CN106118695A - A kind of multitube rotary formula heats low temperature pyrogenation equipment indirectly - Google Patents
A kind of multitube rotary formula heats low temperature pyrogenation equipment indirectly Download PDFInfo
- Publication number
- CN106118695A CN106118695A CN201610519428.6A CN201610519428A CN106118695A CN 106118695 A CN106118695 A CN 106118695A CN 201610519428 A CN201610519428 A CN 201610519428A CN 106118695 A CN106118695 A CN 106118695A
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- China
- Prior art keywords
- left end
- cylinder
- hot blast
- hand member
- feed arrangement
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/28—Other processes
- C10B47/30—Other processes in rotary ovens or retorts
Abstract
The present invention and technical field of coal chemical industry, especially a kind of multitube rotary formula heats low temperature pyrogenation equipment indirectly.It includes a material heater, right-hand member at material heater is provided with a feed arrangement, rolling ring before fixing sheathed one on the left end lateral wall of feed arrangement, before the bottom of front rolling ring and, support roller abuts against, be connected on the right-hand member lateral wall of feed arrangement a driven gear ring, a support seat it is provided with bottom driven gear ring, one connecting shaft active card is connected on support seat, the connecting shaft supporting above seat is fixed sheathed one and drives gear, left end at material heater is provided with a discharge device, and the left end at discharge device is tightly connected a nesting box.It is rational in infrastructure, deft design, has easy to use, and heating surface area is big, and treating capacity is big, without dust, the advantage such as is heated evenly, be suitable for maximizing produce, operating safety factor height, more effectively meet the demand of people, solve problems of the prior art.
Description
Technical field:
The present invention relates to technical field of coal chemical industry, especially a kind of multitube rotary formula heats low temperature pyrogenation equipment indirectly.
Background technology:
Along with continuous demand to Coal Energy Source in present society, and the drastically minimizing of Coal Energy Source, the most efficiently close
Reason utilizes coal resources and avoids coal and directly burn the problems such as use, is progressively subject to people's attention, passes through pyrolysis of coal at present
The method production high value added product of upgrading is cleaning, utilizes a kind of effective way of coal resources efficiently.Primarily now adopt
Carry out improving quality of coal by pyrolysis with vertical retort and fixing heat carrier dry distillation of coal fluid bed etc., but the said equipment only can use
Lump coal, and the calorific value of gas generated is low, it is impossible to using as industrial chemicals, safety in utilization is low.It addition, prior art also has
Use rotary furnace equipment to carry out improving quality of coal by pyrolysis, but this equipment treating capacity is little, running produces dust serious, easily
Set off an explosion etc. dangerous, it is clear that existing Coal Chemical Industry processing equipment cannot more effectively meet the demand of people.
Summary of the invention:
The invention provides a kind of multitube rotary formula and indirectly heat low temperature pyrogenation equipment, it is rational in infrastructure, deft design, tool
Having easy to use, heating surface area is big, and treating capacity is big, without dust, the advantage such as is heated evenly, be suitable for maximizing produce, operation safety
Coefficient is high, more effectively meets the demand of people, solves problems of the prior art.
