44results about How to "Full contact heat transfer" patented technology

The invention discloses a waste fan blade pyrolysis recovery system and a working method thereof, and belongs to the technical field of resource recovery. The waste fan blade pyrolysis recovery system comprises a crushing system, a circulating fluidized bed boiler system, a pyrolysis reactor, a material collecting and conveying device, a pyrolysis gas-solid separation system and a cracking oil separation system. According to the invention, composite materials in waste blades can be effectively cracked, cracking oil generated by cracking can be recovering, cracking gas is pumped to a hearth to be effectively incinerated, heat value contained in the cracking gas is effectively utilized, pollutants generated in the combustion process can be discharged in a standard reaching mode by means of an environment-friendly device arranged in an original boiler system, and a pyrolysis reaction in a pyrolysis reactor under an anoxic atmosphere effectively avoids the potential problems of dioxin generation and emission, and the like caused by direct incineration of the waste leaves, so that harmless and resourceful treatment of the waste leaves is completely achieved; and before the comprehensive recycling technology of the blade material is mature and utilized on a large scale, the influence of the waste blade on the environment and the like can be effectively solved, and good environmental protection benefits and economic benefits are generated.

The invention discloses a capillary eddy heat exchanger and belongs to the field of ground source heat pump devices. The capillary eddy heat exchanger is characterized by comprising a main case, a cooling-medium circulation line is arranged in the main case, a water inlet and a water outlet are respectively arranged in side walls of two ends of the main case, and the water inlet is located above the water outlet; the cooling-medium circulation line comprises an inlet pipe and an outlet pipe, a plurality of branch pipes with two ends communicated with the inlet pipe and the outlet pipe are arranged in parallel, and the branch pipes are spirally wound the inlet pipe or the outlet pipe from the periphery; the water inflowing direction of the water inlet forms a 0-45-degree included angle with the main case; water-inflowing rotation direction is opposite to the flowing direction of a cooling medium, and water circulation is opposite to circulation flowing direction of the cooling medium, and with over-entering and down-out water flow, more sufficient heat exchange is achieved. Besides, the capillary eddy heat exchanger is provided with a guiding device, a supporting device and a protecting device, hermetic heat exchanging space enclosed by upper and lower separating sealing rubber gaskets and the inner wall of the main case enables the capillary eddy heat exchanger to be more compact in structure, practical, safe and convenient and long in service life.

The invention belongs to the field of semi-coke combustion, and particularly discloses a flameless combustion system for semi-coke refractory fuel. The system comprises a combustion chamber, a burner,a powder feeding device and a flue gas treatment device, wherein the combustion chamber is divided into an inner combustion chamber and an outer annular combustion chamber by a partition plate; the lower end of the inner combustion chamber is provided with the burner; the upper end of the partition plate is provided with a tangential flow guiding outlet; the outer wall of the outer annular combustion chamber is provided with a water cooling pipe and a flue gas outlet; a return hopper is arranged at the bottom end of the outer annular combustion chamber; the burner comprises a primary air spray pipe, a flame secondary air spray pipe, a flameless secondary air spray pipe and a material returning spray pipe which are coaxially arranged, and also comprises an ignition assembly extending intothe inner combustion chamber; the powder feeding device is connected with the primary air spray pipe and used for providing fuel for the primary air spray pipe; and the flue gas treatment device comprises a waste heat exchanger and a dust remover which are sequentially connected. According to the system, combustion process and flue gas utilization process are separated, so that high-temperature environment required by the flameless combustion of the inner combustion chamber is ensured; and flue gas heat is effectively utilized.

A heat exchange tube bundle positioning net for a flue gas heat exchanger with fluorine plastic heat exchange tubes is formed by interweaving parallelly distributed positioning net weft and parallelly distributed positioning net warp. The positioning net is made of a rigid high-temperature-resistant corrosion-resistant material, the net surface of the positioning net is perpendicular to the axis of the heat exchange tube bundle, the size of each mesh of the positioning net is adapted to the diameter of each fluorine plastic heat exchange tube, and the periphery of the positioning net extends to an inner wall of a flue gas heat exchanger casing. The heat exchange tube bundle positioning net is applied to the flue gas heat exchanger with the fluorine plastic heat exchange tubes, is used for positioning a fluorine plastic heat exchange tube bundle, can avoid shaking deformation of the fluorine plastic heat exchange tube bundle caused by flowing impact of flue gas, enables the fluorine plastic heat exchange tubes in the flue gas heat exchanger with the fluorine plastic heat exchange tubes to maintain intervals, enables the flue gas to circulate smoothly and guarantees full contact and heat exchange between the flue gas and the fluorine plastic heat exchange tubes.

