19 results about "Sinter Plant" patented technology

The application discloses a sintering endpoint intelligent sensing method based on a 3D convolution network and belongs to the field of industrial process soft measurement modeling. The prediction model utilizes a space-time 3D convolution network to simultaneously learn space-time features hidden in data, and adopts an encoding-decoding network to perform multi-step prediction on a present sintering endpoint. Firstly, a random permutation and combination method is used to convert a two-dimensional data structure into a three-dimensional format. Then, a 3D convolution is used to extract time features and space features in the data. Next, a space-time feature calibration module is proposed to learn the importance of different features and finely process the features. Finally, the fine space-time features are input into the encoding-decoding network, and a dynamic multi-step prediction loss function is used to realize multi-step prediction on the sintering endpoint, so that the purpose of intelligent sensing is achieved. Related data collected in a sintering plant in South China verifies the effectiveness and feasibility of the method.

The utility model relates to sintering plant granulating drum technical field, concretely is a kind of two mixed drum wedgeless iron connecting structure, including support, cylinder, supporting ring, round bar and scraping device, cylinder is located the upper surface of support, supporting ring is fixedly connected with cylinder, the upper surface of support is rotatably connected with round bar, round bar is in contact with supporting ring, scraping device is set in one end of support, scraping device includes assembly bracket, assembly bracket is fixedly connected with support, the surface of assembly bracket is equipped with slide hole, the inner wall of assembly bracket surface slide hole is slidably connected with scraper, the end close to supporting ring of scraper is equipped with bevel, one end of scraper is fixedly connected with collar, collar is fixedly connected with scraper, one end of assembly bracket is fixedly connected with arc ring, the utility model, can scrape the dirt adhered to the surface of supporting ring, and the distance between scraping device and supporting ring can be adjusted by pulling scraper, ensure the effective removal of different thickness dirt, ensure the cleanness of supporting ring surface.

A sintering belt (10) comprising: a string of grate carriages (12); a support structure configured to support and allow movement of the string of grate carriages (12); at least two longitudinal sealing elements parallel to the direction of movement (D) of the row of grate carriages (12) along the sintering or firing zone (10); at least two transverse sealing elements (14) intersecting the row of grate carriages (12) in the direction of movement (D) of the sintering or firing zone (10) and partially obstructing the movement thereof; and at least one suction tube (16). The suction tube (16), the at least two longitudinal sealing elements, the at least two transverse sealing elements (14) and the bottom surface of the grate carriage (12) are configured to define at least one plenum (PC). The suction tube (16) is further configured to generate a low or high pressure in the plenum (PC). The transverse sealing element (14) comprises at least one sealing roller (18, 18.1-18.15), the sealing roller (18, 18.1-18.15) being configured to partially obstruct movement of a string of grate carriages (12), and the sealing roller (18, 18.1-18.15) comprising an inner roller (18a) defining an inner radius and an elastically deformable outer sleeve (18b) defining an outer radius, and the transverse sealing element (14) comprising a plurality of parallel sealing rollers (18, 18.1-18.15) to define at least one roller table (20). The roller table (20) comprises at least two joining sealing rollers (18.1-18.5) such that the distance between two adjacent joining sealing rollers (18.1-18.5) is strictly between the sum of their inner radii and the sum of their outer radii, the consecutive joining sealing rollers (18.1-18.5) defining a continuous surface (20 ') of the roller table (20).

The invention provides a sintering plant machine head electric precipitation ash treatment method and system, the ash discharge time sequence period of a machine head dust remover is determined, the ash discharge time sequence period comprises an ash deposition time period and an ash discharge time period which are arranged in sequence, the ash discharge time period comprises a plurality of sub-ash discharge time periods, and when the machine head dust remover is in the sub-ash discharge time periods, the ash deposition time period and the ash discharge time period are separated; according to the time sequence, controlling the ash storage bins corresponding to all the dust removal electric fields to sequentially perform partial ash discharging operation, collecting the dust removed in the sub-ash-discharging time period, conveying the dust to a multi-stage washing desalination system for washing, and conveying a filter cake generated by the last stage of washing desalination system of the multi-stage washing desalination system to a sintering and batching process. By optimizing the machine head electric precipitation ash discharging time sequence, the machine head electric precipitation ash serving as a raw material of the washing desalting procedure is stable in component, under the condition that a precipitation ash mixing procedure is not added, an original system is used for premixing the precipitation ash of each electric field of the machine head electric precipitation, and the uniform mixing effect can meet the requirement of the washing desalting procedure of the machine head electric precipitation ash.

