Have automatic desanding function and also can regulate the pollen pini air flow crushing device of sporoderm-broken rate
(1), technical field the utility model relates to a kind of pollen pini air flow crushing device, particularly a kind of pollen pini air flow crushing device that has automatic desanding function and can improve sporoderm-broken rate.
(2), background technology pollen is the male sex-cell of flowering plant, by its firm mantle that has been material construction such as sporopollenin, cellulose, pectin and protein.Its acidproof, alkaline-resisting, withstand voltage and heatproof, and also very stable to the digestive ferment of human body, be difficult for digesting and assimilating for human body, need carry out special broken wall treatment, nutritional labeling just can be easier to be absorbed by the body like this.Pollen is divided into anemophilous pollen and entomophila pollen two classes again, and anemophilous pollen refers to the pollen by the wind-force propagation, and general pollen grain is little, light weight, and amount is many.Pollen pini is one of representation type of anemophilous pollen.
Existing wall-breaking method is more, such as breaking wall by fermentation method, machinery broken wall law, supersonic wave wall breaking and freezing broken wall method.In carrying out the practice that pollen pulverizes, the applicant thinks that by practice the air-flow in the mechanical breaking-wall method pulverizes the requirement that is more suitable for the anemophilous pollen broken wall.But existing airslide disintegrating mill partly is more suitable for the classification that density is big and viscosity is hanged down material because of its classifying equipoment, so also bad to the shell-broken effect of the lower pollen pini of density.Conclude and get up mainly to exist following problem.
The first, a pulverize and break cellular wall rate is lower, only is about 70%.
The second, do not have automatic desanding function.
Three, production efficiency is on the low side.
(3) utility model content technical problem to be solved in the utility model is, by a kind of pollen pini air flow crushing device that has automatic desanding function and can regulate sporoderm-broken rate is provided, solve pollen pini and remove the difficult and low problem of sporoderm-broken rate of sand dust, and increase substantially broken wall efficient.
The technical solution of the utility model is as follows: a kind of pollen pini air flow crushing device that has automatic desanding function and can regulate sporoderm-broken rate, comprise and have the air-flow crush tower of pulverizing nozzle, the air-flow crush tower is connected with I level gas powder knockout tower by first tube connector, I level gas powder knockout tower is connected with II level gas powder knockout tower by second tube connector, be provided with gas-solid separating device in the II level gas powder knockout tower, the outer end of gas-solid separating device is connected with induced duct, induced duct is connected with air-introduced machine, it is characterized in that: the upper end of air-flow crush tower is equipped with the classification rotor, the lower end is connected with by the desanding valve and deposits the sand chamber, and the desanding valve is connected with the desanding motor; The material input port of air-flow crush tower is connected with reinforced buncher by screw feeder.
Described screw feeder is connected with feed containers, and feed containers is connected with magazine by conveying pipeline, and the input of magazine is connected with vibratory sieve.
Good effect of the present utility model is: the utility model is by classification motor and the dual adjustable speed fan of air draft, and the control effectiveness of classification improves classification efficiency, thereby further improved sporoderm-broken rate, has improved desanding effect.
The utility model is more suitable for the broken wall that density is about the pollen pini of 0.34 gram/ml, although it only is 1/10th of an ore powder density, crushing effect is also very good, and one time sporoderm-broken rate can reach 100%.The utility model has also that desanding effect is better, and desanding efficiency is higher, and the pollen grading effect is better, and the charging uniformity is higher, the characteristics that broken wall production efficiency is higher.Specifically, 1), energy consumption is low, compares energy-conservation 30%-40% with the other types airslide disintegrating mill; 2), wearing and tearing are little because main pulverization is that particle collides mutually, high-velocity particles and wall seldom collide; 3), pollution-free, pollen self collision under the air-flow that purifies air drives is pulverized, and does not bring other media into, can not pollute in crushing process; 4), do not heat up, because pollen pini is to pulverize under the gas swelling state, so the pulverizing cavity temperature is controlled on the low side in the normal temperature state; 5), deposit husky space and strengthen, help compiling and removing of sand and dust, increased the function of removing sand dust; 6), increased in the production process function of desanding automatically, be provided with and deposit sand drawer, desanding motor and desanding valve, and can effectively prevent anti-cabin phenomenon; Can in the quantity-produced process, realize the desanding operation.7), by classification motor and the dual adjustable speed fan of air inducing, the control effectiveness of classification improves classification efficiency; 8), become manually-operated gate and be controlled to be frequency modulation motor control, than manually more accurate, easier control.
