1034results about "Chimneys" patented technology

A method of recovering carbon dioxide from flue gases of a plurality of carbon dioxide emitters (1, 2, 3, 4) of a process plant network (100) is proposed, wherein the carbon dioxide emitters (1, 2, 3, 4) comprise individual flue gas ducts (11) operated at individual flue gas duct pressures, wherein each of the individual flue gas ducts (11) is connected via a pressure maintaining valve (13) to a common flue gas collecting duct (10), wherein each of the individual flue gas ducts (11) is connected via a flue gas flap (14) to an individual or common flue gas release unit (15), wherein the flue gas collecting duct (10) is connected to a carbon dioxide removal arrangement (20) including a flue gas blower (21), wherein the method comprises controlling flue gas duct pressures in the individual flue gas ducts (11) by operating the pressure maintaining valves (13) using flue gas duct pressure set values, the flue gas duct pressure set values corresponding to pressures required to release the respective flue gas via the individual or common flue gas release unit (15) at an opened state of the respective flue gas flap (14) to the atmosphere, and wherein the method further comprises adjusting a pressure in the flue gas collecting duct (10) by operating the flue gas blower (21). A process plant network (100) is also proposed.

A fire safety system, comprising a first-level fire-fighting unit (11) and a second-level fire-fighting unit (12), wherein the first-level fire-fighting unit (11) cooperates with the second-level fire-fighting unit (12) to perform safety protection on batteries of the entire energy storage device, thereby improving the safety of the entire energy storage device, and solving the problems of the treatment effects of fire safety measures for existing energy storage devices not being ideal and the energy storage devices having safety hazards. Further disclosed are a centralized fire safety system, an energy storage device, and an energy storage system.

The invention discloses an air preheating biomass boiler, belongs to the technical field of boilers, and aims to solve the problems of low combustion efficiency, insufficient flue gas waste heat utilization and particulate matter emission of a traditional biomass boiler. Function optimization is achieved through a main body structure composed of a furnace body, a charging barrel and a rotating pipe, a double-spiral-disc heat exchange assembly is arranged in the charging barrel, biomass fuel is preheated through boiler exhaust smoke waste heat, meanwhile, smoke is discharged through exhaust holes after being distributed through spiral disc gas storage cavities, and unburned particles are filtered by a biomass layer and carried to a hearth to be subjected to secondary combustion; an air inlet cavity is formed in the rotating pipe, and air is preheated through the fixed pipe and the first connecting pipe and then input into the hearth. The exhaust assembly adopts a sliding rod and sealing block matched structure, and a convex block mechanism driven by a rotating pipe drives the sealing block to periodically move, so that gas in the charging barrel is intermittently exhausted through a double-layer filter screen. According to the boiler, the heat efficiency is improved through a smoke-air two-way preheating and particulate matter secondary combustion mechanism, and the biomass preheating, air heating and emission treatment process is optimized.

The present invention relates to the field of gas water heaters, in particular to a smoke exhaust pipe. The smoke exhaust pipe comprises a pipe body, a mounting part is inserted into one end of the pipe body, a rainproof pipe is sealingly connected to the mounting part, and an outer end opening of the rainproof pipe is inclined downward. The smoke exhaust pipe provided by the present invention has the advantages of being convenient to mount and having a good rainproof effect.

The invention relates to a thermal power plant boiler flue gas waste heat recycling system, and belongs to the technical field of boiler flue gas waste heat recycling. The flue gas waste heat recycling system for the boiler of the thermal power plant comprises a smoke exhaust pipe; a cleaning module and a heat exchange assembly are sequentially arranged in the smoke exhaust pipe in the smoke inlet direction. According to the flue gas treatment device, flue gas can be treated in a centralized mode under the action of the cleaning module, heat loss can be reduced in the treatment process, follow-up heat exchange operation is facilitated, and smoke dust in the cleaned flue gas can be intercepted in a connecting ring and independently discharged through a discharging structure; flue gas flows to drive a driving blade to enable a rotating ring to rotate, then a rotating shaft is driven to enable a second spiral conveying plate to rotate, smoke dust guided into a fixing pipe is conveyed and discharged, the cleaning difficulty is reduced, meanwhile, the smoke dust adhering to the surface of the driving blade can be cleaned under the combined action of a knocking ball, a mounting rod, the rotating shaft and a clockwork spring, and the practicability is high. And the cleaning effect is effectively improved.

