CN201397020Y - Large Roller Conveyor Horizontal and Vertical Mixed Airflow Dryer - Google Patents
Large Roller Conveyor Horizontal and Vertical Mixed Airflow Dryer Download PDFInfo
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- CN201397020Y CN201397020Y CN200920025279.3U CN200920025279U CN201397020Y CN 201397020 Y CN201397020 Y CN 201397020Y CN 200920025279 U CN200920025279 U CN 200920025279U CN 201397020 Y CN201397020 Y CN 201397020Y
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- 238000001035 drying Methods 0.000 claims abstract description 82
- 230000007704 transition Effects 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims 9
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 17
- 238000002347 injection Methods 0.000 abstract description 17
- 239000007924 injection Substances 0.000 abstract description 17
- 239000002912 waste gas Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 40
- 230000033001 locomotion Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 208000011580 syndromic disease Diseases 0.000 description 4
- 239000004566 building material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000132536 Cirsium Species 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 206010057175 Mass conditions Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
本实用新型公开了一种大型辊道传输式横纵向混合气流干燥机。它具有热效率高、干燥质量好、占地面积较小、能耗较低等特点。其结构为：它包括辊道式干燥机，其封闭干燥段分为横向干燥段和纵向干燥段；横向干燥段和纵向干燥段之间采用过渡节联接，并由金属帘密封；横向干燥段采用横向喷吹的对流换热方式，纵向干燥段采用平行流的对流换热方式，分别完成干燥过程的不同阶段；废气回收装置与横向干燥段连接，将废气送入换热装置，同时换热装置还与新鲜风送风装置连接，换热后的新鲜风分别送入横向干燥段和纵向干燥段；纵向干燥段的小部分废气经烟道直接排入大气，大部分仍继续循环利用。
The utility model discloses a large-scale roller table transmission type horizontal and vertical mixed air flow dryer. It has the characteristics of high thermal efficiency, good drying quality, small footprint and low energy consumption. Its structure is as follows: it includes a roller dryer, and its closed drying section is divided into a horizontal drying section and a vertical drying section; the horizontal drying section and the vertical drying section are connected by a transition joint and sealed by a metal curtain; the horizontal drying section uses The convective heat exchange method of horizontal injection, the parallel flow convective heat exchange method is adopted in the vertical drying section, and different stages of the drying process are completed respectively; the waste gas recovery device is connected with the horizontal drying section, and the waste gas is sent to the heat exchange device, and the heat exchange device It is also connected with the fresh air supply device, and the fresh air after heat exchange is sent to the horizontal drying section and the vertical drying section respectively; a small part of the exhaust gas in the vertical drying section is directly discharged into the atmosphere through the flue, and most of it continues to be recycled.
Description
Technical field
The utility model relates to a kind of drying equipment, relates in particular to a kind of building material that is used for, environmental protection, field sheet materials such as timber, weaving, paper, drying textile large-scale roller table convey type transverse and longitudinal mixed air flow dryer.
Background technology
Be used for the building material product at present, as: the drying machine of sheet material dryings such as Thistle board, mineral wool abatvoix, by the relative direction of its cyclic drying air-flow and sheet material throughput direction, mainly be divided into two types in traverse cycle pneumatic drier and vertical circulating current drying machine." vertically circulating current " drying machine (hereinafter being called for short vertical drying machine) generally is divided into 2～3 circulation sections in the longitudinal direction, and in each circulation section, recirculated hot air flows to parallel by the oven dry sheet material direction of motion, is in the same way or reverse flow.Usually at first circulation section, the hot flue gas and the sheet material direction of motion are reflux type, adopt concurrent at other dry section.The present vertically technology of drying machine comparative maturity disposes simplyr, and one-time investment is little, and circulating fan quantity is few.But there are many shortcomings simultaneously, as: equipment volume is big; Because of the division of control section is few, the heat and mass condition is poor, and the sheet material dry mass is difficult for guaranteeing that the thermal efficiency is low, energy consumption is more high." traverse cycle air-flow " drying machine (hereinafter being called for short horizontal drying machine), can be divided into 10～30 dry sections in the longitudinal direction, the length of each dry section is shorter, each section is the configuration cycles blower fan respectively, and the hot air circulate direction is " ten " word cross-like with the quilt oven dry sheet material direction of motion, and thermal current is vertically jetted to quilt oven dry plate surface by the some injection holes on the winding-up pipe.Laterally drying machine is pressed the product drying technological requirement, can be divided into preheating zone, heating zone, dry section, and each dry section can be adjusted separately gas flow temperature and flow according to the actual drying arts demand.Laterally drying machine has thermal efficiency height, convection heat transfer intensity is big, floor space is few, the sheet material dry mass is good, plurality of advantages such as energy consumption is low, but at the sheet material the later stage of drying, because of material is in falling rate drying period, desired dry tenacity and heat exchange amount are all less, so at the later stage of drying burn-off phenomenon takes place easily, and because of the blower fan quantity that is provided with is many, energy consumption is higher, blower fan and heat exchanger can not be brought into play due effect, have very big energy waste phenomenon.
