CN214938760U

CN214938760U - High-efficiency energy-saving pressure screen

Info

Publication number: CN214938760U
Application number: CN202120918412.9U
Authority: CN
Inventors: 王书林; 吴贵玲; 汪桥
Original assignee: Hubei Chengdong Renewable Resources Technology Development Co ltd
Current assignee: Hubei Chengdong Renewable Resources Technology Development Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-30
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses an energy-efficient pressurized screen, which comprises a bod, the top fixedly connected with L shape inlet pipe of organism, the turn department integrated into one piece of L shape inlet pipe has a buffer cylinder, the buffer cylinder is linked together with the inside of L shape inlet pipe, the internal surface rotation of buffer cylinder is connected with the axis of rotation, the even fixedly connected with multi-disc flabellum of surface of axis of rotation, the multi-disc the flabellum runs through near its intermediate position and has seted up the bar opening, the bar opening separates the flabellum for two, one of them slice the flabellum is close to the bar opening part and rotates and be connected with the pivot, the outer fixed surface of pivot is connected with the push rod. The utility model relates to a pulping equipment technical field drives the flabellum through the thick liquid and rotates to make the push rod drive and remove the pipe and make reciprocal linear motion, carry out prefilter to the heavy sediment in the thick liquid, avoid heavy sediment to cause wearing and tearing to the screen drum.

Description

High-efficiency energy-saving pressure screen

Technical Field

The utility model relates to a pulping equipment technical field especially relates to an energy-efficient pressurized screen.

Background

The pressure screen is mainly used for coarse screening and screening of paper pulp in a pulping system and mainly comprises a cylinder body, a screen drum and a rotor, wherein a plurality of rotary vanes are arranged on the outer wall of the rotor, pressure difference inside and outside the screen drum and positive pressure at the heads of the rotary vanes are used as screening power, and negative pressure generated at the tail of each rotary vane is used for self-cleaning. The slurry to be screened enters the screen body by a slurry feeding pump at a high pressure, and is rapidly separated by centrifugal force generated by high-speed rotation of the rotor, and coarse fibers and heavy slag which are heavier than the slurry are rapidly separated to the periphery to rotate along the wall of the barrel body. The fine, qualified fibers are rotated close to the screen cylinder and pass through the screen cylinder under pressure. The rotary wing pieces on the rotor play a role in cleaning the screen cylinder gaps, so that the screen gaps are smooth and free from blockage.

During normal operation, because can contain part heavy sediment in the thick liquid that enters into the barrel from the feed inlet, these heavy sediment can flow to the screen cylinder along with the thick liquid in, when the high-speed rotation of rotor, part heavy sediment can be followed the bottom and discharged, but still have part heavy sediment can flow in the screen cylinder along with the thick liquid, cause wearing and tearing to the rotor rotary vane that rotates at a high speed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at not enough among the above-mentioned background art, provide an energy-efficient pressure sieve, through carrying out the prefilter to the thick liquid that gets into in the barrel, avoid the heavy sediment in the thick liquid to cause wearing and tearing to screen drum and rotor, prolong the life of machine, make the machine can more efficient function.

According to the utility model discloses an embodiment has adopted following technical scheme:

the utility model provides an energy-efficient pressurized screen, includes the organism, the top fixedly connected with L shape inlet pipe of organism, the turn department integrated into one piece of L shape inlet pipe has a buffer cylinder, the buffer cylinder is linked together with the inside of L shape inlet pipe, the internal surface of buffer cylinder rotates and is connected with the axis of rotation, the even fixedly connected with multi-disc flabellum of surface of axis of rotation, the multi-disc the flabellum runs through near its intermediate position and has seted up the bar opening, the bar opening is separated the flabellum for two, one of them slice the flabellum is close to the bar opening part and rotates and be connected with the pivot, the outer fixed surface of pivot is connected with the push rod, the one end that the flabellum was kept away from to the push rod is rotated and is connected with the filter assembly who is used for carrying out preliminary filtration to the thick liquid.

Preferably, filtering component is including removing pipe, filter screen, fixed block, two sealing door and connecting block, the inner wall sliding connection who removes pipe and L shape inlet pipe sets up, it is close to the exit end fixedly connected with filter screen of L shape inlet pipe to remove the pipe, remove two fixed blocks of the interior surface symmetry fixedly connected with of filter screen one end, two to remove the pipe the sealing door is through two the fixed block rotates with the removal pipe to be connected the setting, the outer fixed surface that the filter screen was kept away from to the removal pipe is connected with the connecting block, the connecting block rotates with the one end of push rod to be connected the setting.

