CN202700671U - Novel adjustable rotary separator - Google Patents
Novel adjustable rotary separator Download PDFInfo
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- CN202700671U CN202700671U CN 201220360121 CN201220360121U CN202700671U CN 202700671 U CN202700671 U CN 202700671U CN 201220360121 CN201220360121 CN 201220360121 CN 201220360121 U CN201220360121 U CN 201220360121U CN 202700671 U CN202700671 U CN 202700671U
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- footstock
- rotor
- bearing
- coal
- hollow shaft
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Abstract
Disclosed in the utility model is a novel adjustable rotary separator that includes a top seat, a hollow bearing pedestal, a rotor separation device, a variable frequency drive device, an adjustable distributor, an upper coal drop pipe and a lower coal drop pipe. A plurality of coal dust discharging bodies are arranged at the top of the top seat in a circle center symmetrical mode; the hollow bearing pedestal is vertically arranged at the central position of the top seat; and the upper coal drop pipe and the lower coal drop pipe are correspondingly arranged at the upper end and the lower end of the hollow bearing pedestal. The rotor separation device consists of a sleeve body, a rotor and a plurality of blades uniformly arranged on the periphery of the rotor; the rotor is sleeved on the sleeve body; and the sleeve body is movably sleeved on the lower portion of the hollow bearing pedestal and is arranged on the top seat by a bearing assembly. According to the utility model, the provided novel adjustable rotary separator with advantages of concise and compact overall structure, easiness of manufacturing, and low cost can be widely popularized and applied.
Description
Technical field
The utility model relates to separator, is specifically related to a kind of novel adjustable rotary separator.
Background technology
At present, the separator of pulverized coal preparation system employing mainly is divided into static separation device and dynamic separator two large classes.
The operation principle of static separation device is to utilize the wind powder to separate with the collision of separator and Gravity Separation obtains the wind powder of qualified fineness, the principal element of impact collision separating effect is the angle of static separation device skimming baffle, but because static separation device design feature, the adjusting that separates angle of flap is very complicated.The user does not all regulate generally speaking.Therefore, fineness of pulverized coal and powder amount distributing uniformity are very poor, affect the quality of wind powder.And affect normally carrying out of follow-up work.
The operation principle of dynamic separator is to utilize collision separation, centrifugation and the Gravity Separation of separator to obtain the wind powder of qualified fineness.Dynamic separator realizes that by the rotor block rotating speed of control rotation the different-effect that collides separation, centrifugation reaches the purpose of control fineness of pulverized coal, thereby realizes the adjustable online of fineness of pulverized coal.In addition, because the effect of rotor block, the powder amount distributing uniformity of dynamic separator improves a lot than the static separation device, but owing to non-adjustable, therefore affects the quality of wind powder.
The utility model content
For above-mentioned deficiency, it is a kind of simple in structure that the purpose of this utility model is to provide, and is skillfully constructed, easy to operate novel adjustable rotary separator.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of novel adjustable rotary separator, it comprises footstock, the hollow shaft bearing, the rotor separator, frequency-conversion drive apparatus, can regulate distributor, upper coal spout and dropping coal tube, the top of described footstock is the center of circle and is arranged with a plurality of coal dusts discharge bodies, described hollow shaft bearing is vertically set on the center of described footstock, described upper coal spout and dropping coal tube correspondence are arranged on the up and down two ends of described hollow shaft bearing, described rotor separator comprises a body, one rotor and some even respectively blades on the periphery of this rotor, described rotor is set on the described body, described body is movably set in the bottom of described hollow shaft bearing, and be arranged on the described footstock by bearing assembly, the position of corresponding described hollow shaft bearing one side of described frequency-conversion drive apparatus is arranged on the described footstock, and be connected with described body by transmission component, describedly regulate the position, lower surface that the corresponding described coal dust of distributor discharges body and be arranged on the described footstock.
The up and down two ends of described footstock are straight-tube shape, and the middle part is and enlarges gradually shape, and wherein the lower end diameter of this footstock is greater than upper end diameter.This special cavity can adapt to the aerodynamic field of coal pulverizer inside and coal dust is discharged fast.
The described distributor of regulating comprises an activity adjustment support and an adjustable plate consistent with the cross-sectional profile profile of described coal dust discharge body, described activity adjustment support is arranged on the described footstock, adjustable plate is fixed on the activity adjustment support by sleeve, one end links to each other with the output shaft of reductor, and the other end extends to the position, lower surface that described coal dust is discharged body.Can regulate by electronic and manual two kinds of methods the position of adjustable plate, realize that each meal outlet is dynamically adjustable separately; Thereby guarantee that the powder amount Deviation Control of four meal outlets is in 10%.Fundamentally solved the nonadjustable difficult problem of powder amount deviation.
