36results about How to "Guaranteed not to overheat" patented technology

The invention discloses a precoated sand recycling system which comprises an upright suspension combustion hearth and a horizontal type boiling bed, wherein the bottom of the horizontal type boiling bed is partitioned by lower partitioning plates so as to form a plurality of uniform bottom air distribution cabins; a hot air hole is formed in each bottom air distribution cabin; a fume exhaust hole for exhausting fume is formed in the horizontal type boiling bed; the fume exhaust hole in the horizontal type boiling bed is communicated with a fume exhaust pipeline through a flue; a draft fan is arranged at an end part of the fume exhaust pipeline; a dividing wall cooler is arranged below the air distribution cabins of the horizontal type boiling bed; the top end of the dividing wall cooler is connected with the horizontal type boiling bed through a sand falling tube; an air outlet is formed in the upper part of the dividing wall cooler; a sand outlet and an air inlet are formed in the bottom of the dividing wall cooler; the air outlet is connected with an air preheater through a first hot air tube; the inlet of the air preheater is communicated with the first hot air tube; the outlet of a gas conveying pipeline is communicated with hot air holes of the air distribution cabins through a second hot air tube.

The invention provides a battery system and an electric automobile. The battery system comprises battery modules, wherein each of the battery modules comprises a plurality of battery module units; each of the battery module units comprises a plurality of batteries; a first heating pole and a second heating pole connected with the first heating pole are arranged on each of the batteries; each first heating pole is serially connected to a first branch; the second heating pole is serially connected to a second branch; the first branch is connected with a cathode of an external power supply; the second branch is connected with an anode of the external power supply; a temperature sensor is arranged in each of the battery module units and is used for detecting the temperature of the battery; an executing plate is used for collecting a temperature signal acquired by the temperature sensor. According to the battery system provided by the invention, the heating pole arranged on the battery can realize the heating of the battery. Such a heating manner increases the heating efficiency and guarantees the battery to be free from being overheated, and meanwhile, the increasing of the battery temperature can be completed within a short period of time, the battery temperature can reach the temperature for high-power charging and discharging, and the high power requirement of the whole vehicle is met.

A pulverized coal burner comprises at least one cyclone with a primary air powder tangential inlet line and a middle tapered shrinkage segment; an exhaust gas pipe having an exhaust gas adjusting air door and inserted on the top of the cyclone; a primary pulverized coal burning chamber and a secondary pulverized coal burning chamber arranged on the straight outlet segment of the cyclone; a micro-oil oil gun arranged on the top of the cyclone and inserted and penetrating the inlet of the exhaust gas pipe to the inlet of the primary pulverized coal burning chamber; a concentration ring and a rotation-eliminating blade arranged outside the throat at the interface of the shrinkage segment and the straight outlet segment of the cyclone; and a secondary air nozzle arranged at the outlet of the secondary pulverized coal burning chamber. The pulverized coal burner can achieve burn a great amount of pulverized coal by strengthened combustion and gradual amplification of trace oil by adopting the technical measures, such as ignition using micro-oil gasification oil gun, secondary pulverized coal burning, adjustable exhaust gas flow rate and pulverized coal concentration ratio, further pulverized coal concentration and rotation elimination, thereby achieving ignition of anthracite and lean coal, and achieving high oil saving rate. The coal burner is particularly suitable for W-shaped flame boiler.

The invention belongs to the technical field of energy engineering, and relates to precoated sand hot-process regeneration equipment mainly utilizing a vertical fluidized bed furnace and a precoated sand hot-process regeneration method. The precoated sand hot-process regeneration equipment comprises a vertical fluidized bed furnace, a charging hopper, a nozzle for oppositely spraying coal gas, a flue, a smoke discharging pipeline, a dividing wall cooler and an air preheater, wherein the dividing wall cooler is arranged below the vertical fluidized bed furnace, the top end of the dividing wall cooler is connected with the vertical fluidized bed furnace through a sand falling pipe, the air inlet of the dividing wall cooler is connected with an air blower, the air outlet of the dividing wall cooler is connected with the air preheater through a hot air pipe I, the inlet of an air conveying pipe of the air preheater is communicated with the hot air pipe I, the outlet of the air conveying pipe is communicated with an air chamber through a hot air pipe II, and the flue is connected with the smoke discharging pipeline through a cavity of the air preheater. The precoated sand hot-process regeneration method comprises the steps: starting, feeding, and stabilizing. The precoated sand hot-process regeneration equipment is high in energy utilization rate, perfect in regeneration, simple in operation, and energy-saving and environment-friendly.

