CN201260992Y - High effective energy-saving rotational flow precipitator - Google Patents
High effective energy-saving rotational flow precipitator Download PDFInfo
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- CN201260992Y CN201260992Y CNU2008201025580U CN200820102558U CN201260992Y CN 201260992 Y CN201260992 Y CN 201260992Y CN U2008201025580 U CNU2008201025580 U CN U2008201025580U CN 200820102558 U CN200820102558 U CN 200820102558U CN 201260992 Y CN201260992 Y CN 201260992Y
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Abstract
The utility model discloses an efficient and energy-saving cyclone dust collector which mainly comprises an outlet volute, a conical exhaust pipe with screw wings, an inlet volute, a cyclone cylinder body, an underflow pipe, a vortex breaker, a vortex stabilizing device, a crescent by-pass channel, and the like. The vortex breaker is sleeved in the cyclone cylinder body, the top end of the vortex breaker is opposite to the inlet of the exhaust pipe and is close to the inlet; the crescent by-pass channel is wound on the outer surface of the cyclone cylinder body in a screw curve way, the outlet and the inlet of the crescent by-pass channel are communicated with the inner cavity of the cyclone cylinder body; and the vortex stabilizing device is arranged at the inlet of the underflow pipe at the bottom of the cyclone cylinder body. Because of being additionally provided with the vortex breaker, the vortex stabilizing device, and the crescent by-pass channel, and being designed with the conical exhaust pipe with screw wings, the utility model shortens the vortex core amplitude, reduces the kinetic energy dissipation when flue gas flow rotates, lowers the energy consumption of integral collector, limits the back mixing of collected fine particles in a dust hopper, and improves the collecting efficiency of the fine particles in flue gas. The utility model has the advantages of high efficiency and energy conservation through the design.
Description
Technical field
The utility model relates to a kind of cleaner, particularly relates to a kind of energy-efficient cyclone dust.
Background technology
Gas-solid separating device has widely at a lot of industrial circles such as energy source and power, chemical industry metallurgical, building materials production to be used, therefore the quality of its separating property and drag characteristic directly has influence on utilization ratio of raw materials, the total amount of the dust of discharging and the energy that is consumed, and satisfies energy-conservation and energy-efficient separator environmental requirement has been subjected to paying attention to widely.
Along with going deep into of reform and opening-up, the development of township enterprises is rapid, and especially at southern area, numerous private enterprises have constituted the main body of local economy.These medium-sized and small enterprises generally relatively disperse, and mostly are equiped with independently small-sized heating system, are used to prepare steam.The energy resource system of this class dispersion adopts coal-burning boiler mostly at present, and general capacity is no more than 35t/h, is common with the chain furnace below the 20t/h, fluidized bed furnace especially.
Dust is one of major pollutants that produce in the coal-burning boiler course of work.At present, Chang Yong dedusting technology mainly contain electrostatic precipitation, bag-type dust, gravitational settling dedusting, cyclone dust removal, water film dedusting, etc.Wherein, the better dust removal effect of electrostatic precipitation and bag-type dust, but with high costs; Gravitational settling dedusting simple in structure, but efficiency of dust collection is lower; The cyclone dust removal effect is pretty good, but at present the manufacturing cost of equipment is higher, and volume is huger, generally is used for the coal-burning boiler dedusting of big-and-middle-sized heating power or electric power enterprise, and the use in 20t/h and following small scall coal-fired boiler is still rare.Commonly using cyclone separator (as shown in Figure 1) mainly is made up of air inlet pipe 1 ', Whirlwind barrel 2 ' (comprising top straight barrel and lower taper body), blast pipe 3 ' and underflow pipe 4 ' etc.Described cylinder type blast pipe 3 ' is installed on Whirlwind barrel 2 ' top, and described underflow pipe 4 ' is installed on the Whirlwind barrel bottom.This cyclone separator of commonly using have the pressure loss big, to the not high defective of the efficiency of dust collection of fine particle.
Current, the corporate boss that the domestic overwhelming majority has small scall coal-fired boiler will adopt the water film type dedusting.The efficiency of dust collection of water film dedusting is higher, but compares water consumption in actual applications; Do not take in boiler combustion under the situation of desulphurization denitration technical measures, it is acid that the aqueous solution after dust removal process is, and causes having produced secondary water and pollute; And the lime-ash behind the water film dedusting also is difficult to carry out the high added value comprehensive utilization because of the chemical property variation has taken place.Therefore, for domestic a large amount of existence at present, use small-sized fire coal (comprising combustion residue oil, the high grey heavy oil of burning) boiler that the medium-sized and small enterprises of thermal source are provided, urgent need has a kind of dry-type dedusting equipment of energy-efficient, cheap, compact conformation, is used for the tail flue gas dust removal of boiler.
