348 results about "Gas consumption" patented technology

The invention discloses an indoor gas consumption abnormity early warning method, device and equipment and a storage medium. The method comprises the following steps: acquiring historical parameter information related to gas information in a target user room; according to the historical parameter information and a pre-constructed gas consumption prediction model, predicting the predicted gas consumption of indoor gas of the target user in a preset prediction period; according to the historical parameter information and the predicted gas consumption, determining a target consumption threshold interval in the preset prediction period; and in the preset prediction period, if the actual indoor gas consumption of the target user is located outside the target consumption threshold interval, determining that the indoor gas consumption of the target user is abnormal, and performing alarm processing. According to the method, the reliability of monitoring the tiny leakage can be improved, false alarm and false interference on the user experience are reduced, an active early warning mechanism is introduced, and a technical basis is provided for gas use safety early warning.

According to the multifunctional integrated oven trolley, fuel gas is adopted as energy, smoke generated in the barbecuing process can be reduced, no charcoal ash is left, and cleaning and maintaining are convenient; the multiple straight pipe furnace ends can be independently controlled, a user can adjust fire power according to requirements, gas consumption is reduced, the overall temperature control precision is improved, and partition temperature control is supported; the movable cabinet body is convenient to move, and food materials are convenient to stack due to the arrangement of the storage table; through the design of the exhaust fume collecting hood and the exhaust fume extraction device, exhaust fume gas generated in the barbecue process can be extracted, meanwhile, after the hood body rotates upwards by 90 degrees to be opened, some scattered exhaust fume can enter the main fume suction channel of the exhaust fume collecting hood along the auxiliary fume suction channel and the auxiliary fume suction opening, and due to the fact that the coverage range of the hood body is large, the range of the hood body is large. The range of suction of the spilled oil smoke is larger, so that the spilled oil smoke gas is further sucked, and finally, the oil smoke gas subjected to concentrated suction can be matched with a related oil smoke purifier for purification treatment.

The invention relates to the field of gas pressure anomaly detection, and particularly discloses a catering user gas meter pressure anomaly fluctuation risk early warning method which comprises the following steps: S1, based on historical gas pressure data, determining a pressure upper and lower limit threshold value and a pressure change rate threshold value, and constructing a dynamic gas consumption behavior model; s2, gas pressure data are monitored in real time, when a pressure value exceeds a corresponding threshold value range or a pressure change rate exceeds a corresponding threshold value, pressure abnormity early warning is triggered, and an abnormity type is identified; s3, based on the pressure overrun characteristic and fluctuation characteristic of the gas pressure curve, the risk grade is evaluated, and grading early warning is started; and S4, judging whether fluctuation is synchronous or not and carrying out fault positioning by synchronously analyzing time-space correlation characteristics of the gas pressure curve and the gas flow curve. Through multi-dimensional feature analysis, dynamic modeling and comprehensive risk assessment, abnormity can be accurately identified, a fault source can be distinguished, and the gas use safety and the operation and maintenance efficiency are effectively improved.

The invention discloses an air compression station flow supply and demand gap calculation method based on multi-source data and a dynamic game, and belongs to the technical field of industrial air compression station intelligent control. Constructing a pipeline pressure drop dynamic model based on the multi-source real-time data; establishing a workshop demand dynamic response function based on the multi-source real-time data, and further calculating an air compression station flow supply and demand gap; a non-cooperative game model of multiple air compressor units and multiple workshops is constructed, and the minimum total energy consumption of air compression stations serves as a target function; based on the air compression station flow supply and demand gap, an improved Shapley value method is adopted to distribute game benefits, a Q-learning strategy updating mechanism is combined to realize dynamic game parameter adaptive adjustment, and a gas production distribution scheme of multiple units is optimized, so that the method can reduce pressure drop calculation errors, improve supply and demand gap prediction accuracy, solve the problem of large matching errors of a traditional method, and improve the air compression station flow supply and demand gap prediction efficiency. And the comprehensive energy consumption of the air compression station is high.

