34results about How to "Realize energy-saving production" patented technology

The invention relates to a pipe pile water curing method. In the method, a water storage tank is arranged, and condensate water and residual steam in a still kettle are guided into the water storage tank; a pipe pile is placed in a steaming and curing pool, the condensate water in the water storage tank is guided into the steaming and curing pool, and the residual steam in water storage tank is guided into the steaming and curing pool; and steaming and curing the pipe pile in the steaming pool for 4-5 hours at 80-90 DEG C. The curing device comprises the steaming and curing pool, the water storage tank and the still kettle, wherein the steaming and curing pool is provided with a water-steam port; the water storage tank is provided with a residual steam outlet, a residual steam inlet, a condensate water outlet and a condensate water inlet; and the still kettle is provided with a steam inlet and a steam outlet. A condensate channel is arranged between the water-steam port of the steaming pool and the condensate water outlet of the water storage tank, and a steam channel is arranged between the water-steam port of the steaming pool and the residual steam outlet of the water storage tank. The condensate water inlet of the water storage tank is communicated with the condensate water outlet of the still kettle through a third electric control valve and a pipeline, and the steam inlet of the water storage tank is communicated with the steam outlet of the still kettle through a second steam valve and a pipeline.

The invention relates to a new energy-saving production process of ethyl acetate. The process comprises the sections of esterification, light removal, refining and recovery, and the membrane separation section is added between the esterification section and the light removal section. The organic phase at the esterification tower top is subject to membrane separation to desorb most moisture, and one part of the treated organic phase returns to an esterification tower to reflow and the other part is sent to a light removal tower to be refined. The membrane separation section comprises a vacuum cover (with a membrane module inside), a condenser, a penetrating fluid tank, a buffer tank and a vacuum pump. The method provided by the invention can greatly reduce water circulating in the esterification and light removal sections, save the heating steam in the esterification tower and the light removal tower, reduce the loads of the esterification tower and the light removal tower and further improve the production capability of the esterification tower and the light removal tower.

The invention belongs to the technical field of production of pentaerythritol, and in particular discloses an energy-saving production method of pentaerythritol. The energy-saving production method of pentaerythritol comprises the following steps: obtaining secondary steam containing alcohol aldehyde and heat at tower top of a dealdehyding tower by using an energy gradient utilization concept, and carrying out gradient utilization of the secondary steam to a dealcoholization tower, an evaporator and a concentrated solution pre-dealdehyding tower to realize the aim of heating the dealcoholization tower, the evaporator, and the concentrated solution pre-dealdehyding tower by using the secondary steam at the tower roof of the dealdehyding tower, so that the energy source is comprehensively utilized; and recycling waste heat so as to heat the to-be-heated material, adding a dealcoholization tower gas phase heat exchanger, a dilute formaldehyde heat exchanger and an alcohol-containing dilute formaldehyde heat exchanger before entering the concentrated solution pre-dealdehyding tower, and increasing the feeding temperature of the concentrated solution pre-dealdehyding tower to 90 DEG C from 60 DEG C through the improvement. The energy-saving production method of pentaerythritol, provided by the invention, realizes one energy source with multiple purposes through series utilization according to the energy grade, the energy source is comprehensively utilized, and thus the energy-saving production of pentaerythritol is finally realized.

The invention belongs to the technical field of chemical production, and relates to a method for producing sodium silicate by utilizing sodium sulfate. The method can also be used for producing the sodium silicate or white carbon black. The method comprises the following steps of (1) raw material preparation: putting sodium sulfate, quartz sand and a reducing agent into a smelting reduction furnace according to a certain mass ratio; (2) reduction reaction: carrying out a heating reaction on the raw materials in the smelting reduction furnace and simultaneously stirring the raw materials; (3) product obtaining: carrying out water quenching on a sodium silicate melt body, which is generated after the reaction is completed, to make the sodium silicate melt body into a sodium silicate product, and collecting SO2 gas generated in the reaction to prepare concentrated sulfuric acid. The method disclosed by the invention is simple in technological process and low in energy consumption, the purity of the generated sodium silicate product is high, SO2 can be totally recycled, and the method has the characteristics of energy conservation, environment protection and the like.

