CN213885767U

CN213885767U - Pulp pool stirrer for papermaking

Info

Publication number: CN213885767U
Application number: CN202022053298.6U
Authority: CN
Inventors: 吴天鹏; 洪昌龙; 匡江波
Original assignee: Shanying Huazhong Paper Co ltd
Current assignee: Shanying Huazhong Paper Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-08-06
Anticipated expiration: 2030-09-18

Abstract

The utility model provides a pulp chest agitator is used in paper-making, which comprises a housin, the top and the bottom of casing are provided with pan feeding mouth and discharge gate respectively, be provided with rabbling mechanism in the casing, rabbling mechanism is provided with the (mixing) shaft, the (mixing) shaft passes through the drive arrangement drive rotation at casing top, and the (mixing) shaft bottom is provided with anchor stirring rake, still be provided with the stirring vane who is used for vortex about the thick liquids on the (mixing) shaft, stirring vane overlaps with the stirring range part of anchor stirring rake. The utility model provides a thick liquids pond agitator is used in paper-making of thick liquids stirring, taking lateral wall to scrape material, simple structure.

Description

Pulp pool stirrer for papermaking

Technical Field

The utility model relates to a papermaking production technical field, concretely relates to thick liquid pond agitator for papermaking.

Background

In the papermaking production process, the pulp needs to be mixed and stirred uniformly and then is introduced into the subsequent working procedure for continuous production, and a pulp pool stirrer needs to be used in the process. However, in the prior art, the pulp slurry contains a large amount of plant liquid and plant fibers, the pulp slurry has high viscosity and is easy to agglomerate, and the pulp slurry is more easily adhered and stacked on the side wall of the pulp tank stirrer, so that raw materials are wasted, and troubles are brought to the subsequent washing of the stirrer.

The prior publication No. CN211069804U, entitled "a slurry pool stirrer", discloses a Chinese utility model including a top cover, a housing, a motor and a stirring shaft, wherein the motor is arranged at the upper end of the top cover, the top cover is detachably arranged above the housing, the stirring shaft is connected with the lower end of the motor, a plurality of inclined stirring blades are fixedly connected on the side wall of the stirring shaft, the tail ends of the stirring blades are fixedly connected with a cleaning part, the cleaning part is contacted with the inner wall of the housing, and a plurality of stirring teeth are fixedly arranged at the bottom of the stirring blade at the lowest end and the bottom of the stirring shaft; the slurry pool stirrer further comprises a waste gas treatment device communicated with the top cover, activated carbon particles are placed in the waste gas treatment device, and the activated carbon particles purify waste gas generated in the stirring process. However, the proposal still cannot solve the problems that the slurry is adhered to the side wall of the stirrer and is not uniformly mixed up and down.

Therefore, a papermaking slurry pool stirrer with uniform slurry stirring, side wall scraping and simple structure is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a thick liquids pond agitator is used in paper-making of thick liquids stirring, taking lateral wall to scrape material, simple structure.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a pulp vat agitator for papermaking, includes the casing, the top and the bottom of casing are provided with pan feeding mouth and discharge gate respectively, be provided with rabbling mechanism in the casing, rabbling mechanism is provided with the (mixing) shaft, the (mixing) shaft passes through the drive arrangement drive rotation at casing top, and the (mixing) shaft bottom is provided with anchor stirring rake, still be provided with the stirring vane who is used for vortex about the thick liquids on the (mixing) shaft, stirring vane overlaps with the stirring scope part of anchor stirring rake.

By adopting the technical scheme, the stirring mechanism comprises the anchor type stirring paddle and the stirring blades, the anchor type stirring paddle is stable in structure, large in contact area with the slurry and capable of stirring the slurry transversely and longitudinally, the strong stirring paddle serving as the stirring mechanism provides strong stirring shearing force for the slurry pool stirrer, meanwhile, the stirring shaft is also provided with the stirring blades capable of vertically stirring the slurry, the stirring blades can further cooperate with the anchor type stirrer to carry out omnibearing stirring, mixing and stirring on the slurry, the stirring and mixing effect of the stirring mechanism is improved, the mixing uniformity of the slurry is improved, the stirring blades are partially overlapped with the stirring range of the anchor type stirring paddle, the overlapped stirring part can form overlapped stirring effect, the slurry stirred by the anchor type stirrer and the stirring blades in the overlapped stirring range can be mutually collided and mixed, and the mixing disorder of the stirring is further improved, the stirring uniformity is improved.

As the utility model discloses a further setting, stirring vane sets up to three groups, is blade one, blade two and blade three respectively, and a coaxial setting of blade is in the top of anchor formula stirring rake, and blade one is down to the blade, and blade two and the three coaxial settings of blade are in the below of blade one, and blade two and blade three are the epitrochoid.

