Uniform-mixing chemical feeding device at wet part of paper machine
The feeding device, controlled by gear meshing and electromagnetic switching valves, solves the problem of inaccurate chemical ratios in the wet end of traditional paper machines, achieving precise chemical ratios and efficient production, thus improving paper production efficiency.
Patent Information
- Application Number
- CN202423279541.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Traditional paper machine wet-end chemical ratios lack precise control, resulting in complex, time-consuming, and error-prone operations that fail to meet the high-efficiency production requirements of production lines.
The feeding device, which employs a gear meshing structure and electromagnetic switch valve control, achieves precise chemical proportioning through gear rotation and uses a controller to precisely control the opening and closing time of the switch valve to ensure that the chemicals enter the mixing tank in the correct proportion.
It achieves precise chemical proportions, simplifies operating procedures, improves production efficiency, ensures product quality, and meets the high-efficiency production rhythm of the production line.
Smart Images
Figure CN223697606U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to paper machine chemicals feeding technology field more specifically, relate to a kind of chemicals feeding device of paper machine wet part mixing uniformity. BACKGROUND
[0002] Paper machine wet part mixing uniformity's chemicals mainly involve various chemical additives added in papermaking process, these chemicals are fully mixed with pulp by specific mixing technology, to improve the performance and quality of paper, when chemicals are fed, feeding device needs to be used.
[0003] When traditional manual chemicals are proportioned, due to lack of accurate control means, operating personnel often need to estimate according to experience, which not only increases workload, but also easily leads to inaccurate proportioning, thereby affecting the quality of final product, secondly, traditional chemicals proportioning procedure is multiple and complex, from preparing chemicals to adjusting proportion to actual addition, the whole process involves multiple steps, not only time-consuming, but also prone to error, in the case of faster production speed, this manual operation mode is difficult to keep up with the rhythm of production line, thereby leading to production efficiency decline. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of chemicals feeding device of paper machine wet part mixing uniformity to solve the problems raised in the above background technology:
[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A kind of chemicals feeding device of paper machine wet part mixing uniformity, including base and fixed installation on its surface slurry tank, the surface of the slurry tank is fixedly installed with support frame, the surface of the support frame is correspondingly fixedly installed with two fixed rods, the end surface of two fixed rods is fixedly installed with fixed ring, the inner side of two fixed rings is respectively fixedly installed with first feeding tank and second feeding tank, the bottom of the first feeding tank and second feeding tank is fixedly installed with the lower pipe communicated with it, the inside of the support frame is correspondingly fixedly installed with two through hollow tubes, the surface of the support frame is correspondingly rotatably connected with two shafts, the end surface of two shafts is respectively coaxially fixedly installed with first gear and second gear, the first gear and second gear are engaged, the surface of the first gear and second gear is all provided with multiple different size through holes, two lower pipes are communicated with two hollow tubes by through hole.
[0007] Preferably, the bottom of two lower pipes is respectively matched with the surface of first gear and second gear Contact, the top of two hollow tubes is respectively matched with the bottom of first gear and second gear Contact, the bottom of two hollow tubes is all extended to the inside of slurry tank.
[0008] Preferably, the first gear and the second gear surface have the same number of through holes, and the smallest through hole of the second gear surface corresponds to the position of the largest through hole of the first gear surface.
[0009] Preferably, a chute is arranged on one side of the surface of the second feeding tank of the support frame, a sliding block matched with the chute is slidably connected to the inside of the chute, and a toothed plate engaged with the second gear is fixedly connected to the surface of the sliding block.
[0010] Preferably, a fixing frame is fixedly installed on the inner wall of one side of the chute, and an electric telescopic rod is fixedly installed on the surface of the fixing frame.
[0011] Preferably, the telescopic end of the electric telescopic rod is fixedly connected with the sliding block, and a discharge pipe is fixedly installed on the bottom surface of the mixing tank.
[0012] Preferably, an electromagnetic switch valve is fixedly installed on the surface of each of the two discharge pipes, and a controller is fixedly installed on the surface of the base.
[0013] Preferably, the electromagnetic switch valve is electrically connected with the controller through wires, and the electric telescopic rod is electrically connected with the controller through wires.
