CN2233930Y - Sugar beet particle quantitative feeding machine - Google Patents

Abstract

The utility model provides a beet pellet quantitative feeding machine. The baiting screw with an equal diameter and a varying pitch of the quantitative feeding machine penetrates the lower part of a stuff storage box, and the shafts of the quantitative feeding machine are respectively connected with an infinitely variable speed transmission mechanism with longitudinal and transverse motion. Under the driving of a main moveable chain and a feeding motion chain of the transmission mechanism, the baiting screw makes transmitting rotary motion and reciprocating rectilinear motion. The pressed pulp in the stuff storage box is uniformly discharged, and simultaneously, the level of the stuff in the whole stuff storage box is in rate descent, so the purpose of feeding equipoise can be realized. The utility model has the advantages that the equipoise for the producing of beet pellets can be effectively ensured, the quality of products and the production capacity can be improved, the production cost can be reduced, the service life of a combustion furnace can be prolonged, and the key machine can be protected.

Description

The beet pellet constant feeder

The utility model relates to a kind of beet sugar industry specific equipment, particularly a kind of beet pellet production smoothing feeding device.

Beet pellet is will extract beet pulp after the sugar part through squeezing, again with the elevated temperature heat flue gas of coal-fired generation with water content be about 78% the pressure dregs of rice to be baked to water content be 10～13.6% the dried dregs of rice, granulation forms then.In beet pellet was produced, the quality and the output of product depended on balanced production.At present, handle the above sugar refinery of beet kiloton China's day nearly various schools of thinkers is arranged, the production of most particle dregs of rice is not because of there being special entrance pressure dregs of rice amount balancing equipment, and exist following practical problems: because of entrance pressure dregs of rice amount is many, the dried dregs of rice moisture content of work in-process exceeds standard and causes finished particle dregs of rice moisture content to exceed standard; Because of entrance pressure dregs of rice amount is few, the dried dregs of rice of work in-process are over-drying, and gently then work in-process are burnt sticks with paste the defective energy dissipation that causes, and are heavy then cause drying machine (value is about 1,000,000 yuan) to catch fire and accident that quilt is burnt out; Simultaneously, what change the frequent roasting kiln load of adjusting because of entrance pressure dregs of rice amount, and are very harmful to roasting kiln (value is about 1,800,000 yuan), and furnace campaign is greatly reduced.Owing to there is above problem, manufacturer generally takes following means and measure for balanced production: 1. a limit material plate is installed on the discharge scraper-trough conveyer of drying machine feeding serew transfer roller, is regulated charging capacity with artificial pull plate.This mode limits the material plate when satisfying production requirement in entrance pressure dregs of rice amount for a long time, and the unnecessary pressure dregs of rice will efflux, and cause the significant wastage of raw material; When few or discontinuity stopped expecting in entrance pressure dregs of rice amount, limit material plate had just lost proportionality action.2. a big specification reciprocating spiral transfer roller is installed before drying machine, is pressed the dregs of rice to enter the reciprocating spiral transfer roller from feeding mouth, enter drying machine from the discharging scraper-trough conveyer of being with plate, the plate of discharging scraper-trough conveyer has the special messenger to regulate, with the harmony that guarantees to produce.When supplied materials increased, the unnecessary pressure dregs of rice can be reciprocal in the transfer roller internal recycling by turnover panel; When supplied materials reduced or interrupt, the pressure dregs of rice of reciprocation cycle will enter drying machine and keep the production several minutes.The effect of this equipment balanced production is not obvious, stores and presses dregs of rice amount seldom, and not enough or when interrupting suddenly, the time of keeping production is too short, can't protect key equipment when supplied materials, in addition, the fault of itself is also more, is eliminated gradually.3. also having some producers is production managements by continuous workshop before strengthening, makes Closed Circulation in Sugar Production reach the equilibrium that equilibrium realizes that the particle dregs of rice are produced, and this method is subjected to the restriction of human factor, apparatus factor, and management difficulty is big.

At problem that exists in the above actual production and the deficiencies in the prior art; the purpose of this utility model is to provide a kind of harmony that can ensure effectively that beet pellet is produced, and then improves product quality and yield, reduces production costs, prolongs the beet pellet constant feeder of roasting kiln work-ing life, protection key equipment.

For achieving the above object, the technical scheme that the utility model is taked is: the equal diameter of this beet pellet constant feeder becomes spiral blanking coil and crosses the material-storing box below, its axle is connected with two motion infinitely variable speed gearings in length and breadth respectively, the blanking spiral is under the drive of transmission rig, do rotation translatory movement and straight reciprocating motion, make the also constant speed decline thereupon of the material level that the pressure dregs of rice are evenly discharged, whole hopper is interior in the material-storing box, realize the purpose of balanced feed.

