33results about How to "Thorough heat exchange" patented technology

The invention belongs to the field of environmental protection, and particularly relates to a process and equipment for graded decomposition and carbonization harmless treatment of industrial waste salt. According to the process and the equipment disclosed by the invention, aiming at the characteristics that each kind of industrial waste salt contains various organic materials and has different physicochemical properties, a plurality of grades of decomposition and carbonization furnaces are arranged to perform graded heating on the industrial waste salt; the heating process is reasonable; the organic materials are decomposed and carbonized within the respective decomposition and carbonization temperature range; the heat-containing exhaust gas generated by decomposition and carbonization is used as a dry heat source; the exhaust gas generated by drying is introduced into an incinerator for incineration; and the hot gas generated by incineration is recycled. According to the process and equipment disclosed by the invention, continuous industrial production is realized, and during the operation of the system, no melting, agglomeration or bonding of the waste salt occurs, no secondary pollutants are generated, no toxic and harmful gas is exhausted, thermal efficiency is high, energy is saved, environmental protection is achieved, and the investment cost is lower than that of other methods; and the process and equipment have the advantages that the process and equipment are high in practicality, are suitable for the removal and harmless treatment of the organic materials of the industrial waste salt in various fields, and are suitable for popularization in industrial production.

The invention provides a heat exchange and separation integrated cyclone separation device. The cyclone separation device comprises a shell, the shell is provided with an air inlet, an air outlet and an oil-gas mixture channel communicating with the air inlet and the air outlet; a heat exchange device for conducting heat exchange on an oil-gas mixture and an axial flow type cyclone separator are further arranged in the shell; the oil-gas mixture channel penetrates through the heat exchange device to lead to the cyclone separator, the oil-gas mixture channel is provided with a spiral flow channel in the heat exchange device, and the spiral flow channel is used for guiding the oil-gas mixture to spirally flow so as to be consistent with the airflow vortex direction of the cyclone separator. The heat exchange device and the separator are sequentially arranged in the cyclone separation device, high-temperature oil gas can be cooled and then separated, the spiral flow channel is formed in the inner cavity of the heat exchange device, the heat exchange area of the high-temperature oil-gas mixture is increased, and the heat exchange efficiency is improved; the spiral flow channel guides the airflow into a spiral shape to enter the axial flow type cyclone separator for multi-stage separation, and the high-temperature gas-liquid separation effect is effectively enhanced.

The invention discloses a comprehensive utilization method and system for bottom slag quenching treatment of a circulating fluidized bed boiler. The comprehensive utilization system is mainly composedof a quenching slag cooler, a heat exchanger, a bottom slag treatment device and a condensation heat exchanger. The comprehensive utilization method and system aim to solve the problems that a CFB boiler unit is large in slag discharge amount, low in sulfur slag utilization rate, large in limestone usage amount, too high in slag discharge temperature and the like. According to the comprehensive utilization method and system, furnace slag generated by a hearth is directly subjected to contact quenching treatment. The generated quenching bottom slag is firstly dried by tail fume and then is subjected to component analysis in a bottom slag component separation treatment device, and the bottom slag with high free CaO content is used as a desulfurizing agent and is sent back to the boiler again; the bottom slag with low content of free CaO and CaSO4 is used as cement admixture; and the bottom slag with high CaSO4 content is used as a cement adjusting retarder. The generated high-temperature steam and the dried fume are subjected to heat exchange with feed water and then enter a coal economizer as "economizer feed water". According to the comprehensive utilization method and system, residual heat of the slag is fully utilized, boiler fuel is saved, thermal pollution is reduced, and the thermal efficiency of the boiler is further improved.

The invention discloses a waste heat conversion integrated large stove including a stove body and an exhaust gas treatment device. The stove body includes a burner and a furnace which are connected, anatural exhaust channel and the exhaust gas treatment device are connected with the furnace, and a conversion guide valve is arranged between the natural exhaust channel and the exhaust gas treatmentdevice. The exhaust gas treatment device includes an exhaust gas exhaust pipe and a tap water heating pipe. The tap water heating pipe includes a tap water inlet pipe, a low temperature heat exchanger, an intermediate temperature heat exchanger, a high temperature heat exchanger and a heat water outlet pipe. The exhaust gas exhaust pipe includes a high-temperature exhaust gas channel, an intermediate connection box, a middle-low temperature heat exchange box, and a forced-discharge suction fan. A high-temperature heat channel penetrates the high-temperature heat exchanger, and the intermediate temperature heat exchanger is arranged in the middle-low temperature heat exchange box, and the low-temperature heat exchanger is wound around the middle-low temperature heat exchange box. Through arrangement of the conversion guide valve, a large amount of generated waste heat is used, and through arrangement of the exhaust gas exhaust pipe and the tap water heating pipe, the utilization of waste heat is improved, and the thermal pollution is reduced.

