CN112342811B

CN112342811B - High-efficient environmental protection papermaking production line

Info

Publication number: CN112342811B
Application number: CN202011236811.3A
Authority: CN
Inventors: 尚勇; 牛浩蒙; 毕研凯
Original assignee: Shandong Haitian Paper Making Machinery Co ltd
Current assignee: Shandong Haitian Paper Making Machinery Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2022-11-25
Anticipated expiration: 2040-11-09
Also published as: CN112342811A

Abstract

The invention relates to a high-efficiency environment-friendly papermaking production line, and belongs to the technical field of papermaking mechanical equipment. The method is characterized in that: including the defibrination equipment, the feeding device of defibrination equipment can drop into the coarse crushing device with waste paper raw materials in, the coarse crushing device can be with the coarse crushing coarse paper pulp of waste paper raw materials, carries to the sieve material device in through rivers helping hand again, gets into the pulp washing device after the screening of sieve material device is filtered, gets into the fine grinding material device after the washing operation of pulp washing device, gets into in the storage device after the careful grinding of fine grinding material device. The invention can automatically feed, coarsely crush, circulate and infiltrate paper, screen, grind and refine paper scraps to finally obtain fine paper pulp which is stored for papermaking operation.

Description

High-efficient environmental protection papermaking production line

Technical Field

The invention relates to a high-efficiency environment-friendly papermaking production line, and belongs to the technical field of papermaking mechanical equipment.

Background

Waste paper is an important renewable resource, and the recycling of the waste paper is an effective way for solving three problems of raw material shortage, energy shortage, serious pollution and the like in the paper industry. The high-quality waste paper is also called as secondary fiber, and the recycled secondary fiber is used as a papermaking raw material, so that the use amount of a large amount of wood can be reduced, and the environment is protected. Generally, 1 ton of high-quality waste paper can be used for making paper by about 800 kg, 2-3 tons of wood can be saved, 1000 kW.h of electricity can be saved, and 50 m of water can be saved ³ . The high-quality waste paper recycling technology is not completely developed and matured in China, and imported production equipment is complex in structure and high in price and cannot be completely adapted to the production environment of China. The difficulty of waste paper recycling lies in the pulping processing technology of waste paper, and because no proper matched equipment exists, the prior art can not efficiently convert the high-quality waste paper into fine paper pulp, and finally the quality of the recycled and output paper can not be ensured.

In view of this, the applicant designs an efficient and environment-friendly papermaking production line, which can efficiently process and convert high-quality waste paper into fine paper pulp, is environment-friendly and energy-saving, and effectively improves the quality of manufactured paper products.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the efficient and environment-friendly papermaking production line which can efficiently process and convert waste paper into fine paper pulp with high quality, and effectively improve the quality of the manufactured paper products.

The specific technical scheme of the invention is as follows: the utility model provides a high-efficient environmental protection papermaking production line which characterized in that: the pulping equipment comprises a pulping machine frame, wherein a feeding device, a coarse crushing device, a screening device, a pulp washing device, a fine grinding device and a pulp storage device which are sequentially connected from front to back are arranged on the pulping machine frame;

throw the material device and can drop into coarse crushing material device with waste paper raw materials in, coarse crushing material device can be with the coarse crushing coarse paper pulp of waste paper raw materials, carries to the sieve material device in through the rivers helping hand again, gets into the pulp washing device after the screening of sieve material device is filtered, gets into the fine grinding material device behind the washing operation of pulp washing device, gets into in the storage device after the careful grinding of fine grinding material device.

Preferably, the feeding device and the coarse crushing device are both arranged on the ground through the pulping machine frame; the feeding device comprises a feeding pulley, a feeding outer front guide rail, a feeding outer rear rail, a feeding inner front rail and a feeding inner rear guide rail; the rough crushing device comprises a rough crushing box body, a feeding port is formed in the upper portion of the left side of the rough crushing box body, the lower ends of the feeding outer front guide rail, the feeding outer rear guide rail, the feeding inner front guide rail and the feeding inner rear guide rail are vertically fixed on the ground, and the upper ends of the feeding outer front guide rail, the feeding outer rear guide rail, the feeding inner front guide rail and the feeding inner rear guide rail are respectively connected with the upper front side, the upper rear side, the lower front side and the lower rear side of the feeding port; the feeding outer front rail and the feeding outer rear rail are in a shape of a Chinese character 'ji', and the feeding inner front rail and the feeding inner rear rail are in a vertical straight rod shape; the feeding device comprises a feeding pulley, a feeding outer front rail, a feeding outer rear rail, a feeding inner front rail and a feeding inner rear rail, wherein the feeding pulley is arranged on the feeding outer front rail, the feeding outer rear rail, the feeding inner front rail and the feeding inner rear rail; the inner front rail pulley and the inner rear rail pulley are respectively arranged in the inner chutes of the feeding inner front rail and the feeding inner rear rail; the outer track pulley and the inner track pulley are both driven by an electric roller and can move back and forth along the inner chute;

when the feeding pulley is at the initial position of the lower part, the feeding pulley is in a horizontal state, and waste paper raw materials are filled in a hopper of the feeding pulley; the inner front rail pulley, the inner rear rail pulley, the outer front rail pulley and the outer rear rail pulley are started, the feeding pulley is made to horizontally rise to the upper limit of the inner front rail of the feeding and the upper limit of the inner rear rail of the feeding, the inner front rail pulley and the inner rear rail pulley stop, the outer front rail pulley and the outer rear rail pulley continue to move, the left side of the feeding pulley is made to rotate and move upwards until a hopper of the feeding pulley is aligned with a feeding port to be connected, and the waste paper raw materials are poured into a crushed material box body of the coarse crushing device.

Preferably, an upper material shifting bin and a lower crushing bin are arranged in a coarse material box body of the coarse material crushing device, a material shifting rotating shaft is arranged in the upper material shifting bin, a plurality of flexible material shifting rotary wings are radially arranged on the material shifting rotating shaft, and the material shifting rotating shaft can drive the flexible material shifting rotary wings to rotate and shift out waste paper raw materials in a feeding tackle at a feeding port to fall into the lower crushing bin; the upper end of the lower crushing bin is open, a left inner bin wall and a right inner bin wall of the lower crushing bin are respectively provided with a plurality of mutually parallel left vertical blades and right vertical blades in a longitudinal and transverse array mode, left paper cutting gaps are arranged among the left vertical blades, and right paper cutting gaps are arranged among the right vertical blades; a rotary paper cutting rotating shaft is arranged in each horizontally opposite left paper cutting gap and right paper cutting gap, a plurality of paper cutting rotary cutters are radially arranged on the rotary paper cutting rotating shaft, and each paper cutting rotary cutter can be driven to rotate when rotating and cut and crush waste paper raw materials together with the left vertical blade and the right vertical blade;

the bottom of the coarse crushing material box is provided with an open feed opening, three layers of water spraying rings are arranged on the inner peripheral wall of the feed opening, water spraying holes are arrayed on the three layers of water spraying rings in an annular mode, and the water spraying holes are connected with a first water source and/or a second water source through a water spraying pipe and a water spraying pump; the lower parts of the three layers of water spraying rings are connected with a discharging hopper, and a screening device is connected behind the discharging hopper; the blanking funnel and the screening device are arranged below the ground.

