Full premix condensing heat exchanger of high-efficient heat transferTechnical Field
The invention relates to the field of heaters, in particular to a full-premix condensing heat exchanger with efficient heat exchange.
Background
The full premix condensing heat exchanger adopts an integrated design, the main heat exchanger and the condensing heat exchanger are not distinguished any more, the whole heat exchange process is completed by one heat exchanger, the flue gas can be condensed and condensed water can be generated at any position of the heat exchanger, the condensing type wall hanging stove works for more than ten hours each day in heating seasons, and the advantages are obvious in the heating industry.
Through retrieval, chinese patent application with the application publication number of CN218846456U discloses a full-premix condensing heat exchanger with efficient heat exchange, which comprises a shell, wherein a combustion chamber, a heat exchange chamber and a condensation smoke exhaust chamber which are sequentially communicated are arranged in the shell, a water inlet, a water outlet and an air inlet pipe are arranged on the shell, the water inlet and the water outlet are respectively communicated with the heat exchange chamber, the air inlet pipe is communicated with the combustion chamber, the heat exchange chamber comprises a heat exchange coil and a heat conducting fin, the heat exchange coil is spirally wound on the outer wall of the heat conducting fin, a plurality of heat conducting channels are longitudinally arranged in the heat conducting fin, so that heat flow is conducted to the whole heat conducting fin along the heat conducting channels, a plurality of dispersing channels are transversely arranged at the lower part of the heat conducting fin, so that heat flow transmitted on the heat conducting channels can uniformly transversely flow along the dispersing channels, a plurality of flow guide sheets are arranged in the dispersing channels, heat exchange area is increased, the heat flow is dispersed to the periphery, and the flow speed of the heat flow in the heat conducting fin is further slowed down, and the heat conducting fin can fully absorb heat.
When the existing heat exchanger exchanges heat, water is usually conveyed to the inside of the heat exchanger through a cold water pipe, and the cold water is heated through the burner, heated hot water is discharged through a hot water pipe, but the cold water cannot be heated through the burner due to the fact that the flow speed of the water flow is faster in the heating process, so that the heat exchange effect of the heat exchanger is poor.
Disclosure of Invention
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a full premix condensing heat exchanger of high-efficient heat transfer, includes the casing, cold mouth of a river and hot water mouth have been seted up respectively at the both ends of casing one side, and one side of cold mouth of a river and hot water mouth has been passed through flange joint respectively and have cold water pipe and hot water pipe, the through-hole has been seted up to one side of casing, and the inner wall of through-hole has been passed through bolted connection and has been seted up the connector, and the inner wall of connector has the ignition needle through bolted connection, the air inlet has all been run through at the both ends of inner tank one side, and the inner wall of two air inlets has gas pipe and air pipe through flange joint respectively, the both sides of casing all are provided with condensation mechanism, one side of casing and one side of inner tank all run through and have been seted up the gas vent, and be provided with the blast pipe between two gas vents, a plurality of heat conduction mouths have all been run through to the both sides outer wall of inner tank, and the inner wall of heat conduction mouth has the heat conducting strip through bolted connection, the both sides of casing inner wall all are provided with first rabbling mechanism, and are provided with drive assembly between two first rabbling mechanism.
Preferably, the first rabbling mechanism includes extension board, bull stick, a plurality of sleeve and a plurality of blade, and one side of extension board and one side inner wall welding of casing, form through the bearing between one end of bull stick and the extension board and rotate to be connected, a plurality of sleeves equidistance are fixed cup joints on the outer wall of bull stick, a plurality of blades equidistance are fixed on telescopic outer wall, the blade is magnetic material, the crisscross distribution of blade on two adjacent sleeves, one end of one of them bull stick has the impeller through bolted connection, the impeller is located one side of cold water pipe.
Preferably, a buffer pad is arranged between two adjacent heat conducting fins, one side of the buffer pad is bonded with the outer wall of the inner tank, the other side of the buffer pad is bonded with a magnet, the magnet and the blades repel each other, the buffer pad is made of hollow elastic materials, the outer walls of the two sides of the buffer pad are all penetrated and provided with spray holes, the inner wall of each spray hole is provided with a spray pipe, and one end of each spray pipe is obliquely arranged.
Preferably, the transmission assembly comprises two belt pulleys and a belt, the two belt pulleys and the belt are connected in a rotating way, the shaft rods are welded at one ends of the two rotating rods, the two belt pulleys are fixedly sleeved on the outer wall of the shaft rods, and the inner wall of the belt is provided with a plurality of tooth grooves.