The invention discloses novel low-pressure casting equipment. The novel low-pressure casting equipment comprises a fixing bracket, a heat preservation furnace, a crucible and an air cooler; the heat preservation furnace and the air cooler are both fixedly arranged in the fixing bracket; the crucible is fixedly arranged in the heat preservation furnace; a vacuum cavity is formed between the crucible and the heat preservation furnace; a sealing cover is fixedly arranged at the top end of the heat preservation furnace, a fixing frame is fixedly arranged in the middle of the top end of the sealingcover, and a frame cover is hinged to the top end of the fixing frame; a mold is fixedly arranged in the fixing frame, the bottom end of the mold is fixedly connected with the top end of a liquid rising pipe, and the bottom end of the liquid rising pipe is arranged at the bottom of the inner wall of the crucible; and an air outlet pipe is arranged at the bottom of the side of the fixing frame ina penetrating mode. According to the novel low-pressure casting equipment, the air cooler and a circulating fan can cooperate with water cooling of the mold to cool the mold, the temperature loweringspeed is increased, the circulating fan can enable cold air to form convection in the fixing frame, heat exchange is more thorough, and then the cooling speed and the machining efficiency of the moldare increased.

The invention relates to the technical field of heat exchangers, and discloses an integrated microchannel heat exchanger with a liquid homogenizing device. The integrated microchannel heat exchanger comprises a heat exchanger top plate, and a hot fluid connector is formed in the upper surface of the heat exchanger top plate. The interior of the hot fluid connector communicates with the lower surface of the heat exchanger top plate. A cold fluid connector is formed in the upper surface of the heat exchanger top plate. According to the integrated microchannel heat exchanger with the liquid homogenizing device, by arranging the heat exchanger top plate, a hot side heat exchange plate sheet, a cold side heat exchange plate sheet and a heat exchanger bottom plate, fluid can pass through the heat exchanger top plate to enter the hot side heat exchange plate sheet and the cold side heat exchange plate sheet for heat exchange; and by arranging a first fluid distributing groove, a second fluiddistributing groove, a damping plate and a damping hole, the fluid is distributed into the first fluid distributing groove and the second fluid distributing groove by the damping plate through the damping hole, and therefore the heat exchanger is better in heat exchange effect and thorough in heat exchange.

The invention relates to the technical field of boiler waste gas treatment, and discloses a boiler waste gas treatment device convenient for recycling heat, which comprises a filter chamber, a gas inlet pipe is fixedly communicated with one side in the filter chamber, the bottom end of the gas inlet pipe is hermetically inserted in a glass cover, and a filter element rod is plugged in the glass cover; the other side of the filter chamber is inserted with a gas transmission section connected with an air outlet pipe, the air outlet pipe further comprises a heat exchange section and an exhaust section, the heat exchange section is evenly wound on two heat exchange water bins, the two heat exchange water bins are directly connected through a connecting water pipe, an inner water flow channel of each heat exchange water bin is an interlayer of the bin wall, and flow blocking rings are evenly arranged on an interlayer support of the bin wall; and water holes are evenly formed in the flow blocking ring, the direction of water flow in the connecting water pipe is opposite to the direction of air flow in the air outlet pipe, waste gas exhausted by the boiler can be filtered, the filtered hot waste gas is subjected to heat exchange on the heat exchange water bin, and therefore heat of the waste gas is fully recycled.

The invention relates to the technical field of fluid heaters, in particular to a heat pump hot water unit. The heat pump hot water unit comprises a heat storage water tank and a heat pump main engine. A heat insulating layer, a liner and heat exchanging coil pipes are arranged in the heat storage water tank. The heat pump main engine is connected with the heat storage water tank through a circular water pipe. A heat replacing device communicated with the heat storage water tank is further arranged on the heat storage water tank. The liner comprises an upper liner section, a middle liner section and a lower liner section. The middle liner section is of an S-shaped structure. The lower liner section is parallel to the upper liner section in the vertical direction and located on the inner side of the upper liner section. A cylindrical groove is formed in the bottom axis of the lower liner section in a sunken mode. The heat exchanging coil pipes comprise the first heat exchanging coil pipes coiled on the upper liner section, the second heat exchanging coil pipes coiled on the lower liner section and the third heat exchanging coil pipes arranged in the cylindrical groove. The heat pump hot water unit is low in cost, good in energy-saving effect, rapid in temperature rising of the heat pump water tank and high in heat transferring efficiency.

