112results about How to "Act as a spoiler" patented technology

The invention discloses a turbulence device for a postcombustion chamber of a hybrid rocket engine, which is suitable for ground heat run test of the hybrid rocket engine, is applied to a central single-channel hybrid rocket engine, but is not limited by specific propellant forms. The turbulence device comprises a combustion chamber component, a spoiler component, a spoiler postcombustion chamber component, a sealing and connecting component and a spray pipe component. The spoiler component and the spoiler postcombustion chamber component are combined into a whole so as to be connected with the spray pipe component through the sealing and connecting component and the spoiler postcombustion chamber component. The spoiler component consists of an internal metal spoiler and an external heat insulating structure, and spoiling holes are uniformly distributed in a circle taking the axis of the engine as the center. The spoiler component is used for realizing the turbulence function in gas in the central area, requirements on structural strength and thermal protection of the turbulence device can be satisfied during the working process of the engine, all the components are connected through a stepped fold line mode and O-shaped sealing ring connection, so that the requirements on airtightness and thermal protection are ensured during the working of the engine.

The invention provides a flue gas cleaning system capable of switching a pollutant desorption technology and an adsorbent regeneration technology. The system comprises two or more fixed bed reactors, a regenerative heating device which is used for adsorbent regeneration, and a to-be-cleaned flue gas valve and a flue gas cleaning valve which are used for controlling switching between the pollutant desorption technology and the adsorbent regeneration technology, wherein each of the fixed bed reactor is internally provided with a central tube connected with a flue gas inlet, as well as a first adsorption layer and a second adsorption layer which are used for cleaning flue gas and arranged on the outer side of the central tube; and the upper end of the central tube is connected with a flue gas outlet. The invention further discloses a flue gas cleaning method using the system. The system can be used for performing the flue gas pollutant desorption technology and the adsorbent regeneration technology in one fixed bed reactor, and achieve the switching between the pollutant desorption technology and the adsorbent regeneration technology in the different fixed bed reactors.

The invention belongs to the technical field of agricultural product machining, and particularly relates to hot air and vacuum pulsation combined drying method and equipment based on temperature and humidity control. The invention aims to provide the hot air and vacuum pulsation combined drying equipment based on the temperature and humidity control, so that the problems of an existing hot air andvacuum combined drying technology that during the hot air drying stage hot, the hot air circulation mode is not scientific, the waste gas discharge is not reasonable, the hot air convection heat exchange effect is poor, the material drying is not uniform, the heating rate is low, the drying efficiency is easily influenced by the pressure operation mode in the vacuum drying stage and the like aresolved. The equipment comprises a circulating hot air drying system, a combined drying machine body, a pulsating vacuum generation system, a vacuum heating system and an automatic control system. According to the method and the equipment, the machining efficiency of the hot air vacuum combined drying technology can be remarkably improved, and the machining energy consumption is reduced.

The invention provides a strengthened heat exchange tube comprising a heat exchange tube and a strap-type metal slice, wherein one surface of the strap-type metal slice is a smooth plane, and the other surface of the strap-type metal slice obtains a super hydrophobic surface by advanced manufacturing methods, such as precise rolling, chemical, electrochemical methods and the like; the super hydrophobic surface is burr bulge with a micro-nano structure; the strap-type metal slice is tightly and spirally coiled on the outer surface of the heat exchange tube; the smooth surface of the strap-type metal slice and the outer surface of the heat exchange tube are tightly laminated, and the coiled strap-type metal slice is fixed on the heat exchange tube; before the strap-type metal slice is coiled, the outer surface of the heat exchange tube is covered with heat conduction filler, and the strap-type metal slice is coiled and fixed on the heat exchange tube covered with heat conduction filler. The heat transfer tube of the invention has simple production, convenient installation, favorable adaptability and small possibility of scaling and has the effect on strengthening heat transfer.

