Graded filtering type defoaming agent processing and filtering device

By designing a graded filtration defoamer processing and filtration device, which adopts a multi-stage filter screen and a stirring blade scraper structure, the problems of low defoamer filtration efficiency and the impact of mixing and separation on efficiency are solved, thus achieving high-efficiency defoamer processing.

CN223901364UActive Publication Date: 2026-02-13ZHENGZHOU XUNDA SPECIAL MATERIALS FACTORY
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Patent Information

Application Number
CN202520512144.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-13
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Existing defoamer processing and filtration devices have low filtration efficiency and are prone to clogging. Furthermore, the mixing and filtration processes are separated, which affects processing efficiency.

Method used

A graded filtration defoamer processing and filtration device is designed, which adopts a multi-stage filter structure, including a first filter and a second filter. The mixing and preliminary filtration are carried out by a rotating shaft driving the stirring blade and scraper to remove large particulate impurities. Then, the defoamer undergoes secondary filtration through the second filter, thus realizing multi-stage filtration of the defoamer.

Benefits of technology

It improves the filtration efficiency of defoamers, realizes the integrated operation of mixing and filtration, and enhances the processing efficiency of defoamers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of defoaming agent processing, in particular to a graded filtering type defoaming agent processing and filtering device which comprises a tank body with an opening structure at the upper end, a tank cover is movably connected to the upper end of the tank body, a first filter screen is slidably connected to the interior of the tank body, and the outer wall of the first filter screen abuts against the inner wall of the tank body. A rotating shaft is rotationally connected between the first filter screen and the tank cover, a plurality of stirring blades are driven by the rotating shaft to stir and mix various solid and liquid defoaming agent raw materials, after mixing and stirring are completed, the defoaming agent raw materials are preliminarily filtered through the first filter screen, and the defoaming agent is secondarily filtered through the second filter screen; then the defoaming agent subjected to secondary filtering is discharged through a discharging pipe, and then the defoaming agent is subjected to multi-stage filtering through a first filtering net and a second filtering net, so that the defoaming agent filtering efficiency is improved, the defoaming agent is mixed and filtered at a time, and therefore a mixing device and a filtering device of the defoaming agent are integrally arranged; the processing efficiency of the defoaming agent is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to defoaming agent processing technical field, concretely is a kind of hierarchical filtering formula defoaming agent processing filter device. BACKGROUND

[0002] Papermaking, one of the four great inventions of China, papermaking defoaming agent is designed for the papermaking industry papermaking process foaming characteristics, using this product can effectively control pulp, foam overflow and improve papermaking quality. Widely used in papermaking system defoaming, also can be used for papermaking wastewater treatment, antifreeze, distillation system defoaming, when making defoaming agent, the mixed defoaming agent needs to be filtered.

[0003] The existing defoaming agent processing filter device filters impurities, generally filters the impurities in the defoaming agent by a single filter screen. Since the mixed defoaming agent is in a liquid state and is stirred by stirring blades during the mixing process, the stirring blades will stir some impurities in the defoaming agent, and at the same time, some defoaming agent raw materials adsorbed on the outer wall of the impurities will also dissolve in the defoaming agent, thereby causing some impurities in the defoaming agent to become smaller. Therefore, a filter screen with a smaller mesh size is needed to filter the defoaming agent. However, the filtering efficiency of a filter screen with a small mesh size is low, and it is easily clogged by a large amount of impurities, further affecting the filtering efficiency. At the same time, the current defoaming agent filtering process requires the mixed defoaming agent to be transported into the filter device for filtering, without integrating mixing and filtering, and requiring manual and time during the transportation process, which seriously affects the processing efficiency of the defoaming agent. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of hierarchical filtering formula defoaming agent processing filter device, with the characteristics of multi-stage filtering of defoaming agent to improve defoaming agent filtering efficiency, integrating mixing and filtering to improve defoaming agent processing efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of hierarchical filtering formula defoaming agent processing filter device, including the tank body of the open structure of upper end, the upper end of the tank body is movably connected with tank cover, the inside of the tank body is slidably connected with first filter screen, the outer wall of the first filter screen is in abutment with the inner wall of tank body, the first filter screen is rotatably connected with the shaft between tank cover, the outer wall of the shaft is fixedly connected with a plurality of evenly distributed stirring blades, the outer wall of the shaft is fixedly connected with the scraper below a plurality of stirring blades, and in abutment with the upper end surface of first filter screen;

[0006] The lower end of the tank body is communicated with a discharge pipe, an electromagnetic valve is mounted on the outer wall of the discharge pipe, a mounting pipe is threadedly connected to the lower end of the discharge pipe, a placing plate is fixedly connected to the inner wall of the mounting pipe below the discharge pipe, a second filter screen abutting against the lower end of the discharge pipe is detachably connected to the upper end surface of the placing plate, and the mesh number of the first filter screen is smaller than that of the second filter screen.