The utility model discloses a flue structure of a gas water heater, which relates to the field of flue structures and comprises a straight pipeline, a check valve is mounted at the end of the straight pipeline, a push rod is slidably mounted at one end, close to the check valve, of the inner wall of the straight pipeline, and two ends of the push rod directly face two valve plates of the check valve respectively. According to the flue structure of the gas water heater, the straight pipeline is provided with the push rod and the push assembly, and when a valve plate of a check valve cannot be normally opened due to adhesion when the gas water heater is not used for a long time, the push assembly can be operated to drive the push rod to push the valve plate of the check valve under the condition that the straight pipeline and the check valve are not disassembled, so that the valve plate of the check valve can be normally opened; compared with a traditional method, the smoke exhaust device has the advantages that operation is more convenient, and the problem of adhesion of the valve plate is better solved.

The invention discloses a boiler flue gas waste heat recovery and utilization system which comprises a boiler barrel, one end of the boiler barrel is communicated with a front smoke box, the other end of the boiler barrel is communicated with a rear smoke box, one end of the front smoke box is fixedly provided with a combustor, a combustion opening of the combustor is communicated with a hearth, and the hearth is fixedly installed in the boiler barrel. A transition smoke box is installed at one end of the hearth in a communicating mode, a first return pipe is installed between the transition smoke box and the front smoke box in a communicating mode, and a second return pipe is installed between the front smoke box and the rear smoke box in a communicating mode, so that smoke enters the rear smoke box along the second return pipe and is exhausted from a first smoke exhaust pipe. And the second smoke exhaust pipe exhausts the smoke into the waste heat recovery mechanism. Through the design of the waste heat recovery mechanism, exhausted smoke is used for heating sucked air, high-temperature air is mixed with coal, more sufficient oxygen can be provided when the coal is combusted in the hearth, and the combustion reaction is more complete.

The utility model relates to the technical field of gas water heaters, and discloses a gas water heater which comprises a whole machine shell, a gas inlet pipe and a gas outlet pipe. The main board is used for supplying power to the electric components; the power supply is used for supplying power to the mainboard; the smoke exhaust pipe comprises an inner-layer smoke pipe and an outer-layer smoke pipe, the inner-layer smoke pipe comprises a thermoelectric power generation sheet, the thermoelectric power generation sheet is connected with a power supply, the inner side of the inner-layer smoke pipe forms a smoke exhaust channel, the smoke exhaust channel is communicated with the whole machine shell, the outer-layer smoke pipe surrounds the inner-layer smoke pipe, an airflow channel is formed between the outer-layer smoke pipe and the inner-layer smoke pipe, and the outer-layer smoke pipe is provided with an air inlet hole; the gas water heater does not need to be externally connected with a mains supply, during power failure, electricity stored by the power source can be supplied to the main board, the main board supplies electricity to all electric components, the gas water heater can be normally ignited for use, and in the normal use process of the gas water heater, the gas water heater is not prone to being damaged. And the power generated by the thermoelectric power generation sheet continuously charges the power supply.

The utility model relates to the technical field of denitration devices, in particular to dust removal and gas mixing integrated equipment for a denitration device, which comprises a boiler tail flue and a T-shaped flue. The T-shaped flue comprises a horizontal flue and a vertical flue vertically communicated with the horizontal flue, a smoke inlet of the horizontal flue is communicated with a smoke outlet of a tail flue of the boiler, one or more flue wind speed balance baffles are arranged in the horizontal flue, and a smoke outlet of the vertical flue is communicated with the denitration device; a strip-shaped grid fluid director is arranged at a connecting port of the vertical flue and the horizontal flue, one or more baffling dust removers are arranged in the horizontal flue below the strip-shaped grid fluid director, and the horizontal flue is connected with an ash storage bin below the baffling dust removers; and an ammonia spraying grid and a plurality of wind wheel ammonia mixers are arranged in the vertical flue above the strip-shaped grid fluid director. By using the integrated equipment, the flue gas can be effectively dedusted and uniformly mixed with ammonia before entering the denitration device.