The invention discloses fins for a serial fin type heat exchanger. A fin body between pipe holes is provided with a first disturbance protrusion, thereby improving the rigidity of the fin body and playing a disturbance role in media which flow through the surface of the fin body, and turbulent heat transfer is arisen so as to ensure that the surface heat transfer coefficient of the fins is greatly improved. But at the same time, large numbers of medium vortex turbulent flow clusters are formed so as to increase the pressure loss when the media pass through a core body. The side face of the first disturbance protrusion is provided with a notch which is communicated with both sides of the fin body so as to ensure that partial media enter the other side of the fin body through the notch, thereby solving the technical problem of the vortex turbulent flow clusters and further improving the heat exchange efficiency of the fins.

The invention discloses a novel micro-channel heat exchanger which comprises a first header pipe, a second header pipe and a heat exchange assembly communicated with the first header pipe and the second header pipe. The heat exchange assembly comprises a plurality of heat exchange units. Each heat exchange unit comprises two heat exchange pieces which are in butt joint to form a whole, wherein concave grooves are formed in butt joint faces of the two heat exchange pieces, and after the butt joint faces of the two heat exchange pieces are in butt joint, the butt joint concave grooves form a fluid channel. Each fluid channel comprises an inlet channel, an outlet channel and multiple middle channels enabling the inlet channel to be communicated with the outlet channel. Each heat exchange piece is further provided with multiple fins formed between two adjacent middle channels and formed by multiple ventilating slots distributed in columns in the length direction of the middle channels, and auxiliary fins are further arranged in the ventilating slots. The fins and circulating channels are arranged on the same level, gas needing heat exchange is fed in perpendicular to the heat exchange pieces, heat exchange is carried out on gas and fluid in the middle channels through the ventilating slots in a multidirectional mode, and therefore sufficient heat exchange is achieved. The heat exchange efficiency of the heat exchanger is high.

The invention provides a self-cleaning control method, a self-cleaning control device, an air conditioner and a storage medium. The self-cleaning control method comprises the following steps: acquiring state information of a humidifying state, and detecting whether state information is matched with a preset cleaning condition or not; and if the detected state information is matched with the presetcleaning condition, triggering to start a cleaning part to operate, thereby performing cleaning operation on a water storage tank. The steps of the self-cleaning control method are reasonably set, sothat clean operation can be performed on the water storage tank to clear dirt and impurities inside the water storage box, and therefore, the self-cleaning purpose of the humidifying device is realized, cleanliness of the water storage box is favorably improved, clean and sanitary liquid storage requirements needed when an air conditioner performs a humidifying mode are met, and safety in a usingprocess of the user is favorably improved while the humidifying device is guaranteed to normally operate.

The invention provides a multi-conic cyclone assembly. The multi-conic cyclone assembly comprises a multi-conic body, a cyclone tube and multiple spoilers; the multi-conic body comprises a conic body of which the section is shaped like a cone and multiple cone-shaped inner cavities formed in the conic body, a dust inlet is formed in the inner wall of one end of each cone-shaped inner cavity, and the other end of each cone-shaped inner cavity is provided with a dust outlet; the cyclone tube comprises an end cover and multiple air outlet pipes, the end cover is installed on the multi-conic body, and each air outlet pipe is arranged at the corresponding dust inlet in a penetrating mode and located in the corresponding cone-shaped inner cavity; the spoilers are installed in the air outlet pipes respectively. When a dust collector works, an air flow enters the multi-conic body through the dust inlets to form a cyclone, dust is pushed by the centrifugal force produced by the cyclone along the cone-shaped inner cavities, the spoilers can play the spoiler role in the air outlet pipes, the cyclone is disordered or disappear, the cyclone is prevented from pushing the dust to the direction of the air outlet pipes, the filtering capacity is improved, and the property of the dust collector is improved. The invention further provides the dust collector and a dust cup device thereof.

