CN207919233U - A kind of pressurized screen assisting pressure-adjusting type based on air bag - Google Patents

Abstract

The utility model provides a kind of pressurized screen assisting pressure-adjusting type based on air bag, it include mainly power drive unit, the good pulp screen storage device being made of barrel and screen cylinder, the high voltage supply device being made of air compressor, high-voltage tube A and high-voltage tube B, the internal plenum being made of air bag A, pressing plate A and spring A, screen device is pressed in the external pressurization device being made of air bag B, pressing plate B and spring B, and the rotation being made of connecting rod, sieve rotor and rotor.Its main feature is that variable volume air bag is to slurry pressure regulation and assisting sifting.The utility model realizes the filtering and storage of good slurry by good pulp screen storage device, by power drive unit rotary power is provided for sieve rotor, sufficient high pressure gas is persistently provided by high voltage supply device, screen cylinder is realized by external pressurization device and sieves the supercharging of slurry between rotor, the supercharging of slurry and gas shock pulping in sieve rotor are realized by internal plenum, press screen device to carry out rotating boosting screening to slurry by rotation.

Description

A kind of pressurized screen assisting pressure-adjusting type based on air bag

Technical field

The utility model is related to a kind of pressurized screens assisting pressure-adjusting type based on air bag, more particularly to one kind to be stored up by good pulp screen Device realizes the filtering and storage of good slurry, provides rotary power for sieve rotor by power drive unit, is filled by high voltage supply Set and be continuously internal plenum and external pressurization device sufficient high pressure gas is provided, by external pressurization device realize screen cylinder and The supercharging of slurry between sieve rotor is realized the supercharging of slurry and gas shock pulping in sieve rotor by internal plenum, is passed through Rotation pressure screen device carries out rotating boosting screening to slurry, belongs to the technical research field of pressurized screen.

Background technology

Pressurized screen is as one of most common equipment in paper industry, mainly by the rotor on rotor in rotary course In, pressure is generated to the slurry on screen cylinder surface, screen cylinder inside and outside differential pressure is made to increase, slurry passes through screen cylinder；And rotor produces when leaving Raw negative pressure will play screen cylinder backwash, to ensure that pressurized screen continuously works normally.But since current pressurized screen works The unicity of mode and structure, causes problems with：First, screening efficiency is low, the screening of pressurized screen relies primarily on rotor generation Pressure, the height of screening efficiency depends on the size of pressure difference, and if pressure reduces, the working time need to be increased by fully screening, this Cause the screening efficiency of slurry integrally relatively low；Second is that good slurry low output, it is more to screen the impurity such as slurry group, the long fibre in slurry, Seriously affect good slurry yield.

Therefore, it for the problems such as screening efficiency of existing pressurized screen generally existing in use is low and good slurry low output, answers Considered from pressurized screen working method and structure, designs screening efficiency height and a kind of high screening the pulp of good slurry yield is set It is standby.

Invention content

For the problems such as screening efficiency of existing pressurized screen generally existing in use is low and good slurry low output, one is provided A kind of pressurized screen assisting pressure-adjusting type based on air bag that kind can effectively solve the above problems.

The a kind of of the utility model assists the pressurized screen of pressure-adjusting type to use following technical scheme based on air bag：

A kind of pressurized screen assisting pressure-adjusting type based on air bag includes mainly good pulp screen storage device, power drive unit, high pressure Feedway, internal plenum, external pressurization device and rotation pressure screen device, power drive unit are mounted on good pulp screen saving Lower end is set, high voltage supply device is mounted on good pulp screen storage device upper end, and rotation pressure screen device is mounted on power drive unit, interior Portion's supercharging device and external pressurization device are located at the medial and lateral of rotation pressure screen device；The good pulp screen storage device mainly by Barrel and screen cylinder composition, barrel Basolateral are equipped with 4 circumferentially uniformly distributed pillars, and screen cylinder is mounted in barrel, and screen cylinder is equipped with Sieve pore, the top of the barrel are equipped with cover board A, and screen cylinder upper end is equipped with cover board B, slurry inlet, the positive lower end of slurry inlet are equipped in the middle part of cover board B Equipped with kuppe；The power drive unit is mainly made of motor and main shaft, and main shaft is mounted on barrel center bottom, main shaft bottom End is equipped with motor；The rotation pressure screen device is mainly made of connecting rod, sieve rotor and rotor, and connecting rod inner end is welded on main shaft On, connecting rod outer end is welded on sieve rotor bottom end, and connecting rod outer end and sieve rotor junction are equipped with fixed plate, and rotor is mounted on sieve rotor On lateral surface；The high voltage supply device is mainly made of air compressor, high-voltage tube A and high-voltage tube B, air compressor installation On cover board B, air compressor outer end is respectively equipped with high-voltage tube A and high-voltage tube B, is respectively equipped on high-voltage tube A and high-voltage tube B defeated Air valve, high-voltage tube A and high-voltage tube B are fixed on the lower ends cover board B by snap ring, and high-voltage tube A is equipped with vent valve；The external pressurization Device is mainly made of air bag A, pressing plate A and spring A, and air bag A is mounted on the end of high-voltage tube A, and the lower ends air bag A are equipped with pressing plate A, Pressing plate A is connect by spring A with supporting rack；The internal plenum is mainly made of air bag B, pressing plate B and spring B, air bag B Mounted on the end of high-voltage tube B, the lower ends air bag B are equipped with pressing plate B, and pressing plate B is connect by spring B with kuppe, and the lower ends pressing plate B are set There is high-pressure nozzle.

