50results about How to "Increase the evaporation surface area" patented technology

The invention discloses a plate-pipe composite heat-exchange-type evaporative condenser. The plate-pipe composite heat-exchange-type evaporative condenser comprises a fan, a water pump, a water distributor, and a water collection pond and further comprises a plate-pipe composite heat exchanger composed of connection among multiple plate-pipe composite heat-exchange sheets, a water inlet header and a water outlet header. The plate-pipe composite heat-exchange sheets comprise heat-transfer plate sheets and coil pipes formed by machining of a heat exchange pipe. Placement grooves are arranged in the heat-transfer plate sheets and matched with the coil pipes in terms of shapes. The coil pipes are arranged in the placement grooves. Heat conduction bonding layers are filled with the gaps between the coil pipes and the placement grooves. Compared with the prior art, the plate-pipe composite heat-exchange-type evaporative condenser has following beneficial effects: the heat conduction bonding layer enables the heat transfer plate sheets to be in full contact with the coil pipes such that the coil pipes have the finned effect through the heat transfer plate sheets and the effective heat exchange area can be effectively increased; the heat transfer plate sheets can introduce cooling water to form a continuous waterflow surface and increases the evaporation area of cooling water; and with an increased effective heat exchange area and an evaporation area of cooling water, heat exchange efficiency is raised and size of a condenser can be reduced.

The invention discloses a coal slurry dewatering and drying device and method. The device comprises a drying room and a coal slurry conveying device, a warm air machine and a negative pressure fan which are arranged inside the drying room. The coal slurry conveying device comprises a plurality of conveying belts arranged in a zigzag manner from top to bottom. A vibration feeder is arranged above the coal slurry inlet end of the uppermost conveying belt of the coal slurry conveying device. A feeding sealing door is formed in the top of the drying room. A discharging hopper is arranged below the coal slurry outlet end of the bottommost conveying belt of the coal slurry conveying device. A discharging sealing door is formed in the bottom of the drying room. The negative pressure fan and a warm air to atmosphere gate are arranged at the upper portion of the drying room. The hot air machine, a hot water inlet and outlet and the like are arranged at the lower portion of the drying room. The warm air to atmosphere gate is formed in the side wall of the upper portion of the drying room. The invention further discloses the coal slurry dewatering and drying method applied to the device. The device and method have the beneficial effects of saving energy and being environment-friendly, efficient, low in drying temperature, high in speed and efficiency, simple in structure and small in occupied area.

The invention discloses a hot air penetrating outer circulation type coal sample dehumidifying device. The hot air penetrating outer circulation type coal sample dehumidifying device comprises a box, a controller, a fan, a partition plate and a gas heater, wherein the fan, the partition plate and the gas heater are arranged in the closed box. The partition plate divides the box into an upper cavity and a lower cavity, the top or the side of the upper cavity is provided with an air outlet, the bottom or the side of the lower cavity is provided with an air inlet, the fan is located at the position inside the upper cavity close to the air outlet, and the gas heater is located in the lower cavity. More than one coal sample disc for accommodating coal samples is placed on the partition plate, the bottom of each coal sample disc is provided with more than one ventilation hole, and a coal sample support for collecting falling samples is arranged below the coal sample disc. The hot air penetrating outer circulation type coal sample dehumidifying device has the advantages of being simple in structure, convenient to operate, high in dehumidifying efficiency, low in energy consumption and capable of improving sample preparation accuracy and the like.

The invention discloses a micro-combustor for metal mesh heat storage and flame stabilization and a combustion method thereof. The micro-combustor for the metal mesh heat storage and flame stabilization comprises a combustor outer barrel and an igniter arranged in the combustor outer barrel; a combustor comprises a hollow blunt body, a multi-hole medium disc and a metal mesh, wherein the longitudinal section of the hollow blunt body is in the shape of an inverted triangle, the multi-hole medium disc is arranged on the hollow blunt body, the metal mesh is arranged on the multi-hole medium disc, and the bottom of the hollow blunt body is connected with a fuel channel. By means of the multi-hole medium disc, it is guaranteed that fuel is dispersed evenly, the superficial area of the fuel is increased, and the evaporation rate is sped up. A high temperature low-velocity backflow zone is formed near an outlet of the hollow blunt body, the dwell time of the fuel is increased, the metal mesh is taken as a heat storage medium and has the functions of absorbing heat and releasing heat, and the flame temperature can be maintained at a certain level; compared with other combustors, by means of the micro-combustor for the metal mesh heat storage and flame stabilization, a flame can be made to be attached to the metal mesh stably, sharply swing or up and down fluctuation of the flame does not occur along with changes of working conditions, and the stability of combustion of liquid hydrocarbon under micro scale is greatly promoted.

