阅读说明：本技术 一种二氧化氢纸浆漂白装置 (Hydrogen dioxide paper pulp bleaching device ) 是由 张世山 于 2020-07-17 设计创作，主要内容包括：本发明提供一种二氧化氢纸浆漂白装置,涉及造纸技术领域。该二氧化氢纸浆漂白装置包括机壳,底座,蒸汽锅炉,电机支架,导管,冷凝管,集水箱,支架,进水口,保温层,减压阀,水管,进气管,打散机构,漂白机构,清洗机构,机壳底端固定连接有底座,机壳右侧设置有蒸汽锅炉,机壳内右侧设置有漂白机构,漂白机构右侧靠近底端设置有进气管,进气管穿过机壳与蒸汽锅炉固定连接,进气管上设置有减压阀,漂白装置顶端固定连接有打散机构,打散机构顶端固定连接有电机支架,漂白装置左侧设有集水箱,集水箱通过导管与漂白机构顶端连接,机壳内左侧设置有清洗机构,解决了二氧化氢漂白纸浆过程中效率低的问题。(The invention provides a hydrogen dioxide paper pulp bleaching device, and relates to the technical field of papermaking. This hydrogen dioxide paper pulp bleaching device includes the casing, the base, steam boiler, the motor support, the pipe, the condenser pipe, the header tank, a support, the water inlet, the heat preservation, the relief pressure valve, the water pipe, the intake pipe, break up the mechanism, bleaching mechanism, wiper mechanism, bottom end fixedly connected with base, the casing right side is provided with steam boiler, the right side is provided with bleaching mechanism in the casing, bleaching mechanism right side is close to the bottom and is provided with the intake pipe, the intake pipe passes casing and steam boiler fixed connection, be provided with the relief pressure valve in the intake pipe, bleaching device top fixedly connected with breaks up the mechanism, break up mechanism top fixedly connected with motor support, the bleaching device left side is equipped with the header tank, the header tank passes through the pipe and is connected with bleaching mechanism top, the left side is provided with wiper.)

1. The utility model provides a hydrogen dioxide paper pulp bleaching device, includes casing (1), base (2), steam boiler (3), motor support (4), pipe (5), condenser pipe (6), header tank (7), support (8), water inlet (9), heat preservation (10), relief pressure valve (11), water pipe (12), intake pipe (13), break up mechanism (14), bleaching mechanism (15), wiper mechanism (16), its characterized in that: the bottom end of the machine shell (1) is fixedly connected with a base (2), the right end in the machine shell (1) is provided with a heat-insulating layer (10), the heat-insulating layer (10) is internally provided with a bleaching mechanism (15), the left side of the top end of the bleaching mechanism (15) is fixedly connected with a guide pipe (5), the left side of the bleaching mechanism (15) is provided with a water collecting tank (7), the top end of the water collecting tank (7) is provided with a condensing pipe (6), the left end of the guide pipe (5) penetrates through the condensing pipe (6) to be fixedly connected with the top end of the water collecting tank (7), the front side of the water collecting tank (7) is provided with a water inlet (9), the bottom end of the water collecting tank (7) is fixedly connected with a support (8), the bottom end of the support (8) is fixedly connected with the machine shell (1), a cleaning mechanism (16) is arranged in the machine shell (1) below, the right side of the cleaning mechanism (16) is fixedly connected with the bleaching mechanism (15) through a water pipe (12), the top end of the bleaching mechanism (15) is fixedly connected with a motor support (4), a scattering mechanism (14) is arranged above the bleaching mechanism (15), the right side of the casing (1) is provided with a steam boiler (3), the left side of the steam boiler (15) is fixedly connected with an air inlet pipe (13) with the bleaching mechanism (15) and fixedly connected with the left side of the air inlet pipe (13), the left side of the air inlet pipe (13) penetrates through the heat-insulating layer (10) and floats, a pressure reducing valve (11) is arranged on the air inlet pipe (13), and the.

