112results about How to "Help flow" patented technology

The present invention relates to plasma reinforced organic waste cracking method and plasma furnace. The plasma furnace includes furnace body, furnace hearth with material feeding port, plasma torch, bottom slag hole, top exhaust port and at least one gas inlet port connected via gas cylinder via pipeline with valve. The plasma reinforced organic waste cracking method includes the pre-treatment of solid, semi-solid, liquid or gaseous organic waste, high temperature cracking the waste in the plasma furnace of the present invention, re-burning the cracked gas and purifying cracked gas before or after re-burning. The present invention has low power consumption, low cost in apparatus and running, stable and simple operation, and is suitable for treating various kinds of organic waste.

The invention discloses a friction stir welding stir-welding head provided with cutting edges. The friction stir welding stir-welding head mainly comprises a clamping handle (1), a transition cylinder (2), a shaft shoulder (3) and a stir needle (4) which are sequentially connected, and is characterized in that the surface of the stir needle (4) is provided with a plurality of spiral grooves (6) which are axially arranged; the left side of each spiral groove (6) is provided with a plurality of blade grooves (7); a plurality of cutting blades (5) are arranged in each blade groove (7); cutting edges (8) of the plurality of cutting blades (5) in each spiral groove (6) form a spiral cutting edge; and the end surface, which is connected with the stir needle (4), of the shaft shoulder (3) is inwards concave so that plastic materials are favorably stored and redistributed. By adopting the friction stir welding stir-welding head, the fluidity of the plastic materials in the horizontal direction and the vertical direction is enhanced, so that the materials are more fully and uniformly mixed; the mechanical property of a connection area is enhanced; and the welding quality and connection speed of the connection area are greatly improved.

A preparation method of a large-size and fine-grain molybdenum tantalum alloy sputtering target material comprises steps of cold isostatic pressing molding through combination of a steel mold with a rubber plate, sintering, levelling and reshaping, hot isostatic pressing treatment, rolling and machining. The grain size of the produced target material is smaller than 50 microns, the change of the grain size is maintained within 20%, and grains are evenly distributed in the plane direction and the thickness direction of the target material; the relative density of the target material is higher than 97%; besides, the large-size sputtering target material with the length being about 2 m and the width being about 1.3 m can be produced.

The invention discloses a thoracoabdominal alternate pressing type cardio-pulmonary resuscitator which comprises a back plate, a support frame, a left support, a right support and two press devices. The press devices are used for thoracoabdominal-alternate-pressing cardio-pulmonary resuscitation. Telescoping mechanisms used for adjusting the interval between the press devices are arranged between the press devices. The press device used for pressing the chest is fixedly connected to the support frame. The upper ends of the left support and the right support are hinged to two ends of the support frame through hinges respectively. The lower ends of the left support and the right support are fixed with two ends of the back plate through fasteners respectively. The thoracoabdominal alternate pressing type cardio-pulmonary resuscitator belongs to the field of medical instruments, has two additional functions of lifting and pressing abdomens, overcomes the single thoracic-pressing resuscitation mode of existing cardiac resuscitators, promotes returned blood volume, increases cardiac preload and assists in increasing salvage success rate; by thoracoabdominal alternate pressing, flowing of blood towards important organs is facilitated, aortic pressure and central arterial pressure are increased, and blood supply and oxygen supply for the important organs are guaranteed.

The invention discloses a QFN chip comprising a chip body which is provided with a welding pad. The welding pad is provided with multiple transverse tin guide grooves and multiple longitudinal tin guide grooves. The transverse tin guide grooves and the longitudinal tin guide grooves are arranged in a mutual intersection way and mutually communicated. Firstly tin paste is brushed on the welding pad of a circuit board, then the chip body is moved to the circuit board and the welding pad on the chip body and the welding pad on the are adhered together through the tin paste, and then heating is performed and the tin paste is molten and welding can be realized. The welding pad is segmented into multiple small blocks by the transverse tin guide grooves and the longitudinal tin guide grooves in the process so that flowing of the tin paste after heating is facilitated and the cover area of the tin paste on the two welding pads can be increased; meanwhile, the flowing paths can be provided for the tin paste by the transverse tin guide grooves and the longitudinal tin guide grooves so that the welding area and the coverage rate of the tin paste on the two welding pads can be increased, the welding strength can be increased and the welding quality and the product quality can also be effectively enhanced.