The invention discloses a micro-channel heat exchanger. The micro-channel heat exchanger comprises a first fluid collecting pipe, a second fluid collecting pipe and a heat exchange assembly, wherein the heat exchange assembly is communicated with the first fluid collecting pipe and the second fluid collecting pipe; the heat exchange assembly comprises a plurality of heat exchange units; the heat exchange units comprise two heat exchange fins which are butted integrally; sunken grooves are formed in butted surfaces of the heat exchange fins; after the butted surfaces of the two heat exchange fins are butted, the butted sunken grooves form fluid channels; circulation channels comprise an inlet channel, an outlet channel and a plurality of middle channels; the middle channels are communicated with the inlet channel and the outlet channel; a plurality of semi-encircled fins are also arranged on the heat exchange fins; ventilating slots are formed between paired fins; and the middle channels are formed in semi-encircled spaces of the fins. According to the micro-channel heat exchanger, the fins and the circulation channels are formed in the same layer; fluid required to exchange heat is fed perpendicular to the exchange fins; the fluid flows through the ventilating slots and can exchange heat with the fluids in the middle channels in a multi-directional manner, so that the heat is fully exchanged; and the heat exchanger is high in heat exchange efficiency.

The invention discloses a disturbance type chemical liquid raw material equivalent mixing device. The disturbance type chemical liquid raw material equivalent mixing device comprises a mixing box, anequivalent leaking disc and disturbance plates, wherein the equivalent leaking disc is fixedly arranged at the lower end of an output shaft of a driving motor, and two groups of leaking holes are formed in the equivalent leaking disc; the interior of the mixing box is separated into a filtering cavity and a mixing cavity by the separating plate; the disturbance plates are glidingly arranged at theleft side and right side of a rotary shaft. The disturbance type chemical liquid raw material equivalent mixing device has the advantages that the equivalent feeding can be realized without artificial weighing of feeding amount of chemical raw material, so that the time is shortened, and the labor intensity is decreased; by intermittently feeding material, the poor filtering effect due to overlarge filtering pressure in a filtering tank caused by excessive one-time feeding is avoided, and the filtering tank can be moved up and down, so as to accelerate the filtering speed of the chemical rawmaterial in the filtering tank; the disturbance plates at the two sides are moved to the middle part by the tension of a connecting rod, so that the disturbance function is realized by the disturbanceplates, and the mixing effect is greatly improved; by changing the stirring radius of the stirring rod, the improper stirring is effectively avoided.

The invention relates to a quick release valve built-in diaphragm and a quick release valve. The built-in diaphragm comprises a diaphragm body, wherein a first boss structure is arranged on the upper surface of the diaphragm body; the center of the first boss structure and the center of the diaphragm body coincide; a second boss structure is arranged on the lower surface of the diaphragm body; and the center of the second boss structure and the center of the diaphragm body coincide. Through the adoption of the two surface boss structures of the quick release valve built-in diaphragm, the condition that the diaphragm generates high frequency vibration during high pressure gas impacting is restrained.

The invention discloses a protective gas preheating method and a device for 3D printing. The device comprises a protective cover, and a vacuum preheating cavity arranged in the protective cover; two gas heating channels with the same structure are arranged in the vacuum preheating cavity; gas enters the gas heating channels from an intake port for heating to enter the vacuum preheating cavity, and enters a molding chamber from an exhaust port; and each gas heating channel is divided into two sub channels for gradient heating. The structure increases paths of inert gas entering the vacuum preheating cavity, and uses a gradient heating method for enabling the heated inert gas to be more stable, so that the temperature difference of a laser scanning area and the gas in the molding chamber is reduced; and meanwhile, the secondarily heated inert gas can continuously preheat metal powder on inner surface layers of a molding cylinder and a powder cylinder, so that the temperature difference in the layers and between the layers is largely reduced, the thermal stress is reduced, and the residual stress and deformation in the SLM molding process are reduced.

The present invention relates to the field of sewage treatment, and discloses a sewage composite catalytic oxidation treatment method comprising the simultaneous steps of catalyst catalytic oxidation, photocatalytic oxidation and ozone oxidation, in the catalyst catalytic oxidation step, sewage is introduced into a catalytic oxidation device filled with a catalyst, the catalyst is an element or oxide of titanium, copper, zinc, iron, nickel or manganese and a mixture thereof; in the photocatalytic oxidation step, visible light and ultraviolet light are simultaneously used for irradiation of to-be-treated sewage; in the ozone oxidation step, ozone is introduced into the catalytic oxidation device, and the ratio of ozone fed amount to sewage flow is 1 to 5: 1. The sewage composite catalytic oxidation treatment method uses composite catalytic oxidation method for treatment of the sewage, and has the advantages of high efficiency, low energy consumption, low secondary pollution, adaptation to water quality, concentration and component fluctuations, and the like.

