CN217663736U - Wood chip chipping, crushing, washing and screening device for pulping - Google Patents
Wood chip chipping, crushing, washing and screening device for pulping Download PDFInfo
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- CN217663736U CN217663736U CN202221295580.8U CN202221295580U CN217663736U CN 217663736 U CN217663736 U CN 217663736U CN 202221295580 U CN202221295580 U CN 202221295580U CN 217663736 U CN217663736 U CN 217663736U
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- washing
- screening device
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- screening
- conveyor
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- 238000012216 screening Methods 0.000 title claims abstract description 86
- 239000002023 wood Substances 0.000 title claims abstract description 60
- 238000005406 washing Methods 0.000 title claims abstract description 59
- 238000004537 pulping Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002893 slag Substances 0.000 claims abstract description 9
- 238000007873 sieving Methods 0.000 claims abstract description 6
- 239000012634 fragment Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003818 cinder Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000010409 ironing Methods 0.000 claims description 2
- 230000002950 deficient Effects 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 5
- 238000002203 pretreatment Methods 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 34
- 239000012535 impurity Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 241000274582 Pycnanthus angolensis Species 0.000 description 6
- 239000011087 paperboard Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model provides a pulping is with broken washing sieving mechanism of wood chip chipping, relate to pulping raw materials pre treatment facility technical field, the technical scheme who adopts includes first conveyor, breaker's discharge gate bottom is provided with second conveyor, second conveyor is connected to first screening plant, first screening plant's recrushing discharge gate is connected to the recrushing chute, first screening plant's reclassification discharge gate is connected to second screening plant, first screening plant's piece discharge gate and second screening plant's piece discharge gate all are connected to third conveyor, second screening plant's non-defective products discharge gate is connected to the non-defective products chute, third conveyor connects gradually to first washing device, the second washing device, the third screening plant, the fourth screening plant, fourth screening plant's discharge gate is connected to the disintegrating slag chute, fourth screening plant's delivery port is connected to the return water pond. The utility model discloses accomplish the edulcoration of raw and other materials, breakage to become the wood chip of multiple size in grades.
Description
Technical Field
The utility model relates to a slurrying raw materials pre treatment facility technical field especially relates to a pulping is with broken washing sieving mechanism of wood chip chipping.
Background
The paper-making industry is an industry which depends heavily on raw materials, the imported paper pulp and imported wood chips are limited by overseas markets, the yield of domestic wood chips is limited, the total amount of domestic waste paper resources is limited, and more pulping and paper-making enterprises begin to look at using other raw materials for pulping and making paper, such as agriculture and forestry residues, waste building templates, waste wood packaging boxboards and other raw materials which are treated to be used for producing paper pulp or preparing paper-making fillers. The three residues of agriculture and forestry refer to felling residues, lumber making residues and processing residues. Because the sources of raw materials such as agricultural and forestry residues, waste building templates, waste wood packing boxboards and the like are complex, the storage conditions and the storage time are different, the difference between the moisture and the density is large, the contained components are complex, and the raw materials contain bark, knots, nails, iron sheets, sandstone sludge and other various impurities which are not suitable for pulping and papermaking, the existing pulping process can not be adapted to the raw materials, so that the processed wood chips have different thicknesses and lengths, low qualification rate and the risk of equipment damage.
SUMMERY OF THE UTILITY MODEL
After adopting raw and other materials such as agriculture and forestry three surplus, old and useless building templates, abandonment timber packing boxboard among the technical scheme, current pulping process not only can lead to the wood chip thickness that processing was come out different in size, the qualification rate is low, has the problem of the impaired risk of equipment moreover, the utility model provides a pulping is with broken washing sieving mechanism of wood chip chipping.
