CN220861272U - A surge tank for fine papermaking of glass - Google Patents
A surge tank for fine papermaking of glass Download PDFInfo
- Publication number
- CN220861272U CN220861272U CN202322493389.5U CN202322493389U CN220861272U CN 220861272 U CN220861272 U CN 220861272U CN 202322493389 U CN202322493389 U CN 202322493389U CN 220861272 U CN220861272 U CN 220861272U
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- China
- Prior art keywords
- fixed
- box body
- stirring rod
- inner cylinder
- box
- Prior art date
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- 239000011521 glass Substances 0.000 title abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 238000009826 distribution Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 4
- 229920001410 Microfiber Polymers 0.000 abstract description 14
- 239000003658 microfiber Substances 0.000 abstract description 14
- 229920000742 Cotton Polymers 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 abstract 4
- 244000309464 bull Species 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 32
- 125000002091 cationic group Chemical group 0.000 description 19
- 229920002401 polyacrylamide Polymers 0.000 description 19
- 239000011491 glass wool Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000945 filler Substances 0.000 description 5
- 238000004537 pulping Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000012744 reinforcing agent Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Paper (AREA)
Abstract
The utility model relates to the technical field of filter paper production, in particular to a pulp mixing box for glass fiber papermaking. Including the box, it is connected with the puddler to rotate in the box, be provided with the inner tube in the box upper end, the puddler runs through the bottom plate of inner tube, be fixed with a plurality of bull sticks on the inboard puddler of inner tube, be provided with the clearance between inner tube outer fringe and the box, concentric fixed ring on the bottom plate of inner tube, the puddler runs through the fixed ring, puddler and fixed ring movable seal connection, the box upper end is provided with the drive arrangement who is used for driving inner tube up-and-down motion, the annular has been seted up on the puddler of fixed ring below, be fixed with cloth liquid dish on the dead lever of annular below, a plurality of cloth liquid holes have been seted up to the circumference equipartition on the cloth liquid dish, the cover is equipped with the spring on the puddler between cloth liquid dish and the fixed ring. The utility model can reduce the stirring time of the stirring rod, improve the pulp mixing efficiency, reduce the pulp mixing cost and avoid the influence on the uniformity of the finished paper caused by excessive shearing of the microfiber glass cotton quilt.
Description
Technical Field
The utility model relates to the technical field of filter paper production, in particular to a pulp mixing box for glass fiber papermaking.
Background
The raw material of the ultra-efficient air filter paper is mainly microfiber glass wool. The microfiber glass wool is white flocculent fiber with the fiber diameter between 500nm and 3.5 um. The diameter is small and flocculent, so fibers are uniformly distributed after being re-carded by wet papermaking, and a three-dimensional microporous structure material can be formed after the fibers are processed into a filter paper product, and the filter paper product has good performances of filtering, adsorbing and limiting Brownian movement of fine particles such as tiny dust. Besides, the microfiber glass wool has the characteristics of insulativity, heat resistance, corrosion resistance, high mechanical strength and the like, and has good adaptability in coping with various working conditions.
After pulping, wet forming is carried out on the microfiber glass wool, sizing is carried out on the filter paper after the wet forming is carried out, the sizing can modify the surface of the filter paper, and then the filter paper is dried. In order to increase the strength of filter paper in pulp mixing using microfiber glass wool, it is generally necessary to add a reinforcing agent to the pulp in pulp mixing, and the types of reinforcing agents are relatively large, for example, polymers of Cationic Polyacrylamide (CPAM) and butyl acrylate, polyvinyl acetate, and the like. What kind of reinforcing agent and the adding amount are chosen according to the requirements of the product. Wherein CPAM has both enhancing effect and certain suspension dispersion effect on glass fiber, and the paper formation uniformity is good.
Cationic polyacrylamide is, because it has a variety of active groups, capable of affinity and adsorption with a variety of substances to form hydrogen bonds. Mainly flocculates colloid with negative charge, and has the functions of turbidity removal, decoloration, adsorption, adhesion and the like. The cations can be divided into two forms of solid particles and emulsion according to different forms.
When cationic polyacrylamide is added into the slurry for size mixing, the slurry is stirred by a mechanical stirring shaft in the conventional size mixing box, so that the cationic polyacrylamide can be fully mixed into the slurry only by long-time stirring, the pulping efficiency is low, the energy consumption is good, and the microfiber glass cotton can be excessively sheared by long-time mechanical stirring of the slurry, so that the paper forming uniformity is reduced in the paper making process.