The invention relates to a steam-curing free coal ash brick and a making method thereof. According to the steam-curing free coal ash brick and the making method thereof, coal ash, cement, gypsum, aggregate, an alkali mixing material, an excitant, a water retaining agent, a fiber and water are adopted as raw materials, and a coal ash brick which meets strength standard requirements is made throughpremixing, aging, cloth pressing and steam-curing free normal-temperature maintenance. By adopting the steam-curing free coal ash brick and the making method thereof, efficient utilization of coal ashis achieved, the mixing utilization rate is greater than 70%, reactions can be implemented at a normal temperature, steam-curing is avoided in a maintenance mode, energy-saving production is achieved, coal ash bricks which meet strength standard requirements can be made, and remarkable environment benefits, economic benefits and social benefits can be made.

The invention relates to a multi-size steel wire ball production device. The multi-size steel wire ball production device comprises a rack and a supporting platform on the top of the rack; a conveying belt is arranged on the front of the rack, and the device is characterized in that a wire grinding roller shaft is arranged on the upper portion of the supporting platform, a wire drawing unit is arranged on the end of the supporting platform, a wire stir fusing unit is arranged on the lower portion of the steel wire drawing unit, a steel wire is drawn through the wire grinding roller shaft and the wire drawing unit, and through rotation of the wire stir fusing unit, a spherical steel wire ball is formed. According to the multi-size steel wire ball production device, full-automation production can be achieved, multiple steel wire balls can be produced at one time, interruption is not needed in the production process, efficient production is achieved, energy-saving production is achieved, and the environment-friendly production is achieved.

The invention provides an oil well energy-saving production control system which comprises a host computer system, an electrical parameter tester, an indicator diagram tester and an oil well controller. The electrical parameter tester is connected to the oil well controller and connected with a main motor to detect the voltage and current data of the main motor in running and transmit the voltageand current data to the oil well controller, the indicator diagram tester is connected to the oil well controller to detect the polished rod load and movement position of a pumping unit and transmit the polished rod load and the movement position to the oil well controller, the oil well controller transmits the received detection data to the host computer system, the host computer system analyzes,diagnoses and optimizes the oil well working condition according to the received detection data and transmits the optimization result to the oil well controller, and the oil well controller controlsthe work of the main motor and a balancing motor according to the optimization result. The oil well energy-saving production control system realizes oil well supply and discharge coordinated production, reduces the energy consumption of oil well production, realizes intelligent control over oil well production and improves the automation degree of oilfield production.

The invention discloses a low temperature production method for a high speed corrugated board line, and a steam system, and belongs to the field of corrugated board production. The low temperature production method mainly comprises the following steps that (1), making preparations; (2), setting base paper wrapping angles; (3), pressing a single-face corrugated board; (4), forming the single-face corrugated board; (5), regulating the clearance between a spreading roller and a scraping roller of a double-face machine and the clearance between contact rods; (6), setting the temperature of multiple preheaters; (7), regulating the spreading roller speed and spreading clearance of the double-face machine; (8), wrapping corners of a multilayered corrugated board; and (9), forming the multilayered corrugated board. According to the low temperature production method, the high speed production of the corrugated board line is achieved by adopting low temperature primary saturated steam, and meanwhile damage to base paper fibers is reduced; and the physical index of the corrugated board is ensured, and the warpage deformation of the produced corrugated board is avoided. The low temperature production method is mainly used for low temperature, low pressure and high speed production of the corrugated board.

The invention discloses a pressure control system for a boiling pot, relates to the technical field of beer production, and solves the technical problem that the pressure of the boiling pot is inconvenient to control. The system comprises a boiling pot body, a controller and a secondary steam heater, wherein a pressure discharge port of the boiling pot is connected with an input port of the secondary steam heater through a secondary steam pipe, and the boiling pot is provided with a first temperature sensor; a first pressure transmitter is arranged at a pressure discharge port of the boiling pot, a regulating valve and a pressure discharge valve which are connected in parallel are arranged at an output port of the secondary steam heater, and the controller is electrically connected with the first temperature sensor, the first pressure transmitter, the regulating valve and the pressure discharge valve. The controller is used for adjusting the opening degree of the adjusting valve and the pressure discharging valve in real time, so that the pressure in the boiling pot is stabilized at the first set value, the boiling temperature in the boiling pot is always at the optimal boiling temperature, the beer quality can be guaranteed, the recovery rate of secondary steam can be increased, and energy-saving production is achieved.