The utility model content
The purpose of this utility model is to provide a kind of energy-efficient cyclone dust.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of energy-efficient cyclone dust, and it mainly is made up of outlet volute, blast pipe, inlet spiral case, Whirlwind barrel, underflow pipe etc., and described Whirlwind barrel top is provided with smoke inlet, cover access port spiral case on smoke inlet; The top of described blast pipe is fixed in the inwall end face of Whirlwind barrel and its body over against smoke inlet, described outlet volute snaps onto the top of Whirlwind barrel, the inner chamber of outlet volute is relative with the outlet of blast pipe and communicate, and underflow pipe terminates at the lower end of Whirlwind barrel; It also comprises broken whirlpool device, steady whirlpool device, crescent bypass; Described broken whirlpool device is nested with in Whirlwind barrel, and the inlet of its top and blast pipe is relative and near this inlet; Described crescent bypass is surrounded on the outer surface of Whirlwind barrel according to helical curve, and its entry and exit all communicate with the Whirlwind barrel inner chamber; Described steady whirlpool device is installed in the underflow pipe porch of Whirlwind barrel intracavity bottom.
The utility model also comprises an abnormity inlet convergent-divergent pipe, and this abnormity inlet convergent-divergent pipe box is connected on the inlet spiral case.
Described abnormity inlet convergent-divergent pipe, its starting section be circular, with the back cross section of the spiral case termination that enters the mouth be rectangle, the coupling part is a Venturi tube.
Described blast pipe is a helical fin taper riser, and it is conical that main body is, and its big end terminates at the inwall end face of Whirlwind barrel, and fin climbs along the exhaust tube wall spiral.
Described broken whirlpool device is the arc blade profile, on axially along clockwise direction, form by the leaf fin of the identical arc of some shapes, all the in succession bottom of a last leaf fin of arc of the leaf fin of each arc, these several arc leaves are crossed as an equilateral polygon at the center; The top in the cross section that effectively facings the wind of fin is bigger rectangle, and the middle part is an easement curve section, and the bottom is a less rectangle, triangle or camber line curved surface.
Described broken whirlpool device is cutter boomerang type, and along clockwise direction, last lower section all is made up of the identical cutter boomerang shape fin of some shapes on axially, and fin is evenly arranged along circumference; The top, cross section that effectively facings the wind of fin is bigger rectangle, and the bottom is a less rectangle, triangle or camber line curved surface.
Described steady whirlpool device is the needle tubing undaform, and its shaft section is wavy, and the center position of the steady whirlpool of wave device connects the needle tubing of a hollow.
Described steady whirlpool device is the sieve aperture collar plate shape, and shaft section is a convex surface, has ventilative sieve aperture on the curved surface.
Extend a flow deflector at inlet spiral case and Whirlwind barrel inner chamber junction, edge inlet spiral case inwall to the Whirlwind barrel inner chamber, this flow deflector is made of two planes that tilt to intersect, form a line of demarcation with the spiral case gas channel parallel that enters the mouth in its intersection, this line of demarcation is " ridge " shape.
Described outlet volute is an abnormity awl outlet volute, is to have set up an inverted abnormity awl commonly using the outlet volute inner chamber, and the vertex of a cone of this abnormity awl is relative with the outlet of blast pipe.
Described crescent bypass is the crescent Drainage Section that is surrounded on Whirlwind barrel, and this crescent Drainage Section is logarithm helical curve or Archimedes's involute shape, and draw at the top of spin air duct body direct tube section, and spiraling enters the bottom of Whirlwind barrel direct tube section.
