A device for controlling the molar ratio of highly active calcium aluminate refractory binder

Abstract

This utility model discloses a molar ratio control device for highly active calcium aluminate refractory binders, belonging to the field of mixing technology. The device includes a mixing tank and a support base. The mixing tank is mounted on the support base, and a top cover is provided on the top of the mixing tank. Multiple feed inlets are evenly distributed around the circumference of the top cover. Multiple metering pumps are installed on the top cover, connected to the feed inlets. Each metering pump has a storage tank on its top. A stirring motor is installed in the center of the top of the mixing tank, and a stirring paddle is installed at the output end of the motor. The lower end of the mixing tank has a conical bottom, and a sampling module for extracting materials from the tank is provided at the bottom. The sampling module is connected to a component analyzer. This device solves the problems of automatic quantitative feeding and online component detection of highly active calcium aluminate refractory binders, achieving precise control of the binder's molar ratio.

Description

Technical Field

[0001] This utility model relates to a device for controlling the molar ratio of highly active calcium aluminate refractory binder, belonging to the field of mixing technology. Background Technology

[0002] Highly active calcium aluminate refractory binder is an important inorganic material mainly used in high-temperature industrial fields such as steel, non-ferrous metals, cement, and glass. As a binder for refractory materials, it imparts excellent high-temperature performance to refractory materials.

[0003] With the increasing demand for high-activity calcium aluminate refractory binders in industry, traditional production methods suffer from compositional fluctuations, difficulty in controlling molar ratios, poor product performance consistency, and long R&D cycles. For example, a raw powder batching system authorized on August 4, 2023, with announcement number CN219463101U, includes: a working tank, with support columns evenly installed at the bottom end of the working tank, and a top cover provided at the top end of the working tank. A drive motor is installed at the middle position of the top end of the top cover, and a rotating rod is installed at the output end of the drive motor. A stirring rod is evenly installed at the lower end of the outer wall of the rotating rod, and a mounting frame is installed at the top end of the top cover, with a material cylinder evenly installed at the top end of the mounting frame.

[0004] The aforementioned device can be applied to the regulation of highly active calcium aluminate refractory binders to achieve quantitative feeding. However, considering the industry's trend towards automation and intelligence, the aforementioned device cannot achieve automated quantitative feeding or online component detection, and most of it requires manual operation. Therefore, the above problems urgently need to be solved. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a high-activity calcium aluminate refractory binder molar ratio control device, which solves the problems of automatic quantitative feeding and online component detection of high-activity calcium aluminate refractory binder, and realizes precise control of binder component molar ratio.

[0006] The technical solution adopted by this utility model to solve its existing problems is:

[0007] A highly active calcium aluminate refractory binder molar ratio control device includes a mixing tank and a support base. The mixing tank is installed on the support base, and a mixing tank top cover is provided on the top of the mixing tank. Multiple mixing tank inlets are evenly distributed around the circumference of the mixing tank top cover. Multiple metering pumps are installed on the mixing tank top cover. The metering pumps are connected to the mixing tank inlets, and a storage tank is installed on the top of each metering pump.

[0008] A stirring motor is installed at the center of the top of the mixing tank, and a stirring paddle is installed at the output end of the stirring motor;

[0009] The mixing tank has a conical bottom at the bottom, and a sampling module for extracting materials from the mixing tank is provided at the conical bottom. The sampling module is connected to a component analyzer.

[0010] The control cabinet is mounted on the support base, and the metering pump, stirring motor and component analyzer are all electrically connected to the control cabinet.

[0011] Preferably, the sampling module includes a sampling hole, a sampling switch, and a pneumatic component. The sampling hole is provided with a conical hole and a stepped hole communicating with the conical hole.

[0012] A sampling switch is installed inside the sampling hole. The sampling switch includes a conical plug that abuts against the conical hole. A conical plug rod is fixed below the conical plug. The lower end of the conical plug rod is an arc-shaped surface. A return spring is sleeved on the conical plug rod. One end of the return spring is fixedly connected to the bottom of the conical plug, and the other end is fixedly connected to the stepped end face of the stepped hole.

[0013] Preferably, the lower end of the mixing tank is provided with a mounting base, and a pneumatic component is installed on the mounting base. The pneumatic component includes a pneumatic valve, which is electrically connected to the control cabinet. The pneumatic valve is provided with a pneumatic valve stem, which is slidably connected to the mounting base. The end of the pneumatic valve stem is provided with a sliding inclined surface, and a sampling tube is provided below it.

[0014] The sampling tube has a hollow structure, and a U-shaped part is opened on the side of the sampling tube away from the pneumatic valve.

