462results about "Combustion technology mitigation" patented technology

The utility model relates to a boiler flue gas waste heat recovery device which comprises a boiler flue gas waste heat recoverer, the boiler flue gas waste heat recoverer comprises a first tank body, a second tank body, a spiral water supply pipeline and a multi-ring-shaped water supply pipeline, the second tank body is installed in the first tank body, and the multi-ring-shaped water supply pipeline is installed in the second tank body. A cavity is formed between the second tank body and the first tank body, and the spiral water supply pipeline is mounted in the cavity; due to the design of the annular water supply pipelines and the spiral water supply pipelines, the retention time of high-temperature flue gas waste heat is prolonged, heat can be conveniently spread through the annular pipes or the spiral pipes, the heat exchange heating surface is increased, the contact area of flue gas and a heat exchange medium is large, sufficient heat exchange is conducted inside and outside the annular pipes or the spiral pipes, and the high-temperature flue gas waste heat recycling rate is high.

The invention provides an optimal management method and system for a flue gas waste heat recovery and heat exchange system, and relates to the technical field of waste heat recovery and heat exchange management.The method comprises the steps that a flue gas characteristic parameter sequence within the recent preset time is obtained, and a first flue gas fluctuation coefficient is obtained through analysis; randomly setting the recovery medium flow of the recovery end, and performing preheating analysis in combination with the flue gas characteristic parameter sequence to obtain a preheating temperature sequence and an exhaust gas temperature sequence; according to the exhaust gas temperature sequence, carrying out recovery end pipeline corrosion and flue gas characteristic fluctuation analysis to obtain a second flue gas fluctuation coefficient; and according to the first flue gas fluctuation coefficient and the second flue gas fluctuation coefficient, the preheating temperature sequence and the exhaust gas temperature sequence are combined, the recovery medium flow is optimized, and the recovery medium flow is obtained to control flue gas waste heat recovery. The method solves the problems that waste heat recovery of a traditional heat exchange system mostly depends on fixed parameter control, smoke characteristic fluctuation is difficult to deal with, the waste heat recovery efficiency and the pipeline corrosion risk cannot be considered at the same time, the management effect of smoke waste heat recovery of the heat exchange system is optimized, and energy conservation and consumption reduction are achieved.

The invention provides a compound evaporator coupled with multiple heat sources, and a heat pump system thereof. The use efficiency of a heat pump and the energy utilization rate are improved while the coupled use of the multiple heat sources is achieved; meanwhile, flue gas waste heat can be recycled, and purification is achieved; and the side of the evaporator is prevented from being frosted effectively. The compound evaporator comprises a shell, and flanges arranged at the two ends of the shell; the shell comprises an outer shell and an inner shell; a spiral refrigerant flow channel is arranged in a clearance between the outer shell and the inner shell; an inside cavity of the inner shell forms a coupled working medium flow channel, and the two ends of the inner shell are provided witha coupled working medium inlet and a coupled working medium outlet separately; the outer side of the outer shell is provided with a plurality of flue gas cooling fins, and a flue gas channel used forheat exchange is formed between the adjacent flue gas cooling fins; and the two ends of the outer shell are separately provided with a refrigerant inlet and a refrigerant outlet which communicate withthe refrigerant flow channel.

The application provides a kind of flue gas waste heat recovery heat exchange system optimization management method and system, it is related to waste heat recovery heat exchange management technical field, it obtains flue gas characteristic parameter sequence in recent preset time, analysis obtains first flue gas fluctuation coefficient;Randomly set recovery end recovery medium flow, do preheating analysis in combination with flue gas characteristic parameter sequence, obtain preheating temperature sequence and exhaust gas temperature sequence;According to exhaust gas temperature sequence, carry out recovery end pipeline corrosion and flue gas characteristic fluctuation analysis, obtain second flue gas fluctuation coefficient;According to first, second flue gas fluctuation coefficient, in combination with preheating temperature sequence and exhaust gas temperature sequence, optimize recovery medium flow, obtain recovery medium flow to control flue gas waste heat recovery.The present application solves the problem that the traditional heat exchange system relies on fixed parameter control for waste heat recovery, which is difficult to cope with the fluctuation of flue gas characteristics, and cannot balance the efficiency of waste heat recovery and the risk of pipeline corrosion, optimizes the management effect of flue gas waste heat recovery of heat exchange system, and saves energy and reduces consumption.