The utility model relates to the technical field of dust removal and vulcanization of sintering plants, in particular to a dust removal and vulcanization gas source pipe for sintering plants, which is convenient to connect and comprises a bent pipe and a vertical pipe, a dust removal mechanism is mounted on the inner side of the bent pipe, and a desulfurization mechanism is mounted on the inner side of the vertical pipe; the dust removal mechanism comprises a ring frame and a grading ring pipe, a filter sieve is fixedly installed on the inner side of the ring frame, the grading ring pipe is fixedly installed on the inner wall of the bent pipe, a plurality of air nozzles are evenly distributed in the grading ring pipe, a high-pressure air inlet pipe is installed on the grading ring pipe in a communicating mode, the high-pressure air inlet pipe extends and penetrates to the outer side of the bent pipe, and a first connecting flange is fixedly installed at the left side end of the bent pipe. The dust removal mechanism and the detachable filter sieve are arranged, meanwhile, the joint of the end of the bent pipe can be detached, later maintenance is facilitated, in addition, high-pressure air flow can be introduced through the high-pressure air inlet pipe, air is sprayed to the filter sieve through the air spraying opening, dust and blockages on the filter sieve are knocked down, and the dust removal efficiency is improved. And the filter sieve keeps a good use function.

This invention discloses a method for preparing an ozone catalyst based on oily iron sludge, comprising: adding polyacrylamide, sintering plant electrostatic precipitator ash, and bentonite to dried and pulverized hot-rolled oily sludge, continuously stirring for a set time to obtain a homogeneous material, drying the homogeneous material to a set moisture content to form granules, and carbonizing the granules to obtain an ozone catalyst; effectively solving the problems of harmlessness, volume reduction, and resource utilization of metallurgical solid waste hot-rolled oily sludge, and innovatively providing a production route for an ozone catalyst with low cost and good catalytic performance.

The utility model provides a sintering plant PPC gas tank pulse bag-type dust collector which comprises a dust collection box, a partition plate is fixedly installed on the inner wall of the top end of the dust collection box, a plurality of top rings are fixedly installed on the inner side wall of the partition plate, an inner frame is fixedly installed at the bottom ends of the top rings, a dust collection bag is arranged on the outer side of the inner frame in a sleeved mode, and the top end of the dust collection bag is fixedly connected with the bottom ends of the top rings. The outer side of the dust removal bag is sleeved with a dust removal ring, the inner wall of the periphery of the dust removal ring is slidably connected with a limiting rod, the top end of the limiting rod is fixedly connected with the bottom end of the top ring, and the bottom end of the limiting rod is fixedly provided with a bottom ring. According to the dust removal device, the winding rods in the top ring and the bottom ring can rotate at the same speed in the same direction, then the dust removal ring can be driven to slide downwards on the outer side of the dust removal bag through the winding effect of the winding rods on the pulling rope, and therefore the efficiency of cleaning dust on the dust removal bag can be improved through the downward brushing effect of the dust removal ring on the outer surface of the dust removal bag.

The utility model provides an intelligent dust discharging and precise positioning robot for a circular cooler in a sintering plant, and relates to the technical field of dust discharging of circular coolers in the sintering plant. The intelligent dust discharging and precise positioning robot comprises a circular cooler body, a moving frame is arranged on one side of the circular cooler body, and a dust discharging and intelligent positioning discharging assembly is arranged above the moving frame; the collecting box is fixedly installed between one sides of the moving frames, the discharging hopper is fixedly installed at the bottom of the collecting box, the feeding pipeline is driven to ascend through the arranged dust discharging intelligent positioning and discharging assembly and the electric telescopic rod, the feeding pipeline can jack up a stress block through a protruding block, and the stress block is driven to ascend through the discharging hopper. When the stress block is stressed, the discharging baffle can slide into the inner side of the containing groove, ash on the inner side of the ash discharging hopper and the inner side of the ash flow guide pipe can enter the inner side of the collecting box through the feeding pipeline and the corrugated hose to be collected, and after the ash on the inner side of the collecting box is collected, discharging can be conducted through cooperation of the motor, the driving shaft and the conveying auger.

The present invention belongs to the field of intelligent metallurgy technology and specifically discloses a method, system, electronic device, and storage medium for predicting the metallurgical properties of sintered ore. The method comprises the following steps: obtaining physical and chemical index data of iron ore powder, a blending scheme for the blended ore, and metallurgical property data of the corresponding sintered ore, and establishing a database of historical sintering ore blending schemes; constructing a sintered ore metallurgical property prediction model based on the database of historical sintering ore blending schemes, wherein a hidden layer is defined as the sintering index of the blended ore; and predicting the metallurgical properties of the sintered ore using the sintered ore metallurgical property prediction model, wherein the input of the prediction model is the blending scheme for the blended ore, and the output is the metallurgical properties of the sintered ore corresponding to the blended ore. The present invention utilizes the sintered ore metallurgical property prediction model to effectively predict the metallurgical properties of the sintered ore, providing guidance for the procurement and production of raw materials in sintering plants.