The utility model provides a following technical scheme: the utility model provides a pulping is with broken washing sieving mechanism of wood chip chipping, includes first conveyor, first conveyor's discharge gate is connected to breaker, breaker's discharge gate bottom is provided with second conveyor, second conveyor's discharge gate is connected to first screening plant, first screening plant's recrushment discharge gate is connected to recrushment chute, first screening plant's reclassification discharge gate is connected to second screening plant through the chute, first screening plant's piece discharge gate and second screening plant's piece discharge gate all are connected to third conveyor, second screening plant's non-defective products discharge gate is connected to the non-defective products chute, third conveyor's discharge gate is connected to first washing plant, first washing plant's discharge gate is connected to second washing plant, second washing plant's discharge gate is connected to third screening plant, third screening plant's non-defective products discharge gate is connected to the non-defective products chute, third screening plant's piece discharge gate is connected to fourth screening plant, fourth screening plant's discharge gate is connected to the disintegrating slag chute, fourth screening plant's delivery port is connected to the return water pond.
Preferably, first conveyor is including the drag chain conveyor, roller conveyer and the band conveyer that connect gradually, second, third conveyor are band conveyer, band conveyer is provided with metal detector and de-ironing separator.
Preferably, the crushing device is a chipper crusher.
Preferably, the first screening device is a three-layer vibration grading screen, the second and third screening devices are cylinder screening machines, and the fourth screening device is a slant screen.
Preferably, the first washing device and the second washing device both comprise a washing tank, a rotating shaft rotatably connected between a pair of parallel side walls of the washing tank, a plurality of paddle boards arranged on the rotating shaft and a driving motor in transmission connection with the rotating shaft, the bottom of the washing tank is a tapered tank with a large top and a small bottom, a slag discharge port is arranged at the bottom of the tapered tank, and a valve is arranged at the slag discharge port.
Preferably, the water return pool is provided with a water pump, and the water pump is connected to the top of the washing pool through a water pipe.
The utility model has the advantages that: the utility model discloses utilize crushing equipment, many sets of screening equipment and many sets of washing equipment, accomplish the crushing of raw and other materials such as agriculture and forestry three remains, old and useless building templates, abandonment timber packing boxboard, edulcoration to become the comparatively unified wood chip of multiple size in grades, make it be suitable for and utilize prior art to carry out further processing.
Drawings
Fig. 1 is a connection diagram of an apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic view of an embodiment of the first washing tank of the present invention.
Reference numerals: 10-a first conveying device, 11-a chain plate conveyor, 12-a roller conveyor, 13-a belt conveyor, 20-a crushing device, 30-a second conveying device, 40-a first screening device, 50-a second screening device, 60-a third conveying device, 70-a first washing device, 71-a washing tank, 72-a rotating shaft, 73-a paddle board, 74-a driving motor, 75-a slag discharge port, 80-a second washing device, 90-a third screening device, 100-a fourth screening device, 110-a water return tank and 111-a water pump.
Detailed Description
The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a pulping is with wood chip chipping crushing washing sieving mechanism as shown in fig. 1-2, including first conveyor 10, the discharge gate of first conveyor 10 is connected to breaker 20, the discharge gate bottom of breaker 20 is provided with second conveyor 30, the discharge gate of second conveyor 30 is connected to first screening plant 40, the recrushing discharge gate of first screening plant 40 is connected to the recrushing chute, the discharge gate of reclassification of first screening plant 40 is connected to second screening plant 50 through the chute, the fragment discharge gate of first screening plant 40 and the fragment discharge gate of second screening plant 50 all are connected to third conveyor 60, the non-defective products discharge gate of second screening plant 50 is connected to the non-defective products chute, the discharge gate of third conveyor 60 is connected to first washing plant 70, the discharge gate of first washing plant 70 is connected to second washing plant 80, the discharge gate of second washing plant 80 is connected to third screening plant 90, the non-defective products discharge gate of third screening plant 90 is connected to fourth screening plant 100, the discharge gate of fourth screening plant 100 is connected to the return water tank 100, the non-defective products discharge gate of second screening plant 110 is connected to the return water outlet.
