Ore pulp conveying device and ore pulp conveying system

Abstract

The utility model discloses an ore pulp conveying device and an ore pulp conveying system and solves the technical problem that in the prior art, pipelines need to be arranged according to the elevation of an inlet and an outlet of an ore pulp pump, a high platform and a low platform are arranged, and vibration is large. Comprising a mounting platform, a positive displacement ore pulp pump and a conveying pipe, the positive displacement ore pulp pump is connected to the mounting platform, and an outlet pipe opening of the pump is higher than an inlet pipe opening; the conveying pipe comprises a first pipe section, a second pipe section and a third pipe section; the first pipe section is connected with the outlet pipe orifice; the first pipe section is communicated with the third pipe section through the second pipe section; the axis elevation of the first pipe section is higher than that of the third pipe section, and the second pipe section, the first pipe section and the third pipe section are arranged at angles; the axis elevation of the third pipe section is higher than that of the inlet pipe orifice; the third pipe section is connected to the mounting platform; the height of the outlet of the pump is converted into the height of the third pipe section from the height of the outlet pipe opening, only a low platform needs to be arranged, maintenance is facilitated, vibration is relieved, and production accidents are reduced.

Description

Technical Field

[0001] The present application belongs to the technical field of slurry transportation, and specifically relates to a slurry transportation device and a slurry transportation system. Background Art

[0002] With the development of long-distance pipeline transportation technology for slurry, the transportation distance of slurry pipeline transportation is getting longer and longer, and the transportation pressure is getting higher and higher. Generally, when the transportation pressure is ≥3MPa, the main pump for slurry pipeline transportation will adopt a positive displacement slurry pump (such as a slurry diaphragm pump). Positive displacement slurry pumps change the volume of the pump chamber through reciprocating motion to achieve medium transmission. Therefore, the flow rate will show a certain pulsation due to the operation of the mechanical structure. The larger the flow rate, the more obvious the pulsation, resulting in greater vibration of the outlet pipeline of the slurry transportation device station.

[0003] Due to the structural limitations of the positive displacement slurry pump, the pump inlet elevation is low and the pump outlet elevation is high. The existing technology requires the arrangement of pipelines according to the inlet and outlet elevations of the positive displacement slurry pump, and the setting of two high and low platforms, that is, the setting of a low platform at the inlet pipeline and a high platform at the outlet pipeline, and the high platform is connected to the side wall of the plant. This arrangement is not conducive to pipeline maintenance. At the same time, because the outlet pipeline is high, the pipeline vibration will cause the high platform to vibrate together with the plant. Excessive vibration is not conducive to the stable and reliable operation of the conveying system, and is prone to production accidents. Summary of the invention

[0004] In order to solve the problem that during the use of the current volumetric slurry pump, it is necessary to arrange the pipeline according to the inlet and outlet elevations of the slurry pump and set up two high and low platforms, which causes large vibration, is not conducive to the stable and reliable operation of the conveying system, and is prone to production accidents, the present application provides a slurry conveying device and a slurry conveying system.

[0005] In a first aspect of the present application, a slurry conveying device is provided, comprising a mounting platform, a positive displacement slurry pump and a conveying pipe.

[0006] The positive displacement slurry pump is connected to the mounting platform and is provided with an outlet pipe opening and an inlet pipe opening, wherein the outlet pipe opening has a higher elevation than the inlet pipe opening;

[0007] The delivery pipe includes a first pipe section, a second pipe section and a third pipe section; the first pipe section is connected to the outlet pipe opening; the first pipe section is connected to the third pipe section through the second pipe section; the axial center elevation of the first pipe section is higher than the axial center elevation of the third pipe section, and the second pipe section is arranged at an angle to the first pipe section and the third pipe section; the axial center elevation of the third pipe section is higher than the axial center elevation of the inlet pipe opening; the third pipe section is connected to the installation platform,

[0008] In some embodiments, a connecting pipe segment is provided between the first pipe segment and the second pipe segment, and between the second pipe segment and the third pipe segment, and the connecting pipe segment is bent.

[0009] In some embodiments, the method further includes a valve assembly connected to the third pipe segment.

[0010] In some embodiments, the delivery tube is provided with a limiting bracket along the axial direction of the delivery tube, and the limiting bracket is provided with a limiting member connected to the delivery tube to limit the axial direction of the delivery tube.

