Paper pulp defoaming device

By designing a pulp defoaming device including a detachable vacuum tank, a stirring system and a magnetic suction connection, the problem of inconvenient installation and poor sealing performance of vacuum tanks in the prior art is solved, and the bubble removal rate in the pulp is improved and the sealing property is ensured.

CN222878402UActive Publication Date: 2025-05-16WEIHAI LONGGANG PAPER IND CO LTD
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Patent Information

Application Number
CN202421920924.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-05-16
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

The vacuum tanks of existing pulp defoaming devices are not convenient for installation and disassembly and cleaning. The vacuum pump does not remove bubbles from the pulp, and the aging of the sealing strip leads to damage to the sealing performance.

Method used

A pulp defoaming device including a support body, a detachable vacuum tank, a vacuum pump and a stirring system is designed. The pulp is stirred by stirring the leaves, and the lower bubbles are stirred to the upper layer for vacuum defoaming treatment, thereby increasing the bubble removal rate. At the same time, the magnetic connection between the annular stop and the washer is used to ensure the long-term sealing of the vacuum tank.

Benefits of technology

It realizes convenient disassembly and cleaning of vacuum tanks, improves bubble removal rate in pulp, and ensures long-term airtightness inside the vacuum tank.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of paper pulp processing equipment, in particular to a paper pulp defoaming device which comprises a supporting body, the top end of a vertical plate of the supporting body is rotationally connected with a pipeline support, and a through hole is formed in the pipeline support. A vacuum tank is slidably connected to the inner side of a vertical plate of the supporting body, a vacuum pump is connected to the side wall of the vacuum tank, a cover plate is detachably connected to the top end of the vacuum tank, a slurry inlet and a stirring motor are fixedly connected to the cover plate, and a gasket is fixedly connected to the bottom of the vacuum tank. A slurry passing opening is formed in a horizontal plate of the supporting body and connected with a valve, and the valve is connected with a slurry outlet. Supporting legs are fixedly connected to the two sides of the bottom end of the supporting body horizontal plate. The vacuum tank is convenient to mount and dismount, paper pulp is stirred through the stirring blades, bubbles on the lower layer of the paper pulp are stirred to the upper layer for vacuum bubble removal treatment, and the bubble extraction rate in the paper pulp is increased; and through magnetic connection and cooperation of the annular stop block and the gasket, connection is convenient, and meanwhile long-term leakproofness of the interior of the vacuum tank is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of pulp processing equipment, in particular to a pulp degassing device. Background Art

[0002] Bubbles are generated during the pulp manufacturing process, which will affect the quality of pulp molding. Therefore, a degassing device is needed to remove bubbles in the pulp. The degassing device includes a vacuum degassing device, which includes a vacuum tank and a vacuum pump. The vacuum tank in the prior art is not convenient to install and clean, and the vacuum pump has a low efficiency in removing bubbles from the pulp. In addition, the vacuum tank and the pulp outlet are often sealed and connected by a sealing strip. After a long time, the sealing strip is prone to aging, resulting in impaired sealing performance. Utility Model Content

[0003] The purpose of the present application is to provide a pulp degassing device, aiming to solve the above-mentioned problems in the prior art.

[0004] The present application provides a pulp degassing device, comprising a supporting body, wherein the top end of a vertical plate of the supporting body is rotatably connected to a pipe bracket through a rotating shaft, and a through hole is provided on the pipe bracket that runs through the upper and lower surfaces thereof; a vacuum tank is slidably and detachably connected to the inner side of the vertical plate of the supporting body, a vacuum pump is fixedly connected to the side wall of the vacuum tank, a cover plate is detachably connected to the top end of the vacuum tank, a pulp inlet and a stirring motor are fixedly connected to the cover plate, a stirring rod is fixedly connected to the shaft of the stirring motor, a stirring blade is fixedly connected to the stirring rod, the stirring rod and the stirring blade are located inside the vacuum tank, and a gasket is fixedly connected to the bottom of the vacuum tank; a pulp passage opening that runs through the upper and lower surfaces of the supporting body is provided on the horizontal plate of the supporting body, the pulp passage opening is connected to the inside of the vacuum tank, a valve is fixedly connected to the end of the pulp passage opening away from the gasket, and a pulp outlet is fixedly connected to the end of the valve away from the pulp passage opening; supporting feet are fixedly connected to both sides of the bottom end of the horizontal plate of the supporting body.

[0005] Furthermore, the inner diameter of the through hole is equal to or slightly larger than the inner diameter of the slurry inlet, and the through hole is located directly above the slurry inlet.

[0006] Furthermore, a T-shaped slide bar is fixedly connected to the vertical plate of the support body, and the T-shaped slide bar is slidably and detachably connected to a slide groove fixedly connected to the side wall of the vacuum tank.

[0007] Furthermore, the gasket is a double-ring type, and a magnet is fixedly connected to the inner wall of the inner ring.

[0008] Furthermore, an annular stopper is fixedly connected to the horizontal plate of the supporting body, and the inner diameter of the annular stopper is equal to the inner diameter of the pulp passage port.

[0009] Furthermore, the annular stopper is filled with a magnet that is magnetically matched with the magnet.

[0010] The beneficial effects of the utility model are as follows: the vacuum tank of the utility model is easy to install and disassemble, and the bubbles in the lower layer of the pulp are stirred to the upper layer by the stirring blades for vacuum degassing, thereby improving the bubble extraction rate in the pulp; the magnetic connection between the annular stopper and the gasket ensures the long-term airtightness of the inside of the vacuum tank while facilitating the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0012] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0013] Figure 3 This is a schematic diagram of the chute structure.