The invention relates to a method for regulating and controlling porous carbon for capacitive desalination by utilizing negative pressure pulse flow. The method specifically comprises the following steps: placing the porous carbon in a heating furnace, continuously contacting the porous carbon with airflow at a high temperature, rapidly reducing the absolute static pressure of the gas in the furnace to be less than or equal to 85kPa every 8-100min during the contact period, then restoring to be close to the initial static pressure to form negative-pressure pulse airflow, and intermittently introducing the pulse airflow in this way until the appropriate contact time is reached. According to the invention, the specific surface area, the total pore volume and the capacitance desalination amount of the pore-containing carbon can be improved without increasing energy consumption; compared with constant-pressure airflow modified porous carbon, the reaction temperature, the reaction time or the gas consumption can be reduced under the condition of reaching the same carbon index.

The utility model relates to the technical field of coke oven heating, in particular to a coke oven gas heating single-hole combustion chamber temperature adjusting system which comprises adjusting units, one end of each adjusting unit is connected with a heating gas main pipe, and the other end of each adjusting unit is connected with a corresponding combustion chamber. The utility model has the advantages that the regulating unit is connected with the combustion chamber gas heating pipeline in parallel, so that the regulating valves are additionally arranged on the two sides of the pore plate box while the original function of the pore plate box is reserved, and the temperature regulating effect is improved; the function of an original pore plate box is reserved, when the opening of the adjusting valve is too large or too small and cannot be adjusted, an operator can change the opening of the adjusting valve by changing the pore plate in the pore plate box, and operation is easy and easy to achieve; the number of the regulating valves of the regulating unit of each coke oven is large, and the regulating valves are arranged on the small-size pipeline connected with the gas main pipe in parallel, so that the caliber of each regulating valve is greatly reduced; the size of the regulating valve is reduced, so that the gas consumption of each regulating valve is reduced, and the energy consumption is greatly reduced.

The invention relates to the technical field of PID control, in particular to an intelligent solar saving control method and device based on PID. The method comprises the following steps that a welding current-target flow velocity relation model is loaded, and PID parameters are initialized; then welding current is collected in real time, and the corresponding target flow velocity is calculated; comparing the target flow velocity with the actual flow velocity to obtain an error signal, and generating a control output quantity through PID control; then the control quantity is converted into an opening adjusting signal of the electric control proportional valve, and dynamic adjustment of the flow rate of the protective gas is achieved; and finally, current input, target generation, error calculation and valve regulation are executed circularly, and real-time closed-loop gas saving control in the welding process is achieved. Fine real-time intelligent control over the protective gas is achieved through welding working condition recognition, target flow velocity modeling and PID closed-loop self-adaptive regulation and control, the welding stability and the welding seam quality are improved, gas consumption is remarkably reduced, and the responsiveness and reliability of device operation are improved.

The invention relates to a low-fiber-falling air-jet vortex spinning yarn guiding cone and a nozzle device. The yarn guiding cone comprises a first circular truncated cone section, a second circular truncated cone section, a first cylindrical section and a second cylindrical section which are sequentially connected from upstream to downstream and are coaxially arranged; a first cylindrical hole, a second cylindrical hole, a first circular-truncated-cone-shaped hole, a second circular-truncated-cone-shaped hole and a third cylindrical hole which are communicated and coaxially arranged are sequentially formed in the yarn guiding cone from upstream to downstream, and one or more annular grooves are formed in the wall face, close to an inlet, of the first cylindrical hole. According to the yarn guiding cone, one or more annular grooves are formed in the wall face, close to the inlet, of the first cylindrical hole, so that the fiber falling amount in the spinning process is reduced under the condition that the air consumption of equipment is not increased, and particularly, fiber raw materials can be more sufficiently and efficiently utilized when fibers with poor length uniformity are spun; and fiber loss and raw material waste are reduced.

