Environment-friendly papermaking equipment and papermaking process thereof

Abstract

The present application relates to the technical field of papermaking equipment, and discloses an environment-friendly papermaking equipment and a papermaking process thereof, which comprises an equipment shell, a detachable cover body is arranged on the top of the equipment shell, a pulp inlet is arranged on the cover body, a pulp filtering mechanism is arranged on the upper portion of the equipment shell, a multi-stage adjusting type grinding mechanism is arranged on the middle upper portion of the equipment shell and connected with the pulp filtering mechanism, a multi-directional pulp mixing mechanism is arranged on the middle portion of the equipment shell, a cyclone mechanism is arranged on the lower portion of the equipment shell, a pulp outlet is arranged on the bottom of the equipment shell, a driving mechanism is arranged on the bottom of the equipment shell, the driving mechanism is drivingly connected with the cyclone mechanism and the multi-directional pulp mixing mechanism, and the driving mechanism is drivingly connected with the multi-stage adjusting type grinding mechanism through a linkage mechanism. The present application has the advantages of compact structure, low energy consumption, energy saving and environmental protection, and good pulp treatment effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of papermaking equipment, in particular to an environment-friendly papermaking equipment and a papermaking process thereof. BACKGROUND

[0002] The pulp processing link of the existing papermaking equipment usually has the following deficiencies: 1. The filtering effect is poor, which leads to incomplete removal of impurities in the pulp and affects the quality of paper; 2. The grinding mechanism is fixed and cannot be adjusted, so it cannot be adapted to different pulp raw material characteristics, and the grinding precision is limited; 3. The pulp mixing mechanism is mostly one-way stirring, which leads to uneven mixing of the pulp and affects the subsequent paper forming quality; 4. Each mechanism is independently driven, which leads to high energy consumption, complex structure and high maintenance cost of the equipment.

[0003] Therefore, it is of great practical significance to develop a papermaking equipment that is efficient, energy-saving, environmentally friendly and can improve the quality of pulp processing. SUMMARY

[0004] The main inventive concept of the present application is as follows: to provide an environment-friendly papermaking equipment with compact structure, low energy consumption, energy saving and environmental protection, and good pulp processing effect, and a corresponding papermaking process.

[0005] To achieve the above-mentioned purpose, the present application provides an environment-friendly papermaking equipment in a first aspect, comprising a device shell, a detachable cover body is arranged on the top of the device shell, a pulp inlet is arranged on the cover body, a pulp filtering mechanism is arranged on the upper part of the device shell, a multi-stage adjustable grinding mechanism is arranged on the upper-middle part of the device shell and connected with the pulp filtering mechanism, a multi-directional pulp mixing mechanism is arranged on the middle part of the device shell, a cyclone mechanism is arranged on the lower part of the device shell, a pulp outlet is arranged on the bottom of the device shell, and a driving mechanism is arranged on the bottom of the device shell, the driving mechanism is drivingly connected with the cyclone mechanism and the multi-directional pulp mixing mechanism, and the driving mechanism is drivingly connected with the multi-stage adjustable grinding mechanism through a linkage mechanism.

[0006] By adopting the above technical scheme: the coarse pulp enters the inside of the device shell through the pulp inlet, is subjected to multi-stage filtration through the pulp filtering mechanism, and is ground through the multi-stage adjustable grinding mechanism, the multi-stage adjustable grinding mechanism is connected with the driving mechanism through the linkage mechanism in the present application, so that the investment in other power equipment can be reduced, the production cost and energy consumption are reduced, the pulp can be ground more finely, the ground pulp is mixed and stirred through the multi-directional pulp mixing mechanism, and then is discharged through the pulp outlet after being subjected to cyclone through the cyclone mechanism for papermaking.

[0007] Further, the pulp filtering mechanism comprises a spout cover arranged on the upper portion of the device shell, a small-diameter end of the spout cover is connected to the multi-stage adjusting grinding mechanism downward, and a first filtering plate and a second filtering plate are arranged in the spout cover from top to bottom.