2. A hydrogen dioxide pulp bleaching apparatus according to claim 1, characterized in that: the cleaning mechanism (16) inclines at a certain angle and penetrates through the bottom end of the machine shell (1) to be fixedly connected with the machine shell (1), two water pipes (12) are arranged on the right side of the cleaning mechanism (16) and penetrate through the heat-insulating layer (10) and the bleaching mechanism (15) to be fixedly connected with the bleaching mechanism (15), the scattering mechanism (14), the motor support (4) and the bleaching mechanism (15) are arranged on the same central axis, and the heat-insulating layer (10) is arranged on the same central axis.

3. A hydrogen dioxide pulp bleaching apparatus according to claim 1, characterized in that: break up mechanism (14) including first driving motor (1401) that pass motor support (4) top, first driving motor (1401) output end fixedly connected with pivot (1402), pivot (1402) middle part fixedly connected with mount (1403), one side fixedly connected with drum (1404) of pivot (1402) are kept away from in mount (1403), drum (1404) inner wall is close to the bottom and is provided with blade (1405), blade (1405) are the L type, there is the triangle-shaped arch in blade (1405) middle part, blade (1405) center evenly distributed around drum (1404), one side and drum (1404) inner wall fixed connection that drum (1404) axle center was kept away from in blade (1405), pivot (1402) bottom end fixedly connected with flabellum (1406), drum (1404) bottom and bleaching mechanism (15) top fixed connection.

4. A hydrogen dioxide pulp bleaching apparatus according to claim 1, characterized in that: bleaching mechanism (15) including with drum (1404) bottom fixed connection's annular post (1501), annular post (1501) below fixedly connected with cavity drum (1507), open in annular post (1501) has the slotted hole, be equipped with arc spring (1502) in annular post (1501) left side slotted hole, arc spring (1502) both ends fixedly connected with slider (1503), annular post (1501) bottom is opened between annular post (1501) right side slider (1503) has the inlet port, open annular post (1501) left side top has the venthole, it has the recess to open on annular post (1501) inner wall, slider (1503) is close to one side fixedly connected with horizontal pole (1504) of annular post inboard, recess bottom fixedly connected with connecting piece (1505) that set up on annular post (1501) inner wall is passed to the horizontal pole (1504) other end, connecting piece (1501) below fixedly connected with stirring rake (1506), cavity drum (1507) are close to bottom fixedly connected with baffle (1508).

5. A hydrogen dioxide pulp bleaching apparatus according to claim 5, characterized in that: the utility model discloses a hollow cylinder (1507) wall body, including cavity drum (1507), venthole, baffle (1508), annular post (1507), the part that baffle (1508) and cavity drum (1507) wall body internal cavity portion intersect has been seted up to the venthole that venthole and annular post (1501) right side bottom were seted up on same axis, stirring rake (1506) is the slice rectangle of distortion, annular post (1501) left side top venthole and pipe (5) fixed connection.

6. A hydrogen dioxide pulp bleaching apparatus according to claim 1, characterized in that: the cleaning mechanism (16) comprises a circular ring (1601) fixedly connected with the casing (1), the bottom end of the circular ring (1601) is rotatably connected with a disc (1602), the center of the bottom end of the disc (1602) is fixedly connected with the output end of a second driving motor (1603), the top end of the disc (1602) is fixedly connected with a stirring rod (1611), the top end of the disc (1602) is close to the middle part and is provided with a filter plate (1604), the filter plates (1604) are rotatably connected with each other through a connecting rotating shaft (1605), the filter plate (1604) is provided with a strip-shaped hole, two sides of the strip-shaped hole are provided with grooves, a baffle (1606) is arranged in each groove, the baffle (1606) is fixedly connected with the filter plate (1604) through a spring (1607), the upper half section of the filter plate (1604) is uniformly provided with a circular hole, the left side of the circular ring (1601) is provided with an opening, the opening is, the spout has been seted up at apron (1609) middle part, connects pivot (1605) top and apron (1609) fixed connection, and the spout sliding connection who sets up in apron (1609) and apron (1609) middle part is passed on connection pivot (1605) top that is located disc (1602) axis, through connecting rod (1610) fixed connection between two filter plates (1604) that are located disc (1602) axis both sides.

Technical Field

The invention relates to the technical field of papermaking, in particular to a hydrogen dioxide paper pulp bleaching device.