The invention provides a scale type micro-fluidic chip for quantitative immediate diagnosis and a preparation method of the scale type micro-fluidic chip. The scale type micro-fluidic chip comprises micro-reaction chambers and micro-channels, wherein the micro-reaction chambers have sample feeding holes and sample discharging holes, openings at one ends of the micro-channels are communicated to external environments, and indicating liquid is locally encapsulated in the micro-channels; scale marks and corresponding numerical values are arranged outside the micro-channels to facilitate the quantitative reading of a detection result, the other ends of the micro-channels are communicated with the micro-reaction chambers through buffer tanks to form complete independent working units, and meanwhile, multiple working units can be arrayed on a chip to realize multichannel detection. The scale type micro-fluidic chip has the advantages of no complex instruments, convenience in carrying, low cost, simplicity and convenience in operation, easiness in reading, multi-target detection, little use amount of sample, sensitivity and the like and can be widely applied to biochemical analysis fields including medical diagnosis, food security, environmental pollution and the like.

The invention provides a temperature control system of an outdoor display and an outdoor cabinet. The temperature control system of the outdoor display comprises a temperature adjusting device and a heat exchange cabinet; in the temperature adjusting device, a cold and hot air preparation machine generates cold air / hot air by refrigerating / heating the air, the cold / hot air is blown into the heat exchange cabinet through an air inlet duct, the air which finishes heat exchange in the heat exchange cabinet is sucked back through a return air duct, and the cold / hot air is blown to the heat exchange cabinet again after the sucked air is refrigerated / heated so as to form an air duct cycle; a display is arranged in the heat exchange cabinet, and an ascending air duct and a descending air duct are formed in the heat exchange cabinet; and the cold air / hot air blown from the air inlet duct finish heat exchange through the ascending air duct and the descending air duct in turn, and are sent backto the cold and hot air preparation machine through the return air duct. The temperature control system can reasonably control the display to work in a normal temperature range and reduce use loss caused by temperature change.

The invention relates to a chemical machinery device, and particularly relates to a compound kettle type reactor. The compound kettle type reactor comprises a stirrer arranged in an inner container, wherein the stirrer comprises a stirring paddle and a stirring shaft which are connected with each other; the stirring shaft is driven by a motor arranged on a kettle body; the stirring paddle comprises an inner sleeve, a hollow straight cylinder and an outer stirring cylinder; the upper end opening of the outer stirring cylinder is integrally connected with the lower end opening of the hollow straight cylinder; the lower end opening of the outer stirring cylinder is a flaring; the inner sleeve is arranged in the outer stirring cylinder; the lower end of the stirring shaft penetrates through the hollow straight cylinder internally, and is fixedly connected with the upper end of the inner sleeve; the upper end opening of the hollow straight cylinder is in interference fit with the stirring shaft; the lower end opening of the inner sleeve is also a flaring, and a clearance with an equal interval is left between the inner sleeve and the outer stirring cylinder; the upper end of the hollow straight cylinder is provided with a drainage hole leading to the clearance. According to the chemical machinery device, the defect of mixing nonuniformity in the prior art is overcome, and the invention provides a stirring reaction kettle which can be used for enabling a reaction liquid to flow in the height direction by mechanical stirring so as to improve the uniform mixing of a reactant.

