274results about How to "Increased flow distance" patented technology

The invention provides a cooking appliance. The cooking appliance comprises a cooker body and an upper cover. The upper cover covers the cooker body; a steam valve is arranged on the upper cover, andthe steam valve covers the upper surface of the upper cover by at least 1 / 2, wherein the cooker body comprises an inner pot and a coil panel which is arranged at the lower side of the inner pot; the inner pot comprises a side wall, a bottom wall and an inner pot arc position which is connected to the sidewall and the bottom wall; the coil panel comprises a panel body and multiple coils which windthe panel body; an accommodating space is defined by the panel body; the inner pot is at least partially located within the accommodating space; and the uppermost coil is located on the 2 / 3 height position of the inner pot arc position or is higher than the 2 / 3 height of the inner pot arc position. According to the cooking appliance provided by the invention, since the large-capacity steam valve is arranged on the upper cover and the uppermost coil is located on the position of no less than the 2 / 3 height of the inner pot arc position, firepower can be increased under a precondition of avoiding spillage, so that the taste of cooked rice is improved.

A filtration device for tank water for aquarium fish having several partitions dividing the casing into several filtration chambers. A removable filtration cartridge is inserted into each filtration chamber. The cartridge has top and bottom panels with perforations formed in the panels to allow water to flow through the cartridge. The partitions are arranged in an alternating pattern. One partition has an opening near the bottom of the casing, and the partition extends to the top of the casing. The next partition does not have an opening near the bottom of the casing and the partition does not reach the top of the casing. This arrangement allows water to flow through the filtration device in a zigzag pattern. The removable cartridges allow individual filter mediums to be replaced without removing all the beneficial bacteria from the system.

A photobioreactor for a large-scale microalgal culture. The photobioreactor includes a plurality of surface-light-source assemblies using a light emitting diode (LED) element, an organic light emitting diode (OLED) element, or a flexible LED sheet as a light source. The surface-light-source assemblies have the shape of a flat plate or a cylinder, are installed at predetermined intervals in the interior space of a reaction tank having the shape of a cube or a cylinder, and emit light for culturing microalgae in an internally illuminated fashion. Here, the surface-light-source assemblies are installed in such a manner that they are alternately in contact with first and second walls of the reaction tank disposed in parallel to each other in a symmetrical shape, and serve as partitions that portion the interior space of the reaction tank and increase a flow distance of gas.

The invention discloses an air port adjustable static pressure box with uniform outlet air, which comprises a static pressure box shell, an air inlet, an air outlet and a silencing material adhered to the inner surface of the static pressure box shell, wherein a hole plate is arranged in the middle of the static pressure box shell and located above the air inlet, a partition plate is arranged below the hole plate, the space in the static pressure box shell is divided into a steady flow region, and an inlet air region and an outlet air region by the hole plate and the partition plate; and a groove is arranged at the bottom of the outlet air region of the static pressure box shell, a vertical flow guiding section is formed by extending a certain distance downwards along the groove, a slot is arranged at one side of the groove, and a regulating plate with a flow guiding arc section is installed on the slot and moves in the vertical flow guiding section through the depth extending into the slot to regulate outlet air amount of the air outlet. Through introducing the partition plate and the hole plate, the flowing distance of air is lengthened, the ratio of dynamical pressure converted to static pressure is increased, the uniformity of the outlet air is enhanced, the operation noise of equipment is reduced, the requirements for outlet air of the seam air inlet are better satisfied, and the application range of a static pressure box is widened.

The invention discloses a plenum chamber capable of achieving balanced ventilation, comprising a chamber body, wherein an air inlet hole is formed in the lateral wall of the chamber body, a pore plate and a clapboard are arranged in the chamber body, a plurality of orifices are formed in the pore plate, the pore plate and the clapboard divide the internal space of the chamber body into three areas, including an air inlet area, a first turbulence area and a second turbulence area; the air inlet hole is formed in the lateral wall of the air inlet area, a vertical air outlet hole is formed in the lateral wall of the first turbulence area, a horizontal air outlet hole is formed in the lateral wall of the second turbulence area; and air enters the air inlet area via the air inlet hole, respectively enters the first turbulence area and the second turbulence are via the pore plate and are respectively sent out from the vertical air outlet hole and the horizontal air outlet hole. According to the invention, wall-attached jetting uniformity in the horizontal direction and the vertical direction can be improved, the capability of outlet airflow in mixing with indoor pollution (hot air) is weakened, and air sending jetting distance is increased, and blowing feeling of sending airflow to persons is reduced.

