CN211752710U - Anti-pressure rake thickener - Google Patents
Anti-pressure rake thickener Download PDFInfo
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- CN211752710U CN211752710U CN201922492159.0U CN201922492159U CN211752710U CN 211752710 U CN211752710 U CN 211752710U CN 201922492159 U CN201922492159 U CN 201922492159U CN 211752710 U CN211752710 U CN 211752710U
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- thickener
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- rake
- valve
- pipeline
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Abstract
The utility model discloses a prevent pressing harrow thickener, include: the rake frame can circumferentially rotate around the central axis; the bottom flow cylinder is arranged in the middle of the lower end of the rake frame and is provided with a material storage cavity with an opening at the upper end; the slurry making pipeline is arranged in the material storage cavity and extends upwards from the bottom of the material storage cavity along the inner wall of the material storage cavity in a surrounding manner around the central axis to form one or more layers of annular pipelines; the slurry making pipeline is provided with a plurality of nozzles; the ore pulp concentration is reduced through the water flow formed by spraying water through the nozzles, so that the ore pulp is prevented from hardening or precipitating at the bottom of the underflow cylinder, and the effect of the pressure-resistant rake is further exerted. The whole structure of making thick liquid pipeline constitutes simply, and practical effective, when realizing the function of preventing pressing the harrow, can also improve the quality and the work efficiency of product, has fine economic nature and practicality.
Description
Technical Field
The utility model belongs to the technical field of the thickener, concretely relates to prevent pressing harrow thickener
Background
The thickener is a main production device for thickening ore pulp, and is widely applied to the industries of mineral separation, chemical engineering, coal washing, wastewater treatment and the like. The existing thickener mainly comprises a tank body, a rake frame, an underflow cylinder, a feed cylinder, a bridge frame, a hydraulic electric system, a transmission assembly, an underflow circulating conveying system and the like. In the use process of the existing thickener, because high-concentration ore pulp can be deposited at the bottom of the thickener, the concentration of the ore pulp in an underflow barrel arranged at the bottom of a rake frame is quite high, and the resistance of the rake frame in the rotation process is increased; further, the high-concentration ore pulp can also cause the slurry in the bottom material barrel to easily form hardening in the material storing process, so that the rotation of the rake rack is hindered, and even the rake pressing phenomenon is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a prevent pressing harrow thickener can adjust the ore pulp concentration in the underflow section of thick bamboo to avoid pressing the harrow emergence.
According to the utility model discloses prevent pressing harrow thickener, include:
the rake frame can circumferentially rotate around the central axis;
the bottom flow cylinder is arranged in the middle of the lower end of the rake frame and is provided with a material storage cavity with an opening at the upper end;
the slurry making pipeline is arranged in the material storage cavity and extends upwards from the bottom of the material storage cavity along the inner wall of the material storage cavity in a surrounding manner around the central axis to form one or more layers of annular pipelines; and the slurry making pipeline is provided with a plurality of nozzles.
According to the utility model discloses prevent pressing harrow thickener has following technological effect at least:
the utility model discloses to the thickener at the in-process of work, the too high problem of ore pulp concentration of setting in the underflow bucket of harrow frame bottom, the inner wall of laminating underflow section of thick bamboo is provided with one deck or a plurality of layers of annular thick liquid pipeline of making to set up a plurality of nozzles on making the thick liquid pipeline, the rivers that form through the nozzle water spray reduce ore pulp concentration, thereby avoid the ore pulp to harden or deposit in the bottom of underflow section of thick bamboo, and then the effect that the harrow was prevented pressing in the performance. The whole structure of making thick liquid pipeline constitutes simply, and practical effective, when realizing the function of preventing pressing the harrow, can also improve the quality and the work efficiency of product, has fine economic nature and practicality.
According to some embodiments of the invention, the water spray direction of the nozzles on each layer of the ring pipeline is all towards the rake frame for forming a spray stream.
According to some embodiments of the utility model, every the water spray direction of nozzle all is unanimous rather than place the tangential direction of ring line to be used for forming rotatory rivers.
According to some embodiments of the utility model, make thick liquid pipeline intercommunication high-pressure line, through high-pressure line inputs high-pressure rivers.
According to some embodiments of the invention, the slurry making pipe is fixed to the side wall of the underflow cylinder by bolts.
