Filtering device for preparing concrete additive

Abstract

The utility model relates to the technical field of concrete additive preparation, and discloses a filtering device for concrete additive preparation, which comprises a filtering square tube, an inner cavity of the filtering square tube is provided with an inner groove, a mounting plate is slidably connected in the inner groove, the upper end of one side of the mounting plate is fixedly connected with a first filtering mechanism, and the upper end of the other side of the mounting plate is fixedly connected with a second filtering mechanism. The lower end of the other side of the mounting plate is fixedly connected with a second filtering mechanism; through cooperation of a filtering square pipe, a first filtering mechanism, a mounting plate and a second filtering mechanism, the first filtering mechanism and the second filtering mechanism are alternately arranged, when the first filtering mechanism is used, the second filtering mechanism is exposed outside to facilitate cleaning, and when the second filtering mechanism is used, the first filtering mechanism is exposed outside to facilitate cleaning. The concrete additive can be conveniently and alternately cleaned, and the additive can be continuously added and used in the cleaning process, so that the preparation efficiency of the concrete additive is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete admixture preparation, in particular to a filtering device for concrete additive preparation. Background Technique

[0002] Concrete admixtures are chemicals that are incorporated during the mixing of concrete, accounting for less than 5% of the cement mass, and can significantly improve the performance of concrete. The characteristics of concrete admixtures are many varieties, small dosages, and great influence on the performance of concrete. They have the characteristics of less investment, quick results, and significant technical and economic benefits. With the continuous progress of science and technology, admixtures have been increasingly used;

[0003] In the prior art, the Chinese utility model content with the application number: CN202121474141.9 discloses a filtering device for concrete additive preparation, including a filtering box. Three outer sides of the filtering box are set as vertical parts, and the other side of the filtering box is set as an arc part. There is a feed inlet above the filtering box and a discharge outlet below the filtering box. A rotating shaft is rotatably installed above the inner part of the filtering box near one side of the vertical part. Three filter nets are radially installed on the rotating shaft near the arc part. A driving structure for driving the rotating shaft to rotate left and right is installed in front of the filtering box. The driving structure includes a quarter gear fixedly connected to one end of the rotating shaft, a reciprocating plate arranged below the quarter gear, and a rack installed on the upper surface of the reciprocating plate. The utility model is provided with three layers of filter nets, and the three layers of filter nets are radially installed on the rotating shaft. After filtering, the rotating shaft can be driven to rotate through the driving structure, and then the filter net can be rotated above the filtering box. After rotating above, it is convenient to clean the filter net;

[0004] Although the above technical solution is convenient to move the filter net out for cleaning, however, when the filter net is moved out for cleaning, the admixture filtration work cannot continue, so it is necessary to stop adding the concrete admixture during the cleaning of the filter net, which may affect the preparation effect of the concrete. Therefore, we need to propose a filtering device for concrete additive preparation. Content of the Utility Model

[0005] The purpose of the utility model is to provide a filtering device for concrete additive preparation, which is convenient for alternately cleaning the admixture filter net during concrete preparation, avoids stopping the addition of the admixture when the filter net is taken out, improves the efficiency of adding the concrete admixture, and thus improves the concrete preparation efficiency, so as to solve the problems raised in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A filtering device for preparing concrete additives, including a filtering square tube. An inner groove is provided in the inner cavity of the filtering square tube. An installation plate is slidably connected in the inner groove. A first filtering mechanism is fixedly connected to the upper end of one side of the installation plate. A second filtering mechanism is fixedly connected to the lower end of the other side of the installation plate. A first through hole for the first filtering mechanism to slidably insert is provided on one side of the filtering square tube. A second through hole for the second filtering mechanism to slidably insert is provided on the other side of the filtering square tube. The first filtering mechanism and the second filtering mechanism are arranged in a staggered parallel manner. Two groups of first locking rods for limiting the first filtering mechanism are rotatably connected to one side of the filtering square tube. Two groups of second locking rods for limiting the second filtering mechanism are rotatably connected to the other side of the filtering square tube. A feed hopper is provided at the upper end of the filtering square tube. A connecting frame is provided at the lower end of the filtering square tube.

[0007] Preferably, the first filtering mechanism includes a first fixing frame and two groups of first drainage plates. The two groups of first drainage plates are fixedly connected to both sides of the inner cavity of the first fixing frame. And on the opposite sides of the two groups of first drainage plates, a first lower layer filter screen, a first middle layer filter screen, and a first upper layer filter screen are sequentially arranged from bottom to top.