[0014] Compared with the prior art, the paper machine wet part mixed chemical feeding device has the following beneficial effects:
[0015] 1) When the paper machine wet part mixed chemical feeding device is used, the second gear rotates through the movement of the toothed plate, the first gear rotates along with the second gear due to the engagement of the first gear and the second gear, the first gear and the second gear rotate towards each other or in opposite directions, the through holes on the surfaces of the first gear and the second gear rotate in position, the through holes on the surfaces of the first gear and the second gear are respectively located below and communicated with the two discharge pipes according to the proportioning of the two chemicals, the discharge pipes are opened, the chemicals in the first feeding tank and the second feeding tank fall into the discharge pipes under the action of gravity, and then fall into the mixing tank through the respective through holes and hollow pipes.
[0016] 2) When the paper machine wet part mixed chemical feeding device is used, the through holes on the surfaces of the first gear and the second gear rotate in position to realize accurate position correspondence of the through holes, the controller can not only control the opening and closing of the electromagnetic switch valve, but also control the opening time of the electromagnetic switch valve, thereby realizing accurate proportioning of the two chemicals and ensuring the production quality of the products. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the first feeding tank and second feeding tank position structure schematic diagram of the utility model;
[0019] Figure 3 It is the first gear and second gear position structure schematic diagram of the utility model;
[0020] Figure 4 It is the electromagnetic switch valve installation position structure schematic diagram of the utility model.
[0021] Mark number explanation in drawing: 1, base; 2, slurry mixing jar; 3, support frame; 4, fixed rod; 5, fixed ring; 6, first feeding tank; 7, second feeding tank; 8, discharging pipe; 9, hollow pipe; 10, first gear; 11, second gear; 12, through hole; 13, rotating shaft; 14, sliding slot; 15, sliding block; 16, toothed plate; 17, fixed frame; 18, electric telescopic rod; 19, discharge pipe; 20, controller; 21, electromagnetic switch valve. DETAILED DESCRIPTION
[0022] Example 1: please refer to Figure 1 - Figure 4The utility model provides a kind of paper machine wet part mixed chemical feeding device, including base 1 and fixedly installed on its surface mixing tank 2, mixing tank 2 is conventional mixing tank 2 in prior art, support frame 3 is fixedly installed on the surface of mixing tank 2, two fixed rods 4 are fixedly installed on the surface of support frame 3 correspondingly, two fixed rings 5 are fixedly installed on the end surface of two fixed rods 4, and fixed ring 5 is used to support first feeding tank 6 and second feeding tank 7, first feeding tank 6 and second feeding tank 7 are fixedly installed on the inner side of two fixed rings 5 respectively, and first feeding tank 6 and second feeding tank 7 are used to prestore chemical raw materials, the bottom of first feeding tank 6 and second feeding tank 7 is fixedly installed with the discharge pipe 8 communicated with it, two through hollow tubes 9 are fixedly installed in the inside of support frame 3 correspondingly, two rotating shafts 13 are rotatably connected on the surface of support frame 3 correspondingly, first gear 10 and second gear 11 are coaxially fixedly installed on the end surface of two rotating shafts 13 respectively, first gear 10 and second gear 11 are engaged, a plurality of different size through holes 12 are formed on the surface of first gear 10 and second gear 11, two discharge pipes 8 are communicated with two hollow tubes 9 by through hole 12, second gear 11 is rotated by the movement of toothed plate 16, since first gear 10 and second gear 11 are engaged, first gear 10 rotates following second gear 11 at this time, first gear 10 and second gear 11 rotate towards each other or in opposite directions, so that the through hole 12 on the surface of first gear 10 and second gear 11 is rotated in position, according to the proportion of two kinds of chemicals, the through hole 12 on the surface of first gear 10 and second gear 11 is located below two discharge pipes 8 respectively and is communicated, the discharge pipe 8 is opened, at this time, the chemicals in first feeding tank 6 and second feeding tank 7 fall into the discharge pipe 8 under the action of gravity, and then fall into the inside of mixing tank 2 through respective through hole 12 and hollow tube 9, compared with traditional chemical proportioning, the feeding device can accurately proportion two kinds of chemicals, ensure the production quality of product in later period, the operation steps are simple, the time is less, and it is not easy to make mistakes, can satisfy the production rhythm of production line, and then improve the production efficiency of paper.
