CN206996684U - Wood chip reducing mechanism is used in a kind of timber manufacture - Google Patents
Wood chip reducing mechanism is used in a kind of timber manufacture Download PDFInfo
- Publication number
- CN206996684U CN206996684U CN201720531868.3U CN201720531868U CN206996684U CN 206996684 U CN206996684 U CN 206996684U CN 201720531868 U CN201720531868 U CN 201720531868U CN 206996684 U CN206996684 U CN 206996684U
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- Prior art keywords
- casing
- pillar
- crushing
- wood chip
- reducing mechanism
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- 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.)
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Abstract
A kind of reducing mechanism is the utility model is related to, more particularly to wood chip reducing mechanism is used in a kind of manufacture of timber.The technical problems to be solved in the utility model is to provide a kind of timber manufacture wood chip reducing mechanism.In order to solve the above-mentioned technical problem, the utility model provides such a timber manufacture wood chip reducing mechanism, includes base, secondary breaker structure, discharging mechanism, the first casing, first pillar etc.；Base top is provided with the first casing, first casing is provided with secondary breaker structure, discharging mechanism is provided with the left of first casing, first casing top is from left to right sequentially provided with the first pillar, the second pillar and fixed plate, one-level crushing mechanism is provided between on the left of first pillar and the second post top portion and fixed plate, one-level crushing mechanism bottom is provided with material blanking tube.The utility model has reached crushing great efforts, crushes the full and uniform and high effect of crush efficiency.
Description
Technical field
A kind of reducing mechanism is the utility model is related to, more particularly to wood chip reducing mechanism is used in a kind of manufacture of timber.
Background technology
Wood chip refers to sawdust, the wood shavings powder left during wood processing.It is primarily used to do fuel and light bone inserts, or
It is to be combined into wood-based plate again, paper making raw material can also be used as.In biomass Industrial Boiler, as industry, Substitute coal, heavy oil and
Natural gas solves environmental pollution.Can be as the fuel of thermal power generation.Often burn alternative 0.8 ten thousand tons of the standard coal of 10,000 tons of wood chips, subtracts
Few SO2 discharges 160 tons, and 80 tons of soot emissions, CO2 discharges 1.44 ten thousand tons.With the coal-fired 3600 tons of calculating of 4 tons of boiler years, make
1,700,000 yuan are saved than coal with biomass granule fuel, 4,000,000 yuan of expense is saved than heavy oil, expense 2,100,000 is saved than natural gas
Member.
At present, remaining leftover pieces can also turn into environment-friendly type thing after pulverization process after timber is manufactured, in the people
With heating and life energy, combustion utilization efficiency is high, is easy to store, and is easy to use, the benefit such as safety and sanitation, but existing wood dust
For crushing device due to component problem, crushing dynamics is small, and it is low to crush insufficient uniform crush efficiency.
There is component in existing reducing mechanism, cause crushing dynamics small, and it is low to crush insufficient uniform crush efficiency
The shortcomings that, therefore need a kind of crushing great efforts of research and development badly, crush the full and uniform and high timber manufacture wood dust of crush efficiency
Crushing device.
Utility model content
(1) technical problems to be solved
Dynamics is small, and the insufficient uniform crush efficiency of crushing is low in order to overcome existing reducing mechanism to crush for the utility model
The shortcomings that, the technical problems to be solved in the utility model is to provide a kind of timber manufacture wood chip reducing mechanism.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides such a timber manufacture wood chip reducing mechanism,
Include base, secondary breaker structure, discharging mechanism, the first casing, the first pillar, material blanking tube, valve, one-level crushing mechanism,
Fixed plate and the second pillar, base top are provided with the first casing, and the first casing is provided with secondary breaker structure, the first casing left side
Provided with discharging mechanism, the first casing top is from left to right sequentially provided with the first pillar, the second pillar and fixed plate, the first pillar and
One-level crushing mechanism is provided between on the left of second post top portion and fixed plate, one-level crushing mechanism bottom is provided with material blanking tube, blanking
Pipe is provided with valve, and blanking bottom of the tube is connected with the first casing top.