After adopting such scheme, because the utility model makes flue gas stream enter the backspin track fast by design helical fin taper row (liter) tracheae, has alleviated the compression phenomena of rotational flow gas self, the effect of the pressure of recovery is arranged, and can reduce the short circuit phenomenon of flue gas stream simultaneously; Smash the maelstrom vortex core by arc blade profile or the broken whirlpool of cutter boomerang type device, the kinetic energy dissipation when reducing the rotation of flue gas stream, and then the energy consumption of reduction entire system; Stablize the eddy flow vortex core by needle tubing undaform or the steady whirlpool of sieve aperture collar plate shape device, reduce the vortex core amplitude, and suppress to have collected fine grain back-mixing in the ash bucket; Be used for the ash ring (upper dust-ring) that drainage cyclone upper space exists by the crescent bypass, improve the arresting efficiency of fine particle in the flue gas; , help improving whirlwind tube flow field and distribute for bypass structure provides necessary air-flow predistribution by two fens " ridge " formula flow deflectors; The rotation function of taking out of by different conical outlet spiral case purifying gas flow is converted to static pressure, improves the pressure loss that exhanst gas outlet produces because of cross section convergent-divergent phenomenon; Guarantee that by special-shaped convergent-divergent pipe flue gas flows to the smooth transition of mouth, and improve inlet flue gas speed.By above design, make to the utlity model has efficient, energy-saving advantages.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 commonly uses cyclone separator structure figure;
Fig. 2 is an installation diagram of the present utility model;
Fig. 3 is a cutaway view of the present utility model;
Fig. 4 is the upward view that the utility model comprises the first half of broken whirlpool device;
Fig. 5 is the cutaway view of the steady whirlpool of the utility model device part;
Fig. 6 A, Fig. 6 B, Fig. 6 C are forward axonometric drawing, lateral axis mapping and the vertical views of the broken whirlpool of the utility model arc blade profile device;
Fig. 7 A, Fig. 7 B, Fig. 7 C are forward axonometric drawing, lateral axis mapping and the vertical views of the broken whirlpool of the utility model cutter boomerang type device;
Fig. 8 A, Fig. 8 B, Fig. 8 C be the steady whirlpool of the utility model needle tubing undaform device side view, overlook axonometric drawing and look up axonometric drawing;
Fig. 9 A, Fig. 9 B, Fig. 9 C be the steady whirlpool of the utility model sieve aperture collar plate shape device side view, overlook axonometric drawing and look up axonometric drawing;
Figure 10 A, Figure 10 B are overlooking axonometric drawing and looking up axonometric drawing of the utility model inlet spiral case flow deflector;
Figure 11 A, Figure 11 B are overlooking axonometric drawing and looking up axonometric drawing of the utility model outlet volute;
Figure 12 A, Figure 12 B are the utility model crescent bypass side view and vertical view;
Figure 13 A, Figure 13 B are the forward sight axonometric drawing and the backsight axonometric drawings of the utility model abnormity inlet convergent-divergent pipe;
Figure 14 A, Figure 14 B are overlooking axonometric drawing and looking up axonometric drawing of the utility model riser.
The specific embodiment
As Fig. 2, shown in Figure 3, the utility model is a kind of energy-efficient cyclone dust, and it is made up of Whirlwind barrel 1, abnormity inlet convergent-divergent pipe 2, inlet spiral case 3, outlet volute 4, row's (liter) tracheae 5, crescent bypass 6, broken whirlpool device 7, steady whirlpool device 8, underflow pipe 9.
Described Whirlwind barrel 1 is made of cylindrical direct tube section 11 and the conical cylinder section 12 that is back taper; Conical cylinder section 12 terminates at the bottom of direct tube section 11.
Described Whirlwind barrel 1 top is provided with smoke inlet 13, cover access port spiral case 3 on smoke inlet 13.Extend a flow deflector 31 (shown in Figure 10 A, Figure 10 B) at inlet spiral case 3 and Whirlwind barrel 1 inner chamber junction, edge inlet spiral case 3 inwalls to Whirlwind barrel 1 inner chamber, this flow deflector 31 is made of two planes that tilt to intersect, form a line of demarcation 32 with the spiral case 3 gas channel parallel that enter the mouth in its intersection, this line of demarcation 32 is " ridge " shape.
The top of described row (liter) tracheae 5 is fixed in the inwall end face of Whirlwind barrel 1 and its body over against smoke inlet 13, described blast pipe 5 (shown in Figure 14 A, Figure 14 B) is a helical fin taper riser, it is conical that main body 51 is, its big end terminates at the inwall end face of Whirlwind barrel 1, and fin 52 climbs along riser 5 main bodys 51 outer wall spirals.
Described outlet volute 4 snaps onto the top of Whirlwind barrel 1, and the inner chamber of outlet volute 4 is relative with the outlet of blast pipe 5 and communicate, and underflow pipe 9 terminates at the lower end of Whirlwind barrel 1.
