CN204074517U - High-efficiency coarse powder separator - Google Patents
High-efficiency coarse powder separator Download PDFInfo
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- CN204074517U CN204074517U CN201420525550.0U CN201420525550U CN204074517U CN 204074517 U CN204074517 U CN 204074517U CN 201420525550 U CN201420525550 U CN 201420525550U CN 204074517 U CN204074517 U CN 204074517U
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- flow
- shell
- guiding channel
- riser
- air inlet
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- 239000000843 powder Substances 0.000 title claims abstract description 101
- 230000000306 recurrent effect Effects 0.000 claims abstract description 26
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 6
- 235000012054 meals Nutrition 0.000 abstract description 23
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000000505 pernicious effect Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000004566 building material Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011044 inertial separation Methods 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a kind of high-efficiency coarse powder separator, comprise inner casing, shell, riser and powder recurrent canal, inner casing is fixing in the enclosure, riser is connected with shell, riser is fixed on the lower end of shell, powder recurrent canal is arranged on the bottom of shell, powder recurrent canal is connected with shell, also comprise guiding device, guiding device is arranged on the top of riser, guiding device comprises air inlet and at least two flow-guiding channels, flow-guiding channel is radial to be arranged on air inlet, air inlet is connected with flow-guiding channel, air inlet is positioned at above the gas outlet of riser.The utility model arranges mill separator by the gas outlet place at riser, the meal in powder thoroughly can be separated, powder is fully burned, and reduces the waste of resource, reduces the discharge of pernicious gas.
Description
Technical field
The utility model relates to the field of powder separation such as coal-burning power plant, cement building material, coal, powder metallurgy, petrochemical industry, particularly relates to a kind of high-efficiency coarse powder separator.
Background technology
The mill separator of the industry such as coal-burning power plant and cement building material forms primarily of inner casing, shell, riser and powder recurrent canal.Be blown into through riser by powder to be separated, be separated by the meal in powder in the enclosure, meal is collected in powder recurrent canal.
At present, the field of powder separation such as coal-burning power plant, cement building material, coal, powder metallurgy, petrochemical industry, what the powder for high concentration was separated general employing is inertial separation principle, namely high concentration powder with clash into bore collide after coarse granule powder be separated under the effect of inertia force, and return from powder recurrent canal and again grind into grinding machine, this its separative efficiency of separator be separated by principle of inertia is very low, have even lower than 30%.Such as, meal wherein, when being separated powder, often can not thoroughly be separated with fine powder by the mill separator of the coal-burning power plant used in market, causes carrying under one's arms in the meal separated a large amount of fine powders, and the unit power consumption of coal pulverizing of grinding machine is increased.On the other hand, fine powder is mixed into a large amount of meal and flows into downstream unit, causes separative efficiency low and the burning of the powder of coal-burning power plant is insufficient, causes the waste that resource is unnecessary.
Utility model content
The purpose of this utility model is, provides a kind of high-efficiency coarse powder separator, the meal in powder thoroughly can be separated with fine powder, meal is separated, and reduces the unit power consumption of coal pulverizing of coal pulverizer, and qualified fine powder flows into downstream unit, improve resource utilization, thus, save resource.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of high-efficiency coarse powder separator, comprise inner casing, shell, riser and powder recurrent canal, inner casing is fixing in the enclosure, riser is connected with shell, riser is fixed on the lower end of shell, powder recurrent canal is arranged on the bottom of shell, powder recurrent canal is connected with shell, also comprise guiding device, guiding device is arranged on the top of riser, and guiding device comprises air inlet and at least two flow-guiding channels, and flow-guiding channel is radial to be arranged on air inlet, air inlet is connected with flow-guiding channel, and air inlet is positioned at above the gas outlet of riser.High-efficiency coarse powder separator of the present utility model compared with prior art, by setting up guiding device, can by fluid by axially changing circumference or radial direction into, under the synergy of centrifugal force and inertia force, coarse granule is separated efficiently.Can by arrange flow-guiding channel towards, by the direction of motion of fluid guiding shell, separate from fluid after the meal in fluid and the inwall of shell collide.Wherein air inlet can be arranged on the top of riser, also can stretch in riser, or directly docks with the mouth of pipe of riser.