The drying machine that is used for dry sheet material can be divided into roller bed type and two kinds of forms of tunnel type again according to the mode of movement of sheet material, and the roller bed type drying machine has thermal efficiency height, the investment of unit overall time rationally, advantages such as good product quality.The canal drier one-time investment is less slightly, but the thermal efficiency is lower.Sheet material drying machine at present commonly used is the roller bed type drying machine, by open wide advance the plate end and ejecting plate end and sealing hothouse main body etc. are formed.Hothouse inside is multilayer roller-way structure, according to the output difference, can be designed to 6,8,10,12 layers.
The utility model content
The purpose of this utility model is exactly in order to solve the deficiency that above-mentioned horizontal drying machine and vertical drying machine exist respectively, a kind of large-scale roller table convey type transverse and longitudinal mixed air flow dryer is provided, promptly at the drying machine leading portion, adopt the traverse cycle dry air-flow process, increase dry tenacity, quicken the evaporation of moisture, obtain the higher thermal efficiency; The drying machine back segment adopts vertical circulating current technology, realizes the final evaporate to dryness and the moulding of sheet material residual moisture.This is equipped horizontal, vertical drying process rational Application in the different phase of sheet material dry run, in conjunction with both advantages, avoid shortcoming separately, both solve the deficiency that vertical drying machine dry mass is poor, floor space is big, energy consumption is high, also overcome simultaneously horizontal drying machine in the easy burning of the later stage of drying and cause shortcomings such as energy waste is serious.This equipment has characteristics such as thermal efficiency height, dry mass is good, floor space is less, energy consumption is lower.
For achieving the above object, the utility model adopts following technical scheme:
A kind of large-scale roller table convey type transverse and longitudinal mixed air flow dryer, it comprises the roller bed type drying machine, its sealing dryer section is divided into horizontal dryer section and vertical dryer section; Laterally adopt transition segment to connect between dryer section and the vertical dryer section, and seal by the metal curtain; Laterally dryer section adopts the laterally heat convection mode of winding-up, and vertically dryer section adopts the heat convection mode of concurrent flow, finishes the different phase of dry run respectively; Waste gas recovering device is connected with horizontal dryer section, and waste gas is sent into heat-exchanger rig, and heat-exchanger rig also is connected with fresh wind air-supply arrangement simultaneously, and the fresh wind after the heat exchange is sent into horizontal dryer section and vertical dryer section respectively; Vertically the fraction waste gas of dryer section directly enters atmosphere through flue, and major part still continues recycling.
Described horizontal dryer section comprises at least one traversing section circulating fan and at least one traversing section heat exchanger; Be provided with at least one winding-up pipe at each layer by at least one side of oven dry sheet material, the winding-up pipe is provided with several injection holes, and the winding-up pipe is arranged perpendicular to the sheet material throughput direction that is dried; The winding-up pipe is installed on the fixed head, regulates itself and the distance of being dried sheet material by regulating bolt.
The upper and lower surface of the described sheet material that is dried is equipped with the winding-up pipe, and the winding-up pipe is connected with fixed head by support; The injection hole diameter is 6-12mm; The inlet end of whole winding-up pipe dwindles gradually to the tail end caliber and is taper.
Described horizontal dryer section is divided into preheating zone, heating zone and dry section, and the air quantity and the wind-warm syndrome in each district are controlled separately.
Described vertical dryer section comprises at least one vertically section circulating fan, and at least one is the section heat exchanger vertically, and vertically the section heat exchanger is connected with corresponding winding-up joint; Recirculated hot air with by the oven dry sheet material direction of motion on same straight line, in the same way or reverse flow.
Be provided with the multilayer rollgang in the described roller bed type drying machine, variable-frequency motor and helical speed reduction gear are connected with minor sprocket on each roller-way by balancing weight tightener sprocket roller chain as drive unit; Simultaneously the roller bed type drying machine advance the plate section and the ejecting plate section is respectively equipped with plate velocity modulation engagement positions.