The invention belongs to the field of energy conservation and consumption reduction of a gas boiler heat supply gas turbine power plant. The current gas-fired boiler adopts thermal deoxidization to control water supply and oxygen dissolution, water is supplied to a deaerator from an outlet of a secondary energy saver, the smoke exhaust temperature is about 60 DEG C, and waste heat is not fully utilized. Therefore, a novel pipeline system is constructed, a traditional heat exchange process is subverted, and exhaust smoke waste heat is utilized to the maximum extent through multiple heat exchange. The system comprises two sets of schemes adaptive to different operation states, and the schemes can be flexibly switched. When the gas-fired boiler runs, water supplied from an outlet of the secondary energy saver is led to the double-tube heat exchanger of the pressure regulating station, and returns to the primary energy saver after heat exchange to replace a water bath furnace to heat natural gas, so that the heating effect is guaranteed, gas is saved, and the water temperature of an inlet of the primary energy saver is reduced. When the gas turbine runs, one path of feed water is led to the double-tube heat exchanger from the low-pressure feed water secondary heater, and the feed water returns to the condenser after heat exchange, so that the gas consumption of the water bath furnace in low-temperature climate is saved, and more smoke exhaust waste heat is utilized in other climate. The two modes both can reduce the exhaust gas temperature, and are efficient in utilization, energy-saving, emission-reducing, green and environment-friendly.

A tank of a gas supply system is configured to be detachably attached to a gas consumption device. A control device is configured to, when the tank is detached, close an open / close valve to stop supply of gas from the tank, stop consumption of gas by the gas consumption device after the gas in the supply channel is consumed, and perform computation to permit detachment of the tank after confirming that pressure acquired from a pressure sensor is not rising to a predetermined level or higher.

The application relates to a full-automatic zero-gas consumption drain valve and relates to the technical field of drain valves, which comprises a support, the inside of the support is fixedly connected with a glass fiber pipe, the inside of the support is fixedly connected with an aluminum square pipe, the outside of the aluminum square pipe is provided with a drainage mechanism, the inner wall of the support is provided with a connecting mechanism, one side of the inside of the support is fixedly connected with a water inlet block, one side of the outside of the support is provided with a centrifugal separation mechanism, the drainage mechanism comprises a limiting bolt, the outside of the limiting bolt is threadedly connected at the top of the aluminum square pipe, and the outside of the limiting bolt is fixedly connected with a floating ball plate. The application realizes efficient separation and automatic drainage by automatically controlling the opening and closing of a drainage channel according to the condensate liquid level through the linkage mechanism of the floating ball plate and a valve ball, does not need an additional gas source for driving, reduces operation cost, and improves stability and reliability.

The utility model relates to an automatic flue gas removing abdominal machine, which is characterized in that a main body is a pneumoperitoneum machine for establishing and maintaining pneumoperitoneum; the pneumoperitoneum machine comprises an air inlet channel, and the two ends of the air inlet channel are connected with an air source and an abdominal cavity respectively. One end of the exhaust channel is communicated with the abdominal cavity, and a smoke removal pump and an electromagnetic valve are sequentially arranged in the airflow flowing direction; the micro-control unit is provided with a digital communication interface used for being connected with an endoscope camera system; wherein a branch pipe communicated with the exhaust passage is arranged at the air inlet end of the smoke removal pump, the other end of the branch pipe is communicated with the exhaust passage at the air outlet end of the smoke removal pump, and a speed regulating proportional valve is arranged on the branch pipe; and the micro-control unit is connected with the speed regulation proportional valve, the smoke removal pump and the electromagnetic valve. The smoke exhaust device has the advantages that the smoke exhaust device can adjust the size of smoke, adjust the gas displacement, ensure that the smoke is removed to the maximum extent with the minimum gas consumption, reduce the consumption of carbon dioxide gas and reduce the consumption cost of medical consumables.

The invention discloses a gas-steam combined cycle system with bypass waste heat recovery and a control method thereof. The gas-steam combined cycle system comprises a gas turbine, a waste heat boiler, a steam turbine (comprising a high-pressure cylinder, an intermediate-pressure cylinder and a low-pressure cylinder) and a condenser, and is additionally provided with a bypass waste heat recovery device. The device is formed by sequentially connecting a low-pressure bypass cooler, a medium-pressure bypass cooler, an ejector, a gas-liquid separator, a gas compressor and a waste heat recovery heat exchanger, the heat absorption sides of the coolers are connected in parallel and then communicated with an inlet of the ejector, and a gas-phase working medium separated by the gas-liquid separator is pressurized by the gas compressor and then enters the waste heat recovery heat exchanger to release heat; the liquid-phase working medium returns to the cooler to form circulation, and the waste heat recovery heat exchanger and the energy accumulator are coupled to store heat. The bypass steam heat is efficiently recovered and stored in the energy accumulator in the start-stop stage of the unit, so that the gas consumption of the unit is remarkably reduced, and the comprehensive utilization efficiency of energy is improved.

