Slurry circulating filtering device

Abstract

The utility model discloses a slurry circulating and filtering device, and belongs to the technical field of coating equipment. The device comprises a circulating pipeline, a trough, and a coating roller and an interception piece which are arranged in the trough, a backflow port and a discharge port of the circulating pipeline are both communicated with the trough, and the circulating pipeline and the trough form a circulating loop; a reflux inlet of the circulating pipeline is arranged opposite to the coating roller; the coating roller is arranged between the reflux inlet of the circulating pipeline and the interception piece; the slurry in the trough is driven to continuously flow through the circulating pipeline, so that the problem that the surface of the slurry is easy to crust due to low flow speed is avoided; compared with an existing slurry coating device, the forming speed of crust can be reduced, the crust can be effectively intercepted during crust production, the crust is prevented from making direct contact with the coating roller, and therefore the problem that patterns appear on a coated product is effectively solved; and in the slurry circulation process, continuous impurity removal and filtration operation is carried out on the slurry, and the situation that impurities adhere to the surface of a product again, and then the appearance quality of the product is affected is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of coating equipment, and particularly relates to a slurry circulation filtering device. Background Art

[0002] When processing cloth or film, it is necessary to coat the surface with the corresponding surface treatment slurry, but the following problems are prone to occur during the coating process:

[0003] 1) Since some solvents in the surface treatment slurry will gradually evaporate over time, the slurry is easily destroyed in uniformity due to surface crusting, thus affecting the effect of surface treatment; if the crust is coated on the surface of the cloth or film, the coated product will also have a "pattern" phenomenon, which will lead to a decrease in product quality and yield.

[0004] 2) During the production process, the coating operation can easily dissolve impurities on the surface of the cloth or film into the slurry. If the impurities cannot be filtered out in time, the impurities will re-adhere to the surface of the coated cloth or film, thus affecting the appearance quality of the product. Utility Model Content

[0005] The technical problem to be solved by the utility model is: how to provide a slurry circulation filtering device which can continuously ensure the slurry quality and thus improve the cloth or film coating quality.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A slurry circulation filtering device comprises a circulation pipeline, a material tank, and a coating roller and a retaining member arranged in the material tank;

[0008] The reflux port and the discharge port of the circulation pipeline are both connected to the material tank, and the circulation pipeline and the material tank form a circulation loop;

[0009] The reflux port of the circulation pipeline is arranged relative to the coating roller;

[0010] The coating roller is arranged between the reflux port and the intercepting member of the circulation pipeline.

[0011] Furthermore, the bottom of the trough and the coating roller are both arranged at a preset distance from the intercepting member.

[0012] Furthermore, the circulation pipeline includes a reflux pipe, a first pump body and a discharge pipe which are interconnected;

[0013] The reflux port of the reflux pipe and the discharge port of the discharge pipe are both connected to the material trough.

[0014] Furthermore, the discharge pipe is provided with at least two discharge ports along its extension direction;

[0015] The discharge ports of the discharge pipes are all connected to the material trough.

[0016] Further, the discharge pipe includes a first pipeline, a connecting piece and a second pipeline;

[0017] A filtering device is provided inside the connecting piece;

[0018] The two ends of the first pipeline are respectively connected to the discharge port of the first pump body and the feed port of the connecting piece;

[0019] The two ends of the second pipeline are respectively connected to the discharge port of the connector and the interior of the trough.

[0020] Furthermore, the circulation pipeline also includes an exhaust pipe;

[0021] The emptying pipe is communicated with the discharging pipe.

[0022] Furthermore, it also includes a feed pipe and a second pump body;

[0023] The discharge port of the feeding pipe is communicated with the feeding trough.

[0024] Further, it also includes a liquid level sensor;

[0025] The distance between the sensing end of the liquid level sensor and the bottom of the material trough is consistent with the distance between the intercepting member and the bottom of the material trough;

[0026] The liquid level sensor is electrically connected to the second pump body.

