CN2075218U - Full-floated single-disc pulp mill - Google Patents
Full-floated single-disc pulp mill Download PDFInfo
- Publication number
- CN2075218U CN2075218U CN 90210818 CN90210818U CN2075218U CN 2075218 U CN2075218 U CN 2075218U CN 90210818 CN90210818 CN 90210818 CN 90210818 U CN90210818 U CN 90210818U CN 2075218 U CN2075218 U CN 2075218U
- Authority
- CN
- China
- Prior art keywords
- mill
- spherical
- pulp
- revolution
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model relates to a full-floated single-disc pulping machine which is used for the continuous pulp grinding and beating in the pulping and the paper-making industries. The utility model is characterized in that a floated mechanism whose sphere centre is on a spindle line, and a rotary grinding disc can freely float under the action of the pulp; accordingly, the surface of the grinding disc can independently stabilize in the parallel state all the time in the rotation process. Accordingly, the long-term technical problems that as the surfaces of the grinding discs are unparallel, an existing disc grinding machine has unstable beating quality, high power consumption, short service life of the grinding discs, large maintenance load, etc.; the technical problems need emergently solving.
Description
The utility model belongs to the pulp and paper industry machinery technical field, is a kind of continuous defibrination, the beating equipment that is used for the pulping and paper-making flow process.Defibrination is the important procedure in the pulping process flow, and making beating is the important procedure in the papermaking process flow.Defibrination, making beating are suitable for the requirement of papermaking for string, become the physical property of paper and quality index thereof to play an important role and influence.The single disc refiner pulp grinder is that pulp and paper industry uses very general a kind of continuous defibrination, beating equipment.It can be used for grinding of wood chip or careless class etc., and the discongesting of paper pulp is to making beating, finishing fiber and the Waste Paper Handling etc. of all kinds of vegetable-fibre slurries.Its operation principle is the high speed rotation that relies on Moving plate, produce huge centrifugal force, constantly the slurry of fierce turbulence in teeth groove is thrown to the defibrination face and form serous coat, the fiber comprehensive function of multiple power such as power, frictional force, impulsive force, torsion, shearing force, stress and waterpower that is squeezed in this process, thereby be cut off, brisement, branch silk, brooming, bending, distortion, curl and conquassation, thereby make fiber on form and all played very big variation in nature.
The known comparable technology that taps into most with the utility model that can retrieve at present has RL50S type disc mill, φ 330 disc mills.
φ 330 disc mills are the single disc refiner pulp grinder.This single disc refiner pulp grinder is at the indoor mill that two tooth of synchronous belt are housed of casing mill, and one of them is contained on the shell end cover inner face, is called fixedly mill, its fixed-site; One is contained in rotating disk and fixedly on the corresponding side of mill, is called the revolution mill, can do gyration together in company with main shaft, can axially move with main shaft again.Fixedly mill has been formed a defibrination district with the revolution mill.Paper pulp enters the defibrination district by the pulp-inlet pipe that is assembled in shell end cover middle part, and the paper pulp after making beating grinds grout outlet output on the outdoor circumference by being contained in casing.
Above-mentioned single disc refiner pulp grinder is fixed with casing and main motor on support.Rolling bearing is assembled in the casing.Main shaft supporting is in rolling bearing, and the one end is connected with main motor by shaft coupling, and the other end grinds indoor revolution mill with casing fixedlys connected.Feed change also is housed in the casing is connected, can handle main shaft and drive revolution mill move left and right to finish the function of advance and retreat cutter with the main shaft middle part.
The data that just can retrieve at present as can be known, the basic structure of all kinds of known single disc refiner pulp grinders, mill, defibrination, the making beating principle of defibrination, making beating usefulness, spindle mode etc. all is identical, its difference mainly is on main shaft supporting mode and the feed process.
Facts have proved, the single disc refiner pulp grinder has that production capacity is big, efficient is high, simple in structure, floor space is little, defibrination, making beating and advantage such as easy and simple to handle continuously, this is the reason that it is widely used in pulp and paper industry.But its fatal shortcoming is, its structure itself has determined to exist parallelism error between the card in defibrination district.Known single disc refiner pulp grinder, its Moving plate has only 2 frees degree (revolution and translation), can't compensate the allowable error that in machine components manufacturing and installation process, rationally exists, therefore exist the unparalleled phenomenon that causes by error inevitably between the mill card after the assembling.Unparalleled phenomenon between this card can more and more strengthen again inevitably along with the wearing and tearing of part with the generation of being out of shape naturally etc.Since not parallel between the card that is relatively rotating, the performance that makes fibre cutting, divides defibrinations such as silk, swollen, brooming, bending, conquassation, making beating therefore just reduced.Behind the machine, lean on the friction between the mill card just can reach limited opposing parallel on the new mill.Wear process between this card will cause the service life of mill short, changes frequently, increases maintenance load, increases power consumption, and refining pulp quality produces fluctuation, thereby influences the problems such as production of whole pulp and paper production.This is the long-term anxious technical problem to be solved of known single disc refiner pulp grinder.