The invention relates to the technical field of cement production and discloses an intelligent production device used for cement on construction site. The intelligent production device includes a device body, wherein a preheater is arranged over the device body; a pedestal is disposed on the lower end of the preheater; a rotary kiln is disposed on one end of the pedestal; a cover board is arrangedon the outer surface of the front end of the rotary kiln; a cooling device is arranged at one side of the cover board; a clinker silo is disposed at one side of the cooling device; a roller press isarranged on one side, closed to one side of the cooling device, of the clinker silo; a crusher is arranged at one side of the roller press; a cement mill is arranged on one side, closed to one side ofthe roller press, of the crusher. In the intelligent production device, by means of an insulation cover, dust and noise are treated to achieve environment-friendly production. A filter screen is convenient to replace. A heat dissipater is used for accelerating heat dissipation of a power distribution box, thus enhancing power supply stability. The height of an operation table is convenient to adjust, so that a worker can conveniently use the intelligent production device.

The invention discloses an evaporator effect-enhancing and anti-frosting device, comprising a closed type evaporator, a heating medium inlet, a heating medium outlet, a high-pressure air inlet, a high-pressure draught fan, an environmental air inlet, a high-pressure air outlet, a vortex pipe inlet, a vortex pipe, a cold-air outlet of the vortex pipe, a silencer, a hot-air outlet of the vortex pipe, and a hot-air return pipeline. According to the device, for the working condition of low-temperature heat exchange, the rise of the temperature of pressurized air in the closed type evaporator is realized by using the high-pressure draught fan; as environmental air is subjected to the temperature rise, and then is subjected to heat exchange, so that the heat exchange efficiency is improved, and the frosting or freezing can be prevented; the vortex pipe is adopted for implementing further treatment on high-pressure air flow after the heat exchange; two types of air flow, namely, the high-temperature air flow and low-temperature air flow, are obtained; the high-temperature air flow which still contains the relatively high heat content is reused; with further decrease in the temperature of emitted gas, the heat exchange is relatively thorough and relatively efficient.

The invention belongs to the field of environmental protection, and in particular relates to a process and equipment for graded decomposition, carbonization and harmless treatment of industrial waste salt. The process and equipment of the present invention are aimed at the diversification of organic matter contained in each industrial waste salt and its different physical and chemical properties. Several stages of decomposition and carbonization furnaces are set up to heat the industrial waste salt in stages. Decomposition and carbonization are completed in the carbonization temperature range, and the hot exhaust gas generated by decomposition and carbonization is used as a drying heat source. The exhaust gas generated by drying is introduced into the incinerator for incineration, and the hot gas generated by incineration is recycled. The invention realizes industrial continuous production, no waste salt melting, agglomeration or bonding during system operation, no secondary pollutants, no poisonous and harmful gas emissions, high thermal efficiency, energy saving and environmental protection, and investment cost lower than other methods , has strong practicability, is suitable for organic matter removal and harmless treatment of industrial waste salt in various fields, and is suitable for promotion in industrial production.

The durable condenser comprises a shell, a base is arranged at the bottom of the shell, an electric control cabinet is arranged at the top of the shell, a controller is installed on the front face of the electric control cabinet, ventilation grooves are formed in the two sides of a shell body of the electric control cabinet, and an electric fan is installed in the electric control cabinet. A first dust filtering net is arranged between the electric control cabinet and the shell, heat dissipation holes are formed in the outer walls of the four faces of the shell respectively, a condensation pipe is arranged in the shell, one end of the condensation pipe is fixedly connected with an air inlet pipe, and the other end of the condensation pipe is fixedly connected with a water outlet pipe. According to the durable condenser with the high heat exchange efficiency, water is injected into the surface of a condensation pipe in a shell through a pump body, a water tank, a water inlet pipe and a nozzle, cold air is blown to the condensation pipe through heat dissipation holes in the upper portion of the condensation pipe, rapid heat exchange of the outer surface of the condensation pipe is achieved, and the surface temperature of the condensation pipe is directly reduced; and meanwhile, the metal wire mesh and the heat-conducting fins assist the condensation pipe in further heat dissipation, the condensation efficiency of the condensation pipe is improved, and efficient heat exchange is achieved.