The present invention solves above-mentioned technical problem be the technical scheme is that, a kind of multitube rotary formula heats low temperature indirectly
Pyrolysis plant, including a downward-sloping setting of left end and the material heater of the some supporting legs of bottom belt, at material heater
Right-hand member parallel be provided with a cylindric feed arrangement being tightly connected with material heater, outside the left end of feed arrangement
The sheathed one front rolling ring being coaxially disposed with feed arrangement is fixed, before the bottom of front rolling ring is fixed on seat before being arranged on one on wall
Support roller abuts against, and the driven gear ring that the feed arrangement that is connected on the right-hand member lateral wall of feed arrangement is coaxially disposed, in driven tooth
Being provided with a support seat bottom circle, one is set in parallel in the connecting shaft active card bottom feed arrangement is connected on support seat, is supporting
Fix the sheathed one driving gear being meshed with driven gear ring in connecting shaft above Zuo, connecting shaft through decelerator be arranged on electricity
The driving motor that machine supports on seat is connected, and the feed arrangement lateral wall on the right side of driven gear ring is arranged with an inwall and charging
The graphite-seal ring that device lateral wall abuts against, the right-hand member at feed arrangement is provided with a feed box, and the inner wall sleeve of feed box is connected on
On the lateral wall of graphite-seal ring, on the feed arrangement lateral wall between graphite-seal ring and feed box sheathed about one two ends
The type metal expansion joint abutted against with graphite-seal ring, feed box inner face respectively, left end at material heater is parallel to be provided with
One discharge device being tightly connected with material heater, on the lateral wall of discharge device, connected one coaxially sets with discharge device
The rear rolling ring put, the rear support roller that the bottom of rear rolling ring is fixed after being arranged on on seat abuts against, close at the left end of discharge device
Envelope connects a nesting box；Motor is driven to be connected with controlling device by wire.
Described material heater includes that a left end is downward-sloping and the some supporting legs of bottom belt, inwall are provided with aerospace heat insulating technology and are coated with
The hot blast chuck cylinder of layer, seals respectively at two ends, hot blast chuck cylinder left and right and is provided with a left end cap and right end cap, at hot blast chuck cylinder
Right side be provided with several heat smoke air inlet pipe, the left side top at hot blast chuck cylinder is provided with a heat smoke escape pipe, at hot blast
It is respectively perpendicular to inwall active card on the cavity inner wall at chuck cylinder two ends and sets a movable plectane, respectively along its circumference on two plectanes
Being uniformly provided with several heating material pipes be arrangeding in parallel with hot blast chuck cylinder, it is movable that the two ends, left and right of each heating material pipe all pass two
Plectane is connected with feed arrangement left end, discharge device right-hand member respectively, is respectively equipped with one and adds in the right-hand member cavity of each heating material pipe
Heat material pipe spiral stock guide.
Described feed arrangement includes a feeding cylinder being coaxially disposed with hot blast chuck cylinder, and the left end of feeding cylinder is connected in and respectively adds
On movable plectane outside heat material pipe right-hand member, the outside of feeding cylinder is tightly connected with the right-hand member of material heater, at feeding cylinder
It is provided with several feed zone spiral stock guides that just each heating is being expected pipe right-hand member entrance along its circumferencial direction on cavity inner wall.
Described discharge device includes a discharging cylinder being coaxially disposed with hot blast chuck cylinder, and the right-hand member of discharging cylinder is connected in and respectively adds
On movable plectane outside heat material pipe left end, the outside of discharging cylinder is tightly connected with the left end of material heater, at discharging cylinder
It is provided with several discharge zone spiral stock guides just each heating material pipe left end exported along its circumferencial direction on inwall.
It is provided with a dust fall cylinder, a left side for dust fall cylinder on movable plectane inside each heating material pipe of material heater left end
End stretches into inside discharging cylinder, it is possible to reduce airborne dust, prevents material airborne dust, reduces the generation of explosion accident.
It is provided with a inner in the bottom of the hot blast chuck cylinder of discharge device and stretches into the thermal detector in hot blast folder sleeve cavity, survey
Temperature device is connected with controlling device, and the temperature in hot blast chuck can be measured by thermal detector constantly, it is simple to observes material and adds hot charging
Put interior temperature regime.
The present invention is had an advantageous effect in that, rational in infrastructure, deft design, has easy to use, and heating surface area is big, place
Reason amount is big, without dust, the advantage such as is heated evenly, be suitable for maximizing produce, operating safety factor height, can continuous safe long period
Run, the continuous safe long-term operation present invention can be effectively prevented rotating cylinder airborne dust feelings in operation process
Condition, solves the dust in equipment and pipeline and gathers the problem resulted in blockage, it can be ensured that equipment long-term operation；Additional hot blast
Heat smoke in chuck cylinder is uniformly distributed, and can heat rotating cylinder, it is possible to be effectively improved totally changing of rotary furnace
The thermal efficiency and production capacity；The additional hot blast chuck cylinder thermal detector that the present invention is arranged, it is possible to accurately measure the temperature of material in it
Degree, possesses length in service life, advantage that precision is high, more effectively meets the demand of people.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the part-structure schematic diagram of the present invention.