The invention relates to an improved device of a smoke-impact water spinning type LNG (Liquefied Natural Gas) heating gasification furnace and particularly relates to a device for maintaining a water level of the smoke-impact water spinning type LNG heating gasification furnace. An annular pipe ring (1) is horizontally arranged on the top of a vertical combustor jacket (7) which consists of an inner barrel and an outer barrel, and a plurality of water replenishing holes (1a) are formed in the peripheral wall of the annular pipe ring (1); and the annular pipe ring (1) is connected to a water tank (4) through a water inlet pipe (3), and a water supply power pump is arranged on the path of the water inlet pipe (3). The device disclosed by the invention has the advantages of ensuring to continuously replenish water into the heating gasification furnace, keeping the water level of a water pool in the heating gasification furnace to be stabilized in an optimal position, most fully developing the effects of smoke impact, splashing and entraining of water drops, water mist and water vapor, and ensuring the normal operation of the heating gasification furnace. The device disclosed by the invention is capable of effectively cooling the wall of a combustor to ensure that the wall of the combustor is not overheated, obtaining novel available functions except for ensuring and maintaining the working water level of the heating gasification furnace, ensuring the normal and safe operation of the smoke-impact water spinning type LNG heating gasification furnace, and improving the operation efficiency of the furnace.

The invention relates to a battery packaging material for packaging a battery. The solving scheme for aluminum plastic composite films for packaging the battery includes that the battery packaging material comprises an aluminum foil layer and plastic layers; the plastic layers are arranged on the surfaces of the aluminum foil layer by means of composition; the aluminum foil layer is made of anticorrosion aluminum alloy. The battery packaging material has the advantage that the shortcoming of insufficient anticorrosion properties of battery packaging materials for packaging batteries in the prior art can be overcome by the aid of the battery packaging material.

The invention provides a coal gasification method. The coal gasification method comprises the following steps: grinding the coal, drying, pressurizing and transporting the pulverized coal, and gasifying the pulverized coal in a gasification furnace. On the model selection of a coal grinder, primary air entering the coal grinder from a hot blast heater is annularly distributed, the temperature of the hot air entering the coal grinder is ensured to be higher than the conversion temperature of brown coal, the local surface of the brown coal is ensured not to be overheated, and the escape of volatile components in the brown coal can be reduced; the high-volatility brown coal is adopted as a raw material, the coal grinding system is controlled, the maximum concentration of oxygen is 4 percent, a new flow of low-pressure nitrogen is supplemented to a coal grinder sealing system, an nitrogen inlet in the system is also increased, the impact on a grinding roll is reduced, and the vibration of the coal grinder is reduced; the combustion temperature in the gasification furnace is 150 to 200 DEG C higher than the flowing temperature of lime-ash. Under the temperature and pressure, not only can the conversion rate of carbon in the gasification furnace be ensured to reach 99 percent, but also the lime-ash is good in flow characteristic.

The invention relates to the technical field of solar groove type photo-thermal power generation, in particular to a coordinated control device for light field fused salt flow adjustment and defocusing adjustment of a groove type photo-thermal power station. The coordinated control device comprises a heat collecting field flow adjustment control unit, a heat collecting field defocusing adjustment control unit and a central coordinated control unit, wherein the heat collecting field flow adjustment control unit and the heat collecting field defocusing adjustment control unit are connected through a communication network and are connected with the central coordinated control unit. The heat collecting field flow adjustment control unit is used for controlling the flow of a cold tank outlet according to commands of the central coordinated control unit. By means of the coordinated control device, a photo-thermal power generation system is made to guarantee that fused salt stably flows without condensation when solar illumination intensity is poor according to solar illumination intensity differences in time, meanwhile, the temperature of the fused salt is controlled not to exceed the standard when the solar illumination intensity is too high, and therefore the photo-thermal power generation system can stably operate with high efficiency for a long time under complex and diversified weather conditions.

