CN203928599U - Energy saving expansion drying combination unit - Google Patents
Energy saving expansion drying combination unit Download PDFInfo
- Publication number
- CN203928599U CN203928599U CN201420324468.1U CN201420324468U CN203928599U CN 203928599 U CN203928599 U CN 203928599U CN 201420324468 U CN201420324468 U CN 201420324468U CN 203928599 U CN203928599 U CN 203928599U
- Authority
- CN
- China
- Prior art keywords
- main frame
- flash distillation
- conical ring
- rounding conical
- distillation main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Drying Of Solid Materials (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model relates to a kind of energy saving expansion drying combination unit, it comprises: flash distillation main frame, the top of this flash distillation main frame is provided with circular discharging opening, this discharging opening is provided with clasfficiator, this clasfficiator comprises: free gap is matched with the rounding conical ring on above-mentioned discharging opening, is evenly distributed with a plurality of particle blades on the inwall of this rounding conical ring; Each particle blade is distributed in respectively on the corresponding center vertical plane of this rounding conical ring; This rounding conical ring with one for driving this inverted cone to coordinate around the driving mechanism transmission of the central axis rotation of this rounding conical ring.During work, rounding conical ring fast rotational, makes the larger particles material that arrives this place be pulverized by a plurality of particle blades, avoids its crushing knife tool that falls to flash distillation main frame bottom again to pulverize, and then has improved drying efficiency; Rounding conical ring rotating speed is higher, and the particle of the top discharge mouth by this flash distillation main frame is just less, and user can require regulate arbitrarily according to material.
Description
Technical field
The utility model relates to a kind of energy saving expansion drying combination unit.
Background technology
Flash dryer is to enter drier bottom by hot-air tangent line, under agitator drives, forms strong rotation wind field.Material is entered in drier by screw feeder, and under the strong effect of High Rotation Speed paddle, material is impacted, disperseed under the effect of friction and shearing force, and lump material is pulverized rapidly, fully contacts, is heated, dry with hot-air.Dried material is carried and enters dust collecting system and carry out collection and treatment by air-flow, and the tail gas that meets environmental requirement dustiness≤50mg/m3 is emptying by air-introduced machine, completes whole dry run.
Flash dryer is the novel continuous drying equipment that integrates dry, pulverizes, sieves, and is specially adapted to the oven dry of filter cake shape, cream pasty state, sposh pasty material.Wet stock is only 5-8 second in the drying tower inner drying time, moisture content flash evapn, the product quality being dried out and dry temperature, wind speed, air quantity, broken speed is relevant, the wind speed that adjustable expansion drying tangent line enters, the size of the finished particle of discharge adjustable, the height of whole water content.
The operation principle of existing flash dryer: hot-air is entered the annular space of hothouse bottom with tangential direction by inlet tube, and helical form rises, simultaneously, material is quantitatively added in tower by feeder, and carries out sufficient heat exchange with hot-air, large wetter material under agitator effect by Mechanical Crushing, the material that moisture content is lower and granularity is less rises in the lump with swirling eddy, be delivered to separator and carry out gas solid separation, finished product collecting packing, tail gas is emptying after dust arrester is processed.
Above-mentioned the deficiencies in the prior art part is, first, existing flash distillation main frame is when charging, and material is easily deposited in main frame bottom; Secondly, charge door is about 30cm place above crushing knife tool, when bulk materials drops down onto on cutter, often exist some bulk materials do not pulverized and between drop down onto bottom main frame; Again, the top of existing flash distillation main frame is provided with fixing clasfficiator, for preventing that large granular materials from discharging from top exit, and large granular materials is fallen on crushing knife tool further pulverize, cause drying efficiency lower.
Utility model content
Primary technical problem to be solved in the utility model is to provide a kind of energy saving expansion drying combination unit, and flash distillation main frame wherein makes larger particles material be pulverized at the top exit of this main frame, to improve drying efficiency.
