas switches valve, its roughly description does, including flue gas passageway, waste gas passageway and access door, flue gas and waste gas passageway are adjacent square pipeline, are equipped with pneumatic control's valve in the middle of two pipelines, utilize the switching of two pipelines of a valve control, are provided with the access door on the pipeline simultaneously, can examine the valve sealing condition to can open the valve fast and overhaul.

Although prior art scheme among the above-mentioned has reduced the valve quantity, has strengthened the leakproofness of valve, and it is convenient to overhaul, nevertheless the flue gas can adsorb on the inner wall of valve when passing through in the valve, and the smoke and dust is piled up and may be caused valve corrosion damage, is not convenient for clear up inside the valve among the foretell prior art, and the life of valve is lower to its rotation that relies on the valve plate carries out the switching to the valve, and sealed effect is relatively poor, and the angle modulation of valve plate is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-strength flue gas switching valve, which solves the problems that the valve is inconvenient to clean and poor in sealing performance in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a high-strength flue gas switching valve comprises a flue gas channel and a waste gas channel, wherein the flue gas channel is communicated with the waste gas channel through a switching port, and the flue gas channel and the waste gas channel are both provided with chutes, the insides of the chutes are connected with the switching plate in a sliding way, the insides of the chutes are rotatably connected with screw rods and are fixedly connected with a plurality of limiting rods, the switching plate is provided with an inner screw hole matched with the screw rod and a plurality of limiting holes matched with the limiting rods, the interior of the flue gas channel and the waste gas channel is connected with a cleaning component for cleaning the switching plate, the flue gas channel is provided with a switching motor, the output end of the switching motor extends into the flue gas channel and is connected with the screw rod, the flue gas channel and the waste gas channel are both connected with a movable frame, the movable frame is connected with a cleaning frame in a sliding mode, and the exhaust gas duct is connected with a driving mechanism used for moving the cleaning frame.

Preferably, actuating mechanism includes driving motor and a plurality of transfer line, the transfer line rotates to be connected in the inside of flue gas flue and flue gas flue, and the transmission is connected with a plurality of belts between a plurality of transfer lines, the belt is connected with a plurality of clearance framves, driving motor installs on the flue gas flue to driving motor's output stretches into the inside of flue gas flue and a transfer line in a plurality of transfer lines and connects.

Furthermore, the clearance subassembly includes a plurality of clearance pieces, and is a plurality of the clearance piece rotates respectively and connects in the inside of flue gas flue and flue gas duct, the clearance piece is connected with flue gas flue and the flue gas duct that corresponds through taut spring.

Still further, be connected with the mounting panel between flue gas flue and the flue gas flue, install vibrating motor on the mounting panel to vibrating motor and flue gas flue contact.

On the basis of the scheme, the movable frame is connected with a plurality of limiting frames, the transmission rod is rotatably connected with the limiting frames, and the belt is located inside the limiting frames.

On the basis of the scheme, a plurality of balls are rotatably connected inside the sliding groove.

Furthermore, a sealing ring is connected to the switching plate.

Still further, a cleaning pad is connected to the cleaning frame.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-strength flue gas switching valve which has the following beneficial effects:

1. this high strength flue gas switches valve can clear up it when the switch board removes through the clearance subassembly, and actuating mechanism can drive the clearance frame and put up reciprocating sliding on removing, clears up the inner wall of flue gas flue and flue gas flue through the clearance frame, scrapes adnexed smoke and dust on it, has solved to a certain extent and has not been convenient for in the above-mentioned prior art and has carried out the problem of clearing up to the valve is inside.

2. This high strength flue gas switches valve, the switching motor can drive the lead screw and rotate, screw-thread fit and the limiting displacement of stop lever to switching board through lead screw and switching board, can drive the switching board and slide in the inside of spout, carry out the switching by turns to flue gas channel and flue gas duct, the area of switching board slightly is greater than the sectional area of flue gas channel and flue gas duct, be convenient for seal flue gas channel and flue gas duct, rotate the mode that the valve plate realized the valve switching among the above-mentioned prior art, the sealed effect of this scheme is better.

Drawings

FIG. 1 is a partially cut-away perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic perspective view of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of the switching plate, the screw rod, the limiting rod, the switching motor and the like in cooperation.