[0011] In some embodiments, the limiting brackets are provided in plurality and are respectively connected to the first pipe segment, the second pipe segment and the third pipe segment, and the plurality of limiting brackets are arranged at intervals along the axial direction of the first pipe segment, the second pipe segment and the third pipe segment.

[0012] In some embodiments, the limiting bracket includes connected piers and a limiting member connected to the conveying pipe, and the limiting bracket is connected to the installation platform.

[0013] In some embodiments, the one pier is provided with a plurality of stoppers spaced apart along the axial direction of the conveying pipe.

[0014] In some embodiments, the limiting member is provided with a through groove which is equal to the outer diameter of the delivery pipe, and the delivery pipe is clamped on the limiting member; or, the limiting member is provided with a through hole which is equal to the outer diameter of the delivery pipe, and the delivery pipe is sleeved on the limiting member.

[0015] In some embodiments, a vibration-damping pad is provided on the side of the limiting member that is attached to the delivery pipe.

[0016] In a second aspect of the present application, a mine slurry conveying system is provided, comprising a thickener, a centrifugal pump, the slurry conveying device and an instrument control system;

[0017] The thickener is connected to the slurry stirring tank via a thickener underflow pump, the slurry stirring tank is connected to the slurry conveying device via a centrifugal pump, and the slurry conveying device is electrically connected to the instrument control system.

[0018] According to the embodiment of the present application, the slurry conveying device includes an installation platform, a volumetric slurry pump and a conveying pipe. The volumetric slurry pump is connected to the installation platform and is provided with an outlet pipe opening and an inlet pipe opening. The outlet pipe opening has a higher elevation than the inlet pipe opening. The conveying pipe includes a first pipe section, a second pipe section and a third pipe section. The first pipe section is connected to the outlet pipe opening. The first pipe section and the third pipe section are connected through the second pipe section. The axial center elevation of the first pipe section is higher than the axial center elevation of the third pipe section. The second pipe section is arranged at an angle to the first pipe section and the third pipe section. The axial center elevation of the third pipe section is higher than the axial center elevation of the inlet pipe opening. The third pipe section is connected to the installation platform.

[0019] The present application connects a delivery pipe at the outlet pipe mouth, a first pipe section of the delivery pipe is connected to the outlet pipe mouth, the first pipe section is connected to the third pipe section through the second pipe section, the axial center elevation of the first pipe section is higher than the axial center elevation of the third pipe section, so that the outlet height is converted from the height of the outlet pipe mouth to the height of the third pipe section. Compared with the prior art, only a low platform needs to be set up to facilitate maintenance, reduce vibration, achieve stable operation of the device, and reduce the occurrence of production accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A top view of the structure of a slurry conveying device in an embodiment of the present application is shown.

[0021] Figure 2 A structural front view of a slurry conveying device in an embodiment of the present application is shown.

[0022] Figure 3 A structural side view of a slurry conveying device in an embodiment of the present application is shown.

[0023] Description of reference numerals:

[0024] 100, first pipe section; 200, second pipe section; 300, third pipe section; 400, connecting pipe section; 500, limiting bracket;

[0025] 510, buttress; 520, limiter;

[0026] 600, valve assembly;

[0027] 610, safety valve; 620, drain valve;

[0028] 700. Inlet pipe. DETAILED DESCRIPTION

[0029] In order to make the technical personnel in the technical field to which the present application belongs to understand the present application more clearly, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0030] A first embodiment of the present application provides a slurry conveying device that is easy to maintain and reduces vibration.

[0031] See also Figure 1 , Figure 2 as well as Figure 3 The slurry conveying device provided in the embodiment of the present application includes an installation platform, a volumetric slurry pump and a conveying pipe; the volumetric slurry pump is connected to the installation platform and is provided with an outlet pipe opening and an inlet pipe opening, and the outlet pipe opening has a higher elevation than the inlet pipe opening; the conveying pipe includes a first pipe section 100, a second pipe section 200 and a third pipe section 300; the first pipe section 100 is connected to the outlet pipe opening; the first pipe section 100 and the third pipe section 300 are connected through the second pipe section 200; the axial center elevation of the first pipe section 100 is higher than the axial center elevation of the third pipe section 300, and the second pipe section 200 is arranged at an angle to the first pipe section 100 and the third pipe section 300; the axial center elevation of the third pipe section 300 is higher than the axial center elevation of the inlet pipe opening; the third pipe section 300 is connected to the installation platform. In some embodiments, the mounting platform is disposed on the ground; in some embodiments, the height of the outlet pipe mouth is higher than the height of the inlet pipe mouth; in some embodiments, the first pipe segment 100 is a horizontal pipe, one end of which is connected to the outlet pipe mouth, and the other end is connected to one end of the second pipe segment 200; the second pipe segment 200 is a vertical pipe, and the other end is connected to the third pipe segment 300; the third pipe segment 300 is a horizontal pipe, and its height is lower than the first pipe segment 100; in some embodiments, the extension direction of the first pipe segment 100 and the third pipe segment 300 is parallel to the ground; in some embodiments, the extension direction of the second pipe segment 200 is perpendicular to the ground.

