CN211099625U - Novel dustproof efficient cyclone - Google Patents
Novel dustproof efficient cyclone Download PDFInfo
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- CN211099625U CN211099625U CN201922169383.6U CN201922169383U CN211099625U CN 211099625 U CN211099625 U CN 211099625U CN 201922169383 U CN201922169383 U CN 201922169383U CN 211099625 U CN211099625 U CN 211099625U
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Abstract
The utility model relates to the field of cyclone separators, in particular to a novel dustproof high-efficiency cyclone separator which comprises a shell; the shell is hollow to form a shell inner cavity; the upper end of the shell is provided with a shell upper cover; the upper end of the shell is connected with an air inlet pipeline; an air outlet pipeline is arranged on the upper cover of the shell; the air inlet pipeline and the air outlet pipeline are communicated with the inner cavity of the shell; the section of the air inlet pipeline is pentagonal. The utility model changes the structure of the traditional cyclone separator, and can ensure that the cyclone separator has higher centrifugal force action and ensures the effective separation efficiency of gas and solid by optimizing the structure of the air inlet pipeline, and matching the pipeline structure of the pentagon structure with the requirement of the air speed; meanwhile, the length of the air outlet pipeline in the inner cavity of the shell is set, so that the stability of the internal flow field of the cyclone separator can be effectively improved.
Description
Technical Field
The utility model relates to a cyclone field is a novel prevent raise dust efficient cyclone particularly.
Background
The suspension preheater is a core device in the production process of novel dry cement and has multiple functions of gas-solid dispersion, material heating, gas-solid separation, material conveying, partial physical and chemical reactions and the like.
The separation efficiency and the resistance loss are two performance indexes mainly considered for designing the cyclone separator and are also main technical indexes for evaluating the performance of the cyclone separator.
In actual production, however, the cyclone separator has poor separation efficiency and high resistance, which causes high external circulation and internal circulation of the system, high power consumption of the system, and limits the normal performance of the production line thermal equipment; a new cyclone separator with high separation efficiency is now needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a novel cyclone that separation efficiency is high.
In order to realize the purpose, the utility model discloses a technical scheme be:
a novel dustproof high-efficiency cyclone separator comprises a shell; the shell is hollow to form a shell inner cavity; the upper end of the shell is provided with a shell upper cover; the upper end of the shell is connected with an air inlet pipeline; an air outlet pipeline is arranged on the upper cover of the shell; the air inlet pipeline and the air outlet pipeline are communicated with the inner cavity of the shell; the section of the air inlet pipeline is polygonal.
The air inlet pipeline comprises a pipeline body, an air inlet channel is arranged inside the pipeline body, and the whole structure of the pipeline body is of a pentagonal prism structure.
The duct body comprises a first side plate, a second side plate, a third side plate, a fourth side plate and a fifth inclined plate; the first side plate, the second side plate, the third side plate, the fourth side plate and the fifth inclined plate are sequentially connected; the first side plate, the second side plate, the third side plate, the fourth side plate and the fifth inclined plate form a pipe body structure with a channel inside; one end of the fifth inclined plate is connected with one end, far away from the third side plate, of the fourth side plate, and the other end of the fifth inclined plate is connected with one end, far away from the second side plate, of the first side plate; the fifth inclined plate is on a side of the pipe body away from the housing.
The first side plate and the third side plate are arranged in parallel; the second side plate and the fourth side plate are arranged in parallel; the first side plate is arranged perpendicular to the second side plate.
The size ratio of the height to the width of the pipeline body is 2: 1.
The air outlet pipeline extends into the inner cavity of the shell; the ratio of the length of the air outlet pipeline in the inner cavity of the shell to the height of the pipeline body is 1.1: 1.
The shortest distance between one side of the air inlet pipeline close to the inner cavity of the shell and the air outlet pipeline is more than 200 mm.
The shell comprises a cylindrical shell body with a cylindrical structure and an inverted frustum-shaped shell body with a frustum-shaped structure; the cylindrical shell is positioned above the inverted frustum-shaped shell; the cylindrical shell is connected with one end of the inverted frustum-shaped shell with a larger opening; the lower end of the inverted frustum-shaped shell is connected with an expansion bin for storage; the expansion bin comprises a conical bin body; the upper end of the bin body is provided with a connecting sleeve hole for connecting with the inverted frustum-shaped shell; the bin body is sleeved at the lower end of the inverted frustum-shaped shell through a connecting sleeve hole; the lower end of the bin body is provided with a discharge hole.