The present application relates to gas hydrate formation and carbon dioxide capture and storage technology field, specifically relates to a kind of hydrate formation accelerant and its preparation method and application, the hydrate formation accelerant is composed of water and L-methionine modified multi-walled carbon nanotube dispersed in water, by washing and drying after acid treatment multi-walled carbon nanotube, add L-methionine, sufficient ultrasonic oscillation, room temperature is fully stirred and adsorbed, again purification and drying, obtain L-methionine modified multi-walled carbon nanotube, again it is dispersed in water, and is configured into.In the application of carbon dioxide hydrate synthesis, using the hydrate formation accelerant, improve hydrate gas consumption while significantly improving hydrate initial formation rate, significantly shorten the overall time of hydrate formation, realize the efficient capture and storage of carbon dioxide, provide broad prospects for the practical application of hydrate technology capture, store carbon dioxide.

The invention relates to the technical field of fly ash conveying, in particular to a fly ash conveying method and system.The method comprises the following steps of a feeding stage; firstly, a balance pressure equalizing valve is opened to equalize the pressure of a bin pump, then a bin pump feeding valve is opened to start feeding, and after feeding is finished, the balance pressure equalizing valve and the bin pump feeding valve are closed; a conveying stage; after the pressure of the nitrogen source reaches a certain threshold value, a bin pump discharging valve is opened, then a bin pump air inlet assembly and an ash conveying blowing assisting valve are opened, the conveying process is carried out, the working state that fluidization and heterogeneous conveying are carried out at the same time is formed, and ash conveying is achieved; a purging stage; and after the materials in the bin pump are conveyed, the nitrogen is continuously introduced for a certain time. The dense-phase pneumatic ash conveying mode of the bin pump is adopted, fly ash and nitrogen are conveyed while being fluidized according to a certain gas-solid ratio, the conveying pipe diameter is small, the speed in the pipe is low, the conveying amount is large, the conveying distance is long, the gas consumption is small, and the abrasion loss of the ash conveying pipeline and the elbow is small.

The invention relates to the technical field of high-thermal-efficiency cooking ranges, and discloses a high-thermal-efficiency cooking range based on infrared monitoring intelligent adjustment, the high-thermal-efficiency cooking range comprises a hardware part, a software part and a cooking bench part, the hardware part comprises a high-speed proportional valve, an infrared probe and a fan; the software part comprises an infrared temperature field detection module used for acquiring a temperature signal of gas in the cooking bench part in the combustion process through an infrared probe; the sine wave gas control module is used for sending sine wave signals to the high-speed proportional valve, and then the gas flow is modulated into sine waves through the high-speed proportional valve. Through cooperative control of gas flow modulation through sine waves and dynamic monitoring of an infrared temperature field, gas and air are mixed more sufficiently, and heat loss caused by incomplete combustion is effectively reduced. Compared with a traditional fixed flow gas supply mode, the system has the advantages that the combustion efficiency can be improved to a higher level, the cooking time is remarkably shortened, and the gas consumption is reduced.

This utility model discloses a conveyor belt packaging purging device, including an air tank, a pulse valve, a photoelectric switch, a purging pipeline, and a manual ball valve. The air tank is fixed to the side of the conveyor belt frame, and its outlet is connected to the pulse valve and the manual ball valve in sequence via flanges. The purging pipeline consists of two parallel annular sections mounted above the conveyor belt inlet, allowing for purging of both the top and bottom surfaces of the packaging. Its inlet end is connected to the outlet of the manual ball valve, and a directional, inclined nozzle array is welded to the bottom of the pipeline. The photoelectric switch is mounted 1m upstream of the starting end of the purging pipeline via an adjustable bracket, and its signal line is connected to the control end of the pulse valve. This utility model uses the air tank to stabilize and store compressed air, and in conjunction with the instantaneous opening of the pulse valve triggered by the photoelectric switch, ensures that the airflow is directionally sprayed only when the packaging passes through. This working mode reduces air consumption to one-third of that used for continuous purging, improving energy efficiency and avoiding interference from ineffective airflow on the conveyor belt environment.