The invention discloses a thermal barrier coating with a thermal barrier and an anti-CMAS corrosion attachment and a preparation process of the thermal barrier coating. The thermal barrier coating isof a double-layer structure and comprises the anti-CMAS corrosion adhesive layer and a thermal insulating layer. The thickness of the thermal insulating layer close to a base body is 30%-60% of the total thickness of the thermal barrier coating, and the thickness of the anti-CMAS corrosion adhesive layer close to thermal current is 40%-70% of the total thickness of the thermal barrier coating. Thethermal insulating layer and the anti-CMAS corrosion adhesive layer are both formed by stacking sheet layers. The sheet layers of the anti-CMAS corrosion adhesive layer can be peeled layer by layer.In the service process of the coating, by means of the large stacked sheet layers, the permeating path of CMAS is obviously increased, the speed of permeating along surface defects of the CMAS is delayed, and the anti-CMAS corrosion capacity of the coating is improved; and on the other hand, the film thermal mismatch stress generated by the temperature change can trigger local layer peeling of theanti-CMAS corrosion adhesive layer, therefore CMAS sediment adhering to the surface of the thermal barrier coating can be removed so that air film hole blockage caused by deposition, near air film holes, of the CMAS can be removed, and the long-time service stability of aero-engine hot end metal components can be greatly improved.

The invention discloses a cigarette filter tip, which belongs to the field of filter tips. The cigarette filter tip comprises a filter tip bar, wherein the filter tip bar is a solid bar, and the surface of the solid bar is provided with continuous grooves or protrusions. The cigarette filter tip prolongs the flowing distance of cigarette smoke to make the smoke softer, and can properly reduce tar and harm.

The invention discloses a combined machining line body for insulation boards. The combined machining line body comprises a front end conveying belt device, an intermediate conveying belt device, a mortar grouting device, a mortar leveling device, a cement backing output device, a drying device, an insulation board cutting device, a movable transmission device and an insulation board placing frame lifter, wherein the mortar grouting device is arranged on the front end conveying belt device, the mortar leveling device is arranged between the front end conveying belt device and the intermediate conveying belt device, the cement backing output device and the drying device are sequentially arranged on the intermediate conveying belt device from the feeding end to the discharging end, the movable transmission device is arranged at the discharging end of the intermediate conveying belt device, the insulation board cutting device is arranged between the movable transmission device and the intermediate conveying belt device, and the insulation board placing frame lifter is arranged at the bottom of the discharge end of the movable transmission device. The novel insulation board machining equipment provided by the invention is simple in operation and process and high in machining efficiency, and can be used for machining insulation boards with uniform surfaces.

The invention discloses a vertical combustion characteristic experiment device capable of controlling gas environments and side wall structures, and belongs to the technical field of experiment teaching or scientific research apparatus. The vertical combustion characteristic experiment device capable of controlling gas environments and side wall structures comprises an experiment table, an analysis control cabinet, a combustible gas bomb group, and a vacuum pump; the experimental table comprises a combustion chamber, a fixing device of variable side wall structures, a gas homogenizing device,a hot flow sensor, a linear ignition device, and a flue gas collecting device; the analysis control cabinet comprises an operation panel, a gas mixing regulating and controlling system, a gas pressureregulating and controlling system, a hot flow data acquisition device, a flue gas toxicity analysis device, a computer host, a computer display, a mouse, and a keyboard; the operation panel comprisesa power supply switch button, a sudden stop button, a measuring starting button, and an igniting button. The vertical combustion characteristic experiment device is used for measuring of characteristic parameters of vertical arranged combustible matters at different gas environments, under different side wall structure conditions, and is mainly used in fire-fighting teaching and scientific research.

