CN210978646U

CN210978646U - Self-cleaning self-balancing panel turnover explosion-proof valve

Info

Publication number: CN210978646U
Application number: CN201920889218.5U
Authority: CN
Inventors: 罗洪超; 罗新民; 高亮
Original assignee: Safetek Guangzhou Safety Systems & Technology Co ltd
Current assignee: Safetek Guangzhou Safety Systems & Technology Co ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-07-10
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a self-cleaning formula self-balancing turns over board flame proof valve, including outlet flange, sealing strip, balancing weight, base and sliding block, outlet flange and entry flange and inner chamber intercommunication, and be provided with pressure sensor in the outlet flange right side pipeline, the sealing strip laminating is turning over the board inner wall, and turns over the board and pass through the main arm of force of rotation connection and follow the arm of force, the pedestal welding is at the inner chamber lower extreme, and the inside gas holder that is fixed with of base, be located right side axis of rotation below from the arm of force, and follow the arm of force and adjust the pole and the vertical direction of dead lever is perpendicular, the sliding block is external on the inner chamber right. This automatically cleaning formula self-balancing turns over board flame proof valve can carry out the valve internal cleaning through the gas holder, need not the manual deashing of opening, simultaneously, turns over opening of board and accomplishes through gravity adjustment, has reached automatic balance's effect to the dead device setting of lock that turns over the board is outside at the device, has reduced the damage of explosion to the inner chamber device.

Description

Self-cleaning self-balancing panel turnover explosion-proof valve

Technical Field

The utility model relates to an explosion-proof technical field of dust specifically is a self-cleaning formula self-balancing turns over board flame proof valve.

Background

With the development of modern industry, the potential risk of dust explosion increases greatly. The explosion-proof technology can prevent explosion from spreading from the initial position to other process units, and avoid secondary or system explosion accidents, so that the explosion hazard is reduced, and the explosion-proof valve is a relatively popular explosion-proof device internationally due to simplicity and reliability.

However, most explosion-proof valves on the market only have a simple explosion-proof function, and when the turnover plate is used, a large amount of dust is accumulated due to large resistance, so that the pipeline can be blocked, the work is influenced, if the work needs to be cleaned, the turnover plate can be manually opened and cleaned, and meanwhile, after the explosion-proof valve is used, the turnover plate can be manually opened again.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-cleaning formula self-balancing turns over board flame proof valve to the board that turns over that provides in solving above-mentioned background art accumulates collects the inconvenient clearance of dust, the unable automatic problem of opening.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a self-cleaning formula self-balancing turns over board flame proof valve, includes outlet flange, sealing strip, balancing weight, base and sliding block, outlet flange and entry flange and inner chamber intercommunication, and be provided with pressure sensor in the outlet flange right side pipeline to it has 6 fixed orificess to open on the outlet flange, the sealing strip laminating turns over the inboard wall, and turns over the board and pass through the main arm of force of rotation coupling and follow the arm of force, the balancing weight hangs in main arm of force upper end, the pedestal welding is at the inner chamber lower extreme, and the inside gas holder that is fixed with of base, follow the arm of force and be located right side axis of rotation below, and follow the arm of force and adjust the vertical direction of pole and dead lever perpendicular, the.

Preferably, the length of the sealing strip is the same as that of the bevel face of the inlet flange.

Preferably, the turning plate, the main force arm and the auxiliary force arm are of welded integrated structures, and the main force arms on the two sides of the turning plate are of the same structure.

Preferably, the main force arm is of a hanging type structure, and the upper end of the main force arm and the inner ring of the balancing weight are provided with threads with the same specification and size.

Preferably, high-pressure nitrogen is arranged in the gas storage tank, the gas storage tank is connected with the inner cavity through a one-way gas valve, and the gas outlet end of the one-way gas valve is close to the inner cavity.

Preferably, the adjusting rod is driven by a motor, and the adjusting rod and the fixing rod are both of a fixed short lever structure.

