CN102146637A - Discharge device of live bottom bin - Google Patents
Discharge device of live bottom bin Download PDFInfo
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- CN102146637A CN102146637A CN 201110021612 CN201110021612A CN102146637A CN 102146637 A CN102146637 A CN 102146637A CN 201110021612 CN201110021612 CN 201110021612 CN 201110021612 A CN201110021612 A CN 201110021612A CN 102146637 A CN102146637 A CN 102146637A
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- spiral
- bottom bin
- live bottom
- slurry
- central siphon
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Abstract
The invention discloses a discharge device of a live bottom bin. The discharge device comprises a spiral delivery assembly arranged below the discharge hole of the live bottom bin; the spiral delivery assembly comprises a spiral groove, a driving mechanism and more than one spiral shaft positioned in the spiral groove; the spiral shaft comprises a spiral shaft tube and more than two spiral blades sequentially connected along the axial direction of the spiral shaft tube; one end of the spiral shaft tube, connected with the driving mechanism, is a front end, the other end of the spiral shaft tube is a discharge end, and the diameter of the spiral shaft tube is gradually reduced from the front end to the discharge end; and the distance between the adjacent spiral blades is continually increased. The discharge device has the advantages of simple and compact structure, low cost, stable and reliable operation, capabilities of improving the whole efficiency and the product quality and the like.
Description
Technical field
The present invention is mainly concerned with the pulping equipment field, refers in particular to a kind of drawing mechanism that is applicable to the live bottom bin in slurrying fields such as papermaking, chemistry.
Background technology
In the prior art, the structure of the end spiral of live bottom bin has two kinds of forms: a kind of is the uniform pitch structure, and another kind is the varying pitch structure.The former is a utmost point irrational mix form, slurry just has been filled full slurry when the first segment helicla flute, this at all helicla flutes of back all can not charging, this is in continuous operation in the summer of sweltering heat more than one day or in the feed bin during several days unclear ends, the slurry that (is about 45) in the oblique triangle of back in the feed bin will produce rotten slurry phenomenon, thereby influences the quality of whole pulping.In the varying pitch structure of second kind of form, the general first road pitch is about 40%～50% of the last section helical pitch, and is superior more a lot of than first kind of uniform pitch structure from principle in this kind structure, but also have the problem of several deficiencies:
First problem is, after in first helicla flute, being full of slurry, the slurry less than the first segment spiral that a lot of spirals of back are taken away altogether will exist slurry face in the feed bin to be low early and high after triangular shaped like this, and only the slurry of this triangle can upgrade lentamente.Also there is a kind of serious drawback in other second kind of structure, is exactly in the short helicla flute of preceding surface helix, is easy to cause slurry " to skid ".Because after spiral shortens, its groove depth still is the original degree of depth, slurry in the helicla flute is compared with the friction area of uniform pitch with the friction area of metal and is reduced 20% approximately, but the slurry outer surface in the helicla flute and the rubbing surface of cell body have reduced 50%, after so the front end helical pitch reduces, friction area in its spiral has increased 30% approximately than the friction area of its outer surface and cell body, the generation that this just causes the slurry in the spiral to produce " skidding " phenomenon easily, be slurry in helicla flute along with rotating shaft is rotated together, and do not move axially, at this moment spiral loses defeated material function.
