阅读说明：本技术 一种用于瓦楞纸原纸生产的环保型往复限流式制浆装置 (Environment-friendly reciprocating flow-limiting type pulping device for production of corrugated paper body paper ) 是由 江成 于 2021-07-29 设计创作，主要内容包括：本发明提供了一种用于瓦楞纸原纸生产的环保型往复限流式制浆装置,包括外壳,外壳内转动连接设置有主动轴,外壳内位于主动轴的外围设置有多组从动轴,主动轴和从动轴之间通过传动件同步传动连接,主动轴外围以及从动轴外围设置有交错设置的主动搅拌叶和从动搅拌叶；外壳一侧连通设置有循环机构。本发明中,主动轴和从动轴同步反向转动,进入外壳内的物料能够被交错设置的主动搅拌叶和从动搅拌叶搅拌均匀,其中粗纤维可以被交错的主动搅拌叶和从动搅拌叶进一步揉捻粉碎,从而提高制浆后的浆料均匀性；启动循环机构后底部的浆料抽出,经过细化粉碎处理后,再注入到外壳内顶部,从而便于外壳内不同层面浆料混合,进一步提高浆料的均匀性。(The invention provides an environment-friendly reciprocating flow-limiting type pulping device for production of corrugated paper base paper, which comprises a shell, wherein a driving shaft is rotationally connected and arranged in the shell, a plurality of groups of driven shafts are arranged at the periphery of the driving shaft in the shell, the driving shaft and the driven shafts are synchronously connected through a transmission part in a transmission way, and driving stirring blades and driven stirring blades which are arranged in a staggered way are arranged at the periphery of the driving shaft and the periphery of the driven shafts; one side of the shell is communicated with a circulating mechanism. According to the invention, the driving shaft and the driven shaft synchronously rotate in opposite directions, materials entering the shell can be uniformly stirred by the driving stirring blades and the driven stirring blades which are arranged in a staggered mode, and crude fibers can be further kneaded and crushed by the driving stirring blades and the driven stirring blades which are arranged in a staggered mode, so that the uniformity of slurry after pulping is improved; the slurry at the bottom is extracted after the circulating mechanism is started, and is injected into the top of the shell after being refined and crushed, so that the slurry at different layers in the shell can be mixed conveniently, and the uniformity of the slurry is further improved.)

1. The utility model provides a reciprocal current-limiting slurrying device of environment-friendly for production of corrugated paper body paper, includes shell (1), shell (1) internal rotation is connected and is provided with driving shaft (3), its characterized in that:

a plurality of groups of driven shafts (4) are distributed in the outer periphery of the driving shaft (3) in the shell (1) in an annular array manner, the driving shaft (3) and the driven shafts (4) are in synchronous transmission connection through a transmission part (5), and a plurality of groups of driving stirring blades (31) and driven stirring blades (41) which are arranged in a staggered manner are fixedly connected to the outer periphery of the driving shaft (3) and the outer periphery of the driven shaft (4) respectively;

one side of the shell (1) is communicated with a circulating mechanism (6) which is used for circularly guiding and synchronously refining materials on different layers in the shell (1), one end of the circulating mechanism (6) is communicated with the bottom in the shell (1), and the other end of the circulating mechanism (6) is communicated with the top in the shell (1) through a circulating pump (7);

one side of the shell (1) is communicated with a discharging joint (8).

2. The environment-friendly reciprocating flow-limiting type pulping device for production of corrugated paper base paper is characterized in that one group of driven shaft (4) is fixedly connected with the periphery of the driven shaft (9) and provided with a grinding shaft (9), one side of the grinding shaft (9) is provided with a convex block which is fixedly connected to the top of the shell (1) and has the same size as the grinding shaft (9), the grinding shaft (9) and the convex block are movably matched, the grinding shaft (9) and the shell (1) are movably jointed, the grinding shaft (9) and the convex block are movably jointed with each other at the top, the end face of the grinding shaft (9) and the convex block far away from the top of the shell (1) is slidably jointed with a feeding plate (91), the feeding plate (91) is of a fan-shaped structure, the arc-shaped edge of the feeding plate (91) and the inner side wall of the shell (1) are mutually matched and fixedly connected, a feeding hole is arranged on the side wall of the shell (1) in a penetrating mode, and the feeding hole is opposite to the gap between the grinding shaft (9) and the convex block.

