65results about How to "Improve uniform distribution" patented technology

The invention discloses a thread weld integral slit type cold head of the coxial vessle refrigerator in the refrigeration technology field, including an upper cold head, a lower cold head, a cold end baffle and a copper wire, wherein the upper cold head and the lower cold head are welded again after the threaded connection, the cold baffle is arranged at the middle of the cold head integer, and the cold baffle is filled with the copper wire, wherein the lower cold head is divided into a base seat and a boss having the uniformly distributed slots in the axial symmetry. The depth of the slot is the same with the height of the boss, and the external thread is arranged at the cirumferential of the base seat; a cylinder is arranged on the upper cold head, a round hole at the center and radial slots in the distributed uniformly arranged at the cirumferential of the round hole. The width of the slot is consistent with the slot of the lower cold head; the internal thread structure of the upper cold head is matched with the external thread of the lower cold head, with the other end in the thread match with the cold accumulator, and is left with the margin for welding after being matched. The invention has large heat exchange area, and the welding structure ensures the leak detection safety of the pressure gas the welding reliability.

A kind of integrated cold head is used to the coaxial vas freezer and the cold head is made of the high heat conductivity material and at the bottom along the outside around there is a flanged edge used to weld with the shell of storage cold equipment and in the middle of it opens a round hole and around of the round hole opens radial gap uniformly and the depth of gap is the same with the depth of round hole and there is coaxial opening a ring conduit used to the vas of freezer for inserting. The vas adapts with the inserted ring conduit tightly and the cold head adapts with the shell of storage cold equipment tightly and the flanged edge of cold head welds with the shell of storage cold equipment. So the outside of the ring conduit is the storage cold equipment's cold end gas uniform equipment and the inside of the ring conduit is the vas's cold end gas vane. And the gas in the storage equipment and the vas is conducted by the gap of the bottom of integrated cold head. The maxim merit of it is that: the heat exchange area is large and the affection of guiding flow is well and the points of welding are little and it can deliver the quantity of refrigeration of the vas freezer to the outside face of cold head effectively so it improves performance of the coaxial vas freezer largely.

The invention discloses a multi-channel dumping grain drying machine. The technical points include that: the lower part of the drying machine is a parallel dumping channel (9) composed of a tetrahedron inverse cone, a multi-channel dumping mechanism (11) is arranged on an elastic support (12), the aggregate bin (14) of the multi-channel dumping mechanism (11) is internally and uniformly provided with support frames (16), the mounting dip angle of the support frame (16) and the horizontal plane is 15-25 degrees. The support frame (16) is provided with metering blocks (10) with the same quantity of that of dumping channels; a distance of 10-50mm is kept between the metering block (10) and the dumping channel port (19) of the parallel dumping channel (9); a levelling grid (2) at the upper part of the drying machine is hung on an elastic hanger (3), the lower end of a guiding rod (4) is connected with a guiding rod support (25) on the metering block (10), the guiding rod (4) penetrates a drying chamber (6) upward from the dumping channel port (19) of the parallel dumping channel (9) of the drying machine, and the guiding rod (4) is connected with the levelling grid (2) at the top of the drying machine. The invention has the advantages that structure is simple, motion of material in the machine is uniform, material drying precipitation is uniform and drying speed is high, and drying quality of material can be fully maintained.

The invention discloses a mapping method of a channel measurement pilot frequency and a physical resource block, which are applied in an advanced long-term evolution system, and comprises the following step that: the base station is provided with one or a plurality of antenna ports adopting a common pilot frequency specified in the long-term evolution system to be as the channel measurement pilot frequency, and is provided with the channel measure pilot frequencies of other antenna parts to avoid the mapping positions of the common pilot frequency and downlink dedicated pilot frequency in the long-term evolution system. The invention can save system overhead, and can not cause large influence on performance of the user of the long-term evolution system.

The invention discloses a low energy consumption drying treatment technology of residual activated sludge. The treatment technology comprises the following steps: sending the residual activated sludge to a high speed shearing homogenizing tank, adding a treatment agent to the homogenizing tank, shearing and homogenizing the residual activated sludge and the treatment agent at 0-20 DEG C for 0.5-1 h, sending the obtained mixture to a sludge dehydrating machine, dehydrating the mixture to obtain a dehydrated sludge cake and sewage, sending the sewage to a sewage plant, further treating the sewage, sending the dehydrated sludge to a molding machine, extruding the dehydrated sludge to form strips, allowing the strips to enter a solar multilayer mesh belt type low temperature drying box through a conveyor belt, and drying the strips to obtain dried sludge with the water content being less than 15%. The technology decreases the water content of the residual sludge to 15% or less from 97% or above, and greatly reduces the volume of the sludge, and the dried sludge can be used as a further recycling raw material, or can be burnt.

The invention relates to a paraxial powder-feeding working head for laser powder processing. The paraxial powder-feeding working head comprises a powder-gas separator, a powder-gas input chamber, a fast-plug connector, a powder collecting chamber, a first powder conveying tube, a processing gas input chamber, a processing gas collecting piece, a processing gas input joint, a fixed frame, a second powder conveying tube, a third powder conveying tube and a powder spray nozzle, wherein the processing gas collecting piece is a gradual-contraction funnel shaped component; a throttle valve is used for outputting a powder-carrying gas input by a powder feeder; a stainless steel wire net is arranged at the front end of the throttle valve. According to the paraxial powder-feeding working head disclosed by the invention, separation of metal powder and conveyed powder-carrying gas is realized, so that on one hand, outflow rate of the metal powder from the spray nozzle is lowered to ensure stability of powder conveying amount, and therefore, stable powder output amount requirements in laser powder processing processes of laser cladding, and the like are satisfied; on the other hand, a gas different from the powder-carrying gas is input from the processing gas input joint to achieve a purpose of protecting a processing piece; meanwhile, powder spraying speed of the powder feeding spray nozzle can be adjusted in an assisted manner, so that processing effect is controlled better.

The invention relates to technical fields of environment protection and chemical engineering, in particular to a supercritical water oxidation reactor. The supercritical water oxidation reactor comprises an inner shell and an outer shell which are coaxially arranged; the inner shell is divided into an upper cylinder and a lower cone; the cylinder comprises an upper-section hole-free pipe and a lower-section straight porous pipe; the cone is of a tapered porous wall; the outer shell comprises an upper connection flange, a middle straight pressure bearing wall and a lower tapered bearing wall; a first ring gap is formed between the cylinder portion and the straight pressure bearing wall as well as the connection flange; a second ring gap is formed between the tapered porous wall and the tapered pressure bearing wall; an isolation ring is arranged between the first ring gap and the second ring gap; a high-temperature evaporated-water injection pipe is arranged on the upper portion of the straight pressure bearing wall; a low-temperature evaporated-water injection pipe is arranged on the upper portion of the tapered pressure bearing wall, and an outlet pipe is arranged at the bottom of the tapered pressure bearing wall; a nozzle pipe penetrating the top center of the inner shell is coaxially arranged on the connection flange. By the arrangement, evaporated water can be distributed evenly, and inhibition to center reaction during operation is avoided.

The invention discloses a double-track trolley group running mechanism for an ultra-large gantry crane. The double-track trolley group running mechanism comprises an equalizing beam and double-track trolleys. The double-track trolley group running mechanism is characterized in that each double-track trolley is a four-wheel double-drive mechanism which is formed by travelling wheels and driven wheels which are symmetrically arranged on two sides of a trolley frame; the double-track trolleys are fixedly arranged at the two ends of the equalizing beam through hinged shafts, and the double-track trolleys are in hinged connection with the equalizing beam; the trolley frame is of an I-shaped box structure; the travelling wheels are driving wheels provided with driving mechanisms, and the driving mechanisms can enable the traveling wheels and the driven wheels to drive a trolley group composed of the two double-track trolleys to run on tracks. Compared with the prior art, the double-track trolley group running mechanism has the advantages of low wheel pressure of the traveling wheels, uniform distribution of wheel pressure, and is capable of greatly weakening lateral force, effectively avoiding the rail gnawing phenomenon, enlarging the working range, reducing the working blind area and further reducing project construction cost. The double-track trolley group running mechanism is simple in structure and greatly convenient to maintain.

The invention relates to a dust removing-denitration integrated device and method for medium- and low-temperature flue gas. The device includes a dust removing purification unit, an ammonia-air mixingand injecting unit, a heat exchange unit and a denitration unit which are arranged in a column body in order from bottom to top. The lower part of the column body of the dust removing purification unit is provided with a plurality of air inlets along the circumferential direction. Each air inlet is connected to one end of a flue gas feeding pipe through an air feeding branch pipe. The other end of the flue gas feeding pipe is connected to a desulfurated flue gas outlet of an outer desulfuration unit. Air inflow evenly-distributing guide plates and filter bags are disposed in the column body of the dust removing purification unit. A plurality of rows of the filter bags are evenly and vertically distributed in the column body. The air inflow evenly-distributing guide plates are disposed between the air inlets and the filter bags. Pulse-jetting apparatuses are arranged above the filter bags, and are connected to an outer compressed air conveying pipe. The device and the method integratedust removing, heat exchange and denitration, and are high in dust and NOx removing efficiencies. The device is simple in structure, reliable to operate, low in investment and operation cost, and longin service lifetime.

The invention belongs to the technical field of air conditioners and aims to solve the problems that the temperature of air discharged from an existing indoor unit of an air conditioner is not distributed uniformly and a user is easily blown straightly. For the purpose, the invention provides an indoor unit of an air conditioner. The indoor unit of the air conditioner comprises a housing and a rotary air guide mechanism which is arranged on the housing; the housing is provided with an air outlet; the rotary air guide mechanism is arranged at the air outlet; the rotary air guide mechanism is configured to rotate to a first position when the air conditioner executes a refrigeration mode so that the air discharged from the indoor unit can be guided out upwards, rotate to a second position when the air conditioner executes a heating mode so that the air discharged from the indoor unit is guided out downwards and rotate to a third position when the air conditioner executes a straight-blow-preventing mode so that the air discharged from the indoor unit is guided out after being divided up and down. According to the indoor unit provided by the invention, when the air conditioner is in a refrigeration mode or in a heating mode, the temperature of discharged air is distributed uniformly; moreover the user can make the air conditioner execute a straight-blow-preventing mode when the useris close to the indoor unit, so the user is prevented from straight blowing and is prevented from feeling uncomfortable.

The invention discloses a method for treating residual active sludge. The method comprises: feeding remaining active sludge into a homogenization groove, adding a treatment agent to the homogenizationgroove, treating, carrying out thermal hydrolysis wall breaking treatment on the treated sludge, feeding the wall-broken sludge into a sludge dewatering machine, dewatering to obtain dewatered mud cake and sewage, feeding the sewage to a sewage treatment plant so as to be further treated, and carrying out molding drying on the obtained dewatered mud cake to obtain dried sludge. With the method ofthe present invention, the water content of the remaining sludge can be reduced to less than 15%, the volume of the sludge can be greatly reduced, and the dried sludge can be used as the further resource raw material or can be incinerated.

The invention relates to a device and a method for carrying out adsorption purification treatment on sticky or moisture-containing dust smoke. The device comprises an adsorbent storage unit, a smoke purification unit, a pipeline unit, an adsorbent conveying unit, an air pressure balance unit, a fan unit, a chimney and a control unit, wherein the bottom of the adsorbent storage unit is connected with the adsorbent conveying unit, a feeding hole of the adsorbent conveying unit is connected with the pipeline unit at an entrance of the smoke purification unit, and an exit of the smoke purificationunit, the fan unit and the chimney are connected by virtue of the pipeline unit; the air pressure balance unit is arranged at the top of the adsorbent storage unit, and the other end of the air pressure balance unit is connected with the pipeline unit at the entrance of the smoke purification unit; and the control unit controls the whole adsorption purification technological process. Compared with the prior art, the invention has the beneficial effects that the device and the method have good purification effect on sticky or moisture-containing dust smoke and have the characteristics of low investment cost, simple structure, high purification efficiency and long service life.

The invention relates to a high-pressure large-torque axial sealing and lubricating system. A second-stage packing box, second-stage packing and a second-stage gland are arranged on the periphery of the upper portion of a transmission shaft, a first-stage packing box, first-stage packing, an oil separating ring and a first-stage gland are arranged on the periphery of the lower portion of the transmission shaft, the lower end of the second-stage packing box is connected into the first-stage packing box in an inserted mode through middle nut studs, and the second-stage packing box and the first-stage packing box are provided with lubricating oil inlets respectively. The lubricating system comprises a main oil station, an oil supplementing station, a satellite station and a distributor. The main oil station internally comprises a main oil tank, an oil supplementing pump, a main oil filling pump and a main filter, an outlet of the main filter is connected to the satellite station, and the satellite station delivers lubricating oil to lubricating oil inlets through the distributor. By means of the design, the high-pressure large-torque axial sealing and lubricating system is compact in connection and reliable in oil supplying performance, the oil can be automatically supplemented, grading pressure partition and grading lubricating are beneficial to even distribution of radial sealing force and lubrication, abrasions are reduced, and the high-pressure large-torque axial sealing and lubricating system has the advantages of being good in sealing effect and high in operation stability.

The invention belongs to the technical field of heat exchange, and aims at solving the problems that an existing air conditioner has high requirements for the assembly precision of a liquid homogenizing device, and the dry burning phenomenon of a heat exchange tube bundle of the air conditioner cannot be thoroughly solved. To achieve the purpose, the invention provides the liquid homogenizing device. The liquid homogenizing device comprises a pressure box, an upper box, a lower box and at least one layer of middle baffle arranged between the upper box and the lower box, wherein the pressure box is arranged in the length direction of the upper box, and a plurality of liquid holes are uniformly distributed in a bottom plate of the pressure box, middle baffles and the lower box; a plurality of first liquid baffles are arranged on the middle baffles, so that each middle baffle is divided into a plurality of first liquid film uniform sections; and a plurality of second liquid baffles are arranged on the lower box, so that the lower box is divided into a plurality of second liquid film uniform sections. The liquid homogenizing effect of the liquid homogenizing device can be improved, theassembling precision requirement of the liquid homogenizing device is lowered, the dry burning phenomenon caused by uneven distribution of refrigerants on the heat exchange tube bundle is avoided, the utilization rate of heat exchange tubes is increased, and then the performance of the air conditioner is improved.

The invention discloses a treatment device and system for asthma patients in the field of medical instruments to solve the problem that self-adaptive medicine inhalation cannot be achieved in the prior art, and constructs an atomization device and system capable of performing automatic circulation of medicine inhalation and medicine output. The device comprises a liquid inlet bottle group, an atomization generator and an atomization liquid output tube, wherein the atomization generator comprises a barrel body, and a lateral push plate is in sliding connection to the inner part of the barrel body and is used for dividing the barrel body into an upper chamber and a lower chamber; a power assembly for driving the push plate to be in reciprocating motion is arranged in the lower chamber; the upper chamber comprises a group of passages which are in mutual opposite arrangement, one passage is a liquid inlet, and the other passage is a liquid outlet; and the liquid inlet communicates with theliquid inlet bottle group through an atomization liquid inlet tube, the liquid outlet communicates with the atomization liquid outlet tube, a one-way liquid output valve is arranged at the communication position of the atomization liquid output tube and the liquid outlet, and a one-way liquid inlet valve is arranged at the communication position of the atomization liquid inlet tube and the liquidinlet. According to the technical scheme of the device disclosed by the invention, through the reciprocating change situation of the upper chamber and the lower chamber, a medicine supply and medicine output integrated device is realized.

The invention discloses an electromagnetic heating pressure cooking device, which comprises a pot cover, a sealing ring, an inner pot, a shell, an outer pot ring fixed in the shell, and a displacement detection switch connected with a control circuit. The outer pot ring is rigidly connected when the pot cover is screwed, the sealing ring is positioned between the inner pot and the pot cover, a coil disc is arranged between the bottom of the inner pot and the shell, a pressure ring and an elastic mechanism are arranged between the inner pot and the outer pot ring, the top of the pressure ring is rigidly contacted with the pot edge of the inner pot, or a heat insulation pad which is used for separating the inner pot and the pressure ring is arranged at the contact position of the pressure ring and the inner pot edge, the lower part of the pressure ring is fixedly connected with the coil disc, the displacement end of the elastic mechanism is in movable rigid connection with the pressure ring, and the static end of the elastic mechanism is fixedly connected with the outer pot ring. The electromagnetic heating pressure cooking device can conveniently realize even heating of the whole pot bottom and achieve good cooking effect, and meanwhile has the advantages of simple structure, strong manufacturability, low cost, safety and reliability.

The invention discloses a material return process for an alumina roasting furnace. Aluminum hydroxide captured by a main dust remover and discharged along with waste gas after being dried is preheatedand then separated, fine particles are discharged along with the waste gas and collected by a secondary dust remover, and coarse particles are discharged into the roasting furnace to be roasted. A device comprises the main dust remover serially connected to an exhaust port of a preheating cyclone PO1 for aluminum hydroxide raw materials in alumina roasting equipment; and a charge port of a separator PO5 is connected with a discharge port in the bottom of the main dust remover through a material pipe; the exhaust port is connected with the secondary dust remover; and the discharge port is connected with the roasting furnace PO4. The collected mixture of about 15% of alumina and aluminum hydroxide is subjected to conveying, preheating, suspension and mixed dehydration, cyclone dust collection, and cloth-bag dust collection, and then discharged into the main dust remover through a fan, wherein large particles subjected to the cyclone dust collection are fed into the lower middle part ofthe roasting furnace PO4 to continue to be roasted; and the fine particles are collected and discharged through the cloth-bag dust collection for export sales for other alumina products or other applications.

The invention discloses a wort boiling device based on a circulation pump and belongs to the technical field of beer brewing. The device comprises a shell and a heat exchanger. The heat exchanger is arranged in the center of the shell. The inner side wall of the shell is connected to a water wheel. The upper end of the heat exchanger is connected to a reflux cylinder. The upper end of the reflux cylinder is connected to a uniform distribution device. The lower end of the shell is connected to a wort inlet. The upper end of the wort inlet is connected to a heating pipe. The heating pipe passesthrough the heat exchanger and is connected to an ejector. One side of the wort inlet is provided with a wort discharge pipe connected to the bottom of the shell. The bottom of the shell is connectedto a circulation outlet I and a circulation outlet II. The wort boiling device has a simple whole structure, is easy to operate, realizes uniform heating of the wort in a flowing state, has good heating effects and has low energy consumption. The water wheel improves the wort water vaporization, the air distribution in the device and the beer taste.

The invention discloses an industrial tail gas pollutant removal system which comprises a main flue gas purification system, wherein the main flue gas purification system comprises a desulfurization tower, a denitration tower and an other pollutant removal device. The industrial tail gas pollutant removal system further comprises an external circulation gas extraction system which is used for extracting part of purified and undischarged industrial tail gas to enter the desulfurization tower for circulation purification. The main flue gas purification system further comprises an inlet flue gas online monitoring device used for detecting inlet industrial tail gas, a flue gas mixer used for mixing the detected inlet industrial tail gas with the industrial tail gas part extracted by the external circulation gas extraction system, and an outlet flue gas on-line monitoring device used for detecting the discharged industrial tail gas. According to the invention, the external circulation gas extraction system is arranged, and the main flue gas purification system is used for recycling and purifying industrial tail gas, so that the removal effect of pollutants such as sulfur dioxide and nitrogen oxide is further enhanced while an additional pollutant removal device is avoided.

The invention discloses an anode plate for a wet electrostatic precipitator, which comprises an anode plate body and a corrugated part. The upper and lower ends of the anode plate body are provided with fixing holes, and the left and right ends of the anode plate body are provided with bent suspension beams; the suspension beam at one end is provided with U-shaped grooves, U-shaped A clamping block is arranged annularly on the groove, a U-shaped projection is arranged on the suspension beam at the other end, and a clamping groove is arranged annularly on the U-shaped projection. The good flatness, waviness and rigidity of the present invention ensure the electrode spacing between the cathode and the anode, are conducive to the formation of a stable electric field, facilitate the uniform distribution of the water film, and improve the process selectability of the wet electrostatic precipitator.