Through adopting above-mentioned technical scheme, specifically be the last rotation direction blade at 45 inclination for blade one, blade two and blade three are the lower rotation direction blade at 45 inclination, and blade one, blade two and blade three form and revolve to opposite stirring vane group from top to bottom, and when stirring vane group rotatory stirring, the blade of upper and lower rotation direction can promote, the vortex about thick liquids for thick liquids obtain the stirring vortex in vertical direction, further improves the mixing homogeneity of thick liquids.

As a further setting of the utility model, the second blade and the third blade are arranged between the horizontal rods of the anchor type stirring paddle.

Through adopting above-mentioned technical scheme, blade two and blade three upwards pass the thick liquids, run into anchor stirring rake horizontal pole and break up the vortex to the thick liquids, the thick liquids of a vortex partly rebound improves the orderliness and the multidirectional of thick liquids stirring, further improves the homogeneity when thick liquids break up the stirring to thick liquids.

As the utility model discloses a further setting, stirring vane and anchor stirring rake are not located the coplanar in vertical direction.

Through adopting above-mentioned technical scheme, the design that does not lie in the coplanar can make stirring vane and anchor formula stirring rake have the difference of priority precedence order to the operating time of thick liquids, can improve the continuity of stirring, because unidirectional offset and stirring vibrations that syntropy, stirring brought simultaneously when reducing the stirring improve the stability of device.

As a further setting of the utility model, the first blade, the second blade and the third blade are not positioned on the same plane in the vertical direction.

Through adopting above-mentioned technical scheme, the blade has priority order to the action time of thick liquids, can improve the continuity of stirring, causes one-way vibration influence to the device when reducing the stirring, improves the stirring stability and the reliability of agitator.

As the utility model discloses a further setting, anchor stirring rake is provided with a plurality of scraping plate piece along the fixed a plurality of edge in the outside, the scraping plate piece tightly supports with the inner wall of casing.

Through adopting above-mentioned technical scheme, anchor stirring rake outside edge is provided with a plurality of scraper block, and the inner wall of thick liquid pond agitator is hugged closely all the time to the edge of scraper block, and the narrow limit on slant limit is shoveled the thick liquids that the inside wall was adhered down, remains the cleanness of thick liquid pond agitator inner wall all the time.

As a further setting of the utility model, the edge of the scraper block is the slant limit, the inclined plane on slant limit contacts with the inner wall of casing, the narrow limit on slant limit tightly supports with the inner wall of casing.

Through adopting above-mentioned technical scheme, the oblique limit of scraper blade piece can improve and inspect the area of contact of narrow limit and shells inner wall on the one hand with shells inner wall contacts, improves the spatula effect, and on the other hand sets up the hypotenuse, and the limit wall thickness on the narrow limit of scraper blade piece more does benefit to and forms the shovel face, improves the effect of spatula.

As the utility model discloses a further setting is provided with relative connecting plate on the anchor formula stirring rake, is provided with the connecting hole on the connecting plate, and scraper blade piece one side is provided with the through-hole, and the connecting rod runs through the through-hole and the connecting hole is fixed the scraper blade piece on the anchor formula stirring rake, and the cover is equipped with the torsional spring on the connecting rod, torsional spring one end is fixed with anchor formula stirring rake, and the other end is fixed with the scraper blade piece.

Through adopting above-mentioned technical scheme, this connected mode for the torsional spring commonly used, mainly tightly support the scraper blade piece on shells inner wall through the torsional spring, the mode that adopts the torsional spring is for this agitator provides the overload protection function, because at the thick liquids can form the hard material of adhering to on the inner wall at the in-process of agglomerating, the form that adopts the torsional spring can provide the moment of torsion buffering to rabbling mechanism, when the scraper blade piece is scraped motionlessly, the rotating resistance is greater than the torsion of torsional spring, scraper blade piece extrusion torsional spring, break away from hard material, make rabbling mechanism normal operating, but not surpass the moment of torsion that the rotation axis can bear and damage the rotatory motor of drive rotation axis, the scheme is nimble, the overload protection effect has been realized.

As the utility model discloses a further setting is provided with relative connecting plate on the anchor stirring rake, is provided with the connecting hole on the connecting plate, and scraper blade piece one side is provided with the through-hole, and the bolt runs through-hole and connecting hole and passes through lock nut locking.

Through adopting above-mentioned technical scheme, the angle modulation of scraper block also can be realized to the form through the bolt, before starting rabbling mechanism, hug closely the inner wall with scraper block adjustment once, and rethread lock nut locking is fixed, and this kind of mode simple structure makes things convenient for the actual production of enterprise to use.

As a further setting of the utility model, the top of the shell is also provided with an observation window.

Through adopting above-mentioned technical scheme, can observe the inside stirring condition of agitator through the observation window, make things convenient for operating personnel in time to observe whether the stirring condition of monitoring agitator normal operating and thick liquids.