In the figure: 1. a flue gas channel; 2. an exhaust gas duct; 3. a switch board; 4. a screw rod; 5. a limiting rod; 6. switching the motors; 7. a movable frame; 8. cleaning the rack; 9. a drive motor; 10. a transmission rod; 11. a belt; 12. cleaning the block; 13. tensioning the spring; 14. mounting a plate; 15. a vibration motor; 16. a limiting frame; 17. a ball bearing; 18. a seal ring; 19. and cleaning the pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, a high-strength flue gas switching valve comprises a flue gas duct 1 and a waste gas duct 2, wherein the flue gas duct 1 and the waste gas duct 2 are communicated through a switching port, sliding grooves are formed in the flue gas duct 1 and the waste gas duct 2, a switching plate 3 is slidably connected in the sliding grooves, a sealing ring 18 is connected to the switching plate 3 to facilitate sealing of the flue gas duct 1 and the waste gas duct 2 and prevent leakage of flue gas or waste gas, a plurality of balls 17 are rotatably connected to the inside of the sliding grooves to facilitate sliding of the switching plate 3, a screw rod 4 is rotatably connected to the inside of the sliding grooves and fixedly connected with a plurality of limiting rods 5, an internal screw hole matched with the screw rod 4 and a plurality of limiting holes matched with the limiting rods 5 are formed in the switching plate 3, a cleaning assembly for cleaning the switching plate 3 is connected to the inside of the flue gas duct 1 and the waste gas duct 2, the cleaning assembly comprises a plurality of cleaning blocks 12, the cleaning blocks 12 are respectively rotatably connected inside the flue gas duct 1 and the waste gas duct 2, the cleaning blocks 12 are connected with the corresponding flue gas duct 1 and the corresponding waste gas duct 2 through tensioning springs 13, the tensioning springs 13 can drive the cleaning blocks 12 to abut against the switching plate 3, the cleaning blocks 12 can scrape off smoke dust attached to the bottom end face of the switching plate 3 when the switching plate 3 moves, the switching plate 3 is cleaned, the flue gas duct 1 is provided with the switching motor 6, the output end of the switching motor 6 extends into the flue gas duct 1 and is connected with the screw rod 4, the switching motor 6 can drive the screw rod 4 to rotate, the switching plate 3 can be driven to slide inside the chute through the threaded fit of the screw rod 4 and the switching plate 3 and the limiting effect of the limiting rod 5 on the switching plate 3, the flue gas duct 1 and the waste gas duct 2 are opened and closed, the flue gas duct 1 and the waste gas duct 2 are both connected with the moving frames 7, the movable frame 7 is connected with a cleaning frame 8 in a sliding mode, and the cleaning frame 8 is connected with a cleaning pad 19, so that the flue gas duct 1 and the waste gas duct 2 can be cleaned conveniently.

It should be further explained that a driving mechanism for moving the cleaning frame 8 is connected to the exhaust gas duct 2, the driving mechanism includes a driving motor 9 and a plurality of transmission rods 10, the transmission rods 10 are rotatably connected to the inside of the exhaust gas duct 1 and the exhaust gas duct 2, a plurality of belts 11 are connected between the plurality of transmission rods 10 in a transmission manner, the belts 11 are connected to the plurality of cleaning frames 8, the driving motor 9 is installed on the exhaust gas duct 2, the output end of the driving motor 9 extends into the inside of the exhaust gas duct 2 and is connected to one transmission rod 10 of the plurality of transmission rods 10, the driving motor 9 drives the transmission rod 10 connected thereto to rotate, the belts 11 are tensioned between the plurality of transmission rods 10, thereby the cleaning frames 8 are driven to slide on the moving frame 7 by the rotation of the belts 11 to clean the inner walls of the exhaust gas duct 1 and the exhaust gas duct 2, the moving frame 7 is connected to a plurality of limiting frames 16, the transmission rod 10 is rotatably connected with the limiting frame 16, the belt 11 is located inside the limiting frame 16, the belt 11 is convenient to limit, meanwhile, the stability of the transmission rod 10 can be improved, a mounting plate 14 is connected between the flue gas duct 1 and the flue gas duct 2, a vibration motor 15 is installed on the mounting plate 14, the vibration motor 15 is in contact with the flue gas duct 1 and the flue gas duct 2, the vibration motor 15 can drive the flue gas duct 1 and the flue gas duct 2 to vibrate, the flue gas duct 1 and the flue gas duct 2 can be conveniently shaken off the attached smoke dust, and meanwhile, the scraped smoke dust can be shaken to an outlet to be cleaned.

Switching motor 6, driving motor 9 and vibrating motor 15 in this embodiment are conventional devices known to those skilled in the art and purchased on the market, and can be customized or the models can be selected according to actual needs, and we only use it in this patent, and do not improve its structure and function, its setting mode, installation mode and electric connection mode, for those skilled in the art, as long as debug according to the requirements of its use specification, it is no longer repeated here, and switching motor 6, driving motor 9 and vibrating motor 15 all are provided with control switches matched with them, the installation position of control switch is selected according to actual use needs, and it is convenient for an operator to perform operation control.