Disclosure of utility model
The utility model aims to solve the technical problems that the pulping box can improve the pulping efficiency, reduce the pulping cost and avoid the influence on the uniformity of finished paper caused by excessive shearing of microfiber glass cotton. In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
A pulp mixing box for glass fiber papermaking comprises a box body and is characterized in that a stirring rod is rotationally connected in the box body, an inner cylinder is arranged in the upper end of the box body, the stirring rod penetrates through a bottom plate of the inner cylinder, a plurality of rotating rods are fixed on the stirring rod on the inner side of the inner cylinder, gaps are formed between the outer edge of the inner cylinder and the box body, a fixed ring is concentrically fixed on the bottom plate of the inner cylinder, the stirring rod penetrates through the fixed ring, the stirring rod is movably and hermetically connected with the fixed ring, a driving device for driving the inner cylinder to move up and down is arranged at the upper end of the box body, a ring groove is formed in the stirring rod below the fixed ring, a liquid distribution disc is fixed on the fixing rod below the ring groove, a plurality of liquid distribution holes are uniformly distributed on the circumference of the liquid distribution disc, and springs are sleeved on the stirring rod between the liquid distribution disc and the fixed ring.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, through arranging the inner cylinder, when the set amount of slurry is filled into the box body through the filling pipe, part of the slurry can be left in the inner cylinder, and in the process of filling the cationic polyacrylamide into the box body through the filling pipe, the cationic polyacrylamide can be mixed with the slurry in the inner cylinder to form mixed liquid, the slurry in the inner cylinder can be used as a solvent of the cationic polyacrylamide, and the slurry in the inner cylinder and the cationic polyacrylamide can be mixed in the process of rotating the stirring rod, so that the mixed liquid in the inner cylinder can be conveniently distributed in the next step.
2. After slurry and cationic polyacrylamide in the inner barrel are mixed, the telescopic cylinder is started, so that the inner barrel moves downwards, after the fixing ring is integrally located outside the annular groove, the fixing ring is inserted into the lower sleeve, mixed liquid can enter the liquid distribution disc through the annular groove and the grooves, then the mixed liquid is dispersed into slurry in a box below the liquid distribution disc through a plurality of liquid distribution holes in the liquid distribution disc, the stirring time of a stirring rod can be reduced, the slurry mixing efficiency is improved, the slurry mixing cost can be reduced, and the influence on paper uniformity caused by excessive shearing of microfiber glass cotton is avoided.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is an enlarged view of the area a in fig. 1.
FIG. 3 is a diagram showing the positional relationship between the liquid distribution plate and the inner tube.
The names of the parts in the drawings are as follows:
1. Box body
2. Charging pipe
3. Slurry outlet pipe
4. Filling pipe
5. Motor with a motor housing
6. Support frame
7. Stirring rod
8. Inner cylinder
9. Rotating rod
11. Polished rod
12. Fixed block
13. Telescopic cylinder
14. Fixing ring
15. Liquid distribution disc
16. Lower sleeve
17. Slotting
18. Annular groove
19. And (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a pulp mixing box for glass fiber papermaking comprises a box body 1, wherein a pulp outlet pipe 3 is fixedly communicated with the lower end of the box body 1, a filling pipe 4 is fixedly communicated with the upper end of the box body 1, and a filling pipe 2 is fixedly communicated with the box body 1. Microfiber glass wool may be added to the tank 1 through the filler pipe 2 and slurry and cationic polyacrylamide may be added to the tank 1 through the filler pipe 4.
The stirring rod 7 is connected with the box body 1 in a rotating way, the motor 5 is fixed at the upper end of the box body 1, and an output shaft of the motor 5 is fixedly connected with the upper end of the stirring rod 7. The lower end of the box body 1 is internally fixed with a bracket 6, and the lower end of a stirring rod 7 is rotationally connected with the bracket 6. The motor 5 can drive the stirring rod 7 to rotate so as to stir the slurry in the box body 1.
An inner cylinder 8 is arranged in the upper end of the box body 1, and the feeding tube 2 is positioned below the inner cylinder 8. A plurality of rotating rods 9 are fixed on the stirring rod 7 at the inner side of the inner cylinder 8. A gap is arranged between the outer edge of the inner cylinder 8 and the box body 1.