The distance between the lower end face of the air outlet pipeline and the outlet at the lower end of the expansion bin is greater than the length of the natural cyclone; the natural cyclone is long
Calculating to obtain;
l c natural cyclone length, deThe diameter of an air outlet pipeline; dcA cylindrical shell diameter; r iseThe radius of the air outlet pipeline; r iscA cylindrical shell radius; a. theIThe inlet cross-sectional area of the air inlet duct; a height of the air inlet pipeline; b width of the air inlet duct.
The air outlet pipeline is eccentrically arranged on the upper cover of the shell.
The utility model has the advantages that:
the utility model changes the structure of the traditional cyclone separator, and can ensure that the cyclone separator has higher centrifugal force effect and ensure the effective separation efficiency of gas and solid by optimizing the structure of the air inlet pipeline, the pipeline structure with the polygonal structure and matching with the requirement of the air speed; meanwhile, the stability of the internal flow field of the cyclone separator can be effectively improved by setting the length of the air outlet pipeline in the inner cavity of the shell; the factor of the length of the natural cyclone is considered when the height of the cyclone is set, so that the influence of the factor on the dust at the lower end of the cyclone separator is reduced, namely the lower end of the natural cyclone is prevented from extending into the deep part of the discharging ash hopper; avoiding stirring up dust and entrainment into the updraft.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the medium inlet duct of the present invention.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a top view of fig. 1 after optimization.
The labels in the above figures are:
1. the shell, 2, the inlet duct, 3, the outlet duct.
Detailed Description
The following description of the preferred embodiments of the present invention will be made in further detail with reference to the accompanying drawings.
A novel dustproof high-efficiency cyclone separator comprises a shell 1; the interior of the shell 1 is hollow to form an inner cavity of the shell 1; the upper end of the shell 1 is provided with a shell upper cover; the upper end of the shell 1 is connected with an air inlet pipeline 2; an air outlet pipeline 3 is arranged on the upper cover of the shell; the air inlet pipeline 2 and the air outlet pipeline 3 are communicated with the inner cavity of the shell 1; the section of the air inlet pipeline 2 is polygonal; the utility model discloses a novel dustproof efficient cyclone separator; the utility model changes the structure of the traditional cyclone separator, and can ensure that the cyclone separator has higher centrifugal force action by optimizing the structure of the air inlet pipeline 2 and the pipeline structure of the polygonal structure and matching with the requirement of the air speed, thereby better ensuring the effective gas-solid separation efficiency of the cyclone separator; in practical use, the section of the air inlet pipeline 2 is required to be pentagonal, and the inlet air speed is designed according to 19m/s (the general design value is 18-20 m/s); the specific setting can be carried out according to the needs.
Preferably, the air inlet pipeline 2 in the utility model comprises a pipeline body, an air inlet channel 21 is arranged inside the pipeline body, and the whole structure of the pipeline body is in a pentagonal prism structure; the structure of the air inlet pipeline 2 is shown more clearly, and meanwhile, the pipeline body adopts a structure similar to a pentagonal prism, so that the air inlet channel is provided with an inclined surface, the direction and the speed of airflow entering the cyclone separator from the air inlet pipeline can be changed, and the cyclone separator is ensured to have higher centrifugal force action; the cross section of the air inlet channel 21 in the utility model is pentagonal as shown more clearly by disclosing that the pipeline body is of a pentagonal prism structure; the purpose of the arrangement is to ensure that the cyclone separator has higher centrifugal force action and ensure the effective gas-solid separation efficiency.
Preferably, the duct body of the present invention includes a first side plate 22, a second side plate 23, a third side plate 24, a fourth side plate 25, and a fifth inclined plate 26; the first side plate 22, the second side plate 23, the third side plate 24, the fourth side plate 25 and the fifth inclined plate 26 are connected in sequence; the first side plate 22, the second side plate 23, the third side plate 24, the fourth side plate 25 and the fifth inclined plate 26 form a pipe body structure with a channel inside; one end of the fifth inclined plate is connected with one end, far away from the third side plate, of the fourth side plate, and the other end of the fifth inclined plate is connected with one end, far away from the second side plate, of the first side plate; the fifth inclined plate is positioned on one side of the pipeline body away from the shell; in the present invention, the fifth side plate is an inclined plate, that is, the fifth inclined plate indicated above; in addition, in order to better achieve the technical effects, a fifth inclined plate is required to be arranged on one side of the pipeline body far away from the shell 1; this corresponds to the modification of the outer side of the conventional air intake duct 21; the side of the air inlet channel 21 far away from the shell 1 is provided with an inclined plane, and the air inlet angle of the air inlet pipeline can be changed due to the existence of the inclined plane; thereby ensuring that the cyclone separator has a high centrifugal force.