Preferably, one-level crushing mechanism includes electric pushrod first and crushes block, the first crushing teeth, the second casing, second
Broken block and the second crushing teeth, the first pillar and the second post top portion are provided with the second casing, and the second casing inner left wall is provided with second
Broken block, the second broken block right side are provided with the second crushing teeth, fixed plate, fixed plate left upper portion are provided with the right side of the first casing top
Provided with electric pushrod, for electric pushrod through the second casing right side, electric pushrod left end is connected with the first broken block, the first broken block
Left side is provided with the first crushing teeth.
Preferably, secondary breaker structure includes installs case, the first motor, bearing block, rotating shaft, crushing rod and crushing cutter
Piece, the first casing right side are provided with installs case, and installs case inner right wall is provided with the first motor, and the first motor is provided with rotating shaft, and rotating shaft is worn
To cross on the right side of the first casing, rotating shaft is provided with crushing rod, and crushing rod is provided with broken blade, bearing block is embedded with the left of the first casing,
Bearing block is connected with rotating shaft.
Preferably, discharging mechanism includes baffle plate, small reel, protective cover, big reel, fix bar, bracing wire and draw ring,
Lower right side is provided with baffle plate by bearing pin in first casing, and fix bar and big reel, fix bar position are provided with the left of the first casing
Above big reel, the first casing left bottom is provided with through hole, and left bottom is provided with protective cover and small coiling in the first casing
Wheel, protective cover are located on the outside of small reel, and for small reel with being wound with bracing wire on big reel, bracing wire left end is connected with draw ring, draws
Ring is engaged with fix bar, and bracing wire right-hand member is connected with baffle plate top left side.
Preferably, base material is Q235 steel.
Preferably, installs case is stainless steel.
Preferably, bracing wire is wire.
Operation principle：When needing to carry out pulverization process to wood chip, staff starts one-level crushing mechanism, and one-level crushes
The crusher members of mechanism carry out break process to wood chip, are easy to further work to handle, and after crushing, staff opens valve,
Wood chip is dropped in the first casing through material blanking tube, and staff starts secondary breaker structure, the crushing part of secondary breaker structure
Again to the wood chip pulverization process crushed, crush more full and uniform, improve crush efficiency, after the completion of crushing, work
Personnel start discharging mechanism, and the outlet member of discharging mechanism drives wood chip to discharge, consequently facilitating staff collects.
Because one-level crushing mechanism, which includes electric pushrod first, crushes block, the first crushing teeth, the second casing, second broken
Block and the second crushing teeth, the first pillar and the second post top portion are provided with the second casing, and it is broken that the second casing inner left wall is provided with second
Block, the second broken block right side are provided with the second crushing teeth, are provided with fixed plate on the right side of the first casing top, fixed plate left upper portion is provided with
Electric pushrod, for electric pushrod through the second casing right side, electric pushrod left end is connected with the first broken block, the first broken block left side
Provided with the first crushing teeth, so stretch out or retract to the right to the left when staff starts electric pushrod, drive the first broken block to
A left side moves right, so as to drive the first crushing teeth to move to the left or to the right, in the cooperation of the second broken block and the second crushing teeth
Under, break process is constantly carried out to wood chip with this, is easy to further work to handle, improves operating efficiency.
Because secondary breaker structure includes installs case, the first motor, bearing block, rotating shaft, crushing rod and broken blade, the
Installs case is provided with the right side of one casing, installs case inner right wall is provided with the first motor, and the first motor is provided with rotating shaft, and rotating shaft passes through first
On the right side of casing, rotating shaft is provided with crushing rod, and crushing rod is provided with broken blade, bearing block, bearing block are embedded with the left of the first casing
It is connected with rotating shaft, so being rotated when staff starts the first motor, the first motor driven axis of rotation, rotating shaft drives broken
Bar rotates, and so as to drive broken blade rotation, is come with this to wood chip pulverization process, the wood chip after one-level break process, passes through
Cross more full and uniform after two level pulverization process, improve crush efficiency, also allow for people's use, the first motor replaces manpower, subtracted
The workload of staff is lacked.