Preferably, the pulping machine frame comprises a W-shaped channel, the W-shaped channel comprises a U-shaped front conveying channel and a U-shaped rear conveying channel, the left end of the front conveying channel is connected with the lower end of the blanking funnel, a power-assisted water outlet pipe is arranged at the left lower part of a vertical pipe at the left end of the front conveying channel, the water outlet end of the power-assisted water outlet pipe faces the right side, and the water inlet end of the power-assisted water outlet pipe is connected with a first water source and/or a second water source; the right end of the front material conveying channel is connected with the left end of the rear material conveying channel, and the right end of the rear material conveying channel is connected with the fine grinding material device;

the screening device comprises a screening conveying pump and a vibrating screen, the screening conveying pump is mounted at a right end vertical pipe of a front conveying channel, the vibrating screen is arranged at the front end of a rear conveying channel, the screening conveying pump can pump coarse paper pulp to the upper side of the vibrating screen, and the coarse paper pulp falls to the middle rear portion of the rear conveying channel after being screened by the vibrating screen.

Preferably, the vibrating material sieve comprises a sieve body and a material sieve hydraulic driving device, the sieve body is a metal screen with magnetism, the material sieve hydraulic driving device comprises a driving water wheel, the driving water wheel is installed on a water wheel supporting frame through a water wheel rotating shaft, and the water wheel supporting frame supports and is fixed on the inner side wall of the left end vertical pipe of the rear material conveying channel; the periphery of the driving water wheel is sleeved with a water wheel outer gear, a screen body driving transmission function group is installed in a clamping space between a left end vertical pipe and a right end vertical pipe of the rear material conveying channel, the screen body driving transmission function group comprises a first driving straight gear, a second driving straight gear, a first driving bevel gear and a second driving bevel gear, the first driving straight gear is horizontally installed on the left side of the clamping space through a first gear shaft, and the second driving straight gear and the first driving bevel gear are sequentially fixed on a second gear shaft in a penetrating mode from bottom to top; the second driving bevel gear is vertically arranged above the first driving bevel gear; the left side of the first driving straight gear is meshed with the water wheel outer gear, and the right side of the first driving straight gear is meshed with the left side of the second driving straight gear; the first driving bevel gear is meshed with the second driving bevel gear; the outer wheel surface of the second driving bevel gear is hinged with the lower end of a driving rocker, and the upper end of the driving rocker is hinged with the lower end of a lifting guide rod; a guide plate is arranged at the upper part of the clamping space, a lifting guide hole is longitudinally formed in the guide plate, and the upper end of the lifting guide rod penetrates through the lifting guide hole in the guide plate and then is hinged to the right side of the screen body; the left side of the screen body is hinged and fixed on a screen body fixing vertical plate through a spring hinge shaft, and the screen body fixing vertical plate is fixed above the joint of the front material conveying channel and the rear material conveying channel; the screen body is arranged from left to right in an inclined and downward manner; the water outlet of the sieve material conveying pump faces to and is higher than the upper side of the left end of the sieve body.

Preferably, the washing device is positioned at the middle rear part of the rear material conveying channel; the washing device comprises a plurality of washing and flushing pipes, the washing and flushing pipes are arranged on the inner peripheral wall of the middle part of the rear conveying channel, the water outlet ends of the washing and flushing pipes face the right side, and the water inlet ends of the washing and flushing pipes are connected with a first water source and/or a second water source; the lower part of a right vertical pipe of the rear material conveying channel is provided with a rotary impeller, the side wall of the right vertical pipe of the rear material conveying channel is provided with a pulp washing water recycling water outlet, and a pulp filter screen is arranged on the pulp washing water recycling water outlet.

Preferably, the pulping machine frame comprises an upper frame body, a first underground bin body and a second underground bin body, the feeding device and the coarse crushing device are sequentially installed on the upper frame body from left to right, the screening device and the pulp washing device are both arranged in the first underground bin body, and the fine grinding material device and the pulp storage device are both arranged in the second underground bin body;

a U-shaped fine slurry channel is arranged in the second underground bin body, and the fine abrasive device is arranged in a vertical pipe at the right end of the fine slurry channel; the slurry storage device is arranged in a transverse pipe of the fine slurry channel and comprises a plurality of anti-precipitation water wheels, wherein a precipitation partition plate is arranged between the anti-precipitation water wheels, the upper end of the precipitation partition plate is arranged on the upper top surface of the transverse pipe, and a slurry passing gap is reserved between the precipitation partition plate and the lower bottom surface of the transverse pipe.

Preferably, the right vertical pipe of the fine slurry channel is communicated with the upper part of the right vertical pipe of the rear material conveying channel through a material passing through hole, and a liquid material switch valve is installed on the material passing through hole; installing a fine grinding material device on the upper part of the fine slurry channel, wherein the fine grinding material device comprises a fine grinding material motor, a first grinding material rotating disc, a first fine material sieve, a second grinding material rotating disc and a second fine material sieve; the first fine screen and the second fine screen are sequentially arranged on the upper part of a right end vertical pipe of the fine pulp channel from top to bottom; a first grinding material rotating disc and a second grinding material tray are respectively arranged on the first fine material sieve and the second fine material sieve, and the middle shafts of the first grinding material rotating disc and the second grinding material rotating disc are coaxially fixed with the motor shaft of a fine grinding material motor into a whole; the fine grinding material motor can drive the first grinding material rotating disc and the second grinding material rotating disc to respectively rotate and mill paper pulp on the first fine material sieve and the second fine material sieve; the mesh aperture of the first fine material sieve is larger than that of the second fine material sieve.

Preferably, the slurry feeding device also comprises a slurry flowing device, and the slurry flowing device is arranged in a right end vertical pipe of the fine slurry channel; the slurry flowing device comprises a slurry flowing homogenizing motor, a motor shaft of the slurry flowing homogenizing motor is connected with a lifting ridge stirring unit, and the lifting ridge stirring unit is vertically arranged in a vertical pipe at the right end of the slurry refining channel; a first slurry strip hole, a second slurry strip hole and a third slurry strip hole are sequentially formed in the left side wall of the right end vertical pipe of the fine slurry channel from top to bottom, and a first slurry guide pipe, a second slurry guide pipe and a third slurry guide pipe are sequentially arranged on the right sides of the first slurry strip hole, the second slurry strip hole and the third slurry strip hole; the first flow guide pipe, the second flow guide pipe and the third flow guide pipe are all bent pipes with cross sections in a shape like the Chinese character 'kou' or 'U';

the papermaking mesh blanket machine is arranged on the outer side of the left part of the right end vertical pipe of the fine pulp channel and comprises a rotating shaft for mesh blanket transmission, and the rotating shaft for mesh blanket transmission is sleeved with a papermaking mesh blanket and can drive the papermaking mesh blanket to move from right to left; the papermaking mesh blanket is arranged below the liquid outlet ends of the first flow slurry guide pipe, the second flow slurry guide pipe and the third flow slurry guide pipe; a draining recovery tank is arranged below the papermaking mesh blanket, paper pulp is divided into a lower layer pulp flow waterfall, a middle layer pulp flow waterfall and an upper layer pulp flow waterfall through a third pulp flow guide pipe, a second pulp flow guide pipe and a first pulp flow guide pipe, the lower layer pulp flow waterfall, the middle layer pulp flow waterfall and the upper layer pulp flow waterfall sequentially fall onto the papermaking mesh blanket from right to left in a front-to-back manner, and an upper layer pulp layer, a middle layer pulp layer and a lower layer pulp layer are sequentially laminated on the papermaking mesh blanket from top to bottom; the upper layer paper pulp layer, the middle layer paper pulp layer and the lower layer paper pulp layer are overlapped to form a complete paper surface; the water in the paper pulp is filtered by a paper making net blanket, and the drained water falls into a draining recovery pond.

