Device for measuring alkali content of cement raw material
By designing a device for determining the alkali content of cement raw materials, the problem of flue gas diffusion during sample solution combustion was solved, achieving effective flue gas treatment and operator health protection, and improving the accuracy and efficiency of the determination.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-03-10
AI Technical Summary
In the traditional process of determining the alkali content of cement raw materials, the flue gas generated by the combustion of the sample solution diffuses, polluting the environment and endangering the health of operators.
A device for determining the alkali content of cement raw materials was designed, comprising a flame photometer, a combustion chamber, a sample liquid absorption component, a smoke exhaust component, and a smoke removal component. The liquid absorption component improves the combustion efficiency of the sample solution, while the smoke exhaust and smoke removal components treat the flue gas to avoid pollution.
It achieves effective exhaust and removal of flue gas, protects the environment and operator health, and improves the accuracy and efficiency of measurement operations.
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Figure CN223986088U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of cement production, and discloses a device for measuring alkali content of cement raw materials. BACKGROUND
[0002] In cement production, the alkali content of cement raw materials has a direct influence on the quality of cement products. If trace amounts of alkali (Na, K) are contained in the cement raw materials, the burnability of cement raw materials can be improved, and the early strength of the raw materials can be improved. However, if the alkali equivalent in the cement raw materials is too high, the alkali equivalent in the cement clinker exceeds a certain range, for example, the alkali equivalent in the cement raw materials is greater than about 0.80%, the free calcium in the cement clinker is increased, the compressive strength and the flexural strength of the cement are reduced, and the service life of a building is affected. Therefore, the alkali equivalent in the cement raw materials needs to be measured, and the cement raw materials with the alkali equivalent meeting the requirements are put into the production and processing of the cement clinker.
[0003] At present, a commonly used method for measuring the alkali content of cement raw materials is a flame photometry method. The cement raw materials to be measured are washed with water to obtain a sample solution of the cement raw materials, the sample solution of the cement raw materials is stored in a reagent bottle for standby, the sample solution of the cement raw materials is burned to generate a flame, and the luminosity of the burning flame is measured by using a flame photometer to measure the alkali content of the cement raw materials. However, when the sample solution of the cement raw materials is burned, a certain amount of flue gas is generated, the flue gas hovers in the measuring site environment, and is easy to pollute the environment and even harm the health of the operator. Therefore, the present application provides a device for measuring the alkali content of cement raw materials to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at solving the problem that the sample solution of the traditional cement raw materials is burned to generate flue gas, the flue gas diffuses in the site environment, is easy to pollute the environment, and even harms the health of the operator.
[0005] In order to achieve the above object, the basic scheme of the utility model provides a cement raw material alkali content determination device, including flame photometer, still including the combustion chamber of installing in one side of flame photometer and the installation support of being located one side of flame photometer and being used for supporting the installation of combustion chamber, the liquefied gas bottle of being connected with installation is connected in one side of combustion chamber, the sample liquid suction assembly of being used for sucking the sample solution of cement raw material into combustion chamber and carrying out combustion is installed in one end of combustion chamber, sample liquid suction assembly includes the liquid suction tube of being connected with one end of combustion chamber and the liquid pumping pump of being used for sucking the sample in containing bottle and extracting only combustion chamber, the bottle body support frame of being used for supporting and placing containing bottle is equipped with in one end of installation support away from flame photometer, the flue gas exhaust pipeline is equipped with in one side of combustion chamber, the flue gas exhaust assembly of being used for exhausting the combustion flue gas in combustion chamber is equipped with in flue gas exhaust pipeline, the smoke removal assembly of carrying out smoke removal treatment to flue gas exhaust pipeline is equipped with in the export end of flue gas exhaust pipeline.
[0006] The principle and effect of the basic scheme are:
[0007] 1、Compared with the prior art, the sample liquid suction assembly is set, the operation efficiency when the sample solution of cement raw material is sucked into the combustion chamber is improved, the bottle body support frame is set, structural support is provided for the containing bottle, the sample extraction amount is more accurate, the flue gas exhaust assembly and the smoke removal assembly are set, the exhaust and removal treatment of the combustion flue gas are realized, air pollution to the determination site of alkali content is avoided, the problems that the sample solution of cement raw material is combusted, flue gas is diffused in the site environment, the environment is easily polluted, and even the health of the operator is harmed are solved.
[0008] 2、Compared with the prior art, the sample solution of cement raw material to be determined is sucked into the combustion chamber and is combusted, and then the alkali content of the cement raw material is determined according to the luminosity generated by combustion by the flame photometer.
