CN111266360A - Wood chip rinsing equipment and method for producing density board - Google Patents
Wood chip rinsing equipment and method for producing density board Download PDFInfo
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- CN111266360A CN111266360A CN202010309512.1A CN202010309512A CN111266360A CN 111266360 A CN111266360 A CN 111266360A CN 202010309512 A CN202010309512 A CN 202010309512A CN 111266360 A CN111266360 A CN 111266360A
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- scraper
- water tank
- slag
- chain
- wood chip
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- 239000002023 wood Substances 0.000 title claims abstract description 114
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000002893 slag Substances 0.000 claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000008237 rinsing water Substances 0.000 claims abstract description 72
- 239000011148 porous material Substances 0.000 claims abstract description 29
- 239000012535 impurity Substances 0.000 claims abstract description 25
- 238000005406 washing Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000002244 precipitate Substances 0.000 claims abstract description 5
- 208000005156 Dehydration Diseases 0.000 claims abstract description 4
- 230000018044 dehydration Effects 0.000 claims abstract description 4
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000009467 reduction Effects 0.000 description 7
- 238000000605 extraction Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 230000005574 cross-species transmission Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- -1 broken sawdust Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/041—Cleaning travelling work
- B08B3/042—Cleaning travelling work the loose articles or bulk material travelling gradually through a drum or other container, e.g. by helix or gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/36—Devices therefor, other than using centrifugal force
- B03B5/38—Devices therefor, other than using centrifugal force of conical receptacle type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to wood chip rinsing equipment and method for producing density boards, and belongs to the technical field of density board production. The technical scheme is as follows: a rinsing water tank (6) and a scraper chain device are arranged on the frame (8), and a scraper slag extractor (7) is also arranged on the frame (8); impurities and precipitates with the density higher than that of the wood chips fall down through a pore plate (30) below the scraper chain group I (2), and are separated out through a scraper slag extractor (7) below a slag collection hopper (14); and conveying the cleaned wood chips to the next working procedure for dehydration treatment by the scraper chain device. The invention has the beneficial effects that: the energy consumption of the whole machine is low; the water can be recycled; the equipment occupies small space and is easy to operate; the impurity removal effect is good, and the impurity removal function of water washing can be integrated.
Description
Technical Field
The invention relates to a wood chip rinsing device and method for producing density boards, which are used for washing wood chips and separating impurities such as cement blocks, iron nails and glass with specific gravity larger than that of the wood chips and sediments such as broken sawdust and dust and the like after the waste templates and waste furniture are crushed into fine wood chips according to the production process requirements of the density boards after the wood chips are crushed into the fine wood chips, so that the rinsed wood chips meet the production process requirements of the density boards, and belong to the technical field of density board production.
Background
In the production of the density board, the raw materials adopted comprise waste templates and waste furniture, the wood is crushed into fine wood chips, the wood chips are washed, impurities such as cement blocks, iron nails and glass with specific gravity larger than the wood chips, and precipitates such as broken sawdust and dust are separated out, so that the rinsed wood chips meet the requirements of the density board production process. In a density board raw material processing workshop, due to the requirements of production processes, in order to produce raw materials meeting the requirements of density boards, a very long production line is usually required to arrange various devices for dust removal, impurity removal, iron removal, water washing and the like in the layout of production equipment in the workshop, so that the production energy consumption is high, the production process is complicated, and the occupied area is large. The field needs a novel device and a method which have low energy consumption and small occupied space and can integrate the functions of washing and impurity removal.
Disclosure of Invention
The invention aims to provide wood chip rinsing equipment and a wood chip rinsing method for producing density boards, which have low production energy consumption and small occupied space, are novel equipment capable of integrating the functions of water washing and impurity removal, and solve the problems in the prior art.
