84results about How to "Low gas consumption" patented technology

The invention relates to the technical field of medical oxygen generators, and discloses an efficient and energy-saving PSA oxygen generator which comprises an adsorption tank, a gas inlet pipeline, a nitrogen discharge pipeline, an I-shaped balance pipeline, a first purging pipeline, a second purging pipeline, an oxygen outlet pipeline, a purity measurement pipeline, a qualified gas pipeline, an unqualified gas pipeline and an emptying pipeline, a throttling element is arranged on each of an inlet pipeline and an outlet pipeline of the adsorption tank and used for controlling the flow of gas when the adsorption tank is balanced, impact of high-speed gas on a molecular sieve is avoided, oxygen-enriched air can stay at the top of the adsorption tank in various balance modes, and desorbed low-concentration oxygen is adsorbed again to obtain the oxygen-enriched air. And the oxygen recovery rate is improved, so that the air consumption is reduced, the required power of an air compressor is reduced, and the energy consumption required by oxygen production is reduced.

The invention provides a membrane separation oxygen production device capable of simultaneously producing medical oxygen and oxygen-enriched air, the device comprises a common oxygen production main machine, a membrane separation purification system and a pure oxygen production main machine, when the common oxygen production main machine needs to be purged, oxygen-enriched nitrogen, high-concentration oxygen-enriched air and waste gas can be utilized to purge an adsorption tower. The system has the advantages that the oxygen concentration can be automatically switched according to the requirements of a hospital, and medical oxygen and oxygen-enriched air are provided for the hospital at the same time or are independently provided for any one of the medical oxygen and the oxygen-enriched air; the membrane separation oxygen production technology is adopted, high-concentration waste gas generated during membrane separation medical oxygen production is used in the production process of oxygen-enriched air, the air-oxygen ratio is optimized, and the gas consumption is lower compared with a medical oxygen production system on the market; the waste gas exhausted from the direct current side in the medical oxygen generation process is rich in oxygen which is still contained in gas mainly containing argon and nitrogen and still contains high-concentration oxygen, the oxygen is used for producing oxygen-enriched air, the production efficiency is improved, the air amount needed by a product is reduced, and the effect of reducing energy consumption is achieved.

The invention relates to a gas adsorption separation device, in particular to a zeolite rotating wheel adsorption device for a laboratory. The zeolite rotating wheel adsorption device for the laboratory is used for improving the adsorption efficiency and the cooling effect of a zeolite rotating wheel, improving the action efficiency of a cooling mechanism and saving cooling gas, and has good economic benefits. According to the technical scheme, the zeolite rotating wheel adsorption device for the laboratory comprises a rotating wheel base body used for adsorbing organic matters in waste gas; the driving mechanism is used for driving the rotating wheel base body to rotate around the horizontal axis; the regeneration mechanism is used for inputting hot air through a hot air input pipeline to increase the temperature of the rotating wheel base body so as to desorb the organic matters adsorbed on the rotating wheel base body; the device is characterized by further comprising a cooling mechanism which is arranged at the bottom of the rotating wheel base body and used for cooling the cooling liquid in the rotating wheel base body through heat conduction.

The invention belongs to the technical field of polyester production, and relates to a production method of polyester FDYs (fully drawn yarns), which comprises the following steps of: interlacing tows between a second hot box and a winding roller by using an interlacing device in a spinning process, and applying friction force to the tows between the second hot box and the interlacing device by using a tensioning yarn guide rod so as to counteract part of tension borne by the tows; and thus, the network pressure during network addition is reduced. On the premise that the product quality is guaranteed, the network air pressure and the air consumption in the production process of the polyester FDY are reduced during network adding.