Preferably, the condensing mechanism comprises two brackets, a condenser, a liquid inlet pipe and a drain pipe, wherein one side of the two brackets is connected with one side of the shell through bolts, the two brackets are fixedly connected with the condenser, a liquid inlet is formed in one side of the shell, two ends of the liquid inlet pipe are connected with the liquid inlet and the condenser through flanges, and one end of the condenser is connected with the drain pipe through flanges.
Preferably, a second stirring mechanism is arranged on one side of the inner wall of the shell, and the second stirring mechanism is matched with the first stirring mechanism.
Preferably, the second stirring mechanism comprises a gear, a supporting seat, a rotating shaft, a connecting sleeve and a plurality of stirring blades, wherein two ends of the supporting seat are welded with inner walls of two opposite sides of the shell, one side of the supporting seat is in rotary connection with the rotating shaft through a bearing, the gear is fixedly sleeved on the outer wall of the rotating shaft, the gear is meshed with the tooth grooves, the connecting sleeve is fixedly sleeved on the outer wall of the rotating shaft, and the stirring blades are fixed on the outer wall of the connecting sleeve at equal distance.
Preferably, the stirring blade is obliquely arranged on the outer wall of the connecting sleeve.
The beneficial effects of the invention are as follows:
According to the invention, through the first stirring mechanism, cold water is conveyed to the inside of the shell through the cold water pipe during heat exchange treatment, gas is conveyed to the inside of the inner tank through the gas pipe, air enters the inside of the inner tank through the air pipe, at the moment, the ignition needle is started, the ignition needle can burn the gas, heat is transferred through the heat conducting fin, thereby facilitating the heating treatment of the cold water, during the period, when the cold water enters the inside of the shell through the cold water pipe, the impeller drives the rotating rod to rotate under the impact of the cold water, at the moment, the sleeve can drive the blades to synchronously rotate, so that the cold water can be stirred through the rotation of the blades, thereby improving the contact effect between the cold water and the heat conducting fin, and because the blades are made of magnetic materials and mutually exclusive, when the blades rotate, the distance between the blades and the magnet is gradually close, at the moment, the magnet can squeeze the cushion pad under the action of repulsive force, the gas in the inside can be sprayed out through the spray pipe after being squeezed, thereby reducing the flowing speed of the cold water through the sprayed air, thereby facilitating the improvement of the heating effect of the cold water on the heat conducting fin, thereby preventing the cold water from being heated by the heat conducting fin, and being poor in the heat exchange effect of the heat conducting fin due to the rapid heat conducting effect of the cold water flow in the heating process;
According to the invention, through the first stirring mechanism and the second stirring mechanism, when the first stirring mechanism is used for stirring cold water, the other first stirring mechanism is used for stirring water through the transmission assembly, so that the heat exchange effect of the heat exchanger is improved, and when the transmission assembly rotates under the action of the first stirring mechanism, the transmission assembly is meshed to drive the rotating shaft to rotate, at the moment, the stirring blades synchronously rotate along with the rotation of the rotating shaft, so that the stirring blades are used for stirring the cold water, so that the heat exchange effect of the heat exchanger is improved, at the moment, when the stirring blades rotate, the stirring blades drive the cold water to flow back, so that the flow speed of the cold water is slowed down, the heat conducting sheet is convenient for heating the cold water, and the heat exchange effect of the heat exchanger is further improved.
Drawings
FIG. 1 is a schematic diagram of a fully premixed condensing heat exchanger with efficient heat exchange according to the present invention;
FIG. 2 is a schematic cross-sectional view of a fully premixed condensing heat exchanger with efficient heat exchange according to the present invention;
FIG. 3 is a schematic view of a partial structure of a fully premixed condensing heat exchanger with efficient heat exchange according to the present invention;
FIG. 4 is a schematic structural diagram of a first stirring mechanism and a second stirring mechanism of a full premix condensing heat exchanger with efficient heat exchange;
FIG. 5 is a schematic diagram of the structure at A in FIG. 4;
FIG. 6 is a schematic diagram of a transmission assembly and a second stirring mechanism of a fully premixed condensing heat exchanger with efficient heat exchange;
Fig. 7 is a schematic structural diagram of a second stirring mechanism of a full premix condensing heat exchanger with efficient heat exchange according to the present invention.