In aforesaid high-efficiency coarse powder separator, in the shape of a spiral, the one end open of flow-guiding channel is connected with air inlet flow-guiding channel, and other end opening is towards the radial direction of shell.This kind of set-up mode powder can collide with the inwall of shell, and meal is wherein separated.
In aforesaid high-efficiency coarse powder separator, in the shape of a spiral, the one end open of flow-guiding channel is connected with air inlet flow-guiding channel, and other end opening is towards the circumference of shell.This kind of design flow-guiding channel has certain radian, the meal in powder from the gas outlet of flow-guiding channel out after can produce strong centrifugal motion, thus under the influence of centrifugal force meal to be separated.
In aforesaid high-efficiency coarse powder separator, flow-guiding channel is fixed on the inwall of shell.Flow-guiding channel also can be fixed on inner casing.
In aforesaid high-efficiency coarse powder separator, flow-guiding channel is tubular structure.Guiding device can be formed by the many mutual torsional deformations of tubular material, and multiple the opening of tubular material lower end is air inlet afterwards, and the tubular material of upper end is out of shape and forms flow-guiding channel.Can be round tube, rectangular tube etc.Flow-guiding channel can be fixed on a cylinder, and cylindrical below can be fixedly connected with cone or a pyrometric cone etc.
In aforesaid high-efficiency coarse powder separator, flow-guiding channel is the channel-shaped structure leaving opening.The flow-guiding channel of channel-shaped structure can reduce resistance, makes powder passing through more at a high speed, improves separative efficiency.The one end open of flow-guiding channel is connected with air inlet, and other end opening part is provided with baffle plate, and baffle plate is fixed on flow-guiding channel.By setting up baffle plate, powder, when flowing through flow-guiding channel, can collide with baffle plate, and changes the flow direction of powder by baffle plate, and extend the flow path of powder, meal is more prone to be separated under gravity.
In aforesaid high-efficiency coarse powder separator, flow-guiding channel is cylindrical helical.The one end open of flow-guiding channel is connected with air inlet, and other end opening can both can downward according to the change of powder classification and operating mode, also can upward or horizontal direction, depend on the circumstances.The gas outlet of flow-guiding channel, can increase the motion path of powder down, and in longer motion path, meal is more prone to the tracks of the gravity disengaging powder due to self, thus is effectively separated from powder by meal.According to the situation of powder, when needs promote separative efficiency, the gas outlet of flow-guiding channel also in being horizontally disposed with, or can be inclined upwardly.
In aforesaid high-efficiency coarse powder separator, the connecting place of air inlet and flow-guiding channel is spiral helicine gentle transition.Can reduce air drag, powder can collide with the inwall of flow-guiding channel in the process of motion, can not affect the degree of purity of the fine powder separated, but can improve the efficiency of separation.
In aforesaid high-efficiency coarse powder separator, be provided with pre-separator in riser, pre-separator comprises body and guide vane, and body is streamlined, and guide vane is spiral helicine to be fixed on body.The riser in pre-separator downstream is provided with slot.Can change the motion path of powder by setting up guiding device, the inwall of itself and riser is collided, and separated by part meal, the meal separated is discharged through slot.And pre-separator can also reduce the flow velocity of gas, prevent the excessive velocities of powder, cause meal wherein to follow air-flow and enter downstream unit, and can not thoroughly separate.Slot can along the radial direction of riser, tangential or there is with radial direction the angle being less than 90 degree, for being discharged from riser through slot by meal.Slot can also be the structure of venetian blind type, its gas outlet be provided with towards the radial direction of direction and riser the angle being less than 90 degree.
In aforesaid high-efficiency coarse powder separator, also comprise and clash into cone, clash into the top that cone is fixed on guiding device, clash between cone and shell and be provided with skimming baffle.Flow-guiding channel is fixed on and clashes on cone, and the lower taper body clashing into cone stretches out the bottom of guiding device.Spiral helicine being fixed on of flow-guiding channel is clashed on cone, and what the lower taper body clashing into cone made fluid mild enters in guiding device, can reduce the pressure drop of equipment, improves the efficiency of separator.