The purpose of this utility model provides a kind of full floating single millstone pulp grinder overcoming the shortcoming of prior art, thereby reaches the minimizing abrasive disk abrasion, reduces power consumption, reduces maintenance load, improves defibrination, refining pulp quality, the production of stablizing pulp and paper production.
Make and in operation process, reach desirable parastate between the mill card, two kinds of technical measures are arranged: first kind of measure is the structure that keeps known single disc refiner pulp grinder, improve the machining accuracy and the assembly precision of relevant parts, make its error near or equal zero, this obviously is difficult, also can be described as to accomplish.Second kind of measure be to parts processing, install and still adopt rational required precision, and the structure of known single disc refiner pulp grinder is rationally improved.Structure after the improvement, can make between the mill card of single disc refiner pulp grinder in operation process, stably to remain under the state that is parallel to each other voluntarily all the time, and be not subjected to the influence of the allowable error that parts are produced in manufacturing, installation and wearing and tearing, deforming process.
Below in conjunction with description of drawings technical solution of the present utility model.
Fig. 1: full floating single millstone pulp grinder complete machine schematic diagram.
Fig. 2: full floating single millstone pulp grinder mill chamber generalized section.
Among the figure: 1-support, 2-main motor, 3-shaft coupling, 4-rolling bearing pedestal, the 5-main shaft, 6-grout outlet, 7-casing, the 8-pulp-inlet pipe, 9-advance and retreat cutter handwheel, 10-delivering gear, 11-seals lock tube, and 12-adjusts stripped nut, and 13-compresses round nut, the 14-self-aligning spherical support, 15-rotating disk, 16-spherical gear, 17-Flexible Reset circle, 18-mill, the water seal of 19-adjustable pressure, water-cooling system.
The technical solution of the utility model full floating single millstone pulp grinder is described in conjunction with Fig. 1, Fig. 2:
On support 1, fixing main motor 2, rolling bearing pedestal 4, casing 7 and delivering gear 10.Main shaft 5 is supported in two groups of rolling bearing pedestals 4, and the one end is connected with main motor 2 by shaft coupling 3, and its middle part is connected with delivering gear 10, and opposite side is fixedlyed connected with the revolution mill in casing 7.Two mills 18 are assembled in respectively on the corresponding side surface of the inner face of shell end cover and rotating disk 15, have formed the mill chamber in a defibrination district.At the middle part of shell end cover pulp-inlet pipe 8 is housed.Grout outlet 6 is housed on the casing excircle.Its technical characterictic is: the revolution mill when rotating, can be done universal floating for the revolution mill that floats again.
Above-mentioned unsteady revolution mill, by the mechanism of one group of transferring power, two groups of location, spacing, retention mechanism and unsteady flexible restoring organ are formed.
The mechanism of above-mentioned one group of transferring power is made up of spherical gear 16 and rotating disk 15.The outer rim of spherical gear 16 is that pitch circle is spherical ectosphere tooth, and the supporting spherical of ball tooth both sides is and the sphere of spherical pitch circle with the centre of sphere that its endoporus is the secure fit that are connected with key with the axle head of main shaft 5.Its mating surface can be the face of cylinder, also can be taper seat; Its key can be a flat key, also can be wedge key.The interior straight-tooth of endoporus middle part for being meshed of rotating disk 20 with the ectosphere tooth of spherical gear 16, interior straight-tooth both sides are cylindrical hole, the two cylindrical holes outside is an internal thread.