The utility model relates to a condensation type gas water heater which comprises an outer shell, a combustion chamber, a heat exchange chamber and a condensation chamber, the combustion chamber, the heat exchange chamber and the condensation chamber are arranged in the outer shell, and a water collecting box is arranged below the condensation chamber and used for collecting condensate water formed in the condensation chamber. An atomizing nozzle is arranged above the condensing chamber, is communicated with the water collecting box through a water pipe fitting and is communicated with an air pump through an air pipe fitting; after the air pump is started, high-pressure gas is formed and conveyed into the atomizing spray head through the air pipe fitting, negative pressure formed in the atomizing spray head provides power for the condensed water to be sucked into the atomizing spray head, and the condensed water is impacted and scattered into mist by the high-pressure gas and then discharged outdoors along with smoke; according to the condensate water treatment mode, a pipeline and a device for discharging and treating the condensate water do not need to be designed, the whole machine is small in size and convenient to install, in addition, the condensate water is treated in time, and the problems that the condensate water is frozen in a low-temperature state in winter and the like can be solved.

The utility model relates to the technical field of outdoor gas water heaters, and discloses a smoke exhaust hood structure which comprises an installation face, a smoke exhaust hood body and a smoke exhaust hood body. The cover body is connected to the mounting surface and comprises a top cover and a side cover; the top end of the side cover is connected with the edge of the top cover in a surrounding manner, the bottom end of the side cover is connected with the mounting surface in a surrounding manner, and the top cover, the side cover and the mounting surface are matched to form a smoke exhaust cavity communicated with the smoke outlet; the side cover is provided with a plurality of smoke outlets; and the buffering structure is provided with a flow guide face aligned with the smoke outlet, and the flow guide face is connected with the bottom end of the top cover and used for conducting flow guide buffering on smoke exhausted from the smoke outlet. According to the utility model, the flue gas flow path can be adjusted, the flue gas can be buffered, and the direct collision between the flue gas and the top cover during high-power work can be effectively reduced, so that the flue gas discharge resistance is reduced, and the flue gas discharge efficiency is improved.

The utility model provides a biomass boiler flue gas temperature control device which comprises a boiler smoke exhaust pipe, a mounting plate, a temperature adjusting structure, a temperature detection area, an upper end extension pipe and a flue gas exhaust port, and the mounting plate is fixedly mounted at the lower end of the boiler smoke exhaust pipe and connected to a biomass boiler; the temperature adjusting structure is fixedly installed at the upper end of a boiler smoke exhaust pipe, the temperature detection area is fixedly installed at the upper end of the temperature adjusting structure, and the upper end extension pipe is fixedly installed at the upper end of the temperature detection area. The flue gas exhaust port is fixedly mounted at the top of the upper end extension pipe; due to the arrangement of the temperature adjusting structure and the flue gas exhaust port, the temperature of exhausted flue gas can be rapidly detected, and the temperature of the flue gas can be rapidly reduced.

Disclosed is a hydro furnace (100, 200) comprising: combustion chamber (102, 202) comprising first flue gas outlet (110, 212) and second flue gas outlet (112, 214); inner flue gas pipe (104, 204) having first end (114, 222) and second end (116, 224), first end being connected to first flue gas outlet, inner flue gas pipe further comprising multiple pipes (118a, 118b, 118c, 118d, 118e, 118f, 226), each of multiple pipes comprising third end (120, 228) and fourth end (122, 230), and being arranged to cross through inner flue gas pipe; liquid jacket (106, 234) surrounding at least partially combustion chamber and inner flue gas pipe, liquid jacket comprising liquid inlet (124, 220) and liquid outlet (126, 240), wherein third and fourth ends of multiple pipes are connected to liquid jacket; and bypass flue gas pipe (108) having fifth end (128) connected to second flue gas outlet and sixth end (130).