[0008] By adopting the above technical scheme, the different size impurities in the pulp can be filtered in stages, and the filtering precision is improved.

[0009] Further, the driving mechanism comprises a placement cavity arranged on the bottom of the device shell, a driving motor is arranged in the placement cavity, a driving shaft is connected to the driving motor, the driving shaft extends into the device shell, and the cyclone mechanism and the multi-directional pulp mixing mechanism are arranged on the driving shaft.

[0010] By adopting the above technical scheme, the driving motor can drive the driving shaft to rotate, and the driving shaft can drive the cyclone mechanism and the multi-directional pulp mixing mechanism to act, so that the pulp in the device shell is mixed.

[0011] Further, the cyclone mechanism comprises a plurality of cyclone blades arranged on the driving shaft.

[0012] By adopting the above technical scheme, the pulp after the cyclone treatment is discharged through the pulp outlet at the bottom for subsequent paper forming and other papermaking processes.

[0013] Further, the multi-directional pulp mixing mechanism comprises a horizontal mixing assembly arranged on the driving shaft and a vertical mixing assembly movably arranged on the inner wall of the device shell, and a touch assembly for driving the vertical mixing assembly to swing is arranged on the horizontal mixing assembly.

[0014] By adopting the above technical scheme:

[0015] Further, the horizontal mixing assembly comprises a plurality of stirring blades arranged on the driving shaft, and the vertical mixing assembly comprises a plurality of swing blades hinged to the inner wall of the device shell through torsion shafts, and an elastic member is arranged between the swing blades and the inner wall of the device shell.

[0016] Further, the touch assembly comprises a touch block arranged on the stirring blade, and a driving inclined surface part for driving the swing blade to swing upward is arranged on the touch block.

[0017] By adopting the above technical scheme, when the stirring blade rotates with the driving shaft, the driving inclined surface part of the touch block contacts the swing blade, and drives the swing blade to swing upward around the torsion shaft, and when the touch block rotates past the swing blade, the swing blade is reset under the action of the elastic member, so that the swing blade swings back and forth, and the pulp mixing effect is enhanced.

[0018] Further, the multi-stage adjustable grinding mechanism comprises an upper adjustable grinding assembly and a lower grinding assembly, and the upper adjustable grinding assembly is connected with the driving shaft through a linkage mechanism.

[0019] Further, the upper adjustable grinding assembly comprises an upper vertebra cavity body connected with the vertebra cover body, the small-diameter end of the upper vertebra cavity body is connected with the vertebra cover body upward, the inside of the upper vertebra cavity body is provided with a first vertebra body connected with the driving shaft, and the inner wall of the upper vertebra cavity body is rotatably connected with an adjusting plate, one end of the adjusting plate is hinged to the bottom of the upper vertebra cavity body through a torsional spring, the other end of the adjusting plate is connected with the linkage mechanism, and the first grinding gap is arranged between the upper vertebra cavity body and the first vertebra body.

[0020] Further, the lower grinding assembly comprises a lower vertebra cavity body arranged on the inner wall of the equipment shell, the small-diameter end of the lower vertebra cavity body is downward, the inside of the lower vertebra cavity body is provided with a second vertebra body connected with the driving shaft, and the second grinding gap is arranged between the lower vertebra cavity body and the second vertebra body, and the second grinding gap gradually decreases from top to bottom.

[0021] Further, the inner wall of the upper vertebra cavity body is provided with a strip groove, the adjusting plate is rotatably arranged in the strip groove, and the inner end of the adjusting plate is in contact connection with the linkage mechanism; the linkage mechanism comprises a touch disc arranged on the upper end of the driving shaft, a plurality of touch rods corresponding to the adjusting plate are arranged on the touch disc, the end of the adjusting plate is provided with an inclined groove, and the touch rods are arranged in the inclined groove.

[0022] By adopting the above technical scheme, the filtered paper pulp enters the multi-stage adjustable grinding mechanism, is preliminarily ground by the upper adjustable grinding assembly, and is finely ground by the lower grinding assembly, so that fine paper pulp is obtained.