3. The environment-friendly reciprocating flow-limiting type pulping device for producing corrugated base paper as claimed in claim 2, wherein the driving stirring blades (31) are distributed and connected to the periphery of the driving shaft (3) in an annular array manner, the driven stirring blades (41) are distributed and connected to the periphery of the driven shaft (4) in an annular array manner, and the driving stirring blades (31) and the driven stirring blades (41) are respectively arranged along the axial extension direction of the driving shaft (3) and the driven shaft (4).

4. The environment-friendly reciprocating flow-limiting type pulping device for producing corrugated base paper as claimed in claim 2, wherein the transmission member (5) comprises a driving wheel (51) fixedly connected to the tail end of the driving shaft (3) and a driven wheel (52) fixedly connected to the tail end of the driven shaft (4), and the driving wheel (51) and the driven wheel (52) are in meshing transmission connection.

5. The environment-friendly reciprocating flow-limiting type pulping device for production of corrugated paper base paper according to claim 2, wherein the circulation mechanism (6) comprises a circulation cavity shell (61), two ends of the circulation cavity shell (61) are respectively provided with a flow guide pipe (65) in a penetrating and communicating manner, the flow guide pipe (65) at one end of the circulation cavity shell (61) is communicated with the inner bottom of the shell (1), the flow guide pipe (65) at the other end of the circulation cavity shell (61) is communicated with the input end of the circulation pump (7), the output end of the circulation pump (7) is communicated with the inner top of the shell (1), and a crushing assembly is arranged between the two groups of flow guide pipes (65) on the circulation cavity shell (61).

6. The environment-friendly reciprocating flow-limiting type pulping device for producing corrugated base paper as claimed in claim 2, wherein the crushing assembly comprises a second motor (64), the second motor (64) is mounted on the outer side of the circulation cavity shell (61), the output end of the second motor (64) movably extends into the circulation cavity shell (61) and is in transmission connection with a crushing shaft (62), and a plurality of groups of crushing blades (63) are fixedly connected to the periphery of the crushing shaft (62).

7. The environment-friendly reciprocating flow-limiting type pulping device for production of corrugated paper base paper is characterized in that the discharge joint (8) comprises a discharge pipe (81) communicated with one side of the bottom of the shell (1), one side of the discharge pipe (81) far away from the shell (1) is connected with an end cover (82) through thread fit, the discharge pipe (81) is connected with a filter head (83) in a sliding fit manner, the part of the filter head (83) located in the discharge pipe (81) is matched with the inner wall of the discharge pipe (81) in size, the filter head (83) is sunken towards one side of the shell (1), and a filter screen is embedded in the sunken position.

8. The environment-friendly reciprocating flow-limiting pulping device for production of corrugated base paper as claimed in claim 2, wherein a sliding groove (84) is installed on one side of the discharging pipe (81) opposite to the filter head (83), a sliding plate (85) is arranged in the sliding groove (84) in a sliding fit manner, one end of the sliding plate (85) is fixedly connected with a valve plate (86), the valve plate (86) penetrates through the side wall of the discharging pipe (81) in a sliding manner, the tail end of the valve plate (86) is movably abutted against the edge of the filter head (83) far away from the housing (1), the valve plate (86) is movably matched with the inner wall of the discharging pipe (81) in size, and an elastic member (87) is connected and arranged between the sliding plate (85) and the discharging pipe (81).

Technical Field

The invention belongs to the technical field of corrugated paper production, and particularly relates to an environment-friendly reciprocating flow-limiting type pulping device for producing corrugated paper base paper.

Background

Corrugated paper is a plate-like object formed by bonding liner paper and corrugated paper formed by processing with a corrugating roll, and is generally classified into single corrugated board and double corrugated board.

In the corrugated paper preparation process, the pulping process is an important production step. In the prior art, a pretreatment procedure may be required to be added because the fiber is too large during pulping, and the uniformity of the pulp during processing can be obtained only by long-time continuous processing, so that the efficiency is relatively low.

The pulping is carried out through the scheme in the prior art, the environment-friendly effect of the process is poor, the crude fiber which cannot be utilized is not convenient to remove, the use quality of a finished product is easily influenced, and the whole treatment process is not environment-friendly enough.

