57results about How to "Efficient heat recovery" patented technology

The invention relates to a double-plate and double-cold-source intelligent air refresher unit. The double-plate and double-cold-source intelligent air refresher unit comprises a plate type heat exchange unit, a heat pump circulating unit and a spraying unit; the plate type heat exchange unit includes a first plate heat exchanger and a second plate heat exchanger arranged side by side from left to right; the heat pump circulating unit includes a compressor, a cooling condenser, a reheat condenser, an expansion valve and an evaporator; and the spraying unit includes a spraying device, a water collecting tank and a circulating pump. The double-plate and double-cold-source intelligent air refresher unit further comprises a surface cooler; outdoor fresh air reaches an indoor passage, provided with a fresh air-air supply way, after passing through an air supply channel of the first plate heat exchanger, an air supply channel of the second plate heat exchanger, the surface cooler, the evaporator and the reheat condenser in sequence; and indoor returned air is exhausted out of an outdoor passage, provided with a returned air-exhaust air way, after passing through a returned air channel of the second plate heat exchanger, a returned air channel of the first plate heat exchanger and the cooling condenser in sequence. The double-plate and double-cold-source intelligent air refresher unit has the advantages of simple structure, complete functions, stable operation, low cost and high energy-efficiency ratio, and can realize year-round high-efficiency and low-energy-consumption operation.

Apparatus and process are provided to enable rapid start up of hydrogen generator (1) that use partial oxidation reforming. In the start up processes, a heated oxygen containing gas (110) is passed through the reformer (106) and at least one downstream unit operation (108) to achieve a first temperature regime. Then a heated steam containing gas is used to raise the temperatures of the reformer (106) and at least one downstream unit operation (108) to a second temperature regime at which partial oxidation reforming can be initiated.

The invention discloses a heat pipe heat recovery type purification fresh air ventilator. The heat pipe heat recovery type purification fresh air ventilator comprises a heat pipe type heat exchanger. One end of the heat pipe type heat exchanger is arranged in a fresh air duct of a purification fresh air ventilator body, and the other end of the heat pipe type heat exchanger is arranged in an exhaust duct of the purification fresh air ventilator body. In the fresh air duct, a fresh air fan is arranged on one side of the heat pipe type heat exchanger, and a purification module, a sterilization module and an anion sterilization module are sequentially arranged on the other side of the heat pipe type heat exchanger in the wind direction. In the exhaust duct, an exhaust fan is arranged on one side of the heat pipe type heat exchanger, and the fresh air fan and the exhaust fan are in signal connection with a control module. The purification fresh air ventilator adopting a heat pipe type heat recoverer can effectively improve the actual cold-heat exchange efficiency of fresh air and exhaust air, the energy consumption of a heating air conditioning system is greatly reduced, the purification fresh air ventilator can effectively recover heat even though the exhaust amount is half of the fresh air amount, and the effect that fresh air is cooled in summer and heated in winter is ensured.

The invention discloses a double-melting-bath organic solid waste blowing gasification device, and belongs to the field of organic solid waste harmlessness, quantitative reduction, resource, and energy processing adsorption, and organic matter ultrahigh temperature monoatomic cracking gasification preparation of synthetic gas. According to the double-melting-bath organic solid waste blowing gasification device, a liquid surface adjusting furnace is communicated with the bottom of a vapourizing furnace, and contains 1200 to 1700 DEG C molten iron based alloy liquid covered with a molten liquidstate slag layer; the gas pressure or liquid amount above the liquid level adjusting furnace is increased, so that the molten liquid surface in the vapourizing furnace is raised, a material spray gunis immersed, immersion spraying of organic particles for gasification into the melting bath is carried out, at the same time, gasification agent oxygen gas and oxygen-enriched air are blew into molten, organic matter gasification into synthetic gas rich in CO and hydrogen gas is realized, most inorganic matters enter into molten slag, and are discharged regularly with accumulation of slag liquid;molten iron liquid amount is maintained to be constant, conversion of most organic waste into clean combustible gas is realized, and the obtained clean combustible gas is taken as fuel gas or chemicalproduct synthetic gas.

By treating potable water at a temperature of at least 250.degree. C. (482.degree. F.) and at a pressure of at least 4 Mpa (570 psia), can produce pyrogen-free water using treatment times of 0.05 to 5 seconds or less. The addition of an oxidant, in the form of a gas, a liquid, or a solid, further decreases the required treatment time to less than 0.05 second. The reduction in equipment size achieved with this rapid treatment time allows the utilization of treatment units small enough to be easily transported to remote locations or installed in the restricted space environment existing in ships and submarines.

