CN109916162A - A kind of drying system of biomass granule fuel - Google Patents
A kind of drying system of biomass granule fuel Download PDFInfo
- Publication number
- CN109916162A CN109916162A CN201910228292.7A CN201910228292A CN109916162A CN 109916162 A CN109916162 A CN 109916162A CN 201910228292 A CN201910228292 A CN 201910228292A CN 109916162 A CN109916162 A CN 109916162A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- biomass granule
- granule fuel
- transportation system
- heat source
- 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.)
- Pending
Links
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of drying systems of biomass granule fuel, and including the cabinet being set in rack, cabinet side is equipped with feed inlet, and the other side is equipped with discharge port；Feed inlet is set on the side wall of cabinet, and discharge port is set to the bottom of box；One charging inclined plate, runs through feed inlet, and low one end is set to the top of transportation system in cabinet；One discharge bucket, set on the lower section of discharge port；Transportation system, is transmitted for belt, and transportation system has cleaning space apart from the bottom of box；It stirs device, set on the top of transportation system, for stirring to transportation system upper surface；Ventilating system, including import air port, air outlet, air inlet are set on the side wall of discharge bucket side；Air inlet is set on the box top wall of feed inlet side；Heating system is connected set on the top for device of stirring with the roof of cabinet.High production efficiency of the present invention, drying effect is good, and safety coefficient is high.
Description
Technical field
The present invention relates to the preparation field of biomass granule fuel, in particular to the dry system of a kind of biomass granule fuel
System.
Background technique
Biomass granule fuel is in production, it is necessary to by screening, drying, just can be carried out granulation.Traditional drying mode
It is to be delivered in drying bucket to be dried by screw conveyor, has a large amount of moisture after drying, it is also necessary to carry out cyclonic separation.
The dry time is long, and equipment is more, takes up a large area, and effect is very unsatisfactory.Such as and make biomass granule fuel when dry, it can
Directly moisture is discharged, reduces drying steps, production efficiency is improved, while ensureing production safety, be the present invention urgently can to
Problem.
Summary of the invention
Goal of the invention: the purpose of the present invention is to solve deficiencies in the prior art, provide a kind of and traditional mode of production work
Skill is compared, and without additional hydrofuge step, can greatly improve the efficiency of production, dry thorough, while security performance also can
The drying system for the biomass granule fuel being protected,.
Technical solution: a kind of drying system of biomass granule fuel, including be set to rack on cabinet,
Cabinet side is equipped with feed inlet, and the other side is equipped with discharge port；Feed inlet is set on the side wall of cabinet, and discharge port is set to
The bottom of box；
One charging inclined plate, runs through feed inlet, and low one end is set to the top of transportation system in cabinet；
One discharge bucket, set on the lower section of discharge port；
Transportation system, is transmitted for belt, and transportation system has cleaning space apart from the bottom of box；
It stirs device, set on the top of transportation system, for stirring to transportation system upper surface；
Ventilating system, including import air port, air outlet, air inlet are set on the side wall of discharge bucket side；Air inlet be set into
On the box top wall of material mouth side；
Heating system is connected set on the top for device of stirring with the roof of cabinet.
A further improvement of the present invention is that device of stirring includes helical fin, rotary shaft, mounting plate, mobile device；Spiral shell
Rotation fin is structure as a whole with rotary shaft, can cross the top in transportation system and move back and forth；Mounting plate is run through at the both ends of rotary shaft,
It is driven by a motor rotation；Mounting plate bottom is fixed on the mobile device；Mobile device includes guide rail and moving parts, and mounting plate is solid
Dingan County fills on the moving part.
A further improvement of the present invention is that mobile device is cylinder, electric cylinders, lead screw, any one in moving trolley.
A further improvement of the present invention is that heating system includes heat source body, temperature probe, smoke sensor device, heat source body,
Temperature probe, smoke sensor device are connect with box top wall；It further include reflector, set on the top of heat source body, reflector is more
Group, reflector, the quantity of heat source body are consistent.
