Cement grinding aid linkage type injector

Abstract

The utility model discloses a cement grinding aid linkage type material injector, which relates to the technical field of material injectors and comprises a sleeve, a material storage tank is arranged at the top end of the sleeve, and a first rotating motor is mounted in the middle of the top end of the material storage tank. A rotating frame and an inclined rod are installed at the top and the bottom of the output end of the first rotating motor through fixedly-arranged rotating shafts correspondingly, a scraping piece is fixedly connected to the bottom end of the inclined rod, a flow adjusting valve is installed at a discharging opening in the bottom end of the material storage tank, and a second rotating motor is installed at one end of a sleeve. A spiral shaft is installed at the output end of the second rotating motor, and a feeding pipe penetrates through the bottom end of the sleeve. According to the utility model, a series of structures are arranged, so that the flow regulating valve can regulate and control the powder grinding aid, the adverse effect on the injection efficiency of the injector is reduced, the grinding aid and cement clinker are more easily and uniformly mixed, and the grinding aid can fully play a role.

Description

Technical Field

[0001] This utility model relates to the field of feeder technology, specifically a cement grinding aid linkage feeder. Background Technology

[0002] Cement grinding aid is a dispersant added during the process of grinding cement clinker into powder. It can improve the grinding efficiency of cement clinker, reduce the energy consumption of the mill, and will not damage the performance of cement. Cement grinding aid needs to be added to the mill equipment through a feeder before the cement clinker is fed.

[0003] However, existing cement grinding aid feeders require the solid grinding aid powder to be pre-stored in the feeder's storage tank before being injected into the mill. The feed rate is controlled by a flow control valve. Since powdered grinding aids have lower fluidity than liquid ones, the powder flows slowly towards the flow control valve during feeding, hindering the valve's ability to regulate the powder and impacting the feeder's efficiency. Furthermore, existing feeders directly inject the grinding aid into the cement mill without pre-mixing it with the cement clinker. This results in uneven mixing of the powdered grinding aid within the mill, hindering the grinding aid's effectiveness. Utility Model Content

[0004] The purpose of this invention is to provide a linked feeder for cement grinding aids to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cement grinding aid linkage feeder, comprising a sleeve, a storage tank at the top of the sleeve, a first rotary motor installed at the middle of the top of the storage tank, a rotating frame and an inclined rod respectively installed at the top and bottom of the output end of the first rotary motor via a fixed rotating shaft, a scraper fixedly connected to the bottom end of the inclined rod, a flow regulating valve installed at the discharge port at the bottom of the storage tank, a second rotary motor installed at one end of the sleeve, a spiral shaft installed at the output end of the second rotary motor, a feeding pipe passing through the bottom end of the sleeve, a mixing tank fixedly connected to the bottom end of the feeding pipe, a third rotary motor installed at the middle of the top of the mixing tank, a mixing anchor rod installed at the output end of the third rotary motor, a feed hopper passing through the top of the mixing tank, a receiving hopper at the bottom of the feed hopper, and a flow sensor installed on one side wall of the bottom of the receiving hopper.

[0006] Preferably, a grinding aid feed pipe extends through one side of the top of the storage tank, and a funnel is fixedly connected to the top of the grinding aid feed pipe.

[0007] Preferably, the interior of the storage tank is in communication with the interior of the sleeve, and the interior of the sleeve is in communication with the interior of the feeding pipe.

[0008] Preferably, an electromagnetic control valve is installed at the discharge port at the bottom of the mixing tank, and the mixing tank is connected to the interior of the sleeve through a feeding pipe.

[0009] Preferably, a scraper is fixedly connected to one side wall of the rotating frame, and both the rotating frame and the scraper are slidably connected to the inner wall of the storage tank via a rotating shaft.

[0010] Preferably, a controller is installed on the inner wall of the mixing tank, and the controller is electrically connected to the flow regulating valve and the flow sensor respectively.

[0011] Preferably, a rotating roller is rotatably connected to the middle of the inner side of the receiving hopper, and the rotating roller is located directly above the flow sensor.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This cement grinding aid linkage feeder, through a first rotating motor, rotating frame, inclined rod and scraper, enables the grinding aid powder pre-stored in the feeder's storage tank structure to slide quickly along the inner wall of the storage tank to the flow regulating valve at the discharge port of the storage tank under the scraping action of the rotating frame and scraper driven by the motor. This facilitates the flow regulating valve's control of the powdered grinding aid and reduces the adverse effects on the feeder's feeding efficiency.

[0014] 2. This cement grinding aid linkage feeder, through a mixing tank, feed hopper, receiving hopper and mixing anchor rod, allows the grinding aid and cement clinker to be pre-mixed in the mixing tank and mixing anchor rod before being added to the cement mill. Furthermore, the grinding aid and cement clinker are mixed again after entering the mill, making it easier for the grinding aid and cement clinker to be mixed evenly, thus facilitating the full effect of the grinding aid. Attached Figure Description

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

[0016] Figure 2 This is a schematic diagram of the rotating frame and scraper structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the receiving hopper and rotating roller structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the storage tank and mixing tank of this utility model.