[0015] Preferably, the lower end of the mixing tank is provided with a contoured through hole that communicates with the sampling hole, and the pneumatic valve stem and the sampling tube are aligned with the contoured through hole.

[0016] Preferably, a pusher is fixed below the mounting base, and the pusher is slidably connected to the sampling tube.

[0017] Preferably, the control cabinet is equipped with an operation screen for human-machine interaction to operate the equipment.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] This utility model features a flexible design and convenient operation. Through the design of the sampling module and the integration of various functional parts with the central control system, it solves the problems of automatic quantitative feeding and online component detection of highly active calcium aluminate refractory binder, and achieves precise control of the molar ratio of binder components. This further realizes the development of automation and intelligence, and improves work efficiency and product quality. Attached Figure Description

[0020] Figure 1 This is a structural diagram of a highly active calcium aluminate refractory binder molar ratio control device according to the present invention;

[0021] Figure 2This is a partial sectional front view of a highly active calcium aluminate refractory binder molar ratio control device according to the present invention.

[0022] Figure 3 This is a partial enlarged view of point A in the partial cross-sectional main view of a highly active calcium aluminate refractory binder molar ratio control device of this utility model;

[0023] Figure 4 This is a structural diagram of the pneumatic components of a device for controlling the molar ratio of a highly active calcium aluminate refractory binder according to this utility model.

[0024] In the picture:

[0025] 1. Mixing tank; 101. Mixing paddle; 102. Mixing tank top cover; 1021. Mixing tank inlet; 103. Sampling hole; 1031. Conical hole; 1032. Stepped hole; 104. Sampling switch; 1041. Conical plug; 1042. Conical plug rod; 1043. Return spring; 1044. Arc-shaped surface; 105. Mounting base; 1051. Push rod; 106. Conical through hole; 107. Mixing tank outlet; 108. First pneumatic butterfly valve; 109. Conical bottom; 2. Metering pump; 3. Storage tank; 301. Second pneumatic butterfly valve; 4. Mixing motor; 5. Pneumatic assembly; 501. Pneumatic valve; 502. Pneumatic valve rod; 5021. Limiting groove; 5022. Sliding inclined surface; 503. Sampling tube. 5031, U-shaped part; 504, connecting plate; 6, component analyzer; 601, sample inlet; 7, support; 8, load-bearing base; 9, control cabinet; 10, operation panel. Detailed Implementation

[0026] This specification and claims do not distinguish components by differences in name, but by differences in function. In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," and "horizontal," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are 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, and therefore should not be construed as a limitation of this utility model. In this utility model, unless otherwise expressly specified and limited, the terms "installed," "connected," "linked," and "fixed," etc., should be interpreted broadly. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] like Figures 1-4The device shown is a high-activity calcium aluminate refractory binder molar ratio control device, including a mixing tank 1 and a support base 8. A support 7 is installed on the mixing tank 1, and the mixing tank 1 is fixedly installed on the support base 8 through the support 7. A mixing tank top cover 102 is provided on the top of the mixing tank 1. Multiple mixing tank inlets 1021 are evenly distributed around the circumference of the mixing tank top cover 102. Multiple metering pumps 2 are installed on the mixing tank top cover 102. The metering pumps 2 are connected to the mixing tank inlets 1021. A storage tank 3 is installed on the top of each metering pump 2. A second pneumatic butterfly valve 301 is provided at the lower end of the storage tank 3 to control the material entering the metering pump 2.

[0028] A stirring motor 4 is installed at the center of the top of the mixing tank 1. A stirring paddle 101 is installed at the output end of the stirring motor 4. The stirring motor 4 drives the stirring paddle 101 to rotate, thereby stirring and mixing the materials in the mixing tank 1.

[0029] The lower end of the mixing tank 1 is provided with a conical bottom 109, and the conical bottom 109 is provided with a sampling module for extracting materials in the mixing tank 1. The sampling module is connected to the component analyzer 6.

[0030] A control cabinet 9 is also installed on the support base 8. The control cabinet 9 contains a central control system. The metering pump 2, the second pneumatic butterfly valve 301, the stirring motor 4, and the component detector 6 are all electrically connected to the control cabinet 9 and integrated with the internal central control system. An operation panel 10 is installed on the control cabinet 9 for human-machine interaction and equipment operation.