The filler pipe 4 is located above the inner cylinder 8. In the process of filling the slurry and the cationic polyacrylamide into the tank 1 through the filler pipe 4, the slurry and the cationic polyacrylamide can enter the inner cylinder 8. The inner edge of the inner barrel 8 is fixedly provided with a plurality of fixed blocks 12, each fixed block 12 is fixedly connected with a vertical polish rod 11, the polish rod 11 penetrates through the fixed block 12, and the lower end of the polish rod 11 is fixedly connected with the upper end of the bottom plate of the inner barrel 8.
A fixed ring 14 is fixed on the bottom plate of the inner cylinder 8, the stirring rod 7 penetrates through the fixed ring 14, and the stirring rod 7 is movably and hermetically connected with the fixed ring 14. The inner edge of the fixed ring 14 is fixed with a sealing ring, and the fixed ring 14 is movably and hermetically connected with the stirring rod 7 through the sealing ring. The upper end of the fixed ring 14 is flush with the upper end of the bottom plate of the inner cylinder 8. When the inner cylinder 8 descends and the mixed liquid in the inner cylinder 8 is discharged, the mixed liquid in the inner cylinder 8 can be prevented from being blocked by the fixing ring 14, the mixed liquid can be completely discharged from the inner cylinder 8, and the amount of adding the cationic polyacrylamide into the slurry can be ensured.
The upper end of the box body 1 is provided with a driving device for driving the inner cylinder 8 to move up and down. The driving device comprises a telescopic cylinder 13 fixed at the upper end of the box body 1, and a telescopic rod of the telescopic cylinder 13 is fixedly connected with the polished rod 11.
A ring groove 18 is formed in the stirring rod 7 below the fixed ring 14, a liquid distribution plate 15 is fixed on the fixed rod below the ring groove 18, a plurality of liquid distribution holes are uniformly distributed on the circumference of the liquid distribution plate 15, and a spring 19 is sleeved on the stirring rod 7 between the liquid distribution plate 15 and the fixed ring 14. The spring 19 can play a certain supporting role on the inner cylinder 8, and can reduce the tensile force applied to the telescopic cylinder 13 when the inner cylinder 8 is filled with slurry, thereby prolonging the service life of the telescopic cylinder 13.
The upper end of the liquid distribution disc 15 is fixedly provided with a lower sleeve 16, a plurality of grooves 17 are uniformly distributed on the circumference of the lower end of the lower sleeve 16, and the inner edge of the upper end of the lower sleeve 16 is provided with a guide conical surface. The fixing ring 14 can be inserted into the lower sleeve 16 after descending, and the inner edge of the lower sleeve 16 can be contacted with the outer edge of the fixing ring 14. The guide cone can facilitate insertion of the lower end of the retaining ring 14 into the lower sleeve 16.
When the device is used, microfiber glass wool is added into the box body 1 through the feeding pipe 2, slurry is added into the box body 1 through the filling pipe 4, the slurry enters the inner cylinder 8 in advance, and then the slurry in the inner cylinder 8 can overflow into the lower end of the box body 1 along with the continuous increase of the slurry in the inner cylinder 8. Microfiber glass wool is added into the box body 1 through the feeding pipe 2. Then, the motor 5 is started, the motor 5 drives the stirring rod 7 to rotate, and the stirring rod 7 can scatter and stir the slurry and the microfiber glass wool to prepare the slurry. In the process of rotation of the stirring rod 7, the rotating rod 9 rotates along with the rotation, and the slurry in the inner cylinder 8 can be stirred in the process of rotation of the rotating rod 9, so that part of the slurry in the inner cylinder 8 overflows, and space is reserved for filling the cationic polyacrylamide into the inner cylinder 8. The cationic polyacrylamide is then added to the inner barrel 8 via the filler pipe 4. In the process of filling the cationic polyacrylamide into the box body 1 through the filling pipe 4, the cationic polyacrylamide can be mixed with the slurry in the inner cylinder 8 to form a mixed solution, and the slurry in the inner cylinder 8 can become a solvent of the cationic polyacrylamide.
The motor 5 is started and the stirring rod 7 rotates at a low speed, and the rotating rod 9 can mix the slurry in the inner cylinder 8 and the cationic polyacrylamide to form a mixed solution.