The invention discloses an electromagnetic type water heater and an electromagnetic resistance dual-core water heater, wherein the electromagnetic type water heater is formed by connecting a double-wall or sleeve or box-shaped magnetism-conductive water discharge body, a resonance coil and an integrated controller by virtue of power lines; and the electromagnetic resistance dual-core water heater is formed by connecting the water inlet of a resistance water heater and the water outlet of the electromagnetic type water heater, or placing the resistance water heater in the electromagnetic type water heater to be connected with and the integrated controller by virtue of power lines. For the electromagnetic type water heater and the electromagnetic resistance dual-core water heater, the magnetic energy in various directions of an electromagnetic field are scientifically utilized so that the energy efficiency is improved, and heat insulation is carried out on the resonance coil and the integrated controller by utilizing a heat insulation material and temperature difference of cold and hot water, and a dual-core simple and reliable technical structure in which a low-middle temperature zone is heated by electromagnetic energy and a mid-high temperature zone is subjected to resistance heating is adopted, thereby efficiently solving the problems that the resonance coil and the integrated controller are low in energy efficiency, low in hot water temperature, high in cost and the like, and can be easily damaged due to overheat. The electromagnetic type water heater and the electromagnetic resistance dual-core water heater have the obvious beneficial effects that the energy consumption is low, the cost is low, energy is saved, the hot water temperature is high, and more applications can be met.

The invention discloses a combined-type cooling seal structure for a high-pressure turbine rotor exterior ring. The structure comprises a combustion chamber outer casing, the high-pressure turbine rotor exterior ring and auxiliary seal structures. Segmentation design is used for the high-pressure turbine rotor exterior ring; an opposite face of an upper blade of the high-pressure turbine rotor exterior ring is coated with a high-temperature resistant abrasive coating; impact cooling holes are formed along circumferences of the combustion chamber outer casing; and a connecting structure betweenthe combustion chamber outer casing and the high-pressure turbine rotor exterior ring is improved, so a cool air chamber is formed between the combustion chamber outer casing and the high-pressure turbine rotor exterior ring. In this way, the high-pressure turbine rotor exterior ring can be cooled efficiently through cool air jet-flow impacting. Through configuration of the auxiliary seal structures such as a seal ring and a seal baffle, cool air can be sealed, so a thermal load of a high-temperature component, namely the high-pressure turbine rotor exterior ring can be reduced; thermal deformation of the hot-end component can be controlled; a usage amount of the cool air is reduced; cooling effects are maximized; and the structure is more stable and reliable.

The invention relates to a soft-pack battery thermal control device, in particular to a soft-pack battery thermal control device which can be soaked into cooling water. Furthermore, in view of the defect that the anticorrosion performance of packaging materials for batteries is not inadequate in the prior art, the invention provides a corresponding packaging material; the packaging material is made from an aluminum foil layer resistant to cooling water corrosion and a plastic layer arranged on the surface of the aluminum foil layer.

The invention relates to battery packaging materials for packaging batteries, in particular to a battery packaging material applied to packaging a flexibly packaged battery for vehicles and the flexibly packaged battery. The solving scheme for aluminum plastic composite films for packaging the battery includes that the battery packaging material comprises an aluminum foil layer and plastic layers; the plastic layers are arranged on the surfaces of the aluminum foil layer by means of composition; the aluminum foil layer is made of anticorrosion aluminum alloy. The battery packaging material and the flexibly packaged battery have the advantage that the shortcoming of insufficient anticorrosion properties of battery packaging materials for packaging batteries in the prior art can be overcome by the aid of the battery packaging material and the flexibly packaged battery.

The invention discloses a method for adjusting the wall temperature of an opposed firing boiler after low-load milling stop. The adjusting method is used for adjusting the wall temperature of the opposed firing boiler under the low load when the number of coal mills is changed from four to three. The adjusting method comprises the steps that the opening degree of cold primary air of the shutdown mill, the opening degree of over fire air and the coal feeding amount of the coal mill on the opposite side of the shutdown coal mill are adjusted; and the adjusting process specifically comprises the steps of increasing the opening degree of the cold primary air of the shutdown mill and adjusting the opening degree of the over fire air differentially. The coal feeding amount of the coal mill on the opposite side of the shutdown coal mill is gradually reduced.