Large-scale roller table convey type transverse and longitudinal mixed air flow dryer of the present utility model mainly is made up of unit such as advancing plate section, sealing dryer section, ejecting plate section, transmission device, tensioning apparatus, lubricating arrangement.Wherein seal dryer section and be divided into horizontal dry section and vertical dry section again.Adopt transition segment to connect between the transverse and longitudinal dryer section, transition segment is connected into an integral body to transverse and longitudinal, adopts the sealing of metal curtain between the transverse and longitudinal, and assurance transverse and longitudinal dryer section air-flow is not ganged up.Laterally dryer section adopts the laterally heat convection mode of winding-up, and vertically dryer section adopts the heat convection mode of concurrent flow, finishes the different phase of dry run respectively.
The waste gas of being collected by the air and the waste gas air-introduced machine of fresh wind air blast introducing carries out heat exchange in plate type heat exchanger, the fresh hot blast of generation is assigned in each section of drying machine traversing section and vertical section by pipeline.The fresh hot blast that enters traversing section mixes with the dried humid gas that contains of part under the effect of traversing section circulating fan, uniform distribution enters into each layer of traversing section after the heat exchanger heating, by the injection hole ejection on the winding-up pipe, treat the upper and lower surface of dry sheet material and carry out drying, the dried humid gas that contains is under the effect of circulating fan, a part is discharged dry section, by the discharging after heat exchanger is handled of exhaust gas fan centralized collection.Most of fresh hot blast with introducing comes back in the pipeline recycling after circulating fan enters the heat exchanger heat exchange.Traversing section adopts the traverse cycle dry air-flow process, and its hot air circulate direction is " cross " cross-like with the quilt oven dry sheet material direction of motion, and thermal current is vertically jetted to quilt oven dry plate surface by injection hole.Traversing section is pressed the product drying technological requirement, can be divided into preheating zone, heating zone, dry section, and the air quantity in every district and wind-warm syndrome all can realize independent control.
In traversing section, be equipped with the winding-up pipe on the two sides of sheet material to be dried, the vertical sheet material throughput direction of winding-up pipe is arranged.On the winding-up pipe a series of diameters of arranging at a certain distance being arranged is the injection hole of 6～12mm, and the horizontal gas flow in the winding-up pipe changes into the air-flow perpendicular to the plate face behind injection hole, the plate face is vertically jetted, and dry tenacity can improve more than 4 times.According to the technology difference, injection hole can be adjusted by the adjusting bolt at winding-up pipe two ends with the distance apart from the plate face, winding-up pipe caliber dwindles to winding-up pipe afterbody gradually along inlet end, and the caliber of variation can be offset along the pressure drop on the winding-up length of tube direction, makes winding-up gas speed keep constant.
Vertically section adopts the longitudinal air flow drying process, recirculated hot air flow to by the oven dry sheet material direction of motion on same straight line, in the same way or reverse flow.The fresh wind that enters vertical section boosts through circulating fan,, enters in the hothouse by the winding-up joint after the heat exchanger heat exchange with the dried humid gas that contains of part, treats dry sheet material and slightly evaporate in hothouse, sloughs remaining 15% left and right sides moisture.The waste gas fraction of producing in the dry run directly is discharged in the atmosphere through flue, and most of fresh hot blast with introducing comes back in the pipeline recycling after circulating fan enters the heat exchanger heat exchange.
Each of drying machine layer rollgang transmission adopted a variable-frequency motor to add helical speed reduction gear and driven, and balancing weight tightener sprocket roller chain drives drives by chain that minor sprocket makes each roller at the uniform velocity on each roller, the operation that acts in agreement, thus reduce impact to sheet material.Advance the plate section and can adjust the into speed of plate, make it satisfy into dryer section time requirement before.The ejecting plate section can be adjusted ejecting plate speed, satisfies the requirement of ejecting plate in batches.
The beneficial effects of the utility model:
1, this large-scale table convey type transverse and longitudinal mixed air flow dryer adopts the roller-way mode of movement, and dryer inner is a multilayer roller-way structure, according to the output difference, can be designed to 6,8,10,12 layers.Dryer section adopts traverse cycle pneumatic conveying drying and the dry process combined of vertical circulating current.That is: dryer section leading portion (traversing section) adopts the traverse cycle dry air-flow process, and back segment (vertically section) adopts vertical circulating current drying process.
2, traversing section adopts the traverse cycle dry air-flow process, increases dry tenacity, improves the thermal efficiency, and energy-saving effect is remarkable, and occupation area of equipment is little, and total length only is 70% of the vertical drying equipment of same production capacity.Product drying is effective, the yield rate height.
3, traversing section is pressed the product drying technological requirement, can be divided into preheating zone, heating zone, dry section, the dry air quantity and the dry wind-warm syndrome in each zone all can realize independent control, satisfy the dry requirement of sheet material at different drying stages, help guaranteeing the dry mass of sheet material.