[0023] When the driving shaft rotates, the touch disc drives the touch rods to rotate, the touch rods slide in the inclined groove, and the adjusting plate is driven to rotate around the hinge point, so that the size of the first grinding gap is dynamically adjusted, and the paper pulp can be better ground.

[0024] The working process of the environment-friendly papermaking equipment is as follows:

[0025] The coarse paper pulp enters the equipment shell from the pulp inlet, first enters the pulp filtering mechanism, and is filtered by the first pulp filtering plate and the second pulp filtering plate in sequence to remove impurities; the filtered paper pulp enters the multi-stage adjustable grinding mechanism, is preliminarily ground by the upper adjustable grinding assembly, and is finely ground by the lower grinding assembly, so that fine paper pulp is obtained; the ground paper pulp enters the multi-directional pulp mixing mechanism, is fully mixed under the joint action of the horizontal mixing assembly and the vertical mixing assembly; the mixed paper pulp enters the cyclone mechanism, generates rotary flow under the action of the cyclone vane, further optimizes the performance of the paper pulp, and finally is discharged from the pulp outlet for subsequent papermaking processes.

[0026] The application also provides a papermaking process using the above-mentioned environment-friendly papermaking equipment, comprising the following steps:

[0027] The coarse paper pulp enters the upper pulp filtering mechanism of the equipment shell through the pulp inlet, is finely ground by the multi-stage adjustable grinding mechanism, is fully mixed by the multidirectional pulp mixing mechanism inside the equipment shell, and is discharged through the pulp outlet at the bottom after being spun by the cyclone mechanism at the lower part of the equipment shell for papermaking.

[0028] Specifically, the process comprises the following steps:

[0029] Filtering: The coarse paper pulp enters the pulp filtering mechanism at the upper part of the equipment shell through the pulp inlet, and is filtered by the first pulp filtering plate and the second pulp filtering plate in sequence to remove impurities in the paper pulp.

[0030] Grinding: The filtered paper pulp enters the multi-stage adjustable grinding mechanism, is preliminarily ground by the upper adjustable grinding assembly, and is finely ground by the lower grinding assembly to obtain fine and uniform paper pulp.

[0031] Mixing: The ground paper pulp enters the multidirectional pulp mixing mechanism at the middle part of the equipment shell, is fully mixed under the synergistic action of the horizontal mixing assembly and the vertical mixing assembly, and makes the paper pulp components uniform.

[0032] Cyclone: The mixed paper pulp enters the cyclone mechanism at the lower part of the equipment shell, generates cyclone under the action of the cyclone vane, and further optimizes the flow characteristics and uniformity of the paper pulp.

[0033] Discharging: The paper pulp treated by the cyclone is discharged through the pulp outlet at the bottom for subsequent papermaking processes such as paper sheet forming.

[0034] The working principle and beneficial effects of the application are as follows:

[0035] 1. The coarse paper pulp enters the inside of the equipment shell through the pulp inlet, is filtered by the pulp filtering mechanism, and is ground by the multi-stage adjustable grinding mechanism. The multi-stage adjustable grinding mechanism in the application is connected with the driving mechanism through the linkage mechanism, so that the investment in other power equipment can be reduced, the production cost and energy consumption are reduced, the paper pulp can be finely ground, the ground paper pulp is mixed and stirred by the multidirectional pulp mixing mechanism, and then is discharged by the pulp outlet after being spun by the cyclone mechanism for papermaking.

[0036] 2, The filtered paper pulp of the application enters the multi-stage adjusting grinding mechanism, is preliminarily ground by the upper adjusting grinding assembly, is finely ground by the lower grinding assembly, and fine paper pulp is obtained; when the driving shaft rotates, the touch disc drives the touch rod to rotate, the touch rod slides in the inclined groove, and the adjusting plate is driven to rotate around the hinge point, so that the size of the first grinding gap is dynamically adjusted, and the paper pulp can be better ground.

[0037] 3. Environment-friendly and energy-saving: a single driving mechanism is used to drive multiple working mechanisms to work cooperatively, which greatly reduces the energy consumption of the equipment; the overall structure of the equipment is compact, and the floor area is reduced.