Slurry in the feed bin adopts common uniform pitch and waits the end directly during the spiral helical feed, and the slurry that usually can produce an end can be exported, and the phenomenon that the slurry of the other end can not be exported.Main cause is after the front end of spiral is full of slurry, the slurry of spiral rear end can't enter in the spiral, when continuous uninterrupted is produced, can cause the slurry of spiral rear end, feed bin bottom can not transfer out feed bin for a long time, cause slurry rotten, influence pulp quality, bring economic loss to production unit.With the high-density paste mill is example, if charging is suddenly big or suddenly small, the current fluctuation that cuts in and out in the time of will causing the grinding machine operation is very big, little when big during defibrination pressure, thereby the uniformity to the defibrination quality produces a very large impact, influence pulp quality, utilization ratio of raw materials also can reduce, and also can aggravate the wearing and tearing of abrasive disc simultaneously and produce very big noise, the therefore generation that also will manage to stop above situation.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical problem that prior art exists, the invention provides a kind of simple and compact for structure, with low cost, working stability reliable, can improve the drawing mechanism of the live bottom bin of overall efficiency and product quality.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of drawing mechanism of live bottom bin, comprise the defeated material screw assembly that is arranged in live bottom bin discharging opening below, described defeated material screw assembly comprises helicla flute, driving mechanism and the helical axis more than that is positioned at helicla flute, described helical axis comprises spiral central siphon and two above helical blades that connect successively along the axial direction of spiral central siphon, an end that links to each other with driving mechanism on the described spiral central siphon is a front end, the other end is a discharge end, from front end to discharge end, the caliber of described spiral central siphon constantly diminishes, and it is big that the distance between the described adjacent helical blade constantly becomes.
As a further improvement on the present invention:
To discharge end, described spiral central siphon is identical with the external diameter maintenance after the helical blade combination from front end.
The bottom of described discharge end is provided with the broken assembly of two rollers, the described pair of broken assembly of roller comprises drive motors, active discaling roll and driven discaling roll, and the output of described drive motors links to each other with the active discaling roll by travelling gear and links to each other with driven discaling roll by the change-speed gearing group.
The upper end bore of described live bottom bin is less than the lower end bore.
Compared with prior art, the invention has the advantages that:
1, the present invention is simple and compact for structure, with low cost, working stability reliable, can improve overall efficiency and product quality, by adopt to become internal diameter, etc. external diameter and varying pitch structure, dwindled the ratio difference of sound rubbing surface, can make whole live bottom bin blanking more even, thereby can avoid slurry to push away motionless is to spin and produce " skidding " in the original place, has eliminated old slurry and dead slurry;
2, the present invention can make grinding machine advance slurry by the broken assemblies of two rollers to overcome uneven phenomenon.After two breaker rolls are set, when a bulk of slurry gets off can not be in a flash can be broken intact, must could brokenly finish a bit of time, before under a back slurry, under the effect of breaker roll, slurry can enter into grinding machine more uniformly, perhaps has a small amount of fritter slurry in this interval and falls down, can make grinding machine be tending towards evenly advancing slurry like this, thereby guarantee the stability of pulp quality;
3, live bottom bin adopts this back taper feed bin structure among the present invention, and it is smooth to guarantee that slurry descends, and prevents the appearance of slurry " bridge formation " phenomenon.
Description of drawings
Fig. 1 is the structural representation of the present invention in application example;
Fig. 2 is the main TV structure schematic diagram of feed bin among the present invention;
Fig. 3 is the side-looking structural representation of feed bin among the present invention;
Fig. 4 is the structural representation of defeated material screw assembly among the present invention;
Fig. 5 is the structural representation of the broken assembly of two rollers among the present invention.
Marginal data:
1, live bottom bin; 2, defeated material screw assembly; 21, helical axis; 211, spiral central siphon; 212, helical blade; 22, helicla flute; 23, bearing block; 24, driving pulley; 3, the broken assembly of two rollers; 31, drive motors; 32, active discaling roll; 33, driven discaling roll; 34, change-speed gearing group; 35, travelling gear.
The specific embodiment
Below with reference to Figure of description and specific embodiment the present invention is described in further details.