Background

In the paper industry, hydrogen dioxide is used for bleaching of paper and pulp, delignification of pulp and deinking regeneration of waste paper, of which bleaching of pulp is the most important application. The hydrogen dioxide is used for bleaching paper pulp, the stability of bleaching degree is good, the damage to fibers in the process of yellowing bleaching is not easy to occur, the process adaptability is high, the yield is high, organic chlorine compounds in bleaching waste water are easy to treat, and the complete recycling of the bleaching waste water can be realized.

The existing paper pulp bleaching device for packaging paper, patent publication No. CN201811378631.1, comprises a reaction kettle and a reaction tank, and is characterized in that: the reaction kettle is arranged in the reaction tank, the reaction tank is arranged on the base, the reaction kettle is of a cylindrical structure, the heating pipe is encircled outside the reaction kettle, the slurry inlet pipe is connected above the reaction kettle and penetrates through the reaction tank, the installation ring plate and the installation strip plate are arranged inside the reaction kettle, the high-pressure spray holes are formed in the installation ring plate, a ring-shaped sealing groove is formed above the reaction kettle, the slurry inlet pipe penetrates through the reaction tank and the ring-shaped sealing groove and enters the reaction kettle, the ring-shaped sealing groove is communicated with the installation ring plate through a communicating pipe, the stirrer is arranged on the installation strip plate, a pushing device is arranged in the reaction tank and comprises a front supporting frame, a rear supporting frame and a limiting cross frame, two ends of the limiting cross frame are respectively fixed on the front supporting frame and the rear supporting frame, an air cylinder is arranged on the rear supporting frame, a sliding groove is formed in the limiting, and an air inlet exhaust hole is formed in the inner side wall above the reaction tank and communicated with the steam generator through an air inlet pipe.

However, although the steam generating device is arranged in the patent CN201811378631.1, the steam temperature cannot be accurately controlled, the bleaching efficiency can be accelerated due to overhigh temperature, the viscosity of the bleached pulp becomes low, the bleaching efficiency of the pulp is slow due to overlow temperature, and the pulp should be washed immediately after the pulp is bleached, so that the fiber breakage caused by overlong contact time of the pulp and the bleaching agent is prevented, the quality of the bleached pulp becomes low, and the mixing efficiency is low and the pulp can not be improved due to the arrangement of the push plate in the patent CN 201811378631.1.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a hydrogen dioxide paper pulp bleaching device, which solves the problem of low paper pulp bleaching efficiency in the hydrogen dioxide paper pulp bleaching process.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a hydrogen dioxide paper pulp bleaching device comprises a machine shell, a base, a steam boiler, a motor support, a guide pipe, a condensing pipe, a water collecting tank, a support, a water inlet, a heat insulating layer, a pressure reducing valve, a water pipe, an air inlet pipe, a scattering mechanism, a bleaching mechanism and a cleaning mechanism, wherein the bottom end of the machine shell is fixedly connected with the base, the right end in the machine shell is provided with the heat insulating layer, the temperature loss in the bleaching mechanism is prevented, the bleaching efficiency of the bleaching mechanism is improved, the bleaching mechanism is arranged in the heat insulating layer, the guide pipe is fixedly connected to the left side of the top end of the bleaching mechanism, the water collecting tank is arranged on the left side of the bleaching mechanism, the condensing pipe is arranged on the top end of the water collecting tank, the left end of the guide pipe penetrates through the condensing pipe to be fixedly connected, the bottom end of the bracket is fixedly connected with the casing, a cleaning mechanism is arranged in the casing below the water collecting tank, the bleached paper pulp is cleaned by the cleaning mechanism, redundant hydrogen dioxide bleaching liquid on the paper pulp is removed, the damage to paper pulp fibers caused by long-time attachment of the bleaching liquid is prevented, the bottom end of the cleaning mechanism is fixedly connected with the motor bracket, the top end of the cleaning mechanism is fixedly connected with the water collecting tank through a water pipe, the right side of the cleaning mechanism is fixedly connected with the bleaching mechanism through a water pipe, the top end of the bleaching mechanism is fixedly connected with the motor bracket, a scattering mechanism is arranged above the bleaching mechanism, a steam boiler is arranged on the right side of the casing, an air inlet pipe is fixedly connected with the left side of the steam boiler after passing through the heat preservation layer and the bleaching mechanism, a pressure, prevent to lead to hydrogen dioxide boiling decomposition because of the high temperature, reduce bleaching efficiency, relief pressure valve and intake pipe fixed connection.