[0038] 4. Good paper pulp treatment effect: the pulp filtering mechanism adopts two-stage filtering, which improves the impurity removal effect; the multi-stage adjusting grinding mechanism can dynamically adjust the grinding gap, meet the grinding requirements of different paper pulps, and has high grinding precision; the multi-directional pulp mixing mechanism realizes horizontal and vertical composite stirring, so that the paper pulp is mixed more uniformly; the cyclone mechanism further optimizes the flow characteristics of the paper pulp and improves the subsequent paper sheet forming quality.

[0039] 5. Reasonable structure: the mechanisms are closely connected, the paper pulp flow path is optimized, and the energy loss is reduced; the detachable cover design facilitates the internal maintenance and cleaning of the equipment.

[0040] 6. Convenient operation: the coordinated work of the mechanisms is realized through the linkage mechanism, which simplifies the operation process and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0041] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0042] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0043] Figure 2 It is an enlarged structural schematic diagram of the upper half of the embodiment of the application;

[0044] Figure 3 It is an enlarged structural schematic diagram of the Figure 1 A of the embodiment of the application;

[0045] Figure 4 It is a cooperation structure schematic diagram of the touch rod and the adjusting plate of the embodiment of the application;

[0046] Figure 5 It is a cooperation structure schematic diagram of the stirring blade and the swing blade of the embodiment of the application.

[0047] The marks of various features in the drawings are as follows:

[0048] 1, device shell; 2, detachable cover; 3, pulp inlet; 4, pulp filtering mechanism; 41, spout cover; 42, first pulp filtering plate; 43, second pulp filtering plate; 5, multi-stage adjustable grinding mechanism; 51, upper adjustable grinding assembly; 511, upper spool cavity; 512, first spool; 513, slot; 514, adjusting plate; 515, inclined groove; 516, first grinding gap; 517, torsional spring; 52, lower grinding assembly; 521, lower spool cavity; 522, second spool; 523, second grinding gap; 6, driving mechanism; 61, installation cavity; 62, driving shaft; 63, driving motor; 7, linkage mechanism; 71, touch disc; 72, touch rod; 8, multi-directional pulp mixing mechanism; 81, horizontal mixing assembly; 811, stirring blade; 82, vertical mixing assembly; 821, torsional shaft; 822, oscillating blade; 823, elastic member; 83, touch assembly; 831, touch block; 832, driving inclined surface; 9, cyclone mechanism; 91, cyclone blade; 10, pulp outlet. DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0050] The main inventive concept of the present application is as follows: to provide an environmentally friendly papermaking equipment with compact structure, low energy consumption, energy saving and environmental protection, and good paper pulp treatment effect, and a corresponding papermaking process.

[0051] Reference Figure 1 The first aspect of the present embodiment provides an environmentally friendly papermaking equipment comprising a device shell 1 made of stainless steel material, which has good corrosion resistance and structural strength. The top of the device shell 1 is provided with a detachable cover 2, which is connected to the device shell 1 by bolts, facilitating opening for internal maintenance. The detachable cover 2 is provided with a pulp inlet 3 for introducing coarse paper pulp.

[0052] Reference Figure 1 The upper part of the device shell 1 is provided with a pulp filtering mechanism 4, which comprises a spout cover 41 arranged on the upper part of the device shell 1. The small-diameter end of the spout cover 41 is connected downwardly to a multi-stage adjustable grinding mechanism 5. The inside of the spout cover 41 is provided with a first pulp filtering plate 42 and a second pulp filtering plate 43 from top to bottom. The filtering precision of the second pulp filtering plate 43 is greater than that of the first pulp filtering plate 42. The aperture of the first pulp filtering plate 42 is 0.5-1mm, and the aperture of the second pulp filtering plate 43 is 0.1-0.3mm, realizing the graded filtration of different sizes of impurities in the paper pulp.

