CN111842143A - Device and method for separating hard impurities from wood chips - Google Patents
Device and method for separating hard impurities from wood chips Download PDFInfo
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- CN111842143A CN111842143A CN202010649660.8A CN202010649660A CN111842143A CN 111842143 A CN111842143 A CN 111842143A CN 202010649660 A CN202010649660 A CN 202010649660A CN 111842143 A CN111842143 A CN 111842143A
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- 239000002023 wood Substances 0.000 title claims abstract description 133
- 239000012535 impurity Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005192 partition Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims description 26
- 239000000725 suspension Substances 0.000 claims description 25
- 239000012634 fragment Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 description 20
- 239000000123 paper Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/08—Cleaning arrangements
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a device and a method for separating hard impurities from wood chips, wherein a feed inlet is formed in the right top of a hard impurity bin in the device, a belt conveyor I and a blanking hopper are sequentially arranged above the feed inlet from top to bottom, an air inlet I is formed in the upper part of the right side of the hard impurity bin, and a discharge outlet I is formed in the bottom of the hard impurity bin; the upper part of the left side of the hard sundries bin is communicated with the upper part of the right side of the pure wood chip bin, an adjustable partition plate is arranged at the communication position, a discharge port II is arranged at the bottom of the pure wood chip bin, and a belt conveyor II is arranged below the discharge port II; the lower end of the vertical channel of the T-shaped chip end channel is connected with an air outlet on the left side of the pure wood chip bin, the right end of the transverse channel is provided with an air inlet II, an air volume adjusting valve is arranged at the position of the air inlet II, the left end of the transverse channel is connected with a feeding port of the cyclone separator, and an air suction port at the top of the cyclone separator is connected with a centrifugal blower. The method has important significance for artificial board and paper making enterprises to reduce the damage of the defibrator and the flaker, improve the production efficiency and reduce the production cost.
Description
Technical Field
The invention belongs to the technical field of impurity removal of wood chips, and particularly relates to a separation device and a separation method for hard impurities in wood chips.
Background
The wood chips are important raw materials for artificial boards (fiber boards and shaving boards) and papermaking, the wood chips need to enter a defibrator for grinding to prepare fibers or enter a flaker for shaving, various hard impurities such as stones, screws, nuts and the like are often entrained in the wood chips due to various reasons, and once the hard impurities enter the defibrator or the flaker, the grinding sheets of the defibrator or the fly cutter of the flaker are damaged, so that the production equipment is seriously damaged, and the production efficiency and the economic benefit of enterprises are directly influenced. At present, artificial boards and paper making enterprises have no effective and quick solution to the problem of hard sundries carried in wood chips. In order to reduce equipment loss and improve production efficiency, artificial board enterprises and paper making enterprises urgently need to solve the problem that hard sundries are carried in wood chip raw materials, namely an effective and practical equipment is urgently needed to remove the hard sundries in the wood chips.
Disclosure of Invention
The invention aims to provide a device and a method for separating hard impurities from wood chips, aiming at solving the problems of unsatisfactory separation efficiency of the wood chips and the entrained impurities and the like in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
A hard impurity separation device in wood chips comprises a hard impurity bin, a pure wood chip bin, a T-shaped dust channel, a cyclone separator and a centrifugal blower; a feeding hole is formed in the top of the right side of the hard sundries bin, a belt conveyor I and a discharging hopper for conveying raw wood chips are sequentially arranged above the feeding hole from top to bottom, and a wood chip flow valve is arranged at an outlet in the bottom of the discharging hopper; an air inlet I which is close to the feeding hole is formed in the upper portion of the right side of the hard sundries bin, and an air door is arranged on the air inlet I; a discharge port I is formed in the bottom of the hard sundries bin; the upper part of the left side of the hard sundries bin is communicated with the upper part of the right side of the pure wood chip bin, and an adjustable partition plate is arranged at the communication position; an air outlet is formed in the top of the left side of the pure wood chip bin, a discharge port II is formed in the bottom of the pure wood chip bin, and a belt conveyor II for conveying pure wood chips is arranged below the discharge port II; the T-shaped powder crushing channel comprises a vertical channel and a transverse channel which are communicated; the upper end of the vertical channel is connected below the transverse channel, and the lower end of the vertical channel is connected with the air outlet of the pure wood chip bin; the right end of the transverse channel is provided with an air inlet II, an air quantity regulating valve is arranged at the air inlet II, and the left end of the transverse channel is connected with a feeding port of the cyclone separator; and an air suction port at the top of the cyclone separator is connected with the centrifugal blower, and a discharge port III is arranged at the bottom of the cyclone separator.