[0019] In the diagram: 1. Grinding aid feed pipe; 2. First rotary motor; 3. Storage tank; 4. Flow regulating valve; 5. Second rotary motor; 6. Sleeve; 7. Feed pipe; 8. Third rotary motor; 9. Feed hopper; 10. Mixing tank; 11. Electromagnetic control valve; 12. Rotating frame; 13. Inclined rod; 14. Scraper; 15. Spiral shaft; 16. Receiving hopper; 17. Controller; 18. Flow sensor; 19. Rotating roller; 20. Mixing anchor rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" 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 connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] like Figures 1 to 4As shown, the cement grinding aid linkage feeder of this embodiment includes a sleeve 6, a storage tank 3 at the top of the sleeve 6, a first rotary motor 2 installed at the middle of the top of the storage tank 3, a rotating frame 12 and an inclined rod 13 respectively installed at the top and bottom of the output end of the first rotary motor 2 via a fixed rotating shaft, a scraper 14 fixedly connected to the bottom end of the inclined rod 13, a flow regulating valve 4 installed at the discharge port at the bottom end of the storage tank 3, a second rotary motor 5 installed at one end of the sleeve 6, a spiral shaft 15 installed at the output end of the second rotary motor 5, a feeding pipe 7 passing through the bottom end of the sleeve 6, a mixing tank 10 fixedly connected to the bottom end of the feeding pipe 7, a third rotary motor 8 installed at the middle of the top of the mixing tank 10, a mixing anchor rod 20 installed at the output end of the third rotary motor 8, a feed hopper 9 passing through the top of the mixing tank 10, a receiving hopper 16 installed at the bottom end of the feed hopper 9, and a flow sensor 18 installed on one side wall of the bottom of the receiving hopper 16.

[0024] Specifically, the sleeve 6 has an internal cavity and both ends are closed structures, one end of which is a detachable end cap. The storage tank 3 is used to temporarily store the grinding aid powder, making it easier for the grinding aid to be injected into the mill through the feeder. After the first rotary motor 2 is powered on, it can drive the rotating frame 12 and the inclined rod 13 to rotate, so that the rotating frame 12 and the scraper 14 can scrape along the inner wall of the storage tank 3, thereby accelerating the flow speed of the grinding aid powder in the storage tank 3 and reducing the adhesion of the grinding aid powder to the inner wall. This facilitates the accelerated flow of the grinding aid powder to the flow regulating valve 4. The function of the flow regulating valve 4 is to regulate the powder flowing out of the storage tank 3. The spiral shaft 15 can rotate inside the sleeve 6, so that the grinding aid powder can be injected into the mill through the feeder. The grinding aid powder is simultaneously agitated during conveying within the sleeve 6, breaking up any clumps and facilitating its subsequent mixing with cement clinker in the mixing tank 10. The feed pipe 7 allows the grinding aid powder to enter the mixing tank 10 for agitation. The stirring anchor 20 agitates the grinding aid and cement clinker within the mixing tank 10, promoting their initial mixing. The bottom of the feed hopper 9 connects to the top of the receiving hopper 16, allowing cement clinker to enter the receiving hopper 16. As the cement clinker passes through the receiving hopper 16, it is detected by the flow sensor 18 on the outer wall of the receiving hopper 16, facilitating the detection of the added cement clinker flow rate.

[0025] Furthermore, a grinding aid feed pipe 1 runs through one side of the top of the storage tank 3. A funnel is fixedly connected to the top of the grinding aid feed pipe 1, which facilitates the replenishment of grinding aid powder into the storage tank 3, thereby ensuring that there is enough grinding aid powder in the storage tank 3.

[0026] Furthermore, the interior of the storage tank 3 is connected to the interior of the sleeve 6, and the interior of the sleeve 6 is connected to the interior of the feeding pipe 7, so that the grinding aid powder in the storage tank 3 can smoothly enter the sleeve 6 and the feeding pipe 7, thereby realizing the feeding of this feeder.

[0027] Furthermore, an electromagnetic control valve 11 is installed at the discharge port at the bottom of the mixing tank 10. The mixing tank 10 is connected to the inside of the sleeve 6 through the feeding pipe 7. The function of the electromagnetic control valve 11 is to control the opening and closing of the discharge port at the bottom of the mixing tank 10, so that the cement clinker entering the mixing tank 10 can be fully mixed with the grinding aid powder before entering the cement mill.

[0028] Furthermore, a scraper is fixedly connected to one side wall of the rotating frame 12. Both the rotating frame 12 and the scraper 14 are slidably connected to the inner wall of the storage tank 3 through a rotating shaft. The scraper is made of silicone material. When the rotating frame 12 rotates, it can scrape against the inner wall of the storage tank 3, which helps to reduce the residue of grinding aid powder in the storage tank 3.