In order to solve the problems of the technologies described above, the utility model provides a kind of energy saving expansion drying combination unit, it comprises: flash distillation main frame, the top of this flash distillation main frame is provided with circular discharging opening, this discharging opening is provided with clasfficiator, this clasfficiator comprises: free gap is matched with the rounding conical ring on above-mentioned discharging opening, is evenly distributed with a plurality of particle blades on the inwall of this rounding conical ring; Each particle blade is distributed in respectively on the corresponding center vertical plane of this rounding conical ring; This rounding conical ring with one for driving this inverted cone to coordinate around the driving mechanism transmission of the central axis rotation of this rounding conical ring.During work, rounding conical ring fast rotational, makes the larger particles material that arrives this place be pulverized by a plurality of particle blades, avoids its crushing knife tool that falls to flash distillation main frame bottom again to pulverize, and then has improved drying efficiency; Rounding conical ring rotating speed is higher, and the particle of the top discharge mouth by this flash distillation main frame is just less, and user can require regulate arbitrarily according to material.
The central axis of described rounding conical ring is provided with axle sleeve, and this axle sleeve is fixedly linked by a plurality of connecting rods and described rounding conical ring; The top of described flash distillation main frame is provided with installing rack, and this installing rack is provided with bearing block and is matched with the rotating shaft in this bearing block, and the bottom of this rotating shaft and described axle sleeve are fixedly linked; On this installing rack, be also provided with the motor coordinating with described rotating shaft transmission.
Preferably, adjacent described particle blade lengths is different.
The discharging opening of one Double-helix feeder is connected with the feeding mouth of described flash distillation main frame, is provided with the disintegrating mechanism for comminuting matter caking in this flash distillation main frame, and the air intake vent of the bottom of contiguous this flash distillation main frame is connected with a heat blower sealing; Described disintegrating mechanism comprises multilayer moving knife, the bottom of the bottom of the discharging opening of Double-helix feeder and top layer moving knife is contour, so that bulk materials is from discharging opening when output of Double-helix feeder, driven knife is pulverized immediately, has avoided it directly to drop down onto the possibility of described flash distillation main frame bottom.
Described disintegrating mechanism comprises the broken rotating shaft of the drum type brake tower body bottom center of being located at flash distillation main frame, and described moving knife radial distribution is in this fragmentation rotating shaft; Described tower body inwall is provided with the quiet cutter that multilayer is crisscross arranged up and down with each layer of moving knife respectively; The quiet cutter of adjacent layer is crisscross arranged up and down.
Described disintegrating mechanism comprises the broken rotating shaft of the drum type brake tower body bottom center of being located at flash distillation main frame; The middle and lower part of described broken rotating shaft is provided with circular cone ring, is radially distributed with the moving knife of multilayer on the lateral surface of the middle and upper part of this fragmentation rotating shaft and circular cone ring; On the inwall of described tower body, be evenly distributed with multilayer respectively with described circular cone ring on the quiet cutter that is crisscross arranged up and down of each layer of moving knife; Neighbouring quiet cutter is crisscross arranged.The top seal of described circular cone ring is connected to the middle and lower part of described broken rotating shaft.
The discharging opening of described flash distillation main frame is connected with the feeding mouth sealing of a cyclone separator, the top outlet inlet of this cyclone separator is connected with the inlet seal of a sack cleaner, the top outlet inlet of this sack cleaner is connected with the hot-wind inlet sealing of a heat exchanger through an air-introduced machine, the cold air inlet of this heat exchanger is tightly connected through the air outlet of an air blast and a primarily efficient filter, and the hot-blast outlet that changes of this heat exchanger is connected with the air intake vent sealing of described heat blower.