Compared with prior art, the utility model is by the pre-separator that arranges at the gas outlet place of riser and shutter, coarse granule can be separated high efficiency in advance, and the guiding device be arranged on above riser gas outlet can by fluid by axially changing circumference and radial direction into, under the synergy of centrifugal force and inertia force, coarse granule is separated efficiently, thus improve the separative efficiency of powder greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of mill separator of the present utility model;
Fig. 2 is the structural representation of a kind of embodiment of guiding device;
Fig. 3 is the stereogram of Fig. 2;
Fig. 4 is the structural representation of the another kind of embodiment of guiding device;
Fig. 5 is the structural representation of the another kind of embodiment of mill separator of the present utility model;
Fig. 6 is the structural representation of a kind of embodiment of pre-separator;
Fig. 7 is the structural representation of another embodiment of guiding device;
Fig. 8 is the top view of Fig. 7;
Fig. 9 is the arrangement schematic diagram of skimming baffle.
Reference numeral: 1-shell, 2-inner casing, 3-clashes into cone, 4-guiding device, 5-riser, 6-powder recurrent canal, 7-flow-guiding channel, 8-air inlet, 9-pre-separator, 10-guide vane, 11-body, 12-slot, 13-skimming baffle.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Detailed description of the invention
Embodiment of the present utility model:
Embodiment 1: as shown in Figure 1, a kind of high-efficiency coarse powder separator, comprise inner casing 2, shell 1, riser 5 and powder recurrent canal 6, inner casing 2 is fixed in shell 1, riser 5 is connected with shell 1, riser 5 is fixed on the lower end of shell 1, powder recurrent canal 6 is arranged on the bottom of shell 1, powder recurrent canal 6 is connected with shell 1, also comprise guiding device 4, guiding device 4 is arranged on the top of riser 5, guiding device 4 comprises air inlet 8 and at least two flow-guiding channels 7, flow-guiding channel 7 is radial to be arranged on air inlet 8, air inlet 8 is connected with flow-guiding channel 7, air inlet 8 is positioned at above the gas outlet of riser 5.
In the shape of a spiral, the one end open of flow-guiding channel 7 is connected with air inlet 8 flow-guiding channel 7, and other end opening is towards the radial direction of shell 1.
Flow-guiding channel 7 is fixed on the inwall of shell 1.
As shown in Figure 4, flow-guiding channel 7 is tubular structure.
Flow-guiding channel 7 is in cylindrical helical.The gas outlet of flow-guiding channel 7 tilts upward or upward.
Air inlet 8 is spiral helicine gentle transition with the connecting place of flow-guiding channel 7.
As shown in Figure 5 and Figure 6, be provided with pre-separator 9 in riser 5, pre-separator 9 comprises body 11 and guide vane 10, and body 11 is in streamlined, and guide vane 10 is spiral helicine to be fixed on body 11.
The riser 5 in pre-separator 9 downstream is provided with slot 12, and in the present embodiment, slot 12 is along the radial direction of riser 5.
Also comprise and clash into cone 3, clash into the top that cone 3 is fixed on guiding device 4, clash between cone 3 and shell 1 and be provided with skimming baffle 13.As shown in Figure 9, skimming baffle 13 can also be arranged on to be fixed on and clash on cone 3, and the size of skimming baffle 13 can be arbitrary.Flow-guiding channel 7 can also be fixed on and clash on cone 3, and the lower taper body clashing into cone 3 stretches out the bottom of guiding device 4.