[0007] In order to drive the tank cover to move, preferably, the outer wall of the tank body is fixedly connected with a support plate, the outer wall of the tank cover is fixedly connected with two symmetrically distributed fixing blocks, and a plurality of multi-stage electric telescopic rods are fixedly connected between the support plate and the two fixing blocks.

[0008] In order to drive the rotating shaft to rotate, preferably, the upper end surface of the tank cover is mounted with a motor, and the output end of the motor is fixedly connected with the rotating shaft.

[0009] In order to limit the first filter screen, preferably, the outer wall of the first filter screen and the inner wall of the tank body are slidably connected through a limiting sliding block and a limiting sliding groove.

[0010] In order to facilitate the addition of defoaming agent raw materials into the tank body, preferably, the upper end surface of the tank cover is fixedly connected with a feeding pipe communicated with the tank body.

[0011] In order to seal between the tank cover and the tank body, preferably, the lower end surface of the tank cover is fixedly connected with a sealing gasket abutting against the upper end of the tank body.

[0012] In order to support the tank body, preferably, the lower end surface of the support plate is fixedly connected with a plurality of evenly distributed supporting legs.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] The solid and liquid defoaming agent raw materials are stirred and mixed by the rotating shaft and multiple stirring blades, after the mixing and stirring are completed, the defoaming agent is preliminarily filtered through the first filter screen, the first filter screen can filter some large-particle impurities in the defoaming agent, simultaneously, the scraper scrapes the large-particle impurities on the first filter screen, prevents the large-particle impurities from blocking the first filter screen and affecting the filtering efficiency of the defoaming agent, the defoaming agent is secondarily filtered through the second filter screen, the second filter screen filters a small amount of small-particle impurities remaining in the defoaming agent, then the defoaming agent after the secondary filtration is discharged through the discharge pipe, and thus the defoaming agent is filtered through multiple levels of the first filter screen and the second filter screen, so that the filtering efficiency of the defoaming agent is improved, and the mixing and filtering processes of the defoaming agent are completed at one time, so that the mixing device and the filtering device of the defoaming agent are integrally arranged, and the processing efficiency of the defoaming agent is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic diagram of the utility model;

[0016] Fig. 2 It is a front view tank cover contraction state section structure schematic diagram of the utility model;

[0017] Fig. 3 It is a front view tank cover opening state section structure schematic diagram of the utility model.

[0018] In the drawing: 1, tank body;2, tank cover;3, first filter screen;4, rotating shaft;5, stirring blade;6, scraper;7, discharge pipe;8, electromagnetic valve door;9, installation pipe;10, placing plate;11, second filter screen;12, support plate;13, fixed block;14, multiple stage electric telescopic rod;15, motor;16, feed pipe;17, sealing gasket;18, support leg. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is further detailed to the utility model by combining with the drawing and example.It should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the utility model.In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.It is understood that, in the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0020] Please refer to Figs. 1 to 3 The utility model provides a kind of hierarchical filtering type defoaming agent processing filter device, including the open structure of tank body 1 in upper end, the upper end of tank body 1 is movably connected with tank cover 2, the inside of tank body 1 is slidably connected with first filter screen 3, the outer wall of first filter screen 3 is in abutment with the inner wall of tank body 1, rotatingly connected with the shaft 4 between first filter screen 3 and tank cover 2, the outer wall of shaft 4 is fixedly connected with multiple evenly distributed stirring blades 5, the outer wall of shaft 4 is fixedly connected with scraper 6 located below multiple stirring blades 5, and in abutment with the upper end surface of first filter screen 3;

[0021] The lower end of tank body 1 is communicated with discharge pipe 7, and the outer wall of discharge pipe 7 is provided with solenoid valve 8, and the lower end of discharge pipe 7 is threadedly connected with mounting pipe 9, the inner wall of mounting pipe 9 is fixedly connected with placing plate 10 located below discharge pipe 7, and the upper end surface of placing plate 10 is detachably connected with second filter screen 11 in abutment with the lower end of discharge pipe 7, and the mesh number of first filter screen 3 is less than that of second filter screen 11.