The barrel barrel is blind tubular construction, and screen cylinder outside and region between barrel are the areas Liang Jiang, and the areas Liang Jiang bottom end is equipped with Deflector and the outlet of good slurry, screen cylinder inside region are slurry zone, and slurry zone bottom end is exported equipped with thick slag；Cover board A justifies for opposite opened Frid structure, cover board B are circular groove structure, and cover board B is equipped with high pressure pipe passage port；Groove is equipped on the outside of screen cylinder upper end, cover board A is stuck in It is mounted on the top of the barrel in screen cylinder groove and by 4 circumferentially uniformly distributed screws, cover board B is pacified by 4 circumferentially uniformly distributed screws Mounted in screen cylinder upper end；The tapered structure of kuppe, kuppe is interior to be equipped with strut, and kuppe is mounted on by supporting rack on the inside of screen cylinder Upper end；Supporting rack lower end on the inside of screen cylinder upper end is equipped with limiting plate A.

The screen cylinder is equipped with 6 layers of 12 circumferentially uniformly distributed sieve pore, and sieve pore is located at screen cylinder groove lower end, and sieve pore is in taper type Close to sieve rotor, sieve pore large end face diameter value is 2 times of small end face diameter value for structure and small end face.

The connecting rod and fixed plate quantity are 6 and are circumferentially evenly distributed with；It is 6 layers and every layer of 12 circumferential direction to sieve the rotor on rotor Uniformly distributed, each layer rotor is in sustained height with the sieve pore of the identical number of plies；Sieve rotor be it is columnar structured, sieve rotor inside lower end and Limiting plate B is respectively equipped on the main shaft of sustained height.

The quantity of the air bag A and spring A is respectively 8 and is circumferentially evenly distributed with, and air bag A stretches under punching, deflation status, gas Capsule A stretch values are 8 times of initial value；Pressing plate A be cirque structure, pressing plate A empty sets sieve rotor and screen cylinder between and freely go up, Lower movement.

The quantity of the air bag B and spring B is respectively 8 and is circumferentially evenly distributed with, and air bag B stretches under punching, deflation status, gas Capsule B stretch values are 8 times of initial value；Pressing plate B is annulus inner-cavity structure, and pressing plate B empty sets are between sieve rotor and main shaft and free Upper and lower movement；The exit of high-pressure nozzle is the cone structure of necking, and high-pressure nozzle is equipped with 4 layers from inside to outside, the 1st floor height pressure The quantity of jet pipe is 6 and circumferential uniformly distributed, and the quantity of the 2nd layer of high-pressure nozzle is 12 and circumferential uniformly distributed, the 3rd layer of high-pressure nozzle Quantity is 18 and is circumferentially evenly distributed with that the quantity of the 4th layer of high-pressure nozzle is for 24 and circumferential uniformly distributed.

The medial and lateral of the pressing plate A and pressing plate B are respectively equipped with sealing ring, and the cross section of sealing ring is in isosceles trapezoid；Pressing plate The medial and lateral lower end of A and pressing plate B is respectively equipped with except slag plate, except the cross section of slag plate is in isosceles right triangle.

The utility model realizes the filtering and storage of good slurry by good pulp screen storage device, that is, passes through the sieve of good pulp screen storage device Drum filters good slurry, and screen cylinder and the areas barrel Jian Liangjiang store good slurry；Rotary power is provided for sieve rotor by power drive unit, Motor power through connecting rod is transmitted on sieve rotor by the main shaft in power drive unit；Continued by high voltage supply device There is provided sufficient high pressure gas for internal plenum and external pressurization device, i.e., by high-voltage tube A in high voltage supply device and High-voltage tube B is respectively that internal plenum and external pressurization device provide sufficient high pressure gas；It is realized by external pressurization device The supercharging of slurry between screen cylinder and sieve rotor, i.e., by the air bag A and pressing plate A that freely stretch in external pressurization device, to screen cylinder with Slurry between sieve rotor carries out compression supercharging；Realize that the supercharging and gas shock of slurry in sieve rotor are broken by internal plenum Slurry carries out compression supercharging to the slurry in sieve rotor, leads to that is, by the air bag B and pressing plate B that freely stretch in internal plenum It is broken to the particle progress gas shock in slurry in sieve rotor to cross high-pressure nozzle, it is miscellaneous to eliminate slurry group, long fibre in slurry etc. Matter increases good slurry amount；It presses screen device to carry out rotating boosting screening to slurry by rotation, i.e., presses sieve in screen device to turn by rotation Rotor on son is pressurized slurry, and pushes slurry to sieve pore and screen.

The utility model realizes the filtering and storage of good slurry by good pulp screen storage device, that is, passes through the sieve of good pulp screen storage device Drum filters good slurry, and screen cylinder and the areas barrel Jian Liangjiang store good slurry, and specially when equipment works, slurry is pushed to sieve by sieve rotor Drum, when slurry is at the sieve pore on screen cylinder, only diameter could enter in sieve pore less than the slurry of sieve pore small end face, and pass through Sieve pore filtering enters screen cylinder and the areas barrel Jian Liangjiang, and the slurry for entering the areas Liang Jiang is stored in the form of good slurry.

