157results about How to "Increase heat exchange intensity" patented technology

The invention relates to an efficient drying and quality-improving device and method for brown coal. In the prior art, no efficient drying and quality-improving device or method for brown coal, which is used for improving the utilization value of the brown coal, exists. The efficient drying and quality-improving device is characterized by comprising a coal storage bin, a fuel bin, a hot blast stove, a cylinder-type dryer, a product bin, a cyclone dust collector, an electrical dust collector and a plurality of pipelines, wherein both the product bin and the coal storage bin are connected with the cylinder-type dryer; the cylinder-type dryer is connected with the cyclone dust collector; and the cyclone dust collector, the electrical dust collector, the fuel bin are all connected with the hot blast stove. The method is characterized in that the raw material of the brown coal is conveyed into the cylinder-type dryer from the coal storage bin; the hot blast stove generates high-temperature flue gas at the temperature of 700-900 DEG C, and the flue gas is conveyed into the cylinder-type dryer; the raw material of the brown coal is dried by the high-temperature flue gas and conveyed into the product bin from the cylinder-type dryer for sealing and cooling, so that the finished product of the brown coal is obtained after cooling. According to the device and the method, the moisture in the brown coal can be reduced substantially, and a part of ash content in the brown coal can also be reduced, so that the utilization value of the brown coal can be improved.

The invention discloses an air supply heat pump hot water assembly. The key points of the invention mainly are that at least two compressors are connected in parallel; a first temperature sensor, a pressure sensor and a first controller are also connected in parallel; a first control circuit which compares the temperature signal measured by the first temperature sensor with a set value of environment temperature and leads the corresponding compressor to enter an on state according to the comparison result is arranged on the first controller, and a second control circuit which compares the pressure signal measured by the pressure sensor with a set value of pressure and controls the rotate speed of a fan according to the comparison result is also arranged on the first controller. The invention fundamentally solves the problem that the hot water quantity required by users is not matched with the heating capacity of the assembly when running in winter and summer, and the invention can guarantee the safe and reliable running of the compressor through changing the air flow of the fan. Furthermore, the invention additionally adopts a connecting air channel and a cold water circulation device to recycle the cooling energy wasted before, so as to enhance the utilization rate of the hot water assembly and reduce the energy cost of users.

The present invention is fluid ice making method and apparatus. The method includes cooling the cool carrying medium in fluid to below 0 deg.c with evaporator, spraying ice making water to the cooled cool carrying medium in fluid to form mixed fluid of ice grain and cool carrying medium and separating ice from the cool carrying medium in fluid to obtain fluid ice. The apparatus for making fluid ice includes evaporator, ice making unit, water sprayer, filter with filtering net and circulating pump connected via pipeline. The present invention has high heat efficiency, high practicality, simple structure and low running cost.

The invention provides a fresh air supply system for a cooling tower and belongs to the field of thermal power generation or nuclear power generation, in particular to technology capable of realizing fresh air supply to the inside of a natural draft counter-flow wet cooling tower. The fresh air supply system of the cooling tower adopts an air duct structure, is arranged at the bottom periphery of the cooling tower and extends to central area of the tower opening from the outer edge of the air inlet of the cooling tower. Each air duct forms a certain inclination angle with the direction of a circumferential tangent and a certain inclination angle with a radial direction. Thus, the fresh air can be led into the cooling tower, the cooling efficiency of the cooling tower is improved, the internal air dramatic field in the cooling tower is improved, the optimal matching between the water flow distribution rules and the air distribution rules is realized and the temperature of circulating water is reduced.

The invention relates to equipment for quickly and efficiently drying a large amount of solid materials. The equipment is characterized in that: a porous roller is arranged in a box body of which the inner wall is coated with a heat preservation material; a plurality of small holes are formed in the roller; and a sieve screen and a guide plate are arranged on the inner wall of the roller. In the drying equipment, gases such as air, nitrogen, steam, fume, gas and the like are as dry hot media according to site conditions, and the drying equipment has the advantages of high heat exchanging intensity, short drying time, high thermal efficiency, relatively compact volume, high sealing performance, high safety, environment friendliness and the like. The equipment is suitable for drying granular solid materials in industrial and agricultural raw materials and products, and is suitable for drying oil shale and coal when the temperature of the drying hot media is below 300 DEG C.