[0014] In the figure:

[0015] 1-support body; 2-pipe support; 3-through hole; 4-slurry inlet; 5-vacuum tank; 6-vacuum pump; 7-cover plate; 8-stirring motor; 9-stirring rod; 10-stirring blade; 11-gasket; 12-slurry outlet; 13-valve; 14-slurry outlet; 15-support foot; 16-T-shaped slide bar; 17-slide groove; 18-magnet; 19-ring block. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] like Figure 1-3A pulp degassing device shown in the figure comprises a supporting body 1, the top end of the vertical plate of the supporting body 1 is rotatably connected to a pipe bracket 2 through a rotating shaft, the pipe bracket 2 is provided with a through hole 3 penetrating the upper and lower surfaces thereof, the pulp inlet hose is connected to the pulp inlet 4 through the through hole 3, the pipe bracket 2 is used to support the pulp inlet hose to prevent the pulp inlet hose from bending and causing the pulp inlet hose to separate from the pulp inlet 4; a vacuum tank 5 is slidably and detachably connected to the inner side of the vertical plate of the supporting body 1, a vacuum pump 6 is fixedly connected to the side wall of the vacuum tank 5, a cover plate 7 is detachably connected to the top end of the vacuum tank 5, the pulp inlet 4 and a stirring motor 8 are fixedly connected to the cover plate 7, the machine shaft of the stirring motor 8 is fixedly connected to a stirring rod 9, the stirring rod 9 is fixedly connected to a stirring blade 10, the stirring rod 9 and the stirring blade 10 are located inside the vacuum tank 5, and the bubbles in the lower layer of the pulp are stirred to the upper layer for vacuum degassing treatment, thereby improving the bubble extraction rate in the pulp. A gasket 11 is fixedly connected to the bottom of the vacuum tank 5; a pulp passage 12 is opened on the horizontal plate of the supporting body 1 and passes through its upper and lower surfaces, the pulp passage 12 is connected to the inside of the vacuum tank 5, and a valve 13 is fixedly connected to the end of the pulp passage 12 away from the gasket 11, and the valve 13 is used to control the pulp flow rate, and a pulp outlet 14 is fixedly connected to the end of the valve 13 away from the pulp passage 12; supporting feet 15 are fixedly connected to both sides of the bottom end of the horizontal plate of the supporting body 1, and the supporting feet 15 are used to place the device on a collecting device.

[0018] The inner diameter of the through hole 3 is equal to or slightly larger than the inner diameter of the slurry inlet 4 , and the through hole 3 is located directly above the slurry inlet 4 .

[0019] A T-shaped slide bar 16 is fixedly connected to the vertical plate of the support body 1 , and the T-shaped slide bar 16 is slidably and detachably connected to a slide groove 17 fixedly connected to the side wall of the vacuum tank 5 .

[0020] The washer 11 is a double-ring type, and a magnet 18 is fixedly connected to the inner wall of the inner ring.

[0021] An annular stopper 19 is fixedly connected to the horizontal plate of the support body 1 , and the inner diameter of the annular stopper 19 is equal to the inner diameter of the pulp passage port 12 .

[0022] The annular stopper 19 is filled with a magnet that cooperates with the magnet 18 by magnetic attraction. The annular stopper 19 is magnetically connected with the gasket 11, which facilitates the connection and ensures the long-term airtightness of the vacuum tank 5.

[0023] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A pulp degassing device, characterized in that: The invention comprises a supporting body, wherein the top end of the vertical plate of the supporting body is rotatably connected to a pipe bracket through a rotating shaft, and the pipe bracket is provided with a through hole penetrating the upper and lower surfaces thereof; the inner side of the vertical plate of the supporting body is slidably and detachably connected to a vacuum tank, the side wall of the vacuum tank is fixedly connected to a vacuum pump, the top of the vacuum tank is detachably connected to a cover plate, a slurry inlet and a stirring motor are fixedly connected to the cover plate, the shaft of the stirring motor is fixedly connected to a stirring rod, the stirring rod is fixedly connected to a stirring blade, the stirring rod and the stirring blade are located inside the vacuum tank, and a gasket is fixedly connected to the bottom of the vacuum tank; a slurry passage through the upper and lower surfaces is provided on the horizontal plate of the supporting body, the slurry passage is connected to the inside of the vacuum tank, the end of the slurry passage away from the gasket is fixedly connected to a valve, and the end of the valve away from the slurry passage is fixedly connected to a slurry outlet; both sides of the bottom end of the horizontal plate of the supporting body are fixedly connected to supporting feet.

2. A pulp degassing device according to claim 1, characterized in that: The inner diameter of the through hole is equal to or greater than the inner diameter of the slurry inlet, and the through hole is located directly above the slurry inlet.

3. A pulp degassing device according to claim 1, characterized in that: A T-shaped slide bar is fixedly connected to the vertical plate of the support body, and the T-shaped slide bar is slidably and detachably connected to a slide groove fixedly connected to the side wall of the vacuum tank.

4. A pulp degassing device according to claim 1, characterized in that: The gasket is a double-ring type, and a magnet is fixedly connected to the inner wall of the inner ring.

5. A pulp degassing device according to claim 4, characterized in that: An annular stopper is fixedly connected to the horizontal plate of the supporting body, and the inner diameter of the annular stopper is equal to the inner diameter of the pulp passage port.

6. A pulp degassing device according to claim 5, characterized in that: The annular stopper is filled with a magnet that cooperates with the magnet by magnetic attraction.