The invention discloses a method for increasing a salt field solarizing and evaporating rate by hydrophilic modified spheres. The method is characterized in that polymer spheres with different particle diameters are added into an evaporating tank filled with sodium chloride solutions of different concentrations, so that the spheres have different area proportions on solution evaporating surfaces;a salt field solarizing and evaporating test is stimulated by regulating air speed of a fan and an irradiation temperature of a solar lamp, and the evaporating rate is calculated through a formula. According to the results, under different conditions, the solution evaporating rate is greatly increased. By applying the method to salt field solarizing and evaporating, the salt field evaporating andvaporizing surface area can be effectively increased, and therefore, the evaporating rate can be increased, the site area for the salt field is reduced, the production period is shortened, the yield is increased, and has very important practical guiding significance.

The invention relates to a water vapor generating device and method for SCR denitration catalyst performance detection, and belongs to the field of performance detection and evaluation of SCR denitration catalysts. How to quickly prepare water vapor and achieve good mixing of the water vapor and gas from a gas distribution system becomes an important part in the design of a denitration catalyst performance detection test stand. The water vapor generating device is characterized by comprising an intelligent temperature-controlled electric heating furnace system, a high-temperature evaporator system and a water vapor exporting system, wherein the high-temperature evaporator system comprises a high-temperature evaporator frame plate, a capillary burette fixing block, a capillary burette, a high-temperature evaporator body, a heat storage evaporation body, a packing tank and an air flow uniform distribution plate; an inlet of the capillary burette is exposed outside the high-temperature evaporator body, the heat storage evaporation body, the packing tank and the air flow uniform distribution plate are all fixed in an evaporation cavity of the high-temperature evaporator body, and the capillary burette is located directly above the heat storage evaporation body. The water vapor generating device and method for the SCR denitration catalyst performance detection have the advantages that the structural design is reasonable, the evaporation rate is fast, and the mixing effect is good.

The present invention relates to one kind of evaporating heat exchanger for air conditioner and other refrigerating equipment and aims at solving the problems of low heat efficiency and short servicelife of heat exchanger. The present invention includes blower, water sprayer, heat dissipating metal sheet, metal pipe passed through and fixed to the heat dissipating sheet, and non-woven cloth on the outer surface of the heat dissipating sheet. It has the advantages of high heat efficiency, large evaporation area, low power consumption, etc. and can make air conditioner and other refrigerating system run at low-pressure difference and low power consumption of compressor. The surface of the heat exchanger can maintain moisture for long time and the water sprayer may run intermittently.

The invention discloses a cold-and-hot water unit with plate-pipe composite heat-exchange evaporative condenser. The cold-and-hot water unit comprises an air compressor, an evaporative condenser, a throttling device and an evaporator. The evaporative condenser comprises a fan, a water pump, a water distributor and a water collecting pond and further comprises a plate-pipe composite heat exchanger formed by connection of multiple plate-pipe composite heat-exchange sheets through a water inlet collection pipe and a water outlet collection pipe. The plate-pipe composite heat-exchange sheets comprise heat-transfer plate sheets and coil pipes formed by machining of heat-exchange pipes. The heat-transfer plate sheets are provided with placing grooves. The shapes of the placing grooves are matched with shapes of the coil pipes. The coil pipes are placed in the placing grooves. The gaps between the coil pipes and the placing grooves are filled with heat-conducting bonding layers. The cold-and-hot water unit with the plate-pipe composite heat-exchange evaporative condenser has following beneficial effects: the heat-conducting bonding layers enable the heat-transfer plate sheets to be in fully contact with the coil pipes such that the heat-exchange area is effectively enlarged; the heat-transfer plate sheets can drain cooling water to form a continuous waterflow surface; the evaporation superficial area of cooling water is enlarged; and heat transfer efficiency is increased while the size of the condenser is reduced.

The invention discloses a high-efficiency coil type heat exchange evaporator which comprises a hollow cylinder body; a tubular rotating shaft is installed in the center of the cylinder body, and the tubular rotating shaft is rotated by a variable frequency driving device. The upper and lower ends of the tubular rotating shaft are respectively provided with rotary joints communicating with the external fixed water pipe, and blocking plates are installed at the upper and lower ends of the tubular rotating shaft tube; a set of rotary vane device and a rotary tube device are respectively installedabove and below the tubular rotating shaft in the cylinder body, and the rotary tube device and the rotary vane device rotate together with the tubular rotating shaft; a liquid inlet pipe is radiallymounted on the inner wall of the cylinder between the rotary tube device and the rotary vane device, and an outlet pipe for evaporating gas is disposed at the top of the cylindrical body, and an insulating layer is further disposed outside the cylinder. The invention has high evaporation efficiency, high liquid cooling efficiency, low consumables, compact and reasonable structure, small volume ofthe same capacity equipment, especially the gas after heat exchange is dehydrated, and the discharged gas has no droplets or droplets.