Disclosure of Invention

The embodiment of the invention aims to provide an environment-friendly reciprocating flow-limiting type pulping device for producing corrugated paper base paper, and aims to solve the problems in the prior art.

The embodiment of the invention is realized in such a way that the environment-friendly reciprocating flow-limiting type pulping device for producing the corrugated paper body paper comprises a shell, wherein a driving shaft is rotationally connected and arranged in the shell, a plurality of groups of driven shafts are distributed on the periphery of the driving shaft in an annular array manner in the shell, the driving shaft and the driven shafts are synchronously connected through a transmission part in a transmission manner, and a plurality of groups of driving stirring blades and driven stirring blades which are arranged in a staggered manner are fixedly connected on the periphery of the driving shaft and the periphery of the driven shafts respectively; one side of the shell is communicated with a circulating mechanism which is used for circularly guiding and synchronously refining materials on different layers in the shell, one end of the circulating mechanism is communicated with the bottom in the shell, and the other end of the circulating mechanism is communicated with the top in the shell through a circulating pump; one side of the shell is communicated with a discharging joint.

Further technical scheme, the peripheral fixed connection of a set of driven shaft is provided with rolls the axle, rolls axle one side and is equipped with fixed connection at the shell top and with roll the same lug of axle size, rolls axle and lug activity adaptation, rolls axle and shell interior top activity laminating, rolls the end face slip laminating that axle and lug kept away from the shell top and is provided with the feed plate, and the feed plate is fan-shaped structure, feed plate arc edge and the mutual adaptation of shell inside wall and fixed connection run through on the lateral wall of shell and be provided with the feed inlet, and the feed inlet is relative with the clearance of rolling between axle and the lug.

Further technical scheme, the initiative stirring leaf is annular array distribution and connects in the driving shaft periphery, driven stirring leaf is annular array distribution and connects in the driven shaft periphery, and initiative stirring leaf and driven stirring leaf set up along the axial extending direction of driving shaft and driven shaft respectively.

According to a further technical scheme, the transmission part comprises a driving wheel fixedly connected to the tail end of the driving shaft and a driven wheel fixedly connected to the tail end of the driven shaft, and the driving wheel is in meshing transmission connection with the driven wheel.

The technical scheme is further that the circulating mechanism comprises a circulating cavity shell, two ends of the circulating cavity shell are respectively provided with a flow guide pipe in a penetrating and communicating mode, the flow guide pipe at one end of the circulating cavity shell is communicated with the inner bottom of the shell, the flow guide pipe at the other end of the circulating cavity shell is communicated with the input end of the circulating pump, the output end of the circulating pump is communicated with the inner top of the shell, and the circulating cavity shell is provided with a crushing assembly between the two groups of flow guide pipes.

According to the technical scheme, the crushing assembly comprises a second motor, the second motor is installed on the outer side of the circulating cavity shell, the output end of the second motor movably extends into the circulating cavity shell, the crushing shaft is connected in a transmission mode, and a plurality of groups of crushing blades are fixedly connected to the periphery of the crushing shaft.

Further technical scheme, the ejection of compact connects including the discharging pipe that the intercommunication set up in shell bottom one side, one side that the shell was kept away from to the discharging pipe is connected with the end cover through screw-thread fit, sliding fit is connected with the filter head on the discharging pipe, the part that the filter head is located the discharging pipe matches with the discharging pipe inner wall size, the filter head is sunken form towards one side of shell, and sunken form position department inlays and has the filter screen.

According to the technical scheme, a sliding groove is formed in one side, opposite to the filter head, of the discharging pipe, a sliding plate is arranged in the sliding groove in a sliding fit mode, a valve plate is fixedly connected to one end of the sliding plate and penetrates through the side wall of the discharging pipe in a sliding mode, the edge, far away from the shell, of the tail end of the valve plate and the filter head is movably abutted to each other, the valve plate is matched with the inner wall of the discharging pipe in a size moving mode, and an elastic piece is connected and arranged between the sliding plate and the discharging pipe.

