High-stability cement grinding aid quantitative adding device

Abstract

The invention provides a high-stability cement grinding aid quantitative adding device, and relates to the field of cement processing.The high-stability cement grinding aid quantitative adding device comprises a grinding aid storage tank, a standby storage tank, an extracting and weighing mechanism and a feeding mechanism; the extraction weighing mechanism comprises a bracket, a plurality of liquid extraction pipes, a plurality of weighing tanks, a plurality of extraction pumps and a plurality of feeding pipes; when the cement grinding aid weighing device is used, cement grinding aids can be pumped into the weighing tanks through the pressurization pumping pump, and when the weight of the cement grinding aids in the two or more weighing tanks meets the requirement, the cement grinding aids in the two or more weighing tanks can be fed into the feeding mechanism through the pumping pump and then fed into cement processing equipment through the feeding mechanism, so that the cement grinding aids are conveyed into the cement processing equipment through the feeding mechanism. The weight of the cement grinding aid can be accurately controlled, flexible adjustment can be carried out according to requirements, the precision degree is high, the reliability is high, and during working, the single extracting and weighing mechanism is maintained.

Description

Technical Field

[0001] The present application relates to the field of cement processing, and in particular to a device for quantitatively adding a high-stability cement grinding aid. Background Art

[0002] In recent years, with the development of economy and the improvement of living standards, various high-rise buildings have sprung up like mushrooms after rain. Cement is an indispensable basic material in the construction process of these high-rise buildings. The production and sales volume of cement in my country is huge, and the cement industry, as a high-pollution and high-energy-consuming industry, has attracted much attention for its energy conservation and consumption reduction. Among them, the use of cement grinding aids in the cement production process and the promotion of cement grinding energy-saving technology are important measures to develop green energy-saving cement and build a resource-saving and environmentally friendly society.

[0003] Cement grinding aid is a chemical additive that improves the grinding effect and performance of cement. It can be adsorbed on the surface of cement particles and exert its effects through physical and chemical reactions. It can increase the hourly output of cement while keeping the fineness of the ground cement and the power of the mill unchanged, or increase the specific surface area of ​​cement while keeping the cement output and the power of the mill unchanged, improve the particle size distribution of the ground cement, and thus improve the strength and other quality indicators of cement.

[0004] During the processing and production of cement, cement grinding aids need to be stably added to the cement feeder. According to the changes in the cement feed rate, the amount of grinding aids needs to be adjusted in a timely and accurate manner. At the same time, the grinding aid liquid level needs to be tracked in real time to ensure the stable incorporation of the grinding aids, thereby stabilizing the cement quality and reducing material consumption. When in use, the central control operator needs to adjust the grinding aid flow in a timely manner, and arrange on-site personnel to track the liquid level to determine the amount of grinding aids. There are factors such as large fluctuations in the amount of grinding aids and unstable material feeding that restrict the stability of cement quality. Therefore, it is urgent to improve the current adding device. Summary of the invention

[0005] The purpose of the embodiments of the present application is to provide a high-stability cement grinding aid quantitative addition device, which can solve the above-mentioned technical problems.

[0006] An embodiment of the present application provides a high-stability cement grinding aid quantitative addition device, comprising a grinding aid storage tank, a spare storage tank, an extraction and weighing mechanism, and a feeding mechanism, wherein the extraction and weighing mechanism comprises a bracket, a plurality of liquid extraction pipes, a plurality of weighing tanks, a plurality of extraction pumps, and a plurality of feeding pipes, wherein the weighing tanks, the extraction pumps, and the feeding pipes are connected in sequence, the weighing tanks, the extraction pumps, and the feeding pipes are vertically installed on the bracket, the liquid inlet ends of the liquid extraction pipes extend into the grinding aid storage tank and the spare storage tank respectively, the liquid outlet ends of the liquid extraction pipes are respectively connected through the corresponding weighing tanks, the extraction pumps are installed on the corresponding liquid extraction pipes, a pressurized extraction pump is provided through the upper end of the weighing tank, the liquid inlet end of the feeding pipe is connected to the corresponding pressurized extraction pump, and the liquid outlet end of the feeding pipe is connected to cement processing equipment through the feeding mechanism.

[0007] Preferably, the high-stability cement grinding aid quantitative addition device also includes a controller, which is a PLC controller, and the PLC controller is used to control the opening and closing of the extraction pump according to the weight inside the weighing tank.

[0008] Preferably, the feeding mechanism includes a feeding tank, a first weighing meter is arranged inside the feeding tank, a spray pipe is arranged at the lower end of the feeding tank, a plurality of nozzles are arranged on the spray pipe, and the nozzles are evenly distributed on the spray pipe. The first weighing meter and the nozzles are electrically connected to the controller, and a pump body is arranged on the spray pipe.