A further improvement of the present invention is that heat source body includes infrared lamp and microwave heat source, infrared lamp and micro-
The setting of wave heat source interval.
A further improvement of the present invention is that being fixedly installed with water pipe on cabinet；Water pipe is set to the front-rear side walls of cabinet
Top；Air outlet is connected with condenser, and condenser is connected with water pipe, water pump, valve is equipped between condenser and water pipe, on water pipe
Level is equipped with multiple spray heads.
A further improvement of the present invention is that air inlet is connected by pipeline with hot-blast stove.
A further improvement of the present invention is that cabinet is on the front-rear side walls of bottom, at least provided with a maintenance door.
A further improvement of the present invention is that the discharge outlet of the top of discharge bucket, cabinet is equipped with a pair of of guide inclined plate, one
Guide inclined plate is respectively arranged on the side wall of the cabinet below air outlet and on the bracket of transportation system bottom.
Compared with prior art, the drying system of a kind of biomass granule fuel provided by the invention, at least realize as
Under the utility model has the advantages that
1, it stirs the setting of device, ceaselessly biomass granule fuel can be stirred, increased in transportation system
The contact area of biomass granule fuel and air improves dry efficiency；
2, the collective effect of heating system and ventilating system makes box house hot-air have mobility, is conducive to life
Comprehensive drying of material grains fuel；
3, transportation system has cleaning space apart from the bottom of box, convenient for carrying out periodic cleaning to box house, in order to avoid cause
Long-term buildup, clean hygiene in cabinet；
4, it stirs the setting of helical fin on device, stirs that effect is good, and material is easy to get；
5, the setting of mobile device is able to drive helical fin and back and forth runs in transportation system, realizes to transportation system
On biomass granule fuel high-frequency stir, substantially increase dry speed；
6, temperature probe in heating system, smoke sensor device be to setting, can situation real-time monitoring to box house, mention
High security reliability；
7, the biomass granule fuel in all orientation can be all radiated, broad covered area setting by reflector, dry
Effect is good；
8, infrared lamp and the setting of microwave heat source interval carry out from inside to outside complete to mobile biomass granule fuel
Orientation heating, drying effect are good；
9, the setting of water pipe further ensures whole security reliability；
10, air inlet is connected by pipeline with hot-blast stove, and drying effect is good；
11, the setting of maintenance door is not only convenient for cleaning, and is also convenient for overhauling, and improves whole security reliability.
Certainly, not specific needs are implemented any of the products of the present invention while reaching all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the structural diagram of the present invention；
Wherein, 1- cabinet；2- feeds inclined plate；3- discharge bucket；4- transportation system；5- stirs device；6- ventilating system；7- adds
Hot systems；8- water pipe；9- condenser；10- guide inclined plate；51- helical fin；52- rotary shaft；53- mounting plate；The mobile dress of 54-
It sets；71- heat source body；72- temperature probe；73- smoke sensor device；74- reflector；
Specific embodiment
The existing various exemplary embodiments of detailed description of the present invention.It should also be noted that unless specifically stated otherwise, otherwise at this
Component described in a little embodiments and the positioned opposite of step, numerical expression and numerical value do not limit the scope of the invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or use appoint and limitation.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, appoint and occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
Embodiment 1,
As shown in Figure 1, a kind of drying system of biomass granule fuel, including the cabinet 1 being set in rack,
1 side of cabinet is equipped with feed inlet, and the other side is equipped with discharge port；Feed inlet is set on the side wall of cabinet 1, and discharge port is set
In 1 bottom of cabinet；
One charging inclined plate 2, runs through feed inlet, and low one end is set to the top of transportation system 4 in cabinet 1；
One discharge bucket 3, set on the lower section of discharge port；
Transportation system 4, is transmitted for belt, and transportation system 4 has cleaning space apart from the bottom of box；
It stirs device 5, set on the top of transportation system 4, for stirring to transportation system upper surface；
Ventilating system 6, including import air port, air outlet, air inlet are set on the side wall of 3 side of discharge bucket；Air inlet is set to
On 1 roof of cabinet of feed inlet side；
Heating system 7 is connected set on the top for device 5 of stirring with the roof of cabinet 1.