The invention discloses an ignition process of a stainless steel hot continuous annealing furnace. The ignition process comprises the following steps: (1) preparing equipment, namely respectively arranging needle type gas flow regulating valves controlled by an annealing furnace control system on gas pipelines corresponding to burners in eight heating areas of an open fire heating area of the annealing furnace; (2) ignition control: (2.1) in the primary ignition process of the annealing furnace, the air amount and the gas amount of each burner in eight heating areas of an open fire heating area of the annealing furnace during ignition are given according to a formula; and (2.2) after the annealing furnace is successfully ignited for the first time, in the operation process of the annealing furnace, the air amount and the gas amount are given according to the maximum amount when all the burners in the eight heating areas of the open fire heating area of the annealing furnace are ignited again after flameout. The ignition device has the advantage of high ignition success rate.

The utility model belongs to the technical field of compressed air preparation, and particularly relates to a compressed air supply system, which is characterized by comprising a screw air compressor, an efficient degreaser, a refrigerated dryer, a micro-heat regeneration air dryer and a fine dust filter, an outlet of the screw air compressor is connected with a compressed air tank for desulfurization and production, an outlet of the freezing dryer is respectively connected with a micro-heat regeneration air dryer and a compressed air tank for dust removal, and an outlet of the micro-heat regeneration air dryer is sequentially connected with a fine dust filter and a purified compressed air tank for an instrument. Compared with the prior art, the system has the beneficial effects that corresponding process routes are formulated according to the quality requirements of different types of compressed air, energy is utilized in a gradient manner, and good economic benefits and social benefits are created.

The invention relates to a main-trailer coordination type energy recovery control method and system, and the method comprises the following steps: main vehicle and trailer signal collection: respectively collecting a main vehicle signal and a trailer signal; the collected main vehicle signals and trailer signals are input to an HCU main vehicle controller through a CAN bus; energy recovery required torque of the main vehicle and the trailer is calculated through an HCU main vehicle controller; the HCU main vehicle controller carries out torque arbitration on the calculated main vehicle and trailer energy recovery torque, and then braking energy recovery is carried out through a torque arbitration result; the main vehicle and the trailer are cooperatively considered, and the braking energy of the trailer is considered in the energy recovery process, so that the energy recovery level is improved, the energy-saving level is improved, and the endurance mileage is increased; and the consistent braking strength of the main vehicle and the trailer is taken as a target, so that the'vehicle pushing 'phenomenon in the braking process is avoided, and the potential safety hazard in the braking process is eliminated.

The present invention relates to a combined steam generating device with a preheating water tank, comprising a softening water processor, a normal pressure heating water system and a steam production system which are sequentially connected in series through pipelines; the steam production system comprises a steam boiler, a variable frequency water supply pump, a check valve and a preheating water inlet pipeline; the normal pressure heating water system comprises a preheating electromagnetic boiler, a preheating water tank, a circulating water pump, an electromagnetic valve and a cold water pipeline; the outlet of the softening water processor is connected to the upper part of the preheating water tank through the cold water pipeline; during operation, incoming water is input into the preheating water tank; at night, the preheating electromagnetic boiler is turned on, and the circulating water pump circulates the water in the preheating water tank into the preheating electromagnetic boiler for heating; during daytime, the burner of the gas steam boiler is turned on, and the flue gas further heats the hot water in the waste heat recovery device, and the hot water enters the gas steam boiler to generate steam.

The utility model discloses a layered and opposite type sinking burner for ladle roasting, including gas pipeline, primary air casing, secondary air casing and tertiary air casing, the upper end of gas pipeline is used for with gas supply pipeline intercommunication and the lower end opening forms gas spout, the gap between primary air casing and gas pipeline forms primary air channel, the gap between secondary air casing and primary air casing forms secondary air channel, the gap between tertiary air casing and secondary air casing forms tertiary air channel, and primary air channel, secondary air channel and tertiary air channel are all used for with preheating combustion air pipeline intercommunication, and the lower end opening of primary air casing forms primary air spout, and the lower end opening of secondary air casing forms secondary air spout, and the lateral wall of tertiary air casing is equipped with a plurality of tertiary air spout. Can guarantee the full mixing of gas and combustion air, and can make full use of the heat of high temperature flue gas, and can carry out effective afterburning treatment to the unburnt component remaining in high temperature flue gas.