Embodiment 2: as shown in Figure 1, a kind of high-efficiency coarse powder separator, comprise inner casing 2, shell 1, riser 5 and powder recurrent canal 6, inner casing 2 is fixed in shell 1, riser 5 is connected with shell 1, riser 5 is fixed on the lower end of shell 1, powder recurrent canal 6 is arranged on the bottom of shell 1, powder recurrent canal 6 is connected with shell 1, also comprise guiding device 4, guiding device 4 is arranged on the top of riser 5, guiding device 4 comprises air inlet 8 and at least two flow-guiding channels 7, flow-guiding channel 7 is radial to be arranged on air inlet 8, air inlet 8 is connected with flow-guiding channel 7, air inlet 8 is positioned at above the gas outlet of riser 5.
In the shape of a spiral, the one end open of flow-guiding channel 7 is connected with air inlet 8 flow-guiding channel 7, and other end opening is towards the circumference of shell 1.
Flow-guiding channel 7 is fixed on the inwall of shell 1.
As shown in Figures 2 and 3, flow-guiding channel 7 is for leaving the channel-shaped structure of opening.Guiding device 4 is formed by multiple cell body torsional deformation.Flow-guiding channel 7 can also be the channel-shaped structure of bottom for opening, and the intersection of multiple flow-guiding channel 7 is air inlet 8, sees Fig. 7 and Fig. 8.
The one end open of flow-guiding channel 7 is connected with air inlet 8, and other end opening part is provided with baffle plate, and baffle plate is fixed on flow-guiding channel 7.
Flow-guiding channel 7 is in cylindrical helical.The outlet of flow-guiding channel 7 is towards horizontal direction.
Air inlet 8 is spiral helicine gentle transition with the connecting place of flow-guiding channel 7.
As shown in Figure 5 and Figure 6, be provided with pre-separator 9 in riser 5, pre-separator 9 comprises body 11 and guide vane 10, and body 11 is in streamlined, and guide vane 10 is spiral helicine to be fixed on body 11.
The riser 5 in pre-separator 9 downstream is provided with slot 12, and in the present embodiment, slot 12 is tangential along riser 5.
Also comprise and clash into cone 3, clash into the top that cone 3 is fixed on guiding device 4, clash between cone 3 and shell 1 and be provided with skimming baffle 13.As shown in Figure 9, skimming baffle 13 can also be arranged on to be fixed on and clash on cone 3, and the size of skimming baffle 13 can be arbitrary.Flow-guiding channel 7 can also be fixed on and clash on cone 3, and the lower taper body clashing into cone 3 stretches out the bottom of guiding device 4.
Embodiment 3: as shown in Figure 1, a kind of high-efficiency coarse powder separator, comprise inner casing 2, shell 1, riser 5 and powder recurrent canal 6, inner casing 2 is fixed in shell 1, riser 5 is connected with shell 1, riser 5 is fixed on the lower end of shell 1, powder recurrent canal 6 is arranged on the bottom of shell 1, powder recurrent canal 6 is connected with shell 1, also comprise guiding device 4, guiding device 4 is arranged on the top of riser 5, guiding device 4 comprises air inlet 8 and at least two flow-guiding channels 7, flow-guiding channel 7 is radial to be arranged on air inlet 8, air inlet 8 is connected with flow-guiding channel 7, air inlet 8 is positioned at above the gas outlet of riser 5.
In the shape of a spiral, the one end open of flow-guiding channel 7 is connected with air inlet 8 flow-guiding channel 7, and other end opening is towards the radial direction of shell 1.
Flow-guiding channel 7 is fixed on the inwall of shell 1.
As shown in Figures 2 and 3, flow-guiding channel 7 is for leaving the channel-shaped structure of opening.Guiding device 4 is formed by multiple cell body torsional deformation.Flow-guiding channel 7 can also be the channel-shaped structure of bottom for opening, and the intersection of multiple flow-guiding channel 7 is air inlet 8, sees Fig. 7 and Fig. 8.
The one end open of flow-guiding channel 7 is connected with air inlet 8, and other end opening part is provided with baffle plate, and baffle plate is fixed on flow-guiding channel 7.
Flow-guiding channel 7 is in cylindrical helical.The gas outlet of flow-guiding channel 7 downward or downward-sloping.
Air inlet 8 is spiral helicine gentle transition with the connecting place of flow-guiding channel 7.