The invention further discloses that a discharging rotary valve I is arranged on the discharging port I.
The invention further discloses that a discharging rotary valve II is arranged on the discharging hole II.
The invention further discloses that a discharging rotary valve III is arranged on the discharging port III.
The invention further discloses that the hard impurities comprise stones, screws, nuts and the like.
In the invention, the hard impurity bin and the pure wood chip bin are communicated to form a channel for air flow circulation, and under the action of a centrifugal blower, air flow at the air inlet I of the hard impurity bin flows to the hard impurity bin and the pure wood chip bin in sequence and flows out from the air outlet of the pure wood chip bin, so that hard impurities and wood chips are separated. The adjustable partition plates are arranged at the communicating positions of the pure wood chip bin and the hard impurity bin, the communicating caliber of the communicating positions can be adjusted, the inclination of the adjustable partition plates can also be adjusted, the adjustable implementation mode can adopt the conventional technical means in the pure mechanical field (for example, a rotatable hinged part is arranged at the connecting position of the side plates of the pure wood chip bin and the hard impurity bin, a through hole for installing the adjustable partition plates is formed in the hinged part, and the like), and the conventional technical means which can be electrically controlled in the electromechanical field can also be adopted. Similarly, the air door, the air volume adjusting valve, the wood chip flow valve, the discharging rotary valve I, the discharging rotary valve II, the discharging rotary valve III and the like can adopt mechanical valves or electric control valves, and the air door, the air volume adjusting valve, the wood chip flow valve, the discharging rotary valve I, the discharging rotary valve II, the discharging rotary valve III and the like can be selected according to the actual requirements of a production field.
A method for separating hard impurities from wood chips comprises the following steps:
the method comprises the following steps: starting a centrifugal blower in the hard impurity separation device in the wood chips to enable the hard impurity separation device in the wood chips to obtain negative pressure air flow, and respectively adjusting an air door and an air volume adjusting valve to enable the air flow speed in the hard impurity separation device to be higher than the suspension speed of wood chip powder carried by the raw wood chips, lower than the suspension speed of pure wood chips and lower than the suspension speed of hard impurities;
step two: starting a belt conveyor I to put raw wood chips into a lower hopper, respectively adjusting the positions of a wood chip flow valve and an adjustable partition plate and observing the separation effect so as to obtain the optimal airflow speed and the flow of the raw wood chips;
step three: hard impurities are thrown to a hard impurity bin under the action of airflow and then are discharged to a trolley I through a discharge port I for transportation treatment; the pure wood chips are thrown to the pure wood chip bin under the action of air flow, and then are discharged out through a discharge port II and are transported to a qualified wood chip bin through a belt conveyor II; the wood chip chips are carried by the airflow, enter the cyclone separator through the chip channel for recovery, and are discharged outside the trolley II through the discharge port III to be transferred to a heat energy center to be used as fuel.
The technical principle of the invention is as follows:
the invention utilizes the mechanical and aerodynamic principles, namely the principle of airflow suspension speed difference, and separates the wood chips and the hard impurities according to different mass difference of the wood chips and the hard impurities so as to separate the hard impurities such as stones from the wood chips. In the hard impurity separation device, the air flow velocities of the air inlet I and the air inlet II are adjusted, so that the air flow velocity formed in the hard impurity separation device is higher than the suspension velocity of wood chip powder carried by raw wood chips, lower than the suspension velocity of pure wood chips and lower than the suspension velocity of hard impurities. When the log chips are conveyed by the belt conveyor I and then enter the hard impurity separation device, the wood chip fragments are carried by the airflow to enter the cyclone separator through the fragment channel to be recycled as the heat energy central fuel because the weight of the wood chip fragments is light and the suspension speed of the wood chip fragments is lower than the airflow speed of the hard impurity separation device; the suspension speed of the pure wood chips is slightly higher than the air flow speed, so the pure wood chips cannot be taken away by the air flow and fall into a pure wood chip bin in the device, and then the pure wood chips are discharged from a discharge hole II and transferred to a qualified wood chip bin by a belt conveyor II for later use; and because the suspension velocity of the hard impurities such as stones is higher than the air velocity in the device and higher than the suspension velocity of the pure wood chips, the hard impurities are dropped into a hard impurity bin in the device, and then are periodically discharged out of the device through a discharge port I and are transported and treated through a trolley I, so that the separation of the hard impurities in the wood chips is realized.