[0008] Preferably, the first fixing frame is arranged in a U shape. The open end of the first fixing frame is fixedly connected to one side of the installation plate. The cross sections of the two groups of first drainage plates are both in a right triangle shape. And on the opposite sides of the two groups of first drainage plates, first support bars for supporting the first lower layer filter screen, the first middle layer filter screen, and the first upper layer filter screen are fixedly connected.

[0009] Preferably, one ends of the upper surfaces of the first lower layer filter screen, the first middle layer filter screen, and the first upper layer filter screen are all fixedly connected with first buckles. The cross sections of the first lower layer filter screen, the first middle layer filter screen, and the first upper layer filter screen decrease sequentially from bottom to top.

[0010] Preferably, the second filtering mechanism includes a second fixing frame and two groups of second drainage plates. The two groups of second drainage plates are fixedly connected to both sides of the inner cavity of the second fixing frame. And on the opposite sides of the two groups of second drainage plates, a second lower layer filter screen, a second middle layer filter screen, and a second upper layer filter screen are sequentially arranged from bottom to top.

[0011] Preferably, the second fixing frame is arranged in a U shape. The open end of the second fixing frame is fixedly connected to the other side of the installation plate. The cross sections of the two groups of second drainage plates are both in a right triangle shape. And on the opposite sides of the two groups of second drainage plates, second support bars for supporting the second lower layer filter screen, the second middle layer filter screen, and the second upper layer filter screen are fixedly connected.

[0012] Preferably, one end of the upper surface of the second lower filter screen, the second middle filter screen, and the second upper filter screen is fixedly connected with a second buckle plate, and the cross-sections of the second lower filter screen, the second middle filter screen, and the second upper filter screen decrease successively from bottom to top.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] The present utility model mainly realizes the cooperation among the filtering square pipe, the first filtering mechanism, the mounting plate, and the second filtering mechanism. The first filtering mechanism and the second filtering mechanism are arranged alternately. When the first filtering mechanism is in use, the second filtering mechanism is exposed to the outside for convenient cleaning. Conversely, when the second filtering mechanism is in use, the first filtering mechanism is exposed to the outside, which is convenient for alternating cleaning. Moreover, during the cleaning process, the addition and use of additives can be continuously carried out, improving the preparation efficiency of concrete additives. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is a schematic sectional structure diagram of the filtering square pipe of the present utility model;

[0017] Figure 3 is a schematic diagram of the structures of the first filtering mechanism and the second filtering mechanism of the present utility model.

[0018] In the figure: 1, filtering square pipe; 2, feed hopper; 3, connecting frame; 4, first filtering mechanism; 41, first fixing frame; 42, first drainage plate; 43, first support bar; 44, first lower filter screen; 45, first middle filter screen; 46, first upper filter screen; 47, first buckle plate; 5, mounting plate; 6, second filtering mechanism; 61, second fixing frame; 62, second drainage plate; 63, second support bar; 64, second lower filter screen; 65, second middle filter screen; 66, second upper filter screen; 67, second buckle plate; 7, inner groove; 8, first through hole; 9, second through hole; 10, first locking rod; 11, second locking rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1-3, the present utility model provides a technical solution: a filtering device for preparing concrete additives, including a filtering square pipe 1. An inner groove 7 is opened in the inner cavity of the filtering square pipe 1. A mounting plate 5 is slidably connected in the inner groove 7. One side upper end of the mounting plate 5 is fixedly connected with a first filtering mechanism 4. The other side lower end of the mounting plate 5 is fixedly connected with a second filtering mechanism 6. A first through hole 8 for the first filtering mechanism 4 to slide and insert is opened on one side of the filtering square pipe 1. A second through hole 9 for the second filtering mechanism 6 to slide and insert is opened on the other side of the filtering square pipe 1. The first filtering mechanism 4 and the second filtering mechanism 6 are arranged in a staggered and parallel manner. Two groups of first locking rods 10 for limiting the first filtering mechanism 4 are rotatably connected to one side of the filtering square pipe 1. Two groups of second locking rods 11 for limiting the second filtering mechanism 6 are rotatably connected to the other side of the filtering square pipe 1. A feed hopper 2 is arranged at the upper end of the filtering square pipe 1. A connecting frame 3 is arranged at the lower end of the filtering square pipe 1.