As shown in Figure 5 and Figure 6, be provided with pre-separator 9 in riser 5, pre-separator 9 comprises body 11 and guide vane 10, and body 11 is in streamlined, and guide vane 10 is spiral helicine to be fixed on body 11.
The riser 5 in pre-separator 9 downstream is provided with slot 12, and in the present embodiment, slot 12 exists with the radial direction of riser 5 angle being less than 90 degree.
Also comprise and clash into cone 3, clash into the top that cone 3 is fixed on guiding device 4, clash between cone 3 and shell 1 and be provided with skimming baffle 13.As shown in Figure 9, skimming baffle 13 can also be arranged on to be fixed on and clash on cone 3, and the size of skimming baffle 13 can be arbitrary.Flow-guiding channel 7 can also be fixed on and clash on cone 3, and the lower taper body clashing into cone 3 stretches out the bottom of guiding device 4.
Embodiment 4: as shown in Figure 1, a kind of high-efficiency coarse powder separator, comprise inner casing 2, shell 1, riser 5 and powder recurrent canal 6, inner casing 2 is fixed in shell 1, riser 5 is connected with shell 1, riser 5 is fixed on the lower end of shell 1, powder recurrent canal 6 is arranged on the bottom of shell 1, powder recurrent canal 6 is connected with shell 1, also comprise guiding device 4, guiding device 4 is arranged on the top of riser 5, guiding device 4 comprises air inlet 8 and at least two flow-guiding channels 7, flow-guiding channel 7 is radial to be arranged on air inlet 8, air inlet 8 is connected with flow-guiding channel 7, air inlet 8 is positioned at above the gas outlet of riser 5.
In the shape of a spiral, the one end open of flow-guiding channel 7 is connected with air inlet 8 flow-guiding channel 7, and other end opening is towards the circumference of shell 1.
Flow-guiding channel 7 is fixed on the inwall of shell 1.
As shown in Figure 4, flow-guiding channel 7 is tubular structure.
Flow-guiding channel 7 is in cylindrical helical.
Air inlet 8 is spiral helicine gentle transition with the connecting place of flow-guiding channel 7.
As shown in Figure 5 and Figure 6, be provided with pre-separator 9 in riser 5, pre-separator 9 comprises body 11 and guide vane 10, and body 11 is in streamlined, and guide vane 10 is spiral helicine to be fixed on body 11.
The riser 5 in pre-separator 9 downstream is provided with slot 12, and in the present embodiment, slot 12 and the radial direction of riser 5 exist the angle of 60 degree.
Also comprise and clash into cone 3, clash into the top that cone 3 is fixed on guiding device 4, clash between cone 3 and shell 1 and be provided with skimming baffle 13.As shown in Figure 9, skimming baffle 13 can also be arranged on to be fixed on and clash on cone 3, and the size of skimming baffle 13 can be arbitrary.Flow-guiding channel 7 can also be fixed on and clash on cone 3, and the lower taper body clashing into cone 3 stretches out the bottom of guiding device 4.
Operation principle of the present utility model: powder enters the inside of shell 1 from riser 5, in the process, when powder is through pre-separator 9, pre-separator 9 changes the motion path of powder, powder is made to collide the inwall of riser 5, wherein meal departs from powder after colliding the inwall of riser 5 under the effect of self gravitation, thus is separated.When powder is through guiding device 4, powder collides with guiding device 4 under the effect of guiding device 4, thus again filters the meal in powder.Collide with the inwall of shell 1 after powder flies out from guiding device 4, and meal wherein continues to be filtered under the effect of self gravitation.The meal be separated enters the coal pulverizer of coal-burning power plant through powder recurrent canal 6, is again ground by coal pulverizer, and fine powder can Thorough combustion when entering the boiler of coal-burning power plant, thus reduces the waste to resource.