The invention discloses a device and method for condensing, drying and heating flue gas, in particular to a device and method for recovering and recycling condensed water in the flue gas and meeting the temperature requirement for diffusing pollutants in the flue gas to the upper air. A heat fluid outlet of a high-temperature heat tube heat exchanger of the device is connected with a heat fluid inlet of a low-temperature heat tube heat exchanger; a heat fluid outlet of the low-temperature heat tube heat exchanger is connected with a cold fluid inlet of the high-temperature heat tube heat exchanger. The method comprises the following steps of: introducing wet flue gas into an evaporation section of the high-temperature heat tube heat exchanger; heating a high-temperature heat tube; feedingthe wet flue gas subjected to temperature drop into an evaporation section of the low-temperature heat tube heat exchanger; feeding a coolant medium into the evaporation section of the low-temperature heat tube heat exchanger; reducing the temperature of the wet flue gas to below a dew point of water vapor under the action of the low-temperature heat tube; condensing the water vapor in the wet flue gas into water and discharging the water from a flue gas condensed water outlet; discharging the coolant medium absorbing the heat from a cold fluid outlet of the low-temperature heat tube heat exchanger; and heating the condensed dried flue gas by a high-temperature heat tube and discharging the heated flue gas by a chimney.

The invention relates to a digestive tract liquid biopsy sampling device for internal medicine, and belongs to the field of medical treatment. The device includes a needle tube, needle tube with cap,push rod with cap, push rod with first piston, needle tube with connecting tube, a second one-way valve is arranged on the connecting pipe; the connecting pipe is provided with a cover plate, the cover plate is provided with a liquid accumulation barrel; the needle tube is provided with an intermediate tube, the intermediate pipe is provided with a first one-way valve, the intermediate pipe is provided with a straight pipe, the straight pipe is provided with a T-shaped push rod, the T-shaped push rod is provided with a reset structure; and the reset structure is connected with a blocking cylinder. The blocking cylinder is provided with a sleeve, the sleeve is in threaded connection with the middle pipe; through holes are formed in the blocking cylinder and the sleeve; the T-shaped push rodin the straight pipe moves upwards; the T-shaped push rod drives a connecting rope of the reset structure to move; the connecting rope drives the blocking cylinder to move through the straight rod, drives the solid part of the blocking cylinder to move to the through hole of the sleeve to block the through hole of the sleeve, and conveniently blocks the through hole part of the sleeve after sampling, so that liquid at other parts cannot enter the sampling device when the sleeve moves, the sampling correctness is ensured, and the inspection is more accurate.

The invention discloses a refractory low-carbon magnesium carbon brick, which belongs to the technical field of refractory materials. The refractory low-carbon magnesium carbon brick is prepared fromgradation fused magnesite, graphitizing carbon, kyanite, metal powder, thermosetting resin, a curing agent, a co-solvent, isocyanate and calcium hydrogen carbonate, wherein the graphitizing carbon adopts rice husk as a raw material and is obtained by soaking, freezing, grinding, drying, carbonizing and graphitizing the rice husk, the metal powder is prepared from aluminum powder and iron powder, the co-solvent is prepared from boron oxide, borax and sodium carbonate, and various components are uniformly mixed, poured into a mold, pressed, molded, roasted, cured, and discharged, thus obtainingthe refractory blanket magnesium carbon brick. The refractory low-carbon magnesium carbon brick prepared by the technical scheme of the invention has the characteristics of excellent slag erosion resistance and thermal shock resistance.

The invention relates to the field of starch liquefying processing, and discloses a liquid return device, starch spraying and stewing equipment and a starch liquefying device and method. The liquid return device includes an inner pipe and an outer pipe which are in sealed communication, wherein the inner pipe includes a stretch-in segment arranged inside the outer pipe; a radial gap exists betweenthe outer pipe and the stretch-in segment; a liquid return pipe communicated with the radial gap is arranged on the portion, corresponding to the stretch-in segment, of the outer pipe and can be usedfor introducing first liquid into the radial gap, so that after entering the radial gap, the first liquid is injected into the outer pipe against the inner wall of the outer pipe. Return liquid can flow against the inner wall of the outer pipe, starch paste with high viscosity is transported to enter a subsequent liquefying process, starch is efficiently liquefied, and energy consumption is reduced.