The invention relates to the technical field of pipeline installation, in particular to a smoke prevention and exhaust air pipe installation process based on multi-dimensional data monitoring, which comprises the following steps of: hoisting a smoke prevention and exhaust air pipe at a preset place according to a drawing, and judging whether the smoke prevention and exhaust air pipe has an abnormal risk or not based on a comparison condition among gray level fluctuation parameters of each monitoring area; and determining a vibration fluctuation curve of each stress observation point of the smoke prevention and exhaust air pipe in the hoisting process, carrying out synchronous vibration analysis to judge the abnormal tendency category of the smoke prevention and exhaust air pipe, and determining to add a hoisting point in the air pipe characteristic region based on the abnormal tendency category, or marking a defect risk region based on a gray level fluctuation parameter and sending out an early warning. According to the method, whether the abnormal risk exists or not is rapidly recognized according to the surface image of the smoke prevention and exhaust air pipe, the installation parameters of the smoke prevention and exhaust air pipe are adaptively adjusted according to synchronous vibration analysis of all stress observation points, and the installation process precision and installation efficiency of the smoke prevention and exhaust air pipe are improved.

A non-return valve for a flow channel has a housing and an outflow opening that can be closed by a pivoting blocking flap. The blocking flap has a dome-shaped bulge. An opening edge of the outflow opening has a hinge region for the blocking flap that transitions into a blocking flap stop region circumferentially opposite the hinge region. The blocking flap stop region is offset so that the opening edge has a progression that is curved in the circumferential direction and in the outflow direction. The housing has an indentation in the circumferential direction, which is not closed by the blocking flap such that the indentation forms a condensate chamber when the housing is inserted into the surrounding flow channel. The indentation is equipped with a flow opening, through which a condensate accumulating in the condensate chamber delimited by the indentation can flow in the interior of the housing.

The utility model provides an exhaust fume collecting hood and gas water heating equipment comprising the exhaust fume collecting hood. The smoke collecting hood comprises a hood shell used for collecting smoke, a smoke exhaust pipe extending upwards from the hood shell, and a baffle assembly fixedly contained in the smoke exhaust pipe. The baffle assembly comprises a support fixedly installed in the smoke exhaust pipe, a rotating shaft arranged on the support and a pair of baffles which are arranged on the rotating shaft in a pivoted mode and can be opened and closed. The support is further provided with a limiting piece which extends upwards and abuts against the pair of baffles when the pair of baffles are clamped so as to limit the minimum clamping angle between the pair of baffles. By arranging the limiting piece, the baffle cannot cross the rotating shaft to be overlapped with the baffle on the other side after being blown up, and therefore the baffle can smoothly fall back to the original closing position.

The present invention discloses a garbage power generation combustion device and process, in which a cyclone separator I is used to separate and purify the flue gas once after the grate furnace, and the separated solids enter the slag bin. The flue gas after the primary separation and purification enters the heat exchange flue gas duct for heat exchange, thereby fully utilizing the waste heat of the flue gas. In addition, the flue gas is directly used as the heat source of the air preheater in the heat exchange, and the waste heat is used to preheat the primary air and the secondary air, thereby improving the combustion quality and efficiency of the garbage. The flue gas after the heat exchange will be deacidified in the deacidification reaction tower, and after deacidification, it will be cyclone-separated again, and finally dusted in the dust collector, thereby improving the cleanliness of the flue gas.