[0009] Further, the installation support includes a bottom plate for placing and supporting the combustion chamber and a plurality of support legs provided on the bottom side of the bottom plate. By providing the bottom plate and the support legs, the bottom of the combustion chamber is also provided with structural support while relying on the flame photometer on the side of the combustion chamber.
[0010] Further, the bottle body support frame includes a limiting support for supporting the neck of the containing bottle and an arc-shaped support sleeve for supporting the bottom of the containing bottle, and the installation height of the limiting support is higher than that of the arc-shaped support sleeve. By providing the limiting support and the arc-shaped support sleeve, the containing bottle is conveniently placed and fixed, and the containing bottle is prevented from being overturned due to stress when the sample solution in the containing bottle is sucked into the combustion chamber. By setting the limiting support to be higher than the arc-shaped support sleeve, the containing bottle is inclined during the process of sucking the sample liquid, and the sample is conveniently sucked.
[0011] Furthermore, the smoke exhaust assembly includes an exhaust fan installed in the smoke exhaust duct and an exhaust motor for driving the exhaust fan to rotate. By setting the exhaust motor to drive the exhaust fan, it is convenient to exhaust the smoke generated during combustion in the combustion chamber.
[0012] Furthermore, the smoke removal assembly includes a spray chamber connected to the end of the exhaust duct furthest from the combustion chamber, several spray pipes located at the top inner edge of the spray chamber, and several atomizing nozzles located at the bottom edge of the spray pipes. A water supply assembly for supplying water to the spray pipes is also provided on the outside of the spray chamber. By providing spray water to the spray pipes and atomizing nozzles within the spray chamber through the water supply assembly, the exhaust gas discharged into the spray chamber from the exhaust duct can be sprayed, thereby achieving the purpose of smoke removal through dust suppression treatment of the exhaust gas. Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0014] Figure 1 A three-dimensional structural view of a cement raw material alkali content measuring device according to an embodiment of this application is shown;
[0015] Figure 2 A structural side view of a cement raw material alkali content measuring device according to an embodiment of this application is shown. Detailed Implementation
[0016] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.
[0017] The reference numerals in the accompanying drawings include: 1. Flame photometer; 2. Combustion chamber; 3. Mounting bracket; 4. Liquefied gas cylinder; 5. Suction pipe; 6. Liquid pump; 7. Cylinder support frame; 8. Exhaust pipe; 9. Base plate; 10. Support leg; 11. Limiting bracket; 12. Arc-shaped support sleeve; 13. Exhaust fan; 14. Spray chamber; 15. Spray pipe; 16. Atomizing nozzle; 17. Container bottle.
[0018] A cement raw material alkali content measuring device, implementing, for example Figure 1As shown: The system includes a flame photometer 1, a combustion chamber 2 mounted on the right side of the flame photometer 1, and a mounting bracket 3 located on the right side of the flame photometer 1 to support the combustion chamber 2. A liquefied petroleum gas cylinder 4 is connected to the front of the combustion chamber 2. A sample suction assembly is installed on the right side of the combustion chamber 2 to draw a sample solution of cement raw materials into the combustion chamber 2 for combustion. The sample suction assembly includes a suction tube 5 connected to the right end of the combustion chamber 2 and a pump 6 for extracting the sample from a container bottle 17 into the combustion chamber 2. A bottle support frame 7 for supporting and placing the container bottle 17 is provided at the end of the mounting bracket 3 away from the flame photometer 1. Figure 2 As shown, a smoke exhaust pipe 8 is provided on the rear side of the combustion chamber 2. A smoke exhaust assembly is provided inside the smoke exhaust pipe 8 to exhaust the combustion smoke in the combustion chamber 2. A smoke removal assembly is provided at the outlet end of the smoke exhaust pipe 8 to remove smoke from the smoke exhaust pipe 8.
[0019] Among them, such as Figure 1 As shown, the mounting bracket 3 includes a base plate 9 for placing and supporting the combustion chamber 2 and four support legs 10 located on the bottom side of the base plate 9.
[0020] Among them, such as Figure 1 As shown, the bottle support frame 7 includes a limiting bracket 11 for supporting the neck of the bottle 17 and an arc-shaped support sleeve 12 for supporting the bottom of the bottle 17. The installation height of the limiting bracket 11 is higher than the installation height of the arc-shaped support sleeve 12.
[0021] Among them, such as Figure 2 As shown, the smoke exhaust assembly includes an exhaust fan 13 installed in the smoke exhaust duct 8 and an exhaust motor for driving the exhaust fan 13 to rotate.