With respect to prior art, the technique effect the utlity model has is: the clasfficiator on the top discharge mouth of (1) flash distillation main frame adopts the rounding conical ring of rotation, is evenly distributed with a plurality of particle blades on the inwall of this rounding conical ring; During work, rounding conical ring fast rotational, makes the larger particles material that arrives this place be pulverized by a plurality of particle blades, avoids its crushing knife tool that falls to flash distillation main frame bottom to pulverize, and then has improved drying efficiency; Rounding conical ring rotating speed is higher, and particle ability is stronger, and the particle of the top discharge mouth by this flash distillation main frame is just less, user can according to material require to carry out any bar adjusting user use.(2) adjacent described particle blade lengths is different, is beneficial to effect and the efficiency of the top particle that improves each particle blade.(3) bottom of the bottom of the discharging opening of Double-helix feeder and top layer moving knife is contour, so that bulk materials is from discharging opening when output of Double-helix feeder, driven knife is pulverized immediately, has avoided it directly to drop down onto the possibility of described flash distillation main frame bottom, is beneficial to the effect and the efficiency that improve particle.(4) the quiet cutter of adjacent layer is crisscross arranged up and down, has made to improve material and has dropped down onto the probability on each quiet cutter, has reduced lump material and directly along tower body inwall, has dropped down onto the probability of tower body bottom, is beneficial to the effect and the efficiency that improve particle.(5) middle and lower part of described broken rotating shaft is provided with circular cone ring, is radially distributed with the moving knife of multilayer on the lateral surface of the middle and upper part of this fragmentation rotating shaft and circular cone ring; On the inwall of described tower body, be evenly distributed with multilayer respectively with described circular cone ring on the quiet cutter that is crisscross arranged up and down of each layer of moving knife; Neighbouring quiet cutter is crisscross arranged.Described circular cone ring makes the bottom of described tower body be taper type, has significantly reduced tower body bottom space, has avoided solid accumulation.(6) adopt heat exchanger to carry out the energy recovery of hot blast, reduced energy consumption.
Accompanying drawing explanation
In order to clearly demonstrate innovative principle of the present utility model and than the technical advantage of existing product, by applying the limiting examples of described principle, possible embodiment to be described by means of accompanying drawing below.In the drawings:
Fig. 1 is the structural representation of the energy saving expansion drying combination unit in embodiment 1;
Fig. 2 is the structural representation of flash distillation main frame 1 of the present utility model;
Fig. 3 is the structural representation of clasfficiator 2 of the present utility model;
Fig. 4 is the D-D cross-sectional view of Fig. 3;
Fig. 5 is the perspective view of described clasfficiator 2;
Fig. 6 is the enlarged drawing of the local I in Fig. 2.
The specific embodiment
Embodiment 1
As Fig. 1, the energy saving expansion drying combination unit of the present embodiment comprises: flash distillation main frame 1, the top of this flash distillation main frame 1 is provided with circular discharging opening, this discharging opening is provided with clasfficiator 2, this clasfficiator 2 comprises: free gap is matched with the rounding conical ring 21 on above-mentioned discharging opening, is evenly distributed with a plurality of particle blades 22 on the inwall of this rounding conical ring 21; Each particle blade 22 is distributed in respectively on the corresponding center vertical plane of this rounding conical ring 21; This rounding conical ring with one for driving this inverted cone to coordinate around the driving mechanism transmission of the central axis rotation of this rounding conical ring.During work, rounding conical ring fast rotational, makes the larger particles material that arrives this place be pulverized by a plurality of particle blades, avoids its crushing knife tool that falls to flash distillation main frame bottom again to pulverize, and then could export from above-mentioned discharging opening, and then improve drying efficiency; Rounding conical ring 21 rotating speeds are higher, and the particle of the top discharge mouth by this flash distillation main frame is just less, and user can require regulate arbitrarily according to required material.
The central axis of described rounding conical ring 21 is provided with axle sleeve 23, and this axle sleeve 23 is fixedly linked with described rounding conical ring 21 by a plurality of connecting rods 24; The top of described flash distillation main frame 1 is provided with installing rack 11, and this installing rack 11 is provided with bearing block 12 and is matched with the rotating shaft 13 in this bearing block 12, and the bottom of this rotating shaft 13 and described axle sleeve 23 are fixedly linked; On this installing rack 11, be also provided with the motor 14 coordinating with described rotating shaft 13 transmissions.
The length of adjacent described particle blade 22 is different, is beneficial to improve particle efficiency.