Sieve pore is designed as outer big, interior small taper type structure by the utility model, prevents slurry from sieving by this design Hole internal congestion, so that slurry is quickly through sieve pore, to increase the screening efficiency of pressurized screen.

The utility model is equipped with deflector in the areas Liang Jiang bottom end, plays the role of the good slurry of water conservancy diversion by the inclined-plane of deflector, So that good slurry is rapidly flowed toward good slurry outlet, prevents good slurry from accumulating in the areas Liang Jiang bottom end.

The utility model is equipped with limiting plate A on the inside of screen cylinder upper end, and the backhaul position of limitation pressing plate A is played by this design It moves, prevents air bag A and pressing plate A impact failures.

This law is bright to provide rotary power by power drive unit for sieve rotor, that is, passes through the main shaft in power drive unit Motor power through connecting rod is transmitted on sieve rotor, specially when equipment works, motor driving spindle rotation, because of connecting rod inner end It is welded on main shaft, connecting rod outer end is welded on sieve rotor bottom end, then the rotary power through connecting rod of main shaft is transmitted on sieve rotor, is driven Dynamic sieve rotor rotation, and slurry is screened to the alternating action of the supercharging of slurry and negative pressure by rotor.

Spindle design is, upper and lower reciprocating motion by this design to pressing plate B contour with sieve rotor by the utility model Play the role of guiding, i.e. main shaft opposing platen B plays guide rod.

The utility model is continuously internal plenum by high voltage supply device and external pressurization device provides sufficient height It calms the anger body, i.e., is respectively internal plenum and external pressurization device by high-voltage tube A in high voltage supply device and high-voltage tube B Sufficient high pressure gas is provided and after air compressor compresses air and is respectively delivered to high-voltage tube A specially when equipment works In high-voltage tube B, high pressure gas is respectively delivered to air bag A and air bag B through high-voltage tube A and high-voltage tube B, is air bag A's and air bag B Further work provides sufficient high pressure gas；In addition, the gas valve on high-voltage tube A and high-voltage tube B plays control displacement It acts on, the vent valve on high-voltage tube A plays the role of being vented high-voltage tube A.

The utility model realizes screen cylinder by external pressurization device and sieves the supercharging of slurry between rotor, that is, passes through external pressurization The air bag A and pressing plate A freely to stretch in device, the slurry between screen cylinder and sieve rotor carry out compression supercharging, specially work as equipment When work, high pressure gas is transported in air bag A through high-voltage tube A and is inflated to air bag A, and the pressure of spring A is overcome after air bag A inflations And extend, air bag A drives the pressing plate A of its lower end to move down and compress slurry, and the slurry between screen cylinder and sieve rotor plays supercharging Effect.

The utility model realizes the supercharging of slurry and gas shock pulping in sieve rotor by internal plenum, that is, passes through The air bag B and pressing plate B freely to stretch in internal plenum carries out compression supercharging to the slurry in sieve rotor, passes through high pressure spray Pipe carries out gas shock to the particle in slurry in sieve rotor and is crushed, and eliminates the impurity such as slurry group, the long fibre in slurry, increases good Slurry amount, specially when equipment works, high pressure gas is transported in air bag B through high-voltage tube B and is inflated to air bag B, air bag B inflations Overcome the pressure of spring B and elongation, air bag B that the pressing plate B of its lower end is driven to move down and compress slurry afterwards, to the slurry in sieve rotor Play the role of supercharging；High-pressure nozzle of the extra high pressure gas through the lower ends pressing plate B sprays in air bag B, the high-pressure nozzle of taper High pressure gas is pressurized again, the slurry in high pressure gas impact screen rotor after supercharged, to slurry group, the long fibre etc. in slurry Impurity carries out impact grinding, to increase the good slurry amount in slurry.

The utility model realizes freely moving down for pressing plate A and pressing plate B respectively by air bag A and air bag B, specially works as realization When pressing plate A is moved down, air bag A need to only inflate, expanded after air bag A inflation and pressing plate A is pushed to move down, to realize pressing plate A oneself By moving down；Similarly, air bag B realizes that pressing plate B is freely moved down.

The utility model realizes the automated backhaul of pressing plate A and pressing plate B by spring A and spring B respectively, that is, passes through high-voltage tube The pressure of high pressure gas is less than spring in the displacement of gas valve reduction high pressure gas on A and high-voltage tube B, air bag A or air bag B The elastic force of A or spring B, pressing plate A or pressing plate B are moved up under the action of spring A or spring B, to realize automated backhaul.

The utility model is respectively equipped with sealing ring in the medial and lateral of pressing plate A and pressing plate B, and sealing is played by this design The effect of slurry prevents slurry after supercharging by pressing plate A or pressing plate B leakages.

The utility model is respectively equipped in the medial and lateral lower end of pressing plate A and pressing plate B except slag plate, is distinguished by this design Slurry slag below pressing plate A and pressing plate B is removed, ensures the clog-free movement of pressing plate A and pressing plate B.