The invention relates to a multistage counter-current rotating rectification bed and especially relates to a liquid distribution and redistribution device for a multistage rotating rectification bed. The multistage counter-current rotating rectification bed solves the problem of distribution of a liquid in a counter-current rotating packed bed, and is composed of tubular and tapered liquid distributors having static liquid distribution effects and dynamic U-shaped and disc-type liquid distributors. The liquid distribution and redistribution device comprises a liquid inlet pipe, a tapered liquid-receiving and distribution device, and U-shaped flat-disc rotating liquid distributor. The liquid distribution and redistribution device is used for a single-stage or multistage counter-current rotating packed bed and can reinforce a gas-liquid transmission process and improve transmission efficiency.

The invention discloses a plasma sterilization bath device comprising a bath device, two heaters, an ozone generation unit, and a controller. The bath device comprises a shower nozzle and a bathtub. The first heater is disposed on a main water supply pipeline. Branches from the upper end of the main water supply pipeline are connected to the shower nozzle and a drain valve of the bathtub respectively. The second heater is disposed at the bottom of the bathtub. The ozone generation unit comprises an air supply device, a plasma generator, an ozone limit valve, and an ozone detector. The controller comprises a liquid crystal display screen, a setting panel and a microprocessor. The ozone detector, the plasma generator and the air supply device are electrically connected with the controller. The controller is further electrically connected with a main power supply circuit. The invention further discloses an ozone adding method for the bathing process using the plasma sterilization bath device. In brief, the plasma sterilization bath device is high in automation level, simple to install, convenient to use, energy efficient, environmentally friendly, and effective in sterilization.

The invention discloses a cigarette incombustible under heating. The cigarette incombustible under heating comprises a cigarette holder section, a filtration section, a tobacco material section and outer wrapping paper, wherein the filtration section comprises a spiral rod, and the periphery of the spiral rod comprises a spiral smoke channel. The spiral smoke channel of the spiral rod greatly increases a smoke flowing distance to make smoke heat from the cigarette holder section of the cigarette dissipated fully, and the taste experience of smoking can be improved.

The invention relates to a pot-type calcinator multi-level series fin type cooling device for coke after high-temperature calcination. The device comprises water inlet pipes, water outlet pipes and a plurality of annular cooling water sleeves and is characterized in that the plurality of cooling water sleeves are overlapped and fixedly connected, the outer wall of the inner side of each of the cooling water sleeves is provided with a plurality of fins, the fins on the cooling water sleeves are arranged into lines correspondingly, each line of the fins is located in the same vertical surface, the water inlet pipe and the water outlet pipe are correspondingly arranged at two ends of each of the cooling water sleeves, and except the water outlet pipe at the top cooling water sleeve and the water inlet pipe at the bottom cooling water sleeve, water inlet pipes and water outlet pipes of adjacent cooling water sleeves, which are located at the same end, are communicated through connecting pipes. The device has the advantages that the heat exchange area is large, coke cooling speed after the high-temperature calcination is fast, the discharge temperature is low, the working is reliable, and the like.

The invention relates to a drip-irrigator assembly. The drip-irrigator assembly comprises a jacket member and a flow slowing member, wherein the flow slowing member is inserted in a socket joint of the jacket member through an entrance of the jacket member and comprises a body, the body is provided with a threaded portion in a winding manner, a helical flow passage is formed on the body, and a plurality of gaps are formed in one end, adjacent to the entrance, of the body and communicate with the flow passage, the socket joint of the jacket member can be inserted into a water pipe, and water in the water pipe enters the helical flow passage through the gaps and then flows out of the jacket member so as to carry out drip irrigation operation; the gaps can be used for preventing impurities from entering the helical flow passage, so as to reduce flow passage blockage; in addition, a water flow path can be prolonged by the helical flow passage, and then, the flow velocity is decelerated; and the flow slowing member can be disassembled from the jacket member, so that when the flow passage is blocked, the flow slowing member can be easily disassembled and cleaned, the replacement cost is reduced, and the convenience in use is improved.