[0021] The first filtering mechanism 4 includes a first fixing frame 41 and two groups of first drainage plates 42. The two groups of first drainage plates 42 are fixedly connected to both sides of the inner cavity of the first fixing frame 41. On the opposite sides of the two groups of first drainage plates 42, a first lower layer filter screen 44, a first middle layer filter screen 45, and a first upper layer filter screen 46 are arranged in sequence from bottom to top. The filter holes of the first lower layer filter screen 44, the first middle layer filter screen 45, and the first upper layer filter screen 46 gradually become larger from bottom to top, so as to facilitate the filtration of impurities with different particle sizes and improve the quality of additive preparation.

[0022] The first fixing frame 41 is arranged in a U shape. The open end of the first fixing frame 41 is fixedly connected to one side of the mounting plate 5. The cross sections of the two groups of first drainage plates 42 are both in a right triangle shape. On the opposite sides of the two groups of first drainage plates 42, first support bars 43 for supporting the first lower layer filter screen 44, the first middle layer filter screen 45, and the first upper layer filter screen 46 are fixedly connected. The first support bars 43 facilitate the limit support of the first lower layer filter screen 44, the first middle layer filter screen 45, and the first upper layer filter screen 46, so as to ensure the stability of the first lower layer filter screen 44, the first middle layer filter screen 45, and the first upper layer filter screen 46 when filtering the original additive solution.

[0023] One end of the upper surfaces of the first lower layer filter screen 44, the first middle layer filter screen 45, and the first upper layer filter screen 46 is fixedly connected with a first buckle 47. The cross sections of the first lower layer filter screen 44, the first middle layer filter screen 45, and the first upper layer filter screen 46 gradually decrease from bottom to top. The first buckle 47 facilitates the disassembly of the first lower layer filter screen 44, the first middle layer filter screen 45, and the first upper layer filter screen 46, improving the convenience of cleaning.

[0024] The second filtering mechanism 6 includes a second fixed frame 61 and two groups of second drainage plates 62. The two groups of second drainage plates 62 are fixedly connected to both sides of the inner cavity of the second fixed frame 61. On the opposite sides of the two groups of second drainage plates 62, a second lower filter screen 64, a second middle filter screen 65, and a second upper filter screen 66 are sequentially arranged from bottom to top. The filter holes of the second lower filter screen 64, the second middle filter screen 65, and the second upper filter screen 66 become larger from bottom to top, so as to facilitate the filtration of impurities with different particle sizes and improve the quality of additive preparation.

[0025] The second fixed frame 61 is arranged in a U shape. The open end of the second fixed frame 61 is fixedly connected to the other side of the mounting plate 5. The cross sections of the two groups of second drainage plates 62 are both in a right triangle shape. On the opposite sides of the two groups of second drainage plates 62, second support bars 63 for supporting the second lower filter screen 64, the second middle filter screen 65, and the second upper filter screen 66 are fixedly connected. The second lower filter screen 64, the second middle filter screen 65, and the second upper filter screen 66 can be conveniently limited and supported by the second support bars 63, so as to ensure the stability of the second lower filter screen 64, the second middle filter screen 65, and the second upper filter screen 66 when filtering the additive stock solution.

[0026] One ends of the upper surfaces of the second lower filter screen 64, the second middle filter screen 65, and the second upper filter screen 66 are all fixedly connected with second buckles 67. The cross sections of the second lower filter screen 64, the second middle filter screen 65, and the second upper filter screen 66 decrease from bottom to top. The second upper filter screen 66, the second middle filter screen 65, and the second lower filter screen 64 can be conveniently disassembled through the second buckles 67, improving the disassembly and cleaning efficiency.