Adopt the discharging opening of a Double-helix feeder 3 to be connected with the feeding mouth of described flash distillation main frame 1, be provided with the disintegrating mechanism 4 for comminuting matter caking in this flash distillation main frame 1, the air intake vent of the bottom of contiguous this flash distillation main frame 1 is connected with heat blower 10 sealings; Described disintegrating mechanism 4 comprises multilayer moving knife 41, the bottom of the bottom of the discharging opening of Double-helix feeder 3 and top layer moving knife is contour, so that bulk materials is from discharging opening when output of Double-helix feeder 3, driven knife is pulverized immediately, has avoided it directly to drop down onto the possibility of described flash distillation main frame 1 bottom.
Described disintegrating mechanism 4 also comprises the broken rotating shaft 42 of the drum type brake tower body bottom center of being located at flash distillation main frame 1, and described moving knife 41 radial distribution are in this fragmentation rotating shaft 42; Described tower body inwall is provided with the quiet cutter 43 that multilayer is crisscross arranged up and down with each layer of moving knife 41 respectively; The quiet cutter 43 of adjacent layer is crisscross arranged up and down.
The discharging opening of described flash distillation main frame 1 is connected with the feeding mouth sealing of a cyclone separator 4, the top outlet inlet of this cyclone separator 4 is connected with the inlet seal of a sack cleaner 5, the top outlet inlet of this sack cleaner 5 is connected with the hot-wind inlet sealing of a heat exchanger 7 through an air-introduced machine 6, the cold air inlet of this heat exchanger 7 is tightly connected through the air outlet of an air blast 8 and a primarily efficient filter 9, and the hot-blast outlet that changes of this heat exchanger 7 is connected with the air intake vent sealing of described heat blower 10.
Embodiment 2
On the basis of embodiment 1, the modification of the described disintegrating mechanism 4 of the present embodiment is as follows:
As Fig. 2, the middle and lower part of described broken rotating shaft 42 is provided with circular cone ring 44, is radially distributed with the moving knife 41 of multilayer on the lateral surface of the middle and upper part of this fragmentation rotating shaft 42 and circular cone ring 44; On the inwall of described tower body, be evenly distributed with multilayer respectively with described circular cone ring 44 on the quiet cutter 43 that is crisscross arranged up and down of each layer of moving knife 41; Neighbouring quiet cutter 43 is crisscross arranged.The top seal of described circular cone ring 44 is connected to the middle and lower part of described broken rotating shaft 42.
Obviously, above-described embodiment is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present utility model extended out or change still among protection domain of the present utility model.
Claims (7)
1. an energy saving expansion drying combines unit, comprise flash distillation main frame, it is characterized in that: the top of this flash distillation main frame is provided with circular discharging opening, this discharging opening is provided with clasfficiator, it is characterized in that, this clasfficiator comprises: free gap is matched with the rounding conical ring on above-mentioned discharging opening, is evenly distributed with a plurality of particle blades on the inwall of this rounding conical ring; Each particle blade is distributed in respectively on the corresponding center vertical plane of this rounding conical ring;
This rounding conical ring with one for driving this inverted cone to coordinate around the driving mechanism transmission of the central axis rotation of this rounding conical ring.
2. energy saving expansion drying combination unit according to claim 1, is characterized in that: the central axis of described rounding conical ring is provided with axle sleeve, and this axle sleeve is fixedly linked by a plurality of connecting rods and described rounding conical ring;
The top of described flash distillation main frame is provided with installing rack, and this installing rack is provided with bearing block and is matched with the rotating shaft in this bearing block, and the bottom of this rotating shaft and described axle sleeve are fixedly linked;
On this installing rack, be also provided with the motor coordinating with described rotating shaft transmission.
3. energy saving expansion drying combination unit according to claim 1, is characterized in that: adjacent described particle blade lengths is different.
4. according to the energy saving expansion drying combination unit one of claim 1-3 Suo Shu, it is characterized in that: the discharging opening of a Double-helix feeder is connected with the feeding mouth of described flash distillation main frame, in this flash distillation main frame, be provided with the disintegrating mechanism for comminuting matter caking, the air intake vent of the bottom of contiguous this flash distillation main frame is connected with a heat blower sealing;
Described disintegrating mechanism comprises multilayer moving knife, and the bottom of the bottom of the discharging opening of Double-helix feeder and top layer moving knife is contour.