The invention discloses a data large screen system applied to a sintering factory and a manufacturing method thereof, and belongs to the technical field of industrial data visualization. The system comprises a data interface module, a sintering factory three-dimensional model display module, a process link production data display module, a key data cockpit module and an alarm setting module, multi-source production data are integrated through RESTful API, factory three-dimensional model display and view angle switching are achieved by means of Unity 3D, and various data charts are generated by means of eCharts. The system can visually present the production dynamics and key indexes of the whole sintering process link in real time, supports view angle switching, roaming inspection and threshold alarm, breaks an information island, and assists a production manager to quickly and accurately make a decision. The manufacturing method is clear in process and guarantees efficient application of the system.

This utility model relates to the field of mixing technology in sintering plants, and provides a device for automatically adjusting the water supply and preheating the water temperature in a mixer. It includes a preheating water tank, a direct water tank, a heating system, and a control system. The heating system is located inside the preheating water tank and the direct water tank. An upper electric valve connected to the direct water tank is located on the lower side of one end of the preheating water tank. An upper steam heating pipe is horizontally installed inside the preheating water tank. An upper electric steam inlet valve and an upper electric steam outlet valve are installed at the steam inlet and outlet ends of the upper steam heating pipe. An upper electric water inlet valve and a maintenance port are located on the upper side. Water temperature and level detectors A and B for the preheating water tank are installed on the side wall. A lower steam heating pipe is horizontally installed inside the direct water tank. A lower electric steam inlet valve and a lower electric steam outlet valve are installed at the steam inlet and outlet ends of the lower steam heating pipe. Water temperature and level detectors A and B for the direct water tank and a water supply valve are installed on the side wall. The control system includes an automatic water supply control system, a valve opening and closing control system, and a humidity sensor at the mixer's feed inlet.

The utility model belongs to the field of shaft head lossless removing equipment, and particularly relates to a sintering plant roller carrier shaft head lossless removing device which comprises a working table, a cutting base is fixedly installed at the top of the working table, a cutting mechanism is arranged at the top of the cutting base, a clamp base is fixedly installed at the top of the working table, and a clamping mechanism is arranged at the top of the clamp base. A rotary servo motor is fixedly installed on one side of the clamp base, a supporting base is fixedly installed on the top of the workbench, a supporting mechanism is arranged on the top of the supporting base, and a carrier roller shaft is clamped on the inner side of the supporting mechanism. The roller carrier shaft cutting device can well clamp a roller carrier shaft, can provide supporting force for the roller carrier shaft while assisting in clamping the roller carrier shaft through the additionally-arranged supporting mechanism, can adapt to a long roller carrier shaft, enables the roller carrier shaft to be kept stable when a shaft head of the roller carrier shaft is cut, and improves the cutting quality of the roller carrier shaft. And the safety is improved, and meanwhile, the cutting precision is also improved.

The utility model provides a corrosion-resistant monitoring and protecting device for the oil level of a speed reducer in a sintering plant. Relates to the technical field of steel plate processing. The device comprises a reduction gearbox, a heat dissipation mechanism and a monitoring mechanism. One side of the reduction gearbox is fixedly connected with a shell, one side of the shell is fixedly provided with a round pipe, the heat dissipation mechanism is arranged in the shell and the round pipe and is connected with the reduction gearbox, the reduction gearbox is provided with a mounting hole, and a monitoring mechanism is arranged in the mounting hole; the heat dissipation mechanism comprises a liquid pump, a three-way pipe, a heat dissipation pipe, a heat dissipation fan, a round pipe, a first electromagnetic valve and a second electromagnetic valve, the liquid pump is fixedly installed in the shell, and one end of the liquid pump is connected with the reduction gearbox in a sealed mode. The anti-corrosion monitoring and protecting device for the oil level of the speed reducer in the sintering plant has the advantages that the effect of automatically monitoring lubricating oil in the speed reducer can be achieved through cooperation of all the components, and the effect of automatically dissipating heat of the lubricating oil can be achieved.

The present invention relates to a method for supplying raw materials to a sintering plant (20), the method comprising the step of supplying raw materials using a mixed material (7, 8) to facilitate the sintering process with reduced consumption of fossil fuels, the mixed material (7, 8) comprising a granular iron-bearing material (1) and a granular pyrolyzed biomass (2) in a mixed form, the iron-bearing material (1) being preferably iron ore (1) and the pyrolyzed biomass (2) being preferably charcoal (2).