A high-efficiency heat-exchange tube for evaporators of electric refrigerating units comprises a fin part with external disposed fins. On the inside surface of the heat-exchange tube are disposed at least eight pieces of primary internal teeth and at least eight pieces of secondary internal teeth. The above primary internal teeth and the secondary internal teeth are crossed each other.

The invention discloses an improved capillary tube heat exchanger and relates to the technical field of heat exchangers. The improved capillary tube heat exchanger comprises a heat exchange box. The top of the heat exchange box is connected with a box cover through bolts in a sealing mode. According to the improved capillary tube heat exchanger, filtered heat exchange liquid is delivered into an annular pipeline along a connecting pipeline and flows down along hollow holes; impact force of heat exchange liquid on capillary heat exchange tubes can be reduced, and the travel distance of the heatexchange liquid in the heat exchange box can be increased, so that heat exchange is carried out more thoroughly. Meanwhile, the heat exchange liquid flows in the heat exchange box to continuously scour floating supports to drive scale removing sleeves to slide up and down along the capillary heat exchange tubes so as to clean water scale adhering to the surfaces of the capillary heat exchange tubes. The improved capillary tube heat exchanger can wash out the surfaces of the capillary heat exchange tubes all the time during heat exchange and effectively prevent the situation that much water scale coagulates to the surfaces of the capillary heat exchange tubes and reduces the heat exchange effect, the service life of the heat exchanger is prolonged, and the heat exchange efficiency of the heat exchanger is improved.

The invention provides a plate heat exchanger herringbone plate. The plate heat exchanger herringbone plate comprises a plate body; an angle hole, a guide area, a shunting area and a heat exchange area are arranged on the plate body; herringbone ripples are arranged in the flowing direction of a heat exchange medium in the heat exchange area; groove-shaped front small ripples are arranged on the surfaces, facing the flowing direction of the heat exchange medium, of the herringbone ripples; projected back small ripples are arranged on the other surfaces of the herringbone ripples; and the frontsmall ripples and the back small ripples are the same in shape.

The invention discloses a pretreatment device for preparing colloidal particles by using waste tire rubber blocks. The pretreatment device for preparing the colloidal particles by using the waste tirerubber blocks comprises a pre-cooling chamber, a freezing chamber, a vibration plate and a vibration mechanism; the pre-cooling chamber is obliquely arranged, and a feeding opening and an air outletare formed in the upper end of the pre-cooling chamber; the freezing chamber is in communication with the lower end of the pre-cooling chamber, and an air inlet and a discharging port are formed in the end, away from the pre-cooling chamber, of the freezing chamber; the vibration plate is arranged in the pre-cooling chamber and is opposite to the feeding hole; and the vibration mechanism is connected with the vibration plate and used for driving the vibration plate to vibrate. According to the technical scheme, rubber blocks are frozen, on one hand, friction heat generated during smashing canbe offset, and rubber particles are prevented from being in a desulfurized or semi-desulfurized state; and on the other hand, the elongation at break of the colloidal particles can be reduced, the colloidal particles are easy to crush, and the crushing heat can be greatly reduced, so that the yield and quality of rubber powder are improved.

The invention relates to a new-energy intelligent double-rotation boiler. The boiler comprises a boiler body, a combustion chamber, a feeding system, a slag discharging and ash removing system, a combustion supporting oxygen conveying air inlet system, a smoke channel system and a hot air channel system. Fuel enters from the lower portion of an initial combustion volatile decomposition room and is subject to layered segmented combustion, the fuel utilization rate is improved, and energy waste is avoided; the multilevel multi-angle combustion supporting oxygen conveying air inlet system is adopted, the oxygen conveying amount in the fuel combustion process is ensured, the combustion speed and the combustion quality are improved, air is supplied through a porous air supply pipe and a material groove air supply container, and the effects of non-dead-corner combustion, balance oxygen supply and sufficient combustion are achieved. After initial combustion decomposition, fuel is turned over through ejecting force of a feeding machine and is re-combusted through a re-combustion chamber, combustible gas in smoke can be thoroughly burned out through a secondary ignition opening, natural air enters the boiler body and passes through a low-temperature air channel, a low-temperature air collection box, a medium-temperature air channel, a medium-temperature air collection box, a high-temperature air channel and a high-temperature air collection box to be subject to layer-by-layer warming, heat exchange is thorough, and energy is saved.