5. energy saving expansion drying combination unit according to claim 4, is characterized in that: described disintegrating mechanism comprises the broken rotating shaft of the drum type brake tower body bottom center of being located at flash distillation main frame, and described moving knife radial distribution is in this fragmentation rotating shaft;
Described tower body inwall is provided with the quiet cutter that multilayer is crisscross arranged up and down with each layer of moving knife respectively; The quiet cutter of adjacent layer is crisscross arranged up and down.
6. energy saving expansion drying combination unit according to claim 4, is characterized in that: described disintegrating mechanism comprises the broken rotating shaft of the drum type brake tower body bottom center of being located at flash distillation main frame;
The middle and lower part of described broken rotating shaft is provided with circular cone ring, is radially distributed with the moving knife of multilayer on the lateral surface of the middle and upper part of this fragmentation rotating shaft and circular cone ring;
On the inwall of described tower body, be evenly distributed with multilayer respectively with described circular cone ring on the quiet cutter that is crisscross arranged up and down of each layer of moving knife;
Neighbouring quiet cutter is crisscross arranged.
7. energy saving expansion drying according to claim 1 combines unit, it is characterized in that: the discharging opening of described flash distillation main frame is connected with the feeding mouth sealing of a cyclone separator, the top outlet inlet of this cyclone separator is connected with the inlet seal of a sack cleaner, the top outlet inlet of this sack cleaner is connected with the hot-wind inlet sealing of a heat exchanger through an air-introduced machine, the cold air inlet of this heat exchanger is tightly connected through the air outlet of an air blast and a primarily efficient filter, and the hot-blast outlet that changes of this heat exchanger is connected with the air intake vent sealing of described heat blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324468.1U CN203928599U (en) | 2014-06-17 | 2014-06-17 | Energy saving expansion drying combination unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324468.1U CN203928599U (en) | 2014-06-17 | 2014-06-17 | Energy saving expansion drying combination unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203928599U true CN203928599U (en) | 2014-11-05 |
Family
ID=51824401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420324468.1U Expired - Fee Related CN203928599U (en) | 2014-06-17 | 2014-06-17 | Energy saving expansion drying combination unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203928599U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222334A (en) * | 2015-10-13 | 2016-01-06 | 湖南农业大学 | Screw plate type hot-air furnace and use the rape cyclone type flash dryer of this hot-blast stove |
| CN105222557A (en) * | 2015-10-13 | 2016-01-06 | 湖南农业大学 | Rape cyclone type flash dryer |
| CN106196980A (en) * | 2016-08-15 | 2016-12-07 | 常州力马干燥科技有限公司 | A kind of Rotatingandflashstreamingdrier |
| CN106269148A (en) * | 2015-05-25 | 2017-01-04 | 陆文光 | Crush drying machine and broken, dry, separating one-piece and method of work thereof |
| CN106288727A (en) * | 2016-08-25 | 2017-01-04 | 兴业县智能机械厂 | A kind of automatic tea drying unit |
| CN106813480A (en) * | 2017-02-13 | 2017-06-09 | 陆文光 | Medicinal flash dryer |
| CN107952540A (en) * | 2017-11-10 | 2018-04-24 | 余姚市婉珍五金厂 | A kind of rotary type feed crushes drying unit |
| CN112964038A (en) * | 2021-02-22 | 2021-06-15 | 江苏宇通干燥工程有限公司 | Nanoscale flash evaporation dryer and working method thereof |
| EP3992561A1 (en) * | 2020-10-27 | 2022-05-04 | G. Larsson Starch Technology AB | A flash dryer for drying a product and a method for drying a product in a flash dryer |