The invention relates to a spring type spoiler of a long-stroke fracturing pump. The spring type spoiler can be used for playing a role in spoiling fracturing fluid and lowering the deposition of solid-phase particles in the fracturing fluid. The technical scheme is as follows: a spring is a cylindrical helical spring with rectangular cross section, the width of the rectangular cross section of the spring along the radial direction of the spring is 4-10 times that of the rectangular cross section of the spring along the axial direction of the spring, and elliptical gaps are formed in the lower ends, close to the external cylindrical surface of the spring, at a mounted position of the spring; the spring is arranged in a pump cylinder, one end of the spring is connected to a valve box by a bolt, and the other end of the spring is connected to the end part of a plunger by a bolt.

The invention discloses a regulation method for high-dryness dehydration of sludge. The method comprises the following steps: sludge in a sludge digestion tank is conveyed to a sludge regulation pool through the gravity action or by a conveying pump, then a ferric chloride solution and quick lime are added into the regulation pool by virtue of a chemicals feeding pump, a mixer is used for mixing through sensing the liquid level, and sludge is fed into a plate and frame filter press from the regulation pool after the regulation is over. The method is a regulation method, based on which sludge and conditioners are mixed uniformly and the sludge mechanical dehydration performance is remarkably improved.

The invention discloses a gynecological and obstetrical postpartum drug fumigation treatment and nursing instrument which comprises a box. A base is fixed onto the lower surface of the box, a bed is mounted on the upper surface of the box, a PLC (programmable logic controller) is mounted at the left end of the front side face of the bed, and an input end of the PLC is electrically connected with an output end of an external power supply. The gynecological and obstetrical postpartum drug fumigation treatment and nursing instrument is simple in structure, fumigation treatment is performed on a patient by the aid of hot steam rich in Chinese medicine ions, a heating seat and a gas hood spray out Chinese medicine steam to omnidirectionally treat the whole body of the patient, a separation net,an exhaust pipe and a baffle plate can achieve a certain turbulent flow function, direct injection of the steam is avoided, heat uniformity of the Chinese medicine steam is ensured, the whole instrument is convenient to use, an upper hood and the bed form a steam hood covering the whole body of the patient, so that the patient can be timely and comprehensively treated, action area is large, permeation effects are good, and a certain inhibition and treatment effect is achieved for gynecological diseases.

The invention relates to a degasser for gas logging based on a semi-permeable membrane and belongs to the technical field of oil and gas exploration. The degasser comprises a housing, a conical spiral oil and gas separator and a transmission device, wherein the housing comprises an outer shell and a partition, the front end of the outer shell is open for allowing drilling fluid to enter, symmetrical liquid-discharging openings are formed in the rear edge at a position where the radius of the outer shell is maximum, and the outer shell is divided into a front cavity and a rear cavity by the partition; the conical spiral oil and gas separator positioned in the front cavity consists of a hollow shaft and three spiral blades; the inside of each spiral blade is hollow, the spiral blade is communicated with a gas collecting chamber in the hollow shaft, embedded membrane structures are densely distributed on the front surface and the rear surface of the spiral blade, and each embedded membrane structure is formed by embedding the semi-permeable membrane in a regularly-hexagonal ring-shaped boss; the conical spiral oil and gas separator is fixedly connected with a rotating shaft, and the other end of the rotating shaft is connected with a speed reducing motor through a coupling, a gas passage inside the rotating shaft is connected with a carrier gas inlet pipe and a sample gas outlet pipe through a sleeve. According to the degasser provided by the invention, the service life of the device can be effectively prolonged, the oil and gas separation efficiency, the gas logging precision and the accuracy are significantly improved, and the work is reliable.