Described abnormity inlet convergent-divergent pipe 2 is socketed on the air inlet 33 (shown in Figure 10 B) of inlet spiral case 3, this abnormity inlet convergent-divergent pipe 2 (shown in Figure 13 A, Figure 13 B) starting section 21 is circular, with the back cross section 22 of inlet spiral case 3 terminations be rectangle, coupling part 23 is a Venturi tube.
Described broken whirlpool device 7 is nested with in Whirlwind barrel 1, the inlet of its top and blast pipe 5 is relative and near this inlet (as shown in Figure 4), it is fixing by a steel bar that is connected in outlet volute 4 inner top surfaces that passes blast pipe 5 inner chambers 10, and its lower end connects 8 (as shown in Figure 5) of steady whirlpool device by steel bar 20.Described broken whirlpool device 7 can be designed to be arc blade profile (shown in Fig. 6 A, Fig. 6 B, Fig. 6 C), this broken whirlpool of arc blade profile device 7 on axially along clockwise direction, form by the leaf fin 71 of the identical arc of some shapes, all the in succession bottom of a last leaf fin of arc of the leaf fin 71 of each arc, these several arc leaves are crossed as an equilateral polygon at the center; The top in the cross section that effectively facings the wind of fin 71 is bigger rectangle, and the middle part is an easement curve section, and the bottom is a less rectangle, triangle or camber line curved surface.Described broken whirlpool device 7A is designed to be cutter boomerang type (shown in Fig. 7 A, Fig. 7 B, Fig. 7 C), and along clockwise direction, last lower section all is made up of the identical cutter boomerang shape fin 71A of some shapes on axially, and fin is evenly arranged along circumference; The top, cross section that effectively facings the wind of fin is bigger rectangle, and the bottom is a less rectangle, triangle or camber line curved surface.
Described crescent bypass 6 is surrounded on the outer surface of Whirlwind barrel 1 according to helical curve, and its outlet 61 and inlet 62 (shown in Figure 12 A, Figure 12 B) all communicate with Whirlwind barrel 1 inner chamber; The helical curve of described crescent bypass 6 is the crescent Drainage Section 63 that is surrounded on Whirlwind barrel 1, this crescent Drainage Section 63 is logarithm helical curve or Archimedes's involute shape, draw at the top of spin air duct body 1 direct tube section 11, and spiraling enters the bottom of Whirlwind barrel 1 direct tube section 11.
Described steady whirlpool device 8 is installed in Whirlwind barrel 1 intracavity bottom (as shown in Figure 5), near underflow pipe 9 places.Described steady whirlpool device 8 can be designed to needle tubing undaform (shown in Fig. 8 A, Fig. 8 B, Fig. 8 C), and its shaft section is wavy, and the center position of the steady whirlpool of wave device 8 has the needle tubing 81 of a hollow.Described steady whirlpool device 8A also can be designed to sieve aperture collar plate shape (shown in Fig. 9 A, Fig. 9 B, Fig. 9 C), and its shaft section is a convex surface, has ventilative sieve aperture 81A on the curved surface.
Described outlet volute 4 is an abnormity awl outlet volute (shown in Figure 11 A, Figure 11 B), is to have set up an inverted abnormity awl 41 commonly using the outlet volute inner chamber, and the vertex of a cone of this abnormity awl is relative with the outlet of riser 5.
Whirlwind barrel 1, abnormity inlet convergent-divergent pipe 2, inlet spiral case 3, outlet volute 4, blast pipe 5, crescent bypass 6, broken whirlpool device 7, steady whirlpool device 8, underflow pipe 9 etc. have been formed the energy-efficient cyclone dust of the utility model XP-S.