-
2014
- 2014-06-17 CN CN201420324468.1U patent/CN203928599U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269148A (en) * | 2015-05-25 | 2017-01-04 | 陆文光 | Crush drying machine and broken, dry, separating one-piece and method of work thereof |
| CN105222334B (en) * | 2015-10-13 | 2017-12-22 | 湖南农业大学 | Screw plate type hot-air furnace and the rape cyclone type flash dryer using the hot-blast stove |
| CN105222557A (en) * | 2015-10-13 | 2016-01-06 | 湖南农业大学 | Rape cyclone type flash dryer |
| CN105222334A (en) * | 2015-10-13 | 2016-01-06 | 湖南农业大学 | Screw plate type hot-air furnace and use the rape cyclone type flash dryer of this hot-blast stove |
| CN106196980A (en) * | 2016-08-15 | 2016-12-07 | 常州力马干燥科技有限公司 | A kind of Rotatingandflashstreamingdrier |
| CN106288727A (en) * | 2016-08-25 | 2017-01-04 | 兴业县智能机械厂 | A kind of automatic tea drying unit |
| CN106288727B (en) * | 2016-08-25 | 2019-03-19 | 兴业县智能机械厂 | A kind of automatic tea drying unit |
| CN106813480A (en) * | 2017-02-13 | 2017-06-09 | 陆文光 | Medicinal flash dryer |
| CN107952540A (en) * | 2017-11-10 | 2018-04-24 | 余姚市婉珍五金厂 | A kind of rotary type feed crushes drying unit |
| CN107952540B (en) * | 2017-11-10 | 2019-06-04 | 南宁扬翔农牧有限公司 | A kind of rotary type feed crushing drying unit |
| EP3992561A1 (en) * | 2020-10-27 | 2022-05-04 | G. Larsson Starch Technology AB | A flash dryer for drying a product and a method for drying a product in a flash dryer |
| WO2022090216A1 (en) * | 2020-10-27 | 2022-05-05 | G. Larsson Starch Technology Ab | A flash dryer for drying a product and a method for drying a product in a flash dryer |
| CN112964038A (en) * | 2021-02-22 | 2021-06-15 | 江苏宇通干燥工程有限公司 | Nanoscale flash evaporation dryer and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203928599U (en) | Energy saving expansion drying combination unit | |
| CN203964623U (en) | The flash distillation main frame of energy saving expansion drying combination unit | |
| CN110479431A (en) | A kind of processing method of lotus root starch | |
| CN205825587U (en) | A kind of Novel drying device | |
| CN205403417U (en) | Calcium hypochlorite flash drying equipment | |
| CN106813480A (en) | Medicinal flash dryer | |
| CN102698835A (en) | Drying and sorting integrated crusher and process | |
| CN104848663B (en) | Cassava starch production equipment and method using three-pass drum and air flow combined drying | |
| CN109226185A (en) | Paint slag recycling system device and its production technology | |
| CN208567454U (en) | A kind of Rotatingandflashstreamingdrier | |
| CN106965349A (en) | A kind of waste or used plastics bottle cap bottle is except mark after-treatment system | |
| CN101762147B (en) | Clay mineral drier | |
| CN206131606U (en) | Fluidized drying viscous material equipment is spouted in rotatory breakage | |
| CN103604285B (en) | A kind of biomass wood flour drying system and biomass wood flour drying means | |
| CN209077416U (en) | Paint slag recycling system device | |
| CN206056200U (en) | Whirlwind flash drier | |
| CN203899176U (en) | Rotating spray drying system | |
| CN202836118U (en) | Novel rotary type flash drying machine | |
| CN102620551B (en) | Air flow dryer with feeding and automatic scattering functions | |
| CN207197173U (en) | A kind of soybean dietary fiber dehydration drying unit | |
| CN106509943A (en) | Dust removal type dry fruit grading dryer | |
| CN206531373U (en) | Anti-sticking wall, anti-caking, it is anti-sink to the bottom, anticlogging medicinal flash dryer | |
| CN208846865U (en) | A kind of flash dryer | |
| CN201589509U (en) | Clay mineral drying device | |
| CN203550450U (en) | Recycling and drying equipment for alkali-deweighting wastewater residues of printing and dyeing industry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20141105 Termination date: 20200617 |