[0032] In some embodiments, a connecting pipe segment 400 is provided between the first pipe segment 100 and the second pipe segment 200 and between the second pipe segment 200 and the third pipe segment 300. The connecting pipe segment 400 is bent to reduce the vibration of the entire pipeline. In some embodiments, the connecting pipe segment 400 is set at 90°.

[0033] In some embodiments, a valve assembly 600 connected to the third pipe section 300 is further included; in some embodiments, the third pipe section 300 is connected to a safety valve 610 and a drain valve 620 in sequence away from the outlet pipe.

[0034] In some embodiments, a limiting bracket 500 is provided along the axial direction of the delivery pipe, and the limiting bracket 500 is provided with a limiting member 520 connected to the delivery pipe to limit the axial direction of the delivery pipe and reduce the vibration of the pipeline.

[0035] In some embodiments, a plurality of limit brackets 500 are provided, which are respectively connected to the first pipe segment 100, the second pipe segment 200 and the third pipe segment 300. The plurality of limit brackets 500 are arranged at axial intervals along the first pipe segment 100, the second pipe segment 200 and the third pipe segment 300 to further reduce the vibration of the pipeline; in some embodiments, a plurality of limit brackets 500 are respectively provided on the first pipe segment 100, the second pipe segment 200 and the third pipe segment 300.

[0036] In some embodiments, the limiting bracket 500 includes connected piers 510 and a limiting member 520 connected to the conveying pipe. The limiting bracket 500 is connected to the installation platform, and the installation platform supports the limiting bracket 500. In some embodiments, the limiting bracket 500 includes a pier 510 and a limiting member 520 connected to the top of the pier 510. In some embodiments, the pier 510 is "T" shaped.

[0037] In some embodiments, a pier 510 is provided with a plurality of stoppers 520 spaced apart along the axial direction of the conveying pipe to further reduce the vibration of the pipe. In some embodiments, a plurality of stoppers 520 are connected to the top of each pier 510 .

[0038] In some embodiments, the limit member 520 is provided with a through groove which is equal to the outer diameter of the delivery pipe, and the delivery pipe is clamped on the limit member 520; in some embodiments, the limit member 520 is provided with a through hole which is equal to the outer diameter of the delivery pipe, and the delivery pipe is sleeved on the limit member 520, so that the limit member 520 is connected to the delivery pipe to reduce the vibration of the pipeline.

[0039] In some embodiments, a vibration-damping pad is provided on the side of the conveying pipe where the limit member 520 is fitted to strengthen the fit between the limit member 520 and the conveying pipe to further reduce the vibration of the pipe. In some embodiments, the limit member 520 includes a vibration-damping pad, which is wrapped around the conveying pipe to reduce vibration of the conveying pipe while making the limit member 520 fit the conveying pipe.

[0040] A second embodiment of the present application provides a slurry conveying system that is easy to maintain and reduces vibration.

[0041] A slurry conveying system provided in an embodiment of the present application includes a concentrator, a centrifugal pump, a slurry conveying device and an instrument control system;

[0042] The thickener is connected to the slurry stirring tank through the thickener underflow pump, the slurry stirring tank is connected to the slurry conveying device through the centrifugal pump, and the slurry conveying device is electrically connected to the instrument control system.

[0043] The following is a detailed description of the use process of the slurry conveying device of the present application:

[0044] The slurry is discharged from the centrifugal pump, enters the volumetric slurry pump from the inlet pipe, and is then discharged from the outlet pipe. After the slurry enters the first pipe section from the outlet pipe, it enters the second pipe section through the connecting pipe section between the first pipe section and the second pipe section, and then enters the third pipe section through the connecting pipe section between the second pipe section and the third pipe section, and then flows to the next working position through the safety valve and the drain valve.