Operation principle of the present utility model (as shown in Figure 2):
The utility model XP-S cyclone dust makes flue gas stream enter the backspin track fast by design helical fin taper blast pipe 5, has alleviated the compression phenomena of rotational flow gas, the effect of the pressure of recovery is arranged, and can reduce the short circuit phenomenon of flue gas stream simultaneously; Smash the maelstrom vortex core by broken whirlpool device (arc blade profile or cutter boomerang type) 7, the kinetic energy dissipation when reducing the rotation of flue gas stream, and then reduce the entire system energy consumption; Stablize the eddy flow vortex core by steady whirlpool device (needle tubing undaform or sieve aperture collar plate shape) 8, reduce the vortex core amplitude, and suppress to have collected fine grain back-mixing in the ash bucket; Be used for the ash ring (upper dust-ring) that drainage cyclone upper space exists by crescent bypass 6, improve the arresting efficiency of fine particle in the flue gas; Come to help improving whirlwind tube flow field and distribute by two fens " ridge " formula flow deflectors 31 for bypass structure provides necessary air-flow predistribution; The rotation function of purifying gas flow being taken out of by different conical outlet spiral case 4 is converted to static pressure, can improve the pressure loss that exhanst gas outlet produces because of cross section convergent-divergent phenomenon; Guarantee that by abnormity inlet convergent-divergent pipe 2 flue gas flows to the smooth transition of mouth, and improve smoke inlet speed.
Emphasis of the present invention just is: designed the taper blast pipe of band helical fin, set up broken whirlpool device, steady whirlpool device and crescent bypass.
Claims (10)
1, a kind of energy-efficient cyclone dust, it mainly is made up of outlet volute, blast pipe, inlet spiral case, Whirlwind barrel, underflow pipe etc., and described Whirlwind barrel top is provided with smoke inlet, cover access port spiral case on smoke inlet; The top of described blast pipe is fixed in the inwall end face of Whirlwind barrel and its body over against smoke inlet, described outlet volute snaps onto the top of Whirlwind barrel, the inner chamber of outlet volute is relative with the outlet of blast pipe and communicate, and underflow pipe terminates at the lower end of Whirlwind barrel; It is characterized in that: it also comprises broken whirlpool device, steady whirlpool device, crescent bypass; Described broken whirlpool device is nested with in Whirlwind barrel, and the inlet of its top and blast pipe is relative and near this inlet; Described crescent bypass is surrounded on the outer surface of Whirlwind barrel according to helical curve, and its entry and exit all communicate with the Whirlwind barrel inner chamber; Described steady whirlpool device is installed in the underflow pipe porch of Whirlwind barrel intracavity bottom.
2, energy-efficient cyclone dust according to claim 1 is characterized in that: it also comprises an abnormity inlet convergent-divergent pipe, and this abnormity inlet convergent-divergent pipe box is connected on the inlet spiral case; Described abnormity inlet convergent-divergent pipe, its starting section be circular, with the back cross section of the spiral case termination that enters the mouth be rectangle, the coupling part is a Venturi tube.
3, energy-efficient cyclone dust according to claim 1 is characterized in that: described blast pipe is a helical fin taper riser, and it is conical that main body is, and its big end terminates at the inwall end face of Whirlwind barrel, and fin climbs along the exhaust tube wall spiral.
4, energy-efficient cyclone dust according to claim 1, it is characterized in that: described broken whirlpool device is the arc blade profile, on axially along clockwise direction, form by the leaf fin of the identical arc of some shapes, all the in succession bottom of a last leaf fin of arc of the leaf fin of each arc, these several arc leaves are crossed as an equilateral polygon at the center; The top in the cross section that effectively facings the wind of fin is bigger rectangle, and the middle part is an easement curve section, and the bottom is a less rectangle, triangle or camber line curved surface.
5, energy-efficient cyclone dust according to claim 1, it is characterized in that: described broken whirlpool device is cutter boomerang type, along clockwise direction, last lower section all is made up of the identical cutter boomerang shape fin of some shapes on axially, and fin is evenly arranged along circumference; The top, cross section that effectively facings the wind of fin is bigger rectangle, and the bottom is a less rectangle, triangle or camber line curved surface.
6, energy-efficient cyclone dust according to claim 1 is characterized in that: described steady whirlpool device is the needle tubing undaform, and its shaft section is wavy, and the center position of the steady whirlpool of wave device connects the needle tubing of a hollow;
7, energy-efficient cyclone dust according to claim 1 is characterized in that: described steady whirlpool device is the sieve aperture collar plate shape, and shaft section is a convex surface, has ventilative sieve aperture on the curved surface.
8, energy-efficient cyclone dust according to claim 1, it is characterized in that: extend a flow deflector to the Whirlwind barrel inner chamber at inlet spiral case and Whirlwind barrel inner chamber junction, edge inlet spiral case inwall, this flow deflector is made of two planes that tilt to intersect, form a line of demarcation with the spiral case gas channel parallel that enters the mouth in its intersection, this line of demarcation is " ridge " shape.