The utility model by pressing plate A empty sets sieve rotor and screen cylinder between, by pressing plate B empty sets sieve rotor and main shaft it Between, by this empty set design realize sieve rotor and main shaft without interference rotary motion, prevent sieve rotor and main shaft rotation transport Band dynamic pressure plate A and pressing plate B rotations when dynamic.

The utility model presses screen device to carry out rotating boosting screening to slurry by rotation, i.e., is pressed in screen device by rotation Rotor on sieve rotor is pressurized slurry, and pushes slurry to sieve pore and screen, specially when equipment works, main shaft Sieve rotor rotation is driven by connecting rod, the rotor on rotor is sieved in rotary course, the slurry before being contacted at sieve pore is increased Pressure, and the slurry docked after touch generates negative pressure, the alternating action of supercharging and negative pressure makes the good slurry in slurry constantly be pushed into sieve pore simultaneously It is screened.

The utility model is equipped with 6 circumferentially uniformly distributed connecting rods in sieve rotor lower end, and sieve rotor had both been realized by this design Through connecting rod is connect with motor, and realizes that sieve rotor slurry is flowed with the free exchange for sieving the outer slurry of rotor.

The utility model is equipped with fixed plate in connecting rod outer end and sieve rotor junction, reinforces connecting rod and sieve by this design The connection of rotor ensures that main shaft power through connecting rod is transmitted on sieve rotor.

The utility model is respectively equipped with limiting plate B on the main shaft of sieve rotor inside lower end and sustained height, by this Design plays the backhaul displacement of limitation pressing plate B, prevents high-pressure nozzle and pressing plate B from colliding breakage.

The utility model has the beneficial effects that：The filtering and storage that good slurry is realized by good pulp screen storage device, pass through power Driving device provides rotary power for sieve rotor, and internal plenum and external pressurization device are continuously by high voltage supply device Sufficient high pressure gas is provided, screen cylinder is realized by external pressurization device and sieves the supercharging of slurry between rotor, is filled by internal pressurization It sets and realizes the supercharging of slurry and gas shock pulping in sieve rotor, press screen device to carry out rotating boosting sieve to slurry by rotation Choosing.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is the partial structural diagram of the good pulp screen storage device of the utility model.

Fig. 3 is the structural schematic diagram of the high voltage supply device of the utility model, external pressurization device and internal plenum.

Fig. 4 is the arrangement schematic diagram of the air bag A of the utility model.

Fig. 5 is the air bag B of the utility model and the arrangement schematic diagram of high-pressure nozzle.

Fig. 6 is the structural schematic diagram after the external pressurization device work of the utility model.

The external pressurization device and the structural schematic diagram after internal plenum co-operation that Fig. 7 is the utility model.

Fig. 8 is the schematic top plan view of the sieve rotor of the utility model.

Wherein：1, pillar, 2, the outlet of thick slag, 3, barrel, 4, motor, 5, main shaft, 6, connecting rod, 7, sieve rotor, 8, deflector, 9, good slurry outlet, 10, high pressure gas, 11, screen cylinder, 12, sieve pore, 13, rotor, 14, screw, 15, cover board A, 16, spring A, 17, Cover board B, 18, high-voltage tube A, 19, air compressor, 20, gas valve, 21, high-voltage tube B, 22, slurry inlet, 23, snap ring, 24, lead Stream cover, 25, air bag A, 26, pressing plate A, 27, air bag B, 28, pressing plate B, 29, high-pressure nozzle, 30, fixed plate, 31, remove slag plate, 32, Sealing ring, 33, particle, 34, water, 35, limiting plate B, 36, spring B, 37, limiting plate A, 38, supporting rack, 39, strut, 40 deflate Valve.

Specific implementation mode

Embodiment：

As shown in Figure 1, a kind of pressurized screen assisting pressure-adjusting type based on air bag, includes mainly good pulp screen storage device, power drive Dynamic device, high voltage supply device, internal plenum, external pressurization device and rotation pressure screen device, power drive unit installation In good pulp screen storage device lower end, high voltage supply device is mounted on good pulp screen storage device upper end, and rotation pressure screen device is mounted on power In driving device, internal plenum and external pressurization device are located at the medial and lateral that screen device is pressed in rotation.

The utility model realizes the filtering and storage of good slurry by good pulp screen storage device, that is, passes through the sieve of good pulp screen storage device Drum 11 filters good slurry, and screen cylinder 11 and 3 areas Jian Liangjiang of barrel store good slurry；It is that sieve rotor 7 provides rotation by power drive unit 4 power through connecting rod 6 of motor is transmitted on sieve rotor 7 by rotatory force by the main shaft 5 in power drive unit；Pass through high pressure Feedway is continuously internal plenum and external pressurization device provides sufficient high pressure gas 10, that is, passes through high voltage supply device In high-voltage tube A18 and high-voltage tube B21 be respectively that internal plenum and external pressurization device provide sufficient high pressure gas 10；It is logical It crosses external pressurization device to realize screen cylinder 11 and sieve the supercharging of slurry between rotor 7, i.e., by freely stretching in external pressurization device Air bag A25 and pressing plate A26, the slurry between screen cylinder 11 and sieve rotor 7 carry out compression supercharging；It is realized and is sieved by internal plenum The supercharging of slurry and gas shock pulping in rotor 7, i.e. air bag B27 and pressing plate by freely stretching in internal plenum B28 carries out compression supercharging to the slurry in sieve rotor 7, is carried out to the particle 33 in slurry in sieve rotor 7 by high-pressure nozzle 29 Gas shock is broken, eliminates the impurity such as slurry group, the long fibre in slurry, increases good slurry amount；Press screen device to slurry by rotation Rotating boosting screening is carried out, i.e., presses the rotor 13 in screen device on sieve rotor 7 to be pressurized slurry by rotation, and by slurry Push sieve pore 12 to be screened.