The beneficial effect of this scheme:

1. the utility model discloses an rabbling mechanism includes anchor stirring rake and stirring vane, the stable in structure of anchor stirring rake, it is big with the area of contact of thick liquids, can transversely and vertically carry out the vortex stirring to thick liquids, the powerful stirring rake as rabbling mechanism provides powerful stirring shearing force for the thick liquid pond agitator, still be provided with the stirring vane to vortex about the thick liquids on the (mixing) shaft simultaneously, can further carry out omnidirectional vortex, mix, the stirring to thick liquids in coordination with the anchor agitator, improve the stirring mixed effect of rabbling mechanism, improve the homogeneity of mixing of thick liquids.

2. The utility model discloses a stirring vane sets up to three groups for blade one, blade two and blade three, wherein blade one is coaxial to be set up in the top of anchor stirring rake, blade one is down to the blade soon, blade two and the three coaxial settings of blade are in the below of blade one, blade two and blade three are the direction of turning on soon, blade one, blade two and three formation down revolve to opposite stirring vane group, when the rotatory stirring of stirring vane group, the blade of direction of turning on and off can promote about the thick liquids, the vortex for the thick liquids obtains the stirring vortex in vertical direction, further improve the homogeneity of mixing of thick liquids.

3. The utility model discloses a two blades and three settings of blade are between anchor stirring rake horizontal pole, and two blades and three blades are upwards passed the thick liquids, run into anchor stirring rake horizontal pole and break up the vortex to the thick liquids, and the thick liquids of a vortex partly rebound improves the orderliness and the multidirectional of thick liquids stirring, further improves the homogeneity of mixing when thick liquids break up the stirring to the thick liquids.

4. The utility model discloses an anchor stirring rake outside edge is provided with a plurality of scraping plate piece, and the edge of scraping plate piece is the slant limit, is provided with the torsional spring on the scraping plate piece, and the inner wall of thick liquid pond agitator is hugged closely all the time on the slant limit that the torsional spring ordered about scraping plate piece, and the narrow limit on slant limit is shoveled the thick liquids that the inside wall was adhered down, remains the cleanness of thick liquid pond agitator inner wall all the time.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a pulp tank agitator for papermaking according to the present invention;

FIG. 2 is a schematic cross-sectional view taken at A-A in FIG. 1;

fig. 3 is an enlarged schematic view of B in fig. 2.

In the figure, 1, a shell, 2, a feeding port, 3, a discharging port, 4, a stirring mechanism, 5, a stirring shaft, 6, a driving device, 7, an anchor type stirring paddle, 8, a stirring blade, 9, a first blade, 10, a second blade, 11, a third blade, 12, a scraping plate block, 13, an oblique edge, 14, a narrow edge, 15, a connecting plate, 16, a connecting hole, 17, a through hole, 18, a connecting rod, 19 and an observation window.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-3, the utility model provides a pulp chest agitator for paper-making, including casing 1, casing 1's top and bottom are provided with pan feeding mouth 2 and discharge gate 3 respectively, be provided with rabbling mechanism 4 in the casing 1, rabbling mechanism 4 is provided with (mixing) shaft 5, driving device 6 drive rotation at (mixing) shaft 5 through casing 1 top, (mixing) shaft 5 bottom is provided with anchor stirring rake 7, still be provided with on the (mixing) shaft 5 and be used for the stirring vane 8 to the vortex about the thick liquids, stirring vane 8 overlaps with the stirring range part of anchor stirring rake 7.

Specifically, the stirring blades 8 are arranged into three groups, namely a first blade 9, a second blade 10 and a third blade 11, the first blade 9 is coaxially arranged above the anchor type stirring paddle 7, the first blade 9 is a downward-rotating blade, the second blade 10 and the third blade 11 are coaxially arranged below the first blade 9, and the second blade 10 and the third blade 11 are upward-rotating. Specifically, the second blade 10 and the third blade 11 are arranged between the cross bars of the anchor type stirring paddle 7.

Specifically, the stirring blade 8 and the anchor stirring paddle 7 are not located on the same plane in the vertical direction, an included angle between the anchor stirring paddle 7 and the first blade 9 in the horizontal plane may be 20-40 °, the first blade 9, the second blade 10 and the third blade 11 are not located on the same plane in the vertical direction, the first blade 9 and the second blade 10 in the horizontal plane also form an included angle, the included angle may be 20-40 °, and the second blade 10 and the third blade 11 are located on the same plane and form an included angle, which may be 20-40 °.

Specifically, anchor stirring rake 7 is provided with a plurality of scraper blade piece 12 along outside edge is fixed, scraper blade piece 12 is supported tightly with the inner wall of casing 1. The edge of the scraper block 12 is an oblique edge 13, the oblique surface of the oblique edge 13 contacts with the inner wall of the shell 1, and the narrow edge 14 of the oblique edge 13 is tightly abutted to the inner wall of the shell 1.