Fig. 3 be in Fig. 1 A-A to sectional structure schematic diagram.
In figure, 1, front rolling ring；2, front fixing seat；3, front support roller；4, driven gear ring；5, seat is supported；6, gear is driven；7, electricity
Machine supports seat；8, motor is driven；9, graphite-seal ring；10, feed box；11, type metal expansion joint；12, rear rolling ring；13, fix afterwards
Seat；14, rear support roller；15, nesting box；16, hot blast chuck cylinder；17, heat smoke air inlet pipe；18, heat smoke escape pipe；19, movable
Plectane；20, heating material pipe；21, heating material pipe spiral stock guide；22, feeding cylinder；23, feed zone spiral stock guide；24, discharge
Cylinder；25, discharge zone spiral stock guide；26, dust fall cylinder；27, thermal detector.
Detailed description of the invention:
For the technical characterstic of this programme can be clearly described, below by detailed description of the invention, and combine its accompanying drawing, to this
Bright it is described in detail.
As illustrated in fig. 1-3, a kind of multitube rotary formula heats low temperature pyrogenation equipment indirectly, sets including a left end is downward-sloping
Put and the material heater of the some supporting legs of bottom belt, right-hand member at material heater is parallel be provided with one with material heater
The cylindric feed arrangement being tightly connected, fixes sheathed one on the left end lateral wall of feed arrangement and coaxially sets with feed arrangement
The front rolling ring 1 put, the bottom of front rolling ring 1 is fixed the front support roller 3 of 2 on seat and is abutted against, on the right side of feed arrangement before being arranged on one
The driven gear ring 4 that the feed arrangement that is connected on end lateral wall is coaxially disposed, is provided with a support seat 5 bottom driven gear ring 4, and one is flat
Row is arranged on the connecting shaft active card bottom feed arrangement and is connected on support seat 5, fixed cover in the connecting shaft supporting above seat 5
If a driving gear 6 being meshed with driven gear ring 4, connecting shaft is through decelerator and the driving electricity being arranged on motor supporting base 7
Machine 8 is connected, and the feed arrangement lateral wall on the right side of driven gear ring 4 is arranged with an inwall and abuts against with feed arrangement lateral wall
Graphite-seal ring 9, the right-hand member at feed arrangement is provided with a feed box 10, and the inner wall sleeve of feed box 10 is connected on graphite-seal ring 9
Lateral wall on, on the feed arrangement lateral wall between graphite-seal ring 9 and feed box 10 sheathed about one two ends respectively with
The type metal expansion joint 11 that graphite-seal ring 9, feed box 10 inner face abut against, left end at material heater is parallel is provided with one
The discharge device being tightly connected with material heater, on the lateral wall of discharge device, connected one is coaxially disposed with discharge device
Rear rolling ring 12, the rear support roller 14 that the bottom of rear rolling ring 12 is fixed on seat 13 after being arranged on abuts against, at discharge device
Left end is tightly connected a nesting box 15；Motor 8 is driven to be connected with controlling device by wire.
Described material heater includes that a left end is downward-sloping and the some supporting legs of bottom belt, inwall are provided with aerospace heat insulating technology and are coated with
The hot blast chuck cylinder 16 of layer, seals respectively at hot blast chuck cylinder about 16 two ends and is provided with a left end cap and right end cap, presss from both sides at hot blast
The right side of sleeve 16 is provided with several heat smoke air inlet pipe 17, and the left side top at hot blast chuck cylinder 16 is provided with a heat smoke and gives vent to anger
Pipe 18, is respectively perpendicular to inwall active card on the cavity inner wall at hot blast chuck cylinder 16 two ends and sets a movable plectane 19, live two
It is provided with several heating material pipes 20 be arrangeding in parallel with hot blast chuck cylinder 16 along its even circumferential respectively on dynamic plectane 19, respectively heats
The two ends, left and right of material pipe 20 all pass two movable plectanes 19 and are connected with feed arrangement left end, discharge device right-hand member respectively, are respectively adding
It is respectively equipped with a heating material pipe spiral stock guide 21 in the right-hand member cavity of heat material pipe 20.
