CN216835857U - Vertical sand silo deposit lotion fluidization sand discharging device - Google Patents

Abstract

The utility model relates to a sand device is put in fluidization of vertical sand silo deposit lotion, including a plurality of annular medium pipeline and fluidization nozzle, a plurality of medium pipeline all are the level form setting, and the interval of upper and lower multilayer is installed on the outer conical surface of vertical sand silo, every medium pipeline all has fluid inlet and a plurality of interval distribution's medium export, the position of the outer conical surface of vertical sand silo's outer circular conical surface corresponds every medium pipeline top or below all is equipped with a plurality of fluidization nozzles along the circumference interval, the injection end of fluidization nozzle stretches into inside the vertical sand silo, a plurality of fluidization nozzles all through the intercommunication of the medium export one-to-one of connecting pipe with the medium pipeline that corresponds, the injection end of fluidization nozzle is equipped with the direct current orifice that is located its tip and a plurality of side stream orifices that are located the side. The advantages are that: the fluidization nozzle is convenient to detach and maintain from the outside of the sand silo, the maintenance and the replacement are facilitated, the design of the lateral flow spray holes is beneficial to forming a sliding layer between the inner wall of the sand silo and the compacted mortar, and the fluidization of the compacted tailings is realized.

Description

Vertical sand silo deposit lotion fluidization sand discharging device

Technical Field

The utility model relates to a mine is adopted and is selected tailing dehydration concentration technical field, in particular to vertical sand silo deposit lotion fluidization and put sand device.

Background

In the technical field of tailing selecting dehydration and concentration in the process links of mine filling, dry tailing discharging, dry piling and the like, the vertical sand silo becomes one of main stream equipment for tailing selecting dehydration and concentration in an efficient and simple structural form. When the process waste residue of the electuary plant, namely the low-concentration tailings, is concentrated into high-concentration paste slurry under the action of the flocculating agent, the high-concentration paste slurry is deposited on the cone part of the vertical sand silo to generate a compaction effect and is difficult to discharge from the bottom.

In the prior art, a plurality of layers of circular pipes are generally arranged outside a cone of a vertical sand silo, a plurality of overflowing pipes leading to the inside of the cone of the vertical sand silo are arranged on the circular pipes, and high-pressure air or high-pressure water is utilized to impact deposited compacted tailings and make the compacted tailings loose and fluidize the compacted tailings and discharge the compacted tailings from a sand discharge pipe at the bottom of the silo through the plurality of layers of circular pipes arranged outside the cone of the vertical sand silo and the plurality of overflowing pipes leading to the inside of the cone of the vertical sand silo.

The prior art has the disadvantages that the direct injection type fluidization mode can only fluidize local compaction points, and when the height of a mud layer in the vertical sand silo is higher, effective fluidization sand discharge is difficult to realize; another disadvantage is that the nozzles are installed inside the vertical sand silo and cannot be effectively maintained, repaired and replaced during operation. The above drawbacks result in poor stability and reliability of this type of fluidized sand-discharging device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a sand device is put in fluidization of vertical sand silo deposit lotion is provided, the effectual defect of overcoming prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a vertical sand silo deposited paste fluidization sand discharging device comprises a plurality of annular medium pipelines and fluidization nozzles, wherein the medium pipelines are horizontally arranged and are arranged on an outer conical surface of a vertical sand silo at intervals in an upper-lower multi-layer mode, each medium pipeline is provided with a medium inlet and a plurality of medium outlets distributed at intervals, the fluidization nozzles are circumferentially arranged at intervals on the outer side of the outer conical surface of the vertical sand silo corresponding to the positions above or below each medium pipeline, the injection ends of the fluidization nozzles extend into the vertical sand silo, the fluidization nozzles are connected and communicated with the medium outlets of the corresponding medium pipelines in a one-to-one mode through connecting pipes, and the injection ends of the fluidization nozzles are provided with direct-current spray holes located at the end portions of the fluidization nozzles and a plurality of lateral-current spray holes located at the side ends of the fluidization nozzles.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, a plurality of pipe fittings holders distributed along the circumferential direction of the vertical sand silo are fixed on the outer conical surface of the vertical sand silo corresponding to the positions of the medium pipelines, and the medium pipelines are detachably mounted on the pipe fittings holders.