Based on the above embodiment, biomass granule fuel is conveyed by transportation system 4,5 pairs of biologies of device of stirring
Matter granular fuel is stirred, and is increased the contact area of biomass granule fuel and air in transportation system 4, is improved drying
Efficiency；By the collective effect of heating system 7 and ventilating system 6, make box house hot-air that there is mobility, is conducive to pair
Comprehensive drying of biomass granule fuel.Transportation system 4 has cleaning space apart from the bottom of box, convenient for carrying out inside cabinet 1
Periodic cleaning, in order to avoid cause long-term buildup in cabinet 1.
A further improvement of the present invention is that device 5 of stirring includes helical fin 51, rotary shaft 52, mounting plate 53, movement
Device 54；Helical fin 51 is structure as a whole with rotary shaft 52, can cross the top in transportation system 4 and move back and forth；Rotary shaft 52
Both ends run through mounting plate 53, be driven by a motor rotation；53 bottom of mounting plate is fixed in mobile device 54；Mobile device 54 is wrapped
Guide rail and moving parts are included, mounting plate 53 is fixedly mounted on the moving part.It stirs by 51 Duis of helical fin, so that biomass
The contact surface of granular fuel and air increases, and can have been stirred the biomass granule fuel being covered in transportation system
Come, accelerates dry speed, keep drying effect more thorough.Mobile device 54 is able to drive helical fin 51 in transportation system 4
The biomass granule fuel high-frequency in transportation system 4 is stirred in upper reciprocal operation, realization, substantially increases dry speed.
A further improvement of the present invention is that mobile device 54 is cylinder, any one in electric cylinders, lead screw, moving trolley
Kind.
A further improvement of the present invention is that heating system 7 includes heat source body 71, temperature probe 72, smoke sensor device 73,
Heat source body 71, temperature probe 72, smoke sensor device 73 are connect with 1 roof of cabinet；Further include reflector 74, is set to heat source body 71
Top, reflector 74 be multiple groups, reflector 74, the quantity of heat source body 71 are consistent.Temperature probe 72, smoke sensor device 73 can
To the situation real-time monitoring inside cabinet 1, security reliability is improved.In addition, reflector 74 by symmetrically reflect inclined plate and
The biomass granule fuel in all orientation, can all be radiated, covering surface by the connecting plate composition of a pair of of reflection inclined plate of connection
Extensively, drying effect is good.
A further improvement of the present invention is that heat source body 71 include infrared lamp and microwave heat source, infrared lamp and
The setting of microwave heat source interval.By staggered setting, to mobile biomass granule fuel carry out from inside to outside comprehensive plus
Heat, drying effect are good.
A further improvement of the present invention is that being fixedly installed with water pipe 8 on cabinet 1；Water pipe 8 is set to the front and back side of cabinet 1
The top of wall；Air outlet is connected with condenser 9, and condenser 9 is connected with water pipe 8, and water pump, valve are equipped between condenser 9 and water pipe 8
, it is horizontal on water pipe 8 to be equipped with multiple spray heads.Water in condenser 9 is largely sent to water tank, when monitoring unusual condition,
Condenser 9 is fixed on to the top position of cabinet 1, using siphon principle, i.e. the effect force phenomenon of the high difference of liquid level, opens valve
Water is sent to water pipe 8, is sprayed via the spray head on water pipe 8.In the case of worse, big wet spray is needed, then
By water pump, water is endlessly sent.Certainly, water pipe 8 can also be connected by water pump in water tank.General abnormality occurs general
Rate is lower, and the water in condenser 9 is fully able to ensure the safety in entire cabinet 1.