Preferably, the first water source is a clean tap water source;

the second water source is a water source which is recycled after the recovered water in the papermaking process is filtered; the water recovered in the papermaking process comprises filtered water after pulp washing and draining of a papermaking mesh blanket; the papermaking mesh blanket draining accumulation is temporarily stored in a draining recovery tank, a draining water outlet is formed in the draining recovery tank, the draining water outlet is provided with a water inlet end of a draining water outlet pipe, and the draining water outlet pipe is communicated with a water inlet end of a water spraying pipe, a water inlet end of a power-assisted water outlet pipe and/or a water inlet end of a pulp washing flushing pipe through a draining water outlet pump;

conveying the washed filtered water to the upper part of the vibrating screen through a washing and filtering water recycling device; the washing water filtering recycling device comprises a recovery header pipe; the washing water recycling water outlet is provided with a liquid inlet end of a recycling header pipe, the liquid outlet end of the recycling header pipe is provided with a liquid inlet of a shunting pump, a first liquid outlet of the shunting pump is communicated with a waste liquid pool through a waste liquid collecting pipeline, and a second liquid outlet of the shunting pump is connected with a water flow filtering driving device through a recycling pipeline;

the water wheel filtering and driving device comprises a water wheel filtering and driving shell, a first liquid inlet, a second liquid inlet and a liquid outlet are respectively formed in the upper portion and the lower portion of the water wheel filtering and driving shell, the liquid outlet end of the recycling pipeline is respectively communicated with a first water outlet branch pipe and a second water outlet branch pipe, the lower ends of the first water outlet branch pipe and the second water outlet branch pipe are respectively aligned to the first liquid inlet and the second liquid inlet of the water wheel filtering and driving shell from top to bottom, and a first water outlet electromagnetic valve and a second water outlet electromagnetic valve are respectively installed on the first water outlet branch pipe and the second water outlet branch pipe; the upper end of a liquid outlet flow guide pipe is arranged on a liquid outlet of the water wheel filtering driving shell, the lower end of the liquid outlet flow guide pipe is provided with a rectifying liquid-separating plate, and rectifying liquid-separating holes are uniformly formed in the rectifying liquid-separating plate; the upper part of the sieve body is open, and the lower end of the liquid outlet flow guide pipe is aligned to the upper part of the sieve body of the vibrating material sieve; a filtrate water wheel rotating shaft is arranged in the water wheel filtering driving shell, a plurality of filtering wheel blades are radially arranged on the filtrate water wheel rotating shaft, a plurality of strip-shaped water filtering through holes are formed in the filtering wheel blades, and a water filtering net is arranged in each water filtering through hole;

when the first water outlet electromagnetic valve is opened and the second water outlet electromagnetic valve is closed, the shunt pump is started, the washed wastewater in the vertical pipe at the right end of the rear conveying channel enters the liquid inlet of the shunt pump after being filtered by the paper pulp filter screen and enters the first liquid inlet of the water wheel filter driving shell through the first water outlet branch pipe, the filter wheel blades are driven to rotate around the filtrate water wheel rotating shaft in the positive direction, the washed wastewater falls to the upper part of the screen body after being filtered by the water filter screen on the filter wheel blades and then is subjected to uniform rectification by the liquid outlet flow guide pipe and the rectification liquid distribution plate, and the screening operation is assisted; when the filter is required to be shut down for maintenance after being used for a period of time, the first water outlet electromagnetic valve is closed, the second water outlet electromagnetic valve is opened, clean water is filled in the rear material conveying channel at the moment, the clean water can enter the second liquid inlet of the water wheel filtering driving shell along the second water outlet branch pipe, the filtering wheel blades are driven to reversely rotate around the filtrate water wheel rotating shaft, and the filtering wheel blades are reversely flushed.

The invention has the beneficial effects that:

1. the invention can automatically feed, coarsely crush, circulate and infiltrate paper, screen, grind and refine paper scraps to finally obtain fine paper pulp which is reserved for papermaking operation. The invention can efficiently process and convert the waste paper into fine paper pulp with high quality, effectively improves the quality of the manufactured paper products, reduces the labor intensity, improves the production efficiency, and is suitable for popularization in the industry.

2. When the feeding pulley is in a horizontal state at the initial position of the lower part, waste paper raw materials can be filled into a hopper of the feeding pulley through a solid material conveying pipeline; the inner front rail pulley, the inner rear rail pulley, the outer front rail pulley and the outer rear rail pulley are started, the feeding pulley is horizontally lifted to the upper limit position of the inner front rail of the feeding pulley and the upper limit position of the inner rear rail of the feeding pulley, the inner front rail pulley and the inner rear rail pulley stop, the outer front rail pulley and the outer rear rail pulley continue to move, the left side of the feeding pulley is rotated and moved upwards until a hopper of the feeding pulley is aligned and connected with a feeding port, automatic feeding operation of waste paper is achieved, the feeding pulley is automatically lifted and aligned and connected with the feeding port in the feeding process, dust is not prone to leaking, the maintenance of a clean working environment is facilitated, and the labor intensity of workers is reduced.

3. When the feeding pulley is completely aligned with the feeding port, the material stirring rotating shaft can drive the flexible material stirring rotary wings to rotate and stir out waste paper raw materials in the feeding pulley positioned at the feeding port to fall into the lower crushing bin; rotatory cut paper pivot can drive each cut paper rotary cutter when rotating and found the sword with a left side and found the sword with the right side and cut broken waste paper raw materials, through the shredded paper bits of the meticulous shearing of multilayer, further soak by the high pressure water flow of hole for water spraying spun again and hit the bits of broken, the thick paper pulp that the output flows, dry wet processing combines to set up in one set of equipment of thick crushed aggregates device, and is more energy-conserving high-efficient.

4. In the sieve material device, sieve material delivery pump can promote the wet paper bits and carry to the top of screen frame, through the vibratory screening of screen frame, and the very few is not smashed careful big paper bits and can be by the mesh separation of screen frame, presss from both sides the metallics that carry and can be adsorbed by the screen frame, can not follow it to flow in next link.

5. The pulp washing device can wash and clean the paper pulp for multiple times, so that the soluble dirt or pigment in the paper pulp is taken away by the washing water; the washing water can be recycled and used for multiple rounds, so that the reuse of precious resources is realized, and the energy conservation and emission reduction are promoted.

6. Store up thick liquid device and include that a plurality of prevents deposiing water wheels, prevent deposiing water wheels and can realize thin paper pulp conveying function when, prevent that paper pulp from deposiing in the bottom, cause the siltation extravagant. All set up the sedimentation baffle between each anti-settling water wheels, the last top surface at violently managing is installed to the upper end of sedimentation baffle, deposits the thick liquid clearance of leaving between the lower bottom surface of baffle and violently managing, and thick distribution state about the thin pulp overall in storing up the thick liquid device is thick down, for avoiding a large amount of thin stock to get into head of a paper device, influences the shaping quality of head of a paper product, and this design makes thick paper pulp priority pass through, guarantees the thickness and the evenness quality of shaping paper.