Then, the telescopic cylinder 13 is started to enable the inner cylinder 8 to descend, when the fixing ring 14 is integrally located outside the annular groove 18, the lower end of the fixing ring 14 can be inserted into the lower sleeve 16, and the stability of the inner cylinder 8 in the descending process can be guaranteed through the insertion and connection of the fixing ring 14 and the lower sleeve 16. Meanwhile, the mixed liquid can enter the liquid distribution disc 15 through the annular groove 18 and the grooves 17, and the mixed liquid is dispersed into the slurry in the tank body 1 below the liquid distribution disc 15 through a plurality of liquid distribution holes on the liquid distribution disc 15. Through the dispersion of many mixed liquor, can reduce the stirring time of puddler 7, improve the efficiency of mixing pulp, can reduce the size mixing cost, avoid microfiber glass cotton quilt to excessively cut and influence the paper degree of consistency.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. A pulp mixing box for glass fiber papermaking comprises a box body (1), and is characterized in that a stirring rod (7) is rotationally connected to the box body (1), an inner cylinder (8) is arranged in the upper end of the box body (1), the stirring rod (7) penetrates through a bottom plate of the inner cylinder (8), a plurality of rotating rods (9) are fixed on the stirring rod (7) on the inner side of the inner cylinder (8), gaps are formed between the outer edge of the inner cylinder (8) and the box body (1), a fixed ring (14) is concentrically fixed on the bottom plate of the inner cylinder (8), the stirring rod (7) penetrates through the fixed ring (14), the stirring rod (7) is movably and hermetically connected with the fixed ring (14), a driving device for driving the inner cylinder (8) to move up and down is arranged at the upper end of the box body (1), a ring groove (18) is formed in the stirring rod (7) below the fixed ring groove (14), a plurality of liquid distribution plates (15) are fixed on the fixed rod below the ring groove (18), a plurality of liquid distribution holes are formed in the circumference of the liquid distribution plates (15), and springs (19) are uniformly distributed on the stirring rod (7) between the liquid distribution plates (15).
2. The pulp mixing box for glass fiber papermaking according to claim 1, wherein a motor (5) is fixed at the upper end of the box body (1), and an output shaft of the motor (5) is fixedly connected with the upper end of a stirring rod (7).
3. The pulp mixing box for glass fiber papermaking according to claim 1, wherein a pulp outlet pipe (3) is fixedly communicated with the lower end of the box body (1), a filling pipe (4) is fixedly communicated with the upper end of the box body (1), the filling pipe (4) is positioned above the inner barrel (8), and a feeding pipe (2) is fixedly communicated with the box body (1) below the inner barrel (8).
4. The pulp mixing box for glass fiber papermaking according to claim 1, wherein a plurality of fixing blocks (12) are fixed on the inner edge of the inner cylinder (8), vertical polished rods (11) are fixedly connected to the fixing blocks (12), the polished rods (11) penetrate through the fixing blocks (12), and the lower ends of the polished rods (11) are fixedly connected with the bottom plate of the inner cylinder (8).
5. The pulp mixing box for glass fiber papermaking according to claim 4, wherein the driving device comprises a telescopic cylinder (13) fixed at the upper end of the box body (1), and a telescopic rod of the telescopic cylinder (13) is fixedly connected with the polished rod (11).
6. The pulp mixing box for glass fiber papermaking according to claim 1, wherein a sealing ring is fixed on the inner edge of the fixed ring (14), and the fixed ring (14) is movably and hermetically connected with the stirring rod (7) through the sealing ring.
7. A headbox for use in glassfiber making according to claim 1, wherein the upper end of the retaining ring (14) is flush with the upper end of the floor of the inner cylinder (8).
8. The pulp mixing box for glass fiber papermaking according to claim 1, wherein a lower sleeve (16) is fixed at the upper end of the liquid distribution disc (15), a plurality of grooves (17) are uniformly distributed on the circumference of the lower end of the lower sleeve (16), a guiding conical surface is formed on the inner edge of the upper end of the lower sleeve (16), the fixing ring (14) can be inserted into the lower sleeve (16) after descending, and the inner edge of the lower sleeve (16) can be in contact with the outer edge of the fixing ring (14).
9. The pulp mixing box for glass fiber papermaking according to claim 1, wherein a bracket (6) is fixed in the lower end of the box body (1), and the lower end of a stirring rod (7) is rotationally connected with the bracket (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493389.5U CN220861272U (en) | 2023-09-14 | 2023-09-14 | A surge tank for fine papermaking of glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493389.5U CN220861272U (en) | 2023-09-14 | 2023-09-14 | A surge tank for fine papermaking of glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220861272U true CN220861272U (en) | 2024-04-30 |
Family
ID=90817639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322493389.5U Active CN220861272U (en) | 2023-09-14 | 2023-09-14 | A surge tank for fine papermaking of glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220861272U (en) |
-
2023
- 2023-09-14 CN CN202322493389.5U patent/CN220861272U/en active Active
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| GR01 | Patent grant |