169 results about "Cement factory" patented technology

The invention relates to a device (50) for determining the hardness (H) of cement clinker (ZK) in a cement plant (20) by evaluating an acoustic signal (AS) upon impact of the cement clinker on a substrate (12) after leaving a rotary kiln (9), a cement plant with such a device, a corresponding method (200) using this device, and a data carrier (300) with a software program (301) stored thereon for installation in an evaluation unit (70) of such a device for at least partially carrying out such a method.In the cement plant, the cement clinker falls from the rotary kiln onto a base and sets it into vibration upon impact, resulting in an acoustic signal (AS) characteristic of the respective hardness, comprising at least one frequency distribution (FV) or frequency-time distribution (FZV) or time signal (ZV) characteristic of the hardness, wherein the device (50) comprises one or more sensors (60) and an evaluation unit (70), wherein the sensors (60) are provided to record the respective acoustic signal (AS) and the evaluation unit (70) is provided to determine at least the hardness (H) of the cement clinker (ZK) from the recorded frequency distribution (FV) or the recorded frequency-time distribution (FZV) or the recorded time signal (ZV).

The invention provides a production plan optimization model construction method and system for a cement plant, and the method comprises the steps: obtaining the related data of the cement plant, carrying out the preprocessing, and constructing a photovoltaic power generation power prediction model, a waste heat power generation power prediction model, and an electrical load prediction model according to the processed data; respectively obtaining a cement plant photovoltaic power generation power prediction result, a waste heat power generation power prediction result and an electrical load prediction result through the three prediction models; and constructing a production plan optimization model of the cement plant based on the photovoltaic power generation power prediction result, the waste heat power generation power prediction result and the electrical load prediction result. The cement plant production plan optimization method based on photovoltaic, waste heat and electrical load prediction and monitoring is realized through the model, the clean energy utilization rate of the cement plant can be effectively improved, the production cost is reduced, the production stability is improved, and technical support is provided for realizing green and low-carbon development of the cement industry.

The invention relates to the technical field of cement firing, and discloses a cement firing system decomposing furnace outlet temperature target value optimization method, which reasonably determines input parameters based on production data accumulated in a cement plant distributed control system, and fuses autoregression and classification models to obtain a target value. A high-quality historical target value adjustment data training model is screened out according to rules, a decomposition furnace outlet temperature target value optimization model is generated, input parameter values of the current moment and the historical time period of the decomposition furnace and a previous decomposition furnace outlet temperature target value are input in real time, and a decomposition furnace outlet temperature target value is obtained through the constructed optimization model. And outputting an adjusting action type and a relative front value adjusting quantity of the target value of the outlet temperature of the decomposing furnace under the current working condition, and directly adjusting the target value of the outlet temperature of the decomposing furnace according to the output adjusting action type and the relative front value adjusting quantity so as to realize one-time in-place adjustment of the target value of the outlet temperature of the decomposing furnace. Therefore, the purposes of automation, intelligence and rapid and accurate adjustment effect of the target value adjustment means of the outlet temperature of the decomposing furnace are achieved.

The present invention relates to a method for operating a device for the thermal treatment of mineral substances, wherein the device comprises a preheater 10, a calciner 20 and a furnace 30, wherein the mineral substance is partially introduced into the preheater 10, is conveyed from the preheater 10 into the calciner 20 and from the calciner 20 into the furnace 30, wherein the gas stream of the furnace 30 is guided past the calciner 20, wherein the device comprises an oxygen source 60, wherein an oxygen-rich gas is guided from the oxygen source 60 to the calciner 20, wherein the gas stream is directed from the calciner 20 into the preheater 10, wherein the device comprises a carbon dioxide processing device 70, wherein the carbon dioxide processing device 70 is arranged downstream of the calciner 20, and wherein the device comprises a furnace calciner 21 and a furnace preheater 11.wherein the gas stream from the furnace 30 is directed into the furnace calcinator 21 and from the furnace calcinator 21 into the furnace preheater 11, wherein the mineral material is introduced proportionally into the furnace preheater 11, wherein the solid stream leaving the furnace preheater 11 is divided between the calcinator 20 and the furnace calcinator 21, wherein a load-dependent proportional return of the gas stream leaving the preheater 10 to the oxygen-rich gas between the oxygen source 60 and the calcinator 20 takes place.