Because discharging mechanism includes baffle plate, small reel, protective cover, big reel, fix bar, bracing wire and draw ring, the
Lower right side is provided with baffle plate by bearing pin in one casing, is provided with fix bar on the left of the first casing and big reel, fix bar are located at
Above big reel, the first casing left bottom is provided with through hole, and left bottom is provided with protective cover and small reel in the first casing,
Protective cover is located on the outside of small reel, and for small reel with being wound with bracing wire on big reel, bracing wire left end is connected with draw ring, draw ring with
Fix bar is engaged, and bracing wire right-hand member is connected with baffle plate top left side, so staff can hold bracing wire up or down
Mobile, so as to drive baffle plate to swing up or down, protective cover can effectively prevent small reel from being damaged caused by wood chip, also have
Amplitude of oscillation degree on effect ground fixed dam, prevents from causing internal part to damage.
(3) beneficial effect
The utility model has reached crushing great efforts, crushes the full and uniform and high effect of crush efficiency, the present apparatus first
Crushing teeth and the second crushing teeth cooperate, and constantly carry out break process to wood chip with this, are easy to further work to handle, improve
Operating efficiency, protective cover can effectively prevent small reel from being damaged caused by wood chip, also effectively amplitude of oscillation degree on fixed dam, prevent
Major structure damages into internal part.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present utility model.
Fig. 2 is the main structure diagram of the utility model one-level disintegrating mechanism.
Fig. 3 is the main structure diagram of the utility model discharging mechanism.
Fig. 4 is the main structure diagram of the utility model secondary breaker structure.
Mark in accompanying drawing for：1- bases, 2- secondary breaker structures, 21- installs cases, the motors of 22- first, 23- bearing blocks,
24- rotating shafts, 25- crushing rods, 26- crush blade, 3- discharging mechanisms, 31- baffle plates, the small reels of 32-, 33- protective covers, and 34- is big
Reel, 35- fix bars, 36- bracing wires, 37- draw rings, 38- through holes, the casings of 4- first, the pillars of 5- first, 6- material blanking tubes, 7- valves
Door, 8- one-level crushing mechanisms, 81- electric pushrods, 82- first crush block, the crushing teeths of 83- first, the casings of 84- second, 85- second
Broken block, the crushing teeths of 86- second, 9- fixed plates, the pillars of 10- second.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
Wood chip reducing mechanism is used in a kind of timber manufacture, as Figure 1-4, includes base 1, secondary breaker structure 2, discharging
Mechanism 3, the first casing 4, the first pillar 5, material blanking tube 6, valve 7, one-level crushing mechanism 8, the pillar 10 of fixed plate 9 and second, bottom
The top of seat 1 is provided with the first casing 4, and the first casing 4 is provided with secondary breaker structure 2, and the left side of the first casing 4 is provided with discharging mechanism 3,
The top of first casing 4 is from left to right sequentially provided with the first pillar 5, the second pillar 10 and fixed plate 9, the first pillar 5 and second
One-level crushing mechanism 8 is provided between the top of post 10 and the left side of fixed plate 9, the bottom of one-level crushing mechanism 8 is provided with material blanking tube 6, blanking
Pipe 6 is provided with valve 7, and the bottom of material blanking tube 6 is connected with the top of the first casing 4.
One-level crushing mechanism 8 includes electric pushrod 81 first and crushes block 82, the first crushing teeth 83, the second casing 84, the
The crushing teeth 86 of sledging block 85 and second, the first pillar 5 and the top of the second pillar 10 are provided with the second casing 84, in the second casing 84
Left wall is provided with the second broken block 85, and the second broken right side of block 85 is provided with the second crushing teeth 86, and the top right side of the first casing 4 is provided with solid
Fixed board 9, the left upper portion of fixed plate 9 are provided with electric pushrod 81, and electric pushrod 81 is left through the right side of the second casing 84, electric pushrod 81
End is connected with the first broken block 82, and the first broken left side of block 82 is provided with the first crushing teeth 83.