The technical scheme of the invention is as follows:
a wood chip rinsing device for producing density boards comprises a scraper chain device, a rinsing water tank, a scraper slag extractor and a frame; the washing water tank is composed of a water tank body, a feeding conical hopper, a pore plate and a slag collecting hopper, the feeding conical hopper is arranged at the upper part of the water tank body, the slag collecting hopper is arranged at the lower part of the water tank body, the pore plate is obliquely arranged in the water tank body, and the slag collecting hopper is positioned below the pore plate; the scraper chain device comprises a driving chain wheel set, a first scraper chain set, a driven chain wheel set and a wood chip scraper; the driving chain wheel set is arranged at the top of the rack above the rinsing water tank, the driven chain wheel set is arranged in the rinsing water tank, the driving chain wheel set is connected with the driven chain wheel set through an annular scraper chain set I, a plurality of wood chip scrapers are arranged on the scraper chain set I, the wood chip scrapers are of arc structures, water leakage holes are densely distributed in the wood chip scrapers, and the wood chip scrapers at the bottom of the annular scraper chain set are matched with the hole plates; the water tank body is square, and the width of the wood chip scraper is slightly smaller than that of the water tank body and the pore plate; the machine frame is also provided with a scraper slag extractor which comprises a driven wheel set, a steering wheel set, a slag extractor groove, a driving wheel set, a slag extraction scraper and a scraper chain set II; the slag extractor groove consists of a straight line section and an oblique line section which have the same structure, the straight line section is positioned below the slag collection hopper, and the terminal of the oblique line section is higher than the water surface of the rinsing water tank; the driven wheel set is arranged in the straight line section, the driving wheel set is arranged in the oblique line section, the driven wheel set and the driving wheel set are connected through an annular scraper chain set II, the scraper chain set II is positioned in a slag extractor groove, a plurality of slag-discharging scrapers are arranged on the scraper chain set II, the slag-discharging scrapers at the bottom of the annular scraper chain set II are matched with the bottom of the slag extractor groove, and the width of the slag-discharging scrapers is slightly smaller than that of the slag extractor groove; and a steering wheel set is arranged at the joint of the straight line section and the oblique line section.
A first scraper chain group of the scraper chain device adopts a roller chain to drive a plurality of wood chip scrapers with arc structures for transmission, the wood chip scrapers are made of steel plates, the front ends of the wood chip scrapers are attached to a hole plate after being bent by 90 degrees in an arc shape, the rear ends of the wood chip scrapers are welded on the first scraper chain group, and a plurality of water leakage holes are punched on the wood chip scrapers so as to reduce the transportation resistance. The rinsing water tank is provided with a first supporting chain wheel set which supports a chain on the upper part of an annular first scraper chain group, so that the chain on the upper part of the first scraper chain group is prevented from sagging to influence the operation of the chain on the lower part of the first scraper chain group. A chain at the lower part of the scraper chain group is provided with a pressing chain wheel group so as to change the transportation direction of the scraper chain group and ensure that the wood chip scraper at the bottom of the annular scraper chain group is tightly attached to the pore plate. And a driving speed reduction motor is arranged on the drive sprocket wheel group at the foremost end. Chain tensioning devices I are installed at two ends of a supporting bearing seat for driving the speed reduction motor and used for tensioning a scraper chain set I so as to prevent derailment caused by excessive looseness of the chain. The main transmission support frame is arranged on the rack, the driving speed reduction motor is arranged on the main transmission support frame, and the main transmission support frame is made of H-shaped steel, so that the weight is light, and the stress effect is good.
The rinsing water tank is steel construction welding spare, and feeding toper fill adopts the local form of sky circle, and the upper portion entry is circular, and the export of lower part is square, can a large amount of receipt transportation wood chip materials of coming, can be in the same place with square water tank body perfect adaptation again, and the appearance is pleasing to the eye, and is economical and practical. The orifice plate is installed to scraper blade chain group position one side in the middle of the water tank body for deposit such as impurity in the wood chip after will washing falls down through the orifice plate, gets into to slag tap and collects the fill, and the collection of slagging tap is fought at rinsing water bottommost, and the cross-section is isosceles trapezoid's structure, is used for collecting the impurity that falls down the orifice plate and gets into the mucking machine inslot of scraper slag tapping machine, is carried to the rinsing water tank outside by scraper slag tapping machine.
The scraper slag extractor adopts a scraper chain group II with a circular chain structure to drive a slag-out scraper to transmit, the slag-out scraper is formed by welding steel plates and is welded on the scraper chain group II, and a chain-supporting wheel group II is arranged on the side surface of a slag extractor groove; the oblique line section inclination angle of the slag extractor groove is 50 degrees, and the turning positions of the straight line section and the oblique line section are provided with steering wheel sets so as to change the two transportation directions of the scraper chain sets. Oblique line section of mucking machine groove passes through the connecting piece welding in the frame, installation cycloid pinwheel gear motor on the connecting piece, cycloid pinwheel gear motor passes through transmission sprocket group and is connected with drive wheelset, drive scraper chain group two, the scraper blade of slagging tap and mucking machine groove bottom plate in close contact with, the impurity that will slag tap collection fill bottom is whole scrapes out, and carry the outside unified processing of rinsing water tank, because the slag notch is higher than the rinsing water tank water level, so can not appear water and pass through the slag notch and spill over the phenomenon. And two chain tensioning devices II are arranged at two ends of the transmission chain wheel set and used for tensioning the scraper chain set II.