The invention provides an innovative rapid screening process of a novel liquid-liquid phase change absorbent for CO2 capture. According to the method, system components are screened by dropwise adding a physical solvent and water, the composition and the load interval of the phase change solvent are determined, and the split-phase load critical value is accurately determined by adopting a back titration method. The screening process is simple and efficient in step, is suitable for various complex liquid-liquid phase change solvent systems, greatly improves the solvent screening efficiency, and is particularly suitable for efficient solvent screening for CO2 capture. The absorbent screened by the process shows excellent CO2 absorption performance at normal temperature and normal pressure, and has the advantages of easy control of phase change conditions, low regeneration energy consumption and the like. The absorbent is not only suitable for CO2 capture of industrial emission sources of coal-fired power plants, cement plants, steel plants and the like, but also suitable for CO2 emission reduction and resource utilization processes in various environmental protection scenes.

The invention belongs to the technical field of geopolymer concrete carbonization production systems, and particularly relates to a geopolymer concrete carbonization production integrated system based on a cascade carbonization principle. According to the invention, through activation and utilization of the building residue soil, cement high-energy-consumption products are reduced, high-temperature flue gas can be reused for carbonization maintenance, carbon dioxide can be utilized for many times based on a gradient carbonization pressure-equalizing principle, self-sufficiency of carbon emission and carbon utilization is realized, the discharge capacity is reduced, and the energy-saving and environment-friendly effects are achieved. The product quality can be improved, the resource utilization rate can be increased, the carbon emission can be reduced, the production process can be optimized, the cost can be reduced, the combination of a traditional cement plant, a concrete mixing plant and a prefabricated component factory can be realized, and an integrated transformation scheme is provided for the carbonization production of geopolymer concrete.

The invention discloses a construction method of a cement production optimization scheduling model based on aggregation energy storage, and the method comprises the steps: analyzing a cement production process, and determining electric equipment and material conditions in each production process; based on the analysis of the cement plant production process in the step 1, a state task net block diagram of the cement production process is drawn according to working procedures and material conditions; determining decision variables and constraint conditions in the cement production process; analyzing charging and discharging conditions of the pumped storage device of the cement plant, and determining constraint conditions of charging and discharging of the pumped storage device; and under the constraint conditions of the step 3 and the step 4, establishing a production optimization scheduling model by taking the decision variable as a model variable and taking the minimum daily electricity purchase cost of the cement plant as a target. The method fully considers the production process limitation and production task requirements of the cement plant, guides the pumped storage unit to generate power in the peak load period and charge in the valley load period, and guarantees the safe, stable and economical operation of the power system.

The invention relates to the field of cement plant photovoltaic configuration, in particular to a cement plant photovoltaic configuration method and system considering refined demand response, and the method comprises the steps: taking the minimum value of the sum of the total photovoltaic investment cost of a cement plant and the equipment operation cost in a planning period as an objective function; and constructing a collaborative optimization model by taking power balance and time sequence coupling of interruptible equipment as constraints, and calculating to obtain the optimal configuration of the photovoltaic capacity. The optimal photovoltaic installation capacity is determined by simulating a typical daily operation scene, so that photovoltaic investment waste or reverse increase of online power purchase cost is avoided, and a cooperative scheduling strategy is formulated according to interruptible load characteristics in a production process, so that efficient matching of photovoltaic output and production power consumption load is realized, and the production efficiency is improved. And the process constraint of cement production is not damaged while the optimal economy of the whole life cycle is obtained. In addition, the method fully excavates the demand response potential of the user side, the optimization result is reliable, and the practicability is high.

The invention discloses a cement production industrial load participated power grid dispatching method and related products. According to the method, an objective function is constructed by minimizing the power purchase cost of a cement plant within preset time, constraint conditions comprise a material balance constraint, an electric quantity balance constraint, a storage constraint, a yield constraint and a rotary kiln continuous work constraint, and the constraint conditions consider the coupling relation of all links in the cement production process. Therefore, the formed economic dispatching model can improve the dispatching capability of the cement production industrial load on the power grid. Moreover, in the construction process of the economic dispatching model, materials and processes are abstracted into states and tasks respectively by utilizing a state task network method aiming at the cement production process, and a state task network block diagram is drawn to describe the coupling relationship among the processes, so that the accuracy of the model can be ensured.