The invention relates to a traditional Chinese medicinal composition for treating pelvic inflammatory diseases and a preparation method of the traditional Chinese medicinal composition. The traditional Chinese medicine is prepared from the following raw materials in parts by weight: herba patriniae, cortex phellodendri, herba taraxaci, fructus forsythia, radix paeoniae rubra, honeysuckle flowers, radix salviae miltiorrhizae, radix angelicae sinensis, flos carthami, peach kernel, rhizoma curcumae, rhizoma sparganii, spina gleditsiae, rhizoma smilacis glabrae, flos chrysanthemi indici, fructus cnidii, cortex dictamni, coix seeds, caulis spatholobi, herba leonuri, radix rubiae and liquorice root. The traditional Chinese medicinal composition provided by the invention has functions of clearing heat and diminishing inflammation, promoting blood circulation and removing stasis; and the entire prescription is strong in efficacy, and the prescription is conducive to circulation of pelvic blood and dredging of meridians and beneficial for improvement of metabolism and enhancement of an immunity function, so that purposes of diminishing inflammation and curing the diseases are achieved.

The invention discloses deep roadway prestress full-anchor supporting construction equipment and a construction method thereof. The deep roadway prestress full-anchor supporting construction equipmentcomprises an anchor bolt for being inserted into a roadway anchor hole, an injection machine for providing primary grout and secondary grout for the anchor bolt, and a pressure maintaining pipeline for being connected with the anchor bolt and the injection machine. The anchor hole is provided with an inner end and an outer end opposite to the inner end, the anchor bolt is coaxially inserted intothe anchor hole, and the anchor bolt is provided with a first end and a second end opposite to the first end. After the anchor bolt is coaxially inserted into the anchor hole, the first end is locatedat the inner end, and the second end is located at the outer end. An injection clearance exists between the periphery of the anchor bolt and the anchor bolt, and the injection clearance at the innerend of the anchor holt is used for allowing the first grout to be injected into, so that the first end of the anchor bolt is anchored; and the injection clearance at the other positions of the anchorhole is used for allowing the secondary grout to be injected into, so that the anchor bolt is anchored in the whole length direction. And a layered grouting manner is adopted, so that the more than 90% of the clearance in the anchor holt is filled with the grout, the compactness is high, and whole-length anchoring of the anchor bolt is achieved.

The invention relates to a feeding device, in particular to a pig feed feeding device with a cooling function for pig raising in animal husbandry. The pig feed feeding device with a cooling function for pig raising in animal husbandry aims at achieving the technical purposes that pig feed can be rapidly cooled and a feed trough can be conveniently cleaned. According to the technical scheme, the pig feed feeding device with a cooling function for pig raising in animal husbandry comprises a mounting plate, a sliding rail, sliding blocks, a feed trough, a handle and the like; the sliding rail isarranged on the right side of the top of the mounting plate, and the sliding blocks are symmetrically and slidably arranged left and right on the left side of the top of the sliding rail. The feed trough can be conveniently cleaned; the feed trough can move left and right under the effect of a first gear and a rack, and then it can be avoided that pig feed accumulates at a certain position when falling into the feed trough; water is sprayed out through a sprayer to flush the feed trough, timely cleaning of the feed trough is beneficial to the healthy development of pigs and prevents pigs' infection caused by bacteria breeding in the feed trough, and thus workers do not need to cool pig feed by holding a stick in hands.

The invention discloses a self-radiating motor. The self-radiating motor comprises a shell, a stator, a rotor and a motor rotation shaft, wherein the shell is provided with an end cover; a fan blade for outwardly sucking air from the interior of the shell is sleeved outside the end cover; the fan blade rotates with the motor rotation shaft; and a heat radiating hole favorable for air to flow out of the shell is arranged on the end cover, corresponding to the position of the fan blade. Therefore, air is actively sucked out from the interior of the motor by the fan blade for outwardly sucking air from the interior of the shell. Compared with the self-radiating motor with the fan blade for blowing air towards the interior of the motor in the prior art, the self-radiating effect is better; heat of the motor can be taken away more quickly to reduce the temperature of the motor, so that the self-radiating motor can be applied to environments with higher temperature, therefore, the application range of the motor is further expanded; and better working performance and longer service life of the motor are also facilitated to be maintained at the same time.