The utility model relates to a wide-range adjustable large-flow precision atomizing spray gun, including nozzle, spray gun, liquid cap and inner tube, the nozzle is installed on the nozzle base of spray gun front end, the nozzle tail end is with nozzle liquid inlet thread connection, the nozzle liquid inlet is welded in the inner tube front end, the inner tube tail end passes through the spray gun seal cover, the spray gun is fixed with nozzle base, three -way pipe, spray gun seal cover welding respectively, the inner tube tail end is connected with liquid flow sensor and spray gun liquid inlet through screw thread, three -way pipe gas inlet end welds have air flow sensor and spray gun gas inlet, the inside of nozzle is equipped with liquid cap, and the detachable three prism and spout inlay are assembled in liquid cap, and the nozzle realizes the wide-range regulation of liquid flow through three prism and spout inlay, the utility model can provide higher liquid supply flow under the condition of high pressure liquid supply and relatively low gas consumption and guarantee superfine spray mist droplet particle, make atomizing spray gun satisfy high-precision product demand and industrialization mass production scale on spray drying.

The present invention relates to the technical field of vaporizers. Provided is a vaporizer for chemical vapor deposition, comprising: an atomizer configured to break a liquid into liquid droplets; a heating container, wherein a container wall of the heating container is configured to form a first heat exchange surface, a filter is provided inside the heating container, atomized liquid droplets enter the heating container, the filter is configured to intercept the liquid droplets or other particles, and the first heat exchange surface heats a gas in the heating container so that the gas exchanges heat with the liquid droplets to vaporize the liquid droplets; and a reaction chamber, wherein vaporized liquid droplets enter the reaction chamber for a chemical vapor deposition reaction. The present invention has the advantages of stability, precise flow control, complete vaporization, low possibility of thermal decomposition, precise control of low flow rates, high vapor content, maintenance-free operation, low carrier gas consumption, fast response speed, small size, high level of integration, etc.

According to the fusion control method, device and equipment for the hearth temperature of the sintering ignition furnace, by fusing the characteristic matrix of multi-source parameters, a hearth temperature prediction model can more comprehensively and accurately sense changes of the production process, accurate prediction of the hearth temperature is achieved, and therefore passive response is changed into active look-ahead control; through a data-driven hearth temperature prediction model dominant and physical static heat balance model verification bottom-filling hybrid architecture, the advantage of processing complex nonlinearity of the hearth temperature prediction model is played, the rationality and safety of control are ensured by using a physical model, the severe change of a working condition can be effectively handled, and the service life of the system is prolonged. The control instruction is prevented from violating a basic physical rule; by means of feedforward-feedback fusion control, stable and accurate adjustment of the temperature of the hearth is achieved, over-burning and under-burning are avoided through accurate temperature control, the quality of sintered ore is stabilized and improved, meanwhile, gas consumption is effectively reduced, and the requirement for green intelligent manufacturing is met.

The invention discloses an electric furnace bottom blowing brick with a composite structure. The seat brick, the air brick and the Venturi gas distributor are sequentially arranged from bottom to top; a hollow channel communicated with the seating brick and the Venturi gas distributor is arranged in the air brick; wherein the air brick is a nano grain boundary reinforced magnesium aluminate spinel air brick and contains 5-8% of nano ZrO2 particles (the particle size is smaller than or equal to 50 nm), the porosity is 18-22%, and the average pore size is 25-45 microns; the seating brick is a gradient corundum-mullite seating brick, the inner layer of the seating brick comprises 90% of Al2O3, 8% of mullite and 2% of SiO2, the outer layer of the seating brick comprises 75% of Al2O3, 20% of mullite and 5% of an expanding agent, and the inner wall of the seating brick is provided with a honeycomb hexagonal groove array with the depth of 3-5 mm. By adopting the nano ZrO2 reinforced magnesium aluminate spinel material, the air brick can resist the temperature of more than or equal to 1600 DEG C, has the porosity of 18-22%, has both air permeability and erosion resistance, and prolongs the service life. When the gas flow fluctuation is larger than 5%, the flow velocity is automatically compensated to a set value + / -3% through the Venturi effect; the gas consumption is reduced.