The invention relates to a high-efficiency composite cement plant fire coal accelerator and a preparation method thereof, and belongs to the technical field of clean combustion technology and catalysts, the high-efficiency composite cement plant fire coal accelerator comprises the following raw materials by mass: 30-45% of a nano metal oxide catalyst, 20-30% of a modified sulfur-fixing agent, 10-20% of an auxiliary agent, and the balance of water. The mass fraction of the transition metal salt combustion improver is 15%-25%, the mass fraction of the dispersion-stabilizer is 8%-12%, and the mass fraction of the rare earth synergist is 5%-10%. According to the high-efficiency composite cement plant fire coal accelerant and the preparation method thereof, through cooperation of the nano metal oxide catalyst, the modified sulfur-fixing agent, the transition metal salt combustion improver, the dispersion-stabilizer and the rare earth synergist, coal combustion can be promoted to achieve the coal saving effect, emission of harmful pollutants is reduced from the source, and environmental pollution is reduced. Remarkable economic benefits and environmental benefits are brought to a cement plant, and the modified sulfur-fixing agent enhances chemical adsorption with sulfur through the hydrophobic characteristic and achieves the effect that the sulfur-fixing rate is doubled through the oxidation catalysis effect of transition metal salt.

The utility model provides a waste heat power generation high-temperature transduction device for the cement industry. The waste heat power generation high-temperature transduction device comprises a waste heat power generation boiler body, a waste heat power generation transduction pipe assembly and a waste heat power generation transduction pressure stabilizing system assembly. The waste heat power generation transduction voltage stabilization system assembly is in communication connection with the waste heat power generation boiler body and the waste heat power generation transduction pipe assembly through a communication cable or a WiFi model. The heat exchange coil pipe and the air inlet connecting pipe are arranged in a surrounding contact mode for heat exchange, the heat exchange contact area is controlled as much as possible, smoke produced from a cement plant enters the heat exchange coil pipe through different pipelines, when the smoke flow is reduced, the peripheral pipelines are automatically closed, heat is concentrated to the internal pipelines, and unnecessary energy consumption is reduced; the power generation stability can be controlled, the timeliness of power supply is ensured, high-temperature transduction stable-voltage operation is realized, the power generation efficiency and stability are improved, the energy utilization efficiency is improved, the energy consumption and environmental pollution are reduced, and sustainable development is realized.

The invention discloses a cement plant coal taking grab bucket skew detection method, which relates to the technical field of visual inspection, and comprises the following steps: S1, obtaining material distribution information of a grab bucket operation area; s2, based on the material distribution information, a grab bucket is controlled to align at the highest point of the materials to descend to grab the materials; s3, acquiring a grab bucket working video, and performing distortion correction on each frame of image of the grab bucket video; s4, inputting the corrected grab bucket video into the target detection model to obtain the rotation angle of the grab bucket platform; s5, according to the current working stage of the grab bucket, whether the rotation angle of the grab bucket platform exceeds a preset threshold value of the corresponding stage or not is judged, and if yes, alarm information is pushed. Materials are scanned through the radar level gage, the grab bucket is guided to be aligned to the highest point, charge level interference is eliminated, and pixel-level distortion correction is conducted on the image based on internal parameters of a camera; and angle calculation is not influenced by lens distortion, so that the output skew angle truly reflects the mechanical state of the equipment, the false alarm rate is greatly reduced, and a reliable data basis is provided for accurate diagnosis.

The utility model relates to the technical field of cement plant kilns, and provides a biomass fuel auxiliary scattering and discharging device which comprises a hopper and a frame, a driving piece is arranged on the outer surface of the hopper, and the inner wall of the hopper is rotationally connected with a first scattering roller, a second scattering roller and a third scattering roller. Linkage pieces are arranged among the first scattering roller, the second scattering roller and the third scattering roller, and scattering cutters are fixedly connected to the surfaces of the first scattering roller, the second scattering roller and the third scattering roller. After the biofuel enters the hopper, a motor drives a first scattering roller to rotate through a speed reducer, a first synchronous wheel drives a second synchronous wheel and a second scattering roller to rotate through a first synchronous belt, and the first synchronous wheel drives a third synchronous wheel and a third scattering roller to rotate through a second synchronous belt, so that a scattering cutter rotates; and in addition, a vibration motor is combined, so that when the hopper is vibrated, the biofuel is convenient to discharge.