The invention has the following beneficial effects:
1. the invention separates the wood chips, the fragments thereof and the hard impurities in the arranged separating device by using the mechanical and aerodynamic principles, can thoroughly separate all the hard impurities and the wood chip fragments from the raw wood chips, obtains pure wood chips and has good separating effect.
2. The separating device and the separating method thereof have important significance for artificial board and paper making enterprises to reduce the damage of the defibrator and the flaker, improve the production efficiency and reduce the production cost.
Drawings
Fig. 1 is a schematic structural diagram of a device for separating hard impurities from wood chips according to the invention.
Wherein, each icon and the corresponding part name are as follows:
1-discharge hopper, 2-raw wood chips, 3-belt conveyor I, 4-wood chip flow valve, 5-air inlet I, 6-air door, 7-hard impurity bin, 8-discharge rotary valve I, 9-trolley I, 10-belt conveyor II, 11-adjustable partition plate, 12-discharge rotary valve II, 13-pure wood chips, 14-pure wood chip bin, 15-T type crumbling channel, 16-trolley II, 17-discharge rotary valve III, 18-cyclone separator, 19-centrifugal blower and 20-air volume adjusting valve.
Detailed Description
The present invention will be described in further non-limiting detail with reference to the following preferred embodiments and accompanying drawings.
Example 1:
as shown in fig. 1, the device for separating hard impurities from wood chips comprises a hard impurity bin 7, a pure wood chip bin 14, a T-shaped crumble passage 15, a cyclone separator 18 and a centrifugal blower 19; a feed inlet is formed in the top of the right side of the hard sundries bin 7, a belt conveyor I3 and a blanking hopper 1 for conveying raw wood chips 2 are sequentially arranged above the feed inlet from top to bottom, a wood chip flow valve 4 is arranged at an outlet in the bottom of the blanking hopper 1, an air inlet I5 which is close to the feed inlet is formed in the upper portion of the right side of the hard sundries bin 7, an air door 6 is arranged on the air inlet I5, and a discharge outlet I is formed in the bottom of the hard sundries bin 7;
the upper part of the left side of the hard sundries bin 7 is communicated with the upper part of the right side of the pure wood chip bin 14, and an adjustable partition plate 11 is arranged at the communication position; an air outlet is formed in the top of the left side of the pure wood chip bin 14, a discharge hole II is formed in the bottom of the pure wood chip bin 14, and a belt conveyor II 10 for conveying pure wood chips 13 is arranged below the discharge hole II; t type garrulous end passageway 15 is including the perpendicular passageway and the horizontal passageway that are linked together, the upper end of erecting the passageway is connected the below of horizontal passageway, the lower extreme of erecting the passageway with the air outlet of pure chip storehouse 14 is connected, and the right-hand member of horizontal passageway is equipped with air intake II and is equipped with air regulation valve 20 in II departments of air intake, the left end of horizontal passageway is connected with cyclone 18's pan feeding mouth, the extraction opening at cyclone 18 top is connected centrifugal blower 19, cyclone 18's bottom is equipped with discharge gate III.
The method for separating the hard impurities in the wood chips by using the device comprises the following steps:
the method comprises the following steps: starting a centrifugal blower 19 in the hard impurity separation device in the wood chips to enable the hard impurity separation device to obtain negative pressure air flow, and respectively adjusting an air door 6 and an air quantity adjusting valve 20 to enable the air flow speed in the hard impurity separation device to be higher than the suspension speed of the wood chip powder carried by the raw wood chips 2, lower than the suspension speed of the pure wood chips 13 and lower than the suspension speed of the hard impurities;
step two: starting a belt conveyor I3 to put raw wood chips into a hopper 1, respectively adjusting the positions of a wood chip flow valve 4 and an adjustable partition plate 11 and observing the separation effect to obtain the optimal airflow speed and the flow rate of the raw wood chips;
step three: hard impurities are thrown to a hard impurity bin 7 under the action of air flow and then are discharged to a trolley I9 through a discharge port I for transportation treatment, pure wood chips 13 are thrown to a pure wood chip bin 14 through the air flow and then are discharged through a discharge port II and are transported to a qualified wood chip bin through a belt conveyor II 10, and wood chip scraps are carried by the air flow to enter a cyclone separator 18 through a scrap channel for recovery, and then are discharged to a trolley II 16 through a discharge port III for transportation to a heat energy center for fuel.