[0027] The beneficial effects of the utility model are as follows: the slurry circulation filtration device provided by the utility model drives the slurry in the material tank to flow continuously through the circulation pipeline, so as to avoid the problem of surface crusting of the slurry due to low flow rate; when the slurry surface is crusted, because the coating roller is arranged between the reflux port and the interception member of the circulation pipeline, it can not only ensure the uniqueness of the crusting reflux direction, but also effectively intercept the crusting by the interception member in the process of flowing to the coating roller, thereby preventing the problem of "pattern" from occurring in the coated product. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 Shown is a structural schematic diagram of a slurry circulation filtration device according to a specific embodiment of the utility model;

[0029] Figure 2 Shown is a front view of a slurry circulation filtration device according to a specific embodiment of the utility model;

[0030] Figure 3 Shown Figure 2 A magnified view of point A;

[0031] Figure 4Shown is a right side view of a slurry circulation filtering device according to a specific embodiment of the utility model;

[0032] Figure 5 Shown is a cross-sectional view of a slurry circulation filtration device according to a specific embodiment of the utility model;

[0033] Description of labels:

[0034] 1. Circulation pipeline; 11. Reflux pipe; 12. First pump body; 13. Discharge pipe; 131. First pipeline; 132. Connector; 133. Second pipeline; 14. Drain pipe;

[0035] 2. Material trough; 21. Coating roller; 22. Retention piece;

[0036] 3. Feeding tube. DETAILED DESCRIPTION

[0037] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0038] The most critical concept of the utility model is that the circulation pipeline drives the slurry in the material tank to flow continuously, so as to avoid the problem of surface crusting of the slurry due to low flow rate; when the slurry surface is crusted, because the coating roller is arranged between the reflux port of the circulation pipeline and the intercepting member, the crust can be intercepted by the intercepting member in the process of flowing to the coating roller, thereby preventing the problem of "pattern" from occurring in the coated product.

[0039] Please refer to Figures 1 to 5 The slurry circulation filtering device provided by the utility model comprises a circulation pipeline 1, a material tank 2, and a coating roller 21 and a retaining member 22 arranged in the material tank 2;

[0040] The reflux port and the discharge port of the circulation pipeline 1 are both connected to the material tank 2, and the circulation pipeline 1 and the material tank 2 form a circulation loop;

[0041] The reflux port of the circulation pipeline 1 is arranged relative to the coating roller 21;

[0042] The coating roller 21 is arranged between the reflux port of the circulation pipeline 1 and the intercepting member 22 .

[0043] Specifically, the intercepting member 22 is preferably a columnar structure, and its axis is parallel to the axis of the coating roller. The cross-section of the intercepting member 22 can be any shape, such as circular, rectangular or triangular. The intercepting member 22 can be fixed or rotatable, that is, in the flow direction of the slurry, the intercepting member 22 only needs to be able to separate the liquid surface of the slurry into two parts.

[0044] From the above description, it can be seen that the beneficial effects of the utility model are: providing a slurry circulation filtration device, driving the slurry in the material tank 2 to flow continuously through the circulation pipeline 1, so as to avoid the problem of accelerating the surface crusting speed due to the low flow rate of the slurry; compared with the existing slurry coating device, it can not only reduce the formation speed of the crust, but also effectively utilize the interception member 22 to intercept the crust during the production of the crust, so as to avoid the crust directly contacting the coating roller 21, thereby effectively solving the problem of the crust being coated on the product, resulting in the appearance of "patterns" on the coated product.

[0045] Furthermore, the bottom of the material trough 2 and the coating roller 21 are both arranged at a preset distance from the intercepting member 22 .

[0046] From the above description, it can be seen that this design enables the intercepting member 22 to only intercept the crust on the surface of the slurry, while most of the slurry can flow to the coating roller 21 through the gap between the bottom of the trough 2 and the intercepting member 22, thereby ensuring that the coating roller 21 can normally dip into the slurry for coating work.

[0047] Furthermore, the circulation pipeline 1 includes a reflux pipe 11, a first pump body 12 and a discharge pipe 13 which are interconnected;

[0048] The reflux port of the reflux pipe 11 and the discharge port of the discharge pipe 13 are both connected to the material trough 2 .

[0049] Furthermore, the discharge pipe 13 is provided with at least two discharge ports along its extension direction;

[0050] The discharge ports of the discharge pipe 13 are all connected to the material trough 2.

[0051] Specifically, the discharge port of the discharge pipe 13 corresponds to the discharge port of the circulation pipeline 1 ; the reflux port of the reflux pipe 11 corresponds to the reflux port of the circulation pipeline 1 .

[0052] From the above description, it can be seen that the design has made specific improvements to the composition structure of the circulation pipeline 1 and the discharge pipe 13, so that the circulation of the slurry can proceed normally; and it is ensured that at least two discharge ports are provided in the extension direction of the discharge pipe 13, which can make the tumbling effect of the slurry more obvious, thereby further improving the fluidity and mixing degree of the slurry to solve the problem of crusting on the surface of the slurry.