The invention belongs to the technical field of metallurgical slag resource utilization, and particularly relates to a nickel smelting slag recycling process. Comprising the following steps: mixing and drying stainless steel pickling sludge, Bayer process red mud and coke powder to prepare iron-containing coke powder; setting a slag pot position and a spray gun position; when the molten nickel smelting slag falls down, iron-containing coke powder is sprayed out at a constant speed through argon by using a spray gun, the molten nickel smelting slag is blown away, and then a reduction reaction is carried out; a fluxing agent is added into the reduced molten nickel smelting slag, then vacuumizing is conducted, magnesium is reduced and evaporated, magnesium steam is collected and cooled, and elementary substance magnesium and magnesium-removed molten nickel smelting slag are obtained; coke powder and metal carbide powder are added into the magnesium-removed molten nickel smelting slag, cooling is conducted after reaction, reaction materials are taken to be crushed, ground and magnetically separated, Fe-Ni-Cr enriched alloy is obtained and used for a steel plant, remaining materials are used as aggregate in a cement plant, the production process is simple, the recovery process is short, energy consumption of equipment can be greatly reduced, and the metal recovery rate is increased.

Methods are provided herein comprising: a) calcining limestone in a cement plant to form carbon dioxide and a calcium compound selected from calcium oxide, calcium hydroxide, or combinations thereof; b) treating the calcium compound with N-containing salt in water to produce an aqueous solution comprising calcium salt and N-containing salt; and c) contacting the aqueous solution with carbon dioxide under one or more precipitation conditions to produce a precipitate comprising calcium carbonate and a supernatant aqueous solution wherein the calcium carbonate comprises vaterite.

The invention discloses a novel bypass ventilation dechlorination system and method for a cement plant, and the system comprises a bypass ventilation pipeline connected with a smoke chamber, the other end of the bypass ventilation pipeline is connected with a settling chamber, the other end of the settling chamber is connected with a separated heat pipe heat exchanger, and a gate plate is arranged between the settling chamber and the separated heat pipe heat exchanger. The bottom of the separated heat pipe exchanger is connected with the pneumatic conveying system; one end, far away from the settling chamber, of the separated heat pipe exchanger is connected with the decomposing furnace; the separation type heat pipe heat exchanger comprises a condensation section, a first evaporation section and a second evaporation section, according to the invention, the temperature of the flue gas without harmful components is about 850-950 DEG C, a proper amount of pulverized coal is sprayed through the combustor to generate a reduction zone, NOx in the flue gas is reduced into N2, the consumption of SNCR ammonia water of a sintering system can be reduced, and the problem of NOx emission of bypass flue gas is solved; the flue gas with the temperature of 850-950 DEG C enters the decomposing furnace and is equivalent to the temperature in the decomposing furnace, so that the influence on a cement sintering system is very small; and crusts are reduced by adopting a separated heat pipe heat exchanger.

The utility model discloses a fluorescent sample preparation dust collection device, which relates to the technical field of fluorescent sample preparation dust collection and comprises a dust suction machine body, a partition plate is fixedly arranged at the center in the dust suction machine body, a top cover is connected to the top of the dust suction machine body through a hinge, and a dust suction assembly is arranged in the dust suction machine body. The cement plant laboratory dust collection device comprises a dust collection machine body which is used for comprehensively absorbing dust in a cement plant laboratory and improving the dust collection effect, a sweeping assembly is fixedly arranged on one side of the dust collection machine body and used for sweeping dust on the ground of the cement plant laboratory and facilitating follow-up centralized dust collection, and the dust collection assembly comprises a dust storage box. The ground of the cement plant laboratory is cleaned through the brushes, and the dust is absorbed by the dust absorption bottom frame and conveyed into the dust storage box to be collected, so that dust on the ground of the cement plant laboratory is cleaned, the dust collection effect is improved, and the application range of the dust collection device is widened.