According to some embodiments of the invention, the nozzle is provided as a one-way valve, which can be opened under the effect of the high-pressure water flow.
According to the utility model discloses a some embodiments, the check valve is provided with valve body, case, connecting piece and joint, the one end that connects is connected ring line, the other end is connected the connecting piece, the valve body is provided with the valve pocket to a plurality of intercommunications have been seted up on the lateral wall the through-hole of valve pocket, the case is installed in the valve pocket, just the end butt of intaking of case the connecting piece, be provided with the rivers passageway in the connecting piece, the cross sectional dimension of rivers passageway is greater than the cross sectional dimension of the end of intaking of case is used for the increase the pressure of intaking of the end of case.
According to some embodiments of the invention, an internal thread is provided in the joint for threaded connection the ring line.
According to some embodiments of the utility model, the end threaded connection that intakes of case the connecting piece.
According to some embodiments of the invention, the connector is threaded to the joint.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of the internal structure of an underflow cylinder according to an embodiment of the present invention;
fig. 2 is a top view of an underflow cylinder according to an embodiment of the invention;
FIG. 3 is a schematic structural component view of a nozzle according to an embodiment of the present invention;
fig. 4 is a schematic view of the overall composition structure of the thickener according to the embodiment of the present invention;
reference numerals:
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
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", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 4, the utility model provides a pressure-resistant rake thickener, which comprises:
a tank 301 for containing slurry and providing a stirring matrix;
the rake 302 is arranged in the tank body 301, can rotate circumferentially around a central axis and is used for stirring ore pulp in the tank body 301;
a feed barrel 303 arranged above the rake 302 for inputting ore slurry;
an electrical system 304, which integrates the circuit control of the whole thickener;
a hydraulic portion 305, a hydraulic control portion of the entire thickener;
the transmission assembly 306 is a power assembly of the whole thickener and is used for outputting power to drive the rake frame 302 to rotate;
a bridge frame assembly 307, a frame structure of the whole thickener;
the stair assembly 308 is arranged on one side of the thickener, so that technicians can go up and down conveniently;
the underflow circulating system 309 is arranged at the lower part of the thickener and used for outputting ore pulp;
the underflow cylinder 101 is arranged in the middle of the lower end of the rake frame 302 and is provided with a storage cavity with an opening at the upper end;
the slurry making pipeline 102 is arranged in the storage cavity and extends upwards from the bottom of the storage cavity along the inner wall of the storage cavity around the central axis in a surrounding manner to form one or more layers of annular pipelines, as shown in fig. 2; the slurry making pipeline 102 is provided with a plurality of nozzles 103.
According to the structure, the pressure rake is prevented by the whole thickener by forming water flow by using the nozzle 103 on the pulp making pipeline 102, spraying the pulp into the underflow cylinder 101 from the side wall of the bottom of the underflow cylinder, and reducing the pulp concentration by mixing the water and the pulp.
It is obvious that the arrangement of the slurrying line 102 and the nozzles 103 thereon is different, and that the water flow formed is also different, and that, therefore, at least two arrangements are provided here.
First, according to some embodiments of the present invention, the water spraying direction of the nozzles 103 on each layer of the ring pipeline is all towards the rake 302 for forming the water spraying flow, which is directly sprayed to the ore slurry and mixed therewith.
The second, according to the utility model discloses a some embodiments, every nozzle 103's water spray direction all is unanimous with the tangential direction of the ring line at its place to be used for forming rotatory rivers, mix with the ore pulp after the inner wall rotation along the storage cavity, this kind of method mixes the effect better, but is higher to water pressure requirement.
Considering that the above arrangement all involves water pressure, according to some embodiments of the present invention, the slurry making pipeline 102 is connected to a high pressure pipeline, and high pressure water flow is input through the high pressure pipeline to satisfy the requirement of forming high pressure water flow.
In view of the fixation of the slurrification pipe 102, according to some embodiments of the present invention, the slurrification pipe 102 is bolted to the side wall of the underflow shaft 101.
In addition, the nozzle 103 for high-pressure water spraying has a corresponding need for its structure, i.e., can satisfy unidirectional opening and closing.
In particular, according to some embodiments of the present invention, the nozzle 103 is provided as a one-way valve that can be opened under the effect of the high-pressure water flow.