The invention utilizes the mechanical and aerodynamic principles, namely the principle of airflow suspension speed difference, and separates the wood chips and the hard impurities according to different mass difference of the wood chips and the hard impurities so as to separate the hard impurities such as stones from the wood chips. In the hard impurity separation device, the air flow velocities of the air inlet I5 and the air inlet II are adjusted, so that the air flow velocity formed in the hard impurity separation device is higher than the suspension velocity of wood chip powder carried by the raw wood chips 2, lower than the suspension velocity of pure wood chips 13 and lower than the suspension velocity of hard impurities. When the original wood chips 2 are conveyed by the belt conveyor I3 and then enter the hard impurity separation device, the wood chip fragments are carried by the airflow to enter the cyclone separator 18 through the T-shaped fragment channel 15 to be recycled as the heat energy central fuel because the weight of the wood chip fragments is light and the suspension speed of the wood chip fragments is lower than the airflow speed of the hard impurity separation device; the suspension speed of the pure wood chips 13 is slightly higher than the air flow speed, so the pure wood chips 13 cannot be taken away by the air flow and fall into a pure wood chip bin 14 in the device, and then the pure wood chips are discharged from a discharge port II and transferred to a qualified wood chip bin by a belt conveyor II 10 for later use; and because the suspension velocity of the hard impurities such as stones is higher than the air flow velocity in the device and higher than the suspension velocity of the pure wood chips 13, the hard impurities are dropped into a hard impurity bin in the device, and then are periodically discharged out of the device through a discharge port I and transported and treated through a trolley I9, so that the separation of the hard impurities in the wood chips is realized.
Example 2:
this example differs from example 1 in that: and a discharging rotary valve I8 is arranged on the discharging port I.
Example 3:
this example differs from example 1 in that: and a discharging rotary valve II 12 is arranged on the discharging port II.
Example 4:
this example differs from example 1 in that: and a discharging rotary valve III 17 is arranged on the discharging port III.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A device for separating hard impurities from wood chips is characterized by comprising a hard impurity bin (7), a pure wood chip bin (14), a T-shaped crumble channel (15), a cyclone separator (18) and a centrifugal blower (19);
a feeding hole is formed in the top of the right side of the hard sundries bin (7), a belt conveyor I (3) and a blanking hopper (1) for conveying raw wood chips (2) are sequentially arranged above the feeding hole from top to bottom, and a wood chip flow valve (4) is arranged at an outlet in the bottom of the blanking hopper (1); an air inlet I (5) which is close to the feed inlet is formed in the upper portion of the right side of the hard sundries bin (7), and an air door (6) is arranged at the air inlet I (5); a discharge port I is formed in the bottom of the hard sundries bin (7);
The upper part of the left side of the hard sundries bin (7) is communicated with the upper part of the right side of the purified wood chip bin (14), and an adjustable partition plate (11) is arranged at the communication position; an air outlet is formed in the top of the left side of the pure wood chip bin (14), a discharge hole II is formed in the bottom of the pure wood chip bin (14), and a belt conveyor II (10) for conveying pure wood chips (13) is arranged below the discharge hole II;
the T-shaped powder crushing channel (15) comprises a vertical channel and a transverse channel which are communicated; the upper end of the vertical channel is connected below the transverse channel, and the lower end of the vertical channel is connected with an air outlet of the pure wood chip bin (14); the right end of the transverse channel is provided with an air inlet II, an air quantity regulating valve (20) is arranged at the air inlet II, and the left end of the transverse channel is connected with a feeding port of the cyclone separator (18); the extraction opening at the top of the cyclone separator (18) is connected with the centrifugal blower (19), and the bottom of the cyclone separator (18) is provided with a discharge opening III.
2. The device for separating hard impurities from wood chips as claimed in claim 1, wherein the discharge port I is provided with a discharge rotary valve I (8).