The invention provides cold and hot dual-purpose special functional clothes. A plastic hose is distributed on the inner side of a coat in a zigzag bent mode. A water outlet of the plastic hose is connected with a water inlet of a heat conductive copper pipe through a micro direct-current circulating water pump, the micro direct-current circulating water pump is connected with a storage battery through a wire, a water outlet of the heat conductive copper pipe is connected with a water inlet of the plastic hose, a fastening device is arranged on the area, corresponding to the waist of a human body, of the coat, the fastening device is provided with a storage bag used for storing a cold storage bag or a heat storage bag, and a heat exchange part of the heat conductive copper pipe is arranged in the cold storage bag or the heat storage bag. The clothes integrate an efficient refrigerating and cooling function and an efficient heating and cold preventing function, can be used for cooling in summer and heating in winter, and can well solve the problem that space is limited when cooling and heat preservation are achieved in a closed space.

The invention relates to a regenerative throttling assembly, a combined microchannel throttling refrigerator and a device. The refrigerator is the overlaid chute-shaped and wave-shaped combined microchannel throttling refrigerator and is formed by staggeredly overlaying multiple chute-shaped and wave-shaped regenerative throttling components; each regenerative throttling component comprises a regenerative throttling upper plate and a regenerative throttling lower plate overlaid up and down; the regenerative throttling upper plates and the regenerative throttling lower plates comprise inlet sections, regenerative throttling sections and expansion sections connected sequentially; multiple line grooves in parallel are arranged on the regenerative throttling upper plates; multiple W-shaped fold line grooves in parallel are arranged on the regenerative throttling lower plates; the line grooves on the regenerative throttling upper plates and the fold line grooves on the regenerative throttling lower plates are staggered and communicate at the staggered part; the expansion sections communicate with the inlet sections through the regenerative throttling sections so as to form multiple regenerative throttling channels; and a working medium forms a mesh-shaped whirl mesh flow when flowing in the channels, so that the disturbance is improved, and the heat exchange efficiency between platesheets and the working medium is improved.

The invention belongs to the technical field of aero-engine air inlet dynamic temperature distortion testing, and particularly relates to an air-breathing type pluggable thermocouple probe for the engine air inlet total temperature dynamic distortion test. The air-breathing pluggable thermocouple probe comprises a thermocouple support 1, a micro thermocouple 2, a galvanic couple socket, a galvaniccouple contact pin, an air collecting head 3, a probe outer shell 4, a locking nut 11, a positioning ring 12, a probe tail shell 13, a galvanic couple extension line 14 and an air entraining pipe 15.

The invention relates to a method and device for concentrating and coupled-drying a catalyst in quenched wastewater in the process of using methanol to prepare olefin, and provides the method for concentrating and coupled-drying the catalyst in quenched wastewater in the process of using methanol to prepare olefin. The method comprises the following steps of: carrying out concentrating treatment on the quenched wastewater containing catalyst in the process of using the methanol to prepare olefin to obtain a concentrated phase of the catalyst; and drying the concentrated phase of the catalyst and recovering the catalyst in a solid form, wherein a self-returning blade drying machine is adopted for drying. The invention also provides a device for concentrating and coupled-drying a catalyst in quenched wastewater in the process of using methanol to prepare olefin.

An energy-saving kang with double flow channels belongs to the technical fields of the utilization of solar energy and biomass energy and the building energy conservation. The energy-saving kang with double flow channels contains not only a stove, a kang plate, a flue baffle plate, a flue gas inlet, a flue gas circulation channel, a flue gas outlet, a chimney and other parts of the traditional kang, but also a solar air heat collecting system. In the energy-saving kang, the folded metal plate on the lower surface of the upper kang plate is utilized to increase the heat-transfer intensity of the air and the kang plate and the uniformity of the temperature distribution of the kang surface; the baffle plate is used to effectively separate the air and the flue gas circulation channel; and the solar energy and the heat of the flue gas can be utilized simultaneously, and the solar heat collecting device can not be damaged. All the parts in the energy-saving kang are prepared from common materials and by common preparation technology, thus the energy-saving kang has the advantages of simple production technology, low production cost and the like. The energy-saving kang is mainly used in the single building of a village in Northern China, can solve the indoor heating problem in winter and can reduce the coal consumption while lowering the environment pollution.