The utility model provides a flue gas waste heat indirect recovery and desulfurization water balance system for a coal-fired power plant. The system comprises a flue gas desulfurization system, a slurry heat exchanger and a cooling water circulation system, the output end of the flue gas desulfurization system is connected with a first inlet of the slurry heat exchanger, and a first outlet of the slurry heat exchanger is connected with the input end of the flue gas desulfurization system; a second inlet of the slurry heat exchanger is connected with the output end of the cooling water circulation system, a second outlet of the slurry heat exchanger is connected with the input end of the cooling water circulation system, and the tail end of the second inlet cooling water circulation system is arranged in a heating water pump room. And the returned water and supplemented circulating water of the heating water pump room are conveyed into the slurry heat exchanger through the booster pump. The system recovers and utilizes the waste heat of the slurry in the absorption tower of the desulfurization system of the coal-fired power plant, greatly reduces the energy consumption, and reduces the energy consumption cost.

This invention relates to the field of flue gas reheating technology, and more particularly to a flue gas reheating device after wet flue gas purification. The device includes a base, an inlet pipe, a purification rod, an unpurified gas pipe, a first curved gas pipe, a second curved gas pipe, a third curved gas pipe, a fourth curved gas pipe, a first cylindrical cavity, a second cylindrical cavity, a third cylindrical cavity, a fourth cylindrical cavity, a first curved guide tube, a second curved guide tube, a third curved guide tube, a fourth curved guide tube, a mixing device, a heating device, and a cooling device. The first cylindrical cavity, the second cylindrical cavity, the third cylindrical cavity, and the fourth cylindrical cavity are sequentially installed from bottom to top on the upper end of the base. This invention uses multiple cylindrical cavities to heat the flue gas in layers and stages. The mixing device mixes the flue gas heated to different temperatures, and the flue gas flow rate in each curved guide tube can be adjusted via gas pipe valves to regulate the temperature of the flue gas to be emitted, ensuring the purified gas is emitted at a stable temperature of 80°C and preventing the formation of white smoke.

The present application relates to waste incineration technical field, specifically to a kind of waste incineration flue gas low temperature corrosive test platform and working method.The platform includes the first pipeline connected with the flue gas outlet of bag filter and the second pipeline connected with the flue gas outlet of flue gas cooler, the outlet of the first pipeline and the outlet of the second pipeline are connected with first flue gas main pipe;The first flue gas main pipe is connected with multiple parallel heat exchange branch lines;Each heat exchange branch line is provided with heat exchanger, the heat exchange branch line is provided with flowmeter, flue gas volume regulating valve, temperature measuring point and induced draft fan;The outlet of the heat exchange branch line is connected with second flue gas main pipe, and the outlet of the second flue gas main pipe is connected with chimney and communicates;The cooling water outlet of all heat exchangers is connected with the first cooling water main pipe of cooling tower;The cooling water inlet of all heat exchangers is connected with the second cooling water main pipe of cooling tower.The test platform can be used for the corrosion resistance test and evaluation of various materials.

The utility model relates to the technical field of waste heat utilization equipment, and discloses a waste heat utilization device of a flue gas heat exchanger, which comprises a flue gas heat exchanger casing, a connecting groove communicated with the inside of the flue gas heat exchanger casing is arranged on the outer surface of the flue gas heat exchanger casing, and a plurality of heat conduction pipes are fixedly sleeved on the flue gas heat exchanger casing. The surface of the front side of the flue gas heat exchanger shell is fixedly connected with a flue gas inlet communicated with the interior of the flue gas heat exchanger shell, a cleaning mechanism is arranged on the flue gas heat exchanger shell, and according to the waste heat utilization device of the flue gas heat exchanger, the scraping frame moves up and down to scrape the inner wall of the flue gas heat exchanger shell up and down, so that dust in the flue gas heat exchanger shell is cleaned; dust after cleaning falls out through the connecting groove, cleaning is convenient and fast, manpower is saved, resource waste is avoided, the utilization efficiency of smoke waste heat is guaranteed, the heating efficiency of the heat conduction pipe is guaranteed, and then the practicability of the device is guaranteed.