Power drive unit is mainly made of motor 4 and main shaft 5, and main shaft 5 is mounted on 3 center bottom of barrel, 5 bottom end of main shaft Motor 4 is installed.

This law is bright to provide rotary power by power drive unit for sieve rotor 7, that is, passes through the master in power drive unit 4 power through connecting rod 6 of motor is transmitted on sieve rotor 7 by axis 5, specially when equipment works, the rotation of 4 driving spindle 5 of motor, because 6 inner end of connecting rod is welded on main shaft 5, and 6 outer end of connecting rod is welded on 7 bottom end of sieve rotor, then the rotary power through connecting rod 6 of main shaft 5 passes It is delivered on sieve rotor 7, driving sieve rotor 7 rotates, and is screened to the alternating action of the supercharging of slurry and negative pressure by rotor 13 Slurry.

The utility model main shaft 5 is designed as it is contour with sieve rotor 7, by this design to the upper and lower reciprocal of pressing plate B28 Guiding is played the role of in movement, i.e. 5 opposing platen B28 of main shaft plays guide rod.

In conjunction with shown in Fig. 2, good pulp screen storage device is mainly made of barrel 3 and screen cylinder 11, and 3 Basolateral of barrel is equipped with 4 Circumferentially uniformly distributed pillar 1, screen cylinder 11 are mounted in barrel 3, and screen cylinder 11 is equipped with sieve pore 12, and 3 upper end of barrel is equipped with cover board A15, 11 upper end of screen cylinder is equipped with cover board B17, and slurry inlet 22 is equipped in the middle part of cover board B17, and 22 positive lower end of slurry inlet is equipped with kuppe 24.

3 barrel 3 of barrel is blind tubular construction, and region is the areas Liang Jiang between 11 outside of screen cylinder and barrel 3, and the areas Liang Jiang bottom end is equipped with Deflector 8 and good slurry outlet 9,11 inside region of screen cylinder are slurry zone, and slurry zone bottom end is equipped with thick slag and exports 2；Cover board A15 is pair Open type circular groove harden structure, cover board B17 are circular groove structure, and cover board B17 is equipped with high pressure pipe passage port；It is equipped on the outside of 11 upper end of screen cylinder recessed Slot, cover board A15 are stuck in 11 groove of screen cylinder and are mounted on 3 upper end of barrel by 4 circumferentially uniformly distributed screws 14, and cover board B17 is logical It crosses 4 circumferentially uniformly distributed screws 14 and is mounted on 11 upper end of screen cylinder；24 tapered structure of kuppe, kuppe 24 is interior to be equipped with strut 39, kuppe 24 is mounted on 11 inner top side of screen cylinder by supporting rack 38；38 lower end of supporting rack on the inside of 11 upper end of screen cylinder is equipped with Limiting plate A37.

Screen cylinder 11 is equipped with 6 layers 12 circumferentially uniformly distributed sieve pores 12, and sieve pore 12 is located at 11 groove lower end of screen cylinder, and sieve pore 12 is in Close to sieve rotor 7,12 large end face diameter value of sieve pore is 2 times of small end face diameter value for taper type structure and small end face.

The utility model realizes the filtering and storage of good slurry by good pulp screen storage device, that is, passes through the sieve of good pulp screen storage device Drum 11 filters good slurry, and screen cylinder 11 and 3 areas Jian Liangjiang of barrel store good slurry, specially when equipment works, sieves rotor 7 by slurry Push screen cylinder 11 to, when slurry is at the sieve pore 12 on screen cylinder 11, only diameter is less than the slurry ability of 12 small end face of sieve pore Enter 3 areas Jian Liangjiang of screen cylinder 11 and barrel into sieve pore 12, and through the filtering of sieve pore 12, and enter the slurry in Liang Jiang areas with The form of good slurry stores.

Sieve pore 12 is designed as outer big, interior small taper type structure by the utility model, prevents slurry from existing by this design 12 internal congestion of sieve pore, so that slurry is quickly through sieve pore 12, to increase the screening efficiency of pressurized screen.

The utility model is equipped with deflector 8 in the areas Liang Jiang bottom end, and the work of the good slurry of water conservancy diversion is played by the inclined-plane of deflector 8 With making good slurry rapidly flow toward good slurry outlet 9, prevent good starch from accumulating in the areas Liang Jiang bottom end.

The utility model is equipped with limiting plate A37 on the inside of 11 upper end of screen cylinder, plays limitation pressing plate A26's by this design Backhaul displacement prevents air bag A25 and pressing plate A26 impact failures.

