Steam boiler heat energy recovery system

The invention discloses a steam boiler heat energy recovery system which comprises a boiler body, a drying assembly and a falling film type absorption assembly, the drying assembly is provided with a cavity, a first inlet, a second inlet, a first outlet and a second outlet, the first inlet is suitable for introducing fuel so that the fuel can flow into the cavity, and the second inlet is suitable for introducing fuel so that the fuel can flow into the cavity. The second inlet is communicated with the boiler body, the first outlet is communicated with the boiler body, so that fuel dried by the drying assembly flows into the boiler body, the falling film type absorption assembly comprises an air inlet, a water inlet and a water outlet, and the air inlet is communicated with the second outlet of the drying assembly; flue gas flowing out of the drying assembly flows into the falling film type absorption assembly through the gas inlet, the water inlet is suitable for feeding boiler feed water ...

Driving mode control system and crane

The invention discloses a driving mode control system and a crane, the control system comprises a controller, the controller is connected with a storage battery box, and the storage battery box supplies power to the controller; the input end of the controller is connected with an angle sensor and a plurality of pressure sensors, and the output end of the controller is connected with an inter-axle differential combination air cylinder, a transfer case differential combination air cylinder, a transfer case low-gear combination air cylinder, a transfer case high-gear combination air cylinder, a mechanical drive combination air cylinder, a hydraulic drive combination air cylinder and a plurality of inter-wheel differential combination air cylinders through an electromagnetic valve set. Wherein the electromagnetic valve group is connected with the air reservoir; the controller receives various input signals and automatically adjusts and outputs control signals to control whether the electromagnetic ...

Roller type medium-speed coal grinder

The invention relates to a roller type medium-speed coal grinder. The roller type medium-speed coal grinder comprises a driving motor, a coupling, a speed reducer, a rotary disc, a grinding disc, a grinding roller, a shell, a hot-air nozzle ring and multi-connecting-rod loading mechanisms, wherein the driving motor is arranged on a foundation; the coupling is rotatably connected with an output shaft of the driving motor; the speed reducer is rotatably connected with an output shaft of the coupling; the rotating disc is fastened and connected with the output end of the speed reducer; the grinding disc is fastened and connected with the upper end of the rotating disc; the grinding roller is arranged on the grinding disc; the rotating disc and the grinding disc are sheathed in the shell; the hot-air nozzle ring is arranged on the outer side along the circumferential direction of the grinding disc; the multi-connecting-rod loading mechanisms are arranged in the middle of the shell. Each multi-connecting-rod ...

Method and system for acquiring EVDO control channel resource occupation

The invention discloses a method and a system for acquiring EVDO control channel resource occupation and relates to the field of EVDO network optimization. The method comprises the following steps: the time spent by each user in each data service is counted for mobile Internet log data; a service model is established based on market data and test data; and control channel load occupied by different data services is analyzed by testing the established service model and on the basis of the mobile Internet log data and short message center data. Control channel resource occupation can be refined by acquiring control channel resource occupation by different types of terminals for performing different services so as to realize network optimization. Whether a bottleneck exists in control channel resources after the number of users is increased in the future is predicated according to the existing service model so as to achieve effective prevention and control.

Distributing type multifunctional measuring electrode assembly

The utility model discloses a distributing type multifunctional measuring electrode assembly, including casing, controller, data transmission module, topographic survey module, power module, display module and grounding resistance measurement module, wherein, the controller sets up inside the casing, shows module setting in casing top, is connected with the controller, the topographic survey module is connected to the controller, receives the geographical positional information of its collection, the grounding resistance measurement module includes a plurality of polarization or non polarizing electrode module, according to surveying the thing distribution situation and measuring the region, arranges and arranges in the lower extreme of casing measurement grounding resistance, electrochemical potential, natural current potential, oxido reduction potential and polarization rate, ground resistance side volume module is connected to the one end of data transmission module, other end connection ...

Heat energy recovery system for industrial hot water boiler

The invention discloses a heat energy recovery system for an industrial hot water boiler, the heat energy recovery system for the industrial hot water boiler comprises a boiler, a generator and a falling film absorber, the generator is internally provided with a reaction liquid, and the generator is communicated with the boiler, so that water flowing out of the boiler flows into the generator to heat and concentrate the reaction liquid; the falling film absorber comprises a gas inlet, a water inlet, a water outlet, a liquid inlet and a first liquid outlet, the gas inlet is communicated with the boiler, so that flue gas flowing out of the boiler flows into the falling film absorber, one end of the generator is communicated with the liquid inlet, and the other end of the generator is communicated with the liquid outlet; reaction liquid heated and concentrated by the generator flows into the falling film absorber so as to absorb heat and moisture in flue gas, the water inlet is suitable for ...

Internet of vehicles OFDM auto-encoder information processing method based on deep learning

The invention relates to the field of intelligent traffic, in particular to an Internet of Vehicles OFDM (Orthogonal Frequency Division Multiplexing) auto-encoder information processing method based on deep learning, which comprises the following steps: firstly, converting a sent bit stream into a one-hot matrix, constructing an encoder through a CNN (Convolutional Neural Network) and a BiGRU (Bidirectional Gating Recirculation Unit), and processing the one-hot matrix; secondly, a cyclic prefix and a pilot frequency are added to data from an encoder, and the data pass through a burst interference channel and a multipath fading channel; a decoder is constructed by using a CNN, a BiGRU and a self-normalized network SNN, and an attention mechanism is introduced into the decoder. Then, training a neural network by using an Adam optimizer and a cross entropy function; and finally, counting the bit error rate. According to the method, the problem of error rate performance distortion existing ...