Specifically, be provided with relative connecting plate 15 on the anchor stirring rake 7, be provided with connecting hole 16 on the connecting plate 15, scrape plate 12 one side and be provided with through-hole 17, connecting rod 18 runs through-hole 17 and connecting hole 16 and fixes scrape plate 12 on anchor stirring rake 7, and the cover is equipped with the torsional spring on the connecting rod 18, torsional spring one end is fixed with anchor stirring rake 7, and the other end is fixed with scrape plate 12.

Specifically, the top of the housing 1 is also provided with a viewing window 19.

The working principle is as follows: the utility model discloses an rabbling mechanism 4 includes anchor stirring rake 7 and stirring vane 8, anchor stirring rake 7 stable in structure, it is big with the area of contact of thick liquids, can transversely and vertically carry out the vortex stirring to thick liquids, the powerful stirring rake as rabbling mechanism 4 provides powerful stirring shearing force for the thick liquid pond agitator, still be provided with the stirring vane 8 to vortex about the thick liquids on the (mixing) shaft 5 simultaneously, can further carry out the omnidirectional vortex to the thick liquids in coordination with the anchor agitator, mix, the stirring, improve the stirring mixing effect of rabbling mechanism 4, improve the homogeneity of mixing of thick liquids.

Embodiment 2 differs from embodiment 1 only in that the connecting rod 18 is a bolt, and the bolt through-hole 17 and the connecting hole 16 are locked by a lock nut to fix the blade block 12 to the anchor blade 7.

The above is to the pulp tank stirrer for papermaking provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific embodiments, which are merely used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a pulp chest agitator for papermaking, includes casing (1), the top and the bottom of casing (1) are provided with pan feeding mouth (2) and discharge gate (3) respectively, its characterized in that: be provided with rabbling mechanism (4) in casing (1), rabbling mechanism (4) are provided with (mixing) shaft (5), drive arrangement (6) drive rotation at (mixing) shaft (5) top is passed through to (mixing) shaft (5) bottom is provided with anchor stirring rake (7), still be provided with on (mixing) shaft (5) and be used for stirring vane (8) to vortex about the thick liquids, stirring vane (8) partially overlap with the stirring scope of anchor stirring rake (7).

2. A papermaking vat agitator according to claim 1, characterized in that said agitator blades (8) are arranged in three groups, blade one (9), blade two (10) and blade three (11), said blade one (9) being coaxially arranged above said anchor agitator blade (7), said blade one (9) being a downward-rotating blade, said blade two (10) and said blade three (11) being coaxially arranged below said blade one (9), said blade two (10) and said blade three (11) being upward-rotating.

3. A pool agitator for papermaking according to claim 2, characterised in that the second blade (10) and the third blade (11) are arranged between the cross-bars of the anchor paddles (7).

4. A papermaking vat agitator according to claim 2, characterised in that said agitator blades (8) are not in the same vertical plane as the anchor paddles (7).

5. A pool agitator for papermaking according to claim 4, characterised in that the first blade (9), the second blade (10) and the third blade (11) do not lie in the same plane in the vertical direction.

6. A pool agitator for papermaking according to claim 1, characterised in that the anchor-type agitating blade (7) is fixedly provided with scraper blocks (12) along the outer edges, the scraper blocks (12) abutting against the inner wall of the casing (1).

7. A pool agitator for papermaking according to claim 6, characterised in that the edge of the squeegee block (12) is a slanted edge (13), the slanted surface of the slanted edge (13) being in contact with the inner wall of the housing (1), and the narrow edge (14) of the slanted edge (13) abutting against the inner wall of the housing (1).

8. The stirring device of the pulp pool for papermaking according to claim 6, wherein the anchor type stirring paddle (7) is provided with opposite connecting plates (15), the connecting plates (15) are provided with connecting holes (16), one side of the scraper block (12) is provided with through holes (17), the connecting rod (18) penetrates through the through holes (17) and the connecting holes (16) to fix the scraper block (12) on the anchor type stirring paddle (7), the connecting rod (18) is sleeved with a torsion spring, one end of the torsion spring is fixed with the anchor type stirring paddle (7), and the other end of the torsion spring is fixed with the scraper block (12).

9. A pool agitator for papermaking according to claim 6, characterized in that the anchor type agitating blade (7) is provided with opposite connecting plates (15), the connecting plates (15) are provided with connecting holes (16), one side of the scraper block (12) is provided with through holes (17), and the bolt is fastened through the through holes (17) and the connecting holes (16) by means of locking nuts.

10. A vat agitator for paper making according to claim 1, characterized in that said housing (1) is also provided with a viewing window (19) at the top.