Preferably, the moving pipe has a diameter equal to the inner diameter of the L-shaped feed pipe.

Preferably, the two sealing doors are equal in size, and the outer surfaces of the sealing doors are vulcanized with rubber layers.

Preferably, the rotation center of the fan blade is not on the same axis with the central line of the L-shaped feeding pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides an energy-efficient pressurized screen, the utility model discloses a when the slurry pump is sent into the organism with higher pressure through L shape inlet pipe with the thick liquid, the thick liquid of high-speed flow will promote the flabellum that sets up in L shape inlet pipe and rotate, when the flabellum rotates, can carry out certain cushioning effect to the thick liquid, has avoided the heavy sediment in the thick liquid directly to strike the screen drum to cause the damage of machine part, the life of extension machine guarantees that the machine can high-efficient operation.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-efficiency energy-saving pressure screen provided by the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a high-efficiency energy-saving pressure screen provided by the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic view of the structure of the L-shaped feeding pipe of the high-efficiency energy-saving pressure screen of the present invention.

In the figure: 1. a body; 2. an L-shaped feed pipe; 3. a buffer cylinder; 4. a fan blade; 401. a rotating shaft; 5. a strip-shaped opening; 6. a rotating shaft; 7. a push rod; 8. a filter assembly; 801. moving the tube; 802. a filter screen; 803. a fixed block; 804. a sealing door; 805. and (4) connecting the blocks.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in figures 1-4, as a preferred embodiment of the high-efficiency energy-saving pressure sieve, the utility model provides a high-efficiency energy-saving pressure sieve, which comprises a machine body 1, an L-shaped feeding pipe 2 is fixedly connected with the top of the machine body 1, a buffer cylinder 3 is integrally formed at the turning part of the L-shaped feeding pipe 2, the buffer cylinder 3 is communicated with the inside of the L-shaped feeding pipe 2, the inner surface of the buffer cylinder 3 is rotatably connected with a rotating shaft 401, the outer surface of the rotating shaft 401 is uniformly and fixedly connected with a plurality of fan blades 4, a strip-shaped opening 5 is arranged near the middle position of the fan blades 4 in a penetrating way, the strip-shaped opening 5 divides the fan blades 4 into two parts, wherein a slice flabellum 4 is close to bar opening 5 department and rotates and is connected with pivot 6, and the fixed surface of pivot 6 is connected with push rod 7, and push rod 7 keeps away from the one end rotation of flabellum 4 and is connected with the filtering component 8 that is used for carrying out prefiltering to the thick liquid.

In the above solution, when the slurry is fed into the machine body 1 through the L-shaped feeding pipe 2 by the slurry pump at a high pressure, the slurry flowing at a high speed will push the fan blade 4 disposed in the L-shaped feeding pipe 2 to rotate, when the fan blade 4 rotates, the push rod 7 rotatably connected to the fan blade 4 will be driven therewith and push the moving pipe 801 to make a reciprocating linear motion in the L-shaped feeding pipe 2, when the push rod 7 pulls the moving pipe 801 to move toward the fan blade 4, the two sealing doors 804 symmetrically disposed at one end of the moving pipe 801 will be opened toward the inside of the moving pipe 801, so that the slurry can enter the moving pipe 801 and flow toward the machine body 1 through the filter screen 802, and the filtered heavy slag will be collected in the moving pipe 801, when the machine body 1 finishes working, the moving pipe 801 is cleaned, when the moving pipe 801 is pushed by the push rod 7, the two sealing doors 804 are closed due to the resistance of the slurry, heavy slag in the moving pipe 801 is prevented from entering the L-shaped feed pipe 2 again.

Referring to fig. 3 and 4, preferably, the filtering assembly 8 includes a moving pipe 801, a filtering net 802, fixing blocks 803, two sealing doors 804 and a connecting block 805, the moving pipe 801 is slidably connected to the inner wall of the L-shaped feeding pipe 2, the filtering net 802 is fixedly connected to the moving pipe 801 near the outlet end of the L-shaped feeding pipe 2, the two fixing blocks 803 are symmetrically and fixedly connected to the inner surface of the end of the moving pipe 801 far from the filtering net 802, the two sealing doors 804 are rotatably connected to the moving pipe 801 through the two fixing blocks 803, the connecting block 805 is fixedly connected to the outer surface of the moving pipe 801 far from the filtering net 802, and the connecting block 805 is rotatably connected to one end of the push rod 7.