Above-mentioned two groups of location, spacing, retention mechanism, in the endoporus that is assembled in rotating disk 15, be positioned at spherical gear 16 both sides self-aligning spherical support 14, sealing lock tube 11, compress round nut 13, adjust stripped nut 12 each two composition.Self-aligning spherical support 14 has and the supporting spherical of spherical gear 16 Internal Spherical Surface with sphere diameter, and two spheres are matched in clearance; The cylindrical hole of its external cylindrical surface and rotating disk 15 is an interference fits; Its outer face is an outer cone, and the angle of outer cone must be greater than the self-locking angle.The inner conical surface of sealing lock tube 11 cooperates with the outer cone of self-aligning spherical support 14; External cylindrical surface cooperates with the cylindrical hole of rotating disk 15, can select interference fits for use, also can select matched in clearance for use; Its end has external screw thread.Compress the big outer face of the inner face of round nut 13, the screw-internal thread fit of its external screw thread and rotating disk 15 near sealing lock tube 11.The internal thread of adjusting stripped nut 12 cooperates with the end external screw thread of sealing lock tube 11, can open plural groove on its excircle, also can bore plural hole on end face.
Above-mentioned unsteady flexible restoring organ is made up of two Flexible Reset circles 17.Flexible Reset circle 17 has axial elastic force, is assembled in respectively in two spaces that the inner face of the outer face of supporting spherical of spherical gear 16 and two sealing lock tubes 11 forms.The nominal dimension of its cylindrical is identical with the nominal dimension of self-aligning spherical support 14 endoporus; The nominal dimension of its endoporus is greater than the nominal dimension of main shaft 5 axle heads.It can be made by all kinds of spring materials, also can be made by elastomeric material.
The mechanism of the transferring power of above-mentioned unsteady revolution mill, the interior straight-tooth number of teeth of the ectosphere tooth of its intermeshing spherical gear 16 and rotating disk 15 is identical.
The same centre of sphere of Internal Spherical Surface that the supporting spherical of the spherical gear 16 of above-mentioned unsteady revolution mill and self-aligning spherical support 14 are had, and be on the main-shaft axis.
Above-mentioned unsteady revolution mill, assembly has seal on the external cylindrical surface of sealing lock tube 11 and in the endoporus.Its material can be a rubber, can be polytetrafluoroethylene (PTFE), also can be other encapsulant.In order to guarantee to float the revolution mill all have between the rubbing surface of part of relative motion, remain among the good lubricating status.
By above description as can be known: when starting main motor, rotate by the shaft coupling driving main shaft, main shaft drives the revolution mill that floats and rotates, because the external tooth of spherical gear is a sphere, with the interior straight-tooth in the rotating disk endoporus is that point contacts, so under motion state, rotating disk can be that universal floating carried out at the center with the centre of sphere of spherical gear.When the revolution mill that floats was in rotation status, the positioning accuracy of its universal unsteady centre of sphere was guaranteed by self-aligning spherical support; The position-limiting action to floating range has been played in gap between the ectosphere tooth increment face of spherical gear and the corresponding end face of self-aligning spherical support; Turn compresses round nut, promotes self-aligning spherical support by the sealing lock tube, can adjust the quality of fit of the motion of floating; Stripped nut is adjusted in turn, makes it and compress locking mutually between the round nut, location, spacing, retention mechanism can be fixed.When the revolution mill that floats floats,, make the Flexible Reset circle be subjected to axial compressive force owing to produce relative displacement between the outer face of the supporting spherical of the inner face of sealing lock tube and spherical gear.After the external force of produce floating is disappeared, the Flexible Reset circle can make the revolution mill that floats reset by himself elastic force.When paper pulp is pumped into the mill district by pulp-inlet pipe after, according to Boyle law, hydraulic pressure in the mill district equates, the revolution mill has free universal unsteady function because float, so under the slurries effect that pressure equates, form between two cards in mill district, in the time of in working order, will stably remain under the state that is parallel to each other.When defibrination or making beating mechanical friction can not take place between the card mutually.Motor-driven or manual operation delivering gear, direct driving main shaft move left and right, main shaft directly drives the revolution mill move left and right of floating, thereby realizes the function of advance and retreat cutter.
Full floating single millstone pulp grinder described in the utility model before starting main motor, at first starts stock pump paper pulp is pumped into disc mill, starts main motor then, drives the revolution mill running of floating and promptly enters duty.Delivering gear is in order to the control specific beating pressure.During shutdown, should stop main motor again by first withdrawing, stop at last for slurry.
Full floating single millstone pulp grinder described in the utility model has the following advantages compared to the prior art:
1, owing to do not have friction down in working order between the mill, reduces the unhelpful wearing and tearing of mill, thereby prolonged the service life of mill, reduced maintenance man-hours, increased the activity duration, saved electric power, reduced cost, improved operating efficiency.