The utility model discloses an oxygen-enriched side-blown smelting system for extracting phosphorus from phosphorus-containing materials, and relates to the technical field of phosphoric acid preparation. Comprising one or two oxygen-enriched side-blown furnaces, each oxygen-enriched side-blown furnace comprises a molten pool and a furnace body, a feeding port and a flue port are formed in the top of each furnace body, and multiple layers of spray guns are arranged on the side wall of each furnace body up and down; the flue port is sequentially connected with a flue gas purification device and an adsorption tower through a pipeline; a slag discharging opening and a metal discharging opening are formed in the molten pool; when only one oxygen-enriched side-blown furnace is provided, the molten pool comprises a smelting area and an electric heating area, the furnace body is arranged above the smelting area, and a channel for communicating the smelting area with the electric heating area is arranged at the bottom of the furnace body; when two oxygen-enriched side-blown furnaces are arranged, the two oxygen-enriched side-blown furnaces are connected through a molten liquid hot delivery chute. The device does not need to be matched with a sintering plant, a pelletizing plant and a coking plant, and has the advantages of low investment, short flow, environment friendliness, low energy consumption and the like.

The invention relates to the technical field of metallurgy, in particular to a sintering factory cooling process production state intelligent analysis system which comprises a data sensing layer, a data management layer, an intelligent analysis layer and a function application layer. The intelligent analysis layer is used for analyzing the sintering process production state, standardizing the data and transmitting the standardized data to the data management layer, and providing original data for the sintering plant sintering process production state intelligent analysis system, and the intelligent analysis layer provides a sintering process production state analysis model; the function application layer constructs a front-end application to display data and alarm of the intelligent analysis model and set related parameters; according to the invention, intelligent analysis of the production state of the cooling process is realized, the data utilization rate is improved, and the potential value of data is fully played.

The present invention discloses an intelligent detection method for sinter drum strength that integrates knowledge and data, and belongs to the field of soft measurement modeling for industrial processes. The present invention utilizes a gated spatiotemporal convolution module to extract the spatiotemporal features of the sintering process from the perspectives of knowledge and data, respectively, and adopts a local preservation projection method to fuse these two types of features, thereby realizing intelligent detection of drum strength driven by knowledge and data. First, expert knowledge and the Gaussian kernel distance formula are used to construct adjacency matrices based on knowledge and data, respectively. Then, the graph convolution and time convolution are fused using the gating idea to build a gated spatiotemporal convolution module; then, a dual-branch network is constructed to extract knowledge-based features and data-based features, respectively. Finally, the local preservation projection method is used to fuse these two types of features and input them to a fully connected layer to realize intelligent detection of drum strength. Data on sinter drum strength were collected in a sintering plant to verify the effectiveness and feasibility of this method.

The invention relates to the technical field of sintering processes, in particular to an iron ore sintering equipment process which is characterized in that the whole equipment is of a structure shaped like a Chinese character'tian 'and comprises four independent large combustion furnaces A, B, C and D. Each large combustion furnace is divided into a plurality of grid areas, and a common flue gas collection channel (1 # main flue and 2 # main flue) and a medium auxiliary system are arranged in the middle of a furnace body. The middle flue of the combustion furnace is divided into two sections, and the two furnaces (A and D, B and C) share one section of flue; two bin entering belt conveyors (namely a 1 # material distribution vehicle and a 2 # material distribution vehicle) are arranged in the middle of the other bin, and the same bin provides materials for the two furnaces (A, B, C and D) in the corresponding direction; a vertical square sintering furnace structure is adopted in the top structure of the equipment, an air draft system is arranged on the top, a plurality of air draft air guide pipes are arranged from the bottom of a flue to all combustion furnaces in a dispersed mode, a separation structure is arranged in each combustion furnace, and independent regulation and control of a single separation bin are achieved in cooperation with a top gate plate.

The invention provides a sintering plant machine head electric precipitation ash treatment system and method.The system comprises a machine head electric precipitation system and a precipitation ash washing desalting system, the machine head electric precipitation system comprises a first-stage precipitation electric field and a second-stage precipitation electric field, and by optimizing a machine head electric precipitation ash discharging time sequence, a first ash discharging time sequence period and a second ash discharging time sequence period are set respectively; in the first working mode, the dedusting ash corresponding to the first-stage dedusting electric field passing through the first ash discharging time sequence period is fed into the dedusting ash washing desalting system to be washed, and in the second working mode, the dedusting ash corresponding to the first-stage dedusting electric field passing through the first ash discharging time sequence period is fed into the dedusting ash washing desalting system to be washed; and the dedusting ash corresponding to the secondary dedusting electric field passing through the second ash discharging time sequence period is fed into a dedusting ash washing desalination system to be washed. The first working mode and the second working mode which are independent are set, so that the stability of raw material components entering the dedusting ash washing desalting system is ensured, the production stability of the washing desalting process can be improved, the failure of sintering equipment is reduced, and the whole system is more efficient and stable in operation.