[0009] Preferably, a second weighing meter is provided inside the weighing tank, and the second weighing meter is electrically connected to the controller.

[0010] Preferably, liquid level sensors are provided inside the feeding tank and the weighing tank, and the liquid level sensors are electrically connected to the controller.

[0011] Preferably, a magnetic stirring element is arranged inside the feeding tank, and the feeding tank is provided with a magnetic element, and the magnetic element is used to provide power to the magnetic stirring element.

[0012] Preferably, the liquid extraction pipe and the material feeding pipe are both provided with solenoid valves, and the solenoid valves are electrically connected to the controller.

[0013] Preferably, an air intake pipe is provided on the injection pipe, one end of the air intake pipe is through-connected with the injection pipe, the other end of the air intake pipe is externally connected to an air pump, and a valve is provided on the air intake pipe, and the valve is electrically connected to the controller.

[0014] Preferably, the grinding aid storage tank and the spare storage tank are both externally connected to a cleaning device, which includes a cleaning pump and a cleaning pipe, one end of the cleaning pipe is through-connected to the grinding aid storage tank or the spare storage tank, and the other end of the cleaning pipe is through-connected to the cleaning pump.

[0015] Preferably, the grinding aid storage tank and the spare storage tank are both provided with a stirring mechanism, and the stirring mechanism includes a stirring motor and a stirring shaft, one end of the stirring shaft extends into the grinding aid storage tank or the spare storage tank, the stirring motor is used to drive the stirring shaft to rotate, and a plurality of stirring rods are provided on the stirring shaft.

[0016] Beneficial effects of the present invention:

[0017] The present invention provides a high-stability cement grinding aid quantitative addition device, comprising a grinding aid storage tank, a spare storage tank, an extraction weighing mechanism, and a feeding mechanism, wherein the extraction weighing mechanism comprises a bracket, a plurality of liquid extraction pipes, a plurality of weighing tanks, a plurality of extraction pumps, and a plurality of feeding pipes, wherein the weighing tanks, the extraction pumps, and the feeding pipes are connected in sequence, the weighing tanks, the extraction pumps, and the feeding pipes are vertically installed on the bracket, the liquid inlet ends of the liquid extraction pipes extend into the grinding aid storage tank and the spare storage tank respectively, the liquid outlet ends of the liquid extraction pipes are respectively connected to the corresponding weighing tanks, the extraction pumps are installed on the corresponding liquid extraction pipes, and the upper end of the weighing tanks is provided with a through-type A pressurized extraction pump, the liquid inlet end of the feeding pipe is connected to the corresponding pressurized extraction pump, and the liquid outlet end of the feeding pipe is connected to the cement processing equipment through the feeding mechanism; when the present invention is in use, the cement grinding aid can be pumped into the weighing tank through the pressurized extraction pump. When the weight of the cement grinding aid in two or more weighing tanks reaches the requirement, the cement grinding aid in the two or more weighing tanks can be fed into the feeding mechanism through the extraction pump, and then fed into the cement processing equipment through the feeding mechanism. The present invention can accurately control the weight of the cement grinding aid and can be flexibly adjusted according to the needs. It has a high degree of precision and reliability, and a single extraction weighing mechanism can be maintained during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the present invention.

[0020] The reference numerals are:

[0021] 1. Grinding aid storage tank; 2. Spare storage tank; 3. Extraction weighing mechanism; 4. Feeding mechanism; 5. Bracket; 6. Extraction pipe; 7. Weighing tank; 8. Extraction pump; 9. Feeding pipe; 10. Pressurized extraction pump; 11. Injection pipe; 12. Nozzle; 13. Pump body; 14. Solenoid valve; 15. Inlet pipe; 16. Air pump; 17. Valve; 18. Cleaning device; 19. Cleaning pump; 20. Cleaning pipe; 21. Stirring mechanism; 22. Stirring motor; 23. Stirring shaft; 24. Stirring rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0024] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0025] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0026] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0027] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] like Figure 1 As shown, a high-stability cement grinding aid quantitative addition device includes a grinding aid storage tank 1, a spare storage tank 2, an extraction weighing mechanism 3, and a feeding mechanism 4. The extraction weighing mechanism 3 includes a bracket 5, a plurality of liquid extraction pipes 6, a plurality of weighing tanks 7, a plurality of extraction pumps 8, and a plurality of feeding pipes 9. The weighing tanks 7, the extraction pumps 8, and the feeding pipes 9 are connected in sequence. The weighing tanks 7, the extraction pumps 8, and the feeding pipes 9 are vertically installed on the bracket 5. The liquid inlet ends of the liquid extraction pipes 6 extend into the grinding aid storage tank 1 and the spare storage tank 2 respectively. The liquid outlet ends of the liquid extraction pipes 6 are respectively connected to the corresponding weighing tanks 7. The extraction pumps 8 are installed on the corresponding liquid extraction pipes 6. The upper ends of the weighing tanks 7 are connected to the corresponding weighing tanks 7. A pressurized extraction pump 10 is provided, the liquid inlet end of the feeding pipe 9 is connected to the corresponding pressurized extraction pump 10, and the liquid outlet end of the feeding pipe 9 is connected to the cement processing equipment through the feeding mechanism 4; when the present invention is in use, the cement grinding aid can be drawn into the weighing tank 7 through the pressurized extraction pump 10, and when the weight of the cement grinding aid in two or more weighing tanks 7 reaches the requirement, the cement grinding aid in the two or more weighing tanks 7 can be fed into the feeding mechanism 4 through the extraction pump 8, and then fed into the cement processing equipment through the feeding mechanism 4. The present invention can accurately control the weight of the cement grinding aid, can be flexibly adjusted according to demand, has a high degree of precision and reliability, and when working, a single extraction weighing mechanism 3 is maintained.

