Deslagging protection bushing of spin dryer

Abstract

The utility model discloses a spin dryer deslagging protection bushing which comprises a fixing part and a bushing body, the fixing part is connected with the bushing body, the bushing body comprises an outer lining and an inner lining, the outer lining and the inner lining are both in a circular ring shape, the outer lining is made of metal materials, the inner lining is made of ceramic materials, and the inner lining is made of ceramic materials. The inner lining is attached to the inner surface of the outer lining. When in use, the deslagging protective lining of the spin dryer is mounted between a liquid outlet circular ring and a lower barrel of the spin dryer, when the spin dryer works, drilling cuttings can hit the protective lining when being discharged, the inner lining of the protective lining is made of ceramic materials, so that the drilling cuttings cannot be accumulated in a large quantity, and when the spin dryer does not work, the protective lining is taken out and cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of dryer parts, in particular to a slag discharge protection bushing for a dryer. Background Art

[0002] In oil drilling, the spin dryer is a dehydration treatment device used for drilling cuttings with a particle size of less than 3mm in the drilling fluid waste slurry system. It can effectively reduce the liquid content of drilling cuttings in water-based, oil-based or composite-based drilling fluids to make them meet environmental emission requirements, while recovering valuable drilling fluids.

[0003] like Figure 1 As shown, in the process of discharging drill cuttings from the existing spin dryer, the drill cuttings will hit the lower cylinder wall at high speed due to the centrifugal force (such as Figure 1 The drill bit will move in the direction indicated by the arrow in the middle), and cause the accumulation of drill cuttings, which will make it difficult for the spin dryer to remove chips / slag in the long term, and difficult to clean, thereby accelerating the wear of the scraper. Utility Model Content

[0004] Therefore, one purpose of the utility model is to provide a slag discharge protection sleeve for a spin dryer to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A slag protection bushing for a spin dryer comprises a fixing portion and a bushing body, wherein the fixing portion is connected to the bushing body, the bushing body comprises an outer lining and an inner lining, both the outer lining and the inner lining are in annular shape, the outer lining is made of metal, the inner lining is made of ceramic, and the inner lining is attached to the inner surface of the outer lining.

[0007] Furthermore, the lining is integrally formed.

[0008] Furthermore, the lining includes a plurality of ceramic sheets, which are connected end to end to form a circular ring-shaped lining.

[0009] Furthermore, the fixing part is made of metal, the fixing part is connected to the outer lining, and a plurality of screw holes are provided on the fixing part.

[0010] Furthermore, the inner lining is bonded to the inner surface of the outer lining by special ceramic adhesive.

[0011] Furthermore, the fixing portion and the outer lining are connected by welding.

[0012] Furthermore, the fixing portion and the outer lining are integrally formed.

[0013] Furthermore, the ceramic sheet has a certain curvature.

[0014] Furthermore, an oxide film is provided on the surfaces of the fixing portion and the outer lining.

[0015] Therefore, the utility model has the following beneficial effects:

[0016] The utility model discloses a slag discharge protection bushing for a spin dryer, which is installed between a liquid outlet ring and a lower cylinder of the spin dryer when in use. When the spin dryer is working, drill cuttings will hit the protection bushing when being discharged. Since the inner lining of the protection bushing is made of ceramic material, the drill cuttings will not accumulate in large quantities. When the spin dryer is not working, the protection bushing can be taken out and cleaned.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 It is a schematic diagram of slag discharge of a spin dryer in the prior art;

[0020] Figure 2 This is a structural schematic diagram of a protective bushing according to an embodiment of the utility model;

[0021] Figure 3 This is another structural schematic diagram of the protective bushing of the utility model embodiment;

[0022] Figure 4 This is another structural schematic diagram of the protective bushing of the embodiment of the utility model;

[0023] Figure 5 yes Figure 2 Schematic diagram of the corresponding lining structure;

[0024] Figure 6 yes Figure 3 Schematic diagram of the corresponding lining structure;

[0025] Figure 7 yes Figure 4 Schematic diagram of the corresponding lining structure;

[0026] Figure 8 It is a schematic diagram of the structure of the outer lining and the fixing part of the embodiment of the utility model;

[0027] Fig. 9 yes Figure 5 Exploded view of the corresponding lining;

[0028] Fig.10 yes Figure 5A schematic diagram of the structure of the corresponding lining ceramic sheet;

[0029] Fig.11 yes Figure 6 A schematic diagram of the structure of the corresponding lining ceramic sheet;

[0030] Fig.12 It is a schematic diagram of a spin dryer using the protective bushing of the utility model.