This invention relates to an atomized drying machine with vibrating inert medium, in which, the tower of which is a cylindrical drum, a fluid pipe and a pressure nozzle are mounted on top of inside of the drum, a hot air port is opened at the bottom of the drum and a discharge port is opened on the top characterizing the up and down ends of the drum are conic structure, two titled vibration motors in opposite direction are set at both sides of the drum, an isolation net is set at the lower taper drum with inert medium on it, which applies a double-vibration motor to avoid materials adhered on the wall and adds inert gas to increase drying degree and speed up the drying speed.

The invention provides a brake heat-radiating and cooling device. The brake heat-radiating and cooling device comprises a first water spraying pipeline, a first atomizing nozzle, a compressing and cooling device, a water pump and a water tank; the water tank, the water pump, the compressing and cooling device and an inlet of the first water spraying pipeline are in communication with each other via pipelines in sequence; the water tank, the water pump and the compressing and cooling device are all positioned on a frame; the water pump and the compressing and cooling device are electrically connected with a power supply device; the first water spraying pipeline extends from the frame to the middle position of a wheel; the first atomizing nozzle is mounted in an outlet of the first water spraying pipeline; the compressing and cooling device cools the water and changes the liquid water into spray water by using the first atomizing nozzle to spray the spray water to a wheel hub to reduce the temperature of the wheel hub; due to the principle of heat conduction, the temperature of a brake pad can also be reduced, the safety and reliability of a brake are guaranteed and the water is saved; and as the evaporation velocity of the spray water is higher, the heat-radiating and cooling speed is further increased.

The invention discloses a plate-pipe composite heat-exchange fin. The plate-pipe composite heat-exchange fin comprises a coil pipe formed by machining of a heat exchange pipe and further comprises a heat transfer plate sheet. A placement groove is arranged in the heat transfer plate sheet. The shape of the placement groove is matched with that of the coil pipe. The coil pipe is placed in the placement groove. A gap between the coil pipe and the placement groove is filled with a heat conduction bonding layer. The invention further discloses a manufacturing method for the plate-pipe composite heat-exchange fin.Compared with the prior art, the plate-pipe composite heat-exchange fin has following beneficial effects: the heat conduction bonding layer enables the heat transfer plate sheet to be in full contact with the coil pipe such that the coil pipe has the finned effect through the heat transfer plate sheet and the effective heat exchange area can be effectively increased; the heat transfer plate sheet can introduce cooling water to form a continuous waterflow surface and increases the evaporation area of cooling water; and with an increased effective heat exchange area and an evaporation area of cooling water, heat exchange efficiency is raised and size of a condenser can be reduced.

The invention relates to a miniature liquid fuel combusting device, and discloses a cylindrical porous jetting-type miniature liquid combustor. The cylindrical porous jetting-type miniature liquid combustor comprises a combustion chamber, an upper sealing plate, a lower sealing plate and an air inlet pipeline, the upper sealing plate and the lower sealing plate are used for sealing the combustionchamber, the combustion chamber is provided with a first air inlet and a second air exhaust, and one end of the air inlet pipeline penetrates through the first air inlet and extends into the combustion chamber; the combustion chamber is internally provided with a feeding pipeline and a cumbustor body, one end of the feeding pipeline is located inside the combustor body, the bottom of the combustorbody is connected with the middle of the feeding pipeline, and the other end of the feeding pipeline penetrates through the lower sealing plate. The invention further provides a combustion method ofthe cylindrical porous jetting-type miniature liquid fuel combustor. The miniature liquid fuel combustor and the combustion method thereof have the advantages that the superficial area of liquid fuelis increased, so that the liquid fuel is sufficiently mixed with air, and meanwhile, evaporation of the liquid fuel is accelerated at the same time so that combustion can be stably and efficiently conducted.

The invention relates to a car accessory drying device. The car accessory drying device comprises a frame, wherein an annular electric heating plate is arranged in the frame, a main telescopic rod anda tray are arranged in a groove, the main telescopic rod is connected with the tray and the frame, a first support rod and a second support rod are fixed to both horizontal sides of the frame, the first support rod is located on the upper part of the frame, a rotating arm is movably connected to the first support rod, the rotating arm can be opened and closed, the rotating arm is used for dehumidifying a car accessory, a secondary telescopic rod is arranged on the second support rod, and a transverse block which is used for dehumidifying the car accessory is arranged on the secondary telescopic rod. By using the car accessory drying device, the defect of drying the surface of the accessory in the prior art is overcome, and the problems of no treatment of water drops before drying, watermarks after drying and low drying efficiency in the prior art are solved.