The present invention discloses a dual-square-shaped uniform-section flow rectifier for square column wall face attached-type air supply. The flow rectifier comprises an air inlet pipe and a housing, the housing is a dual-square-shaped tube body with the upper end being sealed, four sides of the tube body are equal in length, the housing sleeves a square column, an inner wall of an inner tube of the housing attaches closely to an outer wall of the square column, a central axis of the air inlet pipe is perpendicular to that of the housing, and 2-6 dual-square-shaped partition plates are horizontally arranged in an axial direction of the housing in the housing and are alternately arranged from top to bottom on an inner wall of an outer tube and an outer wall of the inner tube of the housing, thereby forming a passage whose cross section alternately enlarges and narrows in the axial direction of the hosing in the housing. With adoption of the flow rectifier provided by the present invention, outlet air uniform effects of a dual-square-shaped slot air outlet are raised, the air outlet is vertically downwards, the outlet air hardly mix with the ambient air, effectiveness of square column face attached-type air supply is raised, and the flow rectifier is applicable to large-space buildings and is not restricted in application.

The invention discloses an engine cooling water jacket. The engine cooling water jacket comprises a cylinder block water jacket body, a cylinder head gasket and a cylinder head water jacket body, wherein a water inlet is formed in the front end of the cylinder block water jacket body, water feeding holes are formed around each cylinder, the water feeding hole located at the rearmost end of each cylinder is a main water feeding hole, the cylinder head water jacket body corresponds to the cylinder block water jacket body, a water outlet is formed in the front end of the cylinder head water jacket body, water inlets corresponding to the water feeding holes in position are formed in the cylinder head water jacket body, and the water inlet located at the rearmost end of each cylinder is a main water inlet; the cylinder head gasket is arranged between the cylinder block water jacket body and the cylinder head water jacket body, a plurality of round holes are formed in the length direction of the cylinder head gasket, water passing holes are formed around each round hole, and each water passing hole located at the rearmost end is a main water passing hole; the water passing holes become larger gradually and sequentially from the front end to the rear end, and the size of each main water feeding hole is identical with that of the corresponding main water passing hole and that of the corresponding main water inlet. By the adoption of the engine cooling water jacket, the flowing speed of cooling liquid in the cylinder block water jacket body can be effectively increased, the temperatures of different parts of the cylinder block tend to be consistent, and the service life of an engine is prolonged.

The invention discloses an upper insulating plate of a cylindrical-structured lithium battery. The upper insulating plate of the cylindrical-structured lithium battery comprises an upper insulating plate body, and is characterized in that the upper insulating plate body is arch-shaped, a center hole is formed in the insulating plate body, and a thin film is covered on the top of the center hole; a cylindrical baffle is downwards arranged along the circumferential direction of the center hole, and a plurality of groups of diffusion inclined hole groups are formed from the center hole to the outer rim of the upper insulating plate body in the upper insulating plate body; each group of diffusion inclined hole groups is composed of a plurality of diffusion inclined holes, and the sizes of the diffusion inclined holes increase in sequence from the center hole of the upper insulating plate body to the outer rim of the upper insulating plate body; a guide plate group which is composed of a plurality of guide plates is arranged on the bottom of the upper insulating plate body, and is further arranged on the outer side of the cylindrical baffle, and electrolyte solutions, flowing through the plurality of groups of diffusion inclined hole groups, enters the interior of the battery core of the lithium battery along the guide plate group when in use. The upper insulating plate of the cylindrical-structured lithium battery has the advantages that when electrolyte solution filling is conducted by the cylindrical-structured lithium battery of the upper insulating plate, the absorption of the electrolyte solutions is uniform, and the absorption efficiency is high, so that the absorption problem of the electrolyte solutions on the interior of the battery core of the coiling type cylindrical-structured lithium battery are well improved and solved.