Further, the fluidization nozzle includes a cylindrical valve body, an inner threaded sleeve, a nozzle, and a valve core, the valve body has a flow channel axially penetrating through the valve body, the flow channel is expanded at one end of the valve body to form a nozzle mounting groove, a flow guide ring is embedded at the bottom of the nozzle mounting groove, the nozzle part is hermetically fitted in the nozzle mounting groove and abuts against the flow guide ring, the end of the nozzle exposed out of the nozzle mounting groove is provided with the dc spray holes, the periphery of the exposed part is provided with a plurality of side flow spray holes, the flow channel is narrowed at the other end of the valve body to form a tapered valve port, the valve core is hemispherical, the spherical surface of the valve core faces the valve port, the valve core is connected with the flow guide ring through an elastic member, and the outer conical surface of the vertical sand silo is provided with assembling holes corresponding to the inner threaded sleeve one by one, the inner threaded sleeve is fixed in the assembly hole in a sealing mode, the valve body is screwed in the inner threaded sleeve from the outside of the vertical sand bin, the spray head of the valve body extends into the vertical sand bin, and the spray head forms the spray end of the fluidization nozzle.

Further, the elastic element is a spring, an annular protruding portion is arranged at one end, close to the valve core, of the flow guide ring, a columnar connecting portion is arranged at one end, away from the valve port, of the valve core, and two ends of the spring are respectively sleeved outside the protruding portion and the connecting portion.

Further, the nozzle mounting groove is a circular groove provided with internal threads, one end of the nozzle is provided with a cylindrical assembling portion, threads are arranged outside the assembling portion, the assembling portion extends into the nozzle mounting groove, and the assembling portion and the nozzle mounting groove are in threaded connection.

Furthermore, the fluidization nozzle also comprises a locking nut which is screwed outside one end of the valve body far away from the spray head and abuts against the inner threaded sleeve.

The utility model has the advantages that: structural design is reasonable, and the fluidization nozzle is convenient to be dismantled from the sand silo outside and is maintained, does benefit to overhaul the change, simultaneously, does benefit to through the design of side flow orifice and forms the sliding layer between sand silo inner wall and compacted mortar to form the effect of sliding of similar mud-rock flow landslide, and then realize the fluidization of compaction tailing.

Drawings

Fig. 1 is a schematic structural view of the fluidized sand discharging device for depositing paste in the vertical sand silo;

FIG. 2 is a schematic structural view of a medium pipeline in the fluidized sand discharging device for depositing paste in the vertical sand silo;

FIG. 3 is a schematic structural view of a fluidizing nozzle in a fluidized sand discharging device for depositing paste in a vertical sand silo;