[0053] The middle upper part of the device shell 1 is provided with a multi-stage adjusting grinding mechanism 5 connected with the pulp filtering mechanism 4, and the multi-stage adjusting grinding mechanism 5 comprises an upper adjusting grinding assembly 51 and a lower grinding assembly 52.

[0054] The upper adjusting grinding assembly 51 comprises an upper vertebra cavity body 511 connected with the vertebra cover body 41, and the small-diameter end of the upper vertebra cavity body 511 is connected with the vertebra cover body 41 upward. The inside of the upper vertebra cavity body 511 is provided with a first vertebra body 512 connected with the driving shaft 62, and a first grinding gap 516 is arranged between the upper vertebra cavity body 511 and the first vertebra body 512. A strip groove 513 is arranged on the inner wall of the upper vertebra cavity body 511, and a regulating plate 514 is rotatably connected in the strip groove 513. One end of the regulating plate 514 is hinged to the bottom of the upper vertebra cavity body 511 through a torsion spring 517, and the other end is in contact with the linkage mechanism 7. The size of the first grinding gap 516 can be changed by rotating the regulating plate 514, so that the paper pulp is dynamically ground.

[0055] The lower grinding assembly 52 comprises a lower vertebra cavity body 521 arranged on the inner wall of the device shell 1, and the small-diameter end of the lower vertebra cavity body 521 is downward. The inside of the lower vertebra cavity body 521 is provided with a second vertebra body 522 connected with the driving shaft 62, and a second grinding gap 523 is arranged between the lower vertebra cavity body 521 and the second vertebra body 522. The second grinding gap 523 gradually decreases from top to bottom, so as to further finely grind the paper pulp.

[0056] The middle part of the device shell 1 is provided with a multi-directional pulp mixing mechanism 8, and the multi-directional pulp mixing mechanism 8 comprises a horizontal mixing assembly 81 arranged on the driving shaft 62 and a vertical mixing assembly 82 movably arranged on the inner wall of the device shell 1. The horizontal mixing assembly 81 comprises a plurality of stirring blades 811 arranged on the driving shaft 62, and the stirring blades 811 are uniformly distributed along the circumference of the driving shaft 62. The vertical mixing assembly 82 comprises a plurality of swing blades 822 hinged to the inner wall of the device shell 1 through a torsion shaft 821, and a spring is arranged between the swing blades 822 and the inner wall of the device shell 1. The horizontal mixing assembly 81 is provided with a touch assembly 83 for pushing the vertical mixing assembly 82 to swing, and the touch assembly 83 comprises a touch block 831 arranged on the stirring blade 811, and a driving inclined surface part 832 for pushing the swing blade 822 to swing upward is arranged on the touch block 831. When the stirring blade 811 rotates with the driving shaft 62, the driving inclined surface part 832 of the touch block 831 is in contact with the swing blade 822, and the swing blade 822 is pushed to swing upward around the torsion shaft 821. When the touch block 831 rotates past the swing blade 822, the swing blade 822 is reset under the action of the elastic member 823, so as to realize the reciprocating swing of the swing blade 822 and enhance the mixing effect of the pulp.

[0057] The lower part of the device shell 1 is provided with a cyclone mechanism 9, which comprises a plurality of cyclone blades 91 arranged on the driving shaft 62 in a spiral shape, so as to make the pulp produce rotary flow and further optimize the uniformity of the pulp. The bottom of the device shell 1 is provided with a pulp outlet 10 for discharging the treated pulp.

[0058] The device further comprises a driving mechanism 6 arranged at the bottom of the device shell 1, which comprises a mounting cavity 61 arranged at the bottom of the device shell 1, and a driving motor 63 arranged inside the mounting cavity 61. The driving motor 63 is connected with the driving shaft 62, which extends into the device shell 1. The cyclone mechanism 9 and the multi-directional pulp mixing mechanism 8 are arranged on the driving shaft 62. The driving mechanism 6 is drivingly connected with the multi-stage adjusting grinding mechanism 5 through a linkage mechanism 7. The linkage mechanism 7 comprises a touch disc 71 arranged at the upper end of the driving shaft 62. The touch disc 71 is provided with a plurality of touch rods 72 corresponding to the adjusting plates 514. The end of the adjusting plate 514 is provided with a beveled groove 515. The touch rod 72 is located inside the beveled groove 515. When the driving shaft 62 rotates, the touch disc 71 drives the touch rod 72 to rotate, and the touch rod 72 slides in the beveled groove 515, thereby pushing the adjusting plate 514 to rotate around the hinge point, so as to dynamically adjust the size of the first grinding gap.