Preferably, the cleaning mechanism inclines for a certain angle and penetrates through the bottom end of the machine shell to be fixedly connected with the machine shell, the cleaning mechanism inclines for a certain angle to more conveniently discharge cleaned paper pulp, two water pipes are arranged on the right side of the cleaning mechanism and penetrate through the heat-insulating layer and the bleaching mechanism to be fixedly connected with the bleaching mechanism, the water pipes positioned below the cleaning mechanism are convenient to discharge water accumulated in the bleaching mechanism, the water is prevented from corroding the device for a long time, the service life of the device is shortened, and the mechanism, the motor support and the bleaching mechanism are scattered, and the heat-insulating layer is arranged on the.

Preferably, break up the mechanism including the first driving motor who passes the motor support top, first driving motor output fixedly connected with pivot, pivot middle part fixedly connected with mount, one side fixedly connected with drum of pivot is kept away from to the mount, the drum inner wall is close to the bottom and is provided with the blade, the blade is the L type, there is the triangle-shaped arch blade middle part, the blade centers on drum axle center evenly distributed, one side and drum inner wall fixed connection in drum axle center are kept away from to the blade, pivot bottom fixedly connected with flabellum, drum bottom and bleaching mechanism top fixed connection, it vibrates to produce the messenger blade through the rotatory and blade collision of flabellum, break up the paper pulp that enters into in the drum, leave certain space simultaneously between blade and the blade and can prevent that bleaching mechanism interior temperature from losing too fast and influence bleaching efficiency.

Preferably, the bleaching mechanism comprises an annular column fixedly connected with the bottom end of the cylinder, a hollow cylinder is fixedly connected below the annular column, a slot hole is formed in the annular column, an arc-shaped spring is arranged in a slot hole in the left side of the annular column, slide blocks are fixedly connected with two ends of the arc-shaped spring, an air inlet hole is formed in the bottom end of the annular column between the slide blocks in the right side of the annular column, an air outlet hole is formed in the top end in the left side of the annular column, a groove is formed in the inner wall of the annular column, a cross rod is fixedly connected to one side of the slide block close to the inner side of the annular column, a connecting piece is fixedly connected with the other end of the cross rod through the bottom end of the groove formed in the inner wall of the annular column, a stirring paddle is fixedly connected below the connecting piece, a baffle is fixedly connected to, the slider slides and drives the stirring rake around the motion of cavity drum inner wall, mix paper pulp and bleaching liquid in the cavity drum, promote the slider and slide in the slotted hole when steam, when the slider surpassed the venthole that annular post left side top was seted up, steam enters into in the pipe from the venthole, the thrust that steam produced reduces, the arc spring kick-backs and makes the slider reset, thereby make the stirring rake be reciprocating motion in the cavity drum and stir paper pulp ceaselessly, prevent that the paper pulp caking increases the area of contact of paper pulp and bleaching liquid and accelerate bleaching efficiency.

Preferably, the hollow cylinder wall body is hollow, the right side of the top end of the hollow cylinder wall body is provided with an air outlet, the air outlet and the air outlet formed at the bottom end of the right side of the annular column are on the same central axis, the stirring paddle is a twisted flaky rectangle, the twisted flaky rectangle can better drive liquid to flow by reciprocating in the hollow cylinder, the liquid is made to rotate to form a vortex, the mixing effect of the paper pulp and the bleaching liquid is enhanced, a round hole is formed in the part of the baffle plate, which is intersected with the hollow part in the hollow cylinder wall body, water formed by steam is collected, the hollow part of the hollow cylinder is prevented from being rusted by water, the service life of the device is shortened, and the air outlet at the top end of the.