fig. 4 is the schematic view of the end face structure of the injection end of the fluidization nozzle in the vertical sand silo deposition paste fluidization sand discharging device.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a media conduit; 2. a connecting pipe; 3. a fluidizing nozzle; 11. a media inlet; 12. a media outlet; 31. a valve body; 32. an inner threaded sleeve; 33. a spray head; 34. a valve core; 35. locking the nut; 311. a flow channel; 312. a flow guide ring; 331. d, spraying a direct current orifice; 332. a lateral flow orifice; 341. an elastic member; 342. a connecting portion; 3121. a protrusion.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example (b): as shown in fig. 1 to 4, the fluidized sand discharging device for paste deposition in a vertical sand silo of this embodiment includes a plurality of annular medium pipes 1 and fluidizing nozzles 3, wherein the plurality of medium pipes 1 are horizontally arranged and are installed on an outer conical surface (denoted by a in the drawing) of the vertical sand silo at intervals in an upper-lower multi-layer manner, each of the medium pipes 1 has a medium inlet 11 and a plurality of medium outlets 12 distributed at intervals, a plurality of the fluidizing nozzles 3 are circumferentially installed at intervals at positions corresponding to the upper or lower portions of each of the medium pipes 1 on the outer side of the outer conical surface of the vertical sand silo, an injection end of each of the fluidizing nozzles 3 extends into the vertical sand silo, and each of the plurality of the fluidizing nozzles 3 is connected and communicated with the corresponding medium outlet 12 of the medium pipe 1 through a connecting pipe 2 in a one-to-one correspondence manner, an injection end of each of the fluidizing nozzle 3 is provided with a straight-flow injection hole 331 located at an end thereof and a plurality of side-flow injection holes 332 located at a side end thereof, wherein, the medium inlet 11 is externally connected with a medium input pipeline.

The using process is as follows:

when the fluidization is performed for discharging sand, the high-pressure medium sent from the input pipeline enters the medium pipeline 1 through the medium inlet 11, and then is conveyed to each fluidization nozzle 3 through the plurality of medium outlets 12 and the connecting pipe 2, the high-pressure medium entering the fluidization nozzles 3 is ejected from the straight-flow spray holes 331 and the plurality of side-flow spray holes 332 at the ejection end of the fluidization nozzles 3, and the plurality of side-flow spray holes 332 are ejected laterally through the ejection end of the fluidization nozzles 3, so that the ejected jet flow acts on the vicinity of the inner wall of the cone of the vertical sand silo, the mortar compacted on the inner wall of the cone forms a slip effect (i.e. forms a slip layer) similar to a mud-rock flow landslide, and the fluidization of the compacted tailings is further realized, so that the tailings compacted in the silo can smoothly flow from the bottom, meanwhile, the fluidization mode of the direct injection type can only fluidize local compaction points, and is matched with the combined action of the straight-flow injection and the side-flow injection, can realize effectual fluidization sand discharging when the mud layer height in vertical sand silo is higher. In addition, since the fluidizing nozzles 3 are assembled outside the vertical sand silo, efficient maintenance repair and replacement operations can be performed during operation.

In this embodiment, the diameters of the plurality of annular medium pipes 1 are different according to the installation positions of the plurality of annular medium pipes 1 on the outer conical surface of the vertical sand silo.

It should be noted that: in this embodiment, the connecting pipe 2 may be a pipe having a certain pressure-bearing capacity, such as a rubber pipe or a steel pipe, and the two ends of the connecting pipe 2 may be connected to the fluidizing nozzle 3 and the medium outlet 12 of the medium pipe 1 by any connection method, such as a thread or a clamp, which can ensure no leakage.

In a preferred embodiment, a plurality of pipe holders are fixed to the outer conical surface of the vertical sand silo at locations corresponding to the respective medium pipes 1, and the medium pipes 1 are detachably attached to the plurality of pipe holders.

Among the above-mentioned embodiment, fix annular medium pipeline 1 through the pipe fitting fixer, the dismouting is better convenient.

Above-mentioned pipe fitting fixer is the metalwork, is fixed in on the outer circular conical surface of vertical sand silo through the welded mode, and this pipe fitting fixer is conventional pipe clamp internals, and structural style is various, as long as can fix the pipeline can, its model is according to the nimble selection of specific demand, does not do here and does not describe in detail.