The invention provides a multifunctional dehumidifying heat pump for a swimming pool, and relates to the technical field of dehumidifying equipment. The technical problems that in the prior art, the air humidity in a natatorium is high, the energy consumption of a dehumidifier is high, the heat recycling rate is low, and the function is single are solved. The dehumidifying heat pump comprises an air circulation assembly, a refrigerant circulation assembly, a first water circulation assembly, a second water circulation assembly and a control assembly, wherein the refrigerant circulation assembly comprises a first heat exchanger, an indoor condenser, a second heat exchanger and an outdoor condenser, wherein the indoor condenser, the second heat exchanger and the outdoor condenser are arranged in parallel, the two water circulation assemblies communicate with the corresponding heat exchangers for heat recovery so as to meet the requirement for hot water in the natatorium, the control assembly can adjust a parallel refrigerant pipeline where only one of the indoor condenser, the second heat exchanger and the outdoor condenser is located to be a passage at the same time, so that the multifunctional dehumidifying heat pump has multiple functions of dehumidifying and heating, dehumidifying and heating water and dehumidifying and refrigerating, and the multifunctional dehumidifying heat pump is used for improving the functional diversity of the dehumidifying heat pump and effectively recovering heat energy.

A boiler has a plurality of inner heat-transfer tubes which makes up an inner heat-transfer tube row, and a plurality of outer heat-transfer tubes which makes up an outer heat-transfer tube row. Inner fins project from each of the inner heat-transfer tubes on an outer circumferential side of the inner heat-transfer tube row. Outer fins project from each of the outer heat-transfer tubes on an inner circumferential side of the outer heat-transfer tube row. An inner row communicating portion is provided in a lower end portion of the inner heat-transfer tube row. An outer row communicating portion is provided in an upper end portion of the outer heat-transfer tube row. An inner-fin absent region is provided in a lower end portion of each of the inner heat-transfer tubes. An outer-fin absent region is provided in a longitudinally middle portion of each of the outer heat-transfer tubes.

To provide a boiler equipped with a water tube group performing heat recovery effectively and having expansion heating surfaces (fins or the like) of high durability, the present invention provides a boiler (1) including: a boiler body (10) having an inner water tube group (20) and an outer water tube group (30) that are arranged in an annular fashion; and a burner (40) arranged at a central portion of the inner water tube group (20), in which: intervals between adjacent inner water tubes constituting the inner water tube group (20) are closed except for portions where a gas flow passage is provided; and stud fins (22 and 32) are provided on a portion of at least one of the inner water tube group (20) and the outer water tube group (30) in a vicinity of the gas flow passage.

This invention is directed to a process for making a methanol product from a synthesis gas (syngas) feed. Preferably, the process uses a reaction system with three reactors. Particular benefits of a three reactor system are provided by arranging each of the reactors in series, with at least one of the reactors being cooled by evaporative cooling.

to drastically reduce energy consumption by reducing the heat load from solar radiated heat during summer and efficiently absorbing solar radiated heat during winter, while suppressing the reduction in light volume inside a room. [Solution] A curtain wall structure is provided wherein: a plurality of louver units (1, 1...) are arranged at prescribed intervals in a horizontal direction on the outside of a curtain wall panel (CWP); each louver unit (1) has two sheets of glass (5, 6) arranged inside a frame, with an air layer (7) disposed therebetween; two porous panels (8, 9) with a plurality of holes are arranged inside the air layer (7) at intervals and parallel to the two sheets of glass (5, 6); the surface of each porous panel (8, 9) on one sheet of glass (5) side is colored a whitish color and the surface on the other sheet of glass (6) side is colored blackish; air communication ports (2b, 3b) that communicate between the air layer and the louver unit exterior are each disposed on the top and bottom end of the surface on the one sheet of glass (5) side, and the curtain wall structu.

The invention discloses a vertical sludge dryer. The vertical sludge dryer comprises a sealing cap, a tower body, a fixed hot tray, a steam main pipe, a draught fan, a driving device, a rotary arm and a heat recovery boiler, and further comprises a cyclone separator, a plasma dust remover and an activated carbon absorber which are connected sequentially. The vertical sludge dryer is characterized in that the driving device is arranged at the bottom of the tower body and connected with a spindle through a coupler; the rotary arm is mounted on the spindle; a half arm of the rotary arm is fan-shaped; symmetric pull rods are arranged on the rotary arm; the fixed hot tray is semicircular, and communicated with the steam main pipe through a pipe; a conical distributor is arranged at the upper part of the tower body. The vertical sludge dryer is provided with the device for efficiently recovering heat energy, processing waste gases and deodorizing with high automation degree, and utilizes the waste heat to indirectly heat, thereby improving the energy utilization rate, further reducing the moisture content of the sludge and effectively avoiding secondary pollution of the waste gases.