The utility model discloses a detachable aeration device, including the air intake main pipe of setting in the activated sludge pool upper end, the branch pipe of vertical setting in the air intake main pipe below, the aeration pipe of setting in the branch pipe lower extreme, be equipped with the aeration micropore on the aeration pipe. Can solve the problem of the micropore on the existing aeration device easy to block and not easy to replace and clean after blocking.

The utility model discloses a condom conveying mechanism of a condom electric inspection machine, which is characterized by comprising a material hanging conveying belt (4) and a material supporting conveying belt (2) which are in transmission in the same direction during working, the material hanging conveying belt (4) and the material supporting conveying belt (2) are arranged adjacently and close to each other, and the material hanging conveying belt (4) and the material supporting conveying belt (2) receive condoms conveyed by a feeding device at a feeding station. The condoms are jointly supported by the hanging conveying belt (4) and the supporting conveying belt (2) to be conveyed, when the hanging conveying belt (4) leaves the supporting conveying belt (2), the condoms with deviated gravity centers fall off from the hanging conveying belt (4), the other condoms are hung on the hanging conveying belt (4) to be continuously conveyed, and the hanging conveying belt (4) is a narrow belt. The automatic screening and directional conveying device is simple in structure and reasonable in design, automatic screening and directional conveying of condoms can be achieved, and stability and reliability of condom conveying are guaranteed.

The invention relates to the technical field of spaceflight, in particular to a low-temperature liquid rocket engine inner cavity self-suction type damp-proof and waterproof device. The low-temperature liquid rocket engine inner cavity self-suction type damp-proof and waterproof device comprises a self-suction cavity, an opening communicated with an inner cavity of the self-suction cavity is formed in one end of the self-suction cavity, a one-way water permeable diaphragm is installed in the opening in a sealed mode, and the self-suction cavity is filled with water absorption materials. The device has the advantages that the structural design is simple and reasonable, the dew point value of the inner cavity of the engine can be effectively controlled, the defects that in the preparation process of the engine in the prior art, the blow-off replacement time of the engine is long, and the gas consumption is large are overcome, the test requirement can be met only by conducting simple blow-off replacement on the engine before the test is conducted, and the test efficiency is improved. And after use, the blow-off replacement can be completed within a short time, so that the blow-off replacement time and the gas consumption of the engine are greatly shortened, and the test cost can be indirectly reduced.

The utility model discloses a distributed reversing blowback system. Comprising unit heat storage boxes, gas pipelines, air pipelines and reversing valves, the unit heat storage boxes are evenly and symmetrically arranged on the two sides of a heating furnace, each unit heat storage box is connected with the corresponding gas pipeline and the corresponding air pipeline, and the corresponding reversing valves are arranged on the gas pipelines and the air pipelines respectively; each unit heat storage box comprises a coal gas heat storage box and an air heat storage box, the coal gas heat storage boxes and the air heat storage boxes are arranged on the heating furnace in an up-down mode, and combustion of the unit heat storage boxes does not interfere with each other; the coal gas pipeline is connected with the coal gas heat storage box through a corresponding reversing valve, the air pipeline is connected with the air heat storage box through a corresponding reversing valve, the coal gas pipeline comprises a reverse blowing pipeline, and the reverse blowing pipeline is connected with the corresponding reversing valve; each unit heat storage box and the corresponding unit heat storage box on the other side of the heating furnace form a set of unit heat storage boxes, and the reversing valves corresponding to each set of unit heat storage boxes work in a linkage mode. The coal gas heat storage box and the air heat storage box in the unit heat storage box are arranged in an up-down mode, the first reversing valve and the second reversing valve corresponding to each group of unit heat storage box are respectively linked to execute reversing action, and each group of unit heat storage box forms an independent heat supply control section, so that when blowback and reversing are carried out, the heat supply efficiency is improved. Blowback and reversing can be carried out group by group, the gas consumption of a blowback pipeline is greatly reduced, the air pressure change in the heating furnace is small, and the stable furnace pressure is ensured.