[0027] In use, the additive is put in through the feed hopper 2 above the filtering square pipe 1. The impurities in the additive are filtered by the first filtering mechanism 4 and then fall into a preparation tank (not shown in the figure). The additive is filtered in multiple stages by the first upper filter screen 46, the first middle filter screen 45 and the first lower filter screen 44, thereby improving the quality of additive preparation. When it is necessary to clean the first filtering mechanism 4, the first locking rod 10 is opened, and the first filtering mechanism 4 is pulled out from the first through hole 8 through a handle (not marked in the figure). Under the action of the mounting plate 5, the mounting plate 5 slides along the inner groove 7, so that the second filtering mechanism 6 is moved into the filtering square pipe 1. The additive stock solution is filtered by the second upper filter screen 66, the second middle filter screen 65 and the second lower filter screen 64 to improve the quality of additive preparation, facilitating the cleaning of the first upper filter screen 46, the first middle filter screen 45 and the first lower filter screen 44 of the first filtering mechanism 4, improving the convenience of cleaning, and still enabling the preparation work of the additive to be carried out during the cleaning process, thus improving the efficiency of additive preparation.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filtering device for preparing a concrete additive, comprising a filtering square pipe (1), characterized in that: The inner cavity of the filtering square tube (1) is provided with an inner groove (7), and an installation plate (5) is slidably connected in the inner groove (7). One upper end of the installation plate (5) is fixedly connected with a first filtering mechanism (4), and the other lower end of the installation plate (5) is fixedly connected with a second filtering mechanism (6). One side of the filtering square tube (1) is provided with a first through hole (8) for the first filtering mechanism (4) to slide and be inserted, and the other side of the filtering square tube (1) is provided with a second through hole (9) for the second filtering mechanism (6) to slide and be inserted. The first filtering mechanism (4) and the second filtering mechanism (6) are arranged in a staggered and parallel manner. Two groups of first locking rods (10) for limiting the first filtering mechanism (4) are rotatably connected to one side of the filtering square tube (1), and two groups of second locking rods (11) for limiting the second filtering mechanism (6) are rotatably connected to the other side of the filtering square tube (1). A feed hopper (2) is arranged at the upper end of the filtering square tube (1), and a connection frame (3) is arranged at the lower end of the filtering square tube (1).

2. A filtering device for preparing a concrete additive according to claim 1, characterized in that: The first filtering mechanism (4) includes a first fixed frame (41) and two groups of first drainage plates (42). The two groups of first drainage plates (42) are fixedly connected to both sides of the inner cavity of the first fixed frame (41), and a first lower-layer filter screen (44), a first middle-layer filter screen (45), and a first upper-layer filter screen (46) are sequentially arranged from bottom to top on the opposite sides of the two groups of first drainage plates (42).

3. The filtering device for preparing a concrete additive according to claim 2, characterized in that: The first fixed frame (41) is arranged in a U shape. The open end of the first fixed frame (41) is fixedly connected to one side of the installation plate (5). The cross sections of the two groups of first drainage plates (42) are both in a right triangle shape, and a first support bar (43) for supporting the first lower-layer filter screen (44), the first middle-layer filter screen (45), and the first upper-layer filter screen (46) is fixedly connected to the opposite sides of the two groups of first drainage plates (42).

4. A filtering device for preparing a concrete additive according to claim 3, characterized in that: One end of the upper surfaces of the first lower-layer filter screen (44), the first middle-layer filter screen (45), and the first upper-layer filter screen (46) is fixedly connected with a first clamping plate (47). The cross sections of the first lower-layer filter screen (44), the first middle-layer filter screen (45), and the first upper-layer filter screen (46) decrease sequentially from bottom to top.

5. The filtering device for preparing a concrete additive according to claim 1, characterized in that: The second filtering mechanism (6) includes a second fixed frame (61) and two groups of second drainage plates (62). The two groups of second drainage plates (62) are fixedly connected to both sides of the inner cavity of the second fixed frame (61), and a second lower-layer filter screen (64), a second middle-layer filter screen (65), and a second upper-layer filter screen (66) are sequentially arranged from bottom to top on the opposite sides of the two groups of second drainage plates (62).

6. The filtering device for preparing a concrete additive according to claim 5, wherein: The second fixing frame (61) is arranged in a U shape, and the open end of the second fixing frame (61) is fixedly connected to the other side of the mounting plate (5). The cross-sections of the two groups of second drainage plates (62) are both right-angled triangles, and a second support bar (63) for supporting the second lower filter screen (64), the second middle filter screen (65) and the second upper filter screen (66) is fixedly connected to the relative side of the two groups of second drainage plates (62).

7. A filtering device for preparing a concrete additive according to claim 6, characterized in that: One end of the upper surfaces of the second lower filter screen (64), the second middle filter screen (65) and the second upper filter screen (66) is fixedly connected with a second buckle plate (67). The cross-sections of the second lower filter screen (64), the second middle filter screen (65) and the second upper filter screen (66) gradually decrease from bottom to top.

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