Described feed arrangement includes a feeding cylinder 22 being coaxially disposed with hot blast chuck cylinder 16, and the left end of feeding cylinder 22 is connected
On movable plectane 19 outside each heating material pipe 20 right-hand member, the outside of feeding cylinder 22 seals even with the right-hand member of material heater
Connect, feeding cylinder 22 cavity inner wall is provided with several chargings that each heating is just being expected pipe 20 right-hand member entrance along its circumferencial direction
Section spiral stock guide 23.
Described discharge device includes a discharging cylinder 24 being coaxially disposed with hot blast chuck cylinder 16, and the right-hand member of discharging cylinder 24 is connected
On movable plectane 19 outside each heating material pipe 20 left end, the outside of discharging cylinder 24 seals even with the left end of material heater
Connect, discharging cylinder 24 inwall is provided with several discharge zone spirals just exported each heating material pipe 20 left end along its circumferencial direction
Stock guide 25.
It is provided with a dust fall cylinder 26, dust fall on movable plectane 19 inside each heating material pipe 20 of material heater left end
It is internal that the left end of cylinder 26 stretches into discharging cylinder 24, it is possible to reduce airborne dust, prevents material airborne dust, reduces the generation of explosion accident.
It is provided with a inner in the bottom of the hot blast chuck cylinder 16 of discharge device and stretches into the thermometric in hot blast chuck cylinder 16 cavity
Device 27, thermal detector 27 is connected with controlling device, and the temperature in hot blast chuck can be measured by thermal detector 27 constantly, it is simple to observes
Temperature regime in material heater.
During use, open the control device each equipment of control and normally work, in feed box 10, put into appropriate material, material
Can be to tilting a side shifting in the feed box 10 being obliquely installed.Drive motor 8 drive drive gear 6 rotate, and then drive from
Dynamic gear ring 4 rotates, and finally makes each heating material pipe 20 in feed arrangement, material heater, discharge device be in rotating
State, material enters in feeding cylinder 22 under the guide effect of feed zone spiral stock guide 23, is then entered by feeding cylinder 22
In heating material pipe 20, deliver to material, in heating material pipe 20, add at each under the effect of heating material pipe spiral stock guide 21
It is respectively equipped with an anti-feed back plate in heating material pipe 20 on the right side of heat material pipe spiral stock guide 21, is possible to prevent to enter heating material pipe 20
Interior material turns again in feeding cylinder 22, thus avoids the generation of pyrophoricity accident.To the hot blast chuck cylinder of material heater
Injecting heat smoke in the heat smoke air inlet pipe 17 of 16, the material in pipe 20 is expected in each heating in hot blast chuck cylinder 16 by heat smoke
Heating, after heating, heat smoke is flowed out by the heat smoke escape pipe 18 of hot blast chuck cylinder 16, the material in heating material pipe 20
Can move to discharge device in the heating material pipe 20 of tilt rotation, thus be flowed out heating material pipe by the left end of heating material pipe 20
20, material is by heating because material contains substantial amounts of dust during material pipe 20 falls, and airborne dust the most easily sets off an explosion, therefore thing
Material can be fallen on the lateral wall of dust fall cylinder 26 when falling herein, thus reduces airborne dust.Material is at discharge zone spiral stock guide
Enter in discharging cylinder 24 under the effect of 25, after discharge through discharging cylinder 24 and to fall in nesting box 15, more effectively meet people's
Demand.
Above-mentioned detailed description of the invention cannot function as limiting the scope of the invention, for the technology people of the art
For Yuan, any alternate modification being made embodiment of the present invention or conversion all fall within protection scope of the present invention.
The present invention does not describes part in detail, is the known technology of those skilled in the art of the present technique.