The utility model discloses a mechanical vibration deashing device for a heating surface of a coiled pipe, which is characterized in that a flue in a boiler is divided into an inner flue and an outer flue through a membrane type wall enclosure pipe, the mechanical vibration deashing device comprises the coiled pipe in the flue, and the heating surface of the coiled pipe is longitudinally connected through a pipeline protecting tile and a coiled pipe connecting plate. The transverse pipe row direction of the coiled pipes is transversely connected through a comb-shaped vibration and beating connecting plate, one end of the comb-shaped vibration and beating connecting plate is led out to the outer end of the flue and welded with a vibration and beating sleeve, and the comb-shaped vibration and beating connecting plate is provided with a concentric-square-shaped vibration and beating sealing device at the position where the comb-shaped vibration and beating connecting plate penetrates through the membrane type wall wrapping pipe. Attached ash on the heating surface of the coiled pipe is effectively removed, and especially for coiled pipe attached ash which is poor in ash blowing effect and high in viscosity of some steam ash blowers and shock wave ash blowers, the heat exchange effect of the heating surface of the coiled pipe is guaranteed, meanwhile, the smoke temperature is reduced, safe and stable operation of a boiler is guaranteed, and energy-saving economic benefits are generated.

The utility model discloses a waste heat utilization pipeline for boiler combustion optimization, which comprises a pipeline body, a plurality of heat exchange plates and a plurality of cleaning components, and the plurality of heat exchange plates are arranged in parallel at intervals along the length direction of the pipeline body. The corresponding cleaning assemblies are arranged on the contact faces of all the heat exchange plates and smoke and used for removing smoke steam impurities accumulated on the heat exchange plates. The heat exchange plate is of a wave-shaped structure and is used for increasing the contact area between the heat exchange plate and smoke. Corresponding cleaning assemblies are arranged at the bottoms of all heat exchange plates installed in a waste heat utilization pipeline, so that the cleaning assemblies are driven by rotating driving parts to move in the length direction of lead screws, and then a cleaning roller installed between the two lead screws moves along the heat exchange plates; and furthermore, metal bristles on the cleaning roller are used for removing smoke impurities accumulated on the heat exchange surface of the heat exchange plate, so that the waste heat utilization efficiency of the waste heat utilization pipeline for boiler combustion optimization is improved.

The utility model relates to the technical field of flue gas heat exchangers, and discloses a sealing device of a rotary flue gas heat exchanger, which comprises two fixing frames, the left side and the right side of the fixing frame on the rear side are both in threaded connection with two bolts I, and the front ends of the bolts I penetrate through the left side and the right side of the fixing frame on the front side; the device comprises two fixing frames, the interiors of the two fixing frames are fixedly connected with the same exhaust pipe, the interior of the fixing frame on the rear side is fixedly connected with a fixing plate, the rear side of the fixing plate is fixedly connected with fan blades, the interior of the fixing frame on the front side is fixedly connected with a heat exchange pipe, and the sides, away from each other, of the two fixing frames are fixedly connected with air conveying hoppers. The gas conveying pipe is externally connected with the gas conveying pipe, the mounting plate is arranged on the outer wall of the connecting pipe and fastened with the gas conveying hopper through bolts, rapid mounting and dismounting are facilitated, the sealing ring is embedded in the mounting plate, after the gas conveying pipe is inserted, the sealing ring is attached to the pipe wall, gas leakage is eradicated, and therefore the situation that equipment is affected by gas leakage is avoided, and working efficiency is improved.