3. The device for separating hard impurities from wood chips as claimed in claim 1, wherein the discharge outlet II is provided with a discharge rotary valve II (12).
4. The device for separating hard impurities from wood chips according to claim 1, characterized in that a discharge rotary valve III (17) is arranged on the discharge outlet III.
5. A method for separating hard impurities from wood chips is characterized by comprising the following steps:
the method comprises the following steps: starting a centrifugal blower (19) in the hard impurity separation device in the wood chips to enable the hard impurity separation device in the wood chips to obtain negative pressure air flow, and respectively adjusting an air door (6) and an air quantity adjusting valve (20) to enable the air flow speed in the hard impurity separation device to be higher than the suspension speed of wood chip fragments carried by the wood chips (2), lower than the suspension speed of pure wood chips (13) and lower than the suspension speed of hard impurities;
step two: starting a belt conveyor I (3) to put raw wood chips (2) into a lower hopper (1), respectively adjusting the positions of a wood chip flow valve (4) and an adjustable partition plate (11) and observing the separation effect to obtain the optimal airflow speed and the flow rate of the raw wood chips (2);
step three: hard impurities are thrown to a hard impurity bin (7) under the action of air flow and then are discharged to a trolley I (9) through a discharge port I for transportation treatment; the pure wood chips (13) are thrown to a pure wood chip bin (14) under the action of air flow, and then are discharged out through a discharge port II and transferred to a qualified wood chip bin through a belt conveyor II (10); the wood chip powder is carried by the airflow to enter a cyclone separator (18) for recycling through a T-shaped powder channel (15), and then is discharged out of a discharge port III to a trolley II (16) to be transferred to a heat energy center to be used as fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010649660.8A CN111842143A (en) | 2020-07-08 | 2020-07-08 | Device and method for separating hard impurities from wood chips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010649660.8A CN111842143A (en) | 2020-07-08 | 2020-07-08 | Device and method for separating hard impurities from wood chips |
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| Publication Number | Publication Date |
|---|---|
| CN111842143A true CN111842143A (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010649660.8A Pending CN111842143A (en) | 2020-07-08 | 2020-07-08 | Device and method for separating hard impurities from wood chips |
Country Status (1)
| Country | Link |
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| CN (1) | CN111842143A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075086A (en) * | 2021-03-25 | 2021-07-06 | 苏州未艾视智能科技有限公司 | Wood chip detecting and screening device based on X-ray |
| CN113649284A (en) * | 2021-08-23 | 2021-11-16 | 湖州师范学院 | Novel high-efficient environmental protection sand filter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586209A (en) * | 2013-11-08 | 2014-02-19 | 福建省永安林业(集团)股份有限公司 | Wood chip processing device |
| CN108816768A (en) * | 2018-06-27 | 2018-11-16 | 广西浩林人造板股份有限公司 | A kind of wood dust recyclable device of multi-stage separation desanding |
| CN109290194A (en) * | 2018-11-15 | 2019-02-01 | 山东商务职业学院 | A grain sorting device |
| CN212493955U (en) * | 2020-07-08 | 2021-02-09 | 广西浩林人造板股份有限公司 | Wood chip stone remover |
-
2020
- 2020-07-08 CN CN202010649660.8A patent/CN111842143A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586209A (en) * | 2013-11-08 | 2014-02-19 | 福建省永安林业(集团)股份有限公司 | Wood chip processing device |
| CN108816768A (en) * | 2018-06-27 | 2018-11-16 | 广西浩林人造板股份有限公司 | A kind of wood dust recyclable device of multi-stage separation desanding |
| CN109290194A (en) * | 2018-11-15 | 2019-02-01 | 山东商务职业学院 | A grain sorting device |
| CN212493955U (en) * | 2020-07-08 | 2021-02-09 | 广西浩林人造板股份有限公司 | Wood chip stone remover |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075086A (en) * | 2021-03-25 | 2021-07-06 | 苏州未艾视智能科技有限公司 | Wood chip detecting and screening device based on X-ray |
| CN113075086B (en) * | 2021-03-25 | 2024-02-02 | 苏州未艾视智能科技有限公司 | Wood chip detection and screening device based on X-rays |
| CN113649284A (en) * | 2021-08-23 | 2021-11-16 | 湖州师范学院 | Novel high-efficient environmental protection sand filter |
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