This invention relates to the field of burner technology, specifically a burner for a gas-fired wall-hung boiler, comprising a rear mounting bracket and a venturi tube mounted on its front side. The front side of the venturi tube is connected to the front mounting bracket, and a temporary storage frame is fixed to the front side of the front mounting bracket. A burner head of the venturi tube is mounted above the venturi tube. In this burner, when the rotating rod drives the convex column to rotate, the convex column intermittently applies a downward thrust to the convex block. This causes the convex block to drive the piston assembly to intermittently reciprocate within the gas storage pipe. Therefore, the piston assembly reciprocates to draw gas and air from the main pipe into the gas storage pipe and then discharges the gas and air from the gas storage pipe. This repeated operation allows for thorough pre-mixing of the pre-mixed gas and air, improving the completeness of subsequent combustion, reducing exhaust emissions, and lowering gas consumption, thus achieving excellent energy-saving and gas-saving effects.

The invention discloses a low-gas-consumption vacuum breaking end effector of a reused vacuum pump and a vacuum breaking method, and belongs to the field of logistics automation. The problems that an existing actuator depends on an additional positive pressure air source, energy consumption is high, the structure is redundant, and old equipment transformation compatibility is poor are solved. The actuator comprises a suction cup connecting plate, a vacuum adsorption assembly, a mechanical arm connecting structure, a vacuum pump, a first stop valve, a second stop valve, an air distribution block and the like, the gas distribution block is provided with a main gas inlet and an independent gas outlet, the tail gas pipeline is connected with the second stop valve and the gas distribution block, and the three-way gas path connector is communicated with the gas distribution block. According to the vacuum breaking method, gas paths are switched through the stop valves, vacuumizing is conducted in the adsorption stage, the vacuum pump is reused as a channel in the release stage, and atmosphere is subjected to vacuum breaking through a short path. The device is low in gas consumption, high in vacuum pump utilization rate, simple in structure, adaptive to upgrading of old equipment, capable of meeting the high-speed sorting requirement and high in practical value.

The invention relates to the technical field of preparation of ECH with hydrogen peroxide, in particular to a gas-liquid separation unit oxygen content control method and system for preparing ECH with hydrogen peroxide, and the gas-liquid separation unit oxygen content control method for preparing ECH with hydrogen peroxide comprises the following steps: obtaining the reaction duration of a catalyst and the annual output of an ECH system; and according to the reaction duration of the catalyst and the annual output of the ECH system, the purging rate of the shielding gas in the gas-liquid separation unit is controlled. When the method for controlling the oxygen content of the gas-liquid separation unit for preparing the ECH by the hydrogen peroxide process is applied, the feeding rate of the shielding gas can be adjusted according to the activity change of the catalyst in different stages in practical application, so that an optimal shielding gas feeding scheme is obtained on the basis of ensuring the safe and stable operation of the system; therefore, the explosion risk of the gas-liquid separation unit is eliminated with the lowest shielding gas consumption, and the production cost is effectively reduced.

The invention belongs to the technical field of thick oil gathering and transportation, and discloses a thick oil watered gathering and transportation optimization method, system and device based on analogue simulation, and the method comprises the steps: collecting pipe network and equipment parameters of a gathering and transportation system, and testing the physical properties of produced liquid, watered water quality and the viscosity-temperature relationship of a mixture of thick oil and water; obtaining a plurality of feasible watering working conditions based on the minimum watering amount; and the watering parameters of the feasible watering working conditions are adjusted, and the watering working condition with the minimum energy consumption is obtained. The method comprehensively considers the characteristics of gas consumption increase and power consumption reduction of the system due to the fact that the watering amount of the system is reduced along with the rising of the watering temperature in the watering and oil gathering system, and combines the operation rule analysis of the field thick oil watering gathering and transportation process and the energy consumption characteristics of the oil gathering system. The optimal watering temperature and the optimal watering amount under different produced liquid conditions can be effectively obtained, and the method has a very good effect on determining the optimal watering temperature and the optimal watering amount for watering conveying of thick oil with different viscosities.