The crushing device 20 is used for crushing the raw materials with larger sizes, such as agriculture and forestry residue, waste building templates, waste wood packing boxboards and the like, into wood chips with smaller sizes, wherein the crushed products comprise impurities, such as oversize wood chips, wood knots which are difficult to crush, large wood chips, middle wood chips, small wood chips, crushed wood chips, sandstone sludge and the like; the oversize wood chips are wood chips with the length of more than 55mm, the width of more than 55mm and the thickness of more than 15 mm; the wood sections which are difficult to break are wood sections with the length being more than 55mm and the width being more than 55 mm; the large wood chip is a wood chip with the length of 40 to 55mm, the width of 40 to 55mm and the thickness of 4 to 15mm; the middle wood chip is a wood chip with the length of 25 to 40mm, the width of 25 to 40mm and the thickness of 4 to 15mm; the small wood chips and the broken wood chips are wood chips with the length of less than 25mm, the width of less than 25mm and the thickness of 4 to 15mm; the diameter of impurities such as sand and mud is less than 4mm. Impurities that are obviously unsuitable for pulp, such as knots, bark, iron pieces and sand, can be removed manually before being fed to the breaking device 20. The size of the various chips is determined according to the size of the crushing plant, and other sizes than the above may be used.
The first screening device 40 is used to classify the crushed products of the crushing device 20. The oversize wood chips and the wood knots which are difficult to crush enter a re-crushing chute from a re-crushing discharge port and are sent back to a raw material yard; the mixture of the large wood chips and part of the smaller wood chips enters a second screening device through a reclassification discharge port and a chute for reclassification; most of the mixture of wood chips, small wood chips, crushed wood chips and impurities is transported from the chip outlet and the third transporting device 60 to the first washing device 70. The second screening device 50 is used for screening out wood chips with the length of 40 to 55mm, the width of 40 to 55mm and the thickness of 4 to 15mm, conveying the wood chips to the existing chemical mechanical pulp making operation through a good product discharge port and a good product chute, and conveying other mixtures to the first washing device 70 through a third conveying device 60.
The first washing device and the second washing device are used for washing impurities such as sand and stones attached to the surfaces of the wood chips and screening the wood chips by using density differences of the wood chips, the impurities and water. The wood chips screened by the first washing device 70 enter the second washing device 80 to be washed and screened again so as to remove impurities as much as possible. The wood chips screened by the second washing device 80 enter a third screening device 90 for grading, the screened wood chips with the lengths of 25 to 40mm, the widths of 25 to 40mm and the thicknesses of 4 to 15mm are conveyed to the existing chemical mechanical pulp pulping operation through a good product discharge port and a good product chute, the other wood chips with the lengths of less than 25mm and the widths of less than 25mm enter a fourth screening device 100 to separate the wood chips from water, the wood chips are conveyed to the existing mechanical pulp pulping operation through the discharge port and a slag chute, and the water enters a recovery pond.
The utility model discloses utilize crushing equipment, many sets of screening equipment and many sets of washing equipment, accomplish the crushing of raw and other materials such as agriculture and forestry three remains, old and useless building templates, abandonment timber packing boxboard, the edulcoration to become the comparatively unified wood chip of multiple size with raw and other materials gradation, make it be suitable for and utilize prior art to carry out further processing.
Preferably, the first conveying device 10 comprises a chain scraper conveyor 11, a roller conveyor 12 and a belt conveyor 13 which are connected in sequence, the second and third conveying devices are belt conveyors, and the belt conveyor 13 is provided with a metal detector and an iron remover.
Preferably, the crusher 20 is a drum chipper crusher, the specification of the screen hole of the crusher can be 70 x 70mm, and the specifications of the chipper and crushed wood chips can be 25 to 55mm in length, 25 to 55mm in width and 4 to 15mm in thickness.
Preferably, the first screening device 40 is a three-layer vibratory classifying screen, the second and third screening devices are cylindrical screening devices, and the fourth screening device 100 is a diagonal screen. The mesh aperture of the first screening device 40 can be 55mm, 40mm; the mesh opening size of the second screening device 50 may be 40mm; the mesh size of the third screening device 90 may be 25mm; the screen aperture of the fourth screening device 100 may be 4mm, and is mainly used for filtering out the remaining impurities.