7. The flow-flowing device is provided with three layers of flow-flowing material guide pipes, the lifting and stirring members are driven by the flow-flowing homogenizing motor to upwards convey the fine paper pulp, the paper pulp with different levels can be shunted and guided out, even if the paper pulp with a single layer is locally uneven, a wet paper layer with uniform thickness can be formed on the papermaking mesh after the paper pulp is laid in multiple layers, and the output quality is uniform and constant.

8. The second water source can be a water source that is reused after filtering paper process recycled water, including post-pulp washing filtered water and paper making clothing draining. The recycled water source can be used for water flow boosting conveying or filtering boosting of coarse paper scraps in the early stage of paper pulp manufacturing, and the effects of energy conservation and consumption reduction are achieved. In addition, because rivers helping hand promotes the filter wheel blade and rotates, not only can purify and recycle water, can also further export through filtrating waterwheel pivot and rotate kinetic energy, if drive through belt pulley transmission system and dial material pivot and the synchronous rotation of flexible material rotary wing, save motor setting quantity and electric energy consumption.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the mounting arrangement of the feeding device and the coarse crushing device;

FIG. 3 is a schematic view of the installation and cooperation structure of the material sieving device, the pulp washing device and the fine abrasive device;

FIG. 4 is a schematic view of the construction of a fine abrasive device;

FIG. 5 is a schematic view of the construction of a headbox;

FIG. 6 is a schematic structural view of a filter blade;

in the figure: 1. a pulping frame; 1.1, a first underground cabin body; 1.2, a second underground cabin body; 1.3, a rear material conveying channel; 1.4, a front material conveying channel; 1.5, a power-assisted water outlet pipe;

2. a feeding device; 2.1, feeding an inner front rail; 2.2, feeding an outer front guide rail; 2.3, feeding a material pulley; 2.4, an outer front rail pulley; 2.5, an inner front rail pulley;

3. a coarse crushing device; 3.1, a blanking funnel; 3.2, water spraying holes; 3.3, a water spraying ring; 3.4, rotating the paper cutting rotating shaft; 3.5, cutting paper and rotating a cutter; 3.6, a right vertical blade; 3.7, arranging a crushing bin; 3.8, feeding the material shifting bin; 3.9, flexibly stirring the material and rotating the wings; 3.10, a material stirring rotating shaft; 3.11, a coarse crushing material box body; 3.12, a feeding port; 3.13, a left vertical blade;

4. the water wheel filtering driving device; 4.1, a waste liquid pool; 4.2, a waste liquid collecting pipe; 4.3, a recovery header pipe; 4.4, a shunt pump; 4.5, recycling pipelines; 4.6, a second liquid inlet; 4.7, a second water outlet electromagnetic valve; 4.8, a second water outlet branch pipe; 4.9, the water wheel filtration driving shell; 4.10, a first water outlet electromagnetic valve; 4.11, a first water outlet branch pipe; 4.12, a filtrate water wheel rotating shaft; 4.13, a first liquid inlet; 4.14, filter blade; 4.15, liquid outlet flow guide pipe; 4.16, water filtering through holes; 4.17, a water filter screen;

5. a fine abrasive device; 5.1, a first abrasive turntable; 5.2, a fine abrasive motor; 5.3, a middle shaft of the first abrasive material rotating disc and the second abrasive material rotating disc; 5.4, a first fine material sieve; 5.5, a second fine material sieve;

6. a pulp washing device; 6.1, washing a pulp and flushing pipe; 6.2, rotating the impeller; 6.3, a liquid material switch valve; 6.4, passing through the material through hole;

7. a material screening device; 7.1, a material screening and conveying pump; 7.2, a spring hinge shaft; 7.3, a screen body; 7.4, a guide plate; 7.5, lifting guide rods; 7.6, driving a rocker; 7.7, a second driving spur gear; 7.8, a first driving spur gear; 7.9, a water wheel external gear; 7.10, driving a water wheel; 7.11, a water wheel support frame; 7.12, a second drive bevel gear; .

8. A slurry storage device; 8.1, preventing a precipitation water wheel; 8.2, a sedimentation separator;

9. a flow-slurry device; 9.1, a draining recovery tank; 9.2, a rotating shaft for conveying the net carpet; 9.3, papermaking clothing; 9.4, a second slurry guide pipe; 9.5, a first slurry guide pipe; 9.6, a third slurry guide pipe; 9.7, uniformly stirring the slurry and a motor; 9.8, lifting the ridge stirring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The invention relates to a high-efficiency environment-friendly papermaking production line which comprises pulping equipment, a pulp flowing device, a drying device and a calendaring device. The innovative structure of the invention is mainly embodied on the refining equipment and the pulp flowing device, the drying device and the calendaring device are not limited, and the mature existing equipment can be adopted.

As shown in fig. 1, the refining apparatus includes a refiner frame, on which a feeding device, a coarse crushing device, a screening device, a pulp washing device, a fine grinding device and a pulp storage device are installed, which are connected in series. The pulping machine frame comprises an above-ground frame body, a first underground bin body and a second underground bin body, the feeding device and the coarse crushing device are sequentially installed on the above-ground frame body from left to right, the screening device and the pulp washing device are both arranged in the first underground bin body, and the fine grinding material device and the pulp storage device are both arranged in the second underground bin body. The device is divided into an overground part and an underground part, so that the intensive structural design can fully utilize the production space, and the pulping and pulp flowing operation process is carried out in a shape of \8835.

As shown in fig. 2, the feeding device and the coarse crushing device are both arranged on the ground through the refining stand; the feeding device comprises a feeding pulley, a feeding outer front guide rail, a feeding outer rear rail, a feeding inner front rail and a feeding inner rear guide rail; the rough crushing device comprises a rough crushing box body, a feeding port is formed in the upper portion of the left side of the rough crushing box body, the lower ends of the feeding outer front guide rail, the feeding outer rear guide rail, the feeding inner front guide rail and the feeding inner rear guide rail are vertically fixed on the ground, and the upper ends of the feeding outer front guide rail, the feeding outer rear guide rail, the feeding inner front guide rail and the feeding inner rear guide rail are respectively connected with the upper front side, the upper rear side, the lower front side and the lower rear side of the feeding port; the feeding outer front rail and the feeding outer rear rail are in a shape of a Chinese character 'ji', and the feeding inner front rail and the feeding inner rear rail are in a vertical straight rod shape; the feeding device comprises a feeding pulley, a feeding outer front rail, a feeding outer rear rail, a feeding inner front rail and a feeding inner rear rail, wherein the feeding pulley is arranged on the feeding outer front rail, the feeding outer rear rail, the feeding inner front rail and the feeding inner rear rail; the inner front rail pulley and the inner rear rail pulley are respectively arranged in the inner chutes of the feeding inner front rail and the feeding inner rear rail; the outer track pulley and the inner track pulley are both driven by the electric roller and can reciprocate along the inner chute.