The present invention discloses a nuclear power pneumatic auxiliary feedwater pump and a related system drain recovery device, including a pump body, a liquid level gauge assembly is installed on one side of the pump body, one side of the pump body is connected to the pump cover, an exhaust valve assembly and an air inlet valve assembly are respectively arranged on the upper part of the pump cover, the exhaust valve assembly is connected to the linkage mechanism assembly, the linkage mechanism assembly is connected to the lever mechanism assembly, the lever mechanism assembly is connected to the float assembly, a lower water outlet check valve is arranged on the outer side of the pump cover, a drain valve assembly is also arranged at the lower part of the pump cover, and an inlet check valve is connected in the middle of the pump cover. Its beneficial effects are: the continuous drain from the upstream can be intermittently recovered to the condenser through the pneumatic drain pump; in the intermittent stage of the drain pump draining, the downstream water seal can prevent the back suction caused by the negative pressure of the condenser.

The invention relates to an air-cooled microwave ablation device which comprises an ablation needle and a microwave ablation main machine. A cooling gas control unit is arranged in the microwave ablation host, an air inlet channel and an air outlet channel are arranged in the ablation needle, the air inlet channel is communicated with the air outlet end of the cooling gas control unit through an air inlet pipe, and the air outlet channel is communicated with the air inlet end of the cooling gas control unit through an air outlet pipe. The cooling gas control unit cools the gas medium, then the cooled gas medium is fed into the gas inlet channel in the ablation needle through the gas inlet pipe to be cooled, and the acted gas returns to the cooling gas control unit through the gas outlet channel to be cooled again. Oxidation caused by reaction of water and copper in an ablation needle structural part in a traditional water cooling structure is avoided, the situation of water leakage of a cooling system is eradicated, ablation equipment is effectively protected, disturbance to an energy field emitted by an ablation needle is avoided, and the gas consumption is reduced through a circulating backflow cooling mode.

The invention relates to a low-energy-consumption zone-control deicing system and a low-energy-consumption zone-control deicing method. Comprising a left / right wing compound distribution valve, an empennage compound distribution valve, a wing front edge deicing sleeve, an empennage front edge deicing sleeve and a controller, a plurality of sections of wing leading edge deicing sleeves are arranged on the leading edge of the left / right wing along the wingspan direction in a partitioned manner, and a plurality of sections of empennage leading edge deicing sleeves are arranged on two sides of the leading edge of the empennage along the wingspan direction in a partitioned manner; the air inlet ends of the left / right wing compound distribution valves are connected with engine air sources on the corresponding sides through deicing pipelines, and the one or more wing leading edge deicing sleeves are connected with the outlet ends of the compound distribution valves on the corresponding sides through the deicing pipelines; the air inlet end of the empennage compound distribution valve is connected with a left / right engine air source through a deicing pipeline, and one or more sections of empennage front edge deicing sleeves are connected with outlet ends of the empennage compound distribution valve through deicing pipelines; and the controller is in communication connection with the left / right wing compound distribution valve and the empennage compound distribution valve, opening and closing of outlet ends of the compound distribution valves are controlled according to a certain time sequence, segmented deicing is achieved, and the consumption demand caused by an engine is reduced. The air bag is driven to act mechanically in a form of extremely low power consumption, and'on-demand, accurate and instantaneous' release of deicing energy is realized.

This invention discloses an automatic anti-condensation purging system and method for ultrasonic / radar level gauges. The system includes an anti-vapor protection device and an automatic purging control air supply unit. The protection device is a double-sleeve structure fitted over the probe, forming an annular air duct, with a directional injection hole at its lower end. The control unit includes a solenoid valve and a pressure reducing valve controlled by a time relay. The method involves setting the purging cycle and duration, and the time relay periodically triggering the solenoid valve to open, allowing dry compressed air to be ejected at high speed through the injection hole in the annular air duct, directionally purging the antenna surface. After purging, the valve is closed, and the process is repeated. Preferably, an electric heating and temperature control system is installed inside the annular air duct. This invention achieves timed, directional, uniform, and low-energy purging of the level gauge antenna surface, effectively preventing water vapor condensation and dust adhesion, and significantly improving the measurement accuracy and operational reliability of the instrument in harsh environments.