A further improvement of the present invention is that air inlet is connected by pipeline with hot-blast stove, compared with natural wind, more favorably
In the drying of biomass granule fuel.
A further improvement of the present invention is that cabinet 1 is on the front-rear side walls of bottom, at least provided with a maintenance door,
Convenient for being cleaned to transportation system 4 apart from the bottom of box, convenient for carrying out installation and repairing, renewal part to heating system 7.
A further improvement of the present invention is that the discharge outlet of the top of discharge bucket 3, cabinet 1 is equipped with a pair of of guide inclined plate
10, a pair of of guide inclined plate 10 is respectively arranged on the side wall of the cabinet 1 below air outlet and on the bracket of 4 bottom of transportation system,
Be conducive to discharge.Wherein, the guide inclined plate 10 of 4 side of transportation system is set to the lower section of conveyer belt.
Through the foregoing embodiment it is found that a kind of drying system of biomass granule fuel provided by the invention, is at least realized
It is following the utility model has the advantages that
1, it stirs the setting of device 5, ceaselessly biomass granule fuel can be stirred, increase transportation system 4
The contact area of upper biomass granule fuel and air improves dry efficiency；
2, the collective effect of heating system 7 and ventilating system 6 makes box house hot-air have mobility, is conducive to pair
Comprehensive drying of biomass granule fuel；
3, transportation system 4 has cleaning space apart from the bottom of box, convenient for carrying out periodic cleaning, Yi Mianzao inside cabinet 1
At long-term buildup in cabinet 1, clean hygiene；
4, it stirs the setting of helical fin 51 on device 5, stirs that effect is good, and material is easy to get；
5, the setting of mobile device 54 is able to drive helical fin 51 and back and forth runs in transportation system 4, realizes to conveying
Biomass granule fuel high-frequency in system 4 is stirred, and dry speed is substantially increased；
6, temperature probe 72,73 pairs of smoke sensor device settings in heating system 7, can be real-time to the situation inside cabinet 1
Monitoring, improves security reliability；
7, the biomass granule fuel in all orientation, can all be radiated, broad covered area by 74 pairs of reflector settings, do
Dry effect is good；
8, infrared lamp and the setting of microwave heat source interval carry out from inside to outside complete to mobile biomass granule fuel
Orientation heating, drying effect are good；
9, the setting of water pipe 8 further ensures whole security reliability；
10, air inlet is connected by pipeline with hot-blast stove, and drying effect is good；
11, the setting of maintenance door is not only convenient for cleaning, and is also convenient for overhauling, and improves whole security reliability.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (9)
1. a kind of drying system of biomass granule fuel, which is characterized in that including be set to rack on cabinet (1),
Cabinet (1) side is equipped with feed inlet, and the other side is equipped with discharge port；The feed inlet is set on the side wall of cabinet (1),
The discharge port is set to cabinet (1) bottom；
One charging inclined plate (2) runs through the feed inlet, and low one end is set to the top of cabinet (1) interior transportation system (4)；
One discharge bucket (3), set on the lower section of the discharge port；
The transportation system (4), transmits for belt, and the transportation system (4) has cleaning space apart from the bottom of box；
It stirs device (5), the top of the transportation system (4) is set to, for stirring to transportation system upper surface；
Ventilating system (6), including import air port, air outlet, the air inlet are set on the side wall of the discharge bucket (3) side；Institute
Air inlet is stated on cabinet (1) roof of the feed inlet side；
Heating system (7) is connected set on the top of the device of stirring (5) with the roof of cabinet (1).