Compared with the prior art, the beneficial effects of the utility model are that: the self-cleaning self-balancing turning plate explosion-proof valve can clean the interior of the valve through the gas storage tank, ash removal does not need to be manually started, cleaning operation is simplified, manpower is saved, meanwhile, the turning plate is started through gravity adjustment, an automatic balancing effect is achieved, and the locking device of the turning plate is arranged outside the device, so that damage of explosion to an inner cavity device is reduced;

1. due to the design of the air storage tank and the one-way air valve, the effect of cleaning dust in the inner cavity can be well achieved, the one-way air valve can effectively prevent gas backflow during explosion, and the use safety is improved;

2. the regulation of balancing weight can be adjusted turning plate opening angle, the volume of letting in of control material, and the regulating lever is to the position control from the arm of force simultaneously, can be directly will turn over the board and lock with the entry flange and die, hits explosion-proof effect.

Drawings

Fig. 1 is a right-view structural schematic diagram of the turning plate of the utility model when opening;

fig. 2 is a structural diagram of the turning plate of the present invention viewed from the right when the turning plate is closed;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a right side view of the adjustment lever of the present invention at the lower end;

fig. 5 is a right side view of the adjusting lever of the present invention at the upper end.

In the figure: 1. an outlet flange; 2. a pressure sensor; 3. an inner cavity; 4. a sealing strip; 5. turning over a plate; 6. a rotating shaft; 7. a balancing weight; 8. a main force arm; 9. an inlet flange; 10. a one-way air valve; 11. a gas storage tank; 12. a base; 13. a fixing hole; 14. a slave moment arm; 15. adjusting a rod; 16. fixing the rod; 17. and a slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a self-cleaning self-balancing turning plate explosion-proof valve comprises an outlet flange 1, a pressure sensor 2, an inner cavity 3, a sealing strip 4, a turning plate 5, a rotating shaft 6, a balancing weight 7, a main force arm 8, an inlet flange 9, a one-way air valve 10, an air storage tank 11, a base 12, a fixing hole 13, a slave force arm 14, an adjusting rod 15, a fixing rod 16 and a sliding block 17, wherein the outlet flange 1 and the inlet flange 9 are communicated with the inner cavity 3, the pressure sensor 2 is arranged in a pipeline on the right side of the outlet flange 1, the outlet flange 1 is provided with 6 fixing holes 13, the sealing strip 4 is attached to the inner wall of the turning plate 5, the turning plate 5 is connected with the main force arm 8 and a slave force arm 14 through the rotating shaft 6, the balancing weight 7 is hung at the upper end of the main force arm 8, the base 12 is welded at the lower end of the inner cavity 3, the air storage tank, the sliding block 17 is externally arranged on the right side of the inner cavity 3, and the sliding block 17 is welded with the adjusting rod 15.

The length of the sealing strip 4 is the same as that of the inclined opening surface of the inlet flange 9, so that the turning plate 5 and the inlet flange 9 can be completely overlapped and connected in a sealing manner under the condition that the device is locked.

The turning plate 5, the main force arm 8 and the auxiliary force arm 14 are of a welded integrated structure, the main force arms 8 on the two sides of the turning plate 5 are identical in structure, and the angle of the turning plate 5 in the inner cavity 3 can be controlled by adjusting the positions of the main force arms 8 or the auxiliary force arms 14.

The main force arm 8 is of a hanging type structure, threads with the same specification and size are arranged at the upper end of the main force arm 8 and the inner ring of the balancing weight 7, and the size of an opening of the turning plate 5 is adjusted by adjusting the position of the balancing weight 7 at the upper end of the main force arm 8 to adjust the feeding amount and the discharging amount of materials.

High-pressure nitrogen is arranged in the gas storage tank 11, the gas storage tank 11 is connected with the inner cavity 3 through the one-way gas valve 10, and the gas outlet end of the one-way gas valve 10 is close to the inner cavity 3, so that the high-pressure nitrogen can directly enter the inner cavity 3, the device is cleaned, and the one-way gas valve 10 can also flow backwards in a mode.

