Filtering device for producing polyether polyol

By laying multiple removable filter holes and removable filter barrels on the liquid storage tank, the problem of impurities affecting product quality in polyether polyol production is solved, efficient filtration and convenient operation are achieved, and suitable for sponge production.

CN223112453UActive Publication Date: 2025-07-18JIANGXI HONGSIYUAN SPECIAL FOAM MATERIAL CO LTD
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Patent Information

Application Number
CN202422380849.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-07-18
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

During the existing polyether polyol production process, impurities such as solid impurities and microporous dispersions exist, which affect product quality and subsequent processing. The filtration device is inefficient and difficult to meet the needs of large-scale sponge production.

Method used

A filter device including a liquid storage tank, a filter barrel and an output tube is designed. A plurality of detachable filter holes are arranged in the upper surface of the liquid storage tank in an extended direction, and a detachable filter barrel is equipped to realize multi-point filtration and output the filtered liquid through the output tube.

Benefits of technology

It improves filtration efficiency, reduces maintenance costs, reduces clogging risks, improves product purity and operation convenience, and is suitable for large-scale production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a filtering device for polyether polyol production, which comprises a liquid storage tank, a filtering barrel and an output pipe, the liquid storage tank is provided with a space for accommodating filtered liquid, and the upper surface of the liquid storage tank is provided with a plurality of filtering holes arranged along the extension direction of the liquid storage tank. A filtering barrel for filtering polyether polyol is detachably placed in each filtering hole, and the output pipe is communicated with a space for accommodating liquid in the liquid storage box so as to output the filtered liquid. The filtering device for polyether polyol production has the remarkable beneficial effects of improving the filtering efficiency, reducing the maintenance cost, reducing the blocking risk, improving the product quality, enhancing the operation convenience and the like, and has wide application prospects and popularization values.
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Description

Technical Field

[0001] The utility model relates to the technical field of liquid filtration, and particularly relates to a filtration device for the production of polyether polyols. Background Art

[0002] As an important chemical raw material, polyether polyols are widely used in the production of high molecular materials such as polyurethanes and polyesters. During the production process of polyether polyols, due to the influence of various factors such as raw materials, reaction conditions, and technological processes, the products often contain solid impurities, microporous dispersions of different sizes and other impurities. The existence of these impurities will seriously affect the quality of polyether polyols and the performance of subsequent products. Therefore, an effective separation and removal need to be carried out through a filtration device. During the production process of sponges, a large amount of polyether polyols are required. Therefore, there is an urgent need to design a filtration device for the production of polyether polyols that is suitable for sponge production and has a high filtration efficiency. Summary of the Utility Model

[0003] In view of the above, the utility model provides a filtration device for the production of polyether polyols, which has a high filtration efficiency and meets the requirements of large-scale sponge production.

[0004] The technical solution of the utility model:

[0005] The utility model provides a filtration device for the production of polyether polyols, including a liquid storage tank, a filtration barrel, and an output pipe. The liquid storage tank forms a space for accommodating the filtered liquid. A plurality of filtration holes arranged along the extension direction of the liquid storage tank are opened on the upper surface of the liquid storage tank. A filtration barrel for filtering polyether polyols is detachably placed in each filtration hole. The output pipe is communicated with the space for accommodating the liquid in the liquid storage tank to output the filtered liquid.

[0006] Further, the liquid storage tank includes a box body and a top cover detachably covered on the box body, and the filtration holes are opened on the top cover.

[0007] Further, the top cover includes a frame and a top plate fixed on the frame, and the filtration holes are opened on the top plate.

[0008] Further, the filtration barrel includes a cylindrical body and a filter net fixed at the bottom end of the cylindrical body, and the cylindrical body is inserted into the filtration hole.

[0009] Further, a support ring is formed at the top edge of the cylindrical body, and the support ring supports on the surface around the filtration hole.

[0010] Further, a handle is rotatably connected to the support ring.

[0011] Further, the handle includes a lug fixed on the support ring and an arc-shaped pull rod rotatably passing through the hole of the lug.

[0012] Furthermore, the output pipe is connected to the bottom surface of the liquid storage tank, and a control valve is installed on the output pipe.

[0013] Furthermore, a power pump for sucking liquid is installed on the output pipe.

[0014] Furthermore, a base is included and installed at the bottom of the liquid storage tank, so that the output pipe extends outward from the bottom surface of the liquid storage tank through the base.

[0015] The filtering device for polyether polyol production provided by the present utility model has the following beneficial effects mainly reflected in the following aspects:

[0016] I. High filtering ability: By arranging a plurality of filtering holes along the extension direction on the upper surface of the liquid storage tank and equipping with a detachable filtering barrel, multi-point simultaneous filtering of polyether polyol is realized, significantly improving the filtering efficiency and meeting the requirements of large-scale production.

