Sealed type gravity automatic cinder valve for ash hopper of dust remover

Abstract

The utility model relates to the technical field of dust remover dust discharging valves, in particular to a dust remover dust hopper sealing type gravity automatic dust discharging valve which comprises a valve body, an upper inlet pipe is inserted into the top of the valve body, a flange is fixed to the top end of the upper inlet pipe and used for being connected with a dust remover, a rotating shaft is rotationally connected into the valve body, and a blocking plate is fixed to the surface of the rotating shaft. The dust remover dust hopper sealing type gravity automatic dust discharging valve has the advantages that the dust remover dust hopper sealing type gravity automatic dust discharging valve is of a fully-closed structure, dust does not make contact with the outside, dust overflowing is avoided, and dust can be automatically discharged when the dust amount reaches a certain amount and does not need to be driven by power; the turning plate is of a structure smaller than the ash outlet pipe, the turning plate is prevented from being completely opened, the turning plate is attached to the upper ash inlet plate, when the dust remover works, the valve is closed more tightly due to the negative pressure effect, after the dust remover is closed, due to the fact that the weight of dust exceeds the weight of the balancing weight, the turning plate is automatically opened, and the dust automatically falls into an ash containing bag below from an ash hopper through the valve body.

Description

Technical Field

[0001] The utility model relates to the technical field of dust collector ash discharge valves, in particular to a dust collector ash hopper sealed type gravity automatic ash discharge valve. Background Art

[0002] The ash hopper unloading valve of industrial dust collector is an important component of dust collector, and is the key component of dust collector sealing and unloading. At present, the common ash hopper unloading valves of industrial dust collector are divided into two types: mechanical automatic unloading valve and manual unloading valve.

[0003] In the prior art, common mechanical automatic ash discharge valves are divided into three types: star-shaped rotary ash discharge valves, pneumatic (electric push rod) flap valves, and pneumatic (electric push rod) plug valves. When the star-shaped structure of the star-shaped rotary ash discharge valve rotates, the dust rotates through the gap between the star-shaped partition and the dust outlet below to be discharged. When the flap of the pneumatic (electric push rod) flap valve is turned over, the dust is discharged from the gap between the flap and the valve body. When the plug of the pneumatic (electric push rod) plug valve is pulled out, the dust above the valve body is directly discharged through the gap between the valve body and the plug.

[0004] However, the mechanical automatic ash unloading valve requires a drive device after all, which increases the manufacturing cost. Common problems with both automatic ash unloading valves and manual ash unloading valves include sealing problems (except for the automatic star-shaped rotary ash unloading valve, which is complex to process and has high manufacturing costs). When the dust collector is working, it will cause air leakage. Although the negative pressure has little effect when the dust collector is working, some dust will still overflow from the gap when the dust collector stops working, which is particularly obvious during cleaning. At the same time, some dust will accumulate in the gap, causing the active parts to jam, resulting in the ash unloading valve opening failure. Moreover, although the common flap ash unloading valve also has the function of automatic ash unloading, its bottom is open to the ash receiving device, and dust will spread everywhere when unloading. Utility Model Content

[0005] The utility model aims to provide a sealed gravity automatic ash discharge valve for an ash hopper of a dust collector to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust collector ash hopper sealed gravity automatic ash unloading valve, including a valve body, the top of the valve body is plugged with an upper inlet pipe, the top of the upper inlet pipe is fixed with a flange for connecting the dust collector, the internal rotation of the valve body is connected with a rotating shaft, the surface of the rotating shaft is fixed with a blocking plate, and the two ends of the rotating shaft are respectively fixed on the two side plates of a U-shaped fixing plate, a screw rod is provided on the surface of the U-shaped fixing plate, a counterweight block is provided on the rod body of the screw rod, and a lower outlet pipe is provided at the bottom end of the valve body.

[0007] Preferably, the valve body is a square frame structure, and circular openings are provided on the top plate and the bottom plate of the valve body, the upper inlet pipe is movably inserted in one circular opening, and the lower outlet pipe is fixed below the other circular opening.

[0008] Preferably, the outer ring diameter of the upper inlet pipe is equal to the diameter of the circular opening, the plate surface size of the blocking plate is larger than the bottom surface size of the upper inlet pipe, and the blocking plate blocks the bottom pipe opening of the upper inlet pipe when it is placed flat inside the valve body.

[0009] Preferably, the upper inlet pipe passes through the plate body of the flange.