2, because be parallel to each other down in working order between the card, so be easy to adjust exactly, grasp the gap between the mill card, and the uneven phenomenon that produces because of the phase mutual friction can not appear in the mill card, therefore is easy to control primary factor--the specific beating pressure of decision slurries character.And improved the ability that makes fibre swelling, aquation, conquassation, branch silk, brooming, cut-out, bending etc., thereby guaranteed the good of defibrination, refining pulp quality.
3, because behind machine on the new mill and mill be consistent basically because of defibrination, beatability after producing loss with the slurries friction, therefore overcome because of refining pulp quality and produced the major defect that fluctuation directly influences whole pulp and paper production production.Also overcome behind machine on the new mill shortcoming that power consumption will increase.
Fig. 1, Fig. 2 are most preferred embodiment of the present utility model:
On support, be fixed with main motor, rolling bearing pedestal, delivering gear and casing.Main shaft supporting is in two groups of rolling bearing pedestals, and the one end is connected with main motor by gear coupling, and the middle part is connected with delivering gear, and the unsteady revolution mill in the other end and the casing is connected.Pulp-inlet pipe is assembled in the shell end cover middle part, and grout outlet is assembled in the top of casing mill chamber.At the fore side of complete machine, be assembled with adjustable pressure water seal, water-cooling system 19.
In casing, the spherical gear of the revolution mill that floats is that cone, wedge key are connected with main-axis end.Two mills are individually fixed on the corresponding side surface of the inner face of shell end cover and rotating disk, thereby have formed the mill chamber in a defibrination district.
The revolution mill floats: by the mechanism of transferring power--spherical gear, rotating disk; Two groups of location, spacing, retention mechanism--self-aligning spherical support, seal lock tube, compress round nut, adjust stripped nut; Flexible restoring organ--Flexible Reset circle floats; Seal--O shape circle, end cover, sealing telescopic; And several parts such as mill that are fixed on the rotating disk are formed.
Fixedly be filled with the oil immersion asbestos packing in the casing neck stuffing box, and compressing with packing flange.Seal cage is equipped with at middle part between the oil immersion asbestos packing.The position that stuffing box is corresponding with seal cage has two holes up and down, is communicated with adjustable pressure water seal, water-cooling system.Have dumping pit in casing mill lower end, chamber, and be rotary with hexagonal spiro plug.
Before the start of full floating single millstone pulp grinder, start stock pump earlier paper pulp is pumped into the mill chamber, restart main motor and drive main axis rotation by gear coupling, main shaft drives the revolution mill rotation of floating, and promptly enters duty.After entering duty, handle delivering gear, the move left and right by main shaft drives the revolution mill feed of floating, and begins to enter making beating work.
Because the indoor slurries pressure of mill equates that the revolution mill that floats has universal unsteady function again, therefore in working order down, the card of two mills will stably remain under the parastate voluntarily.
The motor of delivering gear is custom-designed YD8/2 variable speed electric motors, particularly, the purpose of feed at a slow speed in the time of can reaching motor-driven by gearbox, rapid return.Fast four times of withdrawing speed than feed velocity.The operation advance and retreat cutter handwheel 9 cutter work of can manually advancing and retreat.
Adjustable pressure water seal, water-cooling system are cooled off the oil immersion asbestos packing with the circulation clear water, and can adjust the hydraulic pressure of cooling clear water.Grasp the degree that compresses of oil immersion asbestos packing during start according to the situation of dripping, after the start system's hydraulic pressure is adjusted to greater than the indoor slurries pressure of mill, leak to prevent slurries.
Claims (5)
1, a kind of full floating single millstone pulp grinder that is used for pulp and paper industry defibrination, making beating usefulness has:
(1) on support 1, fixing main motor 2, rolling bearing pedestal 4, casing 7 and delivering gear 10,
(2) main shaft 5 is supported in two groups of rolling bearing pedestals 4, and the one end is connected with main motor 2 by shaft coupling 3, and its middle part is connected with delivering gear 10,
(3) in casing 7, be assembled with fixedly connected with main shaft 5 other ends and by the revolution mill of main shaft 5 driven rotary,
(4) two mills 18 are assembled in respectively on the corresponding side surface of the inner face of shell end cover and the rotating disk 15 that turns round mill, are grinding the indoor defibrination district that formed,
(5) at the shell end cover middle part pulp-inlet pipe 8 is housed, grout outlet 6 is housed on the casing excircle,
Technical characterictic of the present utility model is:
(3.1) its revolution mill is the revolution mill that floats, and has:
(3.1.1) by fixedlying connected, and have the spherical gear 16 that pitch circle is spherical ectosphere tooth and the rotating disk 15 that its endoporus middle part is interior straight-tooth is meshed, formed the mechanism of the transferring power of unsteady revolution mill with main shaft 5,
(3.1.2) by in the endoporus that is assembled in rotating disk 15, be positioned at spherical gear 16 both sides self-aligning spherical support 14, sealing lock tube 11, compress round nut 13, adjust stripped nut 12 each two, formed the location of unsteady revolution mill, spacing, retention mechanism,
(3.1.3) by two Flexible Reset circles 17 in two spaces that form respectively of inner face of supporting spherical outer face that is assembled in spherical gear 16 and sealing lock tube 11, formed the unsteady flexible restoring organ of unsteady revolution mill.