This utility model belongs to the field of heat exchange equipment, and particularly relates to a high-temperature resistant water-cooled wall structure, including a heat insulation layer, a pump body, a channel pipe, and a water-cooled pipe. The pump body is installed on the lower side of the heat insulation layer, with its inlet end extending forward. The channel pipe is fixed to the outlet end of the pump body extending downward. The water-cooled pipe is installed inside the heat insulation layer, and the channel pipe is connected to the cross-shaped pipe at the bottom of the water-cooled pipe to form a flow path for the cooling medium. By setting an electric push rod and a cleaning brush, ash and particulate impurities adhering to the outer wall of the water-cooled pipe can be automatically removed, avoiding a decrease in heat exchange efficiency due to ash accumulation, ensuring that high-temperature gas can fully contact the surface of the water-cooled pipe, significantly improving the heat exchange effect, and extending the service life of the equipment.

The utility model relates to the technical field of waste heat collection, in particular to a waste heat collection and utilization device for high-temperature waste gas of a boiler, which comprises a shell, a cavity, a water storage cavity and a cavity are respectively arranged in the shell, one side of the shell is fixedly connected with a gas inlet pipe in a penetrating manner, and the gas inlet pipe is communicated with the cavity. The upper end of the shell is fixedly connected with a pipeline in a penetrating mode, and the other side of the shell is fixedly connected with an exhaust pipe in a penetrating mode. A plurality of through grooves are formed in the side walls of the heat exchange pipes, the through grooves are communicated with the interior of the cavity, the ends of the heat exchange pipes are communicated with the cavity, and filter cartridges are slidably connected to the interiors of the heat exchange pipes. Waste heat in high-temperature waste gas is recycled and used for heating water in the water storage cavity to generate steam, so that the overall energy utilization efficiency of the boiler system is remarkably improved, heat energy originally discharged into the atmosphere along with the waste gas is effectively utilized and converted into useful steam at present, and energy waste is reduced.

The invention discloses waste heat recycling equipment based on high-salt hazardous waste incineration flue gas purification treatment, and belongs to the technical field of high-salt hazardous waste flue gas waste heat. The waste heat recycling equipment specifically comprises a stacked barrel, a plurality of supporting frame bodies are arranged on the inclined face of the bottom of the stacked barrel, and slag discharging valves connected with the inclined face of the bottom of the stacked barrel are arranged in the supporting frame bodies in a sleeved mode; an air inlet valve is embedded in the center of the bottom end surface of the stacked cylinder; the design of triangular pipe primary heat exchange and staggered heat exchange is adopted, heat is fully recycled, temperature difference damage is reduced, in the aspect of purification, multi-stage impurity removal is achieved through air dissipation interception, grid filtration and component collaborative cleaning, the purification effect is improved, in the maintenance level, components are convenient to replace through a high-temperature filter residue box pull-out structure, and the maintenance cost is reduced. A ring plug scraping disc is matched with an adjusting valve for directional cleaning, the downtime is shortened, a main exchange mechanism and an auxiliary exchange mechanism can be independently adjusted and controlled, flexible and stable operation of equipment is guaranteed, and efficient recycling and long-term use are both considered.

The utility model relates to the technical field of boiler heat recovery, in particular to a boiler heat recovery device which comprises a water storage tank, a heat exchange mechanism and a driving mechanism. A water inlet pipe is arranged on the lower portion of the side wall of the water storage tank, and a communicating pipe is arranged on the upper portion of the side wall of the water storage tank. The heat exchange mechanism comprises a smoke inlet pipe, a lower rotating pipe, multiple coiled pipes, an upper rotating pipe and a smoke exhaust pipe, the lower rotating pipe and the upper rotating pipe are arranged in the centers of the upper end and the lower end of the water storage tank correspondingly, the smoke inlet pipe is arranged at the lower end of the lower rotating pipe, the smoke exhaust pipe is arranged at the upper end of the upper rotating pipe, and the multiple coiled pipes are arranged between the lower rotating pipe and the upper rotating pipe; the driving mechanism is arranged on the water storage tank and used for driving the coiled pipe to rotate; the coiled pipe provides a larger contact area, so that more heat is transferred into water from the flue gas; meanwhile, disturbance and turbulent flow are generated through rotation of the coiled pipe, uneven water temperature in the water storage tank is prevented, and the heat exchange efficiency is further improved.