Secondary breaker structure 2 includes installs case 21, the first motor 22, bearing block 23, rotating shaft 24, crushing rod 25 and crushed
Blade 26, the right side of the first casing 4 are provided with installs case 21, and the inner right wall of installs case 21 is provided with the first motor 22, set on the first motor 22
There is rotating shaft 24, through the right side of the first casing 4, rotating shaft 24 is provided with crushing rod 25 for rotating shaft 24, and crushing rod 25 is provided with broken blade
26, the left side of the first casing 4 is embedded with bearing block 23, and bearing block 23 is connected with rotating shaft 24.
Discharging mechanism 3 includes baffle plate 31, small reel 32, protective cover 33, big reel 34, fix bar 35, bracing wire 36
With draw ring 37, lower right side is provided with baffle plate 31 by bearing pin in the first casing 4, and the left side of the first casing 4 is provided with fix bar 35 and big
Reel 34, for fix bar 35 positioned at the top of big reel 34, the left bottom of the first casing 4 is provided with through hole 38, left in the first casing 4
Side bottom is provided with protective cover 33 and small reel 32, and protective cover 33 is positioned at the small outside of reel 32, small reel 32 and big coiling
Bracing wire 36 is wound with wheel 34, the left end of bracing wire 36 is connected with draw ring 37, and draw ring 37 is engaged with fix bar 35, the right-hand member of bracing wire 36 and gear
The top left side of plate 31 is connected.
The material of base 1 is Q235 steel.
Installs case 21 is stainless steel.
Bracing wire 36 is wire.
Operation principle：When needing to carry out pulverization process to wood chip, staff starts one-level crushing mechanism 8, and one-level is broken
The crusher members of broken mechanism 8 carry out break process to wood chip, are easy to further work to handle, and after crushing, staff opens valve
Door 7, wood chip is dropped in the first casing 4 through material blanking tube 6, and staff starts secondary breaker structure 2, secondary breaker structure 2
Crushing part to the wood chip pulverization process crushed, crushes more full and uniform again, improves crush efficiency, is completed when crushing
Afterwards, staff starts discharging mechanism 3, and the outlet member of discharging mechanism 3 drives wood chip to discharge, consequently facilitating staff
Collect.
Because one-level crushing mechanism 8, which includes electric pushrod 81 first, crushes block 82, the first crushing teeth 83, the second casing
84th, the second broken crushing teeth 86 of block 85 and second, the first pillar 5 and the top of the second pillar 10 are provided with the second casing 84, the second case
The inner left wall of body 84 is provided with the second broken block 85, and the second broken right side of block 85 is provided with the second crushing teeth 86, the top right side of the first casing 4
Provided with fixed plate 9, the left upper portion of fixed plate 9 is provided with electric pushrod 81, and electric pushrod 81 is electronic to push away through the right side of the second casing 84
The left end of bar 81 is connected with the first broken block 82, and the first broken left side of block 82 is provided with the first crushing teeth 83, so when staff opens
Dynamic electric pushrod 81 stretches out or retracted to the right to the left, drives the first broken block 82 to move to the left or to the right, so as to drive first to break
Broken tooth 83 is moved to the left or to the right, and under the cooperation of the second broken crushing teeth 86 of block 85 and second, constantly wood chip is carried out with this
Break process, it is easy to further work to handle, improves operating efficiency.
Because secondary breaker structure 2 includes installs case 21, the first motor 22, bearing block 23, rotating shaft 24, the and of crushing rod 25
Broken blade 26, the right side of the first casing 4 are provided with installs case 21, and the inner right wall of installs case 21 is provided with the first motor 22, the first motor 22
Rotating shaft 24 is provided with, through the right side of the first casing 4, rotating shaft 24 is provided with crushing rod 25 for rotating shaft 24, and crushing rod 25 is provided with broken
Blade 26, the left side of the first casing 4 be embedded with bearing block 23, and bearing block 23 is connected with rotating shaft 24, so working as staff's startup the
One motor 22 rotates, and the first motor 22 drives rotating shaft 24 to rotate, and rotating shaft 24 drives crushing rod 25 to rotate, so as to drive broken blade
26 rotate, and, to wood chip pulverization process, the wood chip after one-level break process, more to fill after two level pulverization process with this
Divide uniform, raising crush efficiency, also allow for people's use, the first motor 22 replaces manpower, reduces the workload of staff.