[0053] Furthermore, the discharge pipe 13 includes a first pipeline 131, a connecting piece 132 and a second pipeline 133;

[0054] A filtering device is provided inside the connecting member 132;

[0055] The two ends of the first pipeline 131 are respectively connected to the discharge port of the first pump body 12 and the feed port of the connecting piece 132;

[0056] Both ends of the second pipeline 133 are respectively connected to the discharge port of the connecting member 132 and the interior of the trough 2 .

[0057] From the above description, it can be seen that the design further optimizes the structure of the discharge pipe 13. The first pipeline 131, the connecting piece 132 and the second pipeline 133 are interconnected, so that the discharge pipe 13 has a detachable function, which is convenient for the staff to regularly clean or replace the filtering device arranged inside the connecting piece 132; at the same time, the filtering device can not only effectively intercept the crusting and prevent the crusting from returning to the material tank 2, but also the crusting retained at the filtering device is completely immersed in the slurry, so it will melt into the slurry again over time, thereby effectively ensuring the uniformity of the slurry, thereby indirectly ensuring the coating effect.

[0058] Preferably, the filter device is detachably connected to the connecting piece.

[0059] Preferably, the filtering device is a filter screen.

[0060] Furthermore, the circulation pipeline 1 also includes an exhaust pipe 14;

[0061] The drain pipe 14 is communicated with the discharge pipe 13 .

[0062] From the above description, it can be seen that after coating or when cleaning the material tank 2, the slurry or the sewage after cleaning in the material tank 2 can be completely discharged through the emptying pipe 14 to avoid the slurry clogging in the circulation pipeline 1, thereby affecting the subsequent coating work.

[0063] Furthermore, the above-mentioned slurry circulation filtering device further includes a feed pipe 3 and a second pump body;

[0064] The discharge port of the feeding pipe 3 is communicated with the material trough 2.

[0065] From the above description, it can be seen that when the slurry in the material tank 2 is insufficient, the second pump body replenishes the slurry to the interior of the material tank 2 through the feeding pipe 3, thereby ensuring that the coating roller 21 can continuously and stably perform the coating work of the coiled material.

[0066] Furthermore, the above-mentioned slurry circulation filtering device also includes a liquid level sensor;

[0067] The distance between the sensing end of the liquid level sensor and the bottom of the material trough 2 is consistent with the distance between the intercepting member 22 and the bottom of the material trough 2;

[0068] The liquid level sensor is electrically connected to the second pump body.

[0069] From the above description, it can be known that, through the cooperation between the feeding pipe 3, the second pump body and the liquid level sensor, when the liquid level of the slurry is lower than the distance between the retaining member 22 and the bottom of the material tank 2, the second pump body can be started to replenish the liquid, ensuring that the liquid level of the slurry is always flush with the retaining member 22, so as to avoid the crust intercepted by the retaining member 22 from flowing from the gap between the retaining member 22 and the bottom of the material tank 2 to the coating roller 21, so that the crust and the slurry are coated on the cloth or film at the same time, thereby affecting the quality of the product.

[0070] The slurry circulation filtering device of the utility model can assist the coating work of the coiled material.

[0071] Please refer to Figures 1 to 5 , Embodiment 1 of the present utility model is:

[0072] A slurry circulation filtration device comprises a circulation pipeline 1, a feeding pipe 3, a second pump body, a liquid level sensor and a material tank 2, and a coating roller 21 and a retaining member 22 arranged in the material tank 2; the reflux port and the discharge port of the circulation pipeline 1 are both connected to the material tank 2, and the circulation pipeline 1 and the material tank 2 form a circulation loop; the reflux port of the circulation pipeline 1 is arranged relative to the coating roller 21; the coating roller 21 is arranged between the reflux port of the circulation pipeline 1 and the retaining member 22; the discharge port of the feeding pipe 3 is connected to the material tank 2; the distance between the sensing end of the liquid level sensor and the bottom of the material tank 2 is consistent with the distance between the retaining member 22 and the bottom of the material tank 2; the liquid level sensor is electrically connected to the second pump body.

[0073] The bottom of the material trough 2 and the coating roller 21 are both arranged at a preset distance from the intercepting member 22 .