The invention relates to a non-oxide porous diaphragm material for high-temperature batteries. The non-oxide porous diaphragm material for high-temperature batteries comprises TiB2, ZrB2, SiC, ZrC, TiC, BN, AlN, Si3N4, TiN or porous carbon, and the average particle diameter is 2 mu m. The preparation method of the material comprises the following step: carrying out normal-pressure sintering, hot pressed sintering or field-assisted sintering independently on the raw materials of the non-oxide porous diaphragm material or the combination of the raw materials of the non-oxide porous diaphragm material and raw materials of a diaphragm fixing material, thereby obtaining the non-oxide porous diaphragm material. The non-oxide porous diaphragm material provided by the invention has the advantages of stable performance, simple preparation method, low cost and the like, can effectively prevent short-circuiting and enhance the circulation efficiency and number, and can easily implement industrialization.

The invention discloses a joint method of an aluminum pipe fitting and a steel shaft end fitting, wherein the method comprises the following steps: a steel shaft end fitting is processed and molded, wherein the steel shaft end fitting is axially divided into at least two sections of cylinders by a step, the outer diameter of the first section of the cylinder is slightly less than the inner diameter of a hollow aluminum pipe fitting, and the outer diameter of the second section of the cylinder is slightly greater than the outer diameter of the hollow aluminum pipe fitting; the end surface peripheral part of the connection of the second section of the cylinder and the first section of the cylinder is provided with a reducing thin wall in a protruding mode, and the inner diameter of the reducing thin wall increases gradually towards the direction of the first section of the cylinder. A joint fitting of the aluminum pipe fitting and the steel shaft end fitting, which is molded by adopting the method provided by the invention, not only forms plane shallow joint on the end surface of the aluminum pipe fitting and the end surface of the steel shaft end fitting, but also tight match also exists in the joint part of the aluminum pipe fitting and the steel shaft end fitting, thus the joint intensity is creased, and the joint fitting has a firm joint effect.

The invention provides an air door bridge. The two ends of the air door bridge are provided with mechanisms matched with two air doors; the top surfaces of the air door bridge are provided with grooves which are matched with air door rocker arms; and symmetric axes of the grooves intersect with each other relative to a connecting line between the mechanisms, but are not vertical to each other. The invention further provides a top camshaft engine adopting the air door bridge. Due to the adoption of the air door bridge, the height of the engine can be further reduced, and miniaturization of the engine is realized.

The invention discloses high hardness damping rubber. The high hardness damping rubber comprises the following components in parts by weight: 100 parts of raw rubber, 7.8 to 12.2 parts of active protective system, 90.8 to 121.2 parts of reinforcing system and 3.7 to 5.7 parts of vulcanization system, wherein the reinforcing system comprises glyceryl methacrylate. The high-hardness shock damping rubber has the dual effects of plastification and hardness improvement by adding the glyceryl methacrylate in the formula, overcomes the high hardness processing and performance limit value of rubber products, has high hardness (Shore A hardness of 92 degrees), excellent rigidity and mechanical property, relatively good shock absorption effect and long service life; and the obtained rubber productscan be well applied to cushion rubber matched with rail transit gear assemblies. At the same time, the invention also discloses a preparation method of the high hardness damping rubber.

The invention discloses a crucible cover plate for polycrystalline silicon ingot casting. The crucible cover plate comprises a cover plate body; first transitional arc surfaces are formed between the side surfaces of the cover plate body and the upper surface of the cover plate body; second transitional arc surfaces are formed between the side surfaces of the cover plate body and the lower surface of the cover plate body. The crucible cover plate has the advantages of simple structure, high thermal shock resistance, long service life, and high product quality.