An upper material stirring bin and a lower crushing bin are arranged in a coarse crushing material box body of the coarse crushing material device, a material stirring rotating shaft is arranged in the upper material stirring bin, a plurality of flexible material stirring rotary wings are radially arranged on the material stirring rotating shaft, and the material stirring rotating shaft can drive the flexible material stirring rotary wings to rotate and stir out waste paper raw materials in a feeding tackle at a feeding port to fall into the lower crushing bin; the upper end of the lower crushing bin is open, a left inner bin wall and a right inner bin wall of the lower crushing bin are respectively provided with a plurality of mutually parallel left vertical blades and right vertical blades in a longitudinal and transverse array mode, left paper cutting gaps are arranged among the left vertical blades, and right paper cutting gaps are arranged among the right vertical blades; all install a rotatory cut paper pivot in the relative left cut paper clearance of each level and right cut paper clearance, radially install a plurality of cut paper rotary cutter in the rotatory cut paper pivot, can drive each cut paper rotary cutter when rotatory cut paper pivot rotates and found the sword with the left side and found the sword with the right side and cut broken waste paper raw materials.

The bottom of the coarse crushing material box is provided with an open feed opening, three layers of water spraying rings are arranged on the inner peripheral wall of the feed opening, water spraying holes are uniformly arranged on the three layers of water spraying rings in an annular array mode, and the water spraying holes are connected with a first water source and/or a second water source through a water spraying pipe and a water spraying pump; the lower parts of the three layers of water spraying rings are connected with a discharging hopper, and a screening device is connected behind the discharging hopper; the blanking funnel and the screening device are arranged below the ground.

As shown in fig. 1 and 3, the pulping machine frame comprises a W-shaped channel, the W-shaped channel comprises a U-shaped front conveying channel and a U-shaped rear conveying channel, the left end of the front conveying channel is connected with the lower end of a blanking funnel, a power-assisted water outlet pipe is arranged at the left lower part of a vertical pipe at the left end of the front conveying channel, the water outlet end of the power-assisted water outlet pipe faces the right side, and the water inlet end of the power-assisted water outlet pipe is connected with a first water source and/or a second water source; the right end of the front material conveying channel is connected with the left end of the rear material conveying channel, and the right end of the rear material conveying channel is connected with the fine grinding material device.

As shown in fig. 3, the screening device includes a screening delivery pump and a vibrating screen, the screening delivery pump is installed at a right end vertical pipe of the front material conveying channel, the vibrating screen is arranged at the front end of the rear material conveying channel, the screening delivery pump can pump coarse pulp to the upper side of the vibrating screen, and the coarse pulp falls to the middle rear portion of the rear material conveying channel after being screened by the vibrating screen.

The vibrating material screen comprises a screen body and a material screen hydraulic driving device, wherein the screen body is a magnetic metal screen, the material screen hydraulic driving device comprises a driving water wheel, the driving water wheel is installed on a water wheel supporting frame through a water wheel rotating shaft, and the water wheel supporting frame supports and fixes the inner side wall of a vertical pipe at the left end of a rear material conveying channel; the periphery of the driving water wheel is sleeved with a water wheel outer gear, a screen body driving transmission function group is installed in a clamping space between a left end vertical pipe and a right end vertical pipe of the rear material conveying channel, the screen body driving transmission function group comprises a first driving straight gear, a second driving straight gear, a first driving bevel gear and a second driving bevel gear, the first driving straight gear is horizontally installed on the left side of the clamping space through a first gear shaft, and the second driving straight gear and the first driving bevel gear are sequentially fixed on a second gear shaft in a penetrating mode from bottom to top; the second driving bevel gear is vertically arranged above the first driving bevel gear; the left side of the first driving straight gear is meshed with the water wheel outer gear, and the right side of the first driving straight gear is meshed with the left side of the second driving straight gear; the first driving bevel gear is meshed with the second driving bevel gear; the outer wheel surface of the second driving bevel gear is hinged with the lower end of a driving rocker, and the upper end of the driving rocker is hinged with the lower end of a lifting guide rod; a guide plate is arranged at the upper part of the clamping space, a lifting guide hole is longitudinally formed in the guide plate, and the upper end of the lifting guide rod penetrates through the lifting guide hole in the guide plate and then is hinged to the right side of the screen body; the left side of the screen body is hinged and fixed on a screen body fixing vertical plate through a spring hinge shaft, and the screen body fixing vertical plate is fixed above the joint of the front material conveying channel and the rear material conveying channel; the screen body is arranged from left to right in an inclined and downward manner; the water outlet of the screening material conveying pump faces to and is higher than the upper side of the left end of the screen body. The water flow which is flushed down from the screen body can drive the water wheel to rotate, then the water wheel outer gear is sequentially meshed with the first driving straight gear, the second driving straight gear, the first driving bevel gear and the second driving bevel gear to rotate, meanwhile, the driving rocker drives the lifting guide rod to move up and down, and the right end of the screen body is made to screen upper materials in an up-and-down vibrating mode.

As shown in fig. 3, the washing apparatus is located at the middle rear part of the rear delivery channel; the washing device comprises a plurality of washing and flushing pipes, the washing and flushing pipes are arranged on the inner peripheral wall of the middle part of the rear conveying channel, the water outlet ends of the washing and flushing pipes face the right side, and the water inlet ends of the washing and flushing pipes are connected with a first water source and/or a second water source; the lower part of the right vertical pipe of the back material conveying channel is provided with a rotary impeller, the side wall of the right vertical pipe of the back material conveying channel is provided with a washing water recycling water outlet, and a paper pulp filter screen is arranged on the washing water recycling water outlet.

As shown in fig. 4, a "U" -shaped fine slurry channel is arranged in the second underground silo body, and the fine abrasive device is arranged in a vertical pipe at the right end of the fine slurry channel; the slurry storage device is arranged in a transverse pipe of the fine slurry channel and comprises a plurality of anti-precipitation water wheels; all set up the sedimentation baffle between each prevents deposiing the water wheels, the upper end of subsiding the baffle is installed at the last top surface of violently managing, and the thick liquid clearance is kept between the lower bottom surface of subsiding baffle and violently managing.

The right end vertical pipe of the fine slurry channel is communicated with the upper part of the right end vertical pipe of the rear material conveying channel through a material passing through hole, and a liquid material switch valve is installed on the material passing through hole; installing a fine grinding material device on the upper part of the fine slurry channel, wherein the fine grinding material device comprises a fine grinding material motor, a first grinding material rotating disc, a first fine material sieve, a second grinding material rotating disc and a second fine material sieve; the first fine screen and the second fine screen are sequentially arranged on the upper part of a right end vertical pipe of the fine pulp channel from top to bottom; a first grinding material rotating disc and a second grinding material loading disc are respectively arranged on the first fine material sieve and the second fine material sieve, and the middle shafts of the first grinding material rotating disc and the second grinding material rotating disc and the motor shaft of the fine grinding material motor are coaxially fixed into a whole; the fine grinding material motor can drive the first grinding material rotating disc and the second grinding material rotating disc to respectively rotate on the first fine material sieve and the second fine material sieve to grind paper pulp; the mesh aperture of the first fine material sieve is larger than that of the second fine material sieve.

The pulping process of the invention is installed with the following flow operations:

when the feeding pulley is at the initial position of the lower part, the feeding pulley is in a horizontal state, and waste paper raw materials are filled in a hopper of the feeding pulley; starting the inner front rail pulley, the inner rear rail pulley, the outer front rail pulley and the outer rear rail pulley, enabling the feeding pulley to rise horizontally to the upper limit of the inner front rail of the feeding pulley and the upper limit of the inner rear rail of the feeding pulley, stopping the inner front rail pulley and the inner rear rail pulley, enabling the outer front rail pulley and the outer rear rail pulley to continue moving, and enabling the left side of the feeding pulley to rotate upwards until a hopper of the feeding pulley is aligned with a feeding port to be connected.