(4), description of drawings Fig. 1 is a structural representation of the present utility model.
(5), the specific embodiment further specifies the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, present embodiment comprises and has the air-flow crush tower 6 of pulverizing nozzle 16, air-flow crush tower 6 is connected with I level gas powder knockout tower 8 by first tube connector 7, I level gas powder knockout tower 8 is connected with II level gas powder knockout tower 10 by second tube connector 9, be provided with gas-solid separating device 12 in the II level gas powder knockout tower 10, the outer end of gas-solid separating device 12 is connected with induced duct 11, and induced duct 11 is connected with air-introduced machine.
The upper end of air-flow crush tower 6 is equipped with classification rotor 5, and the lower end is connected with by desanding valve 13 and deposits sand chamber 14, and desanding valve 13 is connected with desanding motor 15.The material input port of air-flow crush tower 6 is connected with reinforced buncher 18 by screw feeder 17.
Screw feeder 17 is connected with feed containers 4, and feed containers 4 is connected with magazine 2 by conveying pipeline 3, and the input of magazine 2 is connected with vibratory sieve 1.
Pollen pini as raw material at first sieves through the primary filter of vibratory sieve 1, be stored in the magazine 2, under the effect of described air-introduced machine, pollen pini enters into screw feeder 17 through conveying pipeline 3 and feed containers 4, be subjected to wind-force and screw feeder 17 double action materials to enter air-flow crush tower 6, pressure-air is pulverized nozzle 16 to air-flow crush tower 6 high velocity jet by a plurality of supersonic speed of particular arrangement, pollen pini quickens in supersonic jet, and, reach pulverizing in the repeated stock of nozzle intersection, collision.Pulverized pollen pini and entered grading room in the air-flow crush tower 6, be subjected to the dual control of classification and two adjustable speed fans of air inducing, realized classification with ascending air.Particle both had been subjected to the centrifugal force that classification rotor 5 produces in the crushing process, be subjected to the centripetal force that the air-flow viscous effect produces again, when particle is subjected to centrifugal force greater than centripetal force, it is the pulverizing chamber continuation impact comminution in the above corase particles Returning flow crush tower 16 in classification footpath, the following fine particle in classification footpath successively enters I level gas powder knockout tower 8 and II level gas powder knockout tower 10 with air-flow, the pollen of broken wall falls from the discharging opening of I level gas powder knockout tower 8 and II level gas powder knockout tower 10 bottoms, and gas is discharged by air-introduced machine.
Under 15 effects of desanding motor, the sand dust of dependence gravity fall is collected into through desanding valve 13 and deposits in the sand chamber 14 in the air-flow crush tower 6, and the desanding process needn't be shut down just and sand regularly can be removed.By the generation that desanding valve 13 can effectively prevent anti-cabin phenomenon is set.
The utility model is realized the inlet amount adjustment by regulating reinforced buncher 18, too much as charging, the current of electric of classification rotor 5 increases, the Current Transformer Secondary electric current that is installed on its motor circuit increases thereupon, its secondary current control AKE, its electric current is set electric current as super AKE, AKE will disconnect, the control electric current of the motor frequency conversion instrument of reinforced buncher 18 just stops to feed in raw material, when electric current that material requires less than AKE, screw feeder 17 begins to feed in raw material, thereby guarantees to reach rational pulverizing ratio.