Defoaming device for clean production of papermaking

By combining a linear drive mechanism and a defoaming agitation component, agitation and vibration are used to eliminate air bubbles in the papermaking liquid, solving the problem of loose connections in existing devices, achieving more efficient defoaming effect and convenient maintenance, and improving the stability of the equipment.

CN223688697UActive Publication Date: 2025-12-19SHENGDA GROUP JIANGSU SHUANGDENG PAPER INDUSTRY CO LTD
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Patent Information

Application Number
CN202520305943.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2025-12-19
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

In existing papermaking clean production defoaming devices, the vibration force of the stirring structure can easily cause the connections to loosen during use, affecting the stability and ease of maintenance of the equipment.

Method used

The system employs a linear drive mechanism and a defoaming agitator in conjunction with a vibration motor to scientifically and stably eliminate air bubbles in the liquid through agitation and vibration. The linear drive mechanism drives the defoaming agitator to move linearly, and the rotation of the agitator plate is achieved through a servo motor-driven active and driven gear system. Combined with a conical part and a shearing hole, the air bubbles are punctured.

Benefits of technology

It improves defoaming efficiency, ensures stable equipment connection and convenient maintenance, and enhances the practicality of the defoaming device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a defoaming device for clean papermaking production, which belongs to the technical field of papermaking production and comprises a defoaming box, two fixing blocks are fixed at the top of the defoaming box, and a linear driving mechanism is fixedly mounted between the tops of the two fixing blocks. A linear moving sliding block capable of being driven by the linear driving mechanism to linearly move is slidably mounted on the linear driving mechanism, a defoaming stirring assembly is mounted at the bottom of the linear moving sliding block, and a water inlet pipe and a water outlet pipe are fixed to the upper portion and the lower portion of the outer side of the defoaming box correspondingly; and two vibration motors symmetrically distributed front and back are fixedly installed on the outer side of the defoaming box, the defoaming stirring assembly comprises a fixed box fixed to the bottom of the linear moving sliding block, the bottom of the fixed box is rotationally connected with a driving rod through a bearing, and a servo motor is fixedly installed on the inner bottom wall of the fixed box. According to the defoaming device for clean production of papermaking, bubbles in liquid can be more scientifically and stably eliminated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking production technical field, concretely is a kind of defoaming device of papermaking clean production. BACKGROUND

[0002] Defoaming is to take certain measures to break the foam formed or reduce the thickness of foam layer, and there are many commonly used defoaming methods, such as physical defoaming method, mechanical defoaming method, chemical defoaming method and natural defoaming method. In the papermaking process, a large amount of waste liquid will be generated, and many foams will be generated on the surface of the waste liquid. In order to facilitate waste liquid collection and waste gas treatment, a defoaming device is often used to eliminate foam with defoaming agent.

[0003] According to the defoaming device for papermaking clean production disclosed in Chinese patent publication No. CN221255041 U, the patent can add chemical agent for eliminating foam to the waste liquid through the spraying assembly, and the first motor drives the transmission shaft to rotate, which can make the first branch plate agitate the papermaking waste liquid, so that it can fully mix with the chemical agent, improve the defoaming effect, and use the vibrator to make the first branch plate vibrate when stirring, which is beneficial to eliminate foam. The position of the first branch plate can be adjusted by the moving car and the moving rail, which is beneficial to expand the stirring range and improve the use effect of the equipment.

[0004] However, the patent still has some shortcomings in actual use. Although the vibrator and the first branch plate can eliminate foam by vibration, the vibration force will also be transmitted, which is not conducive to maintaining the effective and stable connection state of the connection for a long time. In order to realize the vibration of the defoaming box, the structure arranged on the outside is more, which is not convenient for layout and maintenance. To solve the above problems, the present application provides a defoaming device for papermaking clean production. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] In view of the shortcomings of the prior art, the utility model provides a defoaming device for papermaking clean production, which has the advantages of being able to eliminate bubbles in liquid more scientifically and stably, and solves the problem that the defoaming device for papermaking clean production in the prior art can achieve good defoaming effect in actual use, but the vibration force of the stirring structure can cause the connection to loosen.