The present invention discloses a comprehensive recovery and utilization process and device for waste heat from blast furnace slag, and relates to the technical field of waste heat recovery from blast furnace slag. The device specifically includes an inclined single-cylinder cooler, one side of the single-cylinder cooler is provided with a slag ditch and a hot air outlet, the other side of the single-cylinder cooler is provided with a conveying material box, and the interior of the heat recovery box is provided with two-stage step-type grate coolers, and the central axis of the single-cylinder cooler and the step-type grate cooler are not on the same horizontal line. The invention is to transform the mature and experienced equipment of the cement plant, and use the single-cylinder cooler and the grate cooler to rapidly cool the blast furnace slag to form a glass phase through the high-speed cooling air in the grate head of the grate cooler to continuously air-cool the grate plate to recover heat, so as to cool the blast furnace slag to about 100°C, and utilize the multi-stage high-temperature hot air obtained by heat exchange through a variety of existing equipment in the steel plant, which greatly improves the heat recovery efficiency and avoids the cost problems caused by major changes in the plant area.

The invention relates to the technical field of model predictive control, and provides a decomposing furnace outlet temperature model predictive control method comprising the following steps: S1, carrying out data standardization preprocessing on a cement plant data set; s2, performing principal component analysis processing on the preprocessed cement plant data, and reducing the number of obtained observation variables from K to F; s3, training a width learning network model, if the verified R2 decision coefficient is greater than a preset value, keeping the trained width learning network model and then ending training, otherwise, training by using an incremental learning algorithm; s4, taking the predicted output of the model as a predicted value of the outlet temperature of the decomposition furnace in the future, and constructing a model prediction control MPC optimization problem; s5, solving a model predictive control MPC optimization problem by adopting a rolling optimization strategy; and S6, inputting the optimal control quantity into an actual control system of the decomposing furnace, executing corresponding adjustment operation, and obtaining newest observation data again at the next sampling moment. And a reliable technical support is provided for daily operation regulation and control and production decision making of a cement plant.

The utility model discloses a dust removal system for an aggregate production line of a cement plant, which belongs to the technical field of dust removal in cement plants, and comprises a dust collecting box, a dust collecting pipe is arranged on the left side of the dust collecting box, a plurality of airflow guide plates are arranged inside the dust collecting box, a swing mechanism is arranged below the dust collecting box, a bag dust collector body is arranged on the right side of the dust collecting box, a filter bag and an ash hopper are arranged inside the bag dust collector body, a dust collecting vehicle is arranged below the ash hopper, a dust cleaning mechanism is arranged above the filter bag and above the ash hopper, and a second connecting pipe, a fan, and an exhaust pipe are arranged on the air outlet of the bag dust collector body. The utility model performs preliminary treatment on the dust in the airflow by arranging a dust collecting box, reduces the amount of dust, and thus reduces the dust removal pressure of the bag dust collector; utilizes a swing mechanism to drive the dust collecting box to reciprocate left and right, and performs dust cleaning treatment on the inside of the dust collecting box; utilizes a dust cleaning mechanism to clean the filter bag and the ash hopper, and improves the dust removal effect of the bag dust collector.

The utility model discloses a cement plant production water treatment device which comprises a treatment box, a discharging pipe is arranged at the bottom of the treatment box, a discharging valve is arranged on the discharging pipe, the discharging valve comprises a plug, a discharging block is arranged on the discharging pipe, a discharging rod is arranged on the discharging block in a sliding mode, the plug is arranged on the discharging rod, and the plug is arranged on the discharging rod. A rotating shaft is rotationally arranged between the discharging pipe and the discharging block, a rotating block is fixedly arranged on the rotating shaft, a rotating groove matched with the rotating block is formed in the discharging rod, a discharging spring is arranged between the discharging block and the plug, the discharging rod and the plug are conveniently driven to move through rotation of the rotating shaft and the rotating block, and the discharging pipe is opened for water drainage after the plug moves; and after the rotating shaft is reversely rotated, the plug resets under the elastic force action of the discharging spring, the discharging pipe is blocked, water leakage is prevented, and operation is easy and convenient.