In a preferred embodiment, the fluidization nozzle 3 includes a cylindrical valve body 31, an inner sleeve 32, a nozzle 33, and a valve body 34, the valve body 31 has a flow passage 311 axially penetrating the valve body, the flow passage 311 is formed by expanding a nozzle mounting groove at one end of the valve body 31, a guide ring 312 is fitted into the bottom of the nozzle mounting groove, the nozzle 33 is partially sealingly fitted into the nozzle mounting groove and abuts against the guide ring 312, the end of the nozzle 33 exposed to the nozzle mounting groove is provided with the direct-flow nozzle holes 331, a plurality of lateral-flow nozzle holes 332 are circumferentially spaced at the exposed portion, the flow passage 311 is narrowed at the other end of the valve body 31 to form a tapered valve port (indicated by b in the figure), the valve body 34 is hemispherical and has a spherical surface facing the valve port, and the valve body 34 is connected to the guide ring 312 by an elastic member 341, the outer conical surface of the vertical sand silo is provided with assembly holes which are in one-to-one correspondence with the inner threaded sleeves 32, the inner threaded sleeves 32 are sealed and fixed in the assembly holes, the valve body 31 is screwed in the inner threaded sleeves 32 from the outside of the vertical sand silo, a spray head 33 of the valve body extends into the vertical sand silo, and the spray head 33 forms the spray end of the fluidization nozzle 3.

In the above embodiment, when the fluidized nozzle 3 is installed, the inner sleeve 32 is welded and fixed in the installation space of the outer conical surface of the vertical sand silo, a sealing connection is formed between the inner sleeve and the outer conical surface, and then the spray head 33 is installed in the inner sleeve 32 in a screwing manner, so that the fluidized nozzle is simple and reasonable in overall structural design, and is inconvenient and quick to assemble and disassemble, specifically, after a fluid medium enters, high-pressure fluid impacts the valve core 34 to separate the spherical surface of the valve core from the conical valve port (i.e., the valve core 34 is pushed away by the high-pressure fluid toward the position of the flow guide ring 312 to open the flow passage 311), the fluid passes through the flow guide ring 312 and enters the hollow valve body 31, and is sprayed out from the direct-flow spray holes 331 and the lateral-flow spray holes 332, and after the fluid enters the hollow valve core 34 is stopped, the valve core 34 moves back under the resilience of the elastic member 341 and is attached to the conical surface of the valve port (the flow passage 311 is closed and stopped).

It should be noted that: a sealing ring is further embedded outside the valve body 31, and after the valve body 31 and the inner sleeve 32 are screwed in, the sealing ring is matched to realize good sealing between the valve body 31 and the inner sleeve.

In this embodiment, the elastic member 341 is a spring, one end of the deflector ring 312 close to the valve element 34 is provided with an annular protrusion 3121, one end of the valve element 34 away from the valve port is provided with a cylindrical connection portion 342, and two ends of the spring are respectively sleeved outside the protrusion 3121 and the connection portion 342, so that the whole design is favorable for assembling the spring, and the valve element 34 is ensured to have good resilience performance.

In a preferred embodiment, the nozzle mounting groove is a circular groove having an internal thread, and the head 33 has a cylindrical fitting portion at one end thereof, and the fitting portion is externally threaded and extends into the nozzle mounting groove to be screwed with each other.

In the above embodiment, the nozzle mounting groove is a circular groove coaxial with the valve body 31, the nozzle 33 is designed to be cylindrical, the external thread is configured to match with the internal thread of the circular groove, the tight threaded connection assembly of the nozzle and the internal thread of the circular groove is realized, and the whole structure enables the assembly of the nozzle 33 to be better, simple and rapid.

Preferably, the fluidizing nozzle 3 further comprises a locking nut 35, and the locking nut 35 is screwed to an outer portion of an end of the valve body 31 away from the nozzle 33 and abuts against the inner threaded sleeve 32.