Two in length and breadth motion infinitely variable speed gearings are divided into main motion chain and feeding movement chain two portions, wherein the main motion chain is by stepless variable-speed motor power to be passed to by movable sprocket through chain by drive sprocket, be fixed on the axle of equal diameter varying pitch blanking spiral by movable sprocket and blocking material plate, the two supports of axle is on two dish rolling bearings, and the blanking spiral is in the purpose of being pass on Quantitative dosing by the drive backspin of movable sprocket like this; The feeding movement chain is by another stepless change engine power to be passed to two walking dollies through link chain mechanism, the two axial ends of the equal diameter varying pitch blanking spiral on the main motion chain is fixed on the dolly by rolling bearing respectively, electric motor mounting in the main motion chain is on frame, wheel is equipped with on the top of frame, can be in the middle rolling of getting on the right track of material-storing box one side, the bottom of frame connects with dolly, dolly is under the effect of two travel switches, do reciprocating linear motion in lower railway, frame also moves with dolly.Like this, material level constant speed decline thereupon in the hopper is evenly discharged and made to equal diameter varying pitch blanking spiral just under the drive of stepless change main motion chain and feeding movement chain, with the pressure dregs of rice in the material-storing box, carries out balanced feed.

By the beet pellet constant feeder that such scheme manufactures and designs, transmission rig goes slick, starts rapidly, and static components such as hopper, frame, track are reliable and stable, maintenance is convenient; Hopper " buffering " effect does not obviously have the dregs of rice of pressure raw material substantially and effluxes phenomenon, stifled waste of having cut off raw material; Guaranteed that effectively the pressure dregs of rice quantitatively balancedly supply with drying machine, made it abundant at the drying machine inner drying, guaranteed quality product, 86% before making product percent of pass by no constant feeder rises to 98%, improved product production greatly; Simultaneously, reduced, protected key equipment, prolonged work-ing life of equipment because of voltage supply dregs of rice instability causes the frequent infringement of adjusting stove of roasting kiln load, the roasting kiln load steadily, temperature hold weighing apparatus, coal-fired abundant, saved the energy.

Fig. 1 is the front view of beet pellet constant feeder;

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is the vertical view of beet pellet constant feeder;

Fig. 4 is an equal diameter varying pitch blanking spiral operational diagram;

Fig. 5 is that the position of material-storing box and blanking spiral concerns synoptic diagram.

Below in conjunction with embodiment and accompanying drawing thereof the utility model is described in further detail:

In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 as can be seen, the equal diameter varying pitch blanking spiral 19 of this beet pellet constant feeder passes the below of material-storing box 12, its axle and two in length and breadth motion infinitely variable speed gearings link, two in length and breadth motion infinitely variable speed gearings are divided into main motion chain and feeding movement chain, blanking spiral 19 is under the drive of transmission rig, make rotation translatory movement and linear reciprocating motion, to press the dregs of rice from material-storing box 12, evenly to be expelled to rubber conveyer 22, be sent to drying machine, the material level of material-storing box 12 constant speed thereupon descends, and realizes the purpose of balanced feed.

Among Fig. 1, Fig. 2, the main motion chain of this constant feeder is by stepless variable-speed motor 14 power to be passed to by movable sprocket 17 through chain 16 by drive sprocket 15, be fixedly mounted on the axle 21 of equal diameter varying pitch blanking spiral 19 by movable sprocket 17 and backgauge dish 18, the two supports of axle 21 is on rolling bearing 20, under by the drive of movable sprocket 17, rotate through varying pitch blanking spiral 19 Deng directly, reach the purpose of Quantitative dosing.

Among Fig. 1, Fig. 3, the feeding movement chain is passed to power by movable sprocket 4 through drive sprocket 2, chain 3 by stepless variable-speed motor 1, be fixedly mounted on the axle 5 by movable sprocket 4 and two sprocket wheels 6, the two ends of axle 5 are fixed on two lower railway 24 in front and back of material-storing box 12 by rolling bearing 9 supportings; The opposite side of material-storing box 12 has axle 5 equally, is installed with two sprocket wheels 6 on it, and by rolling bearing 9 the axle two supports is fixed on two lower railway 24 in material-storing box 12 front and back; The walking dolly 8 that is arranged in two lower railway 24 does reciprocating linear motion along lower railway 24 under the pulling of walking driving chain 7, under the effect of two travel switches 10; The two ends of the blanking spiral 19 on the main motion chain are installed on two walking dollies 8 by rolling bearing 11 respectively, electric motor 14 in the main motion chain is installed in (see figure 2) on the frame 23, the wheel on frame 23 tops can roll in 13 getting on the right track of material-storing box 12 back sides, the bottom of frame 23 and dolly 8 link, and can move with dolly is parallel.Deng straight through varying pitch blanking spiral 19 under the drive of feeding movement chain, do reciprocating linear motion, the material level constant speed in the material-storing box 12 are descended, make the residence time of pressing the dregs of rice to enter behind the material-storing box 12 identical.