The invention relates to an air cooling device. The air cooling device comprises an upper barrel, a lower barrel, a first sealing steel plate and a cooler core, wherein the upper barrel is connected with the lower barrel; an accommodating cavity is formed between the upper barrel and the lower barrel; the first sealing steel plate is arranged in the accommodating cavity; the outer edge of the first sealing steel plate is hermetically connected with the inner wall of the lower barrel; an opening is formed in the first sealing steel plate; the cooler core is arranged below the first sealing steel plate and is positioned in the accommodating cavity; the sizes and the positions of radiating fins of the cooler core are matched with the size and the position of the opening in the first sealing steel plate; and the cooler core is hermetically connected with the first sealing steel plate. Because the outer edge of the first sealing steel plate is hermetically connected with the inner wall of the lower barrel, hot air entering the air cooling device enters the cooler core from the opening in the first sealing steel plate. The square air inlet of the cooler core and a circular gap between the upper barrel and the lower barrel can be sealed by using the first sealing steel plate; and the cooling efficiency is improved.

The invention relates to an air uniformizing and dust removing device for sludge drying equipment and the sludge drying equipment. The air uniformizing and dust removing device comprises a drying oven, an outer circulating air fan, a heat exchange skid and a dust removing system, wherein the drying oven, the outer circulating air fan and a heat exchange skid are communicated to form an outer circulating air channel; the drying oven is provided with a transmission mesh belt and an inner circulating air channel; a plurality of flow guide plates are arranged at the upper end of the inner circulating air channel and are used for guiding inner circulating air in the inner circulating air channel to the conveying mesh belt; an air uniformizing plate is arranged between the flow guide plates and the transmission mesh belt; and the drying oven and the heat exchange skid are connected through an outer circulating air return channel, and dust removal systems are arranged at the two ends of the outer circulating air return channel. Through the flow guide plates and the air uniformizing plate, inner circulating air can be in uniform and full contact with sludge at all positions on the conveying mesh belt for heat exchange, and the drying efficiency is improved.

The invention discloses a flame-retardant type anti-explosion valve of a crankcase. The flame-retardant type anti-explosion valve of a crankcase comprises a valve deck and a valve seat. A valve clackis arranged on the valve seat. An inner flame-retardant ring group, an outer flame-retardant ring and a spring are arranged between the valve deck and the valve seat. The upper end of the spring is fixed to the valve deck. The lower end of the spring tightly presses the valve clack. The inner flame-retardant ring group and the outer flame-retardant ring are arranged in the space formed by the valve deck and the valve seat to form a flame retardant device. Because the flame-retardant type anti-explosion valve of a crankcase is adopted, the airflow through holes of the valve are evenly distributed along the surfaces of ring bodies, the airflow through holes of the same ring body are evenly arranged side by side, the airflow through holes of two adjacent ring bodies stagger to form labyrinthtype bend channels, the time for airflow and flames to pass through can be effectively prolonged while heat exchange between airflow and the inner walls of the flame retardant rings can be sufficient,the use ratio of the flame retardant rings is increased to the maximum degree, the temperature is lowered, and the purposes of reducing pressure and putting out flames are achieved finally. The flame-retardant type anti-explosion valve of a crankcase is simple in structure, and easy to produce and install. The problems exist in an anti-explosion valve can be solved. The flame-retardant type anti-explosion valve of a crankcase has broad application prospects.

The invention discloses a narrow ring gap heat exchange air conditioning terminal device, and relates to the technical field of heating ventilation air conditioning system terminal devices. The terminal device comprises an installation frame, a water system and an air system; the water system comprises an upper header pipe, a lower header pipe and heat exchange pipes, and the multiple heat exchange pipes are vertically fixed to the installation frame; each heat exchange pipe comprises an inner pipe and an outer casing pipe, and the inner pipe is fixed in the outer casing pipe; a liquid flow channel is formed between each inner pipe and each outer casing pipe, and an air flow channel is formed in each inner pipe; the two ends of each liquid flow channel communicate with the upper header pipe and the lower header pipe separately; the air system comprises an air main pipe and a ducted fan connected to the air main pipe, and the air main pipe communicates with the air flow channel; and oneside of the top of each heat exchange pipe is provided with an upper air opening, and the air flow channel communicates with outside through the upper air opening. According to the terminal device, on the premise of ensuring that a working area of personnel has no obvious blowing feeling, the heat exchange effect can be improved, and the heat exchange capability of the air conditioning terminal device is improved; and the terminal device has the functions of heating in winter and cooling in summer.

The invention discloses a tunnel insulation ditch heating system using a ground source heat pump, and belongs to the field of ground source heat pumps. The tunnel insulation ditch heating system usingthe ground source heat pump comprises a tunnel main body, and a pair of drainage channels is formed in the bottom end of the inner wall of the tunnel main body in a digging mode; the inner wall of the tunnel main body is fixedly connected with an insulation layer, and the insulation layer is fixedly connected with an installation layer; a plurality of heat exchange pipes uniformly distributed areconnected between the insulation layer and the installation layer, and a heat source ground pump main body is installed on the heat exchange pipes; insulating pipes matched with the drainage channelsare installed in the tunnel main body, and heat storage pipes are arranged on the lower sides of the insulating pipes; and heat conduction plates are connected between the insulting pipes and the heat storage pipes, and the bottom ends of insulation boards are fixedly connected with heat exchange films. According to the scheme, through storage of a part of heat released from a heat source groundpump in a tunnel, the interior of the drainage channels in the tunnel remains at higher temperature, and water flow entering the drainage channels in the tunnel is subjected to heat treatment throughthe insulating pipes; and when cold water flow in the tunnel is in contact with insulated water flow in the drainage channels, fogging is avoided.