The invention relates to the field of waste incineration, in particular to an environment-friendly incinerator for waste treatment, and solves the problems of insufficient combustion, heat loss and low residue cleaning efficiency of a traditional device. The device comprises a main cylinder, a contraction unit, an incineration unit, an iris opening and closing mechanism, a conical cylinder, an incineration assembly and a transmission assembly. The upper end and the lower end of the main barrel are communicated, the contraction unit drives a strip-shaped plate to vertically accumulate garbage, the incineration unit can move up and down and spits fire through an electric control nozzle, internal and external oxygen supply is achieved through the incineration assembly and the conveying assembly, heat loss is reduced through an iris opening and closing mechanism, and the conical barrel is matched with the collecting barrel to automatically collect residues. The structure is optimized, the incineration efficiency is improved, harmful residues and energy consumption are reduced, the treatment continuity is guaranteed, and the device is suitable for reduction and innocent treatment of domestic and industrial waste.

The biomass particle hot blast stove comprises a stove body, a feeding assembly, a combustion assembly, a heat exchange assembly and a smoke exhaust assembly. The combustion assembly is arranged in the furnace body, a combustion chamber of the combustion assembly is sequentially divided into a drying pyrolysis area, a main combustion area and a burnout area in the conveying direction of biomass particles, and ordered partitioned combustion of preheating, sufficient combustion and complete burnout of fuel is achieved; the heat exchange assembly comprises a first heat exchange set arranged above the combustion assembly and a second heat exchange set arranged in the circumferential direction of the combustion assembly, and a three-dimensional and multi-layer waste heat recovery structure is formed. The combustion efficiency and the burn-off rate of the biomass particles are obviously improved; through the first heat exchange set and the second heat exchange set, efficient and sufficient recovery of combustion waste heat is achieved, and the overall heat efficiency and the energy utilization rate of the hot blast stove are greatly improved.

The utility model provides a novel steel chimney windproof structure, and relates to the technical field of boiler appliances. An upper drainage cover is connected to the top of the outer side of the windproof cover body in a welded mode. The outer side of the windproof cover main body is also connected with a lower drainage cover in a welding manner; ten outer shielding plates are welded to the outer wall of the windshield body in an annular arrangement mode. Ten inner shielding plates are welded on the inner wall of the windproof cover main body in the same annular arrangement manner; a water collecting groove is further welded to the inner wall of the windproof cover body. According to the windproof structure, rainwater can be prevented from entering the steel chimney in rainy days, adverse effects on the internal temperature of the boiler are avoided, meanwhile, the inner wall of the steel chimney can be prevented from being corroded, and the service life is prolonged.

The present invention discloses a method for collecting flue gas near the furnace to increase the SCR inlet temperature, which relates to the technical field of tail gas treatment. The method includes dividing flue ducts into a first flue duct and a second flue duct according to the historical information of the flue gas in each flue duct; obtaining the real-time information of the flue gas in each flue duct, and determining the respective fluctuation information corresponding to the first flue duct and the second flue duct based on the real-time information of the flue gas in each flue duct; planning the target inlet temperature of the SCR system for a future period according to the fluctuation information; mixing the first flue duct and the second flue duct in the mixing area, and determining whether to heat the mixing area based on the mixed flue gas information and the target inlet temperature of the SCR system; inputting the mixed flue gas into the SCR system, and obtaining the real-time SCR treatment information, and adjusting the heating amount of the mixing area according to the real-time SCR treatment information and the target inlet temperature of the SCR system for a future period. The adaptability of flue gas collection is improved, the desulfurization efficiency of the SCR system is ensured, and thus resources are saved.

According to the technical scheme, the gas-fired boiler is characterized in that the gas-fired boiler comprises a boiler body, the boiler body is arranged to be in a circular tube shape with the horizontal axis, and the two ends of the boiler body are closed; the combustion chamber is arranged at one end of the furnace body; the flue is arranged on the side, close to the other end of the furnace body, of the combustion chamber, and the flue is an annular channel; the smoke exhaust pipe is connected to the end, away from the combustion chamber, of the flue, and the smoke exhaust pipe is provided with an auxiliary part; the chimney is connected to one end, far away from the flue, of the auxiliary part; the water inlet tank is arranged on the outer side of the end, away from the combustion chamber, of the furnace body, and the auxiliary part is arranged in the water inlet tank; the preheating chamber is arranged on the inner side of the circular ring of the flue and is a circular pipe coaxial with the flue; and a heating chamber; and through the arrangement of the flue, the preheating chamber, the auxiliary part and the water inlet tank, heat of high-temperature flue gas generated by combustion can be fully utilized, and the utilization rate of the heat is increased.