According to the environment-friendly reciprocating current-limiting type pulping device for producing the corrugated paper base paper, the driving shaft realizes synchronous rotation of the driven shaft through transmission of the transmission part, and the driving shaft and the driven shaft can synchronously rotate in opposite directions, so that materials entering the shell can be uniformly stirred by the driving stirring blades and the driven stirring blades which are arranged in a staggered mode, wherein crude fibers can be further kneaded and crushed by the driving stirring blades and the driven stirring blades which are arranged in a staggered mode, and therefore the uniformity of pulp after pulping is improved; after the circulation mechanism is started, the slurry positioned at the bottom in the shell can be pumped out, and after the slurry is refined and crushed, the slurry is injected into the top in the shell, so that different layer surface slurries in the shell can be mixed conveniently, the uniformity of the slurry is further improved, and by adopting the mode, the slurry can be saved more, the processing procedure is simplified, and the whole environment is more environment-friendly.

Drawings

FIG. 1 is a schematic structural diagram of an environment-friendly reciprocating flow-limiting type pulping device for production of corrugated base paper according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a transmission member in an environment-friendly reciprocating flow-limiting type pulping device for production of corrugated base paper according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a discharge joint in an environment-friendly reciprocating flow-limiting type pulping device for production of corrugated base paper according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic structural view of the area A in FIG. 1 according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a circulation mechanism in an environment-friendly reciprocating flow-limiting type pulping device for production of corrugated base paper according to an embodiment of the present invention.

In the drawings: 1. a housing; 2. a first motor; 3. a drive shaft; 31. actively stirring the leaves; 4. a driven shaft; 41. a driven stirring blade; 5. a transmission member; 51. a driving wheel; 52. a driven wheel; 53. a housing; 6. a circulating mechanism; 61. a circulation chamber housing; 62. a crushing shaft; 63. a crushing blade; 64. a second motor; 65. a flow guide pipe; 7. a circulation pump; 8. a discharge joint; 81. a discharge pipe; 82. an end cap; 83. a filter head; 84. a sliding groove; 85. a sliding plate; 86. a valve plate; 87. an elastic member; 9. grinding the shaft; 91. and a feeding plate.

Detailed Description

As shown in fig. 1, an environment-friendly reciprocating flow-limiting type pulping device for producing corrugated paper base paper provided by an embodiment of the present invention includes a housing 1, a driving shaft 3 is rotatably connected in the housing 1, a plurality of groups of driven shafts 4 are distributed in an annular array on the periphery of the driving shaft 3 in the housing 1, the driving shaft 3 and the driven shafts 4 are synchronously connected by a transmission member 5, and a plurality of groups of driving stirring blades 31 and driven stirring blades 41 which are staggered are fixedly connected to the periphery of the driving shaft 3 and the periphery of the driven shafts 4 respectively; a circulating mechanism 6 for circularly guiding and synchronously refining materials on different layers in the shell 1 is arranged on one side of the shell 1 in a communicating manner, one end of the circulating mechanism 6 is communicated with the bottom in the shell 1, and the other end of the circulating mechanism 6 is communicated with the top in the shell 1 through a circulating pump 7; one side of the shell 1 is communicated with a discharging joint 8.

In the embodiment of the invention, preferably, the shell 1 is a cylindrical cavity structure, the lower end of the shell 1 is fixedly connected with a plurality of groups of supporting columns, universal wheels can be arranged at the lower end of the shell 1, and the transmission part 5 is arranged at the bottom below the shell 1; the installation of the top of shell 1 is provided with first motor 2, the shell 1 is run through in the activity of the output of first motor 2, and the output of first motor 2 passes through the shaft coupling and forms the transmission with driving shaft 3 and connect, driving shaft 3 forms the rotation through bearing and shell 1 and connects, driven shaft 4 passes through the bearing and rotates to be connected in shell 1 between top and bottom, driven shaft 4 can use driving shaft 3's axis position to be the annular array and distribute as the center, the preferred six groups that are provided with.

In the embodiment of the present invention, preferably, after the first motor 2 is started, the driving shaft 3 can rotate in the housing 1, the driving shaft 3 can synchronously rotate the driven shaft 4 through the transmission of the transmission member 5, and the driving shaft 3 and the driven shaft 4 can synchronously rotate in opposite directions, so that the material entering the housing 1 can be uniformly stirred by the driving stirring blades 31 and the driven stirring blades 41 which are arranged in a staggered manner, wherein the crude fiber can be further kneaded and crushed by the staggered driving stirring blades 31 and the driven stirring blades 41, thereby improving the uniformity of the slurry after pulping; after the circulation mechanism 6 is started, the slurry at the bottom in the shell 1 can be pumped out, and the slurry is injected into the top in the shell 1 after being refined and crushed, so that the slurry in different layers in the shell 1 can be mixed conveniently, and the uniformity of the slurry is further improved.