The invention relates to an air-liquid separator, in particular to an air-liquid separator group for a refrigerating system. The air-liquid separator group for the refrigerating system is formed by a liquid storage tank and an air return pipe. The liquid storage tank is a hollow cylinder body with an upper port and a lower port; a filter screen is arranged on a part, which is 50+ / -5cm far away from the upper port; a liquid separation baffle plate is arranged on the lower end of the filter screen; the air return pipe is a circular pipe with a U-shaped structure and is provided with an air inlet port and an air return port; the air inlet port is inserted into the liquid storage tank; a gap with the distance of 10 to 15mm is formed between the liquid storage tank and the liquid separation baffle plate; oil return holes are formed on the air return pipe inserted into the liquid storage tank. According to the air-liquid separator group for the refrigerating system provided by the invention, the air return pipe with the U-shaped structure and liquid separation holes arrayed according to an equiangular circumference array are adopted, so that the phenomenon that a compressor is damaged since a liquid-state refrigerating fluid directly enters the air return pipe can be effectively avoided; besides, the filter screen is designed on the upper end of the liquid storage tank, and the refrigerating fluid returned through an evaporator is firstly filtered through the filter screen, and then enters the compressor through the air return pipe.

The invention relates to the field of a vanadium cell, and particularly relates to a liquid flow frame device for the vanadium cell, and the vanadium cell containing the liquid flow frame device, which can be used for overcoming the defects of low leakage resistance, reliability and stability and the like in a liquid flow frame of the prior art and the defect of low reliability of the traditional vanadium cell. A liquid flow frame which is provided with passageways, liquid openings and liquid holes is adopted in the liquid flow frame device, wherein the liquid openings refer to a liquid inlet opening and a liquid outlet opening; the liquid holes refer to a liquid inlet hole and a liquid outlet hole; a sheet frame I and a sheet frame II are arranged at the two sides of the liquid flow frame in parallel, a rotary liquid flow passageway I and a rotary liquid flow passageway II are respectively arranged on the sheet frame I and the sheet frame II, a structure is centrally and symmetrically arranged between the rotary liquid flow passageway I and a rotary liquid flow passageway II, each rotary liquid flow passageway is an arch passageway which is bended and rotary more than two times, and the arch passageways are distributed at the two sides of the liquid flow frame. The liquid flow frame device provided by the invention has better reliability, stability and higher efficiency. The vanadium cell has high reliability, efficiency and stability.

The invention discloses an annular uniform cross-section flow equalizing apparatus for cylinder wall-attached air supply. The apparatus comprises an air inlet pipe and a housing, and the housing is an annular barrel with the upper end being closed. The housing sleeves a using cylinder, and the inner wall of the inner barrel of the housing is tightly attached to the outer wall of the cylinder. The air inlet pipe is arranged at the upper end of the housing, the central axis of the air inlet pipe is perpendicular to and intersects with the central axis of the housing, and the air inlet pipe is communicated with the interior of the housing. 2-6 annular separator plates are horizontally arranged in the housing along the axial direction of the housing. The annular separator plates are alternatively arranged on the inner wall of the outer barrel and the outer wall of the inner barrel of the housing from up to down, so that a channel whose cross section becomes larger and smaller alternatively is formed in the housing along the axial direction of the housing. According to the invention, the air-out uniform effect of an annular slot air outlet is improved, the air is blown vertically and downwardly, and the blown air is less mixed with the ambient air, so that the effectiveness of the cylinder wall-attached air supply is improved. The flow equalizing apparatus is applicable to large-space buildings, and is not limited by applications.

The invention relates to a water-cooled self-tempering process of a steel pipe. The process includes the following steps of S1, high-temperature slow cooling, wherein the completely austenitized steelpipe is transferred to a supporting wheel set, the supporting wheel set drives the steel pipe to rotate, the steel pipe is air-cooled to 50-100 DEG C below the holding temperature, and the air cooling time is 10-50 s; S2, middle-temperature water rapid cooling, wherein the steel pipe is simultaneously cooled through a steel pipe outer wall water spraying device and a steel pipe inner wall water spraying device, and the steel pipe is cooled to 550-650 DEG C within 5-20 s; and S3, low-temperature cooling, wherein the steel pipe is slowly cooled to room temperature, and self-tempering treatmentis carried out. The invention further discloses a device for the process. The process and the device have the beneficial effects that the steel pipe is rapidly cooled to 550-650 DEG C, fine pearlite can be obtained when the steel pipe is slowly cooled, the strength of the steel pipe is improved, the impact toughness of materials is stabilized, the tensile strength of the materials can reach about700 Mpa, the yield strength can reach 500 Mpa or above, the impact reaches 50 J or above, other performance can meet the high requirements of users, and energy saving and environmental protection areachieved.