Because discharging mechanism 3 includes baffle plate 31, small reel 32, protective cover 33, big reel 34, fix bar 35, drawing
Line 36 and draw ring 37, lower right side is provided with baffle plate 31 by bearing pin in the first casing 4, and the left side of the first casing 4 is provided with fix bar 35
With big reel 34, fix bar 35 is provided with through hole 38, the first casing 4 positioned at the big top of reel 34, the left bottom of the first casing 4
Interior left bottom is provided with protective cover 33 and small reel 32, protective cover 33 positioned at the small outside of reel 32, small reel 32 with it is big
Bracing wire 36 is wound with reel 34, the left end of bracing wire 36 is connected with draw ring 37, and draw ring 37 is engaged with fix bar 35, the right-hand member of bracing wire 36
It is connected with the top left side of baffle plate 31, so staff can hold bracing wire 36 and move up or down, so as to drive baffle plate
31 swing up or down, and protective cover 33 can effectively prevent small reel 32 from being damaged caused by wood chip, also effectively fixed to keep off
Amplitude of oscillation degree on plate 31, prevents from causing internal part to damage.
Embodiment described above only expresses preferred embodiment of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these are all
Belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. wood chip reducing mechanism is used in a kind of timber manufacture, it is characterised in that is included base (1), secondary breaker structure (2), is gone out
Expect mechanism (3), the first casing (4), the first pillar (5), material blanking tube (6), valve (7), one-level crushing mechanism (8), fixed plate (9)
With the second pillar (10), base (1) top is provided with the first casing (4), and the first casing (4) is provided with secondary breaker structure (2), the
Discharging mechanism (3) is provided with the left of one casing (4), the first pillar (5), second are from left to right sequentially provided with the top of the first casing (4)
One-level is provided between at the top of pillar (10) and fixed plate (9), the first pillar (5) and the second pillar (10) and on the left of fixed plate (9)
Crushing mechanism (8), one-level crushing mechanism (8) bottom are provided with material blanking tube (6), and material blanking tube (6) is provided with valve (7), material blanking tube (6)
Bottom at the top of the first casing (4) with being connected.
2. wood chip reducing mechanism is used in a kind of timber manufacture according to claim 1, it is characterised in that one-level crushing mechanism
(8) include electric pushrod (81) first and crush block (82), the first crushing teeth (83), the second casing (84), the second broken block
(85) and the second crushing teeth (86), the first pillar (5) are provided with the second casing (84), the second casing with the second pillar (10) top
(84) inner left wall is provided with the second broken block (85), and the second crushing teeth (86), the first casing (4) are provided with the right side of the second broken block (85)
Top right side is provided with fixed plate (9), and fixed plate (9) left upper portion is provided with electric pushrod (81), and electric pushrod (81) passes through second
On the right side of casing (84), electric pushrod (81) left end is connected with the first broken block (82), and first is provided with the left of the first broken block (82)
Crushing teeth (83).
3. wood chip reducing mechanism is used in a kind of timber manufacture according to claim 2, it is characterised in that secondary breaker structure
(2) installs case (21), the first motor (22), bearing block (23), rotating shaft (24), crushing rod (25) and broken blade are included
(26) installs case (21), is provided with the right side of the first casing (4), installs case (21) inner right wall is provided with the first motor (22), the first motor
(22) rotating shaft (24) is provided with, rotating shaft (24) is provided with crushing rod (25) through the first casing (4) right side, rotating shaft (24), crushed
Bar (25) is provided with broken blade (26), and bearing block (23), bearing block (23) and rotating shaft (24) phase are embedded with the left of the first casing (4)
Connection.