Claims (6)
1. a multitube rotary formula heats low temperature pyrogenation equipment indirectly, it is characterised in that: include a downward-sloping setting of left end and
The material heater of the some supporting legs of bottom belt, right-hand member at material heater is parallel to be provided with one and seals with material heater
The cylindric feed arrangement that connects, fixes sheathed one on the left end lateral wall of feed arrangement and is coaxially disposed with feed arrangement
Front rolling ring, the front support roller that the bottom of front rolling ring is fixed on seat before being arranged on abuts against, in the right-hand member lateral wall of feed arrangement
The driven gear ring that the upper feed arrangement that is connected is coaxially disposed, is provided with a support seat bottom driven gear ring, one be set in parallel in into
The connecting shaft active card of material bottom of device is connected on support seat, fixes sheathed one and driven tooth in the connecting shaft supporting above seat
The driving gear that circle is meshed, connecting shaft is connected with the driving motor being arranged on motor supporting base through decelerator, driven
It is arranged with, on feed arrangement lateral wall on the right side of gear ring, the graphite-seal ring that an inwall abuts against with feed arrangement lateral wall, is entering
The right-hand member of material device is provided with a feed box, and the inner wall sleeve of feed box is connected on the lateral wall of graphite-seal ring, at graphite-seal ring
And sheathed about one two ends offset with graphite-seal ring, feed box inner face respectively on the feed arrangement lateral wall between feed box
The type metal expansion joint connect, left end at material heater is parallel is provided with a discharge dress being tightly connected with material heater
Putting, be connected on the lateral wall of discharge device a rear rolling ring being coaxially disposed with discharge device, and the bottom of rear rolling ring is arranged with one
Rear support roller on rear fixing seat abuts against, and the left end at discharge device is tightly connected a nesting box；Motor is driven to pass through wire
It is connected with controlling device.
A kind of multitube rotary formula the most according to claim 1 heats low temperature pyrogenation equipment indirectly, it is characterised in that: described thing
Material heater includes that a left end is downward-sloping and the some supporting legs of bottom belt, inwall are provided with the hot blast chuck of aerospace heat insulating technology coating
Cylinder, seals respectively at two ends, hot blast chuck cylinder left and right and is provided with a left end cap and right end cap, if being provided with on the right side of hot blast chuck cylinder
Dry heat smoke air inlet pipe, the left side top at hot blast chuck cylinder is provided with a heat smoke escape pipe, at hot blast chuck cylinder two ends
It is respectively perpendicular to inwall active card on cavity inner wall and sets a movable plectane, two plectanes are provided with some along its even circumferential respectively
The individual heating material pipe be arrangeding in parallel with hot blast chuck cylinder, the two ends, left and right of each heating material pipe all pass two movable plectanes respectively with enter
Material device left end, discharge device right-hand member are connected, and be respectively equipped with a heating material pipe spiral and lead in the right-hand member cavity of each heating material pipe
Flitch.
A kind of multitube rotary formula the most according to claim 2 heats low temperature pyrogenation equipment indirectly, it is characterised in that enter described in:
Material device includes a feeding cylinder being coaxially disposed with hot blast chuck cylinder, and the left end of feeding cylinder is connected in outside each heating material pipe right-hand member
Movable plectane on, the outside of feeding cylinder is tightly connected with the right-hand member of material heater, along it on feeding cylinder cavity inner wall
Circumferencial direction is provided with several feed zone spiral stock guides that each heating is just being expected pipe right-hand member entrance.
4. indirectly heat low temperature pyrogenation equipment according to a kind of multitube rotary formula described in Claims 2 or 3, it is characterised in that: institute
Stating discharge device and include a discharging cylinder being coaxially disposed with hot blast chuck cylinder, the right-hand member of discharging cylinder is connected in each heating material pipe left end
On the movable plectane in outside, the outside of discharging cylinder is tightly connected with the left end of material heater, along it on discharging cylinder inwall
Circumferencial direction is provided with several discharge zone spiral stock guides just exported each heating material pipe left end.