[0074] The circulation pipeline 1 includes a reflux pipe 11, a first pump body 12 and a discharge pipe 13 which are interconnected; the reflux port of the reflux pipe 11 and the discharge port of the discharge pipe 13 are both connected to the material trough 2; the discharge pipe 13 is provided with five discharge ports along its extension direction; the discharge ports of the discharge pipe 13 are all connected to the material trough 2; the discharge pipe 13 includes a first pipeline 131, a connecting piece 132 and a second pipeline 133; a filtering device is provided inside the connecting piece 132; the two ends of the first pipeline 131 are respectively connected to the discharge port of the first pump body 12 and the feed port of the connecting piece 132; the two ends of the second pipeline 133 are respectively connected to the discharge port of the connecting piece 132 and the inside of the material trough 2; the circulation pipeline 1 also includes an emptying pipe 14; the emptying pipe 14 is connected to the discharge pipe 13.

[0075] The working principle of the utility model is as follows: during coating, the first pump body 12 is started, so that the slurry in the material tank 2 flows into the reflux pipe 11 under the action of the first pump body 12, and flows into the material tank 2 again from the discharge pipe 13, so as to realize the circulation flow of the slurry; the crust on the surface of the slurry will be effectively intercepted by the intercepting member 22 during the flow of the coating roller 21, so as to avoid the crust being coated on the cloth or film synchronously with the slurry under the action of the coating roller 21, thereby affecting the coating quality.

[0076] In summary, the utility model provides a slurry circulation filtering device, which drives the slurry in the material tank to flow continuously through the circulation pipeline, so as to avoid the problem of surface crusting of the slurry due to the low flow rate; compared with the existing slurry coating device, it can not only reduce the formation speed of the crust, but also effectively intercept the crust during the production of the crust, so as to avoid the direct contact of the crust with the coating roller, thereby effectively solving the problem of "patterns" appearing on the coated product; at the same time, through the cooperation between the feeding pipe, the second pump body and the liquid level sensor, when the liquid level of the slurry is lower than the distance between the intercepting member and the bottom of the material tank, the second pump body can be started for liquid replenishment to ensure that the liquid level of the slurry is always flush with the intercepting member, so as to avoid the crust intercepted by the intercepting member from flowing from the gap between the intercepting member and the bottom of the material tank to the coating roller, thereby causing the crust and the slurry to be coated on the cloth or film at the same time, resulting in the quality of the product being affected; and it can also continuously remove impurities and filter the slurry during the circulation of the slurry, so as to avoid the secondary adhesion of impurities to the surface of the cloth or film, which ultimately affects the surface appearance of the product.

[0077] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A slurry circulation filtration device, characterized in that: It includes a circulation pipeline, a material tank, and a coating roller and a retaining member arranged in the material tank; The reflux port and the discharge port of the circulation pipeline are both connected to the material tank, and the circulation pipeline and the material tank form a circulation loop; The reflux port of the circulation pipeline is arranged relative to the coating roller; The coating roller is arranged between the reflux port and the intercepting member of the circulation pipeline.

2. The slurry circulation filtration device according to claim 1, characterized in that: The bottom of the material trough and the coating roller are both arranged at a preset distance from the intercepting member.

3. The slurry circulation filtration device according to claim 1, characterized in that: The circulation pipeline includes a reflux pipe, a first pump body and a discharge pipe which are interconnected; The reflux port of the reflux pipe and the discharge port of the discharge pipe are both connected to the material trough.

4. The slurry circulation filtration device according to claim 3, characterized in that: The discharge pipe is provided with at least two discharge ports along its extension direction; The discharge ports of the discharge pipes are all connected to the material trough.

5. The slurry circulation filtration device according to claim 3, characterized in that: The discharge pipe comprises a first pipeline, a connecting piece and a second pipeline; A filtering device is provided inside the connecting piece; The two ends of the first pipeline are respectively connected to the discharge port of the first pump body and the feed port of the connecting piece; The two ends of the second pipeline are respectively connected to the discharge port of the connector and the interior of the trough.

6. The slurry circulation filtration device according to claim 3, characterized in that: The circulation pipeline also includes an exhaust pipe; The emptying pipe is communicated with the discharging pipe.

7. The slurry circulation filtration device according to claim 1, characterized in that: It also includes a feed pipe and a second pump body; The discharge port of the feeding pipe is communicated with the feeding trough.

8. The slurry circulation filtration device according to claim 7, characterized in that: Also included is a level sensor; The distance between the sensing end of the liquid level sensor and the bottom of the material trough is consistent with the distance between the intercepting member and the bottom of the material trough; The liquid level sensor is electrically connected to the second pump body.

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