The garbage incinerator comprises an incinerator body, a water tank, a gas conveying assembly, a filtering assembly and a cleaning assembly, the top face of the incinerator body is communicated with an exhaust pipe, a supporting plate is arranged on one side of the incinerator body, the water tank is arranged on the supporting plate, a heat exchange pipe is arranged in the water tank, and the two ends of the heat exchange pipe penetrate through the two side walls of the water tank respectively. The exhaust pipe is connected with one end of the heat exchange pipe, the end part of the heat exchange pipe is provided with an electromagnetic valve, the bottom surface of the water tank is provided with a drainage assembly, one side of the furnace body is provided with a supporting plate, the supporting plate is provided with a filter box and a fan, the input end of the fan is communicated with the filter box, one end of the gas transmission assembly is connected with the heat exchange pipe, and the other end of the gas transmission assembly is communicated with the filter box; the filtering assembly is arranged in the filtering box, and the cleaning assembly is arranged on the filtering assembly. Therefore, cooling and waste heat recovery can be conducted on high-temperature flue gas generated by waste incineration, efficient utilization of energy is achieved while the service life of the filtering assembly is remarkably prolonged, and potential energy waste is avoided.

The utility model provides an integrated membrane wall boiler two-return-stroke smoke cooling structure which is characterized in that air inlets are formed in preset positions of four walls of a two-return stroke, and branch pipes of a backflow smoke air pipe are inserted into the air inlets; a sealing box is arranged at the air inlet. The flue gas temperature in the cavity of the two-return-stroke hearth can be effectively reduced, existence of solid particle molten soft cores in the flue gas is greatly reduced, attachment of ascending pipes of the two-return-stroke and three-return-stroke connecting sections can be reduced, the blockage phenomenon caused by dust accumulation is reduced, and the operation time of the boiler is prolonged.

The utility model belongs to the field of waste gas treatment, and particularly relates to a waste gas cooling device which comprises a frame, a heat exchange tube is fixedly connected in the frame, and a plurality of fins are fixedly connected between the heat exchange tube and the inner side wall of the frame. The device further comprises a support, a plurality of push rods are fixedly connected to the side, close to the fins, of the support, a plurality of sets of bristles are fixedly connected to the surfaces of the push rods, a moving assembly capable of driving the support to move is arranged on the frame, and the bristles are made of elastic materials. By arranging the moving assembly, the support, the push rod and the bristles, when dust needs to be removed, the moving assembly drives the connecting base to move, the connecting base drives the support to move, the support enables the bristles on the push rod to move, the push rod corresponds to a gap between every two fins, and the bristles are driven by the moving mechanism to be inserted between the fins; therefore, the effect of cleaning and dedusting the fins can be achieved, and the influence of dust on the surface of the fins on the heat exchange effect can be reduced.

A biomass steam boiler comprises a combustion chamber and a cylindrical body arranged above the combustion chamber, an upper cavity and a lower cavity are communicated through a plurality of heat exchange pipes, a water pressing strip with the width smaller than the inner diameter of each heat exchange pipe is fixed to the top in each heat exchange pipe, and semicircular water pressing pieces arranged up and down are arranged on the sides of the water pressing strips respectively. The semicircular water pressing piece is formed by stamping, cutting and bending a water pressing strip body, a notch structure corresponding to the water pressing piece in shape is formed in the cutting portion of the water pressing strip, a smoke exhaust pipe is arranged on one side of the top of the outer portion of the body, a steam outlet is formed in the top of the upper cavity, and a water adding opening is formed in one side of the lower cavity. The water pressing strip and the water pressing piece form a good water blocking structure, water in the heat exchange pipe, particularly heated boiling water, can be greatly reduced, water resources can be effectively utilized, heat discharged along with the water is reduced, and liquid water can be effectively prevented from entering external equipment to corrode the external equipment for a long time.