Specifically, according to the utility model discloses a further embodiment, as shown in fig. 3, the check valve is provided with valve body 204, case 203, connecting piece 202 and joint 201, the ring line is connected to the one end that connects 201, connecting piece 202 is connected to the other end, valve body 204 is provided with the valve pocket, and set up the through-hole of a plurality of intercommunication valve pockets on the lateral wall, case 203 is installed in the valve pocket, and case 203 intake end butt connecting piece 202, be provided with the rivers passageway in the connecting piece 202, the cross sectional dimension of rivers passageway is greater than the cross sectional dimension of the end of intaking of case 203, in order to be used for increasing the pressure of intaking of the end of case 203.
In order to facilitate the disassembly and assembly of the joint 201, according to some embodiments of the present invention, an internal thread is provided in the joint 201 for screwing the ring pipeline.
Similarly, the water inlet end of the valve core 203 is connected with the connector 202 in a threaded manner for easy assembly and disassembly.
Similarly, to facilitate disassembly, connector 202 is threadably connected to fitting 201.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a prevent pressing harrow thickener which characterized in that includes:
a rake rack (302) which can rotate circumferentially around a central axis;
the underflow cylinder (101) is arranged in the middle of the lower end of the rake frame (302) and is provided with a storage cavity with an opening at the upper end;
the slurry making pipeline (102) is arranged in the storage cavity and extends upwards from the bottom of the storage cavity along the inner wall of the storage cavity in a surrounding manner around the central axis to form one or more layers of annular pipelines; the slurry making pipeline (102) is provided with a plurality of nozzles (103).
2. The pressure resistant rake thickener according to claim 1, wherein the water spraying direction of the nozzles (103) on each layer of the ring-shaped pipeline is towards the rake frame (302) for forming water spraying flow.
3. The pressure-resistant rake thickener according to claim 1, wherein the water spraying direction of each nozzle (103) is consistent with the tangential direction of the annular pipeline where the nozzle is located so as to form a rotating water flow.
4. The pressure-resistant rake thickener as claimed in claim 1, 2 or 3, wherein the slurry making pipeline (102) is communicated with a high pressure pipeline through which a high pressure water flow is input.
5. The pressure resistant rake thickener of claim 4, wherein the slurrying line (102) is bolted to the sidewall of the underflow shaft (101).
6. The pressure resistant rake thickener of claim 5 wherein the nozzle (103) is configured as a one-way valve that opens under the influence of high pressure water flow.
7. The pressure-resistant rake thickener according to claim 6, wherein the check valve is provided with a valve body (204), a valve core (203), a connecting piece (202) and a connector (201), one end of the connector (201) is connected with the annular pipeline, the other end of the connector (201) is connected with the connecting piece (202), the valve body (204) is provided with a valve cavity, the side wall of the valve body is provided with a plurality of through holes communicated with the valve cavity, the valve core (203) is installed in the valve cavity, the water inlet end of the valve core (203) is abutted against the connecting piece (202), a water flow channel is arranged in the connecting piece (202), and the cross-sectional size of the water flow channel is larger than that of the water inlet end of the valve core (203) so as to increase the water inlet pressure of the water inlet end of the valve.
8. The pressure resistant rake thickener of claim 7, wherein the fitting (201) is internally threaded for threadably connecting the annular conduit.
9. The pressure resistant rake thickener of claim 8, wherein the water inlet end of the valve core (203) is threaded to the connector (202).
10. The pressure resistant rake thickener of claim 9, wherein a connector (202) is threadably connected to the adapter (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922492159.0U CN211752710U (en) | 2019-12-31 | 2019-12-31 | Anti-pressure rake thickener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922492159.0U CN211752710U (en) | 2019-12-31 | 2019-12-31 | Anti-pressure rake thickener |
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| Publication Number | Publication Date |
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| CN211752710U true CN211752710U (en) | 2020-10-27 |
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| CN201922492159.0U Active CN211752710U (en) | 2019-12-31 | 2019-12-31 | Anti-pressure rake thickener |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113024080A (en) * | 2021-03-05 | 2021-06-25 | 北京科技大学 | Full-tailing slurry two-section type continuous, rapid and deep dewatering system |
-
2019
- 2019-12-31 CN CN201922492159.0U patent/CN211752710U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113024080A (en) * | 2021-03-05 | 2021-06-25 | 北京科技大学 | Full-tailing slurry two-section type continuous, rapid and deep dewatering system |
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