Preferably, the first washing device and the second washing device each comprise a washing tank 71, a rotating shaft 72 rotatably connected between a pair of parallel side walls of the washing tank 71, a plurality of paddles 73 arranged on the rotating shaft 72, and a driving motor 74 in transmission connection with the rotating shaft 72, the bottom of the washing tank 71 is a tapered tank with a large top and a small bottom, the bottom of the tapered tank is provided with a slag discharge port 75, and the slag discharge port is provided with a valve. Washing tank 71 and taper pond can adopt the concrete system or stainless steel to make, and the inner wall of washing tank can be followed vertical direction and extended, and the taper pond is used for compiling sedimentary impurity, is convenient for regularly follow row cinder notch and arranges sediment.
Preferably, the water returning tank 110 is provided with a water pump 111, the water pump 111 is connected to the top of the washing tank 71 through a water pipe, and the water pump 111 may be a centrifugal pump to supply washing water to the first and second washing devices.
The foregoing is directed to one or more embodiments of the present invention, which are described in some detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a pulping is with broken washing sieving mechanism of wood chip chipping which characterized in that: comprising a first conveyor device (10), the discharge opening of the first conveyor device (10) being connected to a crushing device (20), a second conveying device (30) is arranged at the bottom of the discharge hole of the crushing device (20), the discharge opening of the second conveying device (30) is connected to a first screening device (40), the re-crushing discharge of the first screening device (40) is connected to a re-crushing chute, the reclassification discharge port of the first screening device (40) is connected to the second screening device (50) through a chute, the fragment discharge port of the first screening device (40) and the fragment discharge port of the second screening device (50) are both connected to a third conveying device (60), the good product discharge port of the second screening device (50) is connected to a good product chute, the discharge port of the third conveying device (60) is connected to a first washing device (70), the discharge port of the first washing device (70) is connected to a second washing device (80), the discharge of the second washing device (80) is connected to a third screening device (90), a good product discharge port of the third screening device (90) is connected to a good product chute, a fragment discharge port of the third screening device (90) is connected to a fourth screening device (100), the discharge hole of the fourth screening device (100) is connected to a slag chute, and the water outlet of the fourth screening device (100) is connected to a water return pool (110).
2. The wood chip chipping, crushing, washing and screening device for pulping according to claim 1, characterized in that: first conveyor (10) are band conveyer including chain scraper conveyor (11), roller conveyer (12) and band conveyer (13) that connect gradually, second, third conveyor are band conveyer, band conveyer (13) are provided with metal detector and de-ironing separator.
3. The wood chip chipping, crushing, washing and screening device for pulping according to claim 1, characterized in that: the crushing device (20) is a chipping crusher.
4. The wood chip chipping, crushing, washing and screening device for pulping according to claim 1, characterized in that: the first screening device (40) is a three-layer vibration grading screen, the second screening device and the third screening device are cylinder screening devices, and the fourth screening device (100) is an inclined screen.
5. The wood chip chipping, crushing, washing and screening device for pulping according to claim 1, characterized in that: first, second washing device all include wash tank (71), rotate to be connected axis of rotation (72), a plurality of paddle (73) of setting on axis of rotation (72) between a pair of parallel lateral wall of wash tank (71) and driving motor (74) of being connected with axis of rotation (72) transmission, the bottom of wash tank (71) is big-end-up's taper pond, the bottom in taper pond is provided with row cinder notch (75), it is provided with the valve to arrange the cinder notch.
6. The wood chip chipping, crushing, washing and screening device for pulping according to claim 5, characterized in that: the water return tank (110) is provided with a water pump (111), and the water pump (111) is connected to the top of the washing tank (71) through a water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221295580.8U CN217663736U (en) | 2022-05-27 | 2022-05-27 | Wood chip chipping, crushing, washing and screening device for pulping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221295580.8U CN217663736U (en) | 2022-05-27 | 2022-05-27 | Wood chip chipping, crushing, washing and screening device for pulping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217663736U true CN217663736U (en) | 2022-10-28 |
Family
ID=83704275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221295580.8U Active CN217663736U (en) | 2022-05-27 | 2022-05-27 | Wood chip chipping, crushing, washing and screening device for pulping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217663736U (en) |
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2022
- 2022-05-27 CN CN202221295580.8U patent/CN217663736U/en active Active
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