In the drawing, 1, a shell, 2, a condenser, 3, a bracket, 4, a liquid inlet pipe, 5, an exhaust pipe, 6, a through hole, 7, a water drain pipe, 8, a hot water pipe, 9, an inner tank, 10, an air pipe, 11, an ignition needle, 12, a gas pipe, 13, a cold water pipe, 14, a heat conducting sheet, 15, a first stirring mechanism, 16, a second stirring mechanism, 17, a support plate, 18, a rotating rod, 19, an impeller, 20, a sleeve, 21, blades, 22, a buffer pad, 23, a magnet, 24, a spray pipe, 25, a shaft lever, 26, a belt pulley, 27, a belt, 28, a support seat, 29, a rotating shaft, 30, a gear, 31, a connecting sleeve, 32 and stirring blades.
Detailed Description
Embodiment 1, refer to fig. 1-5, a full premix condensing heat exchanger of high-efficient heat transfer, which comprises a housin 1, cold mouth and hot mouth have been seted up respectively at the both ends of casing 1 one side, and cold mouth and hot mouth's one side have cold water pipe 13 and hot water pipe 8 through flange joint respectively, opening 6 has been seted up to one side of casing 1, and the inner wall of opening 6 has inner tank 9 through bolted connection, the connector has been seted up in one side run through of inner tank 9, and the inner wall of connector has firing needle 11 through bolted connection, the air inlet has all been run through at both ends of inner tank 9 one side, and the inner wall of two air inlets has gas pipe 12 and air pipe 10 through flange joint respectively, the both sides of casing 1 all are provided with condensation mechanism, one side of casing 1 and one side of inner tank 9 all run through and have been seted up the gas vent, and be provided with blast pipe 5 between two gas vents, the both sides outer wall of inner tank 9 all runs through and has seted up a plurality of heat-conducting mouths, and the inner wall of heat-conducting mouth has heat conducting piece 14 through bolted connection, the both sides of casing 1 inner wall all are provided with first rabbling mechanism 15, and be provided with drive assembly between two first rabbling mechanism 15, and drive assembly is convenient for carry out the heat transfer assembly between the inner wall, and have, and heat transfer assembly has the heat conducting piece to heat transfer piece 14, and heat transfer effect is difficult to heat transfer mechanism is heated the heat transfer mechanism is so that the heat transfer is difficult in the heat transfer is carried out, and is so that the heat transfer effect is heated at the heat exchanger, and is heated by the heat transfer plate is heated, and is so that heat transfer mechanism is heated, and is heated.
On the basis of the above, the first stirring mechanism 15 comprises a support plate 17, a rotating rod 18, a plurality of sleeves 20 and a plurality of blades 21, one side of the support plate 17 is welded with the inner wall of one side of the shell 1, one end of the rotating rod 18 is rotationally connected with the support plate 17 through a bearing, the plurality of sleeves 20 are fixedly sleeved on the outer wall of the rotating rod 18 at equal intervals, the plurality of blades 21 are fixedly sleeved on the outer wall of the sleeve 20 at equal intervals, the blades 21 are made of magnetic materials, the blades 21 on two adjacent sleeves 20 are distributed in a staggered mode, one end of one rotating rod 18 is connected with an impeller 19 through a bolt, and the impeller 19 is positioned on one side of the cold water pipe 13.
On the basis of the above, the buffer pad 22 is arranged between two adjacent heat conducting fins 14, one side of the buffer pad 22 is adhered to the outer wall of the inner tank 9, the other side of the buffer pad 22 is adhered to the magnet 23, the magnet 23 and the blades 21 repel each other, the buffer pad 22 is made of hollow elastic materials, the outer walls of the two sides of the buffer pad 22 are all provided with spray holes in a penetrating mode, the spray pipes 24 are arranged on the inner walls of the spray holes, one ends of the spray pipes 24 are obliquely arranged, when the blades 21 rotate, the distance between the blades 21 and the magnet 23 is gradually close, at the moment, the magnet 23 extrudes the buffer pad 22 under the action of repulsive force, gas in the buffer pad 22 is sprayed out through the spray pipes 24 after being extruded, so that the flow speed of cold water is reduced through sprayed air flow, the heating effect of the heat conducting fins 14 is improved conveniently, the heat exchange effect of the heat exchanger is poor due to the fact that the heat conducting fins 14 cannot effectively heat the cold water due to the fact that the flow speed of the water is fast in the heating process, and when the cold water is stirred through the first stirring mechanism 15, the heat exchange effect of the heat exchanger is improved.
On the basis of the above, the transmission assembly consists of two belt pulleys 26 and a belt 27, the two belt pulleys 26 and the belt 27 are connected in a rotating way, one ends of the two rotating rods 18 are welded with the shaft lever 25, the two belt pulleys 26 are fixedly sleeved on the outer wall of the shaft lever 25, and a plurality of tooth grooves are formed in the inner wall of the belt 27.