Network checking method for identity card validation

Energy-saving system of industrial hot water boiler

The invention discloses an industrial hot water boiler energy saving system which comprises a boiler, a drying device, a falling film type absorption assembly and a first heat exchange assembly, the boiler is provided with a hearth, a feeding port, a smoke outlet, a first water outlet and a second water outlet, and the feeding port, the smoke outlet, the first water outlet and the second water outlet all communicate with the hearth; the drying device is provided with a first inlet, a second inlet, a first outlet and a second outlet, the first inlet is suitable for introducing fuel, the second inlet is communicated with the boiler, and the first outlet is communicated with the boiler, so that the fuel dried by the drying assembly flows into the boiler; the air inlet is communicated with the second outlet of the drying assembly, the water inlet is suitable for introducing boiler feed water, and the water outlet is communicated with the boiler, so that the boiler feed water heated by the falling ...

Method integrating 2-generation ID and bank electronic settlement verification

Multi-stage flue gas absorption system

The multi-stage flue gas absorption system comprises a generator, the generator comprises a flue gas cavity and an evaporation cavity, and flue gas in the flue gas cavity can be used for heating liquid in the evaporation cavity; the falling film absorber comprises a first absorption cavity and a second absorption cavity, the first absorption cavity is provided with a second flue gas inlet and a second liquid outlet, the second liquid outlet is provided with a filter, the flue gas outlet of the first absorption cavity is communicated with the flue gas inlet of the second absorption cavity, and the second absorption cavity is provided with a second flue gas outlet; a spraying device is arranged in the first absorption cavity and is provided with a plurality of nozzles, a liquid dropping part and a falling film tube are arranged in the second absorption cavity, the liquid dropping part is provided with a plurality of downward liquid dropping openings, and the falling film tube is provided ...

Coal power unit pulverized coal stable combustion and concentration device

The invention relates to a coal power unit pulverized coal stable combustion and concentration device which comprises a combustor, a combustion stabilizer and a concentrator, and the concentrator is used for dividing primary air pulverized coal airflow provided by a pulverized coal air source into first airflow, second airflow and third airflow. The first air flow, the second air flow and the third air flow are combusted in the combustion stabilizer and the combustor, the first inlet communicates with the concentrator so that the first air flow can be introduced into the pulverized coal pipe assembly, the pulverized coal pipe assembly can divide the first air flow to obtain a first sub-air flow and a second sub-air flow, and the pulverized coal concentration of the first sub-air flow is smaller than that of the second sub-air flow; the first outlet is used for discharging first sub-airflow into the cavity, the second outlet is used for discharging second sub-airflow into the cavity, and ...

Coal power unit stable combustion device

The invention discloses a stable combustion device of a coal power unit, the stable combustion device of the coal power unit comprises a combustor and a stable combustion device, the stable combustion device is communicated with the combustor, the stable combustion device extends along a first direction, the stable combustion device comprises a shell and a pulverized coal pipe assembly, the shell comprises a cavity, the cavity is communicated with the shell, and the pulverized coal pipe assembly is arranged in the cavity. At least part of the pulverized coal pipe assembly is arranged in the cavity, and the peripheral face of the pulverized coal pipe assembly is connected with the shell in a sealed mode. The pulverized coal pipe assembly is internally provided with a first channel and a second channel, the first channel and the second channel are arranged in the pulverized coal pipe assembly in a spaced mode, and the first channel and the second channel are both communicated with the cavity ...

Method for manufacturing second generation ID card two-sided information leave-on document

Brake system of crane

The invention discloses a brake system of a crane, which comprises an air compressor and a dryer communicated with the air compressor, the other end of the dryer is respectively communicated with a foot brake and a hand brake through a four-way protection valve, and the four-way protection valve is also communicated with an electromagnetic valve; an auxiliary gas interface is arranged between the electromagnetic valve and the auxiliary gas unit, and the auxiliary gas interface is respectively communicated with the electromagnetic valve and the auxiliary gas unit through a two-way quick release valve. The emergency gas taking connector is additionally arranged, so that the rescue implementation efficiency is improved, and the traction driving safety of a fault vehicle is guaranteed. And secondly, the auxiliary gas taking interface is additionally arranged between the electromagnetic valve and the auxiliary gas consumption unit, so that the quick-plug gas taking interface can be conveniently ...

Boiler heat energy recovery device

The invention discloses a boiler heat energy recovery device which comprises a boiler, a flash evaporator, a heat accumulator, a generator and a falling film absorption reactor, the flash evaporator is communicated with the boiler so that water flowing out of the boiler can be flashed into steam, one end of the heat accumulator is communicated with the boiler and the flash evaporator, and the other end of the heat accumulator is communicated with the falling film absorption reactor. The steam flowing out of the flash evaporator and the steam flowing out of the boiler flow into the heat accumulator, so that the steam flowing out of the boiler heats the steam flowing out of the flash evaporator through the heat accumulator, reaction liquid is arranged in the generator, the generator is communicated with the other end of the heat accumulator, so that the steam flowing out of the heat accumulator flows into the generator to heat the reaction liquid so as to concentrate the reaction liquid; ...

Falling film absorber

The falling film absorber comprises a first absorption part which is provided with a first absorption cavity, a first inlet, a first outlet and a second outlet, and the first inlet, the first outlet and the second outlet are communicated with the first absorption cavity; the first spraying device is provided with a plurality of spray heads, the plurality of spray heads are located in the first absorption cavity, the spray heads are used for spraying liquid into the first absorption cavity, and the plurality of spray heads are located above the first inlet; the second absorption part is provided with a second absorption cavity, a second inlet and a third outlet, the second inlet and the third outlet are communicated with the second absorption cavity, and the second outlet is communicated with the second inlet; the liquid dropping part and the falling film tube are located in the second absorption cavity, and the liquid dropping part is located above the falling film tube; the filtering device ...