The wood chip rinsing method for producing the density board adopts the wood chip rinsing equipment, and comprises the following steps:
water is injected into the rinsing water tank, and as the scraper chain group II in the scraper slag extractor rotates circularly, part of water in the rinsing water tank flows out of the rinsing water tank and is constantly supplemented into the rinsing water tank through the feeding conical hopper on the rinsing water tank; conveying the wood chips for producing the density boards to the upper part of a feeding conical hopper of the rinsing water tank through a belt conveyer, and enabling the wood chips to fall into the feeding conical hopper of the rinsing water tank; the first scraper chain group rotates circularly, a wood chip scraper on the first scraper chain group scrapes wood chips floating on the water surface of a rinsing water tank to be fully washed underwater, dust particles on the wood chips are cleaned, and impurities and precipitates (including cement blocks, iron nails, glass, broken sawdust, dust and the like) with the density higher than that of the wood chips fall down through a pore plate below the first scraper chain group and enter a slag collection hopper; impurities and precipitates are separated out through a scraper slag extractor below a slag collection hopper; and conveying the cleaned wood chips to the next working procedure for dehydration treatment by the scraper chain device.
The scraper slag extractor in the scum collection hopper at the bottom of the rinsing water tank is closely matched with the scum collection hopper, so that the outflow of water in the rinsing water tank is reduced as much as possible. The water flowing out of the bottom of the rinsing water tank can be collected and returned to the feeding conical hopper at the top of the rinsing water tank for recycling.
The wood chip scraper is made of steel plates, the front end of the wood chip scraper is bent by 90 degrees in an arc shape and then is attached to the pore plate, the rear end of the wood chip scraper is welded on the scraper chain group I, and a plurality of water leakage holes are punched on the wood chip scraper so as to reduce the transportation resistance; the wood chip scraper scrapes clean wood chips on the pore plate and conveys the cleaned wood chips out of the rinsing water tank.
The invention has the beneficial effects that: the energy consumption of the whole machine is low; the water can be recycled; the equipment occupies small space and is easy to operate; the impurity removal effect is good, and the impurity removal function of water washing can be integrated.
Drawings
FIG. 1 is a schematic view of the general assembly of the present invention;
FIG. 2 is a schematic left side view of the present invention;
FIG. 3 is a schematic view of a rinse tank of the present invention;
FIG. 4 is a schematic right view of the rinse tank of the present invention;
FIG. 5 is a schematic view of the scraper slag extractor of the present invention;
FIG. 6 is a schematic top view of the scraper slag extractor of the present invention;
in the figure: the automatic cleaning machine comprises a driving chain wheel set 1, a scraper chain set I2 (a roller chain), a supporting chain wheel set I3, a pressing chain wheel set 4, a driven chain wheel set 5, a rinsing water tank 6, a scraper slag extractor 7, a rack 8, a wood chip scraper 9, a water leakage hole 10, a main transmission support frame 11, a water tank body 12, a feeding conical hopper 13, a slag collection hopper 14, a driven wheel set 21, a steering wheel set 22, a slag extractor groove 23, a supporting chain wheel set II 24, a cycloid pin wheel speed reducing motor 25, a transmission chain wheel set 26, a driving wheel set 27, a slag extraction scraper 28, a scraper chain set II 29 (a circular chain), a pore plate 30, a driving speed reducing motor 31 and a connecting piece 32.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
A wood chip rinsing device for producing density boards comprises a scraper chain device, a rinsing water tank 6, a scraper slag extractor 7 and a frame 8; a rinsing water tank 6 and a scraper chain device are arranged on the frame 8, the rinsing water tank 6 consists of a water tank body 12, a feeding conical hopper 13, a pore plate 30 and a slag collecting hopper 14, the feeding conical hopper 13 is arranged at the upper part of the water tank body 12, the slag collecting hopper 14 is arranged at the lower part of the water tank body 12, the pore plate 30 is obliquely arranged in the water tank body 12, and the slag collecting hopper 14 is positioned below the pore plate 30; the scraper chain device comprises a driving chain wheel set 1, a first scraper chain set 2, a driven chain wheel set 5 and a wood chip scraper 9; the driving chain wheel set 1 is arranged at the top of the rack 8 above the rinsing water