Screening and purifying device for papermaking

Abstract

The screening and purifying device is characterized in that a screening and purifying cylinder is mounted at the top of a power unit base, an annular filter screen is mounted in the screening and purifying cylinder, a feeding pipe connector is mounted in the center of the top of the screening and purifying cylinder, and a pulp outlet is formed in the bottom of the side edge of the screening and purifying cylinder; a slag discharging opening is formed in the top of the side edge of the screening and purifying cylinder and connected with the top of the annular filter screen, a liftable pressurization jacking plate is installed on the lower portion in the annular filter screen, a motor is installed in the center in the power unit base, and a square rotating connecting rod is installed in the center of the pressurization jacking plate through a bearing; and the bottom of the square rotating connecting rod is connected with a motor, a sliding sleeve is installed on the square rotating connecting rod and located above the pressurizing jacking plate, and stirring blades are installed on the side edge of the sliding sleeve. The slurry discharging device is reasonable in design, the slurry discharging efficiency is improved through jacking pressurization, and residues can be directly discharged when the jacking device reaches the top end.

Description

Technical Field

[0001] The utility model relates to the field of papermaking equipment, in particular to a screening and purification device for papermaking. Background Art

[0002] The purpose of screening and purification in the papermaking process is to remove impurities in the pulp to ensure the quality of the pulp and suitability for subsequent papermaking processes. The screening process mainly removes impurities with relatively low density and large volume, such as pulp clumps, fiber bundles, grass clippings, etc., while the purification process removes impurities with relatively high density, such as sand, metal chips, coal slag, etc. However, the existing screening and purification devices have slow pulping and low efficiency without applying additional pressure. Once additional pressure is applied to the screening and purification device, although the pulping efficiency can be improved, it is impossible to discharge unusable residues while discharging the pulp. Utility Model Content

[0003] The purpose of the utility model is to provide a screening and purification device for papermaking to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A papermaking screening and purification device comprises a power unit base, a screening and purification cylinder, an annular filter, a feed pipe connector, a pulp outlet, a slag outlet, a pressurized lifting plate, a motor, a square rotating connecting rod, a sliding sleeve, and a stirring blade. A screening and purification cylinder is installed on the top of the power unit base, an annular filter is installed inside the screening and purification cylinder, a feed pipe connector is installed at the top center of the screening and purification cylinder, a pulp outlet is installed at the bottom of the side of the screening and purification cylinder, a slag outlet is installed at the top of the side of the screening and purification cylinder, and the slag outlet is connected to the top of the annular filter, a liftable pressurized lifting plate is installed below the inside of the annular filter, a motor is installed at the center of the power unit base, a square rotating connecting rod is installed at the center of the pressurized lifting plate through a bearing, and the bottom of the square rotating connecting rod is connected to the motor, a sliding sleeve is installed on the square rotating connecting rod, and the sliding sleeve is located above the pressurized lifting plate, and a stirring blade is installed on the side of the sliding sleeve.

[0006] Preferably: the papermaking screening and purification device also includes a push rod motor, and push rod motors are installed on both sides of the left and right sides of the power unit base, and the push rod on the top of the push rod motor is connected to the two sides of the bottom of the pressurized lifting plate, and drives the pressurized lifting plate to rise and fall in the annular filter screen.

[0007] The beneficial effects of the utility model are as follows: the utility model is reasonably designed, the efficiency of pulp discharge is improved by jacking and pressurizing, and when the jacking device reaches the top, the residue can be directly discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a schematic diagram of the structure of the utility model for papermaking screening and purification device;

[0009] Figure 2 It is a schematic diagram of the structure of the utility model for papermaking screening and purification device.