[0023] The bottom of two discharge pipes 8 is respectively matched with the surface of first gear 10 and second gear 11, the top of two hollow tubes 9 is respectively matched with the bottom of first gear 10 and second gear 11, the bottom of two hollow tubes 9 extends to the inside of mixing tank 2, the discharge pipe 8 is sealedly contacted with the surface of first gear 10 and second gear 11, and the hollow tube 9 is sealedly contacted with the bottom of first gear 10 and second gear 11, to prevent the leakage of chemicals.
[0024] The number of through holes 12 on the surface of first gear 10 and second gear 11 is same, the smallest through hole 12 on the surface of second gear 11 is corresponded with the largest through hole 12 on the surface of first gear 10, to realize accurate proportioning of chemicals.
[0025] The surface of the supporting frame 3 is provided with a chute 14 on one side of the second feeding tank 7, the inside of the chute 14 is slidably connected with a sliding block 15 matched with the chute 14, and the surface of the sliding block 15 is fixedly connected with a toothed plate 16 engaged with the second gear 11.
[0026] The inside wall of one side of the chute 14 is fixedly installed with a fixing frame 17, and the surface of the fixing frame 17 is fixedly installed with an electric telescopic rod 18.
[0027] The telescopic end of the electric telescopic rod 18 is fixedly connected with the sliding block 15, and the bottom surface of the mixing tank 2 is fixedly installed with a discharge pipe 19 for discharging the materials in the mixing tank 2, and the electric telescopic rod 18 is a conventional electric control push rod in the prior art.
[0028] The use steps of the paper machine wet part mixed chemical feeding device are as follows: when the paper machine wet part mixed chemical feeding device is used, first, two kinds of chemicals are added into the first feeding tank 6 and the second feeding tank 7 respectively, at this time, the discharge pipes 8 are in a closed state, the electric telescopic rod 18 is extended or retracted, the sliding block 15 moves in the inside of the chute 14, and then the toothed plate 16 moves to rotate the second gear 11, because the first gear 10 and the second gear 11 are engaged, at this time, the first gear 10 rotates with the second gear 11, the first gear 10 and the second gear 11 rotate towards each other or in opposite directions, so that the through holes 12 on the surfaces of the first gear 10 and the second gear 11 rotate in position, according to the proportioning of the two kinds of chemicals, the through holes 12 on the surfaces of the first gear 10 and the second gear 11 are respectively located below and communicated with the two discharge pipes 8, when the size of the through holes 12 matches the proportioning of the two kinds of chemicals, at this time, the discharge pipes 8 are opened, at this time, the chemicals in the first feeding tank 6 and the second feeding tank 7 fall into the discharge pipes 8 under the action of gravity, and then fall into the mixing tank 2 through the respective through holes 12 and the hollow pipes 9, according to the proportioning of the two kinds of chemicals, the through holes 12 on the surfaces of the first gear 10 and the second gear 11 are respectively located below and communicated with the two discharge pipes 8, the discharge pipes 8 are opened, at this time, the chemicals in the first feeding tank 6 and the second feeding tank 7 fall into the discharge pipes 8 under the action of gravity, and then fall into the mixing tank 2 through the respective through holes 12 and the hollow pipes 9, compared with the traditional chemical proportioning, the feeding device can accurately proportion the two kinds of chemicals, ensure the production quality of the products in the later period, the operation steps are simple, time-saving, error-proof, can meet the production rhythm of the production line, and then the paper production efficiency is improved.
[0029] Example 2: please refer to Figure 1 -Figure 4 The difference from embodiment 1 is that electromagnetic switch valves 21 are fixedly installed on the surfaces of both feed pipes 8. The electromagnetic switch valves 21 are conventional electromagnetic switch valves 21 in the prior art. A controller 20 is fixedly installed on the surface of the base 1. The controller 20 is a conventional programmable controller 20 in the prior art.
[0030] The electromagnetic switch valve 21 is electrically connected to the controller 20 via a wire, and the electric telescopic rod 18 is electrically connected to the controller 20 via a wire. The position is rotated through the through hole 12 on the surface of the first gear 10 and the second gear 11, so that the position of the through hole 12 is precisely aligned. The controller 20 can not only control the opening and closing of the electromagnetic switch valve 21, but also control the opening time of the electromagnetic switch valve 21, thereby achieving precise proportioning of the two chemicals and ensuring the production quality of the subsequent products.