When the slurry pushes the fan blades 4 to rotate, the push rod 7 rotationally connected with the fan blades 4 is driven along with the slurry and pushes the moving pipe 801 to make reciprocating linear motion in the L-shaped feeding pipe 2, when the push rod 7 pulls the moving pipe 801 to move towards the direction of the fan blades 4, the two sealing doors 804 symmetrically arranged at one end of the moving pipe 801 are opened towards the inner direction of the moving pipe 801, so that the slurry can enter the moving pipe 801 and flow into the machine body 1 through the filter screen 802, the filtered heavy slag is collected in the moving pipe 801, when the standby machine body 1 finishes working, the moving pipe 801 is cleaned, abrasion of the heavy slag on a screen drum and a rotor can be effectively avoided, and the machine can keep excellent performance.

Referring to FIG. 3, the diameter of the moving pipe 801 is preferably equal to the inner diameter of the L-shaped feed pipe 2. The flow of slurry from between the moving pipe 801 and the L-shaped feed pipe 2 is avoided, thereby reducing the flexibility of the moving pipe 801.

Referring to fig. 3, preferably, the two sealing doors 804 are equal in size, and the outer surfaces of the sealing doors 804 are vulcanized with rubber layers. When the moving pipe 801 is pushed by the pushing rod 7, the two sealing doors 804 are closed due to the resistance of the slurry, and heavy slag in the moving pipe 801 is prevented from entering the L-shaped feeding pipe 2 again.

Referring to fig. 3, preferably, the rotation center of the fan blade 4 is not on the same axis line as the center line of the L-shaped feed pipe 2. The grout entering the L-shaped feeding pipe 2 can drive the fan blades 4 to rotate, and the grout is buffered.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides an energy-efficient pressurized screen, includes organism (1), its characterized in that, the top fixedly connected with L shape inlet pipe (2) of organism (1), the turn department integrated into one piece of L shape inlet pipe (2) has buffer cylinder (3), buffer cylinder (3) are linked together with the inside of L shape inlet pipe (2), the internal surface rotation of buffer cylinder (3) is connected with axis of rotation (401), the even fixedly connected with multi-disc flabellum (4) of surface of axis of rotation (401), multi-disc flabellum (4) are close to its intermediate position and run through and have seted up bar opening (5), bar opening (5) are separated flabellum (4) for two halves, one of them slice fan blade (4) are close to bar opening (5) department and rotate and are connected with pivot (6), the outer fixed surface of pivot (6) is connected with push rod (7), the one end that flabellum (4) were kept away from in push rod (7) is rotated and is connected with and is used for carrying out preliminary filtering to the thick liquid A filter assembly (8).

2. An energy-efficient pressure screen according to claim 1, characterized in that the filtering assembly (8) comprises a moving pipe (801), a filtering screen (802), a fixed block (803), two sealing doors (804) and a connecting block (805), the moving pipe (801) is connected with the inner wall of the L-shaped feeding pipe (2) in a sliding way, a filter screen (802) is fixedly connected to the outlet end of the movable pipe (801) close to the L-shaped feeding pipe (2), the inner surface of one end of the moving pipe (801) far away from the filter screen (802) is symmetrically and fixedly connected with two fixed blocks (803), the two sealing doors (804) are rotatably connected with the moving pipe (801) through the two fixed blocks (803), the outer surface of the moving pipe (801) far away from the filter screen (802) is fixedly connected with the connecting block (805), the connecting block (805) is rotatably connected with one end of the push rod (7).

3. An energy efficient pressure screen according to claim 2, characterized in that the moving pipe (801) has a diameter equal to the inner diameter of the L-shaped feed pipe (2).

4. An energy-efficient pressure screen as claimed in claim 2, characterized in that the two sealing doors (804) are of equal size, and the outer surfaces of the sealing doors (804) are vulcanized with rubber layers.

5. An energy-efficient pressure screen as claimed in claim 1, characterized in that the centre of rotation of the fan blades (4) is not on the same axis as the centre line of the L-shaped feed pipe (2).