Preferably, the cleaning mechanism comprises a circular ring fixedly connected with the casing, a circular disc is rotatably connected with the bottom end of the circular ring, the center of the bottom end of the circular disc is fixedly connected with the output end of the second driving motor, a stirring rod is fixedly connected with the top end of the circular disc, filter plates are arranged at the top end of the circular disc close to the middle part, the filter plates are rotatably connected through a connecting rotating shaft, strip-shaped holes are formed in the filter plates, grooves are formed in two sides of each strip-shaped hole, blocking pieces are arranged in the grooves and fixedly connected with the filter plates through springs, round holes are uniformly formed in the upper half sections of the filter plates, an opening is formed in the left side of the circular ring, a discharge port is fixedly connected to the opening, round holes are uniformly formed in the bottom end of the discharge port, a cover plate is movably connected, through connecting rod fixed connection between two filter plates that are located disc axis both sides, the disc is kept apart into upper and lower two parts by the filter plate, use the filter plate to prevent the paper pulp after the bleaching and the direct eduction gear of bleaching liquid, water pipe through the wiper mechanism top is connected injects the clear water into the wiper mechanism in, and the second driving motor operation drives the disc rotation and washs paper pulp, the round hole that liquid was seted up in the first part of ring through on the filter plate enters into the disc the latter half and offers the opening discharge on passing through the disc, promote the connection pivot along the spout direction of seting up on the apron when the washing finishes, cancel the blockking of filter plate to paper pulp, paper pulp is just along with rivers wash into in the discharge gate.

(III) advantageous effects

(1) According to the invention, through the hollow circular tube, the annular column, the arc-shaped spring and the sliding block which are arranged in the bleaching mechanism, steam is used for heating the inner wall of the hollow circular tube, meanwhile, the pushing force generated by the steam in a sealed space is used for pushing the sliding block to slide, the sliding block is in sliding fit with the arc-shaped spring, so that the stirring paddle does reciprocating motion on the inner wall of the hollow cylinder to stir paper pulp and bleaching liquid in the hollow cylinder, and the paper pulp is prevented from caking in the bleaching process through continuous mixing, so that the bleaching efficiency is improved.

(2) According to the invention, the blades and the fan blades in the scattering mechanism are arranged, so that the fan blades collide with the blades in the rotating process to vibrate, paper pulp is scattered by the vibration generated by the blades, the middle parts of the L-shaped blades are provided with the raised edges and corners, the phenomenon that the paper pulp is stuck on the blades can be effectively reduced, the blockage phenomenon caused by long-time use is prevented, the scattered paper pulp is bleached again, the paper pulp bleaching efficiency can be effectively improved, and the temperature loss in the hollow cylinder in the bleaching process can be reduced due to the arrangement of the blades on the circumference of the inner wall of the cylinder, so that the paper pulp bleaching efficiency is ensured.

(3) According to the invention, the filter plate arranged in the cleaning mechanism, the disc and the stirring rod fixedly connected to the disc rotate, and then the water pipe is used for injecting clean water into the circular ring to clean the paper pulp in the circular ring, so that the cleaning efficiency of the bleached paper pulp is improved, the phenomenon that the quality of the paper pulp is influenced by the breakage of fibers in the paper pulp due to the long contact between the paper pulp and bleaching liquid is prevented, and meanwhile, the cleaning mechanism is obliquely arranged to enable the cleaned paper pulp to be smoothly discharged from the device.

(4) According to the invention, the bleaching agent in the hollow circular tube is heated by using steam, the power generated by the steam is used for driving the stirring rod to mix paper pulp and the bleaching agent, the water collecting tank is arranged for condensing and collecting the discharged steam, so that the resource waste is effectively reduced, the pressure reducing valve arranged on the air inlet pipe is used for controlling the temperature of the steam, the pressure value of the steam can be adjusted at any time according to the temperature in the hollow circular tube, the temperature in the hollow circular tube is always kept in a proper temperature range, the hydrogen dioxide bleaching efficiency is maintained at the highest value, and the paper pulp bleaching rate is improved.

Drawings

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

FIG. 2 is a rear view of the present invention;

FIG. 3 is a cross-sectional view of the breaking mechanism of the present invention;

FIG. 4 is a cross-sectional view of a bleaching mechanism according to the present invention;

FIG. 5 is a cross-sectional view of a bleaching mechanism according to the present invention;

FIG. 6 is a cross-sectional view of the cleaning mechanism of the present invention;

FIG. 7 is a second view of the cleaning mechanism of the present invention in cross-section.