Preferably, the first side plate 22 and the third side plate 24 are arranged in parallel; the second side plate 23 is arranged in parallel with the fourth side plate 25; the first side plate 22 is arranged perpendicular to the second side plate 23; one end of the fifth inclined plate is connected with one end of the fourth side plate 25 far away from the third side plate 24, and the other end of the fifth inclined plate is connected with one end of the first side plate 22 far away from the second side plate 23; reference may be made in detail to the accompanying drawings; by adopting the arrangement, the size design of the air inlet pipeline is facilitated, the connection between the air inlet pipeline and the shell is facilitated, in addition, the distance calibration between the air inlet pipeline and the air outlet pipeline is facilitated through the longitudinal arrangement of the third side plate, and the actual use requirement is better met.
Preferably, the size ratio of the height to the width of the pipeline body in the utility model is 2: 1; when in actual use, the ratio of the height of the pipeline body to the width is a range value, the utility model discloses in specifically point out both ratios to be 2:1, the method belongs to an optimized technical scheme, but does not represent that the utility model can not use other ratio pipeline bodies; in addition, the ratio relation can optimize the airflow entering the inner cavity of the shell, and the centrifugal force of the cyclone cylinder can be greatly improved by matching the structure of the air inlet channel and the inlet air speed, so that the effective separation efficiency of the drum is better ensured.
Preferably, in the utility model, the air outlet pipeline extends to the inner part of the inner cavity of the shell; the ratio of the length of the air outlet pipeline in the inner cavity of the shell to the height of the pipeline body is 1.1: 1; by the proportion arrangement, the stability of the flow field in the cyclone separator can be effectively improved; when the cyclone separator is used, the air outlet pipeline and the air speed setting can be matched, so that the stability of the flow inside the cyclone separator is better ensured; the method specifically comprises the following steps: the air outlet pipeline 3 of the cyclone separator is a circular pipe, and the air speed is designed according to 16m/s (the general design value is 18-20 m/s).
Meanwhile, in order to better realize the effect, the shortest distance from one side of the air inlet pipeline close to the inner cavity of the shell to the air outlet pipeline is more than 200 mm; the change of the wind speed between the cyclone separator and the wind turbine is avoided due to the fact that the distance between the cyclone separator and the wind turbine is too small, and therefore the influence on the stability of the internal flow field of the cyclone separator due to the fact that the distance between the cyclone separator and the wind turbine is small is avoided; in addition, in order to show the distance more clearly, the calibration can be performed by referring to the air inlet pipeline structure stated above, and the side of the air inlet pipeline close to the inner cavity of the shell is the outer side of the third side plate, namely the side of the third side plate close to the air outlet pipeline; meanwhile, the shortest distance refers to the vertical distance; in other words the vertical distance of the rightmost edge of the wind duct from the third side panel.
Preferably, in the present invention, the housing 1 includes a cylindrical housing 101 with a cylindrical structure and an inverted frustum-shaped housing 102 with a frustum-shaped structure; the cylindrical shell 101 is positioned above the inverted frustum-shaped shell 102; the cylindrical shell 101 is connected with one end of the inverted frustum-shaped shell 102 with a larger opening; the lower end of the inverted frustum-shaped shell 102 is connected with an expansion bin 103 for storage; the expansion bin 103 comprises a conical bin body; the upper end of the bin body is provided with a connecting sleeve hole for connecting with the inverted frustum-shaped shell 102; the bin body is sleeved at the lower end of the inverted frustum-shaped shell 102 through a connecting sleeve hole; a discharge hole is formed in the lower end of the bin body; the expansion bin 103 arranged in this way plays a role in collecting dust, and preferably, the opening of the connecting sleeve hole of the expansion bin 103 is smaller, so that the dust entering the expansion bin 103 can be prevented from being raised too much due to the action of external force; that is, through such setting, can reduce the secondary raise dust, improve separation efficiency.