As shown in Figure 1 and Figure 4, the drawing mechanism of live bottom bin of the present invention, comprise the defeated material screw assembly 2 that is arranged in live bottom bin 1 discharging opening below, defeated material screw assembly 2 comprises helicla flute 22, driving mechanism and the helical axis more than one 21 that is positioned at helicla flute 22, the two ends of helical axis 21 are by bearing block 23 fixing and supports, dress taper roll bearing in the bearing block 23, helical axis 21 comprises spiral central siphon 211 and two above helical blades 212 that connect successively along the axial direction of spiral central siphon 211, an end that links to each other with driving mechanism on the spiral central siphon 211 is a front end, the other end is a discharge end, from front end to discharge end, the caliber of spiral central siphon 211 constantly diminishes, and it is big that the distance between the adjacent helical blade 212 constantly becomes.In the present embodiment, to discharge end, spiral central siphon 211 is identical with the external diameter maintenance after helical blade 212 combinations from front end.Adopt this change internal diameter, etc. external diameter and varying pitch structure, the ratio difference of having dwindled the sound rubbing surface can make whole live bottom bin 1 blanking more even, is to spin and produce " skidding " in the original place thereby can avoid slurry to push away motionless.During work, the volume of helical axis 21 and helicla flute 22 cavity that forms is by being that constantly change is big from front end to discharge end.At front end, after slurry fills up spiral, under the promotion of spiral, constantly move forward.Because what adopt is the spiral that becomes internal diameter, varying pitch, the volume of every joint spiral continues to increase, the slurry of spiral top can constantly be filled into spiral, soon bottom slurry everywhere can transfer out equably in the live bottom bin 1, can avoid simultaneously slurry to push away motionless again is original place rotation and produce " skidding ", has eliminated old slurry and dead slurry.
In the present embodiment, driving pulley 24 is installed in the end of spiral central siphon 211, is used for connecting the driving mechanism (not shown).Spiral central siphon 211 provides to promote the power that slurry moves in helicla flute 22 under the driving of driving mechanism.Slurry moves under the promotion of helical blade 212 therein.
Further, can adopt single-screw axle 21 or many helical axis 21 structures according to the output size, when same volume,, reduced, bottom slurry caking phenomenon is reduced because of the big degree of depth of slurry causes base pressure too big by live bottom bin 1 is highly reduced.
Further, in the present embodiment, as shown in Figure 5, the bottom of discharge end is provided with the broken assembly 3 of two rollers, the broken assembly 3 of two rollers comprises drive motors 31, active discaling roll 32 and driven discaling roll 33, and the output of drive motors 31 links to each other with active discaling roll 32 by travelling gear 35 and links to each other with driven discaling roll 33 with change-speed gearing group 34 by travelling gear 35.Drive motors 31 employing frequency modulation motors are used for driving initiatively discaling roll 32, rotate in opposite directions with active discaling roll 32 by driving driven discaling roll 33 after change-speed gearing group 34 speed changes simultaneously, can adjust according to how many situations of slurry the rotating speed of frequency modulation motor, satisfy and produce needs.During work, two discaling rolls relatively rotate, and a discaling roll rotating speed is very fast, and a discaling roll rotating speed is slower, and very fast discaling roll plays the bulk cargo effect, the speed of slow discaling roll control charging.The broken assembly 3 of this pair of roller can make grinding machine advance slurry to overcome uneven phenomenon.The slurry that is transported by defeated material screw assembly 2 might be extruded agglomerating (piece), can influence the quality of pulping as directly flowing to fiberizer, after increasing breaker roll, when a bulk of slurry gets off can not be in a flash can be broken intact, must could brokenly finish a bit of time, before under a back slurry, under the effect of breaker roll, slurry can enter into grinding machine more uniformly, perhaps having a small amount of fritter slurry in this interval falls down, can make grinding machine be tending towards evenly advancing slurry like this, thereby guarantee the stability of pulp quality.
Further, in the present embodiment, as shown in Figures 2 and 3, the upper end bore of live bottom bin 1 is less than the lower end bore, and live bottom bin 1 adopts this back taper feed bin structure, and it is smooth to guarantee that slurry descends, and prevents the appearance of slurry " bridge formation " phenomenon.
Below only be preferred implementation of the present invention, protection scope of the present invention also not only is confined to the foregoing description, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the principle of the invention prerequisite should be considered as protection scope of the present invention.