[0017] II. Easy maintenance and replacement: The filtering barrel is designed to be detachable, facilitating users to replace or clean it in a timely manner according to production needs or filtering effects, reducing the maintenance cost and extending the service life of the equipment.

[0018] III. Structural optimization to reduce blockage: The multiple filtering holes are dispersedly arranged, reducing the burden on a single filtering point and lowering the risk of blockage caused by impurity accumulation, ensuring the smooth progress of the filtering process.

[0019] IV. Improvement of product quality: Through efficient filtering, solid impurities, microporous dispersions and other impurities in polyether polyol are effectively removed, significantly improving the purity and quality of the product, providing a strong guarantee for subsequent processing and application.

[0020] V. Enhancement of operation convenience: The overall structure is reasonably designed, the operation is simple, and rapid installation, disassembly and cleaning can be achieved without complex technical support, reducing the skill requirements for operators and improving the work efficiency.

[0021] In summary, the filtering device for polyether polyol production of the present utility model shows significant beneficial effects in aspects such as improving the filtering efficiency, reducing the maintenance cost, reducing the blockage risk, improving the product quality and enhancing the operation convenience, and has broad application prospects and promotion value.

[0022] The preferred implementation scheme and its beneficial effects of the present utility model will be further described in detail in combination with specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings are used to provide further understanding of the present utility model, and constitute a part of the specification, and are used to explain the present utility model together with the following specific embodiments, but should not limit the present utility model. In the drawings:

[0024] Figure 1 This is the three-dimensional assembly drawing of the filtering device for the production of polyether polyol of the present utility model;

[0025] Figure 2 This is the exploded view of the filtering device for the production of polyether polyol of the present utility model;

[0026] Figure 3 This is the side view of the filtering device for the production of polyether polyol of the present utility model.

[0027] Explanation of the reference numerals in the attached drawings: liquid storage tank 1, filtering barrel 2, output pipe 3, filtering holes 10, box body 11, top cover 12, cylindrical body 21, filter net 22, support ring 23, handle 24, base 4. Specific embodiments

[0028] The following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only for the purpose of illustrating and explaining the present utility model, and are not intended to limit the present utility model.

[0029] Please refer to Figures 1 to 3 , the present utility model provides a filtering device for the production of polyether polyol, including a liquid storage tank 1, a filtering barrel 2 and an output pipe 3. The liquid storage tank 1 forms a space for accommodating the filtered liquid. A plurality of filtering holes 10 arranged along the extension direction of the liquid storage tank 1 are provided on the upper surface of the liquid storage tank 1. A filtering barrel 2 for filtering polyether polyol is detachably placed in each filtering hole 10. The output pipe 3 is communicated with the space for accommodating the liquid in the liquid storage tank 1 to output the filtered liquid.

[0030] During use, the filtering barrel 2 is placed in the filtering hole 10, and the polyether polyol is respectively poured into each filtering barrel 2 to realize simultaneous filtering of multiple filtering barrels 2. The filtered liquid is stored in the liquid storage tank 1 and then transported to the designated processing equipment through the output pipe 3.

[0031] The filtering device for the production of polyether polyol provided by the present utility model has the following beneficial effects:

[0032] I. High filtering ability: By arranging a plurality of filtering holes 10 along the extension direction on the upper surface of the liquid storage tank 1 and equipping with detachable filtering barrels 2, simultaneous multi-point filtering of polyether polyol is realized, significantly improving the filtering efficiency and meeting the requirements of large-scale production.

[0033] II. Easy maintenance and replacement: The filtering barrel 2 is designed to be detachable, which is convenient for users to replace or clean in time according to production needs or filtering effects, reducing the maintenance cost and extending the service life of the equipment.

[0034] III. Structural optimization to reduce blockage: Multiple filter holes 10 are dispersedly arranged, reducing the burden on a single filtration point, lowering the risk of blockage caused by impurity accumulation, and ensuring the smooth progress of the filtration process.

[0035] IV. Improve product quality: Through efficient filtration, solid impurities, microporous dispersions and other impurities in the polyether polyol are effectively removed, significantly improving the purity and quality of the product, and providing a strong guarantee for subsequent processing and applications.

[0036] V. Enhance operational convenience: The overall structure is reasonably designed and easy to operate. Quick installation, disassembly and cleaning can be achieved without complex technical support, reducing the skill requirements for operators and improving work efficiency.

[0037] In summary, the filtration device for polyether polyol production of the present utility model shows significant beneficial effects in aspects such as improving filtration efficiency, reducing maintenance costs, reducing the risk of blockage, improving product quality and enhancing operational convenience, and has broad application prospects and promotion value.