The invention discloses a flue gas flow equalizing device for a turning flue of a compact boiler, and relates to the technical field of flue gas flow equalizing devices. The device comprises a flow guide plate arranged at an inlet of a turning flue and used for preliminary flow guide; the different-diameter flow equalizing pore plate is arranged at the downstream of the flow guide plate, and the flue gas flow speed is balanced through the differentiated design that small holes are formed in the high flow speed position and large holes are formed in the low flow speed position; and the rectifying grid is arranged at the downstream of the reducing flow equalizing pore plate so as to further optimize the uniformity of the flow field. Through a three-stage flow equalizing system formed by the guide plates, the different-diameter flow equalizing pore plates and the rectifying grids, the problem that the flue gas flow velocity at the turning flue of the compact boiler is not uniform is solved, and while the denitration efficiency is improved, the device has the advantages of being simple in structure, low in manufacturing cost, small in occupied space and the like.

The utility model discloses a boiler smoke exhaust pipe, belongs to the technical field of boiler accessories, and provides a boiler smoke exhaust pipe capable of effectively preventing airflow from flowing backwards. The boiler smoke exhaust pipe comprises an inner pipe body and an outer pipe body, the upper end of the inner pipe body is a first horizontal section, and the lower end of the outer pipe body is a second horizontal section; the end of the second horizontal section and the end of the first horizontal section are fixed through a connecting piece, a receding groove is formed in the first horizontal section, the first horizontal section is provided with a one-way opening door in the receding groove, the one-way opening door comprises a configuration ring clamped in the receding groove, and the inner diameter of the configuration ring is larger than that of the first horizontal section. The inner diameter of the configuration ring is smaller than or equal to that of the second horizontal section, and the configuration ring is rotationally connected with two half-moon plates through two parallel limiting shafts on the inner wall. The smoke exhaust pipe is divided into the two sections, each section is provided with the horizontal part, the one-way opening door structure is arranged between the end faces of the horizontal parts, normal smoke exhaust can be achieved, rainwater can be effectively prevented from flowing backwards, and therefore the safety of the boiler is improved.

To provide a chimney internal inspection method capable of inspecting a state of an inner surface of a chimney with more high accuracy.SOLUTION: A chimney internal inspection method comprises: flying a flying object equipped with an optical sensor inside the chimney; measuring a distance to the inner peripheral surface of a chimney with the optical sensor while flying the flying object in a predetermined measurement target range of the inner peripheral surface; and based on the measurement result, generating a distribution map showing unevenness distribution in the measurement target range of the inner peripheral surface.SELECTED DRAWING: Figure 6

The utility model discloses an ash gasification boiler empty flue which comprises a vertically-arranged empty flue body, a water-cooling enclosure wall is arranged in the empty flue body, an input port used for inputting flue gas is formed in the upper end of the empty flue body, the axial direction of the input port is perpendicular to the axis direction of the empty flue body, and an output port used for outputting the flue gas is formed in the lower end of the empty flue body. The output port communicates with the superheater; the water-cooled enclosure wall comprises water-cooled walls arranged on the front side, the rear side, the left side and the right side of the empty flue; and the input end and the output end of the water cooling wall are respectively communicated with a lower collecting box for supplying water and an upper collecting box for discharging a steam-water mixture. According to the utility model, after the flue gas vertically enters the empty flue from the input port, the flue gas can transfer heat with the water-cooling enclosure wall in the empty flue for many times, so that the flue gas can be efficiently cooled, and the flue gas is output from the output port after being cooled and acts with the heating surface of the superheater, thereby reducing the corrosion of the flue gas to the tube bundle of the superheater.