In conjunction with shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, high voltage supply device is mainly by air compressor 19, high-voltage tube A18 It is formed with high-voltage tube B21, air compressor 19 is mounted on cover board B17, and 19 outer end of air compressor is respectively equipped with high-voltage tube A18 With gas valve 20 is respectively equipped on high-voltage tube B21, high-voltage tube A18 and high-voltage tube B21, high-voltage tube A18 and high-voltage tube B21 pass through card Ring 23 is fixed on the lower ends cover board B17, and high-voltage tube A18 is equipped with vent valve 40.

External pressurization device is mainly made of air bag A25, pressing plate A26 and spring A16, and air bag A25 is mounted on high-voltage tube A18 End, the lower ends air bag A25 are equipped with pressing plate A26, and pressing plate A26 connect by spring A16 with supporting rack 38.

The quantity of air bag A25 and spring A16 are respectively 8 and are circumferentially evenly distributed with, and air bag A25 stretches under punching, deflation status, Air bag A25 stretch values are 8 times of initial value；Pressing plate A26 be cirque structure, pressing plate A26 empty sets sieve rotor 7 and screen cylinder 11 it Between and freely upper and lower movement.

Internal plenum is mainly made of air bag B27, pressing plate B28 and spring B 36, and air bag B27 is mounted on high-voltage tube B21 End, the lower ends air bag B27 are equipped with pressing plate B28, and pressing plate B28 connect by spring B 36 with kuppe 24, and the lower ends pressing plate B28 are set There is high-pressure nozzle 29.

The quantity of air bag B27 and spring B 36 is respectively 8 and is circumferentially evenly distributed with, and air bag B27 stretches under punching, deflation status, Air bag B27 stretch values are 8 times of initial value；Pressing plate B28 is annulus inner-cavity structure, and pressing plate B28 empty sets are in sieve rotor 7 and main shaft 5 Between and freely upper and lower movement；The exit of high-pressure nozzle 29 is the cone structure of necking, and high-pressure nozzle 29 is equipped with from inside to outside 4 layers, the quantity of the 1st layer of high-pressure nozzle 29 is for 6 and circumferential uniformly distributed, and the quantity of the 2nd layer of high-pressure nozzle 29 is for 12 and circumferential equal The quantity of cloth, the 3rd layer of high-pressure nozzle 29 is for 18 and circumferential uniformly distributed, and the quantity of the 4th layer of high-pressure nozzle 29 is for 24 and circumferential equal Cloth.

The medial and lateral of pressing plate A26 and pressing plate B28 are respectively equipped with sealing ring 32, and the cross section of sealing ring 32 is in isosceles trapezoid； The medial and lateral lower end of pressing plate A26 and pressing plate B28 is respectively equipped with except slag plate 31, except the cross section of slag plate 31 is in isosceles right angle trigonometry Shape.

The utility model is continuously internal plenum by high voltage supply device and external pressurization device provides sufficient height It calms the anger body 10, i.e., is respectively internal plenum by high-voltage tube A18 in high voltage supply device and high-voltage tube B21 and external increases Pressure device provides sufficient high pressure gas 10, after air compressor 19 compresses air and defeated respectively specially when equipment works It is sent in high-voltage tube A18 and high-voltage tube B21, high pressure gas 10 is respectively delivered to air bag A25 through high-voltage tube A18 and high-voltage tube B21 With air bag B27, sufficient high pressure gas 10 is provided for the further work of air bag A25 and air bag B27；In addition, high-voltage tube A18 and Gas valve 20 on high-voltage tube B21 plays the role of controlling displacement, and the vent valve 40 on high-voltage tube A18 is played to high-voltage tube The effect of A18 exhausts.

The utility model realizes screen cylinder 11 by external pressurization device and sieves the supercharging of slurry between rotor 7, that is, passes through outside The air bag A25 and pressing plate A26 freely to stretch in supercharging device, the slurry between screen cylinder 11 and sieve rotor 7 carry out compression supercharging, have Body is when equipment works, and high pressure gas 10 is transported in air bag A25 through high-voltage tube A18 and is inflated to air bag A25, air bag A25 The pressure of spring A16 and elongation are overcome after inflation, air bag A25 drives the pressing plate A26 of its lower end to move down and compress slurry, to screen cylinder Slurry between 11 and sieve rotor 7 plays the role of supercharging.

The utility model realizes the supercharging of slurry and gas shock pulping in sieve rotor 7 by internal plenum, i.e., logical The air bag B27 freely to stretch in internal plenum and pressing plate B28 is crossed, compression supercharging is carried out to the slurry in sieve rotor 7, is passed through High-pressure nozzle 29 carries out gas shock to the particle 33 in slurry in sieve rotor 7 and is crushed, and eliminates slurry group, the long fibre etc. in slurry Impurity increases good slurry amount, and specially when equipment works, high pressure gas 10 is transported to through high-voltage tube B21 in air bag B27 and to gas Capsule B27 inflations overcome pressure and the elongation of spring B 36, air bag B27 that the pressing plate B28 of its lower end is driven to move down after air bag B27 inflations And slurry is compressed, play the role of supercharging to the slurry in sieve rotor 7；Extra high pressure gas 10 is through pressing plate B28 in air bag B27 The high-pressure nozzle 29 of lower end sprays, and high pressure gas 10 is pressurized by the high-pressure nozzle 29 of taper again, high pressure gas 10 after supercharged Slurry in impact screen rotor 7 carries out impact grinding, to increase in slurry to impurity such as slurry group, long fibres in slurry Good slurry amount.