The invention relates to a synthesis method of diethyl phosphite. The method comprises the following steps: putting triethyl phosphite into a stirring reactor; adding phosphorous acid into the stirring reactor in batches under a stirring condition; wherein the batch adding frequency is 4-5 times, the temperature is controlled to be less than or equal to 35 DEG C in the phosphorous acid batch adding process, the temperature is kept at 50-60 DEG C for 30 minutes after phosphorous acid is added, then the temperature is increased at 2.5-5 DEG C / h, the temperature is gradually increased at 60-90 DEG C, and the reaction is carried out for 3-5 hours to obtain diethyl phosphite. The method is prepared by directly reacting triethyl phosphite with phosphorous acid, does not need a solvent or a catalyst in comparison with the traditional process, and is mild in reaction and higher in yield, and the yield can reach 97-99%; no side reaction occurs in the reaction process, the product purity is goodand can reach 99% or above, and the method is low in cost, safe, environmentally friendly and suitable for industrial production.

The invention discloses a boiler start-stop adjusting system and method for a main-pipeline unit. The boiler start-stop adjusting system comprises a high-pressure cylinder of a first boiler, a first high-pressure heater of the first boiler, a first boiler economizer, a high-pressure cylinder of a second boiler, a first high-pressure heater of the second boiler, and a second boiler economizer, which are arranged in a high-pressure cylinder water outlet system, wherein the first-stage steam extraction of the high-pressure cylinder of the first boiler is connected to the first high-pressure heater of the first boiler; outlet water of the high-pressure heater is divided into two paths, the first path is connected into a water supply system of the first boiler economizer, and the second path is connected into a water supply system of the second boiler economizer through a water outlet pipeline; the first-stage steam extraction of the high-pressure cylinder of the second boiler is connected to the first high-pressure heater of the second boiler; and outlet water of the high-pressure heater is connected into the second boiler economizer. The system and the method can effectively solve the problem of uneven heating when the second boiler of the main-pipeline unit is started and stopped, coal consumption is reduced, and the flexibility of a thermal power generating unit participating in peak regulation is improved.

The invention discloses a groove type heat collector control method and device, and belongs to the field of light energy heat utilization device control, and the method comprises the steps that temperature information of a heat-conducting medium in a heat collecting pipe and day-by-day position information of a reflective mirror are obtained; and determining offset focus position information of the reflector according to the temperature information and the day-by-day position information. And based on the temperature information of the heat-conducting medium and the day-by-day position information, the offset focus position information of the reflective mirror is confirmed to adjust the position of the reflective mirror and change the heat collection rate of the reflective mirror, so that the temperature of the heat-conducting medium in the heat collection pipe is adjusted, the temperature fluctuation of the heat-conducting medium is reduced, and the heat-conducting temperature is kept within a reasonable range. Therefore, the service life of the heat-conducting medium and the service life of the heat collector can be prolonged.

The invention discloses a method for preparing methyl tertiary butyl ether (MTBE). The method is characterized in that: an external circular heat-removing fixed bed reactor is connected in series in front of an original mixed-phase fixed bed reactor. The method comprises the following steps of: (1) inputting mixed C4 serving as a raw material into the external circular heat-removing fixed bed reactor for reacting till the content of isobutene in the mixed C4 serving as the raw material is lowered below 30 percent by weight; (2) introducing the reacted material into the mixed-phase fixed bed reactor for reacting; and (3) introducing the reacted material discharged out of the mixed-phase fixed bed reactor into a catalytic distilling tower for performing deep etherification and separating. The method can adapt to the raw material change of an upstream device, so that the equilibrium conversion rate of the MTBE is increased, the temperature of the catalytic distilling tower is prevented from surpassing a temperature limit, the raw material purity of a downstream device is ensured, and an MTBE device does not to halt during replacement of a catalyst.