The utility model provides a flow guide structure of a desulfurization and denitrification flue gas flow field, and aims to solve the technical problem that a desulfurization and denitrification flue in the prior art cannot stably run for a long time. The flow guide structure comprises a flue, one end of the flue is provided with a flue gas inlet, and an included angle is formed between the top face of the flue and the end of the flue gas inlet end; the flow guide plate is arranged in the flue, one end of the flow guide plate is fixedly arranged on the flue gas inlet, the other end of the flow guide plate is arranged in the extending direction of the flue, and an included angle smaller than 90 degrees is formed between the length direction of the flow guide plate and the end portion of the flue gas inlet end; a plurality of guide plates are arranged in the flue and are arranged at intervals from the top of the flue to the bottom of the flue. Flue gas passing through the flow guide plate is subjected to flow guide adjustment, a gas flow field is changed, a stable gas flow field is formed in the flue, vortexes are prevented from occurring in the flue, the inner wall of the single side of the flue is prevented from being scoured, and it is ensured that the flue gas entering the desulfurization and denitrification system is in a stable state.

The invention discloses a boiler smoke damper transmission mechanism and a boiler, and relates to the technical field of exhaust gas devices; the boiler smoke damper transmission mechanism comprises a first connecting rod, a second connecting rod, a transmission unit, a transverse connecting rod and a linkage unit which are connected in sequence, the transmission unit comprises a transmission water drop plate and a transmission shaft which are connected to each other, the linkage unit comprises a linkage water drop plate and a linkage shaft which are connected to each other, and also comprises third to fifth connecting rods, the number of the transmission units is two, the transmission shaft comprises a first transmission shaft and a second transmission shaft, the transverse connecting rod comprises a first transverse connecting rod and a second transverse connecting rod, and the linkage unit comprises a first linkage unit and a second linkage unit; the boiler comprises a furnace body, a vertical shaft arranged in the furnace body and the above-mentioned smoke damper transmission mechanism arranged on the furnace body; it drives two staggered linkage units through two transmission units, etc., so that the boiler smoke damper transmission mechanism has a good working effect and is not easy to get stuck.

The utility model relates to the technical field of household appliances, in particular to a combustion device and a gas water heater, and the combustion device comprises a combustor used for forming flames and provided with a combustion port for spraying the flames outwards; the smoke guide shell is internally provided with a smoke guide channel which is communicated with the combustion port and is used for exhausting smoke generated by combustion upwards, and an opening in the lower end of the smoke guide channel is connected with the combustion port, so that a combustion area for flame combustion is formed in the smoke guide channel; a heat resistance structure is formed in the side wall of the smoke guide channel, and comprises a heat resistance cavity formed in the side wall of the smoke guide channel; the air outlet hole channel is used for communicating the heat resistance cavity with the smoke guide channel; the lower end area of the heat resisting cavity is communicated with the outer space of the smoke guiding shell through the air inlet hole channel. The combustion device can prevent heat from being dissipated outwards through a simple structure, so that the combustion device has higher economical efficiency; the utility model further discloses the gas water heater with the combustion device.

The utility model belongs to the technical field of combustors, and particularly relates to an outdoor combustor. Comprising a combustion tube, the top of the combustion tube is connected with a coaxial connecting tube, and the top of the connecting tube is connected with a glass tube; the bottom of the combustion pipe is connected with a branch pipe, the bottom of the branch pipe is provided with a base, the top of the branch pipe is provided with a baffle, and the side part of the combustion pipe is connected with an inclined blanking pipe for feeding from the upper part; the shell wraps the combustion tube; according to the scheme, the use experience of the outdoor burner is improved by adopting the connecting pipe engraved with the leakage holes, and the shapes of the leakage holes can be mapped to the ground during burning to form attractive light spots; meanwhile, the overall smoke exhaust performance can be improved through the design of the ventilation pipe and the smoke exhaust hole, the overall stability can be improved through the design of the shell and the base, and the situations such as rollover are not likely to happen in the using process; and finally, the shell and the base can collect cigarette ash generated by combustion, and the convenience during cleaning can also be improved through the detachable connection mode.