The invention relates to a long stroke fracturing pump turbulator with a dropping and connecting device, the long stroke fracturing pump turbulator with the dropping and connecting device can play a turbulent flow role on fracturing fluid in a long stroke pump cylinder and reduce solid particles deposition in the pump cylinder. According to the technical scheme, the cylindrical helical spring with a rectangular section is arranged in the pump cylinder, one end of the spring is connected with a valve box through a bolt, the other end of the spring is provided with a plug, and the other end of the spring is connected with the plug through a bolt; a socket is fixed to one end portion of a plunger though a bolt; the plug comprises a conical head and a base, the conical head is welded on the base, and the base is fixed to one end portion of the spring through a bolt; the plug comprises guiding awls, a fixing jaw and a base, the shape of the fixing jaw matches with the shape of the conical head, and the fixing jaw is welded on the base; the guiding awls are in a fan shape, the guiding awls are welded to one end portion of the fixing jaw, and at least four guiding awls together define a taper face. The long stroke fracturing pump tabulator with the dropping and connecting device is simple in structure and strong in feasibility.

The invention discloses an efficient domestic sewage treatment device. The efficient domestic sewage treatment device comprises a first pool body and a second pool body. The first pool body is internally provided with a cleaning device. The first pool body is provided with a first conveying pipe. The first conveying pipe is provided with a valve. The other end of the first conveying pipe is communicated with a first pool tank. The first pool body is internally provided with the first pool tank. The first pool tank is provided with multiple second conveying pipes. A pipe orifice of one end of each second conveying pipe is positioned on the surface of the first pool tank. The pipe orifice of the other end of the second conveying pipe is connected with a second air blower. The second air blower is installed in the first pool tank. The efficient domestic sewage treatment device is capable of, through the cleaning device, enabling a precipitation in the first pool tank to be slowly swept toone end of the first pool tank, conveniently cleaning together, and achieving the turbulent flow effect by using a stirring device, thereby enabling liquid in a second pool tank to be continuously flowed, enabling a catalyst to be continuously fused with a water flow, accelerating the catalytic effect, and improving the sewage treatment efficiency.

The invention relates to a flow turbulence paraffin cutting screw rod device for a rod pump well. The flow turbulence paraffin cutting screw rod device includes a plug, a flow turbulence paraffin cutting screw rod, a heating cable, a hollow polished rod and a power supply control cabinet, wherein the flow turbulence paraffin cutting screw rod is arranged in an oil pipe, the lower end of the flow turbulence paraffin cutting screw rod is connected with the plug in a threaded mode, the plug is connected with a sucker rod, and the upper end of the flow turbulence paraffin cutting screw rod is connected with the hollow polished rod by a centralizer coupling; and the flow turbulence paraffin cutting screw rod is connected to be formed by sections of hollow screw rods through the centralizer coupling the surface of each section of the hollow screw rod adopts a spiral curved surface, the heating cable is lowered into the flow turbulence paraffin cutting screw rod from the hollow polished rod,and arranged in the longitudinal direction of the flow turbulence paraffin cutting screw rod, and the heating cable and the power supply control box are connected through power supply lines of the heating cable. According to the flow turbulence paraffin cutting screw rod device, the liquid flow velocity in the oil pipe is changed, precipitation of paraffin molecules is restrained, and if precipitation paraffin on the inner wall of the oil pipe occurs, the precipitation paraffin is cut off in the movement progress of the spiral protrusions on the surface of the flow turbulence paraffin cuttingscrew rod; and if paraffin precipitation is conducted on the surface of the flow turbulence paraffin cutting screw rod, heating removal is conducted by the heating cable.

A heat radiator comprises a plurality of heat radiation fins. Each heat radiation fin comprises a body. The surface of the body of each heat radiation fin extends to form a folded plate. The folded plate firstly extends towards the body of each heat radiation fin and then is bent backwards the body. The folded plates are abutted with the adjacent bodies of the heat radiation fins to assemble the heat radiation fins, therefore, heat radiation areas of the heat radiation fins can be enlarged, and function of turbulent flow can be realized. Besides, time of air flow staying among the heat radiation fins can be prolonged, so that convection coefficient of the air flow is increased, and heat transfer effect is improved. Further, the heat radiation fins are more compactly combined due to the fact that the folded plates and the heat radiation fins are abutted, and stability of the heat radiator is improved.