[0031] In the figure: 1. fixing part; 2. outer lining; 3. inner lining; 4. ceramic sheet; 5. screw hole; 6. liquid outlet ring; 7. connecting bolt; 8. lower cylinder; 9. protective bushing; 10. accumulation place. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] like Figure 1 As shown, in the process of discharging drill cuttings from the existing spin dryer, the drill cuttings will hit the wall of the lower cylinder 8 at high speed due to the centrifugal force. Figure 1 The direction indicated by the middle arrow is the direction and process of drill cuttings removal, which is likely to cause drill cuttings to accumulate at the accumulation location 10, which will make it difficult for the spin dryer to remove chips / slag in the long run.

[0035] like Figure 2-Figure 4 As shown, the utility model provides a spin dryer slag protection bushing, including a fixing part 1 and a bushing body, the fixing part 1 is connected to the bushing body, the bushing body includes an outer lining 2 and an inner lining 3, the outer lining 2 and the inner lining 3 are both circular, the outer lining 2 is made of metal, the inner lining 3 is made of ceramic, and the inner lining 3 is attached to the inner surface of the outer lining 2.

[0036] The utility model provides a slag discharge protection bushing for a spin dryer, which is installed between a liquid outlet ring 6 and a lower cylinder 8 of the spin dryer when in use. When the spin dryer is working, drill cuttings will hit the protection bushing 9 when discharged. Since the inner lining 3 of the protection bushing 9 is made of ceramic material, the drill cuttings will not accumulate in large quantities. When the spin dryer is not working, the protection bushing 9 can be taken out and cleaned.

[0037] Furthermore, the lining 3 is integrally formed.

[0038] like Figure 4 and Figure 7 As shown, the lining 3 is a whole and is formed in one piece through a ceramic molding process, that is, the lining 3 is a complete annular ceramic sheet 4 connected end to end.

[0039] like Figure 2 , Figure 3 , Figure 5 , Figure 6 As shown, the lining 3 includes a plurality of ceramic sheets 4 , and the plurality of ceramic sheets 4 are connected end to end to form a circular ring-shaped lining 3 .

[0040] As an implementation method, Figure 2 and Figure 5 As shown, the lining 3 is composed of a number of long strip ceramic sheets 4 with a certain curvature connected end to end and at both sides.

[0041] As an implementation mode, there are 90 long strip-shaped ceramic sheets 4 constituting the lining 3 .

[0042] As an implementation mode, there are 180 long ceramic sheets 4 constituting the lining 3 .

[0043] As an implementation mode, there are 360 ​​long ceramic sheets 4 constituting the lining 3 .

[0044] That is to say, the utility model does not impose any specific restriction on the number of the long strip ceramic sheets 4 constituting the lining 3 , and the number of the long strip ceramic sheets 4 can be selectively set according to the size of the protective bushing 9 and the size of the long strip ceramic sheets 4 .

[0045] As an implementation method, Figure 3 and Figure 6 As shown, the lining 3 is composed of a plurality of long plate-shaped ceramic sheets 4 with a certain curvature connected in the first place, such as Fig. 9 Shown is an exploded view of a lining 3 composed of long plate-shaped ceramic sheets 4 connected in the first place.

[0046] As an embodiment, there are 18 long plate-shaped ceramic sheets 4 constituting the lining 3 .

[0047] As an embodiment, there are 36 long plate-shaped ceramic sheets 4 constituting the lining 3 .

[0048] As an embodiment, there are 72 long plate-shaped ceramic sheets 4 constituting the lining 3 .

[0049] That is to say, the utility model does not impose any specific restriction on the number of the long plate-shaped ceramic sheets 4 constituting the lining 3 , and the number of the long plate-shaped ceramic sheets 4 can be selectively set according to the size of the protective bushing 9 and the size of the long plate-shaped ceramic sheets 4 .

[0050] As an implementation mode, the outer surface area of ​​the inner lining 3 is equal to the inner surface area of ​​the outer lining 2 , that is, the inner lining 3 completely covers the inner surface of the outer lining 2 .

[0051] As an implementation mode, the outer surface area of ​​the inner lining 3 is smaller than the inner surface area of ​​the outer lining 2 , that is, the inner lining 3 does not completely cover the inner surface of the outer lining 2 , but only covers a portion of the inner surface of the outer lining 2 .

[0052] Furthermore, the fixing part 1 is made of metal, is connected to the outer lining 2 , and is provided with a plurality of screw holes 5 .

[0053] like Figure 8 As shown, a plurality of screw holes 5 are evenly distributed on the fixing portion 1 .

[0054] As an implementation manner, there are eight screw holes 5 .

[0055] As an implementation manner, there are 16 screw holes 5 .

[0056] As an implementation manner, there are 32 screw holes 5 .