tank 6, the driven chain wheel set 5 is arranged in the rinsing water tank 6, the driving chain wheel set 1 and the driven chain wheel set 5 are connected through an annular scraper chain set I2, a plurality of wood chip scrapers 9 are arranged on the scraper chain set I2, the wood chip scrapers 9 are of arc structures, water leakage holes 10 are densely distributed in the wood chip scrapers 9, and the wood chip scrapers at the bottom of the annular scraper chain set I2 are matched with the pore plates 30; the water tank body 12 is square, and the width of the wood chip scraper 9 is slightly smaller than that of the water tank body 12 and the pore plate 30; the frame 8 is also provided with a scraper slag extractor 7, and the scraper slag extractor 7 comprises a driven wheel set 21, a steering wheel set 22, a slag extractor groove 23, a driving wheel set 27, a slag extraction scraper 28 and a scraper chain set II 29; the slag extractor groove 23 consists of a straight line section and an oblique line section which have the same structure, the straight line section is positioned below the slag collection hopper 14, and the terminal end of the oblique line section is higher than the water surface of the rinsing water tank 6; the driven wheel set 21 is arranged in the straight line segment, the driving wheel set 27 is arranged in the oblique line segment, the driven wheel set 21 and the driving wheel set 27 are connected through an annular scraper chain set II 29, the scraper chain set II 29 is positioned in the slag extractor groove 23, a plurality of slag extraction scrapers 28 are arranged on the scraper chain set II 29, the slag extraction scrapers 28 at the bottom of the annular scraper chain set II 29 are matched with the bottom of the slag extractor groove 23, and the width of the slag extraction scrapers 28 is slightly smaller than that of the slag extractor groove 23; and a steering wheel set 22 is arranged at the joint of the straight line section and the oblique line section.
A scraper chain group 2 of the scraper chain device adopts a roller chain to drive a plurality of wood chip scrapers 9 with arc structures for transmission, the wood chip scrapers 9 are made of steel plates, the front ends of the wood chip scrapers are attached to the pore plates 30 after being bent by 90 degrees in an arc shape, the rear ends of the wood chip scrapers are welded on the scraper chain group 2, and a plurality of water leakage holes are punched on the wood chip scrapers 9 so as to reduce the transportation resistance. A first supporting chain wheel set 3 is installed on the rinsing water tank 6, the first supporting chain wheel set 3 supports a chain on the upper portion of a first annular scraping plate chain set 2, and the phenomenon that the chain on the upper portion of the first scraping plate chain set 2 sags to influence the operation of the chain on the lower portion of the first scraping plate chain set 2 is prevented. And a pressing chain wheel set 4 is arranged at the chain at the lower part of the scraper chain set I2 so as to change the transportation direction of the scraper chain set I2, so that the wood chip scrapers at the bottom of the annular scraper chain set I2 are tightly attached to the orifice plate 30. A driving reduction motor 31 is mounted on the foremost drive sprocket group 1. Chain tensioning devices I are installed at two ends of a supporting bearing seat of the driving speed reduction motor 31 and used for tensioning a scraper chain group 2 to prevent derailment caused by excessive looseness of the chain. A main transmission support frame 11 is arranged on the rack 8, a driving speed reduction motor 31 is installed on the main transmission support frame 11, and the main transmission support frame 11 is made of H-shaped steel, so that the weight is light and the stress effect is good.
The rinsing water tank is a steel structure welding part, the feeding conical hopper 13 is in a hemispherical shape, the upper inlet is circular, the lower outlet is square, a large amount of wood chip materials can be received and transported, and the feeding conical hopper can be perfectly combined with the square water tank body 12, so that the rinsing water tank is attractive in appearance, economical and applicable. The orifice plate 30 is installed at position 2 below in the middle of water tank body 12 at scraper chain group for deposit such as impurity in the wood chip falls down through the orifice plate after will rinsing, gets into to slag tap and collects the fill, and the collection of slagging tap is fought 14 at rinsing water bottommost, and the cross-section is isosceles trapezoid's structure, is used for collecting the impurity that falls down orifice plate 30 and gets into in scraper slag extractor groove 23 of scraper slag extractor, is carried to the rinsing water tank outside by scraper slag extractor.