Described bearing assembly comprises bearing block and is symmetricly set on the grease lubrication angular contact ball bearing at the up and down two ends of this bearing block, use the thermal resistance that is useful on its operating temperature of monitoring on this grease lubrication angular contact ball bearing, the both ends of the surface of this grease lubrication angular contact ball bearing are provided with and prevent that dust from entering the outside framework oil seal in it, by screw described bearing block and described footstock are fixed, the ring of grease lubrication angular contact ball bearing of the upper end position that is positioned at described bearing block and the upper end of described body are fixed.
Described frequency-conversion drive apparatus comprises the variable-frequency motor that can drive described rotor separator rotation and the frequency converter that can control this variable-frequency motor work, and the driving shaft of described variable-frequency motor is connected with reductor, and this frequency converter is connected with described variable-frequency motor; Described transmission component comprises a driven pulley and a driving wheel, described driven pulley is set in the top of described hollow shaft bearing, and be fixed by screws on the ring of grease lubrication angular contact ball bearing of the upper end position that is positioned at described bearing block, the end face of described driven pulley is provided with a plurality of cannelures that arrange with concentric, and is provided with the labyrinth seal parts that match with cannelure at described footstock; Described driving wheel is arranged on the output shaft of described reductor, and described driving wheel is connected with described driven pulley by belt.
The utility model structural design is ingenious, rationally, utilize collision separation, centrifugation and the Gravity Separation of rotor separator to obtain the coal dust of qualified fineness, and can realize the online adjustment of fineness of pulverized coal, in addition, owing to being provided with adjustable distributor, powder amount distributing uniformity has been realized dynamic adjustable, can make powder amount distributing uniformity improve more than 50% with the dynamic separator comparison.Fundamentally having solved static separation device fineness of pulverized coal regulates because of difficulty, powder amount distributing uniformity is poor, and the poor and nonadjustable difficult problem of dynamic separator powder amount distributing uniformity, therefore industry need in the industry of pulverized coal preparation system can by online adjust and dynamically adjust obtain required qualified coal dust, satisfy in the production run the different requirement for fineness of pulverized coal and powder amount distributing uniformity, thereby increased the gross efficiency of production run, reduced operating cost, reached the purpose of energy-saving and emission-reduction.In addition, terminal with compact integral structure, compactness are easy to make, and cost is low, is beneficial to wide popularization and application.
Be provided with thermal resistance, be used for the operating temperature of monitoring grease lubrication angular contact ball bearing, the handled easily personnel can monitor the duty of adjustable rotary separator, guarantee working properly carrying out.
Be provided with outside framework oil seal, can prevent effectively that coal dust intermixture to the damage of grease lubrication angular contact ball bearing, having prolonged the service life of bearing greatly.
Be provided with the labyrinth seal parts, can prevent effectively that coal dust intermixture from entering frequency-conversion drive apparatus, guarantee working properly carrying out, further the service life of extension device.
Description of drawings
Fig. 1 is plan structure schematic diagram of the present utility model;
Fig. 2 is the sectional structure schematic diagram of the A-A of Fig. 1.
The specific embodiment
As shown in the figure, a kind of novel adjustable rotary separator, it comprises footstock 1, hollow shaft bearing 3, rotor separator 6, frequency-conversion drive apparatus 8, can regulate distributor 10, upper coal spout 4 and dropping coal tube 5, the top of described footstock 1 is the center of circle and is arranged with a plurality of coal dusts discharge bodies 2, described hollow shaft bearing 3 is vertically set on the center of described footstock 1, described upper coal spout 4 and dropping coal tube 5 correspondences are arranged on the up and down two ends of described hollow shaft bearing 3, described rotor separator 6 comprises a body 61, one rotor 62 and some even respectively blades on the periphery of this rotor 62 63, described rotor 62 is set on the described body 61, described body 61 is movably set in the bottom of described hollow shaft bearing 3, and be arranged on the described footstock 1 by bearing assembly 7, the position of described frequency-conversion drive apparatus 8 corresponding described hollow shaft bearing 3 one sides is arranged on the described footstock 1, and be connected with described body 61 by transmission component 9, describedly regulate the position, lower surface that distributor 10 corresponding described coal dusts discharge bodies 2 and be arranged on the described footstock 1.