[0031] The sampling module includes a sampling hole 103, a sampling switch 104, and a pneumatic assembly 5. The sampling hole 103 has a conical hole 1031 and a stepped hole 1032 communicating with the conical hole 1031. The sampling switch 104 is installed in the sampling hole 103. The sampling switch 104 includes a conical plug 1041, which abuts against the conical hole 1031. A conical plug rod 1042 is fixed below the conical plug 1041. The lower end of the conical plug rod 1042 has an arc-shaped surface 1044. A return spring 1043 is sleeved on the conical plug rod 1042. One end of the return spring 1043 is fixedly connected to the bottom of the conical plug 1041, and the other end is fixedly connected to the stepped end face of the stepped hole 1032. The length of the conical plug rod 1042 is greater than the length of the return spring 1043.

[0032] The lower end of the mixing tank 1 is provided with a mounting base 105 located on one side of the sampling switch 104. A pneumatic assembly 5 is installed on the mounting base 105. The pneumatic assembly 5 includes a pneumatic valve 501, which is electrically connected to the control cabinet 9 and integrated with the internal central control system. The pneumatic valve 501 is provided with a pneumatic valve stem 502, which is slidably connected to the mounting base 105. The end of the pneumatic valve stem 502 is provided with a sliding inclined surface 5022. A limiting groove 5021 is provided above the sliding inclined surface 5022, and a sampling tube 503 is provided below it. A connecting plate 504 is provided between the pneumatic valve stem 502 and the sampling tube 503. The connecting plate 504 is used to connect the pneumatic valve stem 502 and the sampling tube 503.

[0033] The sampling tube 503 has a hollow structure, and a U-shaped part 5031 is provided on the side of the sampling tube 503 away from the pneumatic valve 501.

[0034] The lower end of the mixing tank 1 has a contoured through-hole 106 communicating with the sampling port 103. The shape of the contoured through-hole 106 is the same as the cross-sectional shape of the pneumatic valve rod 502, the sampling tube 503, and the connecting plate 504. The contoured through-hole 106 is adapted to the pneumatic valve rod 502, the sampling tube 503, and the connecting plate 504, and the pneumatic valve rod 502 and the sampling tube 503 are aligned with the contoured through-hole 106. A pusher rod 1051 is fixed below the mounting base 105, and the pusher rod 1051 is slidably connected to the sampling tube 503.

[0035] The mixing tank 1 has a discharge port 107 at its lower end, and a first pneumatic butterfly valve 108 is installed on the discharge port 107 to control the opening or closing of the discharge port 107. The first pneumatic butterfly valve 108 is electrically connected to the control cabinet 9. The component analyzer 6 has a sample inlet 601, which is located below the sampling tube 503.

[0036] During operation, various parameters such as molar ratio and raw material demand are set through the operation screen 10. Various raw materials enter the metering pump 2 from each storage tank 3. The metering pump 2 controls the amount of raw materials entering the metering pump 2 according to the raw material demand. The raw materials enter the mixing tank 1 from the metering pump 2 through the feed port 1021 of each mixing tank. The stirring motor 4 drives the stirring paddle 101 to carry out the mixing work.

[0037] When the mixing process reaches the preset time, the sampling module needs to take samples to detect the molar ratio of the mixed materials. The pneumatic valve 501 drives the pneumatic valve rod 502 and the sampling tube 503 to perform reciprocating linear motion, combined with... Figure 2 and Figure 3As shown, when the pneumatic valve 501 drives the pneumatic valve rod 502 and sampling tube 503 to move to the left, the pneumatic valve rod 502, sampling tube 503, and connecting plate 504 slide against the contoured through hole 106. The pneumatic valve rod 502, sampling tube 503, and connecting plate 504 pass through the contoured through hole 106 and enter the sampling hole 103. The pusher rod 1051 separates from the sampling tube 503, and the arc-shaped surface 1044 of the conical stopper rod 1042 slides against the sliding inclined surface 5022 of the pneumatic valve rod 502. The sliding inclined surface 5022 causes the conical stopper rod 1042 to move upward along the axial direction. Rod 1042 pushes the conical plug 1041 upward, causing the conical plug 1041 to separate from the conical hole 1031. When the conical plug rod 1042 slides into the limiting groove 5021, the conical plug rod 1042 stops moving. The limiting groove 5021 is a groove structure with one end open, which restricts the radial movement of the conical plug rod 1042 in the right, forward, and backward directions, thereby restricting the movement of the sampling switch 104 and ensuring that the sampling switch 104 does not deviate from the pneumatic valve rod 502, thus ensuring the normal opening of the sampling switch 104. At the same time as the sampling switch 104 is opened, the return spring 1043 is stretched. The material in the mixing tank 1 falls into the U-shaped part 5031 of the sampling tube 503 through the sampling hole 103. The pneumatic valve 501 drives the pneumatic valve rod 502 and the sampling tube 503 to move to the right. The pusher 1051 enters the sampling tube 503. During the movement to the right, the pusher 1051 pushes the material in the U-shaped part 5031 to move to the left until the end of the pusher 1051 is completely flush with the end of the sampling tube 503. At this time, the material also falls completely into the sample inlet 601 of the component analyzer 6. The reset spring 1043 drives the sampling switch 104 to reset, so that the conical plug 1041 and the conical hole 1031 re-abut against each other, and the sampling is completed.