2. a kind of drying system of biomass granule fuel according to claim 1, which is characterized in that the device of stirring
It (5) include helical fin (51), rotary shaft (52), mounting plate (53), mobile device (54)；
The helical fin (51) is structure as a whole with rotary shaft (52), can cross and back and forth transport in the top of the transportation system (4)
It is dynamic；
Mounting plate (53) are run through at the both ends of the rotary shaft (52), are driven by a motor rotation；
Mounting plate (53) bottom is fixed on mobile device (54)；
The mobile device (54) includes guide rail and moving parts, and the mounting plate (53) is fixedly mounted on the moving part.
3. a kind of drying system of biomass granule fuel according to claim 2, which is characterized in that
The mobile device (54) is cylinder, electric cylinders, lead screw, any one in moving trolley.
4. a kind of drying system of biomass granule fuel according to claim 1, which is characterized in that
The heating system (7) includes heat source body (71), temperature probe (72), smoke sensor device (73), the heat source body (71),
Temperature probe (72), smoke sensor device (73) are connect with the cabinet (1) roof；
Further include reflector (74), be set to the top of the heat source body (71), the reflector (74) is multiple groups, the reflector
(74), the quantity of heat source body (71) is consistent.
5. a kind of drying system of biomass granule fuel according to claim 4, which is characterized in that
The heat source body (71) includes infrared lamp and microwave heat source, and the infrared lamp and microwave heat source interval are arranged.
6. a kind of drying system of biomass granule fuel according to claim 4, which is characterized in that
Water pipe (8) are fixedly installed on the cabinet (1)；The water pipe (8) is set to the top of the front-rear side walls of cabinet (1)；
The air outlet is connected with condenser (9), and the condenser (9) is connected with water pipe (8), the condenser (9) and water pipe
(8) water pump, valve are equipped between, level is equipped with multiple spray heads on the water pipe (8).
7. a kind of drying system of biomass granule fuel according to claim 1, which is characterized in that the air inlet is logical
Piping is connected with hot-blast stove.
8. a kind of drying system of biomass granule fuel according to claim 1, which is characterized in that the cabinet (1)
On the front-rear side walls of bottom, at least provided with a maintenance door.
9. a kind of drying system of biomass granule fuel according to claim 1, which is characterized in that the discharge bucket
(3) discharge outlet of top, the cabinet (1) is equipped with a pair of of guide inclined plate (10), and a pair of guide inclined plate (10) is respectively
On the side wall of cabinet (1) below the air outlet and on the bracket of the transportation system (4) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228292.7A CN109916162A (en) | 2019-03-25 | 2019-03-25 | A kind of drying system of biomass granule fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228292.7A CN109916162A (en) | 2019-03-25 | 2019-03-25 | A kind of drying system of biomass granule fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109916162A true CN109916162A (en) | 2019-06-21 |
Family
ID=66966655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910228292.7A Pending CN109916162A (en) | 2019-03-25 | 2019-03-25 | A kind of drying system of biomass granule fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109916162A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567259A (en) * | 2019-08-06 | 2019-12-13 | 来剑锋 | Drying device and production method of organic fertilizer |
| CN112325619A (en) * | 2020-10-13 | 2021-02-05 | 西安交通大学城市学院 | Heat pump microwave drying device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175680Y (en) * | 1993-12-04 | 1994-08-31 | 梅州市梅江嘉应橡塑厂 | Desulfurating device for waste rubber |