[0059] The working process of the environment-friendly papermaking device is as follows:

[0060] The coarse pulp enters the device shell 1 from the pulp inlet 3, first enters the pulp filtering mechanism 4, and then passes through the first pulp filtering plate 42 and the second pulp filtering plate 43 for two-stage filtration to remove impurities in the pulp. The filtered pulp enters the multi-stage adjusting grinding mechanism 5, is preliminarily ground by the upper adjusting grinding assembly 51, and then is finely ground by the lower grinding assembly 52 to obtain fine pulp. The ground pulp enters the multi-directional pulp mixing mechanism 8, and is fully mixed under the joint action of the horizontal mixing assembly 81 and the vertical mixing assembly 82. The mixed pulp produces rotary flow under the action of the cyclone blades 91, further optimizes the performance of the pulp, and is finally discharged from the pulp outlet 10 for subsequent papermaking processes.

[0061] In a second aspect of the embodiment, a papermaking process using the environment-friendly papermaking device is provided, which comprises the following steps:

[0062] Filtering: The coarse pulp enters the device shell 1 from the pulp inlet 3, and then passes through the first pulp filtering plate 42 and the second pulp filtering plate 43 for two-stage filtration to remove impurities in the pulp.

[0063] Grinding: The filtered pulp enters the multi-stage adjusting grinding mechanism 5, is preliminarily ground by the upper adjusting grinding assembly 51, and then is finely ground by the lower grinding assembly 52 to obtain fine and uniform pulp.

[0064] Mixing: the ground pulp enters the multi-directional mixing mechanism 8 in the middle of the equipment shell 1, and is fully mixed by the horizontal mixing assembly 81 and the vertical mixing assembly 82, so that the pulp components are uniform;

[0065] Rotational flow: the mixed pulp enters the rotational flow mechanism 9 in the lower part of the equipment shell 1, and rotational flow is generated under the action of the rotational flow sheet 91, so that the flow characteristics and uniformity of the pulp are further optimized;

[0066] Pulp outlet: the pulp after the rotational flow treatment is discharged through the pulp outlet 10 at the bottom, and is used for subsequent paper sheet forming and other papermaking processes.