[0057] That is to say, the present invention does not impose any specific restriction on the number of screw holes 5 , and any number of screw holes 5 that can be used to install and fix the protective bushing 9 through the screw holes 5 of the fixing portion 1 is within the protection scope of the present invention.

[0058] Furthermore, the inner lining 3 is bonded to the inner surface of the outer lining 2 by means of a special ceramic adhesive.

[0059] Special ceramic glue includes but is not limited to epoxy glue, epoxy resin glue, tile adhesive, silicone water, silicone sealant, super glue, etc.

[0060] As an implementation mode, the fixing part 1 and the outer lining 2 are split structures, and the fixing part 1 and the outer lining 2 are connected by welding.

[0061] As an implementation mode, the fixing part 1 and the outer lining 2 are split structures, and the fixing part 1 and the outer lining 2 can be connected by snapping.

[0062] As an implementation mode, the fixing portion 1 and the outer lining 2 are integrally formed.

[0063] Specifically, the fixing part 1 is in the shape of a flat ring, the outer liner 2 and the inner liner 3 are cylindrical with a small height, the outer diameter of the fixing part 1 is larger than the outer diameter of the outer liner 2 , and the inner diameter of the fixing part 1 is equal to the inner diameter of the outer liner 2 .

[0064] Furthermore, the ceramic sheet 4 has a certain curvature.

[0065] like Fig.10 and Fig.11 As shown, the ceramic sheet 4 has a certain curvature, and the curvature is related to the diameter of the circle formed by the lining 3 as a whole, the length of the ceramic sheet 4, and other factors. As long as the curvature of the ceramic sheet 4 is such that a plurality of ceramic sheets 4 are connected end to end to finally form a complete closed-loop lining 3, it is within the protection scope of the present utility model.

[0066] Furthermore, an oxide film is provided on the surface of the fixing part 1 and the outer lining 2. The oxide film can prevent the metal fixing part 1 and the metal outer lining 2 from being oxidized, thereby increasing the service life of the protective bushing 9.

[0067] Specifically, the material of the metal fixing part 1 and the metal outer lining 2 can be any one of iron, copper, steel, gold, manganese, tin alloy, magnesium alloy, aluminum alloy, copper alloy, zinc alloy, and carbon alloy.

[0068] like Fig.12 As shown, it is a schematic diagram of the application of the protective bushing 9 of the utility model to a spin dryer. The protective bushing 9 of the utility model is installed between the liquid outlet ring 6 and the lower cylinder 8 of the spin dryer. The protective bushing 9 is connected to the outer wall of the lower cylinder 8 and the liquid outlet ring 6 by connecting bolts 7. When the spin dryer is working, drill cuttings will hit the protective bushing 9 when discharged. Since ceramics are pasted on the inner wall of the protective bushing 9, drill cuttings will not accumulate in large quantities. Ceramic lining 3 is pasted on the protective bushing 9. When the equipment is maintained, the protective bushing 9 is taken out, the drill cuttings are cleaned and the broken ceramic lining 3 is replaced.

[0069] The utility model has a simple protective bushing structure and can prevent drill cuttings from being accumulated on the lower cylinder.

[0070] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0071] It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model content and the specific implementation method part of the above specification and the various parts shown in the drawings. Due to the limited space and to make the specification concise, the various schemes composed of these combinations are not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0072] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slag protection bushing for a spin dryer, characterized in that: It includes a fixing part and a bushing body, the fixing part is connected to the bushing body, the bushing body includes an outer lining and an inner lining, the outer lining and the inner lining are both in annular shape, the outer lining is made of metal, the inner lining is made of ceramic, and the inner lining is attached to the inner surface of the outer lining.

2. A slag protection bushing for a spin dryer according to claim 1, characterized in that: The liner is integrally formed.

3. The slag protection bushing for a spin dryer according to claim 1, characterized in that: The inner lining comprises a plurality of ceramic sheets, which are connected end to end to form an annular inner lining.

4. A slag protection bushing for a spin dryer according to any one of claims 1 to 3, characterized in that: The fixing part is made of metal, is connected to the outer lining, and is provided with a plurality of screw holes.

5. The slag protection bushing for a spin dryer according to claim 1, characterized in that: The inner liner is bonded to the inner surface of the outer liner by special ceramic glue.

6. A slag protection bushing for a spin dryer according to claim 4, characterized in that: The fixing portion is connected to the outer lining by welding.

7. A slag protection bushing for a spin dryer according to claim 4, characterized in that: The fixing portion and the outer lining are integrally formed.

8. The slag protection bushing for a spin dryer according to claim 3, characterized in that: The ceramic sheet has a certain curvature.

9. The slag protection bushing for a spin dryer according to claim 1, characterized in that: An oxide film is provided on the surfaces of the fixing portion and the outer liner.

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