The invention relates to the technical field of waste gas treatment, in particular to a light and oxygen catalytic waste gas treatment system, and solves the problem of poor waste gas treatment effectof the waste gas treatment system in the prior art. The light and oxygen catalytic waste gas treatment system has the main technical scheme that the light and oxygen catalytic waste gas treatment system comprises a pretreatment device, a light and oxygen catalytic reaction device and a product collection device, wherein the light and oxygen catalytic reaction device comprises a casing and baffleplates in laminated crossing arrangement; an ultraviolet ray emitter is arranged in a position, right aligned with each baffle plate, on the casing; a reaction passage is formed between the baffle plate and the casing; sulfur dioxide and hydrogen sulfide in the waste gas are removed through the pretreatment device; the waste gas and the bacteria in the waste gas are cracked through the light and oxygen catalytic reaction device; through the product collection device, the generated carbon dioxide is collected, so that the waste gas is efficiently treated; the environment pollution is reduced.

The invention discloses an air flue structure and a refrigerator. The air flue structure is applied in a defroster of the refrigerator. The air flue structure comprises a body and a partition plate, wherein the partition plate is provided with a first plate face on the first side and a second plate face on the second side. At least one air outlet is formed in the partition plate. The body is connected with the partition plate and protrudes out of the first plate face of the partition plate towards the first side. At least one air return opening located in the first side of the partition plate is formed in the body. A ventilating channel communicated with the air return openings is arranged in the body. By means of the technical scheme, the air flow circulating route can be increased, cold air and / or hot air in the defroster makes full contact with food in the defroster, and refrigerating and heating efficiency is improved.

The invention discloses a surface with a self-lubrication function and a preparation method of the surface. The surface is provided with a plurality of long grooves. The long grooves are formed by continuously and repeatedly arranging a plurality of fusiform structural units. Each fusiform structural unit is provided with a wide middle part and two narrow end parts on a plane projection, wherein amain cone is formed by the middle part and one end part, and an auxiliary cone is formed by the middle part and the other end part. The surface is prepared through a light curing 3D printing technology. According to the self-lubrication function and the preparation method of the surface, a fusiform array structure is prepared through light curing 3D printing, advantages are obvious on sample design and manufacture, a die manufacturing process is omitted, the process is simple, the cost is relatively low, and the surface is suitable for being applied on a large scale; and by means of the prepared fusiform array structure, the liquid flowing speed in one direction is large, and the liquid flowing distance is long.

An exhaust system for a combustion engine (1) having a plurality of cylinders (3,4,5,6), a cylinder head (2) and an engine block is provided. The exhaust system comprises an exhaust manifold, which is integrated in the cylinder head (2), flow channels (7,8,9,10), and an exhaust pipe (12), which is connected to a head flange (14) of the cylinder head (2). The flow channels (7,8,9,10) each extend from one of the cylinders (3,4,5,6) to a head flange (14). At least two of the flow channels (7,8,9,10), which are connected to cylinders (7,8,9,10) that are not ignited in succession, are united within the cylinder head (2) and form a common flow channel (15). At least one further flow channel (16), which is connected with a cylinder (4) ignited in succession, is routed separately as far as to the head flange. The common flow channel (15) is united with the further flow channel (16) only in the exhaust pipe (13,13').

A hydro bush includes an outer pipe, an inner pipe, a rubber portion that is installed between the outer pipe and the inner pipe, and stoppers that are installed at both side ends. The hydro bush further includes a liquid chamber which is formed between the outer pipe and the rubber portion, and filled with a working fluid; and a flow path which is formed between the outer pipe and the rubber portion, and connected to the liquid chamber so as to guide the working fluid when the working fluid flows, in which the flow path includes a protruding portion which is formed to protrude inward. Accordingly, a flow distance of a working fluid flowing along the flow path may be increased without increasing a size of the hydro bush, thereby securing various dynamic characteristics.