The invention provides a plate ice machine with a dual-plate evaporator and a running method of the plate ice machine. A machine body shell of the plate ice machine is internally provided with a refrigeration system, an ice making water conveying system, a deicing water conveying system and an ice breaking mechanism; the evaporator comprises a plurality of evaporation dual plates, each evaporationdual plates comprise two opposite evaporation single plates, an overheating gap is formed between every two corresponding evaporation single plates, each evaporation single plate comprises a plurality of unit plate bodies, a plurality of circulation channels are arranged in the unit plate bodies in parallel, the cross sections of the circulation channels are rectangular, the inner walls of the circulation channels are evenly provided with a plurality of beads, plugging plates are fixedly installed on the two sides of each unit plate body, cavities are arranged in the plugging plates, the circulation channels communicate with the cavities, one ends of the cavities in the plugging plates are opened, the other ends of the cavities in the plugging plates are provided with closed plates, and openings of the cavities of the two plugging plates on each unit plate body are reversely arranged up and down; and the multiple unit plate bodies are fixedly connected through splicing assemblies in atandem manner, the plugging plates of every two adjacent unit bodies up and down are connected in an aligned manner, and the openings of the cavities of the plugging plates are in sealed communication.

The invention relates to the technical field of packing, in particular to multi-dimensional efficient packing which comprises a packing body. The packing body is formed by assembling multiple packing sheets. Each packing sheet is integrally formed by arranging multiple packing units in a matrix manner, and each packing unit comprises two first frameworks and a second framework. The first frameworks and the second framework of each packing unit are parallel to one other, cross frameworks are arranged between the first frameworks and the second frameworks, and water film holes are formed between the cross frameworks and the first frameworks and between the cross frameworks and the second frameworks. Fixing structures or reinforcing structures are arranged at the vertex angles of the packing units, the multiple packing sheets are detachably assembled through the fixing structures to form the packing body, and multiple prismatic runners are formed in the packing body. The packing can be cleaned and repeatedly used, the service life is long, in the packing runners, no impurities are accumulated, no moss grows, the situations that packing heat exchange is uneven and the heat exchange efficiency is reduced in a cliff manner are avoided, and the packing replacement frequency and the existing packing wind resistance can be reduced.

The invention provides a plate ice machine with a single-plate evaporator and an operation method of the plate ice machine. A refrigerating system and a water conveying system are arranged in the machine body shell of the plate ice machine, wherein the evaporator comprises a plurality of evaporation single plates; the evaporation single plates comprise a plurality of unit plate bodies, a pluralityof circulating channels are horizontally arranged in the unit plate bodies, and blocking plates are fixedly arranged on the two sides of the unit plate bodies; cavities are formed in the blocking plates, one ends of the inner cavities of the blocking plates are opened, sealing plates are arranged at the other ends, and the openings of the cavities of the two blocking plates on the same unit blocking plate are arranged in an up-and-down reversed mode; the plurality of unit plate bodies are fixedly connected through the splicing assembly in a longitudinal arranging mode, and the blocking platesof the upper and lower adjacent unit plate bodies are connected in a butt joint mode, so that the cavities of the connecting blocking plates are communicated in a sealed mode; liquid supply openingsare formed, in the blocking plates, of one sides of the unit plate bodies at the bottommost part, and liquid return openings are formed, in the blocking plates, of one sides of the unit plate bodies located at the uppermost part; and the liquid supply openings of the plurality of evaporation single plates are connected with liquid supply pipes in a collecting way, and the liquid return openings ofthe plurality of evaporation single plates are connected with the liquid return pipes.

The invention discloses an inflaming retarding type anti-explosion valve. The inflaming retarding type anti-explosion valve comprises a valve seat and a valve cover which is fixedly arranged on the valve seat. An inflaming retarding device is arranged between the valve seat and the valve cover. The inflaming retarding device comprises an inner flow guiding ring which is arranged inside the valve seat and an outer flow guiding ring which is arranged on the edge of the valve seat, and the surface of the inner flow guiding ring and the surface of the outer flow guiding ring are each provided with guide holes. A set of inflaming retarding rings are arranged between the inner flow guiding ring and the outer flow guiding ring. The bottom of the valve seat is provided with a valve clack, the valve clack is provided with a spring, one end of the spring presses the valve clack tightly, and the other end of the spring abuts against the valve cover. The inflaming retarding type anti-explosion valve has the beneficial effects that the anti-explosion valve can increase the paths through which gas flow and flame pass and prolong the time when the gas flow and the flame pass through multiple times of diversion, extruding and other repeating process on concentrated gas flow, meanwhile, the gas flow makes sufficient contact and exchange heat with all ring faces of the inflaming retarding rings, finally, the pressure is reduced and released, the gas flow temperature is reduced, and the flame is completely extinguished.