[0007] (II) Technical scheme

[0008] In order to realize the above-mentioned can more scientific and stable to the bubble in the liquid is eliminated, the utility model provides the following technical scheme: a papermaking clean production defoaming device, including defoaming box, the top of defoaming box is fixed with two fixed blocks, the top between two fixed blocks is fixedly installed with linear drive mechanism, the linear drive mechanism is slidably installed with the linear movement slider that can be driven to move linearly, the bottom of linear movement slider is installed with defoaming stirring subassembly, the top and the lower side of the outside of defoaming box are fixed with water inlet pipe and water outlet pipe respectively, the outside of defoaming box is fixedly installed with two vibration motors that are front and back symmetry distribution,

[0009] The defoaming stirring subassembly includes a fixed box fixed to the bottom of the linear movement slider, a driving rod rotatably connected to the bottom of the fixed box through a bearing, a servo motor fixedly installed on the inner bottom wall of the fixed box, a driven gear fixedly installed on the outer side of the driving rod, a driving gear fixedly installed on the output shaft of the servo motor, a connecting plate fixed to the bottom end of the driving rod, a plurality of stirring plates fixed to the bottom of the connecting plate, a plurality of shear holes evenly distributed on the outer side of the stirring plates, and a plurality of conical pieces fixed to the outer side of the stirring plates.

[0010] Further, the linear drive mechanism includes a support frame, a slide rail, two drive shafts, two synchronous wheels, a synchronous belt, and a stepper motor. The drive shafts are rotatably connected to the inside of the support frame through bearings. The synchronous wheels are fixed to the outer sides of the corresponding drive shafts. The synchronous belt is meshingly connected between the outer sides of the two synchronous wheels. The stepper motor is fixedly installed on the outer side of the support frame, and its output shaft penetrates the outer side of the support frame and is fixedly connected to the end of one of the drive shafts.

[0011] Further, the linear movement slider is slidably connected to the outer side of the slide rail, and the outer side of the synchronous belt is fixedly connected to the outer side of the linear movement slider.

[0012] Further, the top end of the driving rod penetrates the bottom of the fixed box and is rotatably connected to the inner top wall of the fixed box through a bearing.

[0013] Further, the outer side of the driven gear meshes with the outer side of the driving gear, and the diameter of the driving gear is smaller than the diameter of the driven gear.

[0014] Further, the plurality of stirring plates are arranged at equal distances, and the bottom ends of the stirring plates extend into the interior of the defoaming box.

[0015] Further, the side of the conical piece away from the corresponding stirring plate is conical, two groups of shear holes are formed on the outer side of each stirring plate, the number of shear holes in each group is not less than ten, and a control valve is fixedly installed on the water outlet pipe and communicates with the interior thereof.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, the papermaking clean production defoaming device has the following beneficial effects:

[0018] The papermaking clean production defoaming device can more scientifically and stably eliminate the bubbles in the liquid by the cooperation between the linear drive mechanism on the top of the defoaming box, the defoaming stirring assembly and the vibration motor outside, and by the cooperation of the stirring action and the sharp result, the bubbles can be pierced in the process of movement, thereby improving the defoaming efficiency, and at the same time, the external vibration structure can make the device outside simply vibrate a certain amount, thereby facilitating the movement of the bubbles on the inner wall and helping the defoaming work to be efficiently carried out, thereby effectively improving the practicability of the papermaking clean production defoaming device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a schematic view of the defoaming stirring assembly in the structure of the utility model;

[0021] Figure 3 It is a structural schematic view of the utility model Figure 2 It is a connection structure schematic view of the driven gear in the structure of the utility model.

[0022] In the figure: 1 defoaming box, 2 fixed block, 3 linear drive mechanism, 4 linear movement sliding block, 500 defoaming stirring assembly, 501 fixed box, 502 driving rod, 503 servo motor, 504 driven gear, 505 driving gear, 506 connecting plate, 507 stirring plate, 508 shearing hole, 509 conical part, 6 water inlet pipe, 7 water outlet pipe, 8 vibration motor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1 to 3The utility model provides a technical scheme: a papermaking clean production's defoaming device, including defoaming box 1, the top of defoaming box 1 is fixed with two fixed blocks 2, and the top between two fixed blocks 2 is fixedly installed with linear drive mechanism 3, and the linear drive mechanism 3 is slidably installed with the linear movement sliding block 4 that can be driven to carry out linear movement, and the bottom of linear movement sliding block 4 is installed with defoaming agitating subassembly 500, and the top and the bottom of defoaming box 1 outside are fixed with water inlet pipe 6 and water outlet pipe 7 respectively, and the outside of defoaming box 1 is fixedly installed with two vibration motors 8 that are front and back symmetry distribution;Through the cooperation between the linear drive mechanism 3 of defoaming box 1 top and defoaming agitating subassembly 500 and the vibration motor 8 of outside, the bubble in liquid can be eliminated more scientific and stable, through the action of agitating cooperation sharp result, can play the stirring effect in the process of movement still can the bubble be punctured, and then the defoaming efficiency of improvement, simultaneously, through setting up the vibration structure of outside, can make the device outside simple produce certain amount of vibration, and then facilitate the movement of bubble on the inner wall, help defoaming work efficient, thereby effectively improve the practicality of papermaking clean production defoaming device.