The up and down two ends of described footstock 1 are straight-tube shape, and the middle part is and enlarges gradually shape, and wherein the lower end diameter of this footstock 1 is greater than upper end diameter.This special cavity can adapt to the aerodynamic field of coal pulverizer inside and coal dust is discharged fast.
The described distributor 10 of regulating comprises an activity adjustment support 11 and an adjustable plate 12 consistent with the cross-sectional profile profile of described coal dust discharge body 2, described activity adjustment support 11 is arranged on the described footstock 1, adjustable plate 12 is fixed on the activity adjustment support 11 by sleeve, one end links to each other with the output shaft of reductor, and the other end extends to the position, lower surface that described coal dust is discharged body 2.Can regulate by electronic and manual two kinds of methods the position of adjustable plate 12, realize that each meal outlet is dynamically adjustable separately; Thereby guarantee that the powder amount Deviation Control of four meal outlets is in 10%.Fundamentally solved the nonadjustable difficult problem of powder amount deviation.
Described bearing assembly 7 comprises bearing block 71 and is symmetricly set on the grease lubrication angular contact ball bearing 72 at the up and down two ends of this bearing block 71, use the thermal resistance that is useful on its operating temperature of monitoring on this grease lubrication angular contact ball bearing 72, the both ends of the surface of this grease lubrication angular contact ball bearing 72 are provided with and prevent that dust from entering the outside framework oil seal in it, by screw described bearing block 71 and described footstock 1 are fixed, the ring of grease lubrication angular contact ball bearing 72 of the upper end position that is positioned at described bearing block 71 and the upper end of described body 61 are fixed.
Be provided with thermal resistance, be used for the operating temperature of monitoring grease lubrication angular contact ball bearing 72, the handled easily personnel can monitor the duty of adjustable rotary separator, guarantee working properly carrying out.
Be provided with outside framework oil seal, can prevent effectively that wind powder mixture to the damage of grease lubrication angular contact ball bearing 72, having prolonged the service life of bearing greatly.
Described frequency-conversion drive apparatus 8 comprises the variable-frequency motor 81 that can drive described rotor separator 6 rotations and can control the frequency converter of these variable-frequency motor 81 work, the driving shaft of described variable-frequency motor 81 is connected with reductor, and this frequency converter is connected with described variable-frequency motor 81; Described transmission component 9 comprises a driven pulley 91 and a driving wheel 93, described driven pulley 91 is set in the top of described hollow shaft bearing 3, and be fixed by screws on the ring of grease lubrication angular contact ball bearing 72 of the upper end position that is positioned at described bearing block 71, the end face of described driven pulley 91 is provided with a plurality of cannelures that arrange with concentric, and is provided with the labyrinth seal parts 92 that match with cannelure at described footstock 1; Described driving wheel 93 is arranged on the output shaft of described reductor, and described driving wheel 93 is connected with described driven pulley 91 by belt.
Be provided with labyrinth seal parts 92, can prevent effectively that coal dust intermixture from entering frequency-conversion drive apparatus 8, guarantee working properly carrying out, further the service life of extension device.
During work, utilize collision separation, centrifugation and the Gravity Separation of rotor separator 6 to obtain the coal dust of qualified fineness, and can realize the online adjustment of fineness of pulverized coal, in addition, owing to being provided with adjustable distributor, powder amount distributing uniformity has been realized dynamic adjustable, can make powder amount distributing uniformity improve more than 50% with the dynamic separator comparison.Fundamentally having solved static separation device fineness of pulverized coal regulates because of difficulty, powder amount distributing uniformity is poor, and the nonadjustable difficult problem of each meal outlet powder amount deviation of dynamic separator, therefore industry need in the industry of pulverized coal preparation system can by online adjust and dynamically adjust obtain required qualified coal dust, satisfy in the production run the different requirement for fineness of pulverized coal and powder amount distributing uniformity, thereby increased the gross efficiency of production run, reduced operating cost, reached the purpose of energy-saving and emission-reduction.
As described in the utility model above-described embodiment, adopt structure same or similar with it and other separator and the manufacture method that obtain, all in the utility model protection domain.