4. wood chip reducing mechanism is used in a kind of timber manufacture according to claim 3, it is characterised in that discharging mechanism (3) wraps
Baffle plate (31), small reel (32), protective cover (33), big reel (34), fix bar (35), bracing wire (36) and draw ring are included
(37), the first casing (4) interior lower right side is provided with baffle plate (31) by bearing pin, and fix bar (35) is provided with the left of the first casing (4)
With big reel (34), fix bar (35) is located above big reel (34), and the first casing (4) left bottom is provided with through hole
(38), the first casing (4) interior left bottom is provided with protective cover (33) and small reel (32), and protective cover (33) is located at small reel
(32) outside, for small reel (32) with being wound with bracing wire (36) on big reel (34), bracing wire (36) left end is connected with draw ring (37),
Draw ring (37) is engaged with fix bar (35), and bracing wire (36) right-hand member is connected with baffle plate (31) top left side.
5. wood chip reducing mechanism is used in a kind of timber manufacture according to claim 4, it is characterised in that base (1) material is
Q235 steel.
6. wood chip reducing mechanism is used in a kind of timber manufacture according to claim 5, it is characterised in that installs case (21) is not
Become rusty steel.
7. wood chip reducing mechanism is used in a kind of timber manufacture according to claim 6, it is characterised in that bracing wire (36) is steel wire
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720531868.3U CN206996684U (en) | 2017-05-15 | 2017-05-15 | Wood chip reducing mechanism is used in a kind of timber manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720531868.3U CN206996684U (en) | 2017-05-15 | 2017-05-15 | Wood chip reducing mechanism is used in a kind of timber manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206996684U true CN206996684U (en) | 2018-02-13 |
Family
ID=61442897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720531868.3U Expired - Fee Related CN206996684U (en) | 2017-05-15 | 2017-05-15 | Wood chip reducing mechanism is used in a kind of timber manufacture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206996684U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452869A (en) * | 2018-06-29 | 2018-08-28 | 从江神瑶保健品有限公司 | A kind of automatic mashing device of Chinese medicine processing |
| CN108620194A (en) * | 2018-04-11 | 2018-10-09 | 杨翠萍 | A kind of multistage livestock feed grinding device |
| CN108795719A (en) * | 2018-07-09 | 2018-11-13 | 苏州朝霞生物科技有限公司 | A kind of new energy biogas fermentation agricultural crop straw processing unit (plant) |
| CN109225566A (en) * | 2018-10-25 | 2019-01-18 | 肖江江 | A kind of throwaway chopsticks recycling and processing device for environmental protection |
| CN110935548A (en) * | 2019-12-20 | 2020-03-31 | 徐卫 | Device for treating and repairing polluted water body |
| CN110947499A (en) * | 2019-12-16 | 2020-04-03 | 益阳万维竹业有限公司 | Circulation crushing apparatus is used in production of bamboo granule bamboo powder |
-
2017
- 2017-05-15 CN CN201720531868.3U patent/CN206996684U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620194A (en) * | 2018-04-11 | 2018-10-09 | 杨翠萍 | A kind of multistage livestock feed grinding device |
| CN108452869A (en) * | 2018-06-29 | 2018-08-28 | 从江神瑶保健品有限公司 | A kind of automatic mashing device of Chinese medicine processing |
| CN108795719A (en) * | 2018-07-09 | 2018-11-13 | 苏州朝霞生物科技有限公司 | A kind of new energy biogas fermentation agricultural crop straw processing unit (plant) |
| CN108795719B (en) * | 2018-07-09 | 2019-08-09 | 修昆 | A kind of new energy biogas fermentation agricultural crop straw processing unit (plant) |
| CN109225566A (en) * | 2018-10-25 | 2019-01-18 | 肖江江 | A kind of throwaway chopsticks recycling and processing device for environmental protection |
| CN110947499A (en) * | 2019-12-16 | 2020-04-03 | 益阳万维竹业有限公司 | Circulation crushing apparatus is used in production of bamboo granule bamboo powder |
| CN110935548A (en) * | 2019-12-20 | 2020-03-31 | 徐卫 | Device for treating and repairing polluted water body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180213 Termination date: 20180515 |