The adjusting rod 15 is driven by a motor, the adjusting rod 15 and the fixing rod 16 are both of a fixed short lever structure, so that the turning plate 5 cannot be opened too much under the action of the gravity of the balancing weight 7, and meanwhile, the effect of locking the device can be achieved during explosion.

The working principle is as follows: when the self-cleaning self-balancing turning plate explosion-proof valve is used, an outlet flange 1 and an inlet flange 9 are fixedly butted with pipelines on two sides through a fixing hole 13, a balancing weight 7 is screwed to a proper position at the upper end of a main force arm 8, so that a turning plate 5 reaches a proper opening angle under the action of gravity, meanwhile, a fixing rod 16 limits the opening of the turning plate 5 to be overlarge at the outer side, when explosion occurs, a pressure sensor 2 on the right side of the outlet flange 1 detects that the pressure in a pipe is increased suddenly, a signal is transmitted to a motor on a sliding block 17, the motor is started, a regulating rod 15 on the sliding block 17 is driven to descend to the bottom end, the regulating rod 15 rapidly presses down a secondary force arm 14, the turning plate 5 is driven to be completely coincided with the inlet flange 9 through a rotating shaft 6, the regulating rod 15 is locked, the explosion is ensured to be blocked, the damage, the release motor makes sliding block 17 rise to the top again, turns over board 5 and gets back to the open mode under the effect of gravity, when carrying out the device washing, opens one-way pneumatic valve 10 on the gas holder 11, and high-pressure nitrogen gas passes through the pipeline and gets into in the inner chamber 3, carries out the deashing to turning over board 5 and handles, and after the use, closes one-way pneumatic valve 10, accomplishes the deashing operation of device.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a self-cleaning formula self-balancing turns over board flame proof valve, includes outlet flange (1), sealing strip (4), balancing weight (7), base (12) and sliding block (17), its characterized in that: the outlet flange (1) and the inlet flange (9) are communicated with the inner cavity (3), a pressure sensor (2) is arranged in a pipeline on the right side of the outlet flange (1), and 6 fixing holes (13) are arranged on the outlet flange (1), the sealing strip (4) is attached to the inner wall of the turning plate (5), the turning plate (5) is connected with a main force arm (8) and a slave force arm (14) through a rotating shaft (6), the balancing weight (7) is hung at the upper end of the main force arm (8), the base (12) is welded at the lower end of the inner cavity (3), and the base (12) is internally fixed with an air storage tank (11), the driven arm (14) is positioned below the right rotating shaft (6), and the auxiliary force arm (14) is vertical to the adjusting rod (15) and the fixed rod (16), sliding block (17) are external on inner chamber (3) right side, and the welding has regulation pole (15) on sliding block (17).

2. The self-cleaning self-balancing flap explosion-proof valve of claim 1, characterized in that: the length of the sealing strip (4) is the same as that of the bevel face of the inlet flange (9).

3. The self-cleaning self-balancing flap explosion-proof valve of claim 1, characterized in that: the turning plate (5), the main force arm (8) and the auxiliary force arm (14) are of welded integrated structures, and the main force arms (8) on the two sides of the turning plate (5) are identical in structure.

4. The self-cleaning self-balancing flap explosion-proof valve of claim 1, characterized in that: the main force arm (8) is of a hanging type structure, and the upper end of the main force arm (8) and the inner ring of the balancing weight (7) are provided with threads with the same specification and size.

5. The self-cleaning self-balancing flap explosion-proof valve of claim 1, characterized in that: high-pressure nitrogen is arranged in the gas storage tank (11), the gas storage tank (11) is connected with the inner cavity (3) through the one-way gas valve (10), and the gas outlet end of the one-way gas valve (10) is close to the inner cavity (3).

6. The self-cleaning self-balancing flap explosion-proof valve of claim 1, characterized in that: the adjusting rod (15) is driven by a motor, and the adjusting rod (15) and the fixing rod (16) are both of a fixed short lever structure.