A pulverized coal burner comprises at least one cyclone with a primary air powder tangential inlet line and a middle tapered shrinkage segment; an exhaust gas pipe having an exhaust gas adjusting air door and inserted on the top of the cyclone; a primary pulverized coal burning chamber and a secondary pulverized coal burning chamber arranged on the straight outlet segment of the cyclone; a micro-oil oil gun arranged on the top of the cyclone and inserted and penetrating the inlet of the exhaust gas pipe to the inlet of the primary pulverized coal burning chamber; a concentration ring and a rotation-eliminating blade arranged outside the throat at the interface of the shrinkage segment and the straight outlet segment of the cyclone; and a secondary air nozzle arranged at the outlet of the secondary pulverized coal burning chamber. The pulverized coal burner can achieve burn a great amount of pulverized coal by strengthened combustion and gradual amplification of trace oil by adopting the technical measures, such as ignition using micro-oil gasification oil gun, secondary pulverized coal burning, adjustable exhaust gas flow rate and pulverized coal concentration ratio, further pulverized coal concentration and rotation elimination, thereby achieving ignition of anthracite and lean coal, and achieving high oil saving rate. The coal burner is particularly suitable for W-shaped flame boiler.

The invention relates to an improved device of a smoke-impact water spinning type LNG (Liquefied Natural Gas) heating gasification furnace and particularly relates to a device for maintaining a water level of the smoke-impact water spinning type LNG heating gasification furnace. An annular pipe ring (1) is horizontally arranged on the top of a vertical combustor jacket (7) which consists of an inner barrel and an outer barrel, and a plurality of water replenishing holes (1a) are formed in the peripheral wall of the annular pipe ring (1); and the annular pipe ring (1) is connected to a water tank (4) through a water inlet pipe (3), and a water supply power pump is arranged on the path of the water inlet pipe (3). The device disclosed by the invention has the advantages of ensuring to continuously replenish water into the heating gasification furnace, keeping the water level of a water pool in the heating gasification furnace to be stabilized in an optimal position, most fully developing the effects of smoke impact, splashing and entraining of water drops, water mist and water vapor, and ensuring the normal operation of the heating gasification furnace. The device disclosed by the invention is capable of effectively cooling the wall of a combustor to ensure that the wall of the combustor is not overheated, obtaining novel available functions except for ensuring and maintaining the working water level of the heating gasification furnace, ensuring the normal and safe operation of the smoke-impact water spinning type LNG heating gasification furnace, and improving the operation efficiency of the furnace.

The invention relates to a site heat treatment device for an air cylinder groove, which comprises a device main body and a control system; the device main body is provided with a main heating zone andan assistant heating zone; the main heating zone covers a to-be-repaired position of the air cylinder groove, and the assistant heating zone is located in at least one side of the main heating zone;heating components are arranged in the main heating zone and the assistant heating zone; the control system is connected with the heating component for controlling the work of the heating component and the heating temperature. Through the main heating zone, the to-be-repaired zone is heated; the main heating zone is performed with assistant heating and heat insulation through the assistant heatingzone, so as to realize heat treatment of every part of the groove; the heat treatment temperature and time are effectively controlled, thus no partial overheat is guaranteed; the main heating zone and the assistant heating zone can be set and switched according to the repair zone; the heat treatment effect is good.

The invention provides an efficient coal gasification method, and the specific preparation steps include: coal grinding and drying, pulverized coal pressurization and transportation, and gasification furnace gasification. In the type selection of the coal mill, the present invention distributes the primary air from the hot blast stove into the coal mill in a ring shape, and at the same time ensures that the temperature of the hot air entering the coal mill is not greater than the conversion temperature of the lignite, and ensures that the local surface of the lignite does not exceed temperature, reducing the escape of volatile components in lignite; the present invention uses high-volatile lignite as raw material, controls the coal grinding system, and the maximum oxygen concentration is 4%, and a new low-pressure nitrogen gas is added to the coal grinding machine sealing system in the system, and at the same time Increase the nitrogen inlet in the system, reduce the impact on the grinding rod, and reduce the vibration of the coal mill; the program in the present invention will start the lock hopper unloading cycle, and the total unloading cycle time is 3 minutes. It can be seen that the whole process has a high degree of automation and high efficiency. High and short.