As shown in fig. 1, as a preferred embodiment of the present invention, a set of driven shafts 4 is fixedly connected with a roller shaft 9 at the periphery, one side of the roller shaft 9 is provided with a convex block fixedly connected with the top of the housing 1 and having the same size as the roller shaft 9, the roller shaft 9 is movably fitted with the convex block, the roller shaft 9 is movably fitted with the inner top of the housing 1, the end surfaces of the roller shaft 9 and the convex block far away from the top of the housing 1 are slidably fitted with a feeding plate 91, the feeding plate 91 is of a fan-shaped structure, the arc-shaped edge of the feeding plate 91 is mutually fitted and fixedly connected with the inner side wall of the housing 1, the side wall of the housing 1 is provided with a feeding port in a penetrating manner, and the feeding port is opposite to the gap between the roller shaft 9 and the convex block.

In the embodiment of the invention, preferably, the grinding shaft 9 and the bump are both cylindrical, and the surfaces of the grinding shaft 9 and the bump can be added with annularly arranged prismatic ribs or uniformly arranged bulges; driven shaft 4 can drive and grind axle 9 and rotate when rotating, grinds axle 9 and lug formation relative rotation, after the raw materials passes through the feed inlet and drops into, can form preliminary crushing through grinding axle 9 and lug cooperation, can realize preliminary crushing processing, the subsequent slurrying of being convenient for to fibre material like this.

As shown in fig. 1, as a preferred embodiment of the present invention, the driving stirring vanes 31 are distributed and connected to the periphery of the driving shaft 3 in an annular array, the driven stirring vanes 41 are distributed and connected to the periphery of the driven shaft 4 in an annular array, and the driving stirring vanes 31 and the driven stirring vanes 41 are respectively arranged along the axial extension direction of the driving shaft 3 and the driven shaft 4.

In the embodiment of the present invention, preferably, the driving stirring blades 31 and the driven stirring blades 41 are both rod-shaped or prism-shaped, the driving stirring blades 31 and the driven stirring blades 41 are arranged alternately, the driving stirring blades 31 on the same layer are located between two adjacent layers of driven stirring blades 41, and the adjacent driving stirring blades 31 are adapted to the driven stirring blades 41, so that when the driving shaft 3 and the driven shaft 4 drive the driving stirring blades 31 and the driven stirring blades 41 to rotate, the material can be uniformly stirred, and meanwhile, the driving stirring blades 31 and the driven stirring blades 41 rotate in opposite directions, so as to further break the fibers to improve the quality of the slurry.

As shown in fig. 1-2, as a preferred embodiment of the present invention, the transmission member 5 includes a driving wheel 51 fixedly connected to the end of the driving shaft 3 and a driven wheel 52 fixedly connected to the end of the driven shaft 4, and the driving wheel 51 and the driven wheel 52 are in meshing transmission connection.

In the embodiment of the present invention, preferably, the driving shaft 3 and the driven shaft 4 both movably penetrate through the bottom of the housing 1, the driving shaft 3 and the driven shaft 4 are connected with the bottom of the housing 1 through a sealed bearing, the driving wheel 51 and the driven wheel 52 can be arranged in the housing 1 or arranged below the outer side of the housing 1, when the driving wheel 51 and the driven wheel 52 are arranged below the housing 1, the periphery of the driving wheel 51 and the driven wheel 52 is covered with the cover 53, and the cover 53 is connected to the housing 1 through screws.

In the embodiment of the present invention, preferably, after the first motor 2 is started, the driving shaft 3 and the driving wheel 51 rotate synchronously, and the driving wheel 51 drives the plurality of sets of driven wheels 52 to rotate reversely through meshing transmission when rotating, so as to form synchronous reverse rotation of the driving shaft 3 and the driven shaft 4.