The embodiment of the invention discloses a high-efficiency air compressor heat recovery system. The system comprises a first compressor, a first heat exchanger, a second compressor, a second heat exchanger, a third compressor, a third heat exchanger, a first three-way valve, a fourth heat exchanger, a second three-way valve, a fifth heat exchanger, a heat preserving water tank, a first drying tower, a second drying tower, a first valve, a second valve, a third valve, a fourth valve, a fifth valve, a sixth valve, a first connecting branch, a seventh valve and an eighth valve. By means of the high-efficiency air compressor heat recovery system disclosed by the embodiment of the invention, the heat recovery can be effectively carried out.

A heat exchanger plate for a plate heat exchanger (12) includes a first side, a second side and a centre point (P) through which an imaginary centre axis (A) extends in a direction perpendicular to a plane of the plate. The plate comprises a first port for a first medium, and at least a second port and a third port for a second medium. The plate further comprises a first sealing arranged on the second side around the first port, a second sealing arranged on the second side at a circumference of the plate, and a closed third sealing arranged between the first and second sealings to form a first heat transfer area and a second heat transfer area separated from the first heat transfer area. The second port is arranged in the first heat transfer area and the third port is arranged in the second heat transfer area.

A selective hydrogenation method is particularly effective in selectively hydrogenating alkynyl compounds, such as acetylene or methyl acetylene, over alkenyl compounds, such as ethylene. The method produces a relatively high quantity of heat during the selective hydrogenation reaction. This production of heat is, however, quite beneficial in that enough heat is produced such that a substantial portion of the produced heat can be recovered for heat efficiency purposes.

The invention relates to a heat energy recovery system for sludge drying tail gas of a sludge drying incineration plant, in particular to a heat energy recovery system for the sludge drying tail gas of a paddle dryer, which is used for recovering heat of tail gas generated in the drying process of sludge in the paddle dryer by utilizing a two-phase closed thermosiphon and a use method of the heat energy recovery system. When the system runs, the sludge is dried, gas enters the evaporation section of a heat pipe under the action of an induced draft fan, through heat exchange with a working medium in the heat pipe, a large amount of heat released by the tail gas is transferred to the working medium in the heat pipe due to the efficient heat transfer performance of the heat pipe, so that the working medium in the heat pipe is subjected to phase change and ascends to be transferred to the condensation section of the heat pipe and exchange heat with fresh air entering the heat pipe through the induced draft fan; and after heat is transferred to the fresh air, the working medium is liquefied and enters the evaporation section again under the action of gravity, and the working medium circulates in the heat pipe to complete waste heat utilization of the sludge drying tail gas.

The invention discloses a high-efficiency catalytic oxidation device. The high-efficiency catalytic oxidation device comprises a heat exchanger, a catalytic tank and a filter, wherein one end of the filter is a waste gas inlet end, and the other end of the filter is connected with a fan through a first pipe; the fan is connected with the inlet end of the heat exchanger through a second pipe; the outlet end of the heat exchanger is communicated with the catalytic tank through a third pipe; a combustion chamber and a catalytic bed are arranged inside the catalytic tank; a combustor is arranged inside the combustion chamber; the catalytic tank is connected with the heat exchanger; the catalytic bed is arranged on one side of the combustion chamber; the heat exchanger is further connected witha discharge pipe. The high-efficiency catalytic oxidation device is novel in structure design, has the advantages of low wind resistance, high efficiency and high temperature resistance, and improvesthe waste gas treatment efficiency.

The invention relates to a multifunctional heat recovery heat exchanger and a running method thereof, and belongs to the technical field of heat recovery. The heat exchanger comprises an exhaust air side heat exchanger body, an inlet air side heat exchanger body, two circulating pumps and four three-way valves; the inlet air side heat exchanger body and the exhaust air side heat exchanger body each comprise a spraying assembly, a heat exchange coil and a liquid storage groove; the first three-way valve is installed on an inlet pipe of the inlet air side heat exchanger body, the second three-way valve is installed on an outlet pipe of the inlet air side heat exchanger body, the third three-way valve is installed on an inlet pipe of the exhaust air side heat exchanger body, and the fourth three-way valve is installed on an outlet pipe of the exhaust air side heat exchanger body. A pure sensible heat exchange mode, a spraying heat exchange mode, an air-conditioner heat recovery summer running mode, an air-conditioner heat recovery winter running mode and a simultaneous heat and humidity adjusting mode can be achieved through reversing of the three-way valves and on or off of the circulating pumps. As the multifunctional heat recovery heat exchanger and the running method are wide in application field and high in heat recovery efficiency, air-conditioner loads can be effectively reduced, and an important role can be played in energy saving, emission reduction and environmental protection.