The utility model realizes freely moving down for pressing plate A26 and pressing plate B28 respectively by air bag A25 and air bag B27, specifically When realizing that pressing plate A26 is moved down, need to only to be inflated to air bag A25, is expanded after air bag A25 inflations and pressing plate A26 is pushed to move down, from And realize freely moving down for pressing plate A26；Similarly, air bag B27 realizes that pressing plate B28 is freely moved down.

The utility model realizes the automated backhaul of pressing plate A26 and pressing plate B28 by spring A16 and spring B 36 respectively, i.e., logical Cross the displacement that gas valve 20 on high-voltage tube A18 and high-voltage tube B21 reduces high pressure gas 10, it is high in air bag A25 or air bag B27 The pressure of body 10 of calming the anger is less than the elastic force of spring A16 or spring B 36, pressing plate A26 or pressing plate B28 in spring A16 or spring B 36 It is moved up under effect, to realize automated backhaul.

The utility model is respectively equipped with sealing ring 32 in the medial and lateral of pressing plate A26 and pressing plate B28, is designed by this To the effect of sealing slurry, prevent slurry after supercharging by pressing plate A26 or pressing plate B28 leakages.

The utility model is respectively equipped in the medial and lateral lower end of pressing plate A26 and pressing plate B28 except slag plate 31, is set by this Meter removes slurry slag below pressing plate A26 and pressing plate B28 respectively, ensures the clog-free movement of pressing plate A26 and pressing plate B28.

Pressing plate B28 empty sets between sieve rotor 7 and screen cylinder 11, are being sieved 7 He of rotor by pressing plate A26 empty sets by the utility model Between main shaft 5, designed by this empty set realize sieve rotor 7 and main shaft 5 without interference rotary motion, prevent sieve rotor 7 and main Axis 5 band dynamic pressure plate A26 and pressing plate B28 rotations in rotary motion.

In conjunction with shown in Fig. 8, rotation pressure screen device is mainly made of connecting rod 6, sieve rotor 7 and rotor 13, the welding of 6 inner end of connecting rod On main shaft 5,6 outer end of connecting rod is welded on 7 bottom end of sieve rotor, and 6 outer end of connecting rod and 7 junction of sieve rotor are equipped with fixed plate 30, rotation The wing 13 is mounted on sieve 7 lateral surface of rotor.

Connecting rod 6 and 30 quantity of fixed plate are 6 and are circumferentially evenly distributed with；It is 6 layers and every layer of 12 week to sieve the rotor 13 on rotor 7 To being evenly distributed with, each layer rotor 13 is in sustained height with the sieve pore 12 of the identical number of plies；It is columnar structured to sieve rotor 7, is sieved in rotor 7 It is respectively equipped with limiting plate B35 on the main shaft 5 of side lower end and sustained height.

The utility model presses screen device to carry out rotating boosting screening to slurry by rotation, i.e., is pressed in screen device by rotation Rotor 13 on sieve rotor 7 is pressurized slurry, and pushes slurry to sieve pore 12 and screen, specially when equipment works When, main shaft 5 drives sieve rotor 7 to rotate by connecting rod 6, sieves the rotor 13 on rotor 7 in rotary course, to being contacted at sieve pore 12 Preceding slurry is pressurized, and the slurry docked after touch generates negative pressure, and the alternating action of supercharging and negative pressure makes the good slurry in slurry It is constantly pushed into sieve pore 12 and is screened.

The utility model is equipped with 6 circumferentially uniformly distributed connecting rods 6 in 7 lower end of sieve rotor, has both realized that sieve turned by this design Sub 7 through connecting rods 6 are connect with motor 4, and realize that sieve 7 slurry of rotor is flowed with the free exchange for sieving 7 outer slurry of rotor.

The utility model is equipped with fixed plate 30 in 6 outer end of connecting rod and 7 junction of sieve rotor, reinforces connecting rod by this design 6 and sieve rotor 7 connection, ensure 5 power through connecting rod 6 of main shaft be transmitted to sieve rotor 7 on.

The utility model is respectively equipped with limiting plate B35 on the main shaft 5 of sieve 7 inside lower end of rotor and sustained height, passes through This design plays the backhaul displacement of limitation pressing plate B28, prevents high-pressure nozzle 29 and pressing plate B28 from colliding breakage.

Claims (7)