The scraper slag extractor adopts a second scraper chain group 29 with a circular chain structure to drive a slag-discharging scraper 28 for transmission, the slag-discharging scraper 28 is formed by welding steel plates and is welded on the second scraper chain group 29, and a second carrier chain wheel group 24 is arranged on the side surface of the slag extractor groove 23; the oblique line section inclination angle of the slag extractor groove 23 is 50 degrees, and a steering wheel set 22 is installed at the turning position of the straight line section and the oblique line section so as to change the second 29 conveying direction of the scraper chain set. Oblique line section of mucking machine groove 23 passes through the connecting piece 32 welding on frame 8, install cycloid pinwheel gear motor 25 on the connecting piece 32, cycloid pinwheel gear motor 25 passes through drive sprocket group 26 and is connected with drive wheel group 27, drive scraper chain group two 29, go out slag scraper 28 and 23 bottom plates in close contact with in mucking machine groove, the impurity that will go out slag collection fill 14 bottoms is whole to be scraped out, and carry the outside unified processing of rinsing water tank, because the slag notch is higher than the rinsing water tank water level, so can not appear water and spill over the phenomenon through the slag notch. And two chain tensioning devices II are arranged at two ends of the transmission chain wheel set and used for tensioning the scraper chain set II.
The wood chip rinsing method for producing the density board adopts the wood chip rinsing equipment, and comprises the following steps:
water is injected into the rinsing water tank, and as the second scraper chain set 29 in the scraper slag extractor 7 rotates circularly, part of water in the rinsing water tank flows out of the rinsing water tank and is continuously supplemented into the rinsing water tank through the feeding conical hopper 13 on the rinsing water tank; conveying the wood chips for producing the density boards to the upper part of a feeding conical hopper 13 of the rinsing water tank through a belt conveyer, and falling into the feeding conical hopper of the rinsing water tank; the first scraper chain group 2 rotates circularly, the wood chips 9 on the first scraper chain group scrape the wood chips floating on the water surface of the rinsing water tank 6 to be washed underwater fully, dust particles on the wood chips are cleaned, impurities and sediments (including cement blocks, iron nails, glass, and the like, as well as broken sawdust, dust and the like) with the density higher than that of the wood chips fall down through a pore plate 30 below the first scraper chain group 2 and enter a slag collection hopper 14; impurities and sediments are separated out through a scraper slag extractor 7 below a slag collection hopper 14; and conveying the cleaned wood chips to the next working procedure for dehydration treatment by the scraper chain device.
The scraper slag extractor 7 in the slag collection hopper 14 at the bottom of the rinsing water tank is closely matched with the slag collection hopper 14, so that the outflow of water in the rinsing water tank is reduced as much as possible. The water flowing out of the bottom of the rinsing water tank can be collected and returned to the feeding conical hopper 13 at the top of the rinsing water tank for recycling.
The wood chip scraper 9 is made of a steel plate, the front end of the wood chip scraper is bent by 90 degrees in an arc shape and then is attached to the pore plate 30, the rear end of the wood chip scraper is welded on the scraper chain group I2, and a plurality of water leakage holes are punched on the wood chip scraper 9 to reduce the transportation resistance; the wood chip scraper 9 scrapes clean wood chips on the pore plate 30 and conveys the cleaned wood chips out of the rinsing water tank 6.
The scraper chain device is used as a main mechanism for conveying water washing wood chips, two sets of chain wheel mechanisms of a driving chain wheel set and a driven chain wheel set are adopted for transmission, chain dropping can be effectively prevented, a supporting chain wheel set and a pressing chain wheel set are adopted for supporting chains in the middle, the whole scraper chain device is in rolling friction transmission, running resistance is greatly reduced, a small gap is kept between a wood chip scraper and a pore plate, general control is within 10mm, impurities and sediments in the wood chips can be effectively leaked into a lower slag discharge collecting hopper through the pore plate, a driving speed reducing motor is installed on the driving chain wheel set and provided with a frequency converter, proper conveying speed can be selected according to actual working requirements, a chain tensioning device I is installed at two ends of a supporting bearing seat and used for regularly tensioning the scraper chain set I.