[0038] The component analyzer 6 performs molar ratio detection on the sample material and feeds the detection results back to the central control system in the control cabinet 9. After receiving the online analysis data, the central controller compares it with the set value in the system, calculates the deviation, and opens the second pneumatic butterfly valve 301 of the raw material storage tank 3 that needs adjustment based on the deviation. The material enters the corresponding metering pump 2, and the metering pump 2 adjusts the amount of raw material added according to the parameters. The adjusted raw material then enters the mixing tank inlet 1021 through the metering pump 2. The stirring paddle 101 continues to stir the material in the mixing tank 1 until the material molar ratio is maintained within the set range.

[0039] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A device for controlling the molar ratio of highly active calcium aluminate refractory binder, comprising a mixing tank (1) and a support base (8), wherein the mixing tank (1) is mounted on the support base (8), characterized in that: The mixing tank (1) is provided with a mixing tank top cover (102) on the top. Multiple mixing tank inlets (1021) are evenly distributed around the circumference of the mixing tank top cover (102). Multiple metering pumps (2) are installed on the mixing tank top cover (102). The metering pumps (2) are connected to the mixing tank inlets (1021). Each metering pump (2) is equipped with a storage tank (3) on its top. A stirring motor (4) is installed at the center of the top of the mixing tank (1), and a stirring paddle (101) is installed at the output end of the stirring motor (4). The mixing tank (1) is provided with a conical bottom (109) at the lower end. The conical bottom (109) is provided with a sampling module for extracting materials in the mixing tank (1). The sampling module is connected to the component analyzer (6). The control cabinet (9) is installed on the load-bearing base (8). The metering pump (2), stirring motor (4) and component detector (6) are all electrically connected to the control cabinet (9).

2. The molar ratio control device for highly active calcium aluminate refractory binder according to claim 1, characterized in that: The sampling module includes a sampling hole (103), a sampling switch (104), and a pneumatic component (5). The sampling hole (103) is provided with a conical hole (1031) and a stepped hole (1032) communicating with the conical hole (1031). A sampling switch (104) is installed in the sampling hole (103). The sampling switch (104) includes a conical plug (1041), which abuts against the conical hole (1031). A conical plug rod (1042) is fixed below the conical plug (1041). An arc-shaped surface (1044) is provided at the lower end of the conical plug rod (1042). A return spring (1043) is sleeved on the conical plug rod (1042). One end of the return spring (1043) is fixedly connected to the bottom of the conical plug (1041), and the other end is fixedly connected to the stepped end face of the stepped hole (1032).

3. The molar ratio control device for highly active calcium aluminate refractory binder according to claim 2, characterized in that: The mixing tank (1) is provided with a mounting base (105) at its lower end. A pneumatic assembly (5) is installed on the mounting base (105). The pneumatic assembly (5) includes a pneumatic valve (501). The pneumatic valve (501) is electrically connected to the control cabinet (9). The pneumatic valve (501) is provided with a pneumatic valve stem (502). The pneumatic valve stem (502) is slidably connected to the mounting base (105). The end of the pneumatic valve stem (502) is provided with a sliding inclined surface (5022), and a sampling tube (503) is provided below it. The sampling tube (503) has a hollow structure, and a U-shaped part (5031) is provided on the side of the sampling tube (503) away from the pneumatic valve (501).

4. The molar ratio control device for highly active calcium aluminate refractory binder according to claim 3, characterized in that: The mixing tank (1) has a contoured through hole (106) at the lower end that communicates with the sampling hole (103), and the pneumatic valve rod (502) and the sampling tube (503) are aligned with the contoured through hole (106).

5. The molar ratio control device for highly active calcium aluminate refractory binder according to claim 4, characterized in that: A pusher rod (1051) is fixed below the mounting base (105), and the pusher rod (1051) is slidably connected to the sampling tube (503).

6. The molar ratio control device for highly active calcium aluminate refractory binder according to claim 5, characterized in that: The control cabinet (9) is equipped with an operation screen (10) for human-machine interaction to operate the equipment.

Images