The present invention discloses a cement kiln SCR denitration high-efficiency sootblowing system, comprising an air compressor, a pressure regulating tank and a filter arranged in sequence on a main pipeline, a vertical pipe arranged at the end of the main pipeline, a plurality of branch pipes arranged on the vertical pipe, a solenoid valve, a shock wave generator and a sootblowing head arranged in sequence on the branch pipe, a boost valve arranged on the pipeline between the air compressor and the pressure regulating tank, a one-way valve arranged on the pipeline between the pressure regulating tank and the filter, and the sootblowing system further comprising a controller, which controls the actions of the air compressor, the pressure regulating tank, the solenoid valve, the shock wave generator, the boost valve and the sootblowing head by operating on the controller. The sootblowing system provided by the present invention can effectively improve the sootblowing efficiency and sootblowing effect, and can effectively prolong the service life.

The invention relates to a fuel gas supply system and gearbox heat management system, a vehicle and a heat management method. The fuel gas supply system and gearbox heat management system comprises a fuel gas storage cylinder assembly, and the output end of the fuel gas storage cylinder assembly communicates with the inlet end of a three-way control valve; a gas pipe input end of the gas water bath vaporizer is communicated with a first outlet end of the three-way control valve; a gas pipe input end of the gas oil bath vaporizer is communicated with a second outlet end of the three-way control valve, and a gas pipe output end of the gas oil bath vaporizer is communicated with a gas pipe input end of the gas water bath vaporizer; and the fuel gas oil bath vaporizer is provided with a gearbox lubricating oil inlet and a gearbox lubricating oil outlet. The fuel gas oil bath vaporizer is added to exchange heat with lubricating oil of the gearbox, so that the gearbox can be ensured to obtain the cooling effect with the optimal performance in an overheating mode; and meanwhile, the gasification capacity of the fuel gas supply system is improved, and more stable gas rail pressure and gas supply temperature are provided for an engine.

The invention belongs to the field of membrane bioreactors, and particularly relates to a membrane bioreactor and a use method thereof. The membrane bioreactor comprises a curtain type membrane assembly, an intermittent aeration device arranged below the curtain type membrane assembly and a micro aeration device arranged below the intermittent aeration device, and the intermittent aeration device provides intermittent aeration for the curtain type membrane assembly; and the micro-aeration device is used for providing continuous aeration for the curtain type membrane component. Compared with a continuous aeration mode in the prior art, the method has the advantages that the energy consumption is comprehensively saved by about 50%, and the dissolved oxygen in the water body is reduced to be less than 1 / 2 of that in the prior art due to the fact that the gas supply amount in the MBR membrane bioreactor filtering process is reduced, so that the sludge refluxed to the front end of the biochemical process is more beneficial to the sewage treatment effect.

The utility model discloses a kind of feeding device and pallet paper separating feeding equipment, it includes pallet feeding station;Put paper separating station, located the X direction side of the pallet feeding station;Pallet unstacking mechanism, located the pallet feeding station;First conveying mechanism, from the bottom of the pallet unstacking mechanism in the pallet feeding station, and is conveyed to the put paper separating station;Second conveying mechanism, setting in the Y side of the put paper separating station;Paper separating feeding bin, setting in the put paper separating station side;Carrying mechanism, from the paper separating feeding bin suction paper is placed to the pallet of the put paper separating station, then carrying the pallet with paper together onto the second conveying mechanism.The utility model occupies small, feeding efficiency is high, and production cost is low.