[0022] In the embodiment: when using, multiple solid and liquid defoaming agent raw materials are added into tank body 1 through feeding pipe 16, so that the multiple solid and liquid defoaming agent raw materials are located above first filter screen 3, then shaft 4 rotates, shaft 4 drives multiple stirring blades 5 and scraper 6 to rotate, and multiple stirring blades 5 are used to stir and mix multiple solid and liquid defoaming agent raw materials;

[0023] After mixing and stirring are completed, solenoid valve 8 is opened, the defoaming agent after mixing and stirring is passed through first filter screen 3 and enters discharge pipe 7, and then is preliminarily filtered by first filter screen 3, because the mesh number of first filter screen 3 is less than that of second filter screen 11, some large-particle impurities in the defoaming agent can be filtered by first filter screen 3, while filtering, scraper 6 scrapes the large-particle impurities on first filter screen 3, to prevent first filter screen 3 from being blocked by the large-particle impurities and affect the filtering efficiency of the defoaming agent, after the defoaming agent enters discharge pipe 7, the defoaming agent passes through second filter screen 11 and is filtered again by second filter screen 11, a small amount of small-particle impurities remaining in the defoaming agent are filtered by second filter screen 11, then the defoaming agent after secondary filtering is discharged through discharge pipe 7, and then the defoaming agent is filtered by first filter screen 3 and second filter screen 11 in multiple stages, to improve the filtering efficiency of the defoaming agent, and then the mixing and filtering processes of the defoaming agent are completed at one time, so that the mixing device and the filtering device of the defoaming agent are integrated, to improve the processing efficiency of the defoaming agent;

[0024] After the defoaming agent is drained, two multi-stage electric telescopic rods 14 are started, the two multi-stage electric telescopic rods 14 drive the tank cover 2 to move upwards in cooperation with the two fixed blocks 13, the tank cover 2 drives the first filter screen 3 to move upwards to the upper end of the tank body 1 in cooperation with the rotating shaft 4, thereby facilitating the cleaning of large-particle impurities on the first filter screen 3, then the mounting pipe 9 is unscrewed from the lower end of the discharge pipe 7, then the second filter screen 11 is taken out and cleaned.

[0025] As a technical optimization scheme of the utility model, the outer wall of the tank body 1 is fixedly connected with a supporting plate 12, the outer wall of the tank cover 2 is fixedly connected with two symmetrically distributed fixed blocks 13, and multi-stage electric telescopic rods 14 are fixedly connected between the supporting plate 12 and the two fixed blocks 13.

[0026] In the embodiment: the two multi-stage electric telescopic rods 14 can drive the tank cover 2 to move.

[0027] As a technical optimization scheme of the utility model, a motor 15 is installed on the upper end face of the tank cover 2, and the output end of the motor 15 is fixedly connected with the rotating shaft 4.

[0028] In the embodiment: the motor 15 can drive the rotating shaft 4 to rotate.

[0029] As a technical optimization scheme of the utility model, the outer wall of the first filter screen 3 is slidably connected with the inner wall of the tank body 1 through a limiting sliding block and a limiting sliding groove.

[0030] In the embodiment: the limiting sliding block and the limiting sliding groove can limit the first filter screen 3, preventing the first filter screen 3 from rotating with the rotating shaft 4.

[0031] As a technical optimization scheme of the utility model, a feeding pipe 16 in communication with the tank body 1 is fixedly connected to the upper end face of the tank cover 2.

[0032] In the embodiment: the feeding pipe 16 facilitates the addition of defoaming agent raw materials into the tank body 1.

[0033] As a technical optimization scheme of the utility model, a sealing gasket 17 abutting against the upper end of the tank body 1 is fixedly connected to the lower end face of the tank cover 2.

[0034] In the embodiment: the sealing gasket 17 can seal between the tank cover 2 and the tank body 1.

[0035] As a technical optimization scheme of the utility model, a plurality of evenly distributed supporting legs 18 are fixedly connected to the lower end face of the supporting plate 12.

[0036] In the embodiment: the supporting legs 18 can support the tank body 1.