[0045] The slurry conveying device of the present application has at least the following advantages:

[0046] (1) The present application connects the delivery pipe to the outlet pipe mouth, the first pipe section of the delivery pipe is connected to the outlet pipe mouth, the first pipe section is connected to the third pipe section through the second pipe section, the axial center elevation of the first pipe section is higher than the axial center elevation of the third pipe section, so that the outlet height is converted from the height of the outlet pipe mouth to the height of the third pipe section. Compared with the prior art, only a low platform needs to be set up to facilitate maintenance, reduce vibration, achieve stable operation of the device, and reduce the occurrence of production accidents.

[0047] (2) The present application further reduces the vibration of the entire pipeline by bending and setting connecting pipe sections between the first pipe section and the second pipe section and between the second pipe section and the third pipe section, thereby achieving stable operation of the device and reducing the occurrence of production accidents.

[0048] (3) The present application provides a plurality of limit brackets, which are respectively connected to the first pipe segment, the second pipe segment and the third pipe segment. The plurality of limit brackets are arranged at axial intervals along the first pipe segment, the second pipe segment and the third pipe segment to further reduce the vibration of the pipeline, achieve stable operation of the device, and reduce the occurrence of production accidents.

[0049] (4) In the limit bracket of the present application, a vibration-damping pad is provided on the side of the limit member that is attached to the conveying pipe to strengthen the fit between the limit member and the conveying pipe, so as to further reduce the vibration of the pipeline, realize the stable operation of the device, and reduce the occurrence of production accidents.

[0050] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0051] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise" and "counterclockwise" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0052] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0053] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0054] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A slurry conveying device for conveying slurry, characterized in that: include: Installation platform; A positive displacement slurry pump is connected to the mounting platform and is provided with an outlet pipe opening and an inlet pipe opening, wherein the outlet pipe opening has a higher elevation than the inlet pipe opening; The delivery pipe comprises a first pipe section, a second pipe section and a third pipe section; the first pipe section is connected to the outlet pipe opening; the first pipe section is connected to the third pipe section through the second pipe section; the axial center elevation of the first pipe section is higher than the axial center elevation of the third pipe section, and the second pipe section is arranged at an angle to the first pipe section and the third pipe section; the axial center elevation of the third pipe section is higher than the axial center elevation of the inlet pipe opening; the third pipe section is connected to the installation platform.

2. The slurry conveying device according to claim 1, characterized in that: A connecting pipe section is provided between the first pipe section and the second pipe section, and between the second pipe section and the third pipe section, and the connecting pipe section is bent.

3. The slurry conveying device according to claim 1, characterized in that: Also included is a valve assembly connected to the third pipe section.

4. The slurry conveying device according to any one of claims 1 to 3, characterized in that: The conveying pipe is provided with a limiting bracket along the axial direction of the conveying pipe, and the limiting bracket is provided with a limiting piece connected to the conveying pipe to limit the axial direction of the conveying pipe.

5. The slurry conveying device according to claim 4, characterized in that: The limiting brackets are provided in plurality and are respectively connected to the first pipe segment, the second pipe segment and the third pipe segment. The limiting brackets are arranged at intervals along the axial direction of the first pipe segment, the second pipe segment and the third pipe segment.

6. The slurry conveying device according to claim 4, characterized in that: The limiting bracket includes connected piers and a limiting member connected to the conveying pipe, and the limiting bracket is connected to the installation platform.

7. The slurry conveying device according to claim 6, characterized in that: The one pier is provided with a plurality of stoppers which are arranged at intervals along the axial direction of the conveying pipe.

8. The slurry conveying device according to claim 6, characterized in that: The stopper is provided with a through groove having the same size as the outer diameter of the delivery pipe, and the delivery pipe is clamped on the stopper; Alternatively, the limiting member is provided with a through hole having the same size as the outer diameter of the delivery pipe, and the delivery pipe is sleeved on the limiting member.

9. The slurry conveying device according to claim 5, characterized in that: The limiting member is attached to the side of the conveying pipe and is provided with a vibration-damping pad.

10. A slurry conveying system, characterized in that: include: Thickener; Centrifugal pumps; The slurry conveying device according to any one of claims 1 to 9; Instrument control systems; The thickener is connected to the slurry stirring tank via a thickener underflow pump, the slurry stirring tank is connected to the slurry conveying device via a centrifugal pump, and the slurry conveying device is electrically connected to the instrument control system.

Images