Providing an implementable renewable fuel gas plant processes with management of greenhouse gases with minimal changes to existing plant set ups is a technical challenge to be addressed. Embodiments herein provide a system for renewable fuel gas generation and utilization in industrial plants with carbon dioxide as heat carrier. The system design integrates renewable fuel gas (H2) which is generated within the system and utilized to meet the thermal energy requirements of the production process. CO2 produced as byproduct of calcination in a process equipment, such as during calcination in cement plant is used as a heat-transferring medium to heat the H2. Further, the system provides recycling of the generated byproducts by separating the exhaust gases, comprised of CO2 and H2O. The H2O is recycled to generate H2 via electrolysis. The separated CO2 again serves as a heat-transferring medium, while the excess CO2 is sequestrated.

The invention relates to an integrated energy management system of a cement plant, in particular to an algorithm for optimizing a factory production plan by predicting and monitoring photovoltaic, energy storage, waste heat power generation and electrical load in the cement plant. The algorithm comprises a data collection unit, and the data collection unit is used for collecting all data needed by the algorithm; the data processing unit is used for processing abnormal values and missing values in the data collection unit; the prediction and monitoring unit comprises a photovoltaic power generation prediction module, a waste heat recovery monitoring module and an electrical load prediction module, the photovoltaic power generation prediction module is used for predicting photovoltaic power generation capacity, the waste heat recovery monitoring module is used for determining recovery potential and efficiency of waste heat, and the electrical load prediction module is used for predicting future electrical load; the production optimization unit adopts a target optimization model to achieve the purposes of energy cost minimization, environmental influence minimization and production efficiency maximization; according to the algorithm, fine management of energy consumption of the cement plant can be realized, the energy utilization efficiency is improved, and the production cost is reduced.

The utility model provides a dust removal device for a factory easy to raise dust, belongs to the technical field of dust removal of cement plants, and aims to solve the problems that the existing dust removal device for the factory easy to raise dust has high kinetic energy consumption and high cost although the dust removal effect of a dust remover and pulse dust removal is good, and the dust removal effect is limited although a reverse blowing mode is low in cost and mild in dust removal. Comprising a dedusting body; the dust collection box is fixedly mounted at the bottom of the dust removal machine body; the separation mounting plate is fixedly mounted in the dust removal machine body; a plurality of groups of filter bags are arranged, and the plurality of groups of filter bags are mounted in the partition mounting plate; the driving plate is arranged in the dust removal machine body; the driving motor is in bolted connection with the top of the separation mounting plate; the dust removal assembly is arranged in the dust removal machine body; and the ash removal assembly is arranged in the dust removal machine body. The device has the advantages of avoiding back suction, reducing blockage, efficiently removing dust and the like.

The present invention provides a method for producing potassium nitrate that can effectively utilize waste materials discharged from cement factories and can produce potassium nitrate highly efficiently and easily, and a system for treating waste materials discharged from cement factories. [Solution] A method for producing potassium nitrate includes a step of contacting chlorine bypass dust discharged from a cement plant with a saturated aqueous solution of potassium chloride at room temperature to extract potassium chloride from the chlorine bypass dust, a step of contacting the potassium chloride obtained in the potassium chloride extraction step with nitric acid obtained from nitrogen oxides contained in combustion exhaust gas discharged from the cement plant, and a step of heating the fluid obtained in the contacting step at a temperature of 75°C or higher and 175°C or lower to obtain potassium nitrate.

The invention discloses a normal-temperature curing self-cleaning ash-resistant oil-stain-resistant high-light-transmittance super-hydrophobic nano coating and a preparation method thereof. The method comprises the following steps: mixing a nano silicon dioxide dispersion, a nano tin oxide quantum dot dispersion, an acid catalyst and a solvent to obtain a first mixed solution; dropwise adding a mixture containing siloxane dimer, fluorosilane and a solvent into the first mixed solution, and continuing to react after dropwise adding to obtain a primary material; the primary material is subjected to aging treatment. The hydrophobic angle of the coating is larger than 120 degrees, the light transmittance increment is larger than 2%, the resistivity is 108-109, the coating has excellent stain resistance, antistatic performance, dust resistance and corrosion resistance, the efficiency of an original power station is improved by 40% or above, and the coating has a good application prospect. The continuous and efficient power generation capacity of a distributed photovoltaic power station under high-corrosion and high-dust environment conditions such as a steel plant, a cement plant and an aluminum plant is effectively achieved, and the method has a good application prospect.