2, full floating single millstone pulp grinder according to claim 1, its technical characterictic is:
(3111) the float mechanism of transferring power of revolution mill, the ectosphere tooth of its spherical gear 16 and with the interior straight-tooth of the rotating disk 15 of its engagement, their number of teeth is identical.
3, full floating single millstone pulp grinder according to claim 1 and 2, its technical characterictic is:
(3112) the float mechanism of transferring power of revolution mill, the Internal Spherical Surface of the self-aligning spherical support 14 of the location of the supporting spherical of its spherical gear 16 and (312) described unsteady revolution mill, spacing, retention mechanism is with centre of sphere sphere, and is on the main-shaft axis.
4, full floating single millstone pulp grinder according to claim 1 and 2, its technical characterictic is:
(3121) float location, spacing, the retention mechanism of revolution mill, on the external cylindrical surface of its sealing lock tube 11 and in the endoporus all assembly seal is arranged.
5, full floating single millstone pulp grinder according to claim 3, its technical characterictic is:
(3121) float location, spacing, the retention mechanism of revolution mill, on the external cylindrical surface of its sealing lock tube 11 and in the endoporus all assembly seal is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90210818 CN2075218U (en) | 1990-04-06 | 1990-04-06 | Full-floated single-disc pulp mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90210818 CN2075218U (en) | 1990-04-06 | 1990-04-06 | Full-floated single-disc pulp mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2075218U true CN2075218U (en) | 1991-04-17 |
Family
ID=4890685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90210818 Pending CN2075218U (en) | 1990-04-06 | 1990-04-06 | Full-floated single-disc pulp mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2075218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463574B (en) * | 2008-12-10 | 2011-03-30 | 杭州振兴工业泵制造有限公司 | Double-cutting feed disc pulping machine |
-
1990
- 1990-04-06 CN CN 90210818 patent/CN2075218U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463574B (en) * | 2008-12-10 | 2011-03-30 | 杭州振兴工业泵制造有限公司 | Double-cutting feed disc pulping machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1157160B1 (en) | Tangential discharge disk refiner | |
| CN201261849Y (en) | High-concentration tricone double-current type paste mill | |
| US5685215A (en) | Hydraulic piston engine driven by a lubricant-free, water-based fluid | |
| CN209379108U (en) | A kind of stable sand mill of efficient performance | |
| JPH06501524A (en) | Bearing device in refiner | |
| CN2075218U (en) | Full-floated single-disc pulp mill | |
| CN1017079B (en) | Full floating single millstone | |
| CN1017078B (en) | Full-floating double millstone | |
| CN2072989U (en) | Fully floating double nether millstone pulp grinder | |
| CN2191319Y (en) | Cap pressed type packing unit | |
| CN2659633Y (en) | Grinder grinding carriage with axially reciprocating shaking function | |
| CN216919832U (en) | High-concentration pulping machine | |
| CN2898092Y (en) | Disk heat disperser | |
| CN216919830U (en) | Grinding head for grinding pulp | |
| CN202638505U (en) | Basket-type grinding machine | |
| CN102728859A (en) | Axial locking mechanism of machine tool spindle | |
| CN2708047Y (en) | Cone shaped spiral sealing device | |
| US3552664A (en) | Disc-type | |
| CN114352724A (en) | Sealing device for main shaft of disc mill of slurry production equipment | |
| CN2135591Y (en) | High-effect grass pulp machine | |
| CN2837356Y (en) | Concentration apparatus for paste mill | |
| CN202430570U (en) | Medium-concentration hydraulic double-disc refiner | |
| CN114457608B (en) | High-concentration pulping machine | |
| CN2296798Y (en) | Regulating mechanism for axial displacement of rotary spindle of lapping machine | |
| CN2238085Y (en) | Colloid mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication |