Shaftless screw conveyor for discharging ash

Abstract

The utility model discloses an ash discharge shaftless screw conveyor which comprises an upper shell and a lower shell, a machine shell cavity is defined by the upper shell and the lower shell, a shaftless screw body is arranged in an inner cavity of the machine shell cavity, the shaftless screw body is tightly attached to the inner cavity face of the machine shell cavity in a gapless mode, and a building material layer is poured in a shell body of the machine shell cavity. The shaftless spiral body is connected with the output end of the gear motor through a coupler. The upper shell and the lower shell are connected through a bolt flange; a plurality of shell ash removal doors are arranged at the lateral upper part of the upper shell; a discharge hole is formed in the lower part of one end, far away from the speed reducing motor, of the lower shell; the main body of the shell cavity is of a V-shaped structure; the lower portion of the V-shaped structure is of an arc-shaped structure. According to the utility model, the material building layer is arranged in the shell of the shell cavity, the temperature of the ash material is higher, and the temperature-resistant pouring material layer is poured in the inner cavity of the shell cavity in order to prevent the heat deformation influence of high temperature on the shell, so that the shell cavity can be effectively protected, and the heat deformation of the shell cavity is prevented.

Description

Technical Field

[0001] This utility model belongs to the technical field of screw conveying equipment, specifically relating to a shaftless screw conveyor for ash discharge. Background Technology

[0002] Waste incineration is a common method of treating municipal solid waste. Waste incineration usually uses incineration boilers. After incineration, the ash needs to be discharged from the boiler. Since the ash discharged from the boiler has a high temperature and a certain degree of stickiness, it has a great impact on traditional conveying equipment. Based on the above material characteristics, this utility model is proposed. Utility Model Content

[0003] The purpose of this utility model is to provide a shaftless screw conveyor for ash discharge.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A shaftless screw conveyor for ash discharge includes an upper shell and a lower shell, which together form a machine shell cavity. A shaftless screw is disposed inside the inner cavity of the machine shell cavity, and the shaftless screw is tightly fitted with the inner surface of the machine shell cavity without gaps. A layer of mortar is poured inside the shell of the machine shell cavity.

[0006] Preferably, the shaftless helical body is connected to the output end of the geared motor via a coupling.

[0007] Furthermore, the upper and lower housings are connected by bolted flanges.

[0008] Preferably, a plurality of shell cleaning doors are provided on the upper side of the upper shell 1.

[0009] Furthermore, a discharge port is provided at the lower end of the lower housing away from the geared motor.

[0010] Preferably, the shaftless helix is ​​formed by casting.

[0011] Furthermore, a protective housing is provided on the outer side of the coupling.

[0012] Preferably, the main body of the housing cavity has a V-shaped structure.

[0013] Furthermore, the lower part of the V-shaped structure is an arc-shaped structure.

[0014] Beneficial technical effects:

[0015] This invention provides a layer of refractory material inside the housing cavity. Because the ash material has a high temperature, a layer of heat-resistant refractory material is poured into the inner cavity of the housing cavity to prevent thermal deformation caused by the high temperature. This effectively protects the housing cavity and prevents thermal deformation. Attached Figure Description

[0016] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the front structure of the shaftless screw conveyor for ash discharge of this utility model.

[0018] Figure 2 This is a side view of the shaftless screw conveyor for ash discharge according to this utility model.

[0019] The following are the annotations of the attached drawings for this shaftless screw conveyor for ash discharge. By referring to the attached drawings and corresponding annotations, you can clearly understand this product.

[0020] 1. Upper shell; 2. Lower shell; 3. Shell cleaning door; 4. Shaftless screw; 5. Coupling; 6. Gear motor; 7. Discharge port; 8. Material layer; 9. Protective shell. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] Reference Figure 1-2 A shaftless screw conveyor for ash removal includes an upper shell 1 and a lower shell 2, which together form a housing cavity. A shaftless screw 4 is disposed within the inner cavity of the housing cavity. The conveyor also includes a coupling 5 and a geared motor 6. The shaftless screw 4 is connected to the output end of the geared motor 6 via the coupling 5. The shaftless screw 4 fits tightly against the inner surface of the housing cavity without any gaps. In operation, the geared motor 6 rotates, driving the shaftless screw 4 to rotate via the coupling 5. The rotating shaftless screw 4 conveys the ash from the inner cavity of the housing cavity. Because the shaftless screw 4 fits tightly against the inner surface of the housing cavity without any gaps, the rotation of the shaftless screw 4 to convey ash with a certain degree of stickiness effectively prevents the ash from adhering to the housing cavity, thus providing a certain degree of self-cleaning function.

[0023] Several shell cleaning doors 3 are provided on the upper side of the upper shell 1. After the ash discharge shaftless screw conveyor has been used for a long time, the shell cleaning doors 3 are used to clean the ash material in the shell cavity. In this embodiment, there are 4 shell cleaning doors 3.

[0024] A discharge port 7 is provided at the lower end of the lower housing 2 that is away from the geared motor 6.

[0025] The casing cavity is filled with a mortar layer 8. Because the mortar has a high temperature, a heat-resistant mortar layer is poured into the inner cavity of the casing cavity to prevent thermal deformation caused by the high temperature. This effectively protects the casing cavity and prevents thermal deformation. The thickness of the mortar layer 8 is 120mm.

[0026] The upper housing 1 and the lower housing 2 are connected by bolts and flanges, which makes it easier and faster to remove the housing and facilitates the inspection of the spiral and replacement of the lining material layer inside the housing cavity.

[0027] This utility model uses a high-strength shaftless spiral body 4, which is cast to effectively prevent thermal deformation. In addition, one end of the shaftless spiral body 4 is suspended and there is no fixed restriction of the bearing seat, which allows the shaftless spiral body to expand and contract freely at high temperatures, preventing deformation caused by thermal expansion and contraction.

[0028] The shaftless screw 4 has a screw diameter of Φ600mm; a rotation speed of 10-20rpm; a conveying capacity of 10-30T / H; and a power of 7.5Kw-15Kw.

[0029] A protective housing 9 is provided on the outside of the coupling 5 to protect and stabilize the coupling 5.

[0030] The main body of the housing cavity is a V-shaped structure, and the lower part of the V-shaped structure is an arc-shaped structure. The arc-shaped V-shaped structure is conducive to the storage of ash at the bottom of the housing cavity. The arc-shaped structure corresponds to the shaftless spiral 4, which can carry the ash out of the housing cavity through the shaftless spiral 4.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0032] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A shaftless screw conveyor for ash discharge, characterized in that: It includes an upper shell and a lower shell, which together form a housing cavity. A shaftless helical body is installed inside the housing cavity. The shaftless helical body is tightly fitted with the inner surface of the housing cavity without any gaps. A layer of slurry is poured inside the housing cavity.

2. The shaftless screw conveyor for ash discharge according to claim 1, characterized in that: The shaftless helical body is connected to the output end of the geared motor via a coupling.

3. The shaftless screw conveyor for ash discharge according to claim 1, characterized in that: The upper and lower housings are connected by bolted flanges.

4. The shaftless screw conveyor for ash discharge according to claim 1, characterized in that: Several dust removal doors are provided on the upper side of the upper housing.

5. The shaftless screw conveyor for ash discharge according to claim 1, characterized in that: A discharge port is provided at the lower end of the lower housing away from the geared motor.

6. The shaftless screw conveyor for ash discharge according to claim 1, characterized in that: The shaftless helix is ​​formed by casting.

7. The shaftless screw conveyor for ash discharge according to claim 2, characterized in that: The coupling is provided with a protective housing on its outer side.

8. The shaftless screw conveyor for ash discharge according to claim 1, characterized in that: The main body of the housing cavity has a V-shaped structure.

9. The shaftless screw conveyor for ash discharge according to claim 8, characterized in that: The lower part of the V-shaped structure is an arc-shaped structure.

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