[0025] Need to explain, linear drive mechanism 3 includes support frame, slide rail, two drive shafts, two synchronous wheels, synchronous belt and step motor, and the drive shaft is rotatably connected to the inside of support frame through bearing, and the synchronous wheel is fixed to the outside of corresponding drive shaft, and the synchronous belt is engagedly connected between the outside of two synchronous wheels, and the step motor is fixedly installed on the outside of support frame, and its output shaft penetrates the outside of support frame and is fixedly connected with the end of one of drive shafts, and the linear movement sliding block 4 is slidably connected to the outside of slide rail, and the outside of synchronous belt is fixedly connected with the outside of linear movement sliding block 4, so that the synchronous belt can pull the linear movement sliding block 4 to move linearly on the outside of slide rail during transmission, and the control valve is fixedly installed on the water outlet pipe 7 and is communicated with the inside thereof, and the control valve can control the opening and closing of the inside of water outlet pipe 7, so that the liquid after defoaming can be discharged.

[0026] The defoaming agitating subassembly 500 in the embodiment is a structure for puncturing the bubbles in the liquid to accelerate the bubble discharge efficiency.

[0027] As Figure 1 , Figure 2 and Figure 3As shown, the defoaming stirring assembly 500 comprises a fixed box 501 fixed to the bottom of the linear moving slider 4, the bottom of the fixed box 501 is rotatably connected with a driving rod 502 through a bearing, the inner bottom wall of the fixed box 501 is fixedly installed with a servo motor 503, the outer side of the driving rod 502 is fixedly installed with a driven gear 504, the output shaft of the servo motor 503 is fixedly installed with a driving gear 505, the bottom end of the driving rod 502 is fixed with a connecting plate 506, the bottom of the connecting plate 506 is fixed with a plurality of stirring plates 507, the outer side of the stirring plate 507 is provided with uniformly distributed shear holes 508, and the outer side of the stirring plate 507 is fixed with a plurality of conical parts 509.

[0028] It should be noted that the top end of the driving rod 502 penetrates through the bottom of the fixed box 501 and is rotatably connected with the inner top wall of the fixed box 501 through a bearing, so that the driving rod 502 can stably rotate, the outer side of the driven gear 504 is meshed with the outer side of the driving gear 505, the diameter of the driving gear 505 is smaller than that of the driven gear 504, so that the rotation rates of the driving gear 505 and the driven gear 504 can be different, facilitating gentle stirring work.

[0029] In addition, the plurality of stirring plates 507 are arranged at equal distances, the bottom end of the stirring plate 507 extends to the inside of the defoaming box 1, so that the stirring plate 507 can effectively stir the liquid in the defoaming box 1, and the side away from the corresponding stirring plate 507 of the conical part 509 is conical, so that when the stirring plate 507 is driven to rotate, it can realize the piercing work of the bubbles through the conical part 509, and the outer side of each stirring plate 507 is provided with two groups of shear holes 508, and the number of each group of shear holes 508 is not less than ten, so that the shear holes 508 can scratch the bubbles, thereby helping the gas to be discharged.

[0030] The working principle of the above embodiment is as follows:

[0031] When the liquid generated in papermaking is defoamed, the liquid is delivered into the inside of the defoaming box 1 through the water inlet pipe 6, and the defoaming agent is sprayed thereinto, the vibration motor 8 is started to make the defoaming box 1 vibrate, so that the bubbles attached to the inner wall can be offset by vibration, thereby helping the bubbles to float upward, the servo motor 503 is started to drive the driving gear 505 to rotate, so that the driven gear 504 rotates, thereby rotating the driving rod 502 and driving the connecting plate 506 to rotate, and the rotating stirring plate 507 can help the defoaming agent and the liquid to be fully mixed, and the bubbles can be pierced under the cooperation between the shear holes 508 and the conical parts 509, thereby improving the defoaming efficiency and actual effect, the linear driving mechanism 3 is started to drive the linear moving slider 4 to move, so that the stirring plate 507 is driven to move in the inside of the defoaming box 1, and the overall defoaming work is realized.