The invention provides a novel aluminum alloy fusion casting sampler. The novel aluminum alloy fusion casting sampler comprises a sampling bottom plate, a sampling chamber, a left sampling clip, a right sampling clip and a pouring device, wherein a bottom plate handle is arranged on one side of the sampling bottom plate; a rotating shaft is arranged on the other side of the sampling bottom plate;the left sampling clip and the right sampling clip are rotatably connected to two sides of the sampling bottom plate through the rotating shaft; the bottom parts of the left sampling clip and the right sampling clip both make contact with the top surface of the sampling bottom plate; when the left sampling clip, the right sampling clip and the sampling bottom plate are folded, the sampling chamber is formed, and the pouring device is arranged on the top of the sampling chamber; the pouring device comprises a pouring hole, a filter screen and a filter residue box. According to the novel aluminum alloy fusion casting sampler disclosed by the invention, through the arrangement of the sampling chamber, sample parts to be sampled are smaller, so that materials can be saved and the waste can bereduced; through the arrangement of the left sampling clip and the right sampling clip, the pouring is conveniently carried out, and accidental injury to people is avoided; through the arrangement ofthe filter screen, molten aluminum for performing fusion casting and sampling can be effectively filtered, and the purity of the molten aluminum is improved.

A wire electrical discharge machining (WEDM) method is disclosed, the WEDM method comprising steps of: (a) providing one of a non-conductive and a weakly conductive object having a to-be-cut surface; (b) providing one of a wire and a cutting tool having a cutting blade edge to cut the object along the to-be-cut surface; (c) providing a conductive medium to adhere to the to-be-cut surface via the cutting blade edge; and (d) applying an electric current between the one of the wire and the cutting tool, and the to-be-cut surface adhered to the conductive medium such that the to-be-cut surface is melted.

The invention discloses an energy-saving and environmentally-friendly soil restoration and treatment box. The energy-saving and environmentally-friendly soil restoration and treatment box comprises aleft supporting arm, a right supporting arm, supporting cross rods, a medicament release box, a restoration box and a stirring assembly; the left supporting arm and the right supporting arm are arranged vertically and in parallel; the supporting cross rods are fixedly welded at the upper ends of the left supporting arm and the right supporting arm; the medicament release box is arranged below thesupporting cross rods; and the medicament release box is fixedly connected with the supporting cross rods. The energy-saving and environmentally-friendly soil restoration and treatment box is characterized in that the restoration box is arranged below the medicament release box in parallel; an opening is formed above the restoration box; the stirring assembly is arranged in the restoration box; adischarging port is formed at the middle position of the bottom of the restoration box; and the energy-saving and environmentally-friendly soil restoration and treatment box is reasonable in design, guarantees that the medicament is sprayed uniformly, can avoid waste of medicaments in the soil restoration process, and is energy-saving, environmentally-friendly and suitable for popularizing.

The invention relates to a heat radiating device for a ferrite switch. The heat radiating device comprises heat radiating plates, an air duct cover plate and a fan, wherein the heat radiating plates are positioned at the outer walls of both sides of the ferrite switch; the air duct cover plate is arranged at the outer side of each heat radiating plate and is of an U-shaped structure; the fan is connected with the lower end of an opening at the bottom part of the air duct cover plate; a cavity is formed between the air duct cover plate and the lower end surface of the outer wall of the bottom part of the ferrite switch. The heat radiating device has the advantage that the heat of the high-power ferrite switch can be effectively radiated by implementing the heat radiating device.

A bottle cap including a cover having a front end defining a pair of substantially parallel flanges extending generally perpendicularly from the cover, a deformable panel extending between the flanges, and an opposed rear end defining a pair of body-engaging hinges extending from a portion thereof. The cap includes a body having a top portion defining an outwardly projecting spout at one end and an inwardly projecting cavity at another end that may pivotally receive the body-engaging hinges for rotating the cover about an x-axis relative the body when attached thereto. Pressure applied to the flanges causes the panel to resiliently deform and disengage from the body allowing the cover to transition from a closed position mating the front end of the cover with the top portion of the body for providing a fluid-tight seal therebetween, and an open position retaining the rear end of the cover against the body.