When the feeding pulley is completely aligned with the feeding port, the material stirring rotating shaft can drive the flexible material stirring rotary wings to rotate and stir out waste paper raw materials in the feeding pulley positioned at the feeding port to fall into the lower crushing bin; when the rotary paper cutting rotating shaft rotates, each rotary paper cutting knife can be driven to rotate and cut broken waste paper raw materials with the left vertical blade and the right vertical blade.

The water spraying holes on the three layers of water spraying rings are connected with the first water source and/or the second water source through the water spraying pipes and the water spraying pump, water is sprayed inwards through the water spraying holes, and chopped coarse paper scraps can be humidified, soaked and filled into the front material conveying channel. And starting the boosting water pipe to spray water to the right, and generating boosting water flow to flush the coarse paper scraps to a water inlet at the lower end of the screening material conveying pump. The wet paper scraps can be lifted and conveyed to the upper part of the screen body by the screening material conveying pump. Through the vibration screening of screen frame, the very few big wastepaper that is not smashed meticulous can be by the mesh separation of screen frame, presss from both sides the metallics that carry and can be adsorbed by the screen frame, can not flow into next link thereupon.

And the screened coarse paper pulp enters a pulp washing device positioned at the middle rear part of the rear material conveying channel, clean water in a pulp washing flushing pipe washes the coarse paper pulp, the coarse paper pulp enters the right end of the rear material conveying channel, and the coarse paper pulp is washed under the action of the rotating turbulence of a rotating impeller. In the washing process, the liquid material switch valve is in a closed state, so that coarse paper pulp cannot enter the fine grinding material device through the material passing through hole. After one round of washing, opening a slurry recovery water outlet, discharging sewage contained in the coarse paper pulp from a purified water recovery water outlet, and preventing the coarse paper pulp from losing due to the blockage of a paper pulp filter screen; after several rounds of washing, the raw pulp becomes clean. And opening the liquid material switch valve to enable clean coarse paper pulp to enter the fine grinding material device from the material passing through hole.

In the fine grinding material device, the fine grinding material motor can drive the first grinding material rotating disc and the second grinding material rotating disc to rotate on the first fine material sieve and the second fine material sieve respectively to grind paper pulp, the mesh aperture of the first fine material sieve is larger than that of the second fine material sieve, coarse paper pulp is rolled and sieved by two wheels to become fine paper pulp, and then the fine paper pulp enters the pulp storage channel to finish the production operation from waste paper to fine paper pulp.

Store up thick liquid device and include that a plurality of prevents deposiing water wheels, prevent deposiing water wheels and can realize thin paper pulp conveying function when, prevent that paper pulp from deposiing in the bottom, cause the siltation extravagant. All set up the sedimentation baffle between each anti-settling water wheels, the last top surface at violently managing is installed to the upper end of sedimentation baffle, deposits the thick liquid clearance of leaving between the lower bottom surface of baffle and violently managing, and thick distribution state about the thin pulp overall in storing up the thick liquid device is thick down, for avoiding a large amount of thin stock to get into head of a paper device, influences the shaping quality of head of a paper product, and this design makes thick paper pulp priority pass through, guarantees the thickness and the evenness quality of shaping paper.

Example two

As shown in fig. 1 and 5, a headbox device is also included in the present invention. The pulp flowing device is arranged in a right end vertical pipe of the fine pulp channel; the slurry flowing device comprises a slurry flowing homogenizing motor, a motor shaft of the slurry flowing homogenizing motor is connected with a lifting ridge stirring unit, and the lifting ridge stirring unit is vertically arranged in a vertical pipe at the right end of the slurry refining channel; a first flow pulp strip hole, a second flow pulp strip hole and a third flow pulp strip hole are sequentially formed in the left side wall of the right end vertical pipe of the fine pulp channel from top to bottom, and a first flow pulp guide pipe, a second flow pulp guide pipe and a third flow pulp guide pipe are sequentially arranged on the right sides of the first flow pulp strip hole, the second flow pulp strip hole and the third flow pulp strip hole; the first flow guiding pipe, the second flow guiding pipe and the third flow guiding pipe are all bent pipes with cross sections in a shape like the Chinese character 'kou' or 'U'.

Arranging a papermaking mesh blanket machine on the outer side of the left part of a right end vertical pipe of the fine pulp channel, wherein the papermaking mesh blanket machine comprises a rotating shaft for mesh blanket transmission, and a papermaking mesh blanket is sleeved on the rotating shaft for mesh blanket transmission and can be driven to move from right to left; the papermaking mesh blanket is arranged below the liquid outlet ends of the first flow slurry guide pipe, the second flow slurry guide pipe and the third flow slurry guide pipe; a draining recovery tank is arranged below the papermaking mesh blanket, paper pulp is divided into a lower layer pulp flow waterfall, a middle layer pulp flow waterfall and an upper layer pulp flow waterfall through a third pulp flow guide pipe, a second pulp flow guide pipe and a first pulp flow guide pipe, the lower layer pulp flow waterfall, the middle layer pulp flow waterfall and the upper layer pulp flow waterfall sequentially fall onto the papermaking mesh blanket from right to left in a front-to-back manner, and an upper layer pulp layer, a middle layer pulp layer and a lower layer pulp layer are sequentially laminated on the papermaking mesh blanket from top to bottom; the upper layer paper pulp layer, the middle layer paper pulp layer and the lower layer paper pulp layer are overlapped to form a complete paper surface; the water in the paper pulp is filtered by a papermaking mesh blanket, and the drained water falls into a draining recovery tank.

The flow-flowing device is provided with three layers of flow-flowing material guide pipes, the lifting and stirring members are driven by the flow-flowing homogenizing motor to upwards convey the fine paper pulp, the paper pulp with different levels can be shunted and guided out, even if the paper pulp with a single layer is locally uneven, a wet paper layer with uniform thickness can be formed on the papermaking mesh after the paper pulp is laid in multiple layers, and the output quality is uniform and constant.

The rest of the structure and the using mode of the embodiment are the same as those of the first embodiment, and are not described again.

EXAMPLE III

In this embodiment, the first water source is a clean tap water source.

The second water source is a water source which is recycled after the recovered water in the papermaking process is filtered; the water recovered in the papermaking process comprises filtered water after pulp washing and draining of a papermaking mesh blanket. As shown in fig. 1, the draining accumulation of the papermaking clothing is temporarily stored in a draining recovery tank, a draining outlet is arranged in the draining recovery tank, a water inlet end of a draining outlet pipe is arranged at the draining outlet, and the draining outlet pipe is communicated with a water inlet end of a water spraying pipe, a water inlet end of a power-assisted outlet pipe and/or a water inlet end of a pulp washing flushing pipe through a draining outlet pump.

Conveying the filtered water after pulp washing to the upper part of the vibrating screen by the pulp washing and filtering water recycling device; the washing water filtering recycling device comprises a recovery header pipe; the washing water retrieves the feed liquor end of installing recovery house steward on the delivery port, the play liquid of retrieving house steward is served and is installed the inlet of flow divider pump, and the first liquid outlet of flow divider pump passes through waste liquid collecting pipe UNICOM's waste liquid pond, and the second liquid outlet of flow divider pump passes through retrieval and utilization pipeline connection rivers filtration drive arrangement.