[0067] The above only describes the preferred embodiments of the present application and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An environmentally friendly papermaking equipment, characterized in that, The device shell (1) is provided with a detachable cover (2) at the top, the detachable cover (2) is provided with a pulp inlet (3), the upper part of the device shell (1) is provided with a pulp filtering mechanism (4), the middle upper part of the device shell (1) is provided with a multi-stage adjustable grinding mechanism (5) connected with the pulp filtering mechanism (4), the middle part of the device shell (1) is provided with a multi-directional pulp mixing mechanism (8), the lower part of the device shell (1) is provided with a cyclone mechanism (9), the bottom is provided with a pulp outlet (10), further comprising a driving mechanism (6) arranged at the bottom of the device shell (1), the driving mechanism (6) is drivingly connected with the cyclone mechanism (9) and the multi-directional pulp mixing mechanism (8), the driving mechanism (6) is drivingly connected with the multi-stage adjustable grinding mechanism (5) through the linkage mechanism (7); The driving mechanism (6) comprises a mounting cavity (61) arranged at the bottom of the device shell (1), the mounting cavity (61) is internally provided with a driving motor (63), the driving motor (63) is connected with a driving shaft (62), the driving shaft (62) extends into the device shell (1), and the cyclone mechanism (9) and the multi-directional pulp mixing mechanism (8) are arranged on the driving shaft (62); The multi-directional pulp mixing mechanism (8) comprises a horizontal mixing assembly (81) arranged on the driving shaft (62) and a vertical mixing assembly (82) movably arranged on the inner wall of the device shell (1), and the horizontal mixing assembly (81) is provided with a touch assembly (83) for driving the vertical mixing assembly (82) to swing; The horizontal mixing assembly (81) comprises a plurality of stirring blades (811) arranged on the driving shaft (62); The vertical mixing assembly (82) comprises a plurality of swing blades (822) hinged to the inner wall of the device shell (1) through torsion shafts (821), and elastic elements (823) are arranged between the swing blades (822) and the inner wall of the device shell (1); The touch assembly (83) comprises a touch block (831) arranged on the stirring blade (811), and the touch block (831) is provided with a driving inclined surface portion (832) for driving the swing blade (822) to swing upward; The multi-stage adjustable grinding mechanism (5) comprises an upper adjustable grinding assembly (51) and a lower grinding assembly (52), and the upper adjustable grinding assembly (51) is connected with the driving shaft (62) through the linkage mechanism (7); The upper adjustable grinding assembly (51) comprises an upper vertebra cavity (511) connected with a vertebra cover (41), the small-diameter end of the upper vertebra cavity (511) is connected with the vertebra cover (41) upward, the inside of the upper vertebra cavity (511) is provided with a first vertebra-shaped body (512) connected with the driving shaft (62), the inner wall of the upper vertebra cavity (511) is rotatably connected with an adjusting plate (514), one end of the adjusting plate (514) is hinged to the bottom of the upper vertebra cavity (511) through a torsion spring (517), the other end is connected with the linkage mechanism (7), and a first grinding gap (516) is arranged between the upper vertebra cavity (511) and the first vertebra-shaped body (512); The inner wall of the upper vertebra cavity body (511) is provided with a slot (513), and the adjusting plate (514) is rotationally arranged in the slot (513) and has an inner end connected with the linkage mechanism (7); The linkage mechanism (7) comprises a touch disc (71) arranged on the upper end of the driving shaft (62), and the touch disc (71) is provided with a plurality of touch rods (72) corresponding to the adjusting plate (514); the end of the adjusting plate (514) is provided with a bevel groove (515), and the touch rod (72) is arranged in the bevel groove (515).

2. The environmentally friendly papermaking equipment according to claim 1, characterized in that, The pulp filtering mechanism (4) comprises a vertebra port cover body (41) arranged on the upper part of the equipment shell (1), the small-diameter end of the vertebra port cover body (41) is connected with the multi-stage adjusting grinding mechanism (5) downward, and the inside of the vertebra port cover body (41) is provided with a first pulp filtering plate (42) and a second pulp filtering plate (43) from top to bottom, and the filtering precision of the second pulp filtering plate (43) is greater than that of the first pulp filtering plate (42).

3. The environmentally friendly papermaking equipment according to claim 1, characterized in that, The cyclone mechanism (9) comprises a plurality of cyclone blades (91) arranged on the driving shaft (62).

4. The environmentally friendly papermaking equipment according to claim 1, characterized in that, The lower grinding assembly (52) comprises a lower vertebra cavity body (521) arranged on the inner wall of the equipment shell (1), the small-diameter end of the lower vertebra cavity body (521) is downward, and the inside of the lower vertebra cavity body (521) is provided with a second vertebra body (522) connected with the driving shaft (62); the second vertebra body (522) is arranged between the lower vertebra cavity body (521) and the second vertebra body (522), and the second grinding gap (523) gradually decreases from top to bottom.

5. A process for papermaking using the environment-friendly papermaking equipment according to claim 1, characterized in that, The method comprises the following steps: The coarse pulp enters the equipment shell (1) through the pulp inlet (3) and is filtered by the upper pulp filtering mechanism (4), the filtered pulp is finely ground by the multi-stage adjusting grinding mechanism (5), the ground pulp is fully mixed by the multi-directional pulp mixing mechanism (8) in the equipment shell (1), and then the pulp is discharged through the bottom pulp outlet (10) after being rotated by the cyclone mechanism (9) at the lower part of the equipment shell (1) for papermaking.

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