Above-mentioned main motion chain and feeding movement chain are all the electrodeless variable-speed motor drives, act on simultaneously again on the equal diameter varying pitch blanking spiral 19, so can adjust the blanking amount neatly, export the purpose that half-finished temperature reaches " at random " feed according to drying machine, the blanking amount of general blanking spiral can be adjusted in 5 tons/hour to 20 tons/hour.

Fig. 4 has provided the principle of work sketch of equal diameter varying pitch blanking spiral 19.Because whole blanking screw diameter equates, all is φ 300mm, the diameter of axle is φ 168mm, and then net sectional area is: $S=\frac{(D^2-d^2)\mathrm{\&pi;}}{4}=\frac{{300}^2-{168}^2}{4}\&times;3.1416={48518.7\mathrm{<figure-callout\; id="2"\; label="mm"\; filenames="Y9521587700091.png"\; state="\{\{state\}\}">mm</figure-callout>}}^2$ It is 150150160170180190200200 that pitch is arranged as figure, and unit is mm, and wherein effectively the blanking position is: 150160170180190200 (mm).

When pitch was 150, the volume of a pitch of blanking spiral was:

V ₁₅₀＝S·L＝48518.7×150＝7277813.5(mm ³)；

When pitch was 160, the volume of a pitch of blanking spiral was:

V ₁₆₀＝S·L＝48518.7×160＝7762992(mm ³)；

When pitch differed 10mm, the difference of volume was between adjacent pitch:

V ₁₆₀－V ₁₅₀＝7762992－7277813.5＝485178.5(mm ³)；

Because effectively blanking section pitch becomes arithmetic progression, waiting difference is 10mm; And the difference of volume also is an arithmetic progression, and waiting difference is 485178.5mm ³, that is to say that the material amount that each pitch was carried does not wait when the blanking spiral turns over a circle, but with 485178.5mm ³Volume increases progressively, and the material that stores in the whole hopper is balancedly discharged.

As shown in Figure 5, there is a radian pocket flitch of material-storing box 12 bottoms and the junction of biside plate, the radius of radian equates with the exradius of blanking spiral 19, when blanking spiral 19 runs to the high order end of material-storing box 12 or low order end, this place press dregs of rice also can evenly be discharged maybe this place material level also can constant speed descend, avoid pressing the dregs of rice in the edge of the material-storing box 12 mildew and rot phenomenon of generation that overstays.

Claims (4)

1. beet pellet constant feeder is characterized in that equal diameter varying pitch blanking spiral (19) passes material-storing box (12) below, and its axle links with two motion infinitely variable speed gearings in length and breadth respectively.

2. beet pellet constant feeder according to claim 1 is characterized in that two in length and breadth motion infinitely variable speed gearings are divided into main motion chain and feeding movement chain two portions, wherein:

The main motion chain be by stepless variable-speed motor (14) with power by drive sprocket (15), pass to by movable sprocket (17) through chain (16), be fixed on the axle (21) of equal diameter varying pitch blanking spiral (19) by movable sprocket (17) and blocking material plate (18);

The feeding movement chain be by another stepless change engine (1) with power through drive sprocket (2), chain (3), by movable sprocket (4), axle (5), sprocket wheel (6), driving chain (7) passes to two walking dollies (8), the two axial ends of the equal diameter varying pitch blanking spiral (19) on the main motion chain is fixed on the dolly (8) by rolling bearing (11) respectively, electric motor in the main motion chain (14) is installed on the frame (23), wheel is equipped with on the top of frame (23), can in get on the right track (13) of material-storing box (12) one sides, roll, the bottom of frame (23) connects with dolly (8), and the travel switch (10) that control dolly (8) does reciprocating linear motion is installed on the lower railway (24).

3, beet pellet constant feeder according to claim 1 and 2 is characterized in that the bottom pocket flitch of material-storing box (12) becomes a radian with the junction of biside plate, and its radius of the radian is identical with the exradius of equal diameter varying pitch blanking spiral (19).

4, beet pellet constant feeder according to claim 1 and 2 is characterized in that the pitch at effective blanking position of equal diameter varying pitch blanking spiral (19) is 150160170180190200.

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