[0010] Preferably, an anti-slip ring is fixed to the outer ring surface of the bottom end of the lower outlet pipe, and the anti-slip ring is a ring structure with a circular cross-section.

[0011] Preferably, the rotating shaft is in the form of a round rod structure, and both ends of the rotating shaft respectively penetrate two parallel side plates of the flange.

[0012] Preferably, a reserved hole is opened on the surface of the U-shaped fixing plate, the screw rod is inserted into the reserved hole, and two nuts are threadedly sleeved on the rod body of the screw rod, and the two nuts are symmetrically distributed about the plate body of the U-shaped fixing plate.

[0013] Preferably, the counterweight block is in the form of a circular cylindrical structure, the counterweight block is sleeved on the rod body of the screw rod, and nuts are provided on both sides of the counterweight block, and the nuts are sleeved and threadedly connected to the rod body of the screw rod.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model proposes a sealed gravity automatic ash unloading valve for the ash hopper of the dust collector, which adopts a fully enclosed structure. The dust does not come into contact with the outside world and does not overflow. When the ash amount reaches a certain amount, the ash can be automatically unloaded without power drive. The flap adopts a structure that is smaller than the ash outlet pipe to prevent the flap from being unable to open completely. The flap fits the upper ash inlet plate. When the dust collector is working, the valve is closed more tightly due to the negative pressure. After the dust collector is closed, the weight of the dust exceeds the weight of the counterweight block, the flap automatically opens, and the dust automatically falls from the ash hopper through the valve body into the ash bag below. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a side view of the structure of the utility model;

[0018] Figure 3 It is a half-section diagram of the structure of the utility model.

[0019] In the figure: flange 1, upper inlet pipe 2, blocking plate 3, valve body 4, lower outlet pipe 5, anti-slip ring 6, rotating shaft 7, U-shaped fixing plate 8, screw rod 9, nut 10, counterweight 11. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 3 The utility model provides a technical solution: a sealed gravity automatic ash unloading valve for a dust collector hopper, comprising a valve body 4, an upper inlet pipe 2 is plugged into the top of the valve body 4, a flange 1 is fixed to the top of the upper inlet pipe 2 for connecting the dust collector, a lower outlet pipe 5 is arranged at the bottom of the valve body 4, the valve body 4 is a square frame structure, a round opening is provided on the top plate of the valve body 4 and the bottom plate of the valve body 4, the upper inlet pipe 2 is movably plugged into one round opening, the lower outlet pipe 5 is fixed below the other round opening, an anti-slip ring 6 is fixed to the outer ring surface of the bottom end of the lower outlet pipe 5, and the anti-slip ring 6 is a ring structure with a circular cross section;

[0022] The valve body 4 is internally connected with a rotating shaft 7, which is a round rod structure. The two ends of the rotating shaft 7 respectively penetrate the two parallel side plates of the flange 1. The surface of the rotating shaft 7 is fixed with a plugging plate 3. The outer ring diameter of the tube body of the upper inlet pipe 2 is equal to the diameter of the round mouth. The upper inlet pipe 2 penetrates the plate body of the flange 1. The plate surface size of the plugging plate 3 is larger than the bottom surface size of the upper inlet pipe 2. When the plugging plate 3 is placed flat inside the valve body 4, the bottom pipe opening of the upper inlet pipe 2 is blocked, and the two ends of the rotating shaft 7 are respectively fixed on the two side plates of the U-shaped fixing plate 8. A screw rod 9 is provided on the surface of the U-shaped fixing plate 8, and a counterweight block 11 is provided on the rod body of the screw rod 9. A reserved hole is opened on the surface of the U-shaped fixing plate 8, the screw rod 9 is inserted into the reserved hole, and two nuts 10 are sleeved and screwed on the rod body of the screw rod 9, and the two nuts 10 are symmetrically distributed about the plate body of the U-shaped fixing plate 8; the counterweight block 11 is a circular cylindrical structure, the counterweight block 11 is sleeved on the rod body of the screw rod 9, and nuts 10 are provided on both sides of the counterweight block 11, and the nuts 10 are sleeved and screwed on the rod body of the screw rod 9.