The rinsing water tank is a steel structure welding part and is a carrier of the whole equipment mechanism. The water tank body is required to have certain strength and sealing performance, water leakage is prevented (the internal water storage capacity is more than 20 cubic meters), water is supplemented continuously in the working process, and the water supplementing quantity is matched according to the quantity of the wood chips to be washed.
The scraper slag extractor can adopt a continuous working mechanism without stopping for a production line with large wood chip washing quantity, and can adopt an intermittent working mechanism for a production line with small wood chip washing quantity, the operation is relatively simple, only a start button is needed to be opened, and a collection box is placed at a slag outlet to collect impurities conveyed by a slag scraper.
The invention is used for: the equipment has the advantages of simple structure, small occupied space and low working energy consumption, integrates the functions of impurity removal and water washing, can recycle water resources, meets the current production requirements of energy conservation and consumption reduction, and can be widely applied to the wood industry processing industry.
Claims (8)
1. A production wood chip rinsing equipment for density board which characterized in that: comprises a scraper chain device, a rinsing water tank (6), a scraper slag extractor (7) and a frame (8); a rinsing water tank (6) and a scraper chain device are arranged on the rack (8), the rinsing water tank (6) consists of a water tank body (12), a feeding conical hopper (13), a pore plate (30) and a slag-tapping collecting hopper (14), the feeding conical hopper (13) is arranged at the upper part of the water tank body (12), the slag-tapping collecting hopper (14) is arranged at the lower part of the water tank body (12), the pore plate (30) is obliquely arranged in the water tank body (12), and the slag-tapping collecting hopper (14) is positioned below the pore plate (30); the scraper chain device comprises a driving chain wheel set (1), a first scraper chain set (2), a driven chain wheel set (5) and a wood chip scraper (9); the driving chain wheel set (1) is arranged at the top of the upper portion of the rack (8) above the rinsing water tank (6), the driven chain wheel set (5) is arranged in the rinsing water tank (6), the driving chain wheel set (1) is connected with the driven chain wheel set (5) through an annular scraper chain set I (2), a plurality of wood chip scrapers (9) are arranged on the scraper chain set I (2), the wood chip scrapers (9) are of arc structures, water leakage holes (10) are densely distributed in the wood chip scrapers (9), and the wood chip scrapers at the bottom of the annular scraper chain set I (2) are matched with the pore plate (30); the water tank body (12) is square, and the width of the wood chip scraper (9) is slightly smaller than that of the water tank body (12) and the pore plate (30); a scraper slag extractor (7) is also arranged on the rack (8), and the scraper slag extractor (7) comprises a driven wheel set (21), a steering wheel set (22), a slag extractor groove (23), a driving wheel set (27), a slag-discharging scraper (28) and a scraper chain set II (29); the slag extractor groove (23) consists of a straight line section and an oblique line section which have the same structure, the straight line section is positioned below the slag collection hopper (14), and the terminal end of the oblique line section is higher than the water surface of the rinsing water tank (6); the driven wheel set (21) is arranged in a straight line segment, the driving wheel set (27) is arranged in an oblique line segment, the driven wheel set (21) is connected with the driving wheel set (27) through an annular scraper chain set II (29), the scraper chain set II (29) is positioned in the slag extractor groove (23), a plurality of slag-discharging scrapers (28) are arranged on the scraper chain set II (29), the slag-discharging scrapers (28) at the bottom of the annular scraper chain set II (29) are matched with the bottom of the slag extractor groove (23), and the width of the slag-discharging scrapers (28) is slightly smaller than that of the slag extractor groove (23); a steering wheel set (22) is arranged at the joint of the straight line section and the oblique line section.
2. The wood chip rinsing equipment for density board production according to claim 1 wherein: a scraper chain group I (2) of the scraper chain device adopts a roller chain to drive a plurality of wood chip scrapers (9) with arc structures for transmission, the wood chip scrapers (9) are made of steel plates, the front ends of the wood chip scrapers are bent by 90 degrees and then attached to a pore plate (30), the rear ends of the wood chip scrapers are welded to the scraper chain group I (2), and a plurality of water leakage holes are punched in the wood chip scrapers (9).