The invention discloses a high-efficiency industrial mixing apparatus for liquid chemical raw materials. The high-efficiency industrial mixing apparatus comprises a base, a mixing box, a filtering boxand liquid disturbing plates, wherein the mixing box is arranged on the base; the left and right sides of a rotating shaft are slidably provided with the liquid disturbing plates; the liquid disturbing plates and the interior of the mixing box are also slidably connected; second springs are arranged between and connected with the liquid disturbing plates and a fixed rod; and connecting rods are hinged with the inner sides of the liquid disturbing plates, and the other ends of the connecting rods are hinged with stirring rods. The rotating speed of a driving motor is adjusted during stirring and mixing, so centrifugal force is changed; the larger the centrifugal force is, the greater outward sliding distance of the stirring rods is; the greater the outward extending radii of the stirring rods are, the liquid disturbing plates at the two sides are allowed to move toward a middle position under the action of the pulling force of the connecting rods, and the liquid disturbing plates disturb flow, so mixing effect is greatly improved; and at the same time, by changing the stirring radii of the stirring rods, the situation of insufficient stirring can be effectively avoided, and the mixed purity of the mixed chemical raw materials is improved.

The invention discloses an air humidifying device based on an atomization treatment technology and a using method of the air humidifying device, and belongs to the field of air humidification devices.According to the air humidifying device based on the atomization treatment technology and the using method of the air humidifying device, a mixture of liquid medicine and water is sprayed and then can be suspended in air, the misty mixture of the liquid medicine and the water suspended in the air increases the specific surface area of the liquid medicine, the absorption efficiency of a patient isincreased, and the utilization efficiency of the liquid medicine is greatly increased; when a water inlet pipe performs water filling work, a turbulence cover can move in a reciprocating manner in the direction of the water inlet pipe under the combined action of water flow and a first compression spring in a compressed state disturb the liquid water in a mixing chamber, auxiliary treatment of patients with respiratory diseases can be realized by accelerating mixing of the liquid water and the liquid medicine, and besides delaying the deterioration of the patient's condition or relieving thepatient's pain, the air humidifying device may also play an effective positive role in the treatment of the patients.

The invention discloses a hydraulic suspension structure, and aims to provide the hydraulic suspension structure with stronger shock absorption and energy absorption effects and better sealing performance. The structure comprises a bottom plate bracket, a main spring rubber, an upper liquid cavity and a lower liquid cavity. The main spring rubber, the upper liquid cavity and the lower liquid cavity are sequentially arranged from top to bottom. An opening connected with the upper liquid cavity is arranged in the main spring rubber, a protruding strip is arranged in the opening, the protruding strip is arranged on an inner side wall of the main spring rubber in a circumferential direction, a first annular groove is arranged in the bottom of the main spring rubber and formed in the outer sidewall of the main spring rubber, an annular buckle matched with the first annular groove is arranged on an upper edge of the bottom plate bracket, and the annular buckle is in interference fit with the first annular groove. By the adoption of the design, a problem that a dynamic hardening frequency of hydraulic suspension is too low can be solved, a liquid seal percent of pass is increased, and reliability of the hydraulic suspension is effectively improved.

The invention relates to a three-in-one motor control device integrating a speed reducer, a motor and a controller, wherein the speed reducer is fixed at one side end of the motor, and the controller comprises a shell, an IGBT, a thin-film capacitor, a PCBA-circuit board, a three-phase output copper bar, a current sensor assembly, a magnetic ring assembly, a high-voltage bus connector, a high-voltage branching connector and a signal connector. The shell comprises a box cover and a flat box body and is fixed above the motor, the high-voltage bus connector, the high-voltage branching connector and the signal connector are all fixed on the same side wall of the box body, and the IGBT, the thin-film capacitor, the PCBA-circuit board, the three-phase output copper bar, the current sensor assembly and the magnetic ring assembly are all fixed on a bottom plate in the box body, and are distributed in the shell in four rows. Compared with the prior art, the overall structure of the device is flattened, the power density is high, the space in a vehicle can be saved, the overall gravity center of the device can be lowered, and the working stability of the device is improved.