Preferably, in the utility model, the distance from the lower end surface of the air outlet pipeline to the lower end outlet of the expansion bin is greater than the length of the natural cyclone;
the natural cyclone is long
Calculating to obtain;
l c natural cyclone length, deThe diameter of an air outlet pipeline; dcA cylindrical shell diameter; r iseThe radius of the air outlet pipeline; r iscA cylindrical shell radius; a. theIThe inlet cross-sectional area of the air inlet duct; a height of the air inlet pipeline; b, the width of the air inlet pipeline;
at the same time, the above definition needs to ensure that the effective rotation factor N is more than 4.5;
the utility model discloses the purpose of requiring the distance that the distance between the lower end surface of the air outlet pipeline and the outlet of the lower end of the expansion bin is longer than the length of the natural cyclone is to reduce the influence of the factor of the length of the natural cyclone on the dust at the lower end of the cyclone separator, namely to avoid the lower end of the length of the natural cyclone from extending into the deep part of the discharging ash bucket; avoiding stirring up dust and entrainment into the updraft.
A design method of a novel dustproof high-efficiency cyclone separator is characterized by comprising the following steps:
(1) determining the overall pattern of the cyclone separator;
(2) after the step (1) is finished, determining the diameter and the radius of the shell and the diameter and the radius of the air outlet pipeline; the diameter and the radius of the shell are artificially determined and can be determined according to the requirement, and similarly, the diameter and the radius of the air outlet pipeline are also artificially determined and used as a reference after the diameter and the radius are determined for calculating the length of the natural cyclone subsequently; after the size is determined, determining the height and width of the air inlet pipeline according to design requirements; the height and width of the air inlet pipeline are required to be larger than the width value, and the best size calibration is that the height value is larger than 2 times of the width value;
(3) after the step (2) is finished, determining the length of the air pipeline penetrating into the inner cavity of the shell according to the height of the air inlet pipeline; the length of the air outlet pipeline penetrating into the inner cavity of the shell is required to be larger than the height of the air inlet pipeline, and the size of the air outlet pipeline can be designed according to the setting;
(4) after the step (3) is finished, calculating the length of the natural cyclone;
the natural whirlwind is long
Calculating to obtain;
l c length of natural cyclone, De outlet duct diameter, Dc diameter of cylindrical shell, re outlet duct radius, rc radius of cylindrical shell, inlet section area of Ai inlet duct, a height of inlet duct, b width of inlet duct;
(5) after the step (4) is finished, determining the distance from the outlet at the lower end of the expansion bin to the lower end face of the air outlet pipeline; the distance between the outlet at the lower end of the expansion bin and the lower end surface of the air outlet pipeline is required to be longer than the length of the natural cyclone.
(6) So far, the main dimensions relating to the separation efficiency of the cyclone separator have been designed, and the remaining dimensions can be selected as desired.
Preferably, the air outlet pipeline is eccentrically arranged on the upper cover of the shell; in fact, the upper end of the cyclone separator is of a structure similar to a volute, and the volute comprises a two-core volute, a three-core volute and the like; the invention discloses a two-core volute, which can be set according to the requirement; the connection mode of the volute and the shell belongs to the known technology, and is not repeated here, the improvement of the application on the traditional technology lies in that the circle center of the horizontal projection of the air outlet pipeline is not located at the center of the horizontal projection of the upper cover of the shell, and the air outlet pipeline is equivalently eccentrically arranged on the upper cover of the shell; the air outlet pipeline is eccentrically arranged, so that the centrifugal force of the cyclone separator can be increased, and the actual separation effect can be better optimized; when the air outlet device is actually used, the circle center position of the horizontal projection of the air outlet pipeline is positioned on one side of the horizontal projection of the upper cover of the shell, which is far away from the air outlet pipeline, and the circle center position of the horizontal projection of the air outlet pipeline is positioned at the left lower part of the horizontal projection of the upper cover of the shell by taking the horizontal projection picture 3 as a reference; the specific position is set according to the specific sizes of the volute and the cyclone separator; but the overall orientation is required to be at the set position described above.
Obviously the specific implementation of the present invention is not limited by the above-mentioned manner, and various insubstantial improvements made by the method concept and technical solution of the present invention are all within the protection scope of the present invention.
Claims (10)
1. A novel dustproof high-efficiency cyclone separator is characterized by comprising a shell; the shell is hollow to form a shell inner cavity; the upper end of the shell is provided with a shell upper cover; the upper end of the shell is connected with an air inlet pipeline; an air outlet pipeline is arranged on the upper cover of the shell; the air inlet pipeline and the air outlet pipeline are communicated with the inner cavity of the shell; the section of the air inlet pipeline is polygonal.