[0029] Specifically, the present invention first extracts the cement grinding aid in the grinding aid storage tank 1, and when the grinding aid in the grinding aid storage tank 1 is extracted to the bottom, the cement grinding aid in the spare storage tank 2 is extracted. While the cement grinding aid in the spare storage tank 2 is extracted, the cement grinding aid in the grinding aid storage tank 1 is replenished. The present invention can realize automated production without pausing.

[0030] like Figure 1As shown, in this embodiment, the high-stability cement grinding aid quantitative addition device also includes a controller, which is a PLC controller. The PLC controller is used to control the opening and closing of the extraction pump 8 according to the weight inside the weighing tank 7. Specifically, two or more weighing tanks 7 can be opened according to the set weight, as long as the sum of the weights of the cement grinding aids inside the two or more weighing tanks 7 meets the set requirements.

[0031] like Figure 1 As shown, in this embodiment, the feeding mechanism 4 includes a feeding tank, a first weighing meter is arranged inside the feeding tank, a spray pipe 11 is arranged at the lower end of the feeding tank, a plurality of nozzles 12 are arranged on the spray pipe 11, and the nozzles 12 are evenly distributed on the spray pipe 11. The first weighing meter and the nozzle 12 are electrically connected to the controller, a pump body 13 is arranged on the spray pipe 11, and a second weighing meter is arranged inside the weighing tank 7, and the second weighing meter is electrically connected to the controller; the second weighing meter of the present invention is used for the first weighing, and then the first weighing meter inside the feeding tank is used for the second weighing, and the secondary weighing can ensure that the added cement grinding aid is more reliable and accurate.

[0032] In this embodiment, liquid level sensors are provided inside the feeding tank and the weighing tank 7, and the liquid level sensors are electrically connected to the controller. The liquid level sensor of the present invention can be used to calculate the liquid level, and then the controller can replace the volume and weight, and auxiliary weighing can be performed through the liquid level sensor.

[0033] In this embodiment, a magnetic stirring element is provided inside the feeding tank. The feeding tank is provided with a magnetic element, and the magnetic element is used to provide power to the magnetic stirring element. The magnetic stirring element of the present invention can stir the cement grinding aid so that the cement grinding aid is mixed more evenly.

[0034] like Figure 1 As shown, in this embodiment, the liquid extraction pipe 6 and the feeding pipe 9 are both provided with an electromagnetic valve 14, and the electromagnetic valve 14 is electrically connected to the controller. The controller of the present invention can control the entry and extraction of cement grinding aid in a single weighing tank 7 by controlling the opening and closing of the electromagnetic valve 14.

[0035] like Figure 1 As shown, in this embodiment, an air intake pipe 15 is provided on the injection pipe 11, one end of the air intake pipe 15 is connected to the injection pipe 11, and the other end of the air intake pipe 15 is externally connected to an air pump 16. A valve 17 is provided on the air intake pipe 15, and the valve 17 is electrically connected to the controller. The air intake pipe 15 of the present invention can be blown into air by the air pump 16 to clean the blocked injection pipe 11 and the nozzle.

[0036] like Figure 1 As shown, in this embodiment, the grinding aid storage tank 1 and the spare storage tank 2 are both externally connected to a cleaning device 18, and the cleaning device 18 includes a cleaning pump 19 and a cleaning pipe 20. One end of the cleaning pipe 20 is connected through the grinding aid storage tank 1 or the spare storage tank 2, and the other end of the cleaning pipe 20 is connected through the cleaning pump 19. The present invention can be cleaned by pumping cleaning liquid into the cleaning pipe 20 through the cleaning pump 19.