The flow equalizing device comprises a machine body, a smoke collecting groove is formed in the bottom of the machine body, a flow dividing mechanism is arranged in the machine body, a flow dividing pipe is connected to the side edge of a main flow pipe, flow guide blades are arranged in the main flow pipe, a flow dividing circular ring set is arranged above a flow equalizing cover, and the flow dividing circular ring set is connected with the flow equalizing cover. The upper circular ring is connected with the lower circular ring through a first rotating shaft, and a purifying device is arranged above the flow dividing circular ring set. By arranging the flow dividing mechanism in the machine body, when the smoke amount is small, smoke uniformly passes through the flow equalizing holes only through the main flow pipe, the upper circular ring rotates to enable the outer ring holes to be staggered, and the smoke uniformly enters the purification device only through the upper inner ring holes and the lower inner ring holes; when the amount of smoke is large, the smoke enters the main flow pipe and bursts through the magnetic suction door curtain to enter the flow dividing pipe, the flow dividing circular ring set is arranged above the flow dividing mechanism, the smoke is further divided, and it is ensured that the smoke enters the purification device in a uniform, slow and reduced mode.

The utility model discloses a waste heat boiler flue gas waste heat recovery device which comprises a shell, the back face of the shell is fixedly connected with a motor, the output end of the motor is fixedly connected with a lead screw, the surface of the lead screw is in threaded connection with an adjusting rod, and the two sides of the front face of the adjusting rod are fixedly connected with vertical rods. One side of the vertical rod is fixedly connected with a heat exchange pipe, the surface of the heat exchange pipe is in contact with a brush rod, one side of the brush rod is fixedly connected with a connecting seat, one side of the connecting seat is movably connected with a movable rod, and one side of the movable rod is movably connected with a fixed seat. Filtered flue gas is discharged into the inner cavity of the heat exchange pipe through the first corrugated pipe and exchanges heat with water in the inner cavity of the shell, the motor drives the lead screw to rotate, the lead screw drives the adjusting rod to move, the adjusting rod drives the vertical rod to move, and the vertical rod drives the heat exchange pipe to move, so that the heat exchange pipe is in contact with water at different positions conveniently, and the heat exchange efficiency is improved. And the waste heat recovery work is prevented from being influenced by over-high local water temperature.

The invention relates to the technical field of hot flue gas desulfurization and dust removal, and discloses an efficient circulating hot flue gas desulfurization and dust removal integrated system and method.The efficient circulating hot flue gas desulfurization and dust removal integrated system comprises a dust pre-removal assembly, a heat exchange assembly, a second fan, a purification tank, a desulfurization assembly, a backflow assembly and a gas inlet pipe, and the output end of the dust pre-removal assembly is in through connection with the input end of the heat exchange assembly; by means of the scroll type heat exchange flow channel, when heat exchange is conducted, the space of heat exchange equipment is saved, meanwhile, the smoke flowing path is increased, so that the heat exchange time is prolonged, smoke preheating and recycling are more thorough, due to the layer-by-layer wrapping design of a scroll, external low-temperature smoke can preserve heat of inner-layer high-temperature smoke, and the heat exchange efficiency is improved. Therefore, the requirement for heat preservation of the heat exchange equipment is greatly lowered, the problem that a preheating recovery assembly in an existing efficient circulating hot flue gas desulfurization and dust removal integrated system is poor in preheating recovery effect is solved, and the operation cost of the flue gas desulfurization and dust removal integrated system is lowered.

The utility model discloses a wet desulphurization flue spraying device, which belongs to the technical field of flue gas desulfurization and comprises an absorption tower, a heat exchange box is arranged on the side portion of the absorption tower, a sucking pump is fixedly mounted on the side face of the heat exchange box, and a filtering mechanism is arranged at the input end of the sucking pump. The output end of the air extracting pump extends into an inner cavity of the heat exchange box and is fixedly connected with a heat exchange curved pipe. According to the flue gas treatment device disclosed by the utility model, flue gas to be treated is guided into the inner cavity of the gas spraying ring pipe through the matching of the first gas guide pipe, the filter box, the heat exchange curved pipe and the second gas guide pipe, and the flue gas is upwards dispersed and sprayed out by utilizing the plurality of gas spraying holes in the top of the gas spraying ring pipe; and meanwhile, atomization holes in a plurality of liquid spraying ring pipes are downwards atomized and sprayed out of desulfurization slurry by utilizing a liquid pump, so that the atomized desulfurization slurry is in contact with the dispersed flue gas, and sulfides in the flue gas are effectively removed.

