CN101029458B

CN101029458B - Continuous hydraulic pulper

Info

Publication number: CN101029458B
Application number: CN2007100074664A
Authority: CN
Inventors: 李风宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-18
Filing date: 2007-01-15
Publication date: 2010-10-13
Anticipated expiration: 2027-01-15
Also published as: CN101029458A

Abstract

A continuous hydraulic pulping engine is efficient and has less consumption. Pulp sieving machine is arranged at bottom of chest inner cavity and rotor, which partitions inner cavity into pulping cavity and refining cavity, refining cavity is connected to pulp outlet, pulp sieving machine consists of several propeller vanes with rotor axis as center distributed along peripheral direction, and rotating direction of propeller vane is same with that of pulping engine rotor. It has no influence for defibering movement and it can discharge pulp and impurities continuously by outlet.

Description

Continuous hydraulic pulper

Technical field

The invention belongs to the papermaking equipment field, be specifically related to a kind of hydrabrusher.

Background technology

The effect of pulper is the unit for uniform suspension that separates waste paper fibre and be formed in the identical fibre in the water.Hydrabrusher will be by adding the equipment of the waste paper formation paper pulp in the tank.In the low concentration pulper, the percentage of contained paper can be between 1% to 6% in the water, and in the high-concentration pulper, and the amount of contained paper can about from 12% to 18% in the water.

The concrete effect of high-concentration pulper is to overflow stain and mix paper by rotor continuously, and this rotor has several blades, and they are coiled into one along rotor axis spiral longitudinally.Paper pulp passes by the passage of the spiralization of blade and transports to the bottom, then from the bottom to rising to the top so that operation downwards again, and so come and go and pass above-mentioned rotor several times.

The hydrabrusher of prior art be divided into be not with sieve plate with band two kinds of sieve plate, can not only be used for intermittently pulping with sieve plate, just paper pulp does not discharge in the pulping process, ability pulp after pulping finishes, because if pulping can cause outside the big scraps of paper device for transferring of not discongesting continuously, this pulper in starting stage of pulping because the mutual frictional impact of a large amount of scraps of paper, shredded paper efficient is higher, carrying out along with the shredded paper process, the scraps of paper are fewer and feweri, shredded paper efficient also reduces greatly, because the frequent start-stop of motor improves the energy consumption of pulping greatly.

Band sieve plate hydrabrusher also can only be used for intermittently pulping, and the certain phase of working just needs to shut down clear assorted, and this process greatly reduces production efficiency.If pulping one side pulp can cause the accumulation of impurity in pulper on one side, and causes the destruction of impurity, the increase of power consumption and the wearing and tearing of equipment.

Summary of the invention

Technical problem to be solved by this invention provides a kind of do not need to shut down, can add the continuously raw material and the continuous hydraulic pulper of pulp continuously.

For achieving the above object, technical scheme of the present invention is: continuous hydraulic pulper, comprise columnar pulper cell body, the bottom of described cell body is provided with grout outlet, be vertically installed with pulp kneader rotor in the described cell body, the drive end of described pulp kneader rotor is fixedlyed connected with the drive unit that is positioned at the cell body below, the inner chamber of described cell body, the pulp kneader rotor below is provided with the paper pulp screening plant, described paper pulp screening plant is divided into slushier chamber and good slurry chamber with the cell body inner chamber, described good slurry chamber and described grout outlet communicate, described paper pulp screening plant comprises with the rotor axis being the propeller-like blade of center line in the uniform plurality of fixed of circumferencial direction, and the rotation direction of described propeller-like blade is identical with the helical blade rotation direction of described pulp kneader rotor.

As a kind of improvement, the propeller-like blade of described plurality of fixed has overlapping portion in the projection of vertical direction.

As a kind of improvement, the inclination angle of described some propeller-like blades is less than 45 °, and the clearance distance between described some propeller-like blades is less than 100mm.

As a kind of improvement, the sidewall in described good slurry chamber is provided with dilution water and adds inlet.

As a kind of further improvement, described dilution water adds the tangential direction that inlet is arranged on good slurry chamber sidewall, and the switched in opposite of its direction and pulp kneader rotor.

Owing to adopt technique scheme, the inner chamber of described cell body, pulp kneader rotor below are provided with the paper pulp screening plant, described paper pulp screening plant is divided into slushier chamber and good slurry chamber with the cell body inner chamber, described good slurry chamber and described grout outlet communicate, described paper pulp screening plant comprises with the rotor axis being the propeller-like blade of center line in the uniform plurality of fixed of circumferencial direction, and the rotation direction of described propeller-like blade is identical with the helical blade rotation direction of described pulp kneader rotor; Waste paper is after passing passage by the spiralization of rotor blade and moving to the bottom, and the propeller-like blade that screening plant tilts has guaranteed not discongest the collision reaction of the scraps of paper, and from the bottom of cell body to rising to the top; The part paper pulp of having discongested then no longer returns, and flows out from the slit between the propeller-like blade; The present invention does not influence the motion of discongesting of the interior scraps of paper of pulper; and the impurity that can not effectively rebound after slurries and the collision can be discharged continuously by grout outlet; and the heavy seeds of collision back bounce-back can enter design discharge regularly in the heavily assorted slag-drip opening on the cell body bottom side wall in slushier chamber under action of centrifugal force; overcome the defective of no sieve plate hydrabrusher frequent shutdown pulp; also having overcome has the sieve hydrabrusher need shut down an assorted clearly difficult problem; energy consumption is lower, has improved production efficiency greatly.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the invention;

Fig. 2 is the structural representation of embodiment of the invention screening plant.