The invention discloses an industrial sewage microfiltration device which comprises a sewage filtration chamber and a power mechanism; the power mechanism is arranged in the center of the top of the sewage filtration chamber; crushing devices are arranged on the two corresponding sides of the top of the inner wall of the sewage filtration chamber; a sewage input pipe is arranged on one side of the top of the surface of each crushing device and located in the sewage filtration chamber; a filtering device is arranged in the sewage filtration chamber and located at the surface position; a connecting spring is arranged at the bottom of the filtering device and close to the top end; and a conical micro-filtering net is fixed to the inner wall of the sewagefiltration chamber, and the bottom end of the conical micro-filtering net extends to the outside of the sewage filtration chamber. The invention relates to the techncial field of sewage treatment equipment. According to the industrial sewage microfiltration device, the rapid filtration effect is achieved, and large-particle impurities can be treated, so that the impact on equipment is reduced, the blockage condition is reduced, the equipment can be protected, the service life of the equipment is prolonged, and the microfiltration efficiency and the use performance are improved.

The invention relates to a warm-keeping and antibacterial garment fabric. The warm-keeping and antibacterial garment fabric comprises a transparent micro-pore polyurethane thin layer (1), a warm-keeping layer (2), an antibacterial fabric layer (3) and a lining layer (4), which are compounded in sequence from outside to inside, wherein the warm-keeping layer (2) is formed by taking yarns formed byintertwining polyester fibers (21) and cotton fibers (34) as warp and weft yarns and interweaving; far infrared ceramic powder particles (22) are arranged on the yarns of the polyester fibers (21). Compared with the prior art, the warm-keeping and antibacterial garment fabric has a good antibacterial and warm-keeping effect; meanwhile, the warm-keeping and antibacterial garment fabric has a good ventilation effect, high wearing comfort and the like.

The invention discloses a plate rolling heat exchange body, a heat exchanger facilitating medium flowing of and a heat exchange method and belongs to the technical field of heat exchangers. The heat exchanger comprises flowing medium inlets, flowing medium outlets, the plate rolling heat exchange body, an intermediate partitioning plate and a heat exchanger shell body. The intermediate partitioning plate is arranged inside the heat exchanger shell body. A plurality of installing holes are formed in the intermediate partitioning plate. The plate rolling heat exchange body is inserted into the mounting holes. The flowing medium inlets communicate with a first transverse plate through hole and a second transverse plate through hole. The flowing medium outlets communicate with through holes in the two sides of the plate rolling heat exchange body. The plate rolling heat exchange body is formed by the step that a flat plate is folded in the position one half of the flat plate and then rolled in the same direction, an annular track m and an annular track n are formed inside the plate rolling heat exchange body, and slender spacing bodies are arranged obliquely on the flat plate. The heat exchange bodies composing one of heat exchanger structures all adopt plate rolling heat exchange body structures, so that arbitrary combination and installing can be conducted according to installing spaces and occasions, processing is simple, and installing and maintenance are convenient.

The invention relates to an indoor unit for an air conditioner. The indoor unit comprises a base plate, a front frame, a front panel, a top surface air absorption grating, a plurality of filters, an indoor heat exchanger, an indoor fan, a fan motor, a vortex tongue and an air deflector, wherein the vortex tongue comprises a vortex tongue frame, a vortex tongue straight wall, a connecting rod and a plurality of blades; and the vortex tongue straight wall has a hollow structure, and a plurality of micropores are formed on the surface facing the outer side of the vortex tongue straight wall. In the indoor unit for the air conditioner, the vortex tongue straight wall is designed in the hollow structure, the plurality of micropores are formed on the outer surface of the vortex tongue straight wall, and when reaching the outer surface, air blown from the indoor fan can pass through the micropores to enter the inside of the vortex tongue straight wall, so that noise caused by the impact of airflow on the vortex tongue straight wall can be reduced substantially. In addition, the outer surface of the vortex tongue straight wall is inclined, so the flowing of the airflow is facilitated; and the shapes of air swirls at the vortex tongue can be changed by a method for changing inclination angles, so that the noise caused by the vortex can be reduced effectively.