The water wheel filtering and driving device comprises a water wheel filtering and driving shell, a first liquid inlet, a second liquid inlet and a liquid outlet are respectively formed in the upper portion and the lower portion of the water wheel filtering and driving shell, the liquid outlet end of the recycling pipeline is respectively communicated with a first water outlet branch pipe and a second water outlet branch pipe, the lower ends of the first water outlet branch pipe and the second water outlet branch pipe are respectively aligned to the first liquid inlet and the second liquid inlet of the water wheel filtering and driving shell from top to bottom, and a first water outlet electromagnetic valve and a second water outlet electromagnetic valve are respectively installed on the first water outlet branch pipe and the second water outlet branch pipe; the upper end of a liquid outlet guide pipe is arranged on a liquid outlet of the water wheel filtering driving shell, the lower end of the liquid outlet guide pipe is provided with a rectifying liquid-separating plate, and rectifying liquid-separating holes are uniformly formed in the rectifying liquid-separating plate; the upper part of the screen body is open, and the lower end of the liquid outlet flow guide pipe is aligned to the upper part of the screen body of the vibrating material screen; a filtrate water wheel rotating shaft is arranged in the water wheel filtering driving shell, and a plurality of filtering wheel blades are radially arranged on the filtrate water wheel rotating shaft. As shown in fig. 6, the filter wheel blade is provided with a plurality of strip-shaped water filtering through holes, and a water filtering net is arranged in the water filtering through holes.

The second water source can be a water source that is reused after filtering paper process recycled water, including post-pulp washing filtered water and paper making clothing draining. The recycled water source can be used for water flow boosting conveying or filtering boosting of coarse paper scraps in the early stage of paper pulp manufacturing, and the effects of energy conservation and consumption reduction are achieved. In addition, because rivers helping hand promotes the filter wheel blade and rotates, not only can purify and recycle water, can also further export through filtrating waterwheel pivot and rotate kinetic energy, if drive through belt pulley transmission system and dial material pivot and the synchronous rotation of flexible material rotary wing, save motor setting quantity and electric energy consumption.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention, without departing from the technical solution of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a high-efficient environmental protection papermaking production line which characterized in that: the pulping equipment comprises a pulping machine frame, wherein a feeding device, a coarse crushing device, a screening device, a pulp washing device, a fine grinding device and a pulp storage device which are sequentially connected from front to back are arranged on the pulping machine frame;

the feeding device can feed waste paper raw materials into the coarse crushing device, the coarse crushing device can coarsely crush the waste paper raw materials into coarse paper pulp, the coarse paper pulp is conveyed into the screening device under the assistance of water flow, the coarse paper pulp enters the pulp washing device after being screened and filtered by the screening device, the fine grinding material enters the fine grinding material device after being cleaned by the pulp washing device, and the fine grinding material enters the pulp storage device after being finely ground by the fine grinding material device;

the feeding device and the coarse crushing device are both arranged on the ground through the pulping machine frame; the feeding device comprises a feeding pulley, a feeding outer front guide rail, a feeding outer rear rail, a feeding inner front rail and a feeding inner rear guide rail; the rough crushing device comprises a rough crushing box body, a feeding port is formed in the upper portion of the left side of the rough crushing box body, the lower ends of the outer feeding front guide rail, the outer feeding rear rail, the inner feeding front rail and the inner feeding rear guide rail are vertically fixed on the ground, and the upper ends of the outer feeding front guide rail, the outer feeding rear rail, the inner feeding front rail and the inner feeding rear guide rail are respectively connected with the upper front side, the upper rear side, the lower front side and the lower rear side of the feeding port; the feeding outer front rail and the feeding outer rear rail are in a shape of a Chinese character 'ji', and the feeding inner front rail and the feeding inner rear rail are in a vertical straight rod shape; the feeding device is characterized in that inner sliding chutes with cross sections in a shape like a Chinese character 'tu' are arranged on the feeding outer front guide rail, the feeding outer rear rail, the feeding inner front rail and the feeding inner rear guide rail, outer front rail pulleys and outer rear rail pulleys are respectively arranged on the left front side and the left rear side of the feeding pulley, inner front rail pulleys and inner rear rail pulleys are respectively arranged on the right front side and the right rear side of the feeding pulley, and the outer front rail pulleys and the outer rear rail pulleys are respectively arranged in the inner sliding chutes of the feeding outer front rail and the feeding outer rear rail; the inner front rail pulley and the inner rear rail pulley are respectively arranged in the inner chutes of the feeding inner front rail and the feeding inner rear rail; the outer front rail pulley, the outer rear rail pulley, the inner front rail pulley and the inner rear rail pulley are all driven by the electric rolling shaft and can reciprocate along the inner chute;

2. The efficient and environmentally friendly papermaking line of claim 1, wherein: an upper material stirring bin and a lower crushing bin are arranged in a coarse crushing material box body of the coarse crushing material device, a material stirring rotating shaft is arranged in the upper material stirring bin, a plurality of flexible material stirring rotary wings are radially arranged on the material stirring rotating shaft, and the material stirring rotating shaft can drive the flexible material stirring rotary wings to rotate and stir out waste paper raw materials in a feeding tackle at a feeding port to fall into the lower crushing bin; the upper end of the lower crushing bin is open, a left inner bin wall and a right inner bin wall of the lower crushing bin are respectively provided with a plurality of mutually parallel left vertical blades and right vertical blades in a longitudinal and transverse array mode, left paper cutting gaps are arranged among the left vertical blades, and right paper cutting gaps are arranged among the right vertical blades; a rotary paper cutting rotating shaft is arranged in each horizontally opposite left paper cutting gap and right paper cutting gap, a plurality of paper cutting rotary cutters are radially arranged on the rotary paper cutting rotating shaft, and each paper cutting rotary cutter can be driven to rotate when rotating and cut and crush waste paper raw materials together with the left vertical blade and the right vertical blade;

3. The efficient and environmentally friendly papermaking line according to claim 2, wherein: the pulping machine frame comprises a W-shaped channel, the W-shaped channel comprises a U-shaped front conveying channel and a U-shaped rear conveying channel, the left end of the front conveying channel is connected with the lower end of a blanking funnel, a power-assisted water outlet pipe is arranged at the left lower part of a vertical pipe at the left end of the front conveying channel, the water outlet end of the power-assisted water outlet pipe faces the right side, and the water inlet end of the power-assisted water outlet pipe is connected with a first water source and/or a second water source; the right end of the front material conveying channel is connected with the left end of the rear material conveying channel, and the right end of the rear material conveying channel is connected with the fine grinding material device;