The present invention provides a cigarette rejection device for a splicing drum of a cigarette making machine, which comprises an air blowing block, an electromagnetic valve, a controller, and an air supply device, wherein the air blowing block is provided with a first protrusion and a second protrusion opposite to each other; the first protrusion is provided with a first air blowing hole, and the second protrusion is provided with a second air blowing hole; the first air blowing hole and the second air blowing hole are connected to two air suction holes one by one; the air blowing block is provided with a connecting hole connecting the first air blowing hole and the second air blowing hole; one end of the electromagnetic valve is connected to the air supply device, and the other end of the electromagnetic valve is connected to a first pipeline and a second pipeline, and the first pipeline and the second pipeline are connected to the connecting hole respectively; a round block is provided in the second pipeline, and a vent hole coaxial with the second pipeline is provided on the round block; the controller is used to be electrically connected to the V-valve opening and closing control system of the cigarette making machine, and the electromagnetic valve is electrically connected to the controller. The present invention can better reject cigarettes at the splicing drum when the cigarette making machine is started and stopped.

The utility model relates to an SNCR (selective non-catalytic reduction) denitration high-kinetic-energy long-distance spraying and atomizing spray gun which comprises a spray gun pipe with the length not less than 1m, a spray gun nozzle is arranged at the front end of the spray gun pipe, the rear end of the spray gun pipe is connected with an atomizer, an atomizing cavity is arranged in the atomizer, the front end of the atomizing cavity is communicated with the rear end of the spray gun pipe, and the atomizing cavity is communicated with the spray gun pipe. The rear end of the atomizing cavity is communicated with the compressed air channel, and a liquid atomizing nozzle is arranged on the side wall of the atomizing cavity. According to the utility model, the liquid is efficiently atomized under the mutual shearing action of high-speed gas and low-speed liquid in the atomizing cavity, and then the atomized reducing agent is pushed and conveyed to a destination through high-pressure compressed air or steam, so that the effect of mixing the reducing agent and flue gas is achieved. The spray gun has the advantages of wide adjustment ratio, good atomization quality, low gas consumption, small change of an atomization taper angle along with working conditions and the like.

The utility model discloses a fixture positioning and clamping mechanism of a rhinestone grinding and polishing machine, which is characterized in that a single clamping cylinder is arranged at the top of a mounting seat, a piston rod of the clamping cylinder is connected with a lifting block, a first connecting shaft is arranged at one end of the lifting block, a second connecting shaft is arranged at the other end of the lifting block, and the first connecting shaft penetrates through a first strip-shaped groove at one end of a first swinging arm; the second connecting shaft penetrates through a second strip-shaped groove in one end of a second swing arm, the first swing arm is hinged to a first guide seat on the mounting seat, the other end of the first swing arm is hinged to a first transmission shaft, the first transmission shaft penetrates through a first guide groove in the mounting seat and is connected with a first clamping jaw, and the second swing arm is hinged to a second guide seat on the mounting seat. The other end of the second swing arm is hinged to a second transmission shaft, and the second transmission shaft penetrates through a second guide groove in the installation base and is connected with a second clamping jaw. According to the utility model, the number of the clamping cylinders can be reduced, the synchronism of the clamping action is ensured, and meanwhile, the rhinestone clamp can be kept horizontal after clamping.

The invention relates to an intelligent control gas engine pressurization system which comprises a cylinder cover, an engine gas inlet pipe, an exhaust manifold, a pressurization module, an intercooler, an intelligent control module and a pipeline. An engine air inlet pipe is installed on one side of the cylinder cover, and an exhaust manifold is installed on the other side of the cylinder cover. The pressurization module is arranged on the installation side of the exhaust manifold and communicates with the exhaust manifold through a pipeline. The air inlet side of the pressurization module communicates with the intercooler through a pipeline. The intercooler is communicated with an engine air inlet pipe through a pipeline; the intelligent control module is in electric signal coupling with an intelligent control assembly arranged on the pipeline through a signal line. The invention further relates to an intelligent control gas engine pressurization method using the intelligent control gas engine pressurization system. The air inlet efficiency is improved, the engine power is improved, and the gas consumption of the engine is reduced; surging of the supercharger is prevented; the control precision and the system response efficiency are improved, and the customer satisfaction is improved.