The specific embodiment

As Fig. 1, shown in Figure 2, continuous hydraulic pulper, comprise columnar pulper cell body 1, the bottom of described cell body 1 is provided with grout outlet 3, be vertically installed with pulp kneader rotor 2 in the described cell body 1, the drive end of described pulp kneader rotor 2 is fixedlyed connected with the drive unit 4 that is positioned at cell body 1 below, the inner chamber of described cell body 1, the pulp kneader rotor below is provided with paper pulp screening plant 5, described paper pulp screening plant 5 is divided into slushier chamber 1a and good slurry chamber 1b with the cell body inner chamber, described good slurry chamber 1b and described grout outlet 3 communicate, described paper pulp screening plant 5 comprises that with rotor 2 axis be the propeller-like blade of center line in the uniform plurality of fixed of circumferencial direction, the propeller-like blade of described plurality of fixed has overlapping portion in the projection of vertical direction, and the rotation direction of described propeller-like blade is identical with the helical blade rotation direction of described pulp kneader rotor 2.

Through experiment, the inclination angle of described some propeller-like blades is less than 45 °, and the clearance distance between described some propeller-like blades can both obtain satisfied effect less than 100mm.

For making things convenient for pulp, the sidewall of described good slurry chamber 1b is provided with dilution water and adds inlet 6, and described dilution water adds the tangential direction that inlet 6 is arranged on good slurry chamber 1b sidewall, and the switched in opposite of its direction and pulp kneader rotor 2.

For making big foreign material such as the discharges such as stone, iron block that can not pass through screening plant, the bottom of the slushier chamber 1a of described pulper cell body 1 is provided with heavy foreign material outlet 7, and this outlet 7 utilizes centrifugal principle, and backwardness can be collected rapidly under heavy foreign material.

Described drive unit comprises motor, by electric motor driven gearbox, the gearbox power output shaft of fixedlying connected with the drive end of pulp kneader rotor; As the known free and public technology of common engineers and technicians, power set are diversified, can certainly adopt alternate manner, and for example the bel-drivenn power set do not repeat them here.

The paper pulp screening plant 5 of present embodiment is different with common sieve plate, its separation be the paper pulp and the scraps of paper, impurity is also discharged from grout outlet with paper pulp simultaneously, guaranteed that waste paper is after passing passage by the spiralization of blade and moving to the bottom, the propeller-like blade of screening plant has guaranteed not discongest the collision reaction of the scraps of paper, and from the bottom of cell body to rising to the top; The part paper pulp of having discongested then no longer returns, and flows out from the slit between the propeller-like blade.

The present invention can add the waste paper raw material continuously, and pulp continuously, has overcome the energy waste that frequent shutdown causes, and has improved slurrying efficient greatly, has also improved usage ratio of equipment.

Present embodiment is to be that example is to explanation of the present invention rather than restriction with the high-concentration pulper; protection scope of the present invention is as the criterion with the content of claim; common engineers and technicians as this area; the present invention can be applicable to equally vertical or horizontal in low dense pulp crushing apparatus, these technology conversion that do not need can realize through performing creative labour are also within protection scope of the present invention.

Claims

1. continuous hydraulic pulper, comprise columnar pulper cell body (1), the bottom of described cell body (1) is provided with grout outlet (3), be vertically installed with pulp kneader rotor (2) in the described cell body (1), the drive end of described pulp kneader rotor (2) is fixedlyed connected with the drive unit (4) that is positioned at cell body (1) below, the inner chamber of described cell body (1), the pulp kneader rotor below is provided with paper pulp screening plant (5), described paper pulp screening plant (5) is divided into slushier chamber (1a) and good slurry chamber (1b) with the cell body inner chamber, described good slurry chamber (1b) and described grout outlet (3) communicate, it is characterized in that: described paper pulp screening plant (5) comprises that with rotor (2) axis be the propeller-like blade of center line in the uniform plurality of fixed of circumferencial direction, and the rotation direction of described propeller-like blade is identical with the helical blade rotation direction of described pulp kneader rotor (2); The inclination angle of described some propeller-like blades is less than 45 °, and the vertical distance in slit between described some propeller-like blades is less than 100mm; The bottom of the slushier chamber (1a) of described pulper cell body (1) is provided with heavy foreign material outlets (7).

2. as claim 1 described continuous hydraulic pulper, it is characterized in that: the propeller-like blade of described plurality of fixed has overlapping portion in the projection of vertical direction.

3. as claim 1 described continuous hydraulic pulper, it is characterized in that: the sidewall in described good slurry chamber (1b) is provided with dilution water and adds inlet (6)

4. as claim 3 described continuous hydraulic pulpers, it is characterized in that: described dilution water adds the tangential direction that inlet (6) is arranged on good slurry chamber (1b) sidewall, and the switched in opposite of its direction and pulp kneader rotor (2).