4. The efficient and environmentally friendly papermaking line according to claim 3, wherein: the vibrating material screen comprises a screen body and a material screen hydraulic driving device, wherein the screen body is a magnetic metal screen, the material screen hydraulic driving device comprises a driving water wheel, the driving water wheel is installed on a water wheel supporting frame through a water wheel rotating shaft, and the water wheel supporting frame supports and fixes the inner side wall of a vertical pipe at the left end of a rear material conveying channel; the periphery of the driving water wheel is sleeved with a water wheel outer gear, a screen body driving transmission function group is installed in a clamping space between a left end vertical pipe and a right end vertical pipe of the rear material conveying channel, the screen body driving transmission function group comprises a first driving straight gear, a second driving straight gear, a first driving bevel gear and a second driving bevel gear, the first driving straight gear is horizontally installed on the left side of the clamping space through a first gear shaft, and the second driving straight gear and the first driving bevel gear are sequentially fixed on a second gear shaft in a penetrating mode from bottom to top; the second driving bevel gear is vertically arranged above the first driving bevel gear; the left side of the first driving straight gear is meshed with the outer gear of the water wheel, and the right side of the first driving straight gear is meshed with the left side of the second driving straight gear; the first driving bevel gear is meshed with the second driving bevel gear; the outer wheel surface of the second driving bevel gear is hinged with the lower end of a driving rocker, and the upper end of the driving rocker is hinged with the lower end of a lifting guide rod; a guide plate is arranged at the upper part of the clamping space, a lifting guide hole is longitudinally formed in the guide plate, and the upper end of the lifting guide rod penetrates through the lifting guide hole in the guide plate and then is hinged to the right side of the screen body; the left side of the screen body is hinged and fixed on a screen body fixing vertical plate through a spring hinge shaft, and the screen body fixing vertical plate is fixed above the joint of the front material conveying channel and the rear material conveying channel; the screen body is obliquely arranged downwards from left to right; the water outlet of the screening material conveying pump faces to and is higher than the upper side of the left end of the screen body.

5. The efficient and environmentally friendly papermaking line of claim 4, wherein: the washing device is positioned at the middle rear part of the rear material conveying channel; the washing device comprises a plurality of washing and flushing pipes, the washing and flushing pipes are arranged on the inner peripheral wall of the middle part of the rear conveying channel, the water outlet ends of the washing and flushing pipes face the right side, and the water inlet ends of the washing and flushing pipes are connected with a first water source and/or a second water source; the lower part of the right vertical pipe of the back material conveying channel is provided with a rotary impeller, the side wall of the right vertical pipe of the back material conveying channel is provided with a washing water recycling water outlet, and a paper pulp filter screen is arranged on the washing water recycling water outlet.

6. The efficient and environmentally friendly papermaking line according to claim 5, wherein: the pulping machine frame comprises an upper ground frame body, a first underground bin body and a second underground bin body, the feeding device and the coarse crushing device are sequentially arranged on the upper ground frame body from left to right, the screening device and the pulp washing device are arranged in the first underground bin body, and the fine grinding material device and the pulp storage device are arranged in the second underground bin body;

a U-shaped fine slurry channel is arranged in the second underground cabin body, and the fine abrasive device is arranged in a vertical pipe at the right end of the fine slurry channel; the slurry storage device is arranged in a transverse pipe of the fine slurry channel and comprises a plurality of anti-precipitation water wheels, wherein a precipitation partition plate is arranged between the anti-precipitation water wheels, the upper end of the precipitation partition plate is arranged on the upper top surface of the transverse pipe, and a slurry passing gap is reserved between the precipitation partition plate and the lower bottom surface of the transverse pipe.

7. The efficient and environmentally friendly papermaking line of claim 6, wherein: the right end vertical pipe of the fine slurry channel is communicated with the upper part of the right end vertical pipe of the rear material conveying channel through a material passing through hole, and a liquid material switch valve is installed on the material passing through hole; installing a fine grinding material device on the upper part of the fine slurry channel, wherein the fine grinding material device comprises a fine grinding material motor, a first grinding material rotating disc, a first fine material sieve, a second grinding material rotating disc and a second fine material sieve; the first fine screen and the second fine screen are sequentially arranged on the upper part of a right end vertical pipe of the fine pulp channel from top to bottom; a first grinding material rotating disc and a second grinding material loading disc are respectively arranged on the first fine material sieve and the second fine material sieve, and the middle shafts of the first grinding material rotating disc and the second grinding material rotating disc and the motor shaft of the fine grinding material motor are coaxially fixed into a whole; the fine grinding material motor can drive the first grinding material rotating disc and the second grinding material rotating disc to respectively rotate on the first fine material sieve and the second fine material sieve to grind paper pulp; the mesh aperture of the first fine material sieve is larger than that of the second fine material sieve.

8. The efficient and environmentally friendly papermaking line of claim 7, wherein: the first water source is a clean tap water source;

conveying the filtered water after pulp washing to the upper part of the vibrating screen by the pulp washing and filtering water recycling device; the washing water filter water recycling device comprises a recovery main pipe; the washing water recycling water outlet is provided with a liquid inlet end of a recycling main pipe, the liquid outlet end of the recycling main pipe is provided with a liquid inlet of a shunting pump, a first liquid outlet of the shunting pump is communicated with a waste liquid pool through a waste liquid collecting pipeline, and a second liquid outlet of the shunting pump is connected with a water wheel filtering driving device through a recycling pipeline;

the water wheel filtering and driving device comprises a water wheel filtering and driving shell, a first liquid inlet, a second liquid inlet and a liquid outlet are respectively formed in the upper portion and the lower portion of the water wheel filtering and driving shell, the liquid outlet end of the recycling pipeline is respectively communicated with a first water outlet branch pipe and a second water outlet branch pipe, the lower ends of the first water outlet branch pipe and the second water outlet branch pipe are respectively aligned to the first liquid inlet and the second liquid inlet of the water wheel filtering and driving shell from top to bottom, and a first water outlet electromagnetic valve and a second water outlet electromagnetic valve are respectively installed on the first water outlet branch pipe and the second water outlet branch pipe; the upper end of a liquid outlet guide pipe is arranged on a liquid outlet of the water wheel filtering driving shell, the lower end of the liquid outlet guide pipe is provided with a rectifying liquid-separating plate, and rectifying liquid-separating holes are uniformly formed in the rectifying liquid-separating plate; the upper part of the sieve body is open, and the lower end of the liquid outlet flow guide pipe is aligned to the upper part of the sieve body of the vibrating material sieve; a filtrate water wheel rotating shaft is arranged in the water wheel filtering driving shell, a plurality of filtering wheel blades are radially arranged on the filtrate water wheel rotating shaft, a plurality of strip-shaped water filtering through holes are formed in the filtering wheel blades, and a water filtering net is arranged in each water filtering through hole;

when the first water outlet electromagnetic valve is opened and the second water outlet electromagnetic valve is closed, the flow dividing pump is started, the washed wastewater in the vertical pipe at the right end of the rear material conveying channel is filtered by the paper pulp filter screen and then enters the liquid inlet of the flow dividing pump, and enters the first liquid inlet of the water wheel filtering driving shell through the first water outlet branch pipe, the filtering wheel blade is driven to rotate around the filtrate water wheel rotating shaft in the forward direction, the washed wastewater is filtered by the water filter screen on the filtering wheel blade, and then falls to the upper part of the screen body after being uniformly rectified by the liquid outlet flow guide pipe and the rectifying and dividing plate, and the screening operation is assisted; when the filter is required to be shut down for maintenance after being used for a period of time, the first water outlet electromagnetic valve is closed, the second water outlet electromagnetic valve is opened, clean water is filled in the rear material conveying channel at the moment, the clean water can enter the second liquid inlet of the water wheel filtering driving shell along the second water outlet branch pipe, the filtering wheel blades are driven to reversely rotate around the filtrate water wheel rotating shaft, and the filtering wheel blades are reversely flushed.