4, vertically section adopts the longitudinal air flow drying process, can adapt to the low requirement of the later stage of drying deceleration drying section dry tenacity well, has both avoided burn-off phenomenon, has guaranteed dry mass, has reduced power consumption again, has reached energy-saving effect.
5, this equipment operation process stability better to the sheet material of different-thickness, can be adjusted suitable drying process parameter according to different preorder technology and shaping speeds, can adapt to the dry requirement of different plates width, sheet metal thickness and sheet material water content.
6, according to the needs of drying process, injection hole is adjusted by regulating bolt apart from the distance of plate face.
7, winding-up pipe caliber size is dwindled to winding-up pipe afterbody gradually along inlet end, and the caliber of variation can be offset along the pressure drop on the winding-up length of tube direction, makes winding-up gas speed keep constant.
8, adopt the sealing of metal curtain between the transverse and longitudinal, assurance transverse and longitudinal dryer section air-flow is not ganged up, and can finish different dry runs respectively.
Description of drawings
Fig. 1 is a transverse and longitudinal mixed airflow drying machine process chart;
Fig. 2 is a horizontal dry gas stream circulation schematic diagram of the present utility model;
Fig. 3 is a winding-up pipe schematic diagram of the present utility model;
Fig. 4 is an injection hole distribution schematic diagram of the present utility model;
Fig. 5 is vertical dry gas stream circulation schematic diagram of the present utility model.
Wherein, 1. horizontal dryer section, 2. transition segment, 3. vertical dryer section, 4. fresh wind air blast, 5. waste gas air-introduced machine, 6. plate type heat exchanger, 7. fresh hot blast, 8. flue, 9. the traversing section circulating fan 10. contains humid gas, 11. traversing section heat exchangers, 12. the winding-up pipe, 13. hot air circulate directions, 14. by oven dry sheet material, 15. injection holes, 16. the adjusting bolt, 17. recirculated hot airs, 18. vertical sections circulating fans, 19. vertical heat exchangers, 20. the winding-up joint, 21. frames, 22. fixed heads
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, this large-scale table convey type transverse and longitudinal mixed air flow dryer adopts the mode of movement of roller bed type, and equipment mainly is made up of unit such as advancing plate section, sealing dryer section, ejecting plate section, transmission device, tensioning apparatus, lubricating arrangement.Wherein seal dryer section and be divided into horizontal dryer section 1 and vertical dryer section 3 again.Employing transition segment 2 connects between the transverse and longitudinal dryer section, and transition segment 2 is in aggregates the transverse and longitudinal series connection, adopts the sealing of metal curtain between the transverse and longitudinal, and assurance transverse and longitudinal dryer section air-flow is not ganged up.Laterally dryer section 1 adopts the laterally heat convection mode of winding-up, and vertically dryer section 3 adopts the heat convection mode of concurrent flow, finishes the different phase of dry run respectively.
Among Fig. 2, the waste gas of being collected by the air and the waste gas air-introduced machine 5 of fresh wind air blast 4 introducings carries out heat exchange in plate type heat exchanger 6, and the fresh hot blast 7 of generation is assigned in each section of horizontal dryer section 1 and vertical dryer section 3 by pipeline.The fresh hot blast 7 that enters horizontal dryer section 1 mixes with the dried humid gas 10 that contains of part under the effect of traversing section circulating fan 9, uniform distribution enters into horizontal dryer section 1 each layer after 11 heating of traversing section heat exchanger, by 15 ejections of the injection hole on the winding-up pipe 12, to being carried out drying by the upper and lower surface of oven dry sheet material 14, the dried humid gas 10 that contains is under the effect of traversing section circulating fan 9, a part is discharged dry section, by the discharging after plate type heat exchanger 6 is handled of waste gas air-introduced machine 5 centralized collection.Most of fresh hot blast 7 with introducing comes back in the pipeline recycling after traversing section circulating fan 9 enters 11 heat exchange of traversing section heat exchanger.Horizontal dryer section 1 adopts the traverse cycle dry air-flow process, and its hot air circulate direction 13 is " cross " cross-like with quilt oven dry sheet material 14 directions of motion, and thermal current is vertically jetted to quilt oven dry sheet material 14 surfaces by injection hole 15.Traversing section is pressed the product drying technological requirement, can be divided into preheating zone, heating zone, dry section, and the air quantity in every district and wind-warm syndrome all can realize independent control.