The device comprises a machine shell 1, a base 2, a steam boiler 3, a motor support 4, a guide pipe 5, a condensation pipe 6, a water collecting tank 7, a support 8, a water inlet 9, an insulating layer 10, a pressure reducing valve 11, a water pipe 12, an air inlet pipe 13, a scattering mechanism 14, a first driving motor 1401, a rotating shaft 1402, a fixed frame 1403, a cylinder 1404, a blade 1405, a fan blade 1406, a bleaching mechanism 15, an annular column 1501, an arc spring 1502, a sliding block, a cross rod 1503, a connecting piece 1505, a stirring paddle 1506, a hollow cylinder 1507, a baffle 1508, a cleaning mechanism 16, a circular ring 1601, a disc 1602, a second driving motor 1603, a filter plate 1604, a connecting rotating shaft 1605, a baffle 1606, a spring 1607, a discharge port 1608, a cover plate 1609, a connecting.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-7, an embodiment of the present invention provides a hydrogen dioxide pulp bleaching apparatus, which includes a casing 1, a base 2, a steam boiler 3, a motor support 4, a conduit 5, a condenser tube 6, a water collection tank 7, a support 8, a water inlet 9, a heat insulation layer 10, a pressure reducing valve 11, a water tube 12, an air inlet tube 13, a scattering mechanism 14, a bleaching mechanism 15, a cleaning mechanism 16, the base 2 is fixedly connected to a bottom end of the casing 1, the heat insulation layer 10 is disposed at a right end in the casing 1 to prevent temperature loss in the bleaching mechanism 15 and improve bleaching efficiency of the bleaching mechanism 15, the bleaching mechanism 15 is disposed in the heat insulation layer 10, the conduit 5 is fixedly connected to a left side of a top end of the bleaching mechanism 15, the water collection tank 7 is disposed at a left side of the bleaching mechanism 15, the condenser tube 6 is disposed at a top end of the water collection tank 7, a, the formed moisture enters the water collecting tank 7 to reduce resource waste, the front of the water collecting tank 7 is provided with a water inlet 9, the bottom end of the water collecting tank 7 is fixedly connected with a support 8, the bottom end of the support 8 is fixedly connected with the machine shell 1, a cleaning mechanism 16 is arranged in the machine shell 1 below the water collecting tank 7, the bleached paper pulp is cleaned through the cleaning mechanism 16 to remove redundant hydrogen dioxide bleaching liquid on the paper pulp and prevent the paper pulp fibers from being damaged due to long-time attachment of the bleaching liquid, the bottom end of the cleaning mechanism 16 is fixedly connected with a motor support 4, the top end of the cleaning mechanism 16 is fixedly connected with the water collecting tank 7 through a water pipe 12, the right side of the cleaning mechanism 16 is fixedly connected with a bleaching mechanism 15 through a water pipe 12, the top end of the bleaching mechanism 15 is fixedly connected with the motor support 4, a scattering mechanism 14 is arranged above the bleaching, the left side of an air inlet pipe 13 penetrates through a heat-insulating layer 10 and a bleaching mechanism 15 to be fixedly connected with the bleaching mechanism 15, the air inlet pipe 13 is provided with a pressure reducing valve 11, the pressure of steam generated by a steam boiler is reduced by arranging the pressure reducing valve 11 to control the steam temperature, the hydrogen dioxide is prevented from boiling and decomposing due to overhigh temperature, the bleaching efficiency is reduced, the pressure reducing valve 11 is fixedly connected with the air inlet pipe 13, a cleaning mechanism 16 inclines at a certain angle and penetrates through the bottom end of a machine shell 1 to be fixedly connected with the machine shell 1, the cleaning mechanism 16 inclines at a certain angle to facilitate the discharge of cleaned paper pulp, two water pipes 12 on the right side of the cleaning mechanism 16 penetrate through the heat-insulating layer 10 and the bleaching mechanism 15 to be fixedly connected with the bleaching mechanism 15, the water pipes 12 positioned below facilitate the discharge of water accumulated in the bleaching mechanism 15, the long-, the insulating layer 10 is on the same central axis.