1. a kind of pressurized screen assisting pressure-adjusting type based on air bag includes mainly good pulp screen storage device, power drive unit, high pressure confession It is mounted on good pulp screen storage device to device, internal plenum, external pressurization device and rotation pressure screen device, power drive unit Lower end, high voltage supply device are mounted on good pulp screen storage device upper end, and rotation pressure screen device is mounted on power drive unit, internal Supercharging device and external pressurization device are located at the medial and lateral of rotation pressure screen device；It is characterized in that：The good pulp screen saving It sets and is mainly made of barrel and screen cylinder, barrel Basolateral is equipped with 4 circumferentially uniformly distributed pillars, and screen cylinder is mounted in barrel, sieve Drum is equipped with sieve pore, and the top of the barrel is equipped with cover board A, and screen cylinder upper end is equipped with cover board B, is equipped with slurry inlet in the middle part of cover board B, slurry enters The positive lower end of mouth is equipped with kuppe；The power drive unit is mainly made of motor and main shaft, and main shaft is mounted in barrel bottom end Portion, main shaft bottom end are equipped with motor；The rotation pressure screen device is mainly made of connecting rod, sieve rotor and rotor, the weldering of connecting rod inner end It is connected on main shaft, connecting rod outer end is welded on sieve rotor bottom end, and connecting rod outer end and sieve rotor junction are equipped with fixed plate, rotor installation On sieve rotor lateral surface；The high voltage supply device is mainly made of air compressor, high-voltage tube A and high-voltage tube B, air pressure Contracting machine is mounted on cover board B, and air compressor outer end is respectively equipped with high-voltage tube A and high-voltage tube B, divides on high-voltage tube A and high-voltage tube B Not She You gas valve, high-voltage tube A and high-voltage tube B the lower ends cover board B are fixed on by snap ring, high-voltage tube A is equipped with vent valve；It is described External pressurization device is mainly made of air bag A, pressing plate A and spring A, and air bag A is mounted on the end of high-voltage tube A, and the lower ends air bag A are set There are pressing plate A, pressing plate A to be connect with supporting rack by spring A；The internal plenum is mainly by air bag B, pressing plate B and spring B group At air bag B is mounted on the end of high-voltage tube B, and the lower ends air bag B are equipped with pressing plate B, and pressing plate B is connect by spring B with kuppe, press The lower ends plate B are equipped with high-pressure nozzle.

2. a kind of pressurized screen assisting pressure-adjusting type based on air bag as described in claim 1, it is characterised in that：The barrel is blind Tubular construction, screen cylinder outside and region between barrel are the areas Liang Jiang, and the areas Liang Jiang bottom end is equipped with deflector and good slurry exports, on the inside of screen cylinder Region is slurry zone, and slurry zone bottom end is exported equipped with thick slag；Cover board A is opposite opened circular groove harden structure, and cover board B is circular groove structure, Cover board B is equipped with high pressure pipe passage port；Groove is equipped on the outside of screen cylinder upper end, cover board A is stuck in screen cylinder groove and equal by 4 circumferential directions The screw of cloth is mounted on the top of the barrel, and cover board B is mounted on screen cylinder upper end by 4 circumferentially uniformly distributed screws；Kuppe is tapered Structure, kuppe is interior to be equipped with strut, and kuppe is mounted on screen cylinder inner top side by supporting rack；Supporting rack on the inside of screen cylinder upper end Lower end is equipped with limiting plate A.

3. a kind of pressurized screen assisting pressure-adjusting type based on air bag as described in claim 1, it is characterised in that：It is set on the screen cylinder There are 6 layers of 12 circumferentially uniformly distributed sieve pore, sieve pore to be located at screen cylinder groove lower end, sieve pore turns in taper type structure and small end face close to sieve Son, sieve pore large end face diameter value are 2 times of small end face diameter value.

4. a kind of pressurized screen assisting pressure-adjusting type based on air bag as described in claim 1, it is characterised in that：The connecting rod and solid Fixed board quantity is 6 and is circumferentially evenly distributed with；Sieve that the rotor on rotor is 6 layers and every layer of 12 circumferential direction are uniformly distributed, each layer rotor with it is identical The sieve pore of the number of plies is in sustained height；It is columnar structured to sieve rotor, sieves and divides on the main shaft of rotor inside lower end and sustained height It She You not limiting plate B.

5. a kind of pressurized screen assisting pressure-adjusting type based on air bag as described in claim 1, it is characterised in that：The air bag A and The quantity of spring A is respectively 8 and is circumferentially evenly distributed with, and air bag A stretches under punching, deflation status, and air bag A stretch values are initial value 8 times；Pressing plate A is cirque structure, and pressing plate A empty sets are between sieve rotor and screen cylinder and freely move above and below.

6. a kind of pressurized screen assisting pressure-adjusting type based on air bag as described in claim 1, it is characterised in that：The air bag B and The quantity of spring B is respectively 8 and is circumferentially evenly distributed with, and air bag B stretches under punching, deflation status, and air bag B stretch values are initial value 8 times；Pressing plate B is annulus inner-cavity structure, and pressing plate B empty sets are between sieve rotor and main shaft and freely move above and below；High-pressure nozzle Exit is the cone structure of necking, and high-pressure nozzle is equipped with 4 layers from inside to outside, and the quantity of the 1st layer of high-pressure nozzle is for 6 and circumferential Uniformly distributed, the quantity of the 2nd layer of high-pressure nozzle is 12 and is circumferentially evenly distributed with, and the quantity of the 3rd layer of high-pressure nozzle is for 18 and circumferential uniformly distributed, The quantity of 4th layer of high-pressure nozzle is 24 and is circumferentially evenly distributed with.

7. a kind of pressurized screen assisting pressure-adjusting type based on air bag as described in claim 1, it is characterised in that：The pressing plate A and The medial and lateral of pressing plate B are respectively equipped with sealing ring, and the cross section of sealing ring is in isosceles trapezoid；Under the medial and lateral of pressing plate A and pressing plate B End is respectively equipped with except slag plate, except the cross section of slag plate is in isosceles right triangle.