The invention discloses a heating radiator. The heating radiator comprises a housing, a heat conducting panel, a heat conducting tray, heat supply plates, heating pipes, a machine head cover and fans, wherein a semi-open space is formed through the housing in an enclosing manner; a closed cavity is formed through the heat conducting panel, the machine head cover and the housing in an enclosing and matched manner; air inlet holes are formed in the machine head cover; air holes are formed in the heat conducting panel; and the heat conducting tray and the heat supply plates are sequentially arranged in the space formed by the heat conducting panel and the housing. According to the heating radiator, when the heating function is required, the fans work to suck external low-temperature air into the heating radiator; as the apertures of the air holes in the heat conducting panel are relatively small, and the laminated structure of the heat conducting panel, the heat conducting tray and the heat supply plates is arranged, the flowing distance of air in the heating radiator is increased, the flowing time of air in the heating radiator is prolonged, and accordingly, the heating efficiency is high; and heating elements in the heating pipes are made of carbon fibers, and outer pipes are made of a quartz and glass lead material or stainless steel, so that the heating efficiency and the calorific value can be improved.

The invention discloses a metallurgical boiler tail gas purification treatment device. The device comprises a heat exchange box, a contact box, a spraying box, a dehumidifying box and a smoke inlet pipe, the heat exchange box and the spraying box are arranged on the contact box side by side, and are respectively communicated with the upper side and the lower side of the two ends of the contact box, a horizontal spoiler is arranged in the contact box, a plurality of horizontally-parallel flow guide grooves are formed in the upper surface of the spoiler, a plurality of first through holes and second through holes are formed in the bottom of the flow guide groove, a plurality of horizontal rotating rollers are arranged in the corresponding contact box below the spoiler. According to the device, due to the arrangement of the spoiler and the baffle, the flue gas can flow in the preset direction, the internal flowing distance is prolonged, the smoke gas makes contact with the liquid in multiple times during the flowing process, so that impurities in the flue gas can be sufficiently absorbed, harmful substances in the flue gas can be reduced, the purification effect is improved, comparedwith common equipment, the device is better in absorption effect, small in equipment size and convenient to use.

The invention relates to an apparatus for treating municipal overflow sewage. The apparatus comprises a shell, the inner upper part of the shell is provided with a material inlet, a filtering device is arranged below the material inlet, the filtering device comprises a hollow-out conveyor belt, the conveyor belt moves relative to the shell, a plurality of limiting hooks perpendicular to the conveyor belt are slidably inserted into the conveyor belt, and a control device for controlling the sliding of the limiting hooks is arranged below the conveyor belt; the side surface of the shell is provided with a material outlet, and a material discharge plate extending to a position below the conveyor belt is mounted at the material outlet; and a water storage barrel is arranged below the filteringdevice, a centrifuging device is mounted in the water storage barrel, and the water storage barrel is communicated with a mud outlet pipe and a water outlet pipe. The filtering device is arranged topre-separate solid wastes, so obstruction is not prone to occur in the water storage barrel and the whole sewage treatment process.

PURPOSE: A noncontact conveying plate for a large area panel is provided to minimize the generation of tremor due to vibration generating while transferring a target object, and to properly maintain the floated flatness of the target object. CONSTITUTION: A noncontact conveying plate for a large area panel comprises a lower plate(10), an upper plate(30), a vacuum branch plate, and an air branch plate(20). The lower plate comprises an air port(a1) and a vacuum port through which air and vacuum pressure are respectively supplied from the outside. The lower plate is connected to the vacuum port at the top to form a vacuum chamber. The upper plate comprises an air chamber, air holes, and vacuum holes. The vacuum branch plate is arranged between the lower plate and the upper plate and is connected to the vacuum chamber to form a vacuum load for delivering the vacuum pressure to the vacuum holes. The air branch plate is arranged at the top or the bottom of the vacuum chamber.