The invention belongs to the field of energy-saving optimization of the production and manufacturing industry, and discloses a manufacturing system energy-saving operation decision-making method and device based on a fuzzy Petri net. The method comprises the following steps: (1) acquiring real-time state information of a machine and real-time in-process product levels of upstream and downstream buffer areas of the machine as input variables of an energy-saving decision; (2) taking the decision state of the machine as an output variable, establishing a fuzzy reasoning rule base of an energy-saving operation decision, and determining influence weights of an input variable and the output variable; (3) establishing a fuzzy Petri net model of an energy-saving operation decision according to theinput and output variables, the influence weight and a fuzzy reasoning rule base; (4) obtaining the credibility of a conclusion proposition through fuzzy Petri network reasoning calculation; and (5)the decision corresponding to the conclusion proposition with the maximum credibility being the machine decision state at the current moment. While the yield of the production system is effectively maintained, remarkable energy consumption saving can be achieved, the execution process is simple, and the application range is wide.

The invention discloses an underground blockage device of a casing pressure balanced working method. The lower end of an upper-stage casing is connected with a blockage casing through a transition conical face. The diameter of the blocking casing is smaller than that of the upper-stage casing. A limiting device is arranged on the inner wall of the blocking casing. The lower end of the blocking casing is connected with a through hole sieve tube. The through hole sieve tube is connected with a correcting tube through a transition conical face. The diameter of the correcting tube is equal to that of the blocking casing. A blocking opening of the lower end of the correcting tube is provided with a vent hole. A blocking blind tube or a blocking device with a closed lower opening is installed in the blocking casing in a matched mode. A disengagement device is arranged on an upper tube opening of the blocking blind tube or the blocking device. A seal ring is installed on the outer wall of the blocking blind tube through a seal ring groove. The blocking blind tube is matched with the blocking casing or the correcting tube through the seal ring, or underground blocking is achieved through the blocking device. The underground blockage device is reasonable in structure and reliable in performance, a pipeline can be blocked underground, pressure inside the casing and pressure outside the casing are separated, and the well repairing work of detaching a sucker rod, an oil tube or a casing under pressure can be achieved.

The invention discloses an FPC reworking jig and an FPC reworking method. The FPC reworking jig comprises a main frame, a heating control circuit, a heating platform and a supporting part, wherein a mounting table is formed on the main frame; the heating platform is arranged on the mounting table; the heating control circuit is arranged in the mounting table; the heating control circuit is electrically connected with the heating platform; the supporting part is arranged at one side of the main frame; the working temperature of the heating platform is 100 to 200 DEG C; a positioning part is arranged on the heating platform; the positioning part is matched with the supporting part, so that a to-be-disassembled FOG product is placed on the heating platform; and liquid crystal glass of the FOGproduct and the heating platform form an angle of 30-120 degrees. Thus, the liquid crystal panel and the FPC after the FOG defective product is disassembled are reworked and reutilized, the success rate is high, the waste of raw materials is greatly reduced, and green and environment-friendly energy-saving production is realized.

The invention discloses a drying room and a method for dehydration through the drying room. The drying room comprises an air freshening machine dew point cooler, an oscillating heat pipe, a duplex electric air valve, an exhaust air waste heat recovery wind cabinet, surface air coolers and fans; and an air inlet is formed in an entrance of the drying room, and an air exhaust port is formed in the drying room. The invention further provides the method for dehydration through the drying room. After entering the drying room, fresh air carries out heat exchange with the air freshening machine dew point cooler and then carries out heat exchange with the oscillating heat pipe, air on the top of the drying room carries out heat exchange with the surface air coolers and then carries out heat exchange with the oscillating heat pipe, and therefore the air can be cooled; and heat of cold water is absorbed after the cold water passes through the air freshening machine dew point cooler, the surface air coolers and the oscillating heat pipe, and therefore energy-saving production of air dehydrating and drying can be realized.