2. The novel dustproof and efficient cyclone separator as claimed in claim 1, wherein the air inlet pipeline comprises a pipeline body, an air inlet channel is arranged inside the pipeline body, and the whole structure of the pipeline body is in a pentagonal prism structure.
3. The novel dust-proof and efficient cyclone separator as claimed in claim 2, wherein the duct body comprises a first side plate, a second side plate, a third side plate, a fourth side plate and a fifth inclined plate; the first side plate, the second side plate, the third side plate, the fourth side plate and the fifth inclined plate are sequentially connected; the first side plate, the second side plate, the third side plate, the fourth side plate and the fifth inclined plate form a pipe body structure with a channel inside; one end of the fifth inclined plate is connected with one end, far away from the third side plate, of the fourth side plate, and the other end of the fifth inclined plate is connected with one end, far away from the second side plate, of the first side plate; the fifth inclined plate is on a side of the pipe body away from the housing.
4. The novel dust-proof high-efficiency cyclone separator as claimed in claim 3, wherein the first side plate and the third side plate are arranged in parallel; the second side plate and the fourth side plate are arranged in parallel; the first side plate is arranged perpendicular to the second side plate.
5. The novel dustproof high-efficiency cyclone separator as claimed in claim 2, wherein the size ratio of the height to the width of the pipeline body is 2: 1.
6. The novel dustproof and efficient cyclone separator as claimed in claim 2, wherein the air outlet pipeline extends to the inside of the inner cavity of the shell; the ratio of the length of the air outlet pipeline in the inner cavity of the shell to the height of the pipeline body is 1.1: 1.
7. The novel dustproof and efficient cyclone separator as claimed in claim 5, wherein the shortest distance from the side of the air inlet pipeline close to the inner cavity of the shell to the air outlet pipeline is more than 200 mm.
8. The novel dustproof high-efficiency cyclone separator as claimed in claim 2, wherein the shell comprises a cylindrical shell with a cylindrical structure and an inverted frustum-shaped shell with a frustum-shaped structure; the cylindrical shell is positioned above the inverted frustum-shaped shell; the cylindrical shell is connected with one end of the inverted frustum-shaped shell with a larger opening; the lower end of the inverted frustum-shaped shell is connected with an expansion bin for storage; the expansion bin comprises a conical bin body; the upper end of the bin body is provided with a connecting sleeve hole for connecting with the inverted frustum-shaped shell; the bin body is sleeved at the lower end of the inverted frustum-shaped shell through a connecting sleeve hole; the lower end of the bin body is provided with a discharge hole.
9. The novel dustproof high-efficiency cyclone separator as claimed in claim 2, wherein the distance from the lower end surface of the air outlet pipeline to the lower end outlet of the expansion bin is greater than the length of the natural cyclone; the natural cyclone is long
Calculating to obtain;
l c natural cyclone length, deThe diameter of an air outlet pipeline; dcA cylindrical shell diameter; r iseThe radius of the air outlet pipeline; r iscA cylindrical shell radius; a. theIThe inlet cross-sectional area of the air inlet duct; a height of the air inlet pipeline; b width of the air inlet duct.
10. The new type dust-proof high efficiency cyclone separator as claimed in claim 2, wherein said air outlet duct is eccentrically disposed on the top cover of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922169383.6U CN211099625U (en) | 2019-12-06 | 2019-12-06 | Novel dustproof efficient cyclone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922169383.6U CN211099625U (en) | 2019-12-06 | 2019-12-06 | Novel dustproof efficient cyclone |
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| Publication Number | Publication Date |
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| CN211099625U true CN211099625U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922169383.6U Active CN211099625U (en) | 2019-12-06 | 2019-12-06 | Novel dustproof efficient cyclone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860384A (en) * | 2019-12-06 | 2020-03-06 | 安徽海螺建材设计研究院有限责任公司 | Novel dustproof efficient cyclone separator and design method thereof |
| CN112387434A (en) * | 2020-10-29 | 2021-02-23 | 西安热工研究院有限公司 | Cyclone separator suitable for boiler dust removal and feed back |
-
2019
- 2019-12-06 CN CN201922169383.6U patent/CN211099625U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860384A (en) * | 2019-12-06 | 2020-03-06 | 安徽海螺建材设计研究院有限责任公司 | Novel dustproof efficient cyclone separator and design method thereof |
| CN112387434A (en) * | 2020-10-29 | 2021-02-23 | 西安热工研究院有限公司 | Cyclone separator suitable for boiler dust removal and feed back |
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