3. The wood chip rinsing equipment for density board production according to claim 1 or 2 characterized in that: a first supporting chain wheel set (3) is mounted on the rinsing water tank (6), and the first supporting chain wheel set (3) supports a chain at the upper part of the first annular scraper chain set (2); a chain at the lower part of the first scraper chain group (2) is provided with a pressing chain wheel group (4), so that the wood chip scraper at the bottom of the annular first scraper chain group (2) is tightly attached to the pore plate (30).
4. The wood chip rinsing equipment for density board production according to claim 1 or 2 characterized in that: the rinsing water tank is a steel structure welding piece, an upper inlet of the feeding conical hopper (13) is circular, and a lower outlet of the feeding conical hopper is square.
5. The wood chip rinsing equipment for density board production according to claim 1 or 2 characterized in that: the scraper slag extractor adopts a scraper chain group II (29) with a circular chain structure to drive a slag-extracting scraper (28) to transmit, the slag-extracting scraper (28) is formed by welding steel plates and is welded on the scraper chain group II (29), and a chain-supporting wheel group II (24) is arranged on the side surface of a slag extractor groove (23); the oblique line section inclination angle of the slag extractor groove (23) is 50 degrees, and a steering wheel set (22) is arranged at the turning position of the straight line section and the oblique line section.
6. The wood chip rinsing equipment for density board production according to claim 1 or 2 characterized in that: the oblique line section of the slag extractor groove (23) is welded on the rack (8) through a connecting piece (32), a cycloidal pin gear speed reducing motor (25) is installed on the connecting piece (32), the cycloidal pin gear speed reducing motor (25) is connected with a driving wheel set (27) through a transmission chain wheel set (26), a driving scraper chain set II (29) is arranged, and a slag extractor scraper (28) is in close contact with a bottom plate of the slag extractor groove (23).
7. A method for rinsing wood chips for the production of density boards, using a chip rinsing plant as defined in any of claims 1 to 6, characterized in that it comprises the following steps:
water is injected into the rinsing water tank, and as the scraper chain group II (29) in the scraper slag extractor (7) rotates circularly, part of water in the rinsing water tank flows out of the rinsing water tank and is continuously supplemented into the rinsing water tank through a feeding conical hopper (13) on the rinsing water tank; wood chips for producing the density boards are conveyed to the upper part of a feeding conical hopper (13) of the rinsing water tank through a belt conveyor and fall into the feeding conical hopper of the rinsing water tank; the first scraper chain group (2) rotates circularly, wood chips floating on the water surface of the rinsing water tank (6) are scraped to the water by a wood chip scraper (9) on the first scraper chain group for full water washing, dust particles on the wood chips are cleaned, impurities and precipitates with the density higher than that of the wood chips fall down through a pore plate (30) below the first scraper chain group (2) and enter a slag collection hopper (14); impurities and sediments are separated out through a scraper slag extractor (7) below a slag collection hopper (14); and conveying the cleaned wood chips to the next working procedure for dehydration treatment by the scraper chain device.
8. The method of claim 7, wherein the wood chips are rinsed by a rinsing process for density board production, comprising the steps of: a scraper slag extractor (7) in a slag collection hopper (14) at the bottom of the rinsing water tank is closely matched with the slag collection hopper (14), so that the outflow of water in the rinsing water tank is reduced; and collecting the water flowing out of the bottom of the rinsing water tank, returning the water to the feeding conical hopper (13) at the top of the rinsing water tank, and recycling the water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309512.1A CN111266360A (en) | 2020-04-20 | 2020-04-20 | Wood chip rinsing equipment and method for producing density board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309512.1A CN111266360A (en) | 2020-04-20 | 2020-04-20 | Wood chip rinsing equipment and method for producing density board |
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| CN111266360A true CN111266360A (en) | 2020-06-12 |
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| CN202010309512.1A Withdrawn CN111266360A (en) | 2020-04-20 | 2020-04-20 | Wood chip rinsing equipment and method for producing density board |
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| CN (1) | CN111266360A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112892054A (en) * | 2021-02-26 | 2021-06-04 | 中冶焦耐(大连)工程技术有限公司 | Equipment for extracting solid particles with specific particle size from tar-ammonia water mixture |
| CN114273319A (en) * | 2022-01-07 | 2022-04-05 | 陈庆森 | Wood piece rinsing equipment and method for low-power-consumption density board production and processing |
| CN116037556A (en) * | 2022-12-29 | 2023-05-02 | 哈尔滨工程北米科技有限公司 | Granule extraction element |
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Application publication date: 20200612 |
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