On the basis of the above, the condensing mechanism comprises two brackets 3, a condenser 2, a liquid inlet pipe 4 and a drain pipe 7, wherein one side of the two brackets 3 is connected with one side of the shell 1 through bolts, the two brackets 3 are fixedly connected with the condenser 2, a liquid inlet is formed in one side of the shell 1, two ends of the liquid inlet pipe 4 are connected with the liquid inlet and the condenser 2 through flanges, and one end of the condenser 2 is connected with the drain pipe 7 through flanges.
In embodiment 2, referring to fig. 1 to 7, compared with embodiment 1, in the full premix condensing heat exchanger with efficient heat exchange, a second stirring mechanism 16 is disposed on one side of the inner wall of the housing 1, and the second stirring mechanism 16 is matched with the first stirring mechanism 15.
On the basis of the above, the second stirring mechanism 16 is composed of a gear 30, a supporting seat 28, a rotating shaft 29, a connecting sleeve 31 and a plurality of stirring blades 32, wherein the two ends of the supporting seat 28 are welded with the inner walls of two opposite sides of the shell 1, one side of the supporting seat 28 is in rotating connection with the rotating shaft 29 through bearings, the gear 30 is fixedly sleeved on the outer wall of the rotating shaft 29, the gear 30 is meshed with a tooth socket, the connecting sleeve 31 is fixedly sleeved on the outer wall of the rotating shaft 29, the stirring blades 32 are equidistantly fixed on the outer wall of the connecting sleeve 31, the stirring blades 32 are obliquely arranged on the outer wall of the connecting sleeve 31, when the transmission assembly rotates under the action of the first stirring mechanism 15, the gear 30 drives the rotating shaft 29 to rotate through meshing, at the moment, the stirring blades 32 synchronously rotate along with the rotation of the rotating shaft 29, so that stirring blades 32 stir cold water, thereby improving the heat exchange effect of the heat exchanger, and at the moment, the stirring blades 32 drive the cold water to flow back, so that the flow speed of the cold water is slowed down, and the heat conducting plate 14 heats the cold water, thereby further improving the heat exchange effect of the heat exchanger.
In summary, by means of the above technical solution of the present invention: during heat exchange treatment, cold water is conveyed into the shell 1 through the cold water pipe 13, fuel gas is conveyed into the inner tank 9 through the fuel gas pipe 12, air enters the inner tank 9 through the air pipe 10, at the moment, the ignition needle 11 is started, the ignition needle 11 combusts the fuel gas, heat is transferred through the heat conducting fin 14, thereby facilitating the heat treatment of the cold water, during the cold water enters the shell 1 through the cold water pipe 13, the impeller 19 drives the rotating rod 18 to rotate under the impact of the cold water, at the moment, the sleeve 20 drives the blades 21 to synchronously rotate, so that the cold water can be stirred through the rotation of the blades 21, the contact effect between the cold water and the heat conducting fin 14 is improved, because the blades 21 are made of magnetic materials, and the blades 21 and the magnet 23 are mutually exclusive, when the blades 21 rotate, the distance between the blades 21 and the magnet 23 is gradually close, at this time, the magnet 23 extrudes the cushion 22 under the action of repulsive force, the gas in the cushion 22 is sprayed out through the spray pipe 24 after being extruded, so that the flow speed of cold water is reduced through the sprayed gas flow, the heating effect of the heat conducting sheet 14 on the cold water is improved, the heat conducting sheet 14 can not effectively heat the cold water due to the fact that the flow speed of the water flow is fast in the heating process of the cold water is prevented, the heat exchange effect of the heat exchanger is poor, when the first stirring mechanism 15 is used for stirring the cold water, the other first stirring mechanism 15 is used for stirring the water through the transmission component, the heat exchange effect of the heat exchanger is improved, and when the transmission component rotates under the action of the first stirring mechanism 15, the gear 30 is meshed to drive the rotating shaft 29 to rotate, at this moment, the stirring blade 32 synchronously rotates along with the rotation of the rotating shaft 29, so that cold water is stirred by the stirring blade 32, and the heat exchange effect of the heat exchanger is improved, at this moment, when the stirring blade 32 rotates, the stirring blade 32 drives the cold water to flow back, so that the flowing speed of the cold water is slowed down, the heat conducting fin 14 is used for heating the cold water, the heat exchange effect of the heat exchanger is further improved, water vapor is generated after the cold water is heated, the water vapor is conveyed to the condenser 2 through the liquid inlet pipe 4 to be condensed, and the condensed cold water is discharged through the drain pipe 7.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.