The invention discloses a gas mixer of an internal combustion engine, and relates to the technical field of gas mixers. According to the technical scheme, the device comprises a waste gas inlet channel, an air inlet channel, a flow guide channel and a mixed gas outlet channel; flow guide supporting wings are arranged in the flow guide channel, and the flow guide channel is divided into a plurality of flow guide branch channels which are arranged at intervals by the flow guide supporting wings; a first waste gas drainage channel communicated with the waste gas inlet channel is formed in the flow guide supporting wing, and a first waste gas outlet communicated with the first waste gas drainage channel is formed in the tail end of the flow guide supporting wing; the first waste gas outlet is located at the tail end of the flow guide channel. Waste gas flow and air-fuel mixed gas flow are mixed in a crossed surrounding mode, the mixing uniformity and the mixing speed can be improved, the waste gas circulation effect can be improved, the introduction resistance of waste gas can be reduced, the introduction amount of the waste gas can be increased, and therefore the higher power density of an engine is achieved, and comprehensive gas consumption is reduced.

The present invention relates to a buckle strapping machine head for packaging, comprising a buckle servo drive unit connected to a main housing unit, a servo conveying strap unit, a strap tensioning unit, a buckle hopper unit, a belt guide door unit and a buckle module unit; the buckle servo drive unit can drive the buckle module unit to engage the buckle through the buckle servo motor of the buckle servo drive unit, thereby strapping the strap; the servo conveying strap unit is connected to a planetary reducer by a servo motor to drive the conveying belt wheel of the conveying strap to rotate forward and reversely, thereby completing the belt feeding and belt taking-up functions; the strap tensioning unit is driven by an air motor to drive the tensioning wheel to rotate, tighten the strap, and complete the tensioning function; the buckle hopper unit stores buckles and is provided with a pushing device to push the buckles into the buckle module unit; the belt guide door unit is a rotatable structure, and after rotation, it forms a strap conveying channel with the hopper unit and the lower end of the main housing unit. The present invention is stable and reliable to use.

The application discloses a kind of multi-modal adaptive furnace temperature control method, system and continuous annealing furnace based on space-time thermal field decoupling, multiple independent heating zones are provided in the continuous annealing furnace, multiple groups of staggered arrangement burners are arranged in each heating zone, four-stage adaptive control strategy based on temperature ratio segmentation and thermal field space-time distribution collaborative control, including: fast response heating zone, proportional regulation transition zone, pulse cross uniform zone, dynamic thermal field maintenance zone. By decoupling furnace temperature control and thermal field spatial distribution, using the way of spatial grouping pulse activation + time staggered control, the rapid response, accurate regulation and uniform maintenance of furnace temperature are realized.The application effectively solves the technical problems of temperature overshoot, response lag, thermal field unevenness, high energy consumption and other technical problems in the traditional control mode, significantly improves the quality of strip steel heat treatment and energy utilization efficiency.

The utility model discloses a valve cover and contain its electromagnetic pulse valve, the valve cover includes valve cover body, the upper surface of valve cover body has the exhaust pipe outside, the exhaust pipe is used for discharging the air of valve cover chamber of electromagnetic pulse valve, the bottom of exhaust pipe with valve cover chamber is linked together, and the top of exhaust pipe constructs and has the exhaust outlet, to export the compressed air in valve cover chamber. Through separating exhaust pipe and valve cover body, the exhaust pipe is external on valve cover body, thus, the section area of exhaust passage increases, and the angle of exhaust passage is reduced, and the exhaust resistance is reduced, can effectively promote the output pressure rising rate of electromagnetic pulse valve.

The utility model discloses a candle type filter element and a filter thereof, the candle type filter element comprises a filter tube uniformly distributed with filter holes, more than two baffles are uniformly distributed in the filter tube along the axial direction, a central hole is formed in the center of each baffle, and the aperture of each central hole is in a trend of increasing from top to bottom. The filter assembly has the prominent effects that the filter assembly formed by the filter pipe internally provided with the central hole baffle plate can effectively reduce the air consumption during forward blowing and does not influence the blow-drying effect of a filter cake. And energy is effectively saved, and practicability is high.