The utility model provides an energy-saving control device for a high-temperature fan of a cement plant, which belongs to the technical field of equipment of the cement plant and comprises a fan body, a waste heat gas pipe, a vector frequency converter, a controller and a control line, two clamping plates relatively rotate in the controller, clamping grooves are oppositely arranged on the clamping plates, support plates are oppositely arranged on the controller along the clamping plates, and the control line is arranged on the support plates. Half gears are arranged at the bottoms of the clamping plates, the half gears are rotationally connected with the supporting plate through a first rotating shaft, the rotating shaft is sleeved with a torsional spring, guiding plates which extend outwards and are of an arc-shaped structure are integrally formed on the tops of the clamping plates, and the guiding plates on the two clamping plates are oppositely arranged. The clamping plates and the guide plate are arranged, the control line is guided into the clamping groove through the guide plate, the two clamping plates clamp the control line in cooperation with the torsion spring, the situation that the control line is loosened is avoided, meanwhile, the control lines with different diameters can be clamped, and the use range of the device is widened.

The utility model relates to the technical field of central control self-starting of diesel generators, and discloses a central control self-starting system of an emergency diesel generator applied to a cement factory. The central control self-starting system comprises an electrical room dual-power emergency cabinet, an electrical room DCS cabinet, a central control room host computer, a master substation DCS cabinet, a master substation diesel generator and a master substation diesel generator low-voltage cabinet, and one end of the electrical room dual-power emergency cabinet is connected with factory equipment; one end of the electrical room DCS cabinet is connected with the other end of the electrical room dual-power emergency cabinet; one end of the central control room host computer is connected with the other end of the electrical room DCS cabinet; one end of the master substation DCS cabinet is connected with the other end of the central control room host computer; one end of the total substation diesel generator is connected with the other end of the total substation DCS cabinet; one end of the total substation diesel generator low-voltage cabinet is connected with the other end of the total substation diesel generator, and the other end of the total substation diesel generator low-voltage cabinet is connected with factory equipment.

The utility model relates to the technical field of magnetic suspension centrifugal blowers, and discloses a magnetic suspension centrifugal blower based on a desulfurization oxidation air system, which comprises a shell, the air blower body is installed in the shell, and an air inlet matched with the air blower body for use is formed in the shell; the dustproof system is mounted on the shell and comprises a mounting frame, the mounting frame is detachably mounted on the shell, and the mounting frame is located at the air inlet; and the filtering part is arranged in the mounting frame through the fastening piece and the mounting piece. According to the dust-proof fan, the dust-proof system and the multi-stage filtering part are arranged, so that a large amount of dust and particulate matters generated in a dusty and high-humidity environment in a cement plant are effectively prevented from entering the fan, and the problems that the efficiency is reduced and the energy consumption is increased due to the fact that the dust blocks an air channel or is attached to an impeller are obviously reduced; and meanwhile, the maintenance frequency and cost are reduced, and stable operation and long service life of the fan in a severe environment are ensured.

The invention discloses automatic mold removal equipment for cement strength detection, and relates to the technical field of cement production, the automatic mold removal equipment comprises a support, a carrying assembly, a transfer assembly, a mold removal assembly, a mold removal assembly and an electric cabinet; the carrying assembly is mounted at the top of the support and used for carrying the cement molds to different stations for mold removal. The transfer assembly is installed at one end of the support and used for positioning the cement mold and making preparations for carrying. The mold removing assembly is installed in the middle of the support and used for removing the mold of the cement mold. According to the equipment, through cooperative work of the carrying assembly, the transfer assembly, the mold removal assembly and the mold removal assembly, automation of the whole process of carrying, mold removal and mold removal of the cement mold is achieved, the working efficiency is remarkably improved, compared with a traditional manual mold removal mode, manual intervention is reduced through automatic operation, the single-batch mold removal time is shortened, and the labor intensity of workers is relieved. The device is especially suitable for high-frequency detection requirements of large cement plants.