The application discloses a kind of pneumatic high-pressure valves, including and parallelly arranged valve body assembly and cylinder assembly;The valve body assembly includes valve body piece, valve cage piece, pneumatic valve shaft, the valve cage piece is arranged between valve body piece and cylinder assembly;And the pneumatic valve shaft is connected to cylinder assembly by passing through valve body piece and valve cage piece respectively, and is provided with gas port on the two sides of the valve body piece respectively, and one gas port is communicated to valve cage piece, and the pneumatic valve shaft is provided with the plug matched with valve cage piece.The application greatly reduces the parts required for valve by adopting valve cage design, reduces the volume of valve, reduces manufacturing cost, and uses balanced valve core to ensure reliable use in high-pressure environment, reduces instrument gas consumption and pressure.

The utility model belongs to the technical field of steam boxes, and particularly relates to a single-door gas steam box steam uniform distribution device which comprises a gas steam box body, a steam heating cavity is formed in the gas steam box body, a box opening communicated with the steam heating cavity is formed in the front side of the gas steam box body, and a box door is installed on the front side of the gas steam box body. A main frame is fixedly connected to the interior of the steam heating cavity, the two sides of the interior of the main frame are each fixedly connected with a row of positioning strips, the two rows of positioning strips are in one-to-one correspondence to form a group, a steam generator is installed in the gas steam box body, and the steam generator communicates with two steam discharging groups through hoses; the two steam discharging sets are located on the two sides of the main frame correspondingly, each steam discharging set comprises a plurality of nozzle mounting plates mounted in the steam heating cavity, and a plurality of steam nozzles are fixedly connected to the nozzle mounting plates. According to the utility model, steam can be concentrated to uniformly heat food, so that the waste of heat energy is reduced, and the gas consumption is reduced.

The utility model provides a kind of furnace combustion system, belong to furnace technical field, including furnace shell;Heat preservation structure, it is set in furnace shell interior, and the heat preservation structure is attached with the inside wall of furnace shell;Firebrick, it is set in the inside of heat preservation structure;Burner, burner is equipped with at least four, four burner diagonal setting in furnace, to make flame evenly distribute in hearth;The utility model distributes more evenly by adjusting the arrangement of burner, heat transfer is more efficient, effectively improve the uniformity of zinc pot heating, and then improve product quality, reduce energy waste.Through the heat preservation structure of additional, and improve existing firebrick structure, substantially improve the heat preservation effect of furnace, reduce energy loss, and reduce the security risk;Tonnage energy consumption of natural gas is reduced from 27 cubic meters / ton output to 23 cubic meters / ton output.

The invention belongs to the technical field of permanent magnet materials, and relates to a preparation method of a high-strength and high-toughness samarium-cobalt permanent magnet, which comprises the following steps: burdening, smelting, pulverizing, orientation forming, cold isostatic pressing, sintering, solid solution and aging treatment. The aging treatment comprises the following steps: under the protection of inert gas, carrying out primary heat treatment at 780-880 DEG C for 500-1500 minutes, then closing the inert gas, cooling to 200-500 DEG C, carrying out secondary aging treatment, carrying out heat preservation for 30-600 minutes, applying an external magnetic field, and finally cooling to room temperature. According to the method, an external magnetic field is added during secondary aging, gas protection is cancelled, the gas cost is reduced, and meanwhile, the mechanical property of the samarium-cobalt magnet is greatly improved under the condition that it is guaranteed that the magnetic property is basically unchanged.

The invention discloses an automatic control method for kiln firing, and belongs to the technical field of kiln firing control. The method comprises the steps of system initialization configuration, real-time parameter acquisition, process parameter collaborative matching, abnormity judgment, emergency regulation and control and program termination and drawing preparation, and a process synchronization adaptation step and a data iteration optimization mechanism can be additionally arranged. The core lies in that a priority regulation and control rule is determined based on a multi-parameter correlation model to realize collaborative matching, a technological process is dynamically adapted by inverting the oxidation-reduction reaction rate of the porcelain part, and regulation and control parameters are iteratively updated by utilizing historical data. The problems of parameter regulation imbalance, stage switching machinery, poor adaptability and the like in the prior art are solved, the quality consistency and the reaction completeness of porcelain pieces can be improved, the stable operation period of equipment is prolonged, the production continuity and flexibility are improved, the labor cost and the gas consumption are reduced, and the firing requirements of high-precision porcelain pieces such as power distribution porcelain insulators are met.