In summary, the working principle and working process of the high-strength flue gas switching valve are that, when in use, the high-strength flue gas switching valve is firstly fixedly installed on an incinerator, a switching plate 3 is initially positioned inside a flue gas channel 1 to seal the flue gas channel 1, waste gas enters the incinerator through a flue gas channel 2, the incinerator burns the waste gas, after a certain time, a switching motor 6 is started, the switching motor 6 can drive a screw rod 4 to rotate, the switching plate 3 can be driven to slide inside a chute through the screw-thread fit of the screw rod 4 and the switching plate 3 and the limiting action of a limiting rod 5 on the switching plate 3, the switching plate 3 slides into the flue gas channel 2 to seal the flue gas channel 1, the burnt flue gas is discharged through the flue gas channel 1, in the process, a cleaning block 12 is abutted against the switching plate 3 through a tensioning spring 13, the switching board 3 can be scraped by the cleaning block 12 when sliding to scrape off the attached smoke dust on the switching board, when the smoke flue 1 and the waste gas flue 2 need to be cleaned, the driving motor 9 is started, the driving motor 9 drives the transmission rod 10 connected with the driving motor 9 to rotate, the belt 11 is tensioned among the transmission rods 10, the cleaning frame 8 is driven to slide on the moving frame 7 through the rotation of the belt 11, the inner walls of the smoke flue 1 and the waste gas flue 2 are cleaned, the smoke flue 1 and the waste gas flue 2 are driven to vibrate through the vibrating motor 15, the attached smoke dust of the smoke flue 1 and the waste gas flue 2 is shaken off, and meanwhile, the scraped smoke dust is vibrated to an outlet to clean the smoke dust.

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

Claims

1. The utility model provides a high strength flue gas switches valve, includes flue gas duct (1) and flue gas duct (2), its characterized in that: the flue gas duct (1) and the waste gas duct (2) are communicated through a switching port, sliding grooves are formed in the flue gas duct (1) and the waste gas duct (2), a switching plate (3) is connected to the inside of each sliding groove in a sliding mode, a screw rod (4) is connected to the inside of each sliding groove in a rotating mode, a plurality of limiting rods (5) are fixedly connected to the inside of each sliding groove, an inner threaded hole matched with the screw rod (4) and a plurality of limiting holes matched with the limiting rods (5) are formed in the switching plate (3), a cleaning assembly used for cleaning the switching plate (3) is connected to the inside of each flue gas duct (1) and the corresponding waste gas duct (2), a switching motor (6) is installed on each flue gas duct (1), the output end of the switching motor (6) stretches into the inside of the flue gas duct (1) and is connected with the screw rod (4), and moving frames (7) are connected to the flue gas duct (1) and the waste gas duct (2), the movable frame (7) is connected with a cleaning frame (8) in a sliding mode, and the exhaust gas channel (2) is connected with a driving mechanism used for moving the cleaning frame (8).

2. The high intensity flue gas switching valve of claim 1, wherein: drive mechanism includes driving motor (9) and a plurality of transfer line (10), transfer line (10) rotate to be connected in the inside of flue gas duct (1) and waste gas duct (2), and the transmission is connected with a plurality of belts (11) between a plurality of transfer line (10), belt (11) and a plurality of clearance frame (8) are connected, driving motor (9) are installed on waste gas duct (2) to the output of driving motor (9) stretches into waste gas duct (2) inside and one transfer line (10) in a plurality of transfer line (10) and connects.

3. The high intensity flue gas switching valve of claim 2, wherein: the clearance subassembly includes a plurality of clearance piece (12), and is a plurality of clearance piece (12) rotate respectively and connect in the inside of flue gas flue (1) and flue gas duct (2), clearance piece (12) are connected with flue gas flue (1) and flue gas duct (2) that correspond through straining spring (13).

4. The high intensity flue gas switching valve of claim 3, wherein: be connected with mounting panel (14) between flue gas flue (1) and flue gas flue (2), install vibrating motor (15) on mounting panel (14) to vibrating motor (15) and flue gas flue (1) and flue gas flue (2) contact.

5. The high intensity flue gas switching valve of claim 4, wherein: the movable rack (7) is connected with a plurality of limiting racks (16), the transmission rod (10) is rotatably connected with the limiting racks (16), and the belt (11) is located inside the limiting racks (16).

6. The high intensity flue gas switching valve of claim 5, wherein: the inside of spout is rotated and is connected with a plurality of balls (17).

7. The high intensity flue gas switching valve of claim 6, wherein: the switching plate (3) is connected with a sealing ring (18).

8. The high intensity flue gas switching valve of claim 7, wherein: the cleaning frame (8) is connected with a cleaning pad (19).