Claims (5)
1. novel adjustable rotary separator, it comprises footstock, the hollow shaft bearing, the rotor separator, frequency-conversion drive apparatus, can regulate distributor, upper coal spout and dropping coal tube, the top of described footstock is the center of circle and is arranged with a plurality of coal dusts discharge bodies, described hollow shaft bearing is vertically set on the center of described footstock, described upper coal spout and dropping coal tube correspondence are arranged on the up and down two ends of described hollow shaft bearing, described rotor separator comprises a body, one rotor and some even respectively blades on the periphery of this rotor, described rotor is set on the described body, described body is movably set in the bottom of described hollow shaft bearing, and be arranged on the described footstock by bearing assembly, the position of corresponding described hollow shaft bearing one side of described frequency-conversion drive apparatus is arranged on the described footstock, and be connected with described body by transmission component, describedly regulate the position, lower surface that the corresponding described coal dust of distributor discharges body and be arranged on the described footstock.
2. a kind of novel adjustable rotary separator according to claim 1 is characterized in that the up and down two ends of described footstock are straight-tube shape, and the middle part is and enlarges gradually shape, and wherein the lower end diameter of this footstock is greater than upper end diameter.
3. a kind of novel adjustable rotary separator according to claim 1, it is characterized in that the described distributor of regulating comprises an activity adjustment support and an adjustable plate consistent with the cross-sectional profile profile of described coal dust discharge body, described activity adjustment support is arranged on the described footstock, adjustable plate is fixed on the activity adjustment support by sleeve, one end links to each other with the output shaft of reductor, and the other end extends to the position, lower surface that described coal dust is discharged body.
4. a kind of novel adjustable rotary separator according to claim 1, it is characterized in that described bearing assembly comprises bearing block and is symmetricly set on the grease lubrication angular contact ball bearing at the up and down two ends of this bearing block, use the thermal resistance that is useful on its operating temperature of monitoring on this grease lubrication angular contact ball bearing, the both ends of the surface of this grease lubrication angular contact ball bearing are provided with and prevent that dust from entering the outside framework oil seal in it, by screw described bearing block and described footstock are fixed, the ring of grease lubrication angular contact ball bearing of the upper end position that is positioned at described bearing block and the upper end of described body are fixed.
5. a kind of novel adjustable rotary separator according to claim 1, it is characterized in that described frequency-conversion drive apparatus comprises the variable-frequency motor that can drive described rotor separator rotation and the frequency converter that can control this variable-frequency motor work, the driving shaft of described variable-frequency motor is connected with reductor, and this frequency converter is connected with described variable-frequency motor; Described transmission component comprises a driven pulley and a driving wheel, described driven pulley is set in the top of described hollow shaft bearing, and be fixed by screws on the ring of grease lubrication angular contact ball bearing of the upper end position that is positioned at described bearing block, described driving wheel is arranged on the output shaft of described reductor, and described driving wheel is connected with described driven pulley by belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360121 CN202700671U (en) | 2012-07-25 | 2012-07-25 | Novel adjustable rotary separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360121 CN202700671U (en) | 2012-07-25 | 2012-07-25 | Novel adjustable rotary separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202700671U true CN202700671U (en) | 2013-01-30 |
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ID=47581011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220360121 Expired - Lifetime CN202700671U (en) | 2012-07-25 | 2012-07-25 | Novel adjustable rotary separator |
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| Country | Link |
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| CN (1) | CN202700671U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567081A (en) * | 2012-07-25 | 2014-02-12 | 北京新源宝通电力设备有限公司 | Adjustable rotary separator manufacturing method and product thereof |
| CN104492612A (en) * | 2015-01-05 | 2015-04-08 | 天津理工大学 | Centrifugal machine |
| CN104307645B (en) * | 2014-10-09 | 2017-01-11 | 苏州可纳粉体技术有限公司 | Centrifugal grader with blade inclination adjustable grading wheel |
| CN114392922A (en) * | 2022-02-28 | 2022-04-26 | 北京电力设备总厂有限公司 | Novel belt-driven pulverized coal separator and using method thereof |
-
2012
- 2012-07-25 CN CN 201220360121 patent/CN202700671U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567081A (en) * | 2012-07-25 | 2014-02-12 | 北京新源宝通电力设备有限公司 | Adjustable rotary separator manufacturing method and product thereof |
| CN104307645B (en) * | 2014-10-09 | 2017-01-11 | 苏州可纳粉体技术有限公司 | Centrifugal grader with blade inclination adjustable grading wheel |
| CN104492612A (en) * | 2015-01-05 | 2015-04-08 | 天津理工大学 | Centrifugal machine |
| CN114392922A (en) * | 2022-02-28 | 2022-04-26 | 北京电力设备总厂有限公司 | Novel belt-driven pulverized coal separator and using method thereof |
| CN114392922B (en) * | 2022-02-28 | 2024-03-01 | 北京电力设备总厂有限公司 | Novel belt-driven pulverized coal separator and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |