32results about How to "Reduce the investment cost once" patented technology

A control system and method for reducing oxynitride in coke oven waste gas are disclosed. The control system comprises a coke oven, a temperature detection system, a heating automatic control system, a coking end time automatic judging model, a coking coal maturity model, a target coke oven flue temperature model, a gas flow control unit, and a sub-flue suction control system. The control method comprises the following steps: detecting the temperature of raw gas in a coke oven, the online flue temperature, and coke cake temperature by a temperature sensing probe, sending the raw gas temperature to the coking end time automatic judging model and coking coal maturity model; sending the CI and K values to the target coke oven flue temperature model by the coking end time automatic judging model and coking coal maturity model, sending the target coke oven flue temperature (Ts) to the heating automatic control system by the target coke oven flue temperature model; and controlling the heating automatic control system to control the gas flow control unit and the sub-flue suction control system to feed gas and sub-flue waste gas into the coke oven. The provided control system and method can prominently reduce the oxynitride discharge, and have the advantages of easy promotion and application, and low investment and operation cost.

The invention discloses a compact hot metal conveying system. The system comprises a blast furnace area (100), a steelmaking workshop (200) and a transition bay (300), wherein a blast furnace (1) is arranged in the blast furnace area (100), an iron outlet of the blast furnace (1) is provided with a hot metal conveying line (5), the steelmaking workshop (200) is provided with a converter (7) and a feeding bay (11), the hot metal conveying line (5) in the blast furnace area (100) extends into the feeding bay (11), and the transition bay (300) is located between the blast furnace area (100) and the steelmaking workshop (200) and is used for hot metal buffering during accidents in the steelmaking workshop (200). The blast furnace area (100), the steelmaking workshop (200) and the transition bay (300) are arranged in parallel and connected through the hot metal conveying line (5), and the hot metal conveying line (5) is arranged vertical to the blast furnace area (100), the steelmaking workshop (200) and the transition bay (300). The compact hot metal conveying system is smooth in process, compact in general drawing, low in investment and operation cost, and suitable for newly-built integrated iron and steel enterprises.

The invention relates to a perpendicular steering device for a packaging box. The perpendicular steering device comprises a driving mechanism, a supporting plate, a rubber plate and a ball baffle. Theoutput end of the driving mechanism and the back face of the supporting plate are fixedly mounted, and one ends of two cantilevers are symmetrically and fixedly mounted at the two ends of the front face of the supporting plate. The ball baffle is fixedly mounted at the other end of the left cantilever. The ball baffle is located above a conveying belt and is vertically mounted, and a fixed frameis fixedly mounted at the other end of the right cantilever. The rubber plate is fixedly mounted on the fixed frame. The rubber plate is located on one side of the conveying belt, and the bottom faceof the rubber plate is slightly higher than the top face of the conveying belt. According to the perpendicular steering device, a box steering action is completed through dual control of the frictionrubber plate and the ball baffle. The packaging box steers by 45 degrees or above when reaching the ball baffle and continues to steer to reach 90 degrees along the baffle, and the precise steering of90 degrees of the packaging box is guaranteed. Operation is convenient, the labor cost and operation cost are reduced, and the one-time investment cost is reduced.

The invention belongs to the technical field of manufacture of environmental protection equipment, and relates to a thermal energy recycling device and method for treating flying ash of a garbage incinerator by a high-temperature melting method. The device comprises a high-temperature melting furnace, an IHE, a high-temperature tail gas heat sink, a molten slag cooling and conveying device, flue gas heavy metal desorption treatment equipment, a garbage incineration boiler, a dust remover and a chimney, wherein high-temperature tail gas of the high-temperature melting furnace is delivered to the flue gas heavy metal desorption treatment equipment and is treated after being cooled; molten slag in the high-temperature melting furnace becomes glass bodies after being cooled; the glass bodies are discharged along with a conveying chain of the molten slag cooling and conveying device; and thermal energy of the high-temperature tail gas and thermal energy in the molten slag are recycled in the garbage incineration boiler and is utilized. Garbage flying ash treated by the high-temperature melting method is directly applied to the garbage incineration boiler, energy consumption cost is greatly reduced, furthermore, the tail gas treatment mode is simplified, a system is also simplified greatly, primary investment costs are reduced, and by application of the high-temperature melting method on the garbage incineration boiler, harmless treatment of the flying ash can be realized, and furthermore, the economic value is high.

The invention discloses an air treatment system. The air treatment system comprises a clean room, an upper interlayer, a lower interlayer and an air-returning shaft, wherein the upper interlayer is located on the clean room, and the lower interlayer is located under the clean room; equipment fences are arranged inside the clean room, and space defined by the equipment fences is used for containing equipment generating chemical substance pollutants in the work process; the lower interlayer and the clean room are separated by a separation plate system with an air return port; lower-layer fences extending to the bottom from the top of the lower interlayer are arranged inside the lower interlayer, and air inside the equipment fences can enter the lower-layer fences from the air return port of the separation plate system; a chemical substance pollutant treatment device located inside the lower interlayer communicates with the space defined by the lower-layer fences through a pipeline; air treated by the chemical substance pollutant treatment device can enter the upper interlayer through the air-returning shaft. According to the air treatment system, the technical problems that because circulating air inside the clean room needs to be completely treated by the chemical substance pollutant treatment device, the amount of the air to be treated is huge and the treatment efficiency is low are solved.

The invention discloses a method for cooling hydrogen in front of a hydrogenation machine. The method comprises the following steps that (1), a coolant is introduced into a cooler; and (2), hydrogen is introduced into the cooler and filling is carried out. The coolant is liquid nitrogen. The method for cooling the hydrogen in front of the hydrogenation machine has the following beneficial effects that (1), a coolant circulating cooling system is cancelled, so that the one-time investment cost and the operation and maintenance cost of the system are reduced; (2), liquid nitrogen is adopted as the coolant, so that corrosion of the coolant to equipment is avoided, the safety of the system is improved, the heat exchange efficiency is high, and the requirement of the hydrogenation machine for quickly hydrogenating an automobile can be met; and (3), the liquid nitrogen is adopted as the coolant, after the hydrogen is cooled, the liquid nitrogen is slightly treated and emptied, and no pollutant is discharged.

The invention relates to a method for suppressing the generation of sulfur trioxide in the flue gas of acid-making smelting of heavy nonferrous metals. Carbon disulfide is used as a reducing agent to suppress the generation of sulfur trioxide. Add a certain concentration of CS 2 gas for this purpose. Its principle of action is to use the injected CS 2 Gas pairs with catalytic SO 2 form SO 3 The effect of the dust surface to compete with the reaction, thereby inhibiting the SO 2 Catalytic oxidation to produce SO 3 ; additional CS 2 It is also possible to directly put the SO 3 Revert to SO 2 . Eliminate SO through the above effects 3 the goal of. Compared with the prior art, the present invention has the advantages of simple operation, low cost and high efficiency, and does not consume SO in the flue gas during the elimination process 2 The production of sulfuric acid is reduced, and there will be no secondary pollution such as waste water and residue.

The invention relates to a chimney type desulfurization, denitrification and dust removal integrated device and a working method thereof. The device comprises a main treatment tower and a desulfurization and dust removal reactor, wherein the bottom of the main treatment tower is directly communicated with a coke oven main flue channel, a rainproof top cover is arranged above a top opening, the desulfurization and dust removal reactor is arranged on the outer side of the lower portion of the main treatment tower, a bottom interlayer plate, a lower interlayer plate, a denitration reducing agent spraying pipe, a foam metal uniform distribution layer, a denitration catalyst layer and a fan are sequentially arranged in the main treatment tower from bottom to top, a desulfurization and dust removal inlet is formed in the main treatment tower body below the bottom interlayer plate and is communicated with the desulfurization and dust removal reactor, a desulfurization and dust removal outlet is formed in the main treatment tower body above the lower interlayer plate and is communicated with the desulfurization and dust removal reacto, and the fan is arranged at the top opening of the main treatment tower. According to the invention, on the premise of meeting the flue gas treatment requirement, the process design is further optimized, the device is compact in structure, reliable in operation and small in occupied area, and the investment and operation cost of a coke oven flue gas purification treatment system can be effectively reduced.

The invention discloses wood window machining equipment and process. The wood window machining equipment comprises an end part molding machine and a vertical molding machine, and particularly comprises a feeding device, a horizontal cutter shaft, a vertical cutter shaft, a hoisting moving device, a conveyor belt, a first upper material pressing conveyor belt, a second upper material pressing conveyor belt, a worktable, a discharging device, a feeding chain belt, a first rack, a second rack, a first precision slide rail, a second precision slide rail, a third precision slide rail, a first stand column, a second stand column, a third stand column, a first motor and a second motor. In the set of equipment, the machining of 30 window materials can be finished at maximum in each minute and a machined surface has a polishing-free effect. The service life of a tool is 30-45 times as much as the service life of an existing imported molded line tool under the same cutting condition; the comprehensive use cost of the tool is reduced by 60% and the production efficiency is greatly improved.

The invention discloses a gas-phase aldehyde hydrogenation reactor, which comprises a reactor body, a manhole arranged on the reactor body, a catalyst bed body arranged inside the reactor body, and a distributor distributed on the catalyst bed body. The catalyst bed is provided with a driving loading device that is convenient for catalyst replacement and loading. This gas-phase aldehyde hydrogenation reactor is provided with a catalyst loading device on the corresponding catalyst body inside the reactor body. The catalyst loading device can make The catalyst is evenly distributed on the catalyst bed, and the loaded catalyst can be evenly paved and compacted. At the same time, after the catalyst has reacted many times, the reacted catalyst can be unloaded in time. It can not only ensure the complete unloading, but also save the amount of catalyst loading as much as possible, reduce the primary investment cost, and thus effectively improve the reaction rate of gas phase aldehydes.

The invention discloses an online refining technology of molten steel. The online refining technology of the molten steel comprises the technological processes of draining sand filling of a hollow steel ladle, primary melting furnace tapping, online argon blowing, steel ladle conveying, molten steel refining and the like. Two or three molten steel conveying lines are converged into one line through an intersected turnout, an inverted-V-shaped molten steel conveying line or a molten steel conveying line shaped like the Chinese character 'ge' is formed, the inverted-V-shaped molten steel conveying line or the molten steel conveying line shaped like the Chinese character 'ge' is communicated with a tapping station of the primary melting furnace and two or three refining stations of a refining furnace, a steel ladle vehicle carries a steel ladle to operate between the tapping position and the refining positions, one primary melting furnace corresponds to two to three refining stations online, and continuous, compact, dynamic and orderly online refining technology processes of the molten steel are achieved. Due to the crossed molten steel conveying lines, a crown block is not used for lifting molten steel, the online refining technology for molten steel is achieved, waiting of the steel ladle is reduced, the interference of the crown block is eradicated, the circulation period of the steel ladle is shortened by 20-30 min, the tapping temperature of molten steel is lowered by 10-15 DEG C, the construction cost is saved, and the operation cost and the production cost are reduced.

The invention belongs to the technical field of metallurgy, and discloses a method for heat treatment, in particular a hot galvanizing annealing technique and a high temperature annealing furnace, which are adopted by galvanized wires. The method comprises the following steps: strip steel is heated in a non-oxidation regenerative heating furnace; the heated strip steel enters a heat holding furnace without supplying heat so as to lead the strip steel to complete reduction and recrystallization annealing; after the recrystallization annealing is completed, the strip steel enters a fast coolingsection and then enters a zinc pot by a steering roll chamber after being cooled. The high temperature annealing furnace used by the annealing technique comprises the non-oxidation regenerative heating furnace, the heat holding furnace without supplying heat and the fast cooling section. The invention can reduce the cost of one-time investment by more than 30 percent, simultaneously save the energy by more than 30 percent and can be widely applied to the hot galvanizing annealing technique of the galvanized wires.

The invention discloses an alternating clamp type metal surface treatment system. The alternating clamp type metal surface treatment system comprises a surface cleaning device and a surface heat treatment device; a metal plate is subjected to surface dust removing cleaning through the surface cleaning device, and then paint coating is performed; later, the metal plate is conveyed by an operator into the surface heat treatment device for surface heat treatment; the surface cleaning device comprises clamping plates correspondingly arranged on the two sides of the metal plate; each clamping plateis fixedly connected with one hydraulic cylinder output rod; a hydraulic cylinder is fixedly connected with a motor output shaft through an L-shaped rod; the side wall of the L-shaped rod is fixedlyconnected with an abutting pressing plate; a main brush box with an opening in the front end and an auxiliary brush box are further included; the upper and lower side walls of the main brush box and the auxiliary brush box are each fixedly connected with a plurality of flexible brush wires; the upper walls of the main brush box and the auxiliary brush box are fixedly connected with pneumatic cylinder output rods through connection columns; and pneumatic cylinders are fixedly connected to vertical plates.

The invention discloses a metal surface heat treatment device with a self-diagnostic function, which includes a frequency conversion fan, an air heater, an indirect image detection component, a camera standard calibration component, an activated carbon propulsion component, and a steam pipe isolation component, which can monitor the metal surface. Self-diagnosis of paint falling off has good promotion value.