In the above scheme, the locking nut 35 is designed to realize the positioning and locking functions after the inner threaded sleeve 32 and the valve body 31 are screwed in, so that the inner threaded sleeve 32 and the valve body 31 are prevented from moving and falling off relatively after long-term use.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (6)

1. The utility model provides a vertical sand silo deposit lotion fluidization sand discharging device which characterized in that: comprises a plurality of annular medium pipelines (1) and a fluidizing nozzle (3), wherein the plurality of medium pipelines (1) are all arranged horizontally, and are arranged on the outer conical surface of the vertical sand silo at intervals in an upper and a lower multilayer, each medium pipeline (1) is provided with a medium inlet (11) and a plurality of medium outlets (12) distributed at intervals, the outer side of the outer conical surface of the vertical sand silo is provided with a plurality of fluidization nozzles (3) at intervals along the circumferential direction corresponding to the positions above or below each medium pipeline (1), the spraying ends of the fluidization nozzles (3) extend into the vertical sand silo, and a plurality of the fluidization nozzles (3) are correspondingly connected and communicated with the medium outlets (12) of the corresponding medium pipelines (1) one by one through connecting pipes (2), the spraying end of the fluidization nozzle (3) is provided with a direct-flow spraying hole (331) at the end part of the fluidization nozzle and a plurality of side-flow spraying holes (332) at the side end.

2. The vertical sand silo deposited paste fluidization sand discharging device according to claim 1, characterized in that: the device is characterized in that a plurality of pipe fittings holders distributed along the circumferential direction of the device are fixed on the outer conical surface of the vertical sand silo corresponding to each medium pipeline (1), and the medium pipelines (1) are detachably mounted on the plurality of pipe fittings holders.

3. The vertical sand silo deposited paste fluidization sand discharging device according to claim 1, characterized in that: the fluidization nozzle (3) comprises a valve body (31), an inner threaded sleeve (32), a spray head (33) and a valve core (34), wherein the valve body (31) is cylindrical, a flow passage (311) axially penetrating through the valve body is formed in the valve body, the flow passage (311) is expanded at one end of the valve body (31) to form a nozzle mounting groove, a flow guide ring (312) is embedded at the bottom of the nozzle mounting groove, part of the spray head (33) is hermetically assembled in the nozzle mounting groove and is abutted against the flow guide ring (312), the end part of the spray head (33) exposed out of the nozzle mounting groove is provided with the direct-flow spray holes (331), the periphery of the exposed part is provided with a plurality of lateral-flow spray holes (332), the flow passage (311) is narrowed at the other end of the valve body (31) to form a conical valve port, the valve core (34) is hemispherical, and the spherical surface of the valve core faces the valve port, the valve core (34) is connected with the flow guide ring (312) through an elastic piece (341), assembling holes corresponding to the inner threaded sleeves (32) one by one are formed in the outer conical surface of the vertical sand silo, the inner threaded sleeves (32) are fixed in the assembling holes in a sealing mode, the valve body (31) is screwed into the inner threaded sleeves (32) through the external threads of the vertical sand silo, the spray head (33) of the valve body extends into the vertical sand silo, and the spray head (33) of the valve body forms the spray end of the fluidization nozzle (3).

4. The vertical sand silo deposited paste fluidization sand discharging device according to claim 3, characterized in that: the elastic piece (341) is a spring, an annular protruding portion (3121) is arranged at one end, close to the valve core (34), of the flow guide ring (312), a columnar connecting portion (342) is arranged at one end, away from the valve port, of the valve core (34), and two ends of the spring are respectively sleeved outside the protruding portion (3121) and the connecting portion (342).

5. The vertical sand silo deposition paste fluidization sand discharging device according to claim 3, characterized in that: the nozzle mounting groove is a circular groove with internal threads, one end of the spray head (33) is provided with a cylindrical assembling portion, threads are arranged outside the assembling portion, the assembling portion extends into the nozzle mounting groove, and the assembling portion and the nozzle mounting groove are in threaded connection.

6. The vertical sand silo deposited paste fluidization sand discharging device according to claim 3, characterized in that: the fluidization nozzle (3) further comprises a locking nut (35), and the locking nut (35) is screwed outside one end, far away from the spray head (33), of the valve body (31) and abuts against the inner threaded sleeve (32).

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