[0029] Furthermore, a controller 17 is installed on the inner wall of the mixing tank 10. The controller 17 is electrically connected to the flow regulating valve 4 and the flow sensor 18 respectively. The controller 17 can synchronously control the flow regulating valve 4 and the flow sensor 18, so that the feeding of cement clinker and the flow rate of grinding aid output from the storage tank 3 can be controlled in a coordinated manner, thereby improving the feeding efficiency of the feeder.

[0030] Furthermore, a rotating roller 19 is rotatably connected to the middle of the inner side of the receiving hopper 16. The rotating roller 19 is located directly above the flow sensor 18. The function of the rotating roller 19 is to reduce the probability of cement clinker hitting the flow sensor 18 vertically, thus protecting the flow sensor 18.

[0031] The usage method of this embodiment is as follows: When using this cement grinding aid linkage feeder, first install the feeder at the feed inlet of the mill, then connect the feeder to an external power supply, and then add the grinding aid powder into the storage tank 3 through the grinding aid feed pipe 1. When the flow regulating valve 4 at the bottom of the storage tank 3 is opened, the first rotary motor 2 at the top of the storage tank 3 will start, driving the rotating frame 12 and the scraper 14 at the bottom of the inclined rod 13 to rotate, so that the rotating frame 12 and the scraper 14 quickly scrape the grinding aid powder in the storage tank 3 towards the flow regulating valve 4. Then the powder will pass through the flow regulating valve 4 into the sleeve 6. At this time, the spiral shaft 15, driven by the second rotary motor 5, will convey the grinding aid powder that has entered the sleeve 6 to the top of the feeding pipe 7. Then the grinding aid powder will enter the mixing tank through the feeding pipe 7. Inside the mixing tank 10, the third rotary motor 8 at the top of the mixing tank 10 will start, driving the mixing anchor 20 to rotate. At the same time, cement clinker will slide from the feed hopper 9 into the receiving hopper 16. When the cement clinker passes through the receiving hopper 16, the flow sensor 18 on the receiving hopper 16 will monitor the flow rate of the cement clinker and then send an electrical signal to the controller 17. After receiving and processing the signal, the controller 17 will control the flow regulating valve 4 at the bottom of the storage tank 3, so that the injection flow rate of the grinding aid powder can be linked with the feeding of the cement clinker. Then, the cement clinker and the grinding aid powder will be initially mixed under the stirring of the mixing anchor 20. Finally, the electromagnetic control valve 11 at the bottom of the mixing tank 10 will be opened, so that the initially mixed cement clinker and grinding aid powder will enter the cement mill for crushing and grinding.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cement grinding aid linkage feeder, comprising a sleeve (6), characterized in that: A storage tank (3) is provided at the top of the sleeve (6). A first rotary motor (2) is installed at the middle of the top of the storage tank (3). A rotating frame (12) and a diagonal rod (13) are respectively installed at the top and bottom of the output end of the first rotary motor (2) through a fixed rotating shaft. A scraper (14) is fixedly connected to the bottom end of the diagonal rod (13). A flow regulating valve (4) is installed at the discharge port at the bottom end of the storage tank (3). A second rotary motor (5) is installed at one end of the sleeve (6). The output of the second rotary motor (5) is... A spiral shaft (15) is installed at one end. A feeding pipe (7) passes through the bottom end of the sleeve (6). A mixing tank (10) is fixedly connected to the bottom end of the feeding pipe (7). A third rotary motor (8) is provided at the middle of the top of the mixing tank (10). A stirring anchor rod (20) is installed at the output end of the third rotary motor (8). A feed hopper (9) passes through the top of the mixing tank (10). A receiving hopper (16) is provided at the bottom end of the feed hopper (9). A flow sensor (18) is installed on one side wall of the bottom of the receiving hopper (16).

2. The cement grinding aid linkage feeder according to claim 1, characterized in that: A grinding aid feed pipe (1) runs through one side of the top of the storage tank (3), and a funnel is fixedly connected to the top of the grinding aid feed pipe (1).

3. The cement grinding aid linkage feeder according to claim 1, characterized in that: The interior of the storage tank (3) is connected to the interior of the sleeve (6), and the interior of the sleeve (6) is connected to the interior of the feeding pipe (7).

4. The cement grinding aid linkage feeder according to claim 1, characterized in that: An electromagnetic control valve (11) is installed at the discharge port at the bottom of the mixing tank (10), and the mixing tank (10) is connected to the inside of the sleeve (6) through the feeding pipe (7).

5. A cement grinding aid linkage feeder according to claim 1, characterized in that: A scraper is fixedly connected to one side wall of the rotating frame (12), and both the rotating frame (12) and the scraper (14) are slidably connected to the inner wall of the storage tank (3) through a rotating shaft.

6. A cement grinding aid linkage feeder according to claim 1, characterized in that: A controller (17) is installed on the inner wall of the mixing tank (10), and the controller (17) is electrically connected to the flow regulating valve (4) and the flow sensor (18).

7. A cement grinding aid linkage feeder according to claim 1, characterized in that: A rotating roller (19) is rotatably connected to the middle of the inner side of the receiving hopper (16), and the rotating roller (19) is located directly above the flow sensor (18).

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