Claims (4)
1. the drawing mechanism of a live bottom bin, comprise the defeated material screw assembly (2) that is arranged in live bottom bin (1) discharging opening below, described defeated material screw assembly (2) comprises helicla flute (22), driving mechanism and the helical axis more than (21) that is positioned at helicla flute (22), described helical axis (21) comprises spiral central siphon (211) and two the above helical blades (212) that connect successively along the axial direction of spiral central siphon (211), it is front end that described spiral central siphon (211) is gone up an end that links to each other with driving mechanism, the other end is a discharge end, it is characterized in that: from front end to discharge end, the caliber of described spiral central siphon (211) constantly diminishes, and it is big that the distance between the adjacent described helical blade (212) constantly becomes.
2. the drawing mechanism of live bottom bin according to claim 1 is characterized in that: to discharge end, the external diameter after described spiral central siphon (211) and helical blade (212) combination keeps identical from front end.
3. the drawing mechanism of live bottom bin according to claim 1 and 2, it is characterized in that: the bottom of described discharge end is provided with the broken assembly (3) of two rollers, the described pair of broken assembly of roller (3) comprises drive motors (31), active discaling roll (32) and driven discaling roll (33), and the output of described drive motors (31) links to each other with active discaling roll (32) by travelling gear (35) and links to each other with driven discaling roll (33) with change-speed gearing group (34) by travelling gear (35).
4. the drawing mechanism of live bottom bin according to claim 1 and 2, it is characterized in that: the upper end bore of described live bottom bin (1) is less than the lower end bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110021612 CN102146637A (en) | 2011-01-19 | 2011-01-19 | Discharge device of live bottom bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110021612 CN102146637A (en) | 2011-01-19 | 2011-01-19 | Discharge device of live bottom bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102146637A true CN102146637A (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110021612 Pending CN102146637A (en) | 2011-01-19 | 2011-01-19 | Discharge device of live bottom bin |
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| CN (1) | CN102146637A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534132A (en) * | 2018-04-21 | 2018-09-14 | 云南名泽烟草机械有限公司 | A kind of burner |
| CN110584490A (en) * | 2019-09-03 | 2019-12-20 | 杭州九阳小家电有限公司 | Reliable cooking utensil of defeated material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152289A (en) * | 1995-04-28 | 1997-06-18 | 连津格股份公司 | Device for continuously conveying materials which do not flow easily |
| CN2661644Y (en) * | 2003-09-29 | 2004-12-08 | 石家庄钢铁股份有限公司 | Powdery material metering screw conveyer |
| CN101659349A (en) * | 2008-08-28 | 2010-03-03 | 钱尧翎 | Shaftless screw conveyor |
| CN201458349U (en) * | 2009-06-25 | 2010-05-12 | 付庆福 | Fiber weighing measuring and conveying equipment |
-
2011
- 2011-01-19 CN CN 201110021612 patent/CN102146637A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152289A (en) * | 1995-04-28 | 1997-06-18 | 连津格股份公司 | Device for continuously conveying materials which do not flow easily |
| CN2661644Y (en) * | 2003-09-29 | 2004-12-08 | 石家庄钢铁股份有限公司 | Powdery material metering screw conveyer |
| CN101659349A (en) * | 2008-08-28 | 2010-03-03 | 钱尧翎 | Shaftless screw conveyor |
| CN201458349U (en) * | 2009-06-25 | 2010-05-12 | 付庆福 | Fiber weighing measuring and conveying equipment |
Non-Patent Citations (1)
| Title |
|---|
| 《中国饲料》 19930420 李雪岩 变内径、变螺距螺旋喂料机设计 第26-27页 1-4 , 第8期 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534132A (en) * | 2018-04-21 | 2018-09-14 | 云南名泽烟草机械有限公司 | A kind of burner |
| CN110584490A (en) * | 2019-09-03 | 2019-12-20 | 杭州九阳小家电有限公司 | Reliable cooking utensil of defeated material |
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Application publication date: 20110810 |