[0031] The steps of using this utility model are as follows: When using this chemical feeding device for uniformly mixing the wet end of the paper machine, the ratio of the two chemicals is input into the controller 20. The controller 20 controls the extension and retraction of the electric telescopic rod 18, causing the toothed plate 16 to move and rotate the second gear 11. At this time, the first gear 10 follows the rotation of the second gear 11, causing the through holes 12 on the surfaces of the first gear 10 and the second gear 11 to rotate and achieve precise alignment of the through holes 12. The controller 20 controls the opening of the electromagnetic switch valve 21, allowing the chemicals to fall under the action of gravity. The controller 20 can not only control the opening and closing of the electromagnetic switch valve 21, but also control the duration of the opening of the electromagnetic switch valve 21, thereby achieving precise ratio of the two chemicals and ensuring the production quality of the subsequent products.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A chemical feeding device for uniform mixing in the wet end of a paper machine, comprising a base (1) and a mixing tank (2) fixedly mounted on its surface, characterized in that: A support frame (3) is fixedly installed on the surface of the mixing tank (2). Two fixed rods (4) are fixedly installed on the surface of the support frame (3). Fixed rings (5) are fixedly installed on the end surfaces of the two fixed rods (4). A first feeding tank (6) and a second feeding tank (7) are fixedly installed on the inner sides of the two fixed rings (5). A discharge pipe (8) connected to the bottom surface of the first feeding tank (6) and the second feeding tank (7) is fixedly installed. Two through hollow tubes (9) are fixedly installed inside the support frame (3). Two rotating shafts (13) are rotatably connected to the surface of the support frame (3). A first gear (10) and a second gear (11) are fixedly installed on the end surfaces of the two rotating shafts (13) on the same axis. The first gear (10) and the second gear (11) mesh with each other. Multiple through holes (12) of different sizes are opened on the surfaces of the first gear (10) and the second gear (11). The two discharge pipes (8) are connected to the two hollow tubes (9) through the through holes (12).
2. The chemical feeding device for uniform mixing in the wet end of a paper machine according to claim 1, characterized in that: The bottom surfaces of the two feed tubes (8) respectively engage with the surfaces of the first gear (10) and the second gear (11), and the top surfaces of the two hollow tubes (9) respectively engage with the bottom surfaces of the first gear (10) and the second gear (11). The bottom ends of the two hollow tubes (9) extend into the interior of the mixing tank (2).
3. The chemical feeding device for uniform mixing in the wet end of a paper machine according to claim 1, characterized in that: The number of through holes (12) on the surfaces of the first gear (10) and the second gear (11) is the same, and the position of the smallest through hole (12) on the surface of the second gear (11) corresponds to the position of the largest through hole (12) on the surface of the first gear (10).
4. The chemical feeding device for uniform mixing in the wet end of a paper machine according to claim 1, characterized in that: A groove (14) is provided on one side of the second feeding tank (7) on the surface of the support frame (3). A matching slider (15) is slidably connected inside the groove (14). A toothed plate (16) that meshes with the second gear (11) is fixedly connected to the surface of the slider (15).
5. A chemical feeding device for uniform mixing in the wet end of a paper machine according to claim 4, characterized in that: A fixing frame (17) is fixedly installed on one side of the inner wall of the slide (14), and an electric telescopic rod (18) is fixedly installed on the surface of the fixing frame (17).
6. The chemical feeding device for uniform mixing in the wet end of a paper machine according to claim 5, characterized in that: The telescopic end of the electric telescopic rod (18) is fixedly connected to the slider (15), and the bottom surface of the mixing tank (2) is fixedly installed with a discharge pipe (19).
7. The chemical feeding device for uniform mixing in the wet end of a paper machine according to claim 1, characterized in that: Electromagnetic switch valves (21) are fixedly installed on the surfaces of both feed pipes (8), and a controller (20) is fixedly installed on the surface of the base (1).
8. A chemical feeding device for uniform mixing in the wet end of a paper machine according to claim 7, characterized in that: The electromagnetic switch valve (21) is electrically connected to the controller (20) via a wire, and the controller (20) is electrically connected to the electric telescopic rod (18) via a wire.