Among Fig. 3, Fig. 4, in traversing section, be equipped with winding-up pipe 12 by the two sides of oven dry sheet material 14, winding-up pipe 12 is connected with fixed head 22 by frame 21.Winding-up pipe 12 vertical sheet material throughput directions are arranged.On the winding-up pipe 12 a series of diameters of arranging at a certain distance being arranged is the injection hole 15 of 6～12mm, and the horizontal gas flow in the winding-up pipe 12 changes into the air-flow perpendicular to the plate face behind injection hole 15, the plate face is vertically jetted, and dry tenacity can improve more than 4 times.According to the technology difference, injection hole 15 can be adjusted by the adjusting bolt 16 at winding-up pipe 12 two ends with the distance of plate face, winding-up pipe 12 calibers dwindle to winding-up pipe afterbody gradually along inlet end, and the caliber of variation can be offset along the pressure drop on winding-up pipe 12 length directions, make winding-up gas speed keep constant.
Among Fig. 5, vertically dryer section 3 adopts the longitudinal air flow drying processes, recirculated hot air 17 flow to by oven dry sheet material 14 directions of motion on same straight line, in the same way or reverse flow.The fresh hot blast 7 that enters vertical dryer section 3 boosts through a vertical section circulating fan 18, with the dried humid gas that contains of part after vertical heat exchanger 19 heat exchange, enter in the hothouse by winding-up joint 20, in hothouse, treat dry sheet material and slightly evaporate, slough remaining 15% left and right sides moisture.The waste gas fraction of producing in the dry run directly is discharged in the atmosphere through flue 8, and most of fresh hot blast 7 with introducing comes back in the pipeline recycling after vertically a section circulating fan 18 enters vertical heat exchanger 19 heat exchange.
Each of drying machine layer rollgang transmission adopted a variable-frequency motor to add helical speed reduction gear and driven, and balancing weight tightener sprocket roller chain drives drives by chain that minor sprocket makes each roller at the uniform velocity on each roller, the operation that acts in agreement, thus reduce impact to sheet material.Advance the plate section and can adjust the into speed of plate, make it satisfy into dryer section time requirement before.The ejecting plate section can be adjusted ejecting plate speed, satisfies the requirement of ejecting plate in batches.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920025279.3U CN201397020Y (en) | 2009-05-21 | 2009-05-21 | Large Roller Conveyor Horizontal and Vertical Mixed Airflow Dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920025279.3U CN201397020Y (en) | 2009-05-21 | 2009-05-21 | Large Roller Conveyor Horizontal and Vertical Mixed Airflow Dryer |
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| Publication Number | Publication Date |
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| CN201397020Y true CN201397020Y (en) | 2010-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920025279.3U Expired - Fee Related CN201397020Y (en) | 2009-05-21 | 2009-05-21 | Large Roller Conveyor Horizontal and Vertical Mixed Airflow Dryer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706116A (en) * | 2012-01-15 | 2012-10-03 | 刘芝英 | Printed circuit board drying device |
| CN110307711A (en) * | 2019-06-14 | 2019-10-08 | 江苏碧青园海洋生物科技有限公司 | A kind of drying equipment of the sterile powder processed of jerusalem artichoke |
| CN111238994A (en) * | 2020-03-31 | 2020-06-05 | 安徽中烟工业有限责任公司 | Characterization method of sheet drying processing strength |
-
2009
- 2009-05-21 CN CN200920025279.3U patent/CN201397020Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706116A (en) * | 2012-01-15 | 2012-10-03 | 刘芝英 | Printed circuit board drying device |
| CN110307711A (en) * | 2019-06-14 | 2019-10-08 | 江苏碧青园海洋生物科技有限公司 | A kind of drying equipment of the sterile powder processed of jerusalem artichoke |
| CN111238994A (en) * | 2020-03-31 | 2020-06-05 | 安徽中烟工业有限责任公司 | Characterization method of sheet drying processing strength |
| CN111238994B (en) * | 2020-03-31 | 2022-02-11 | 安徽中烟工业有限责任公司 | Characterization method of sheet drying processing strength |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG TIANLI DRYING CO., LTD. Free format text: FORMER NAME: TIANLI DRYING EQUIPMENT CO., LTD., SHANDONG |
|
| CP03 | Change of name, title or address |
Address after: 250101, Shandong Province, Ji'nan hi tech Zone, No. 554 Feng Feng Road, environmental science and Technology Park, building 8, Feng Feng building, room 230 Patentee after: Shandong Tianli Drying Co., Ltd. Address before: Three Cun Cai Shi Zhen Xi Cai Shi Licheng District 250103 Shandong city of Ji'nan province No. 403 Patentee before: Tianli Drying Equipment Co., Ltd., Shandong |
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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: 20100203 Termination date: 20180521 |