9, energy-efficient cyclone dust according to claim 1, it is characterized in that: described outlet volute is abnormity awl outlet volute, be to have set up an inverted abnormity awl commonly using the outlet volute inner chamber, the vertex of a cone of this abnormity awl is relative with the outlet of blast pipe.
10, energy-efficient cyclone dust according to claim 1, it is characterized in that: described crescent bypass is the crescent Drainage Section that is surrounded on Whirlwind barrel, this crescent Drainage Section is logarithm helical curve or Archimedes's involute shape, draw at the top of spin air duct body direct tube section, and spiraling enters the bottom of Whirlwind barrel direct tube section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201025580U CN201260992Y (en) | 2008-06-03 | 2008-06-03 | High effective energy-saving rotational flow precipitator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201025580U CN201260992Y (en) | 2008-06-03 | 2008-06-03 | High effective energy-saving rotational flow precipitator |
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| Publication Number | Publication Date |
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| CN201260992Y true CN201260992Y (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201025580U Expired - Fee Related CN201260992Y (en) | 2008-06-03 | 2008-06-03 | High effective energy-saving rotational flow precipitator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069958A (en) * | 2014-07-08 | 2014-10-01 | 中节能天辰(北京)环保科技有限公司 | Dry-type paint mist trapping device and dry-type paint mist trapping method |
| CN104226494A (en) * | 2014-09-12 | 2014-12-24 | 彭维明 | Cyclone separator |
| CN105232328A (en) * | 2015-11-05 | 2016-01-13 | 泉州市尊生酒业有限公司 | Medicinal liquor drainage device |
| CN106238232A (en) * | 2016-09-21 | 2016-12-21 | 广东石油化工学院 | The cyclone separator bored with rotary blade and anti-back-mixing |
| CN109200710A (en) * | 2018-11-02 | 2019-01-15 | 广东碧和晴环保科技设备有限公司 | A kind of method for purifying and processing waste gas |
| CN109277213A (en) * | 2017-07-22 | 2019-01-29 | 青岛理工大学 | Electrostatic cyclone dust collector |
| CN109894287A (en) * | 2019-04-03 | 2019-06-18 | 清华大学 | A kind of scroll casing type efficient cyclone |
| CN111151389A (en) * | 2020-01-09 | 2020-05-15 | 刘根凡 | Quasi-sequence vortex suppressor |
| CN117030559A (en) * | 2023-08-11 | 2023-11-10 | 中煤科工集团重庆研究院有限公司 | Pipe section type high-flow PM2.5 separator and separation method |
-
2008
- 2008-06-03 CN CNU2008201025580U patent/CN201260992Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069958A (en) * | 2014-07-08 | 2014-10-01 | 中节能天辰(北京)环保科技有限公司 | Dry-type paint mist trapping device and dry-type paint mist trapping method |
| CN104226494A (en) * | 2014-09-12 | 2014-12-24 | 彭维明 | Cyclone separator |
| CN105232328A (en) * | 2015-11-05 | 2016-01-13 | 泉州市尊生酒业有限公司 | Medicinal liquor drainage device |
| CN106238232A (en) * | 2016-09-21 | 2016-12-21 | 广东石油化工学院 | The cyclone separator bored with rotary blade and anti-back-mixing |
| CN109277213A (en) * | 2017-07-22 | 2019-01-29 | 青岛理工大学 | Electrostatic cyclone dust collector |
| CN109200710A (en) * | 2018-11-02 | 2019-01-15 | 广东碧和晴环保科技设备有限公司 | A kind of method for purifying and processing waste gas |
| CN109894287A (en) * | 2019-04-03 | 2019-06-18 | 清华大学 | A kind of scroll casing type efficient cyclone |
| CN111151389A (en) * | 2020-01-09 | 2020-05-15 | 刘根凡 | Quasi-sequence vortex suppressor |
| CN117030559A (en) * | 2023-08-11 | 2023-11-10 | 中煤科工集团重庆研究院有限公司 | Pipe section type high-flow PM2.5 separator and separation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA DATANG GROUP SCIENCE AND TECHNOLOGY RESEARCH Effective date: 20131108 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131108 Address after: Yinjiang road in Jimei District of Xiamen City, Fujian Province, No. 185 361021 Patentee after: Jimei University Patentee after: China Datang Group Science & Technology Research Institute Co., Ltd. Address before: Yinjiang road in Jimei District of Xiamen City, Fujian Province, No. 185 361021 Patentee before: Jimei University |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20160603 |