The scattering mechanism 14 comprises a first driving motor 1401 passing through the top end of the motor bracket 4, the output end of the first driving motor 1401 is fixedly connected with a rotating shaft 1402, the middle part of the rotating shaft 1402 is fixedly connected with a fixed mount 1403, one side of the fixed mount 1403 far away from the rotating shaft 1402 is fixedly connected with a cylinder 1404, the inner wall of the cylinder 1404 close to the bottom end is provided with a blade 1405, the blade 1405 is L-shaped, the middle part of the blade 1405 is provided with a triangular protrusion, the blade 1405 is uniformly distributed around the axle center of the cylinder 1404, one side of the blade 1405 far away from the axle center of the cylinder 1404 is fixedly connected with the inner wall of the cylinder 1404, the bottom, blade 1405 vibrates by the impact of fan blade 1406 rotating with blade 1405, the paper pulp entering the cylinder is broken up, and meanwhile, a certain space is reserved between the blades 1405 and the blades 1405, so that the bleaching efficiency can be prevented from being influenced by too fast temperature loss in the bleaching mechanism 15.

The bleaching mechanism 15 comprises an annular column 1501 fixedly connected with the bottom end of a cylinder 1404, a hollow cylinder 1507 is fixedly connected below the annular column 1501, the wall of the hollow cylinder 1507 is hollow, a slotted hole is formed in the annular column 1501, an arc-shaped spring 1502 is arranged in the slotted hole in the left side of the annular column 1501, two ends of the arc-shaped spring 1502 are fixedly connected with sliding blocks 1503, the bottom end of the annular column 1501 between the sliding blocks 1503 on the right side of the annular column 1501 is provided with an air inlet hole, the right side of the top end of the wall body of the hollow cylinder 1507 is provided with an air outlet hole, the air outlet hole and the air outlet hole formed at the bottom end of the right side of the annular column 1501 are on the same central axis, the top end of the left side of the annular column 1501 is provided with an air outlet hole, the inner wall of the annular column 1501 is provided with a groove, one side of the sliding block, a baffle 1508 is fixedly connected to the hollow cylinder 1507 near the bottom end, the stirring paddle 1506 is a twisted sheet rectangle, the twisted sheet rectangle can better drive the liquid to flow when reciprocating in the hollow cylinder 1507, the liquid is made to rotate to form a vortex, the mixing effect of the pulp and the bleaching liquid is enhanced, a round hole is arranged on the intersecting part of the baffle 1508 and the hollow part in the wall body of the hollow cylinder 1507, the water formed by the steam is collected, the service life of the device is reduced by the corrosion of the hollow part of the hollow cylinder 1507 by the water, the air outlet hole at the top end of the left side of the ring column 1501 is fixedly connected with the conduit 5, the saturated steam generated by the steam boiler 3 enters the hollow cylinder 1507, the air inlet arranged at the bottom end of the right side of the ring column 1501 enters the slotted hole arranged in the ring column 1501 to push the slide block 1503 to slide in the ring column, and the sliding block, pulp and bleaching liquid to in the hollow cylinder 1507 mix, promote slider 1503 to slide in the slotted hole, when slider 1503 surpassed the venthole that annular post 1501 left side top was seted up, steam enters into in the pipe 5 from the venthole, the thrust that steam produced reduces, arc spring 1502 kick-backs and makes slider 1503 reset, thereby make stirring rake 1506 do reciprocating motion in hollow cylinder 1507 and stir pulp ceaselessly, prevent that the paper pulp caking from increasing the area of contact of pulp and bleaching liquid and accelerate bleaching efficiency.