[0038] In this embodiment, the liquid storage tank 1 includes a tank body 11 and a top cover 12 detachably covered on the tank body 11. The filter holes 10 are opened on the top cover 12. The top cover 12 includes a frame and a top plate fixed to the frame, and the filter holes 10 are opened on the top plate. The liquid storage tank 1 is designed to include the tank body 11 and the detachable top cover 12. This structure enables users to easily remove the top cover 12, thereby facilitating the cleaning and maintenance of the interior of the tank body, effectively preventing dirt accumulation caused by long-term use, and ensuring the hygiene and filtration effect of the filtration device. The top cover 12 adopts a structural design combining a frame and a top plate, which not only increases the strength and stability of the top cover, but also improves the durability of the entire liquid storage tank. Even in a high-pressure or high-flow working environment, the integrity and sealing performance of the structure can be maintained, extending the service life of the equipment.

[0039] In this embodiment, the filter barrel 2 includes a cylindrical body 21 and a filter net 22 fixed to the bottom end of the cylindrical body 21. The cylindrical body 21 is inserted into the filter holes 10. A support ring 23 is formed at the top edge of the cylindrical body 21, and the support ring 23 supports on the surface around the filter holes 10. The filter barrel 2 adopts a design combining the cylindrical body 21 and the filter net 22. The cylindrical body 21 is directly inserted into the filter holes 10 of the liquid storage tank 1 and is stably supported around the filter holes through the support ring 23 at its top. This design not only simplifies the installation process, but also ensures the stability of the filter barrel during use, avoiding detachment or damage caused by vibration or impact. To facilitate the removal of the filter barrel 2, a handle 24 is rotatably connected to the support ring 23. The handle 24 includes a lug fixed to the support ring 23 and an arc-shaped pull rod rotatably passing through the lug hole.

[0040] In this embodiment, the output pipe 3 is connected to the bottom surface of the liquid storage tank 1. A control valve is installed on the output pipe 3. A power pump for sucking liquid is installed on the output pipe 3.

[0041] The filter device for polyether polyol production provided by the present utility model further includes a base 4 installed at the bottom of the liquid storage tank 1, so that the output pipe 3 extends outward from the bottom surface of the liquid storage tank 1 through the base 4.

[0042] During use, place the filter barrel 2 in the filter hole 10, pour polyether polyol into each filter barrel 2 respectively, to achieve simultaneous filtration of multiple filter barrels 2. The filtered liquid is stored in the liquid storage tank 1, and then is transported to the designated processing equipment through the output pipe 3.

[0043] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying importance; the terms "bottom surface" and "top surface", "inner" and "outer" respectively refer to the geometric directions towards or away from a specific component.

[0044] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "communicated", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct communication or an indirect communication through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. In addition, in the description of the present utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0045] The above is only the preferred embodiment of the present utility model, and it is not intended to limit the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A filtering device for the production of polyether polyol, characterized in that, It includes a liquid storage tank (1), a filter barrel (2) and an output pipe (3). The liquid storage tank (1) forms a space for accommodating the filtered liquid. A plurality of filter holes (10) arranged along the extension direction of the liquid storage tank (1) are provided on the upper surface of the liquid storage tank (1). A filter barrel (2) for filtering polyether polyol is detachably placed in each filter hole (10). The output pipe (3) is communicated with the space in the liquid storage tank (1) for accommodating the liquid to output the filtered liquid.

2. The filtering device for polyether polyol production according to claim 1, characterized in that, The liquid storage tank (1) includes a box body (11) and a top cover (12) detachably covered on the box body (11), and the filter holes (10) are provided on the top cover (12).

3. The filtering device for the production of polyether polyol according to claim 2, characterized in that, The top cover (12) includes a frame and a top plate fixed on the frame, and the filter holes (10) are provided on the top plate.

4. The filter device for polyether polyol production according to claim 1, characterized in that, The filter barrel (2) includes a cylindrical body (21) and a filter net (22) fixed at the bottom end of the cylindrical body (21), and the cylindrical body (21) is inserted into the filter hole (10).

5. The filtering device for polyether polyol production according to claim 4, wherein, A support ring (23) is formed at the top edge of the cylindrical body (21), and the support ring (23) supports on the surface around the filter hole (10).

6. The filtering device for polyether polyol production according to claim 5, wherein, A handle (24) is rotatably connected to the support ring (23).

7. The filtering device for polyether polyol production according to claim 6, characterized in that, The handle (24) includes a lug fixed on the support ring (23) and an arc-shaped pull rod rotatably penetrating through the lug hole.

8. The filtering device for polyether polyol production according to claim 1, characterized in that, The output pipe (3) is connected to the bottom surface of the liquid storage tank (1), and a control valve is installed on the output pipe (3).

9. The filter device for producing polyether polyol according to claim 1, wherein A power pump for sucking liquid is installed on the output pipe (3).

10. The filtering device for the production of polyether polyol according to claim 1, characterized in that, It further includes a base (4) installed at the bottom of the liquid storage tank (1) so that the output pipe (3) extends outward from the bottom surface of the liquid storage tank (1) through the base (4).