The invention discloses a lithium battery thermal safety management system and a management and control method. The lithium battery thermal safety management system comprises a water pump, a thermal safety management system, a battery management system, an energy storage converter, an in-box main monitor, a plurality of battery modules and a cooling-water machine; a liquid cooling channel is laidon the surface of a battery module; the water pump is communicated with the cooling-water machine through a liquid cooling channel to form a closed loop, an electromagnetic proportional valve is arranged on the liquid cooling channel, and the battery module comprises a plurality of single batteries; the thermal safety management system comprises a data transmission module, a data recording module,a data analysis and calculation module and a control execution module; the invention further provides a lithium battery thermal safety management and control method adopting the lithium battery thermal safety management system, the heat generation difference of the lithium battery caused by different aging degrees in the service process can be identified, and heat dissipation can be regulated andcontrolled as required, so that the consistency and the running performance of the running temperature of the battery are improved.

The invention provides a smoke rotational flow condensation type heat exchange device and method for an aluminum oxide calcining kiln. The smoke rotational flow condensation type heat exchange device comprises a fan, sprayers, a chimney, a fog receiver, a water recycling tank, an overflow pipe, a dust collector, a hot water pump, a cold water pump, spiral flow guide plates, an air pipe and a user. The smoke rotational flow condensation type heat exchange method comprises the steps that 150-170 DEG C hot and wet smoke from the aluminum oxide calcining kiln enters the lower portion of a condensation heat-exchange tower through the fan and the air pipe, and operates upwards after passing the spiral flow guide plates; and after spraying convective heat exchange through the sprayers, cooling water is heated to 80 DEG C from 50 DEG C and then joints condensate water in the smoke, and afterwards, mixed water is delivered to the user to be used through the hot water pump after entering the water recycling tank. The smoke rotational flow condensation type heat exchange device and method have the advantages that recycled hot water can be used for washing of red mud and a flat plate in aluminum oxide production, or heating for the user, or ORC waste heat power generation. 80%-90% or above of the heat in the moisture-heat-containing smoke can be recycled, and the economic benefit and the effects of energy conservation, emission reduction and environmental protection are significant.

The invention provides an evaporating pipe and a heat storage boiler heat exchange system adopting the evaporating pipe. The evaporating pipe can generate steam in a heat accumulator, the heat storage boiler heat exchange system has a heat storage and emission process, electric energy is converted into heat energy to be stored in a storage tank during off-peak electricity, the electric energy is discharged to serve other fields through a heat exchanger during peak electricity, and energy conservation and environmental protection are achieved while using cost can be lowered. In addition, in the heat storage boiler heat exchange system, a water pump is controlled by an intermittent controller to realize adjustability in evaporation and condensation amount, and the purposes of water inlet temperature recovery in a heat pipe and secondary vaporization are achieved.

The invention discloses an absorption heat pump and a condenser and a method thereof. The condenser comprises a condensation cavity, a condensation heat exchanger, a condenser condensation working medium spraying device, a condenser condensation working medium spraying pipe and a condenser condensation working medium spraying pump; the condenser condensation working medium spraying device is arranged in the condensation cavity; the condenser condensation working medium spraying pipe is arranged out of the condensation cavity; the condensation heat exchanger and the condenser condensation working medium spraying pump are arranged on the condenser condensation working medium spraying pipe; the condenser condensation working medium spraying pump conveys a condensation working medium in the condensation cavity to the condenser condensation working medium spraying device by the condenser condensation working medium spraying pipe via the condensation heat exchanger; the condenser condensation working medium spraying pipe is connected with a heat fluid side of the condensation heat exchanger; and a cold fluid side of a cooling heat exchanger is connected with a condensation heat medium pipe. The absorption heat pump can reinforce the heat and mass transfer process of condenser working medium steam condensation to reduce the size of the condenser.

The invention discloses a heat pipe type anti-adhesion crude gas waste heat recycling system, and belongs to the field of technologies for recycling crude gas waste heat in coking technological procedures. The heat pipe type anti-adhesion crude gas waste heat recycling system comprises a riser, a heat pipe heat exchange device and a special-shaped connecting pipe. A riser extension section is arranged on the top of the riser in the vertical direction and is communicated with the special-shaped connecting pipe via the heat pipe heat exchange device; optional heat exchange devices in the riser are omitted. The heat pipe heat exchange device comprises a heat-insulation tank, inlets of the heat-insulation tank are formed in the side surfaces of the heat-insulation tank, outlets of the heat-insulation tank are formed in the bottom surface of the heat-insulation tank, the inlets of the heat-insulation tank are connected with the outlets of the heat-insulation tank by a bottom heat-insulation plate which is obliquely arranged, and the bottom heat-insulation plate is detachably fixed to the bottom surface of the heat-insulation tank. The heat pipe type anti-adhesion crude gas waste heat recycling system has the advantage that crude gas waste heat resources can be safely, economically and efficiently recycled by the aid of the heat pipe type anti-adhesion crude gas waste heat recycling system.