This utility model relates to the field of heat exchange boiler technology, specifically a multi-stage heat exchange waste heat combustion boiler device, comprising a furnace body. A ring pipe is installed on the furnace wall below the furnace body, and multiple straight pipes in a circular array are installed on the furnace wall above the furnace body, communicating with the ring pipe. Multiple vertically arranged annular pipes are installed inside the furnace body. The advantages of this utility model are: the ring pipe is installed on the furnace wall below the furnace body, and multiple uniformly arranged straight pipes are installed on the furnace wall above the furnace body, communicating with the ring pipe. Multiple vertically arranged annular pipes are installed inside the furnace body, communicating with each other through connecting pipes. A straight cylinder is installed in the middle of the furnace body, communicating with the lowest annular pipe through a connecting pipe. In operation, flue gas is introduced through the ring pipe, sequentially entering multiple straight pipes and annular pipes, and exiting from the straight cylinder. By injecting the liquid to be heated into the furnace body, multi-stage heat exchange of the flue gas can be achieved, realizing the utilization of heat.

The utility model relates to a combined module integrating flue gas heat exchange and evaporation. According to the technical scheme, a combined module shell is placed in the horizontal direction, a smoke heat exchange module is arranged on the upper portion, and an evaporator module is arranged on the lower portion; an upper smoke inlet is formed in the upper side of the smoke heat exchange module, a water heat exchange coil pipe is installed in the smoke heat exchange module, one or more sets of refrigerant heat exchange coil pipes are arranged in the evaporator module, and the outer ends of one set of refrigerant heat exchange coil pipes are communicated with a first evaporator refrigerant inlet and outlet pipe. The outer end of the other group of refrigerant heat exchange coil pipes is communicated to a second evaporator refrigerant inlet and outlet pipe; and the lower side of the evaporator module is provided with a flue gas lower exhaust port. The heat exchanger has the beneficial effects that the phenomenon of flue gas temperature layering in the prior art is avoided, the water heat exchange coil pipe and the refrigerant heat exchange coil pipe are more uniformly contacted with high-temperature flue gas, the heat exchange efficiency is improved, and the problem of poor heat exchange of the evaporator on the lower side caused by condensed water flowing when the evaporator is vertically arranged is also avoided.

The utility model relates to a heat energy recycling system which comprises an energy-saving shell and a heat exchange tube bundle and is technically characterized in that a longitudinal partition plate is arranged in the energy-saving shell, an inner cavity of the energy-saving shell is divided into a left smoke passing space and a right smoke passing space by the longitudinal partition plate, and a supporting hole group corresponding to the heat exchange tube bundle is arranged on the longitudinal partition plate. Smoke inlets in one-to-one correspondence with the smoke passing spaces are formed in the front side wall of the energy-saving shell, first switching valves are arranged at the smoke inlets, a purging assembly is arranged at the top of the energy-saving shell, a dust collecting hopper is arranged at the bottom of the energy-saving shell, and a control valve is arranged on the lower portion of the dust collecting hopper; smoke outlets in one-to-one correspondence with the smoke passing spaces are formed in the rear side wall of the energy-saving shell, second switching valves are arranged at the smoke outlets, the outlet end of the heat exchange tube bundle is connected with the energy storage water tank through a pipeline, a water storage inner container is arranged in the energy storage water tank, and a heat preservation cavity is formed between the water storage inner container and the energy storage water tank. The system solves the problem that the heat exchange efficiency is low due to dust accumulation in an existing energy saver, and meanwhile the waste heat utilization rate is remarkably increased.