[0022] Among them, such as Figure 2 As shown, the smoke removal assembly includes a spray chamber 14 connected to the rear side of the exhaust duct 8 away from the combustion chamber 2, three spray pipes 15 located at the inner top of the spray chamber 14, and multiple atomizing nozzles 16 located at the bottom side of the spray pipes 15. The outside of the spray chamber 14 is also provided with a water supply assembly for supplying water to the spray pipes 15. The water supply assembly includes a water supply tank, a water supply pipe connected between the water supply tank and the spray pipes 15, and a booster valve located on the water supply pipe.
[0023] In the specific implementation of this utility model, the sample solution of cement raw material for which the alkali content needs to be determined is loaded into the container bottle 17. The container bottle 17 is then placed on the bottle support frame 7, with the neck of the container bottle 17 placed on the limiting bracket 11 and the bottom of the container bottle 17 placed on the arc-shaped support sleeve 12, so that the bottle mouth of the container bottle 17 is tilted upwards. Next, the suction tube 5 is inserted into the container bottle 17 and placed in the sample solution of the cement raw material. Then, the combustion determination of the cement raw material sample solution can begin. During the combustion of the cement raw material sample solution, the liquefied gas cylinder 4 is opened and ignited in the combustion chamber 2. Then, the pump 6 pumps the cement raw material sample solution from the container bottle 17 into the combustion chamber 2. The alkali substances in the cement raw material sample solution react with the liquefied gas in a combustion reaction. The flame photometer 1 detects the flame intensity produced by the combustion of the alkali substances and the liquefied gas and records the measurement data, thereby obtaining the determination data of the alkali content of the cement raw material sample. During the combustion of alkaline substances and liquefied gas, the exhaust fan 13 and the booster water valve are turned on. The exhaust fan 13 discharges the flue gas generated in the combustion chamber 2 through the exhaust pipe 8. The flue gas is discharged into the spray chamber 14 through the exhaust pipe 8. The booster water valve pressurizes and delivers the spray water to the spray pipe 15 through the water supply pipe and sprays it out through the atomizing nozzle 16. The flue gas discharged into the spray chamber 14 is sprayed to reduce dust, thereby converting particulate impurities in the flue gas into a solution and completing the smoke removal treatment.
[0024] Compared with existing technologies, this invention improves the operational efficiency of drawing cement raw material sample solution into combustion chamber 2 by setting up a sample suction component. By setting up bottle support frame 7, it provides structural support for the container bottle 17, making the sample extraction volume more accurate. Through the smoke exhaust component and smoke removal component, it realizes the exhaust and removal of combustion smoke, avoiding air pollution at the alkali content determination site. By drawing the cement raw material sample solution to be measured into combustion chamber 2 for combustion treatment, and then the flame photometer 1 determines the alkali content of the cement raw material based on the photometric conditions produced by combustion, this invention solves the problem that traditional cement raw material sample solution combustion produces smoke, which diffuses into the on-site environment, easily causing environmental pollution and even endangering the health of operators.
[0025] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. A device for determining the alkali content of a cement raw material, comprising a flame photometer, characterized in that The installation support is provided with a bottom plate for placing and supporting the combustion chamber and a plurality of supporting legs arranged at the bottom side of the bottom plate.
2. The apparatus for determining alkali content of a cement raw material according to claim 1, characterized by The bottle body supporting frame is provided with a limiting support for supporting the neck of the sample bottle and an arc-shaped supporting sleeve for supporting the bottom of the sample bottle, and the installation height of the limiting support is higher than that of the arc-shaped supporting sleeve.
3. A device for determining the alkali content of a cement raw material according to claim 2, characterized in that The smoke exhaust assembly is provided with a spray chamber in communication with the end of the smoke exhaust pipeline away from the combustion chamber, a plurality of spray pipes arranged at the inner top of the spray chamber, and a plurality of atomizing nozzles arranged at the bottom side of the spray pipes, and the outer side of the spray chamber is further provided with a water supply assembly for supplying water to the spray pipes.
4. The apparatus for determining alkali content of a cement raw material according to claim 3, characterized by The smoke exhaust assembly is provided with a spray chamber in communication with the end of the smoke exhaust pipeline away from the combustion chamber, a plurality of spray pipes arranged at the inner top of the spray chamber, and a plurality of atomizing nozzles arranged at the bottom side of the spray pipes, and the outer side of the spray chamber is further provided with a water supply assembly for supplying water to the spray pipes.
5. A device for determining the alkali content of a cement raw material according to claim 4, characterized in that