[0010] In the figure: 1. power unit base, 2. screening and purification cylinder, 3. annular filter, 4. feed pipe connector, 5. slurry outlet, 6. slag outlet, 7. pressurized lifting plate, 8. motor, 9. square rotating connecting rod, 10. sliding sleeve, 11. stirring blade, 12. push rod motor. DETAILED DESCRIPTION

[0011] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0012] like Figure 1-Figure 2 As shown, a screening and purification device for papermaking includes a power unit base 1, a screening and purification cylinder 2, an annular filter 3, a feed pipe connector 4, a pulp outlet 5, a slag outlet 6, a pressurized lifting plate 7, a motor 8, a square rotating connecting rod 9, a sliding sleeve 10, and a stirring blade 11. The top of the power unit base 1 is equipped with a screening and purification cylinder 2, the inside of the screening and purification cylinder 2 is equipped with an annular filter 3, the top center of the screening and purification cylinder 2 is equipped with a feed pipe connector 4, the bottom of the side of the screening and purification cylinder 2 is equipped with a pulp outlet 5, and the screening and purification cylinder 2 is equipped with a slurry outlet 5. A slag discharge port 6 is installed at the top of the side of the chemical cylinder 2, and the slag discharge port 6 is connected to the top of the annular filter screen 3. A liftable pressurized lifting plate 7 is installed at the bottom of the annular filter screen 3. A motor 8 is installed at the center of the power unit base 1. A square rotating connecting rod 9 is installed at the center of the pressurized lifting plate 7 through a bearing, and the bottom of the square rotating connecting rod 9 is connected to the motor 8. A sliding sleeve 10 is installed on the square rotating connecting rod 9, and the sliding sleeve 10 is located above the pressurized lifting plate 7. A stirring blade 11 is installed on the side of the sliding sleeve 10. The papermaking screening and purification device also includes a push rod motor 12. Push rod motors 12 are installed on both left and right sides of the power unit base 1, and the top push rod of the push rod motor 12 is connected to both sides of the bottom of the pressurized lifting plate 7, and drives the pressurized lifting plate 7 to rise and fall in the annular filter screen 3.

[0013] The utility model is used in the following ways: a feed pipe of pulp is connected via a feed pipe connector 4, pulp stock solution is added into the screening and purification cylinder 2, the pulp filtered through the annular filter screen 3 is discharged through the pulp outlet 5, and during the filtration, a pressurizing lifting plate 7 is lifted by a push rod motor 12 to compress the pulp in the annular filter screen 3 to increase the filtration speed, and a square rotating connecting rod 9 at the center of the pressurizing lifting plate 7 is driven by a motor 8 to drive a stirring blade 11 to stir during the lifting process, and when the pressurizing lifting plate 7 reaches the top, the residue is stirred to the slag outlet 6 for discharge.

[0014] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary, and equivalent changes within the equivalent scope are included in the scope of the present invention.

Claims

1. A screening and purification device for papermaking, comprising a power unit base (1), a screening and purification cylinder (2), an annular filter screen (3), a feed pipe connector (4), a pulp outlet (5), a slag outlet (6), a pressurized lifting plate (7), a motor (8), a square rotating connecting rod (9), a sliding sleeve (10), and a stirring blade (11), characterized in that: A screening and purification cylinder (2) is installed on the top of the power unit base (1), an annular filter screen (3) is installed inside the screening and purification cylinder (2), a feed pipe connector (4) is installed at the top center of the screening and purification cylinder (2), a slurry outlet (5) is installed at the bottom of the side of the screening and purification cylinder (2), a slag discharge port (6) is installed at the top of the side of the screening and purification cylinder (2), and the slag discharge port (6) is connected to the top of the annular filter screen (3), a liftable pressurized lifting plate (7) is installed at the bottom of the annular filter screen (3), a motor (8) is installed at the center of the power unit base (1), a square rotating connecting rod (9) is installed at the center of the pressurized lifting plate (7) through a bearing, and the bottom of the square rotating connecting rod (9) is connected to the motor (8), a sliding sleeve (10) is installed on the square rotating connecting rod (9), and the sliding sleeve (10) is located above the pressurized lifting plate (7), and a stirring blade (11) is installed on the side of the sliding sleeve (10).

2. The papermaking screening and purification device according to claim 1, characterized in that: The papermaking screening and purification device further comprises a push rod motor (12), wherein the push rod motor (12) is installed on both left and right sides of the inside of the power unit base (1), and the top push rod of the push rod motor (12) is connected to both sides of the bottom of the pressurized lifting plate (7), and drives the pressurized lifting plate (7) to rise and fall in the annular filter screen (3).

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