A kind of multitube rotary formula the most according to claim 4 heats low temperature pyrogenation equipment indirectly, it is characterised in that: at material
Movable plectane inside each heating material pipe of heater left end is provided with a dust fall cylinder, and the left end of dust fall cylinder stretches in discharging cylinder
Portion.
A kind of multitube rotary formula the most according to claim 5 heats low temperature pyrogenation equipment indirectly, it is characterised in that: at discharge
The bottom of the hot blast chuck cylinder of device is provided with a inner and stretches into the thermal detector in hot blast folder sleeve cavity, thermal detector and control device
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610519428.6A CN106118695B (en) | 2016-07-01 | 2016-07-01 | A kind of multitube rotary formula indirect heating low temperature pyrogenation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610519428.6A CN106118695B (en) | 2016-07-01 | 2016-07-01 | A kind of multitube rotary formula indirect heating low temperature pyrogenation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106118695A true CN106118695A (en) | 2016-11-16 |
| CN106118695B CN106118695B (en) | 2019-06-25 |
Family
ID=57468346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610519428.6A Active CN106118695B (en) | 2016-07-01 | 2016-07-01 | A kind of multitube rotary formula indirect heating low temperature pyrogenation equipment |
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| Country | Link |
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| CN (1) | CN106118695B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107841327A (en) * | 2017-11-28 | 2018-03-27 | 王志雄 | A kind of tube side formula carbonization device |
| CN107875887A (en) * | 2017-10-13 | 2018-04-06 | 百奥森（江苏）食品安全科技有限公司 | A kind of block food secure sample detection separates out preparation facilities with solution |
| CN114456818A (en) * | 2022-01-29 | 2022-05-10 | 宁夏亘瑞宏建筑安装有限公司 | Feeding device for multi-barrel carbonization furnace and carbonization furnace comprising same |
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| CN202415436U (en) * | 2012-02-10 | 2012-09-05 | 西安三瑞实业有限公司 | External heating rotary retorting furnace for producing semi coke |
| CN104789241A (en) * | 2015-03-31 | 2015-07-22 | 长安大学 | Rotary furnace for pyrolyzing pulverized coal |
| CN105154118A (en) * | 2015-08-13 | 2015-12-16 | 山东立人能源科技有限公司 | Rotary indirect heating type low-rank coal modification and quality improvement equipment |
| US9234138B1 (en) * | 2008-09-17 | 2016-01-12 | Nantong Tianyi Environmental Energy Technology Limited Corporation | Revolving waste plastic-oil converting equipment and method of using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9234138B1 (en) * | 2008-09-17 | 2016-01-12 | Nantong Tianyi Environmental Energy Technology Limited Corporation | Revolving waste plastic-oil converting equipment and method of using the same |
| CN202415436U (en) * | 2012-02-10 | 2012-09-05 | 西安三瑞实业有限公司 | External heating rotary retorting furnace for producing semi coke |
| CN104789241A (en) * | 2015-03-31 | 2015-07-22 | 长安大学 | Rotary furnace for pyrolyzing pulverized coal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875887A (en) * | 2017-10-13 | 2018-04-06 | 百奥森（江苏）食品安全科技有限公司 | A kind of block food secure sample detection separates out preparation facilities with solution |
| CN107841327A (en) * | 2017-11-28 | 2018-03-27 | 王志雄 | A kind of tube side formula carbonization device |
| CN114456818A (en) * | 2022-01-29 | 2022-05-10 | 宁夏亘瑞宏建筑安装有限公司 | Feeding device for multi-barrel carbonization furnace and carbonization furnace comprising same |
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|---|---|
| CN106118695B (en) | 2019-06-25 |
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Effective date of registration: 20210226 Address after: 271000 No.69 Boyang Road, Taishan District, Tai'an City, Shandong Province Patentee after: Shandong juduoshi Energy Technology Co.,Ltd. Address before: 271000 room 7607, building 4, Silicon Valley Industrial Park, Mingtang Road, Taishan District, Tai'an City, Shandong Province Patentee before: Zhu Shaohui |