[0023] When in use, the lower part of the dust collector is connected to the flange 1 of the ash unloading valve; when the amount of ash in the lower part of the dust collector is small, due to the lever principle, the weight of the counterweight 11 is greater than the weight of the upper inlet pipe 2 and the dust at the lower part of the dust collector, the plugging plate 3 is still attached to the lower part of the upper inlet pipe 2, and the dust still cannot fall out of the ash unloading valve, and when the dust collector is running, due to the effect of negative pressure, the plugging plate 3 and the upper inlet pipe 2 fit more tightly, and the dust cannot fall out of the valve body 4; when the amount of ash in the lower part of the dust collector is large and the dust collector is not working, the weight of the upper inlet pipe 2 and the dust at the lower part of the dust collector is greater than the weight of the counterweight 11, the plugging plate 3 is naturally turned over, and the dust falls naturally, and falls from the lower outlet pipe 5 after passing through the valve body 4. Since the plugging plate 3 and the lower part of the upper inlet pipe 2 are both located inside the valve body 4, and there are only the valve body 4 and the lower outlet pipe 5 as the only outlet, there is no extra ash leakage point in this ash unloading valve.

[0024] Since the switch part of the ash unloading valve is located inside the valve body 4, the phenomenon of dust being scattered everywhere is avoided. At the same time, since the force arm adopts the screw rod 9, the position of the counterweight block 11 can be freely adjusted. From the principle of lever, it can be known that the weight of the dust in the ash hopper that needs to overcome the weight of the counterweight block 11 is different depending on the position of the counterweight block 11, so the ash storage capacity of the dust collector hopper can be selected. The lower outlet pipe 5 below the ash unloading valve is circular, and a circle of anti-slip ring 6 is welded and fixed at the bottom to facilitate the fixing of the ash bag. After the ash bag is tightened, it is not easy to slip and cause dust to be scattered everywhere.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealed gravity automatic ash discharge valve for a dust collector ash hopper, comprising a valve body (4), characterized in that: An upper inlet pipe (2) is inserted into the top of the valve body (4), and a flange (1) is fixed to the top of the upper inlet pipe (2) for connecting to a dust collector. A rotating shaft (7) is rotatably connected inside the valve body (4), and a blocking plate (3) is fixed to the surface of the rotating shaft (7), and the two ends of the rotating shaft (7) are respectively fixed to two side plates of a U-shaped fixing plate (8). A screw rod (9) is provided on the surface of the U-shaped fixing plate (8), and a counterweight block (11) is provided on the rod body of the screw rod (9). A lower outlet pipe (5) is provided at the bottom end of the valve body (4).

2. The dust collector ash hopper sealed gravity automatic ash discharge valve according to claim 1 is characterized by: The valve body (4) is a square frame structure, and circular openings are provided on the top plate and the bottom plate of the valve body (4), the upper inlet pipe (2) is movably inserted into one of the circular openings, and the lower outlet pipe (5) is fixed below the other circular opening.

3. The dust collector ash hopper sealed gravity automatic ash discharge valve according to claim 2 is characterized in that: The outer ring diameter of the upper inlet pipe (2) is equal to the diameter of the circular opening, the plate surface size of the blocking plate (3) is larger than the bottom surface size of the upper inlet pipe (2), and when the blocking plate (3) is placed flat inside the valve body (4), it blocks the bottom pipe opening of the upper inlet pipe (2).

4. The dust collector ash hopper sealed gravity automatic ash discharge valve according to claim 1, characterized in that: The upper inlet pipe (2) passes through the plate body of the flange (1).

5. The dust collector ash hopper sealed gravity automatic ash discharge valve according to claim 1, characterized in that: An anti-slip ring (6) is fixed on the outer ring surface of the bottom end of the lower outlet pipe (5), and the anti-slip ring (6) is a ring structure with a circular cross section.

6. The dust collector ash hopper sealed gravity automatic ash discharge valve according to claim 1, characterized in that: The rotating shaft (7) is in the form of a round rod structure, and the two ends of the rotating shaft (7) respectively penetrate two parallel side plates of the flange (1).

7. The dust collector ash hopper sealed gravity automatic ash discharge valve according to claim 1, characterized in that: A reserved hole is provided on the surface of the U-shaped fixing plate (8), a screw rod (9) is inserted into the reserved hole, and two nuts (10) are sleeved and threaded on the rod body of the screw rod (9), and the two nuts (10) are symmetrically distributed about the plate body of the U-shaped fixing plate (8).

8. The dust collector ash hopper sealed gravity automatic ash discharge valve according to claim 1, characterized in that: The counterweight block (11) is in the form of a circular cylindrical structure. The counterweight block (11) is sleeved on the rod body of the screw rod (9). Nuts (10) are provided on both sides of the counterweight block (11). The nuts (10) are sleeved and threadedly connected to the rod body of the screw rod (9).

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