| CN101973792A (en) * | 2010-09-29 | 2011-02-16 | 王焕坤 | Flywheel type energy-saving turning and throwing machine |
| CN104482742A (en) * | 2014-10-31 | 2015-04-01 | 闵公发 | Fuel drying device used for direct combustion biomass power station |
| CN206131685U (en) * | 2016-10-27 | 2017-04-26 | 蒋华琛 | Indoor seasoning device for construction |
| CN206593431U (en) * | 2017-03-24 | 2017-10-27 | 民勤县隆丰工贸有限公司 | A kind of stirring type drying machine |
| CN206994394U (en) * | 2017-06-30 | 2018-02-13 | 红塔烟草(集团)有限责任公司 | A kind of quick grilling apparatus of blue or green cigarette |
| CN109013479A (en) * | 2018-07-24 | 2018-12-18 | 杨何应 | A kind of power reciprocating formula cobblestone cleaning device based on pressure flush |
| JP2019027599A (en) * | 2017-07-25 | 2019-02-21 | 株式会社西原環境 | Dehumidification dryer |
-
2019
- 2019-03-25 CN CN201910228292.7A patent/CN109916162A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175680Y (en) * | 1993-12-04 | 1994-08-31 | 梅州市梅江嘉应橡塑厂 | Desulfurating device for waste rubber |
| CN101973792A (en) * | 2010-09-29 | 2011-02-16 | 王焕坤 | Flywheel type energy-saving turning and throwing machine |
| CN104482742A (en) * | 2014-10-31 | 2015-04-01 | 闵公发 | Fuel drying device used for direct combustion biomass power station |
| CN206131685U (en) * | 2016-10-27 | 2017-04-26 | 蒋华琛 | Indoor seasoning device for construction |
| CN206593431U (en) * | 2017-03-24 | 2017-10-27 | 民勤县隆丰工贸有限公司 | A kind of stirring type drying machine |
| CN206994394U (en) * | 2017-06-30 | 2018-02-13 | 红塔烟草(集团)有限责任公司 | A kind of quick grilling apparatus of blue or green cigarette |
| JP2019027599A (en) * | 2017-07-25 | 2019-02-21 | 株式会社西原環境 | Dehumidification dryer |
| CN109013479A (en) * | 2018-07-24 | 2018-12-18 | 杨何应 | A kind of power reciprocating formula cobblestone cleaning device based on pressure flush |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567259A (en) * | 2019-08-06 | 2019-12-13 | 来剑锋 | Drying device and production method of organic fertilizer |
| CN112325619A (en) * | 2020-10-13 | 2021-02-05 | 西安交通大学城市学院 | Heat pump microwave drying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109916162A (en) | A kind of drying system of biomass granule fuel | |
| CN207770370U (en) | A kind of Chinese medicinal material clearing and drying device | |
| CN210242271U (en) | Ceramic quick drying device | |
| CN208757852U (en) | A kind of cement encaustic tile spray drying equipment | |
| CN208704390U (en) | A kind of spray drying system | |
| CN208205718U (en) | A kind of tunnel drier | |
| CN201314773Y (en) | Drying unit for high-wetness viscous material | |
| CN209558782U (en) | HighefficientFluidbeddrier | |
| CN218049037U (en) | Anti-condensation device of cement mill powder concentrator | |
| CN201496984U (en) | Uniform heating scraper conveyor dryer for biomass power generation | |
| CN216204693U (en) | Efficient drying mechanism for down products | |
| CN207657036U (en) | Vulcanize heater wire | |
| CN110433510A (en) | A kind of New Type of Sewage Treatment System | |
| CN203837451U (en) | High-humidity biomass slag dryer | |
| CN109520267A (en) | A kind of air hot-fluid continuous drying machine | |
| CN108534531A (en) | A kind of spray drying system | |
| CN204987768U (en) | Dry microwave equipment of multilayer rotation medicine | |
| CN207570198U (en) | A kind of environment-friendly type pharmaceutical purpose boiling drier | |
| CN210230544U (en) | Novel oil special pipeline coating is dried device | |
| CN210036129U (en) | Efficient hopper dryer with sufficient drying function | |
| CN208091123U (en) | A kind of drying equipment for Chemical Manufacture | |
| CN207487361U (en) | Electric automatization wet feed dryer | |
| CN209205637U (en) | A kind of bumper painting device | |
| CN208779831U (en) | Hot-blast pipe line system and horizontal drying machine | |
| CN203048033U (en) | Heat-preservation-type anti-blocking spiral conveyer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190621 |
|
| RJ01 | Rejection of invention patent application after publication |