The invention relates to the technical field of gas-fired boilers, discloses an energy-saving gas-fired boiler and a using method thereof, and solves the problem that a large amount of heat is wasted due to the fact that high-temperature waste gas generated during combustion of an existing boiler is directly treated and discharged. The energy-saving gas-fired boiler comprises a boiler body, a waste heat recovery mechanism is arranged on the boiler body, and a fixing mechanism is arranged on the waste heat recovery mechanism; the waste heat recovery mechanism comprises a trapezoid frame fixed to the top of the furnace body, the top of the trapezoid frame is fixedly connected with a transverse pipe, the transverse pipe communicates with the furnace body through the trapezoid frame, a heating pipe penetrates through the interior of the transverse pipe, one end of the heating pipe is fixedly connected with a second coil pipe, and a first coil pipe is arranged on the outer side of the furnace body. Two supporting rods are symmetrically and fixedly connected between the first coil pipe and the transverse pipe. According to the boiler, water heated for the first time can be heated again when flowing slowly in the second coil pipe, the heated water can conveniently flow into the water tank to be stored, and therefore waste heat recovery can be conveniently conducted on high-temperature waste gas generated during combustion of the boiler body.

The utility model relates to temperature control device technical field especially a fractionation temperature control device, including base, the top of base is installed fractionation tower through the support leg, the side of fractionation tower is installed feed pipe, and install several discharge pipes on the other side of fractionation tower, the top of fractionation tower still is installed gas pipe, the top of base is installed conveying pump, the feed inlet department of conveying pump is installed first discharge pipe, the top of first discharge pipe is linked with the bottom of fractionation tower, the discharge port department of conveying pump is connected with second discharge pipe, the other end of second discharge pipe is fixed on the side of shell, and the shell is fixed on base. The application can wrap up the outer surface of second discharge pipe and feeding pipe through heat shield and heat preservation pad, so that the oil liquid conveyed in second discharge pipe and the steam heat conveyed in feeding pipe will not be quickly lost to the external environment, which can improve the temperature control precision of crude oil fractionation and improve the use effect.

The utility model relates to the field of horizontal type GGH heat exchangers, in particular to a damping type horizontal type GGH heat exchanger which comprises a shell. The outer side of the shell is fixedly connected with a mounting ring, the right side of the shell is provided with the cover, the left side of the cover is fixedly connected with a heat transfer pipe, the outer side of the heat transfer pipe is fixedly connected with a plurality of baffle plates, the inner side of the shell is provided with the front and back opposite sliding grooves, the sliding blocks are slidably connected in the sliding grooves, and fixing bolts are inserted between the mounting ring and the cover. A nut is in threaded connection with the outer side of the fixing bolt; an original sectional type shell is changed into an integrated design, a heat exchange structure formed by combining the heat transfer pipes and the baffle plates is fixedly connected with the cover, the sliding blocks fixedly connected to the baffle plates are aligned to the sliding grooves formed in the inner wall of the shell, and the cover and the shell are connected through the fixing bolts. By means of the design, the installation steps of the horizontal GGH heat exchanger are simplified, and the installation efficiency is improved.

The utility model relates to the technical field of plate-type heat exchange, in particular to a plate-type heat exchange structure for organic waste gas, which comprises a plurality of heat exchange mechanisms, a plurality of sealing mechanisms are mounted at the top of each heat exchange mechanism, each heat exchange mechanism comprises a heat exchange frame, an inner cavity is formed in each heat exchange frame, and a plurality of sealing mechanisms are mounted at the top of each heat exchange mechanism. A heat exchange pipe is fixedly connected to the interior of the heat exchange frame, the heat exchange pipe is located in the inner cavity, the two ends of the heat exchange pipe extend to the outer side of the heat exchange frame, a through hole is formed in the bottom of the heat exchange frame, the sealing mechanism comprises a cover plate, and a connecting pipe is fixedly connected to the top of the cover plate; and the position of the connecting pipe corresponds to the position of the through hole. The utility model provides an organic waste gas plate type heat exchange structure which is convenient to disassemble and clean and not easy to block.