A spiral double-pipe heat exchanger belongs to the field of heat-exchanging apparatuses. A hot-working-medium inlet, a cold-working-medium collecting chamber and a cold-working-medium outlet are arranged on the upper end of a spiral double-pipe heat exchanger body; a hot-working-medium collecting cavity, a hot-working-medium outlet and a cold-working-medium inlet are arranged on the lower end of the heat exchanger body; the heat exchanger body is formed by a plurality of pipes which have different diameters and are sleeved with each other; two adjacent pipes are isolated by a spiral rib, so as to form a spiral channel and form separated cold/hot channels from the centre pipe to the outside; an inlet of a cold-hot working medium heat exchanging channel is configured into a hollow cone, and the outlet is respectively introduced into the upper and the lower collecting cavities by each conduit; the hot-working-medium inlet of the double-pipe heat exchanger is provided with a driving turbine; the cold-working-medium inlet of the double-pipe heat exchanger is provided with an impeller; and the turbine and the impeller are connected by a rotating shaft fixed in a central cylinder. The heat exchanger can fully use the exhaust gas of the combustion motor to drive the cooling airflow automatically, thereby enhancing the heat-exchanging strength; and the heat exchange coefficient of the spiral channel is enhanced by more than 100% compared with the common double-pipe heat exchanger.

The invention relates to a man-made board dry waste heat recycle method which includes the following steps: step one, dry tail gas discharged from a cyclone separator is driven by a hot end fan and flows through a tail gas filter, and therefore dust in the tail gas can be filtered; step two, an evaporation section flowing through a heat pipe exchanger is directly emptied when temperature of the evaporation section is reduced after heat exchange; step three, temperature of cold air driven by a cool end fan is raised after a condensation section of the heat pipe exchanger absorbs heat; and step four, the cold air is used as a material drying medium after being heated by a hot oil exchanger or as preheat air to be delivered to a boiler without entering into the hot oil exchanger. The man-made board dry waste heat recycle method has the advantages that a high-efficiency heat exchanger is used to recover waste heat in man-made board dry tail gas, in the process of heat exchange, heat exchange components are in a phase-change heat exchange state, heat exchange intensity is large, and therefore a great deal of low-temperature waste heat can be effectively recovered. A high-efficiency dust remover is arranged in front of the heat exchanger, and therefore the problems that the heat exchanger is prone to dust stratification and blockage and the like are solved.

The invention discloses an air conditioner. The air conditioner comprises a shell (1), an air inlet (2) and an air outlet are formed in the shell (1), the air outlet comprises a first air outlet (3) located on the upper part and a second air outlet (4) located on the lower part, the shell (1) is internally provided with a first axial fan (5) corresponding to the first air outlet (3), and the shell(1) is internally provided with a second axial fan (6) corresponding to the second air outlet (4). A rotating shaft of the first axial fan (5) is parallel to a rotating shaft of the second axial fan(6), and a heat exchanger (7) is arranged between the two axial fans and the two air outlets. The air conditioner solves the problems of small air supply distance of a cabinet air conditioner, slow diffusion rate of indoor temperature and low heat transfer intensity in the prior art are solved.

The invention relates to a regeneration and filtration integrated system for high-temperature solar thermal chemical tail gas treatment. The integrated system comprises a primary filtration and regeneration subsystem, a secondary filtration and regeneration subsystem composed of two heat storage tanks in parallel, a backflushing filter and connecting pipeline valves, wherein insulation layers wrapthe heat storage tanks, and bottom contraction sections are provided with ash discharge ports. The system involved in the invention has two stages of filtration and two stages of regeneration; the staged regeneration of reaction air inlet between the stages can be realized through valve switching and the intermediate backflushing filter; coarse filtration, fine filtration and heat storage and regeneration in the stages are layered in order; the secondary filtration and regeneration subsystem which bears a main heat-generating function is provided with filtration performance, heat exchange strength, sealing effect and piezoresistive loss by means of the coupling of fixed beds and fluidized beds. An operation mode of the system comprises primary regeneration during daytime with non-fluctuating solar irradiation, two stages of regeneration during daytime with fluctuating solar irradiation, auxiliary heat regeneration and release before system start-up, and system ash removal. The systemhas the advantages of high efficiency and wide application range, and realizes gradient utilization of gas production waste heat.