[0037] like Figure 1 As shown, in this embodiment, the grinding aid storage tank 1 and the spare storage tank 2 are both provided with a stirring mechanism 21, and the stirring mechanism 21 includes a stirring motor 22 and a stirring shaft 23, one end of the stirring shaft 23 extends into the grinding aid storage tank 1 or the spare storage tank 2, and the stirring motor 22 is used to drive the stirring shaft 23 to rotate, and a plurality of stirring rods 24 are provided on the stirring shaft 23; the present invention can stir the cement grinding aids in the grinding aid storage tank 1 and the spare storage tank 2 by the stirring shaft 23 and the stirring rods 24, so that the cement grinding aids are mixed more evenly.

[0038] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A quantitative adding device for high stability cement grinding aid, characterized in that: It includes a grinding aid storage tank, a spare storage tank, an extraction and weighing mechanism, and a feeding mechanism. The extraction and weighing mechanism includes a bracket, multiple liquid extraction pipes, multiple weighing tanks, multiple extraction pumps, and multiple feeding pipes. The weighing tank, the extraction pump, and the feeding pipe are connected in sequence. The weighing tank, the extraction pump, and the feeding pipe are vertically installed on the bracket. The liquid inlet ends of the liquid extraction pipes extend into the grinding aid storage tank and the spare storage tank respectively. The liquid outlet ends of the liquid extraction pipes are connected with the corresponding weighing tanks respectively. The extraction pumps are installed on the corresponding liquid extraction pipes. A pressurized extraction pump is provided on the upper end of the weighing tank. The liquid inlet end of the feeding pipe is connected with the corresponding pressurized extraction pump. The liquid outlet end of the feeding pipe is connected with the cement processing equipment through the feeding mechanism.

2. A quantitative addition device for high-stability cement grinding aid according to claim 1, characterized in that: The high-stability cement grinding aid quantitative addition device also includes a controller, which is a PLC controller. The PLC controller is used to control the opening and closing of the extraction pump according to the weight inside the weighing tank.

3. A high-stability cement grinding aid quantitative addition device according to claim 2, characterized in that: The feeding mechanism includes a feeding tank, a first weighing meter is arranged inside the feeding tank, a spray pipe is arranged at the lower end of the feeding tank, a plurality of nozzles are arranged on the spray pipe, and the nozzles are evenly distributed on the spray pipe. The first weighing meter and the nozzles are electrically connected to the controller, and a pump body is arranged on the spray pipe.

4. A high-stability cement grinding aid quantitative addition device according to claim 2, characterized in that: A second weighing meter is arranged inside the weighing tank, and the second weighing meter is electrically connected to the controller.

5. A quantitative adding device for high stability cement grinding aid according to claim 3, characterized in that: The feeding tank and the weighing tank are both provided with liquid level sensors, and the liquid level sensors are both electrically connected to the controller.

6. A high-stability cement grinding aid quantitative addition device according to claim 2, characterized in that: A magnetic stirring piece is arranged inside the feeding tank, and the feeding tank is provided with a magnetic piece, and the magnetic piece is used to provide power to the magnetic stirring piece.

7. A quantitative adding device for high stability cement grinding aid according to claim 2, characterized in that: The liquid extraction pipe and the material feeding pipe are both provided with electromagnetic valves, and the electromagnetic valves are electrically connected to the controller.

8. A quantitative adding device for high stability cement grinding aid according to claim 3, characterized in that: The injection pipe is provided with an air intake pipe, one end of the air intake pipe is connected with the injection pipe, the other end of the air intake pipe is externally connected with an air pump, and the air intake pipe is provided with a valve, which is electrically connected with the controller.

9. A quantitative adding device for high stability cement grinding aid according to claim 1, characterized in that: The grinding aid storage tank and the spare storage tank are both externally connected to a cleaning device, which includes a cleaning pump and a cleaning pipe. One end of the cleaning pipe is connected to the grinding aid storage tank or the spare storage tank, and the other end of the cleaning pipe is connected to the cleaning pump.

10. A quantitative adding device for high stability cement grinding aid according to claim 1, characterized in that: The grinding aid storage tank and the spare storage tank are both provided with a stirring mechanism, and the stirring mechanism includes a stirring motor and a stirring shaft. One end of the stirring shaft extends into the grinding aid storage tank or the spare storage tank. The stirring motor is used to drive the stirring shaft to rotate, and a plurality of stirring rods are provided on the stirring shaft.

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