[0037] Working principle: when in use, a plurality of solid and liquid defoaming agent raw materials are added into the tank body 1 through the feeding pipe 16, the plurality of solid and liquid defoaming agent raw materials are located above the first filter screen 3, then the motor 15 is started, the motor 15 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the plurality of stirring blades 5 and the scraper 6 to rotate, and the plurality of stirring blades 5 are used for stirring and mixing the plurality of solid and liquid defoaming agent raw materials;

[0038] After the mixing and stirring are completed, the electromagnetic valve 8 is opened, the defoaming agent after mixing and stirring is allowed to pass through the first filter screen 3 and enter the discharge pipe 7, and then the defoaming agent is preliminarily filtered through the first filter screen 3, since the mesh number of the first filter screen 3 is smaller than that of the second filter screen 11, the defoaming agent can be filtered through the first filter screen 3 to remove some large-particle impurities, at the same time, the scraper 6 scrapes the large-particle impurities on the first filter screen 3 to prevent the first filter screen 3 from being blocked by the large-particle impurities and affecting the filtering efficiency of the defoaming agent, when the defoaming agent enters the discharge pipe 7, the defoaming agent passes through the second filter screen 11 and is filtered again through the second filter screen 11, the second filter screen 11 is used for filtering a small amount of small-particle impurities remaining in the defoaming agent, then the defoaming agent after the secondary filtering is discharged through the discharge pipe 7, and then the defoaming agent is filtered through the first filter screen 3 and the second filter screen 11 to improve the filtering efficiency of the defoaming agent, and the mixing and filtering of the defoaming agent are completed at one time, so that the mixing device and the filtering device of the defoaming agent are integrated to improve the processing efficiency of the defoaming agent;

[0039] After the defoaming agent is discharged, the two multi-stage electric telescopic rods 14 are started, the two multi-stage electric telescopic rods 14 drive the tank cover 2 to move upwards in cooperation with the two fixed blocks 13, the tank cover 2 drives the first filter screen 3 to move upwards to the upper end of the tank body 1 in cooperation with the rotating shaft 4, so that the large-particle impurities on the first filter screen 3 are conveniently cleaned, then the mounting pipe 9 is unscrewed from the lower end of the discharge pipe 7, then the second filter screen 11 is taken out and cleaned.

[0040] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hierarchical filtering type defoaming agent processing filter device, comprising a tank body (1) with an open structure at the upper end, a tank cover (2) movably connected to the upper end of the tank body (1), characterized in that: The inner wall of the first filter screen (3) is in abutment with the inner wall of the tank body (1), a rotating shaft (4) is in rotational connection between the first filter screen (3) and the tank cover (2), the outer wall of the rotating shaft (4) is fixedly connected with a plurality of uniformly distributed stirring blades (5), and the outer wall of the rotating shaft (4) is fixedly connected with a scraper (6) located below the plurality of stirring blades (5) and in abutment with the upper end surface of the first filter screen (3); A discharge pipe (7) is in communication with the lower end of the tank body (1), an electromagnetic valve (8) is mounted on the outer wall of the discharge pipe (7), a mounting pipe (9) is threadedly connected to the lower end of the discharge pipe (7), a placement plate (10) is fixedly connected to the inner wall of the mounting pipe (9) and located below the discharge pipe (7), a second filter screen (11) is detachably connected to the upper end surface of the placement plate (10) and in abutment with the lower end of the discharge pipe (7), and the mesh number of the first filter screen (3) is smaller than that of the second filter screen (11).

2. A hierarchical filtration device for processing defoamers according to claim 1, characterized in that: The outer wall of the tank body (1) is fixedly connected with a support plate (12), the outer wall of the tank cover (2) is fixedly connected with two symmetrically distributed fixing blocks (13), and a plurality of multi-stage electric telescopic rods (14) are fixedly connected between the support plate (12) and the two fixing blocks (13).

3. A filter apparatus according to claim 1, wherein: An electric machine (15) is mounted on the upper end surface of the tank cover (2), and the output end of the electric machine (15) is fixedly connected with the rotating shaft (4).

4. A filter apparatus according to claim 1, wherein: The outer wall of the first filter screen (3) is in sliding connection with the inner wall of the tank body (1) through a limiting sliding block and a limiting sliding groove.

5. A filter apparatus according to claim 1, wherein: The upper end surface of the tank cover (2) is fixedly connected with a feeding pipe (16) in communication with the tank body (1).

6. A filter apparatus according to claim 1, wherein: The lower end surface of the tank cover (2) is fixedly connected with a sealing gasket (17) in abutment with the upper end of the tank body (1).

7. A filter apparatus according to claim 2, wherein: The lower end surface of the support plate (12) is fixedly connected with a plurality of uniformly distributed supporting legs (18).