The invention discloses a soybean milk machine. The soybean milk machine comprises a machine head and a barrel body, wherein a control circuit board and an electric motor are arranged in the machine head; the machine head comprises a machine head upper cover and a machine head lower cover; and the lower end of the electric motor transmission shaft of the electric motor extends out of the machine head lower cover and extends into the barrel body, and is provided with a pulping tool. The soybean milk machine is characterized in that: a spoiler is arranged between the machine head lower cover and the inner bottom of the barrel body; a spoiling space is formed in the spoiler; and the pulping tool 4 extends into the spoiling space. The spoiler is arranged between the machine head lower cover and the inner bottom of the barrel body, and comprises two or more spoiling plates and spoiling ribs which are connected to the lower ends of the plurality of spoiling plates. Both the spoiling plates and the spoiling ribs of the spoiler can perform spoiling function, after the spoiling effect is strengthened, the pulping effect is further improved, and the pulping time can be greatly shortened, so that the pulping time is short in the process of producing soybean milk, time and electricity are saved, and high-quality soybean milk with fine and smooth mouthfeel is produced.

The invention provides a low-flow-resistance smoke mixing apparatus, comprising a smoke mixing pipeline; a cold gas charging device and a gas cyclone device are arranged sequentially on the smoke mixing pipeline, wherein a direction of cold gas discharged by the cold gas charging device is perpendicular to a flowing direction of smoke in the smoke mixing pipeline; a gas supply direction of the gas cyclone device is the same as a flowing direction of the smoke in the smoke mixing pipeline. The novel smoke mixing apparatus provided herein enables quick mixing for multiple gas flows herein, the length of a mixing segment of the smoke mixing apparatus is shortened, and equipment investment expense is reduced; the components of smoke at the cross section of an outlet of the apparatus are uniform and have small temperature differences, the apparatus has small system resistance, and operation cost of equipment is reduced.

The invention relates to a demister. The demister comprises a primary demisting device and a secondary demisting device, wherein the primary demisting device consists of a primary demisting drum and aprimary ring cone plate; the secondary demisting device consists of a secondary demisting drum and a secondary ring cone plate; the secondary demisting drum is arranged in a tower body at the lower part of a gas outlet; the secondary ring cone plate is arranged below the secondary ring cone plate; the primary demisting drum is arranged on the outer side of the secondary demisting drum; the bottomof the primary demisting drum extends to be blow the secondary ring cone plate; the primary ring cone plate is arranged below the primary demisting drum; an annular gap is reserved between the primary demisting drum and the primary ring cone plate, as well as between the secondary demisting drum and the secondary ring cone plate; a main body of the primary ring cone plate, as well as a main bodyof the secondary ring cone plate, is of a conical structure of which the middle is high and the periphery is low; a water storage tank is arranged on the outer circumference of the primary ring cone plate, as well as the outer circumference of the secondary ring cone plate; and the water storage tank of the primary ring cone plate is further connected with a downcomer. The two stages of demistingdevices are adopted to realize continuous twice demisting of a gas medium, and the demisting efficiency is effectively improved.

The invention provides a thermoelectric conversion device and system, and belongs to the technical field of thermoelectric conversion. Comprising a heat exchange heat sink shell, a liquid inlet and a liquid outlet are formed in the two ends of the heat exchange heat sink shell in the length direction respectively, and a plurality of rib walls are arranged in the heat exchange heat sink shell; the end where the liquid inlet is located is provided with a first arc-shaped area, and the end where the liquid outlet is located is provided with a second arc-shaped area. The first end, close to the liquid inlet, of each rib wall is bent towards the liquid inlet, and the second end, close to the liquid outlet, of each rib wall is bent towards the liquid outlet. In the plurality of first end parts, the bending radian of the first end part far away from the liquid inlet is greater than that of the first end part close to the liquid inlet; the distance from the first end part far away from the liquid inlet to the first arc-shaped area is smaller than the distance from the first end part close to the liquid inlet to the first arc-shaped area. By using the thermoelectric conversion device and system provided by the invention, the flow resistance of the liquid can be reduced while the heat exchange uniformity and the thermoelectric conversion efficiency are improved.