As shown in fig. 1, 4 and 5, as a preferred embodiment of the present invention, the circulation mechanism 6 includes a circulation chamber housing 61, two ends of the circulation chamber housing 61 are both provided with a flow guide pipe 65 in a penetrating and communicating manner, the flow guide pipe 65 at one end of the circulation chamber housing 61 is communicated with the bottom of the inside of the casing 1, the flow guide pipe 65 at the other end of the circulation chamber housing 61 is communicated with the input end of the circulation pump 7, the output end of the circulation pump 7 is communicated with the top of the inside of the casing 1, and a crushing assembly is arranged between the two sets of flow guide pipes 65 on the circulation chamber housing 61.

In the embodiment of the present invention, preferably, after the circulation pump 7 is started, the slurry can be pumped into the circulation chamber shell 61 from the flow guide pipe 65 at one end of the circulation chamber shell 61, and after the slurry is refined by the pulverizing assembly, the slurry flows back into the casing 1 through the flow guide pipe 65 at the other end of the circulation chamber shell 61 and the circulation pump 7, so that the circulation treatment can improve the mixing effect of the slurry at different layers in the casing 1, improve the refining effect, and improve the quality of the slurry.

As shown in fig. 4 and 5, as a preferred embodiment of the present invention, the crushing assembly includes a second motor 64, the second motor 64 is installed outside the circulation chamber housing 61, an output end of the second motor 64 movably extends into the circulation chamber housing 61 and is in transmission connection with a crushing shaft 62, and a plurality of groups of crushing blades 63 are fixedly connected to the periphery of the crushing shaft 62.

In the embodiment of the present invention, preferably, the circulation cavity shell 61 may adopt a disc-shaped structure, the output ends of the crushing shaft 62 and the second motor 64 are both located at the center of the circle of the end surface of the circulation cavity shell 61, the edge of the crushing blade 63 is movably fitted with the inner wall of the circulation cavity shell 61, and the second motor 64 drives the crushing shaft 62 to rotate after being started, so that the slurry passing through the circulation cavity shell 61 can be crushed and refined by the crushing blade 63 rotating at a high speed.

As shown in fig. 1 and 3, as a preferred embodiment of the present invention, the discharge joint 8 includes a discharge pipe 81 disposed at one side of the bottom of the outer shell 1 in a communicating manner, one side of the discharge pipe 81 away from the outer shell 1 is connected with an end cap 82 through a screw fit, a filter head 83 is connected on the discharge pipe 81 in a sliding fit manner, a portion of the filter head 83 located in the discharge pipe 81 is matched with the inner wall of the discharge pipe 81 in size, one side of the filter head 83 facing the outer shell 1 is recessed, and a filter screen is embedded in the recessed position.

In the embodiment of the invention, preferably, the filter head 83 can be fixed on the discharge pipe 81 through screw assembly, the slurry can be discharged through the discharge pipe 81, the slurry passing through the discharge pipe 81 can be further refined and uniform through the filter screen, the impurities trapped by filtration can be cleaned through pulling out the filter head 83, and the filter head is convenient and efficient to disassemble and clean.

As shown in fig. 1 and 3, as a preferred embodiment of the present invention, a sliding groove 84 is installed on a side of the discharging pipe 81 opposite to the filter head 83, a sliding plate 85 is installed in the sliding groove 84 in a sliding fit manner, one end of the sliding plate 85 is fixedly connected with a valve plate 86, the valve plate 86 slidably penetrates through a side wall of the discharging pipe 81, the end of the valve plate 86 movably abuts against an edge of the filter head 83 far away from the housing 1, the valve plate 86 is movably matched with the inner wall of the discharging pipe 81 in size, and an elastic member 87 is connected between the sliding plate 85 and the discharging pipe 81.

In the embodiment of the present invention, preferably, the elastic member 87 is disposed at the periphery of the valve plate 86, when the end of the filter head 83 is movably fitted in the discharging pipe 81, the elastic member 87 is stretched, and the end of the valve plate 86 abuts against the edge of the filter head 83; when taking off from discharging pipe 81 when filter head 83, elastic component 87 moves back and drives sliding plate 85 and slide in sliding tray 84, valve plate 86 is driven and is drawn and with discharging pipe 81 inner wall adaptation, valve plate 86 can shutoff discharging pipe 81 to can avoid thick liquids to spill when filter head 83 takes off the clearance, can avoid extravagant like this, and filterable coarse fibre can be used for making the material that the relative requirement of fineness is lower, also can be used for retrieving retreatment, environmental protection more.