[0032] Compared with the prior art, the defoaming device for papermaking clean production can more scientifically and stably eliminate the bubbles in the liquid through the cooperation between the linear driving mechanism 3 at the top of the defoaming box 1 and the defoaming stirring assembly 500 and the external vibration motor 8, and through the cooperation of the stirring action and the sharp result, the bubbles can be pierced in the process of movement, thereby improving the defoaming efficiency, and through the setting of the external vibration structure, a certain amount of vibration can be generated outside the device, thereby facilitating the movement of the bubbles on the inner wall and helping the defoaming work to be carried out efficiently, thereby effectively improving the practicability of the defoaming device for papermaking clean production, and solving the problem that the defoaming device for papermaking clean production in the prior art can have good defoaming effect in actual use, but the vibration force of the stirring structure can easily cause the connection to be loose.

[0033] The electrical components in the text are all electrically connected with the main control unit and the power supply, and the power supply belongs to the common knowledge in the art. The main control unit can be a conventional known device such as a computer, which can be realized through simple programming by those skilled in the art, and all are existing public power connection technologies, which will not be described in detail.

[0034] It should be noted that the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application.

Claims

1. A defoaming device for clean production in papermaking, comprising a defoaming tank (1), characterized in that: The top of the defoaming tank (1) is fixed with two fixed blocks (2), the top of the two fixed blocks (2) is fixedly installed with a linear drive mechanism (3), the linear drive mechanism (3) is slidably installed with a linear moving slider (4) capable of being driven to move linearly, the bottom of the linear moving slider (4) is installed with a defoaming stirring assembly (500), the upper and lower sides of the outer side of the defoaming tank (1) are fixedly installed with a water inlet pipe (6) and a water outlet pipe (7) respectively, and the outer side of the defoaming tank (1) is fixedly installed with two vibration motors (8) which are symmetrically distributed front and back. The defoaming stirring assembly (500) comprises a fixed box (501) fixed to the bottom of the linear moving slider (4), a driving rod (502) rotatably connected to the bottom of the fixed box (501) through a bearing, a servo motor (503) fixedly installed on the inner bottom wall of the fixed box (501), a driven gear (504) fixedly installed on the outer side of the driving rod (502), a driving gear (505) fixedly installed on the output shaft of the servo motor (503), a connecting plate (506) fixed to the bottom end of the driving rod (502), and a plurality of stirring plates (507) fixed to the bottom of the connecting plate (506). The outer side of the stirring plate (507) is provided with uniformly distributed shear holes (508), and the outer side of the stirring plate (507) is fixedly provided with a plurality of conical parts (509).

2. A clean production defoaming device for papermaking according to claim 1, characterized in that: The linear drive mechanism (3) comprises a support frame, a slide rail, two drive shafts, two synchronous wheels, a synchronous belt and a stepping motor. The drive shafts are rotatably connected to the inside of the support frame through bearings. The synchronous wheels are fixed to the outer sides of the corresponding drive shafts. The synchronous belt is meshingly connected between the outer sides of the two synchronous wheels. The stepping motor is fixedly installed on the outer side of the support frame, and its output shaft penetrates the outer side of the support frame and is fixedly connected with the end of one of the drive shafts.

3. A clean production defoaming device for papermaking according to claim 2, characterized in that: The linear moving slider (4) is slidably connected to the outer side of the slide rail, and the outer side of the synchronous belt is fixedly connected with the outer side of the linear moving slider (4).

4. A clean production defoaming device for papermaking according to claim 1, characterized in that: The top end of the driving rod (502) penetrates the bottom of the fixed box (501) and is rotatably connected with the inner top wall of the fixed box (501) through a bearing.

5. A clean production defoaming device for papermaking according to claim 1, characterized in that: The outer side of the driven gear (504) is meshed with the outer side of the driving gear (505), and the diameter of the driving gear (505) is smaller than that of the driven gear (504).

6. A clean production defoaming device for papermaking according to claim 1, characterized in that: A plurality of stirring plates (507) are arranged at equal distances, and the bottom end of the stirring plate (507) extends into the inside of the defoaming tank (1).

7. A clean production defoaming device for papermaking according to claim 1, characterized in that: The side away from the corresponding stirring plate (507) of the conical part (509) is conical, two groups of shear holes (508) are formed on the outer side of each stirring plate (507), the number of shear holes (508) in each group is not less than ten, and a control valve is fixedly installed on the water outlet pipe (7) and communicates with the inside thereof.

Citation Information

Patent Citations

  • Defoaming device for clean production of papermaking

    CN221255041U