The cleaning mechanism 16 comprises a circular ring 1601 fixedly connected with the casing 1, a circular disc 1602 is rotatably connected with the bottom end of the circular ring 1601, the center of the bottom end of the circular disc 1602 is fixedly connected with the output end of a second driving motor 1603, a stirring rod 1611 is fixedly connected with the top end of the circular disc 1602, filter plates 1604 are arranged at the top end of the circular disc 1602 close to the middle part, the filter plates 1604 are rotatably connected through a connecting rotary shaft 1605, strip-shaped holes are formed in the filter plates 1604, grooves are formed in two sides of the strip-shaped holes, blocking pieces 1606 are arranged in the grooves, the blocking pieces 1606 are fixedly connected with the filter plates 1604 through springs 1607, circular holes are uniformly formed in the upper half sections of the filter plates 1604, an opening is formed in the left side of the circular ring 1601, a discharge port 1608 is fixedly connected to the opening, circular holes are uniformly formed in the bottom end of the discharge port 1608, a cover plate 1609 is movably connected to the top end of the circular disc 1602, be located through connecting rod 1610 fixed connection between two filter plates 1604 of disc 1602 axis both sides, disc 1602 is kept apart into upper and lower two parts by filter plate 1604, use filter plate 1604 to prevent the paper pulp after the bleaching and the direct eduction gear of bleaching liquid, water pipe 12 through 16 top connections of wiper mechanism injects the clear water into the wiper mechanism 16 in, and second driving motor 1603 operation drives the rotation of disc 1602 and washs paper pulp, the round hole that liquid was seted up on passing through the filter plate 1604 enters into disc 1602 the latter half and offers the opening discharge on passing through disc 1602, spout direction promotion connection pivot 1605 of seting up on along apron 1609 when the washing finishes, cancel the blockking of filter plate 1604 to paper pulp, paper pulp is just along with rivers wash into in discharge gate 1608.

When the device is used, the first driving motor 1401 is started, pulp and bleaching liquid are poured into the device through the cylinder 1404, the first driving motor 1401 is operated to drive the fan blade 1406 to rotate, the fan blade 1406 rotates to collide with the blade 1405 to vibrate the blade 1405, the pulp entering a circular tube is scattered, the scattered pulp enters the hollow cylinder 1507 through gaps among the blades 1405, saturated steam generated by the steam boiler 3 enters the air inlet pipe 13 to reduce steam temperature through the pressure reducing valve 11, the steam with the reduced temperature enters the hollow part of the hollow cylinder 1507, the steam fills the hollow part of the hollow cylinder 1507 to heat the bleaching liquid in the hollow cylinder, the steam enters the annular column 1501 through the air outlet hole formed in the top end of the right side of the hollow cylinder 1507 and the air inlet hole formed in the bottom end of the right side of the annular column 1501 to push the sliding block 1503 to slide, and the sliding block slides the stirring paddle 1506 to mix and stir the pulp and bleaching liquid in the hollow cylinder 1507 so as to prevent the pulp and the Caking influences bleaching efficiency in the bleaching process, after bleaching is completed, a water pipe 12 fixedly connected to the left side of a bleaching mechanism 15 and close to the bottom end is opened to discharge paper pulp and bleaching liquid into a circular ring 1601, at the moment, a connecting rotating shaft 1605 positioned on the central axis of the circular ring 1602 should serve as the left end of a chute formed in a cover plate 1609, a water pipe fixedly connected with the top end of a cleaning mechanism is opened to put water in a water collecting tank into the circular ring 1601, a second driving motor 1603 is started, the second driving motor 1603 rotates to drive the circular ring 1602 to rotate, a stirring rod 1611 fixedly connected with the circular ring 1602 rotates along with the rotation, the paper pulp in the circular ring 1601 is stirred to accelerate cleaning efficiency, the space in the circular ring is divided into an upper part and a lower part by a filter plate 1604, liquid in the upper part is continuously discharged through a circular hole formed in the filter plate 1604, the liquid in the upper part of the circular ring 1604 is continuously updated, after the washing, spout direction promotion along seting up on the apron 1609 connects pivot 1605, connect through connecting rod 1610 between two filter plates 1604 that lie in disc 1602 axis both sides, drive filter plate 1604 and rotate simultaneously around connecting pivot 1605 when promoting to lie in the connection pivot 1605 on disc 1602 axis, cancel the stopping of filter plate 1604 to paper pulp, paper pulp flows into in the discharge gate along with liquid through seting up at the left opening of ring 1604, thereby the problem of hydrogen dioxide paper pulp bleaching in-process inefficiency has been solved.