Claims (12)
1. a high-efficiency coarse powder separator, comprise inner casing (2), shell (1), riser (5) and powder recurrent canal (6), inner casing (2) is fixed in shell (1), riser (5) is connected with shell (1), riser (5) is fixed on the lower end of shell (1), powder recurrent canal (6) is arranged on the bottom of shell (1), powder recurrent canal (6) is connected with shell (1), it is characterized in that, also comprise guiding device (4), guiding device (4) is arranged on the top of riser (5), guiding device (4) comprises air inlet (8) and at least two flow-guiding channels (7), flow-guiding channel (7) is radial to be arranged on air inlet (8), air inlet (8) is connected with flow-guiding channel (7), air inlet (8) is positioned at above the gas outlet of riser (5).
2. high-efficiency coarse powder separator according to claim 1, it is characterized in that, in the shape of a spiral, the one end open of flow-guiding channel (7) is connected with air inlet (8) flow-guiding channel (7), and other end opening is towards the radial direction of shell (1).
3. high-efficiency coarse powder separator according to claim 1, it is characterized in that, in the shape of a spiral, the one end open of flow-guiding channel (7) is connected with air inlet (8) flow-guiding channel (7), and other end opening is towards the circumference of shell (1).
4. the high-efficiency coarse powder separator according to any one of claims 1 to 3, is characterized in that, flow-guiding channel (7) is fixed on the inwall of shell (1).
5. the high-efficiency coarse powder separator according to any one of claims 1 to 3, is characterized in that, flow-guiding channel (7) is tubular structure.
6. the high-efficiency coarse powder separator according to any one of claims 1 to 3, it is characterized in that, flow-guiding channel (7) is for leaving the channel-shaped structure of opening, the one end open of flow-guiding channel (7) is connected with air inlet (8), other end opening part is provided with baffle plate, and baffle plate is fixed on flow-guiding channel (7).
7. high-efficiency coarse powder separator according to claim 1, is characterized in that, flow-guiding channel (7) is in cylindrical helical.
8. high-efficiency coarse powder separator according to claim 1, is characterized in that, air inlet (8) is spiral helicine gentle transition with the connecting place of flow-guiding channel (7).
9. high-efficiency coarse powder separator according to claim 1, it is characterized in that, pre-separator (9) is provided with in riser (5), pre-separator (9) comprises body (11) and guide vane (10), body (11) is in streamlined, and guide vane (10) is spiral helicine to be fixed on body (11).
10. high-efficiency coarse powder separator according to claim 9, is characterized in that, the riser (5) in pre-separator (9) downstream is provided with slot (12).
11. high-efficiency coarse powder separators according to claim 1 or 9, it is characterized in that, also comprise and clash into cone (3), clash into the top that cone (3) is fixed on guiding device (4), clash between cone (3) and shell (1) and be provided with skimming baffle (13).
12. high-efficiency coarse powder separators according to claim 11, is characterized in that, flow-guiding channel (7) is fixed on and clashes on cone (3), and the lower taper body clashing into cone (3) stretches out the bottom of guiding device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525550.0U CN204074517U (en) | 2014-09-12 | 2014-09-12 | High-efficiency coarse powder separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420525550.0U CN204074517U (en) | 2014-09-12 | 2014-09-12 | High-efficiency coarse powder separator |
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| CN204074517U true CN204074517U (en) | 2015-01-07 |
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| CN201420525550.0U Expired - Fee Related CN204074517U (en) | 2014-09-12 | 2014-09-12 | High-efficiency coarse powder separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515129A (en) * | 2020-04-13 | 2020-08-11 | 华电电力科学研究院有限公司 | Novel adjusting coarse powder separator and working method |
-
2014
- 2014-09-12 CN CN201420525550.0U patent/CN204074517U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515129A (en) * | 2020-04-13 | 2020-08-11 | 华电电力科学研究院有限公司 | Novel adjusting coarse powder separator and working method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171129 Address after: Shandong City, Qingdao province Yinchuan City Road 67, No. 69 A101 Patentee after: Qingdao tour Priede Separation Technology Co.,Ltd. Address before: Norway City No. 48 Desitelunlu Hugh inferior ears, Nuo Daoer 5236. Patentee before: Peng Weiming |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20210912 |