CN214147991U - Condensing volumetric gas boiler - Google Patents

Abstract

The utility model relates to the technical field of boilers, in particular to a condensing positive displacement gas boiler, which comprises a water storage tank, wherein a lower combustion chamber and an upper combustion chamber which are communicated with each other are fixed in the water storage tank, a lower burner is fixed in the lower combustion chamber, a mixer is communicated below the lower burner, the mixer is communicated with a gas pipe and a lower oxygen supply pipe, a heating pipe network is arranged above the lower burner, the heating pipe network is communicated with a water inlet pipe and is communicated with the water storage tank, an upper burner is fixed in the upper combustion chamber, an upper oxygen supply pipe is arranged below the upper burner, a baffle is fixed above the upper burner, the upper combustion chamber is communicated with a dispersion pipe network, the dispersion pipe network is communicated with an upper exhaust pipe, the utility model can improve the combustion efficiency of the gas and the utilization rate of the gas, simultaneously improve the utilization rate of heat, not only reduce the cost, energy saving, environmental protection and wide application prospect in the technical field of boilers.

Description

Condensing volumetric gas boiler

Technical Field

The utility model belongs to the technical field of the boiler technique and specifically relates to a condensation positive displacement gas boiler.

Background

In order to ensure the full utilization of heat, most of the existing gas boilers are provided with combustion chambers inside the boilers, which means that gas is independent from outside air, so that an independent oxygen supplementing device needs to be added, but most of gas pipes of the oxygen supplementing device directly blow air or oxygen from the outside to enter the combustion chambers to be mixed with the gas, and the temperature of the directly blown outside air or oxygen is low, so that the ignition condition and the combustion condition of the gas in the boilers are poor, the burnout rate of the gas is influenced, and more harmful gases are generated; in addition, most of the flue gas generated by gas combustion is directly discharged, and the heat carried in the flue gas cannot be fully absorbed and utilized, so that great waste is caused, and therefore a gas boiler for solving the problems is needed.

SUMMERY OF THE UTILITY MODEL

The invention discloses a condensing volumetric gas boiler, which aims to solve the problems that the temperature of outside air or oxygen directly blown into the gas boiler is low, so that the vaporization ignition condition and the combustion condition in the boiler are poor, the burn-off rate of fuel oil is influenced, and most of smoke generated by gas combustion is directly discharged, so that the heat is greatly wasted.

The technical scheme of the utility model be, including the storage water tank, the storage water tank intercommunication has blast pipe, outlet pipe and blow off pipe, wherein, the storage water tank internal fixation has lower combustion chamber and the last combustion chamber that is linked together, be fixed with lower combustor in the lower combustion chamber, combustor below intercommunication has the blender down, the blender intercommunication has gas pipe and oxygenating pipe down, the combustor top is provided with the heating pipe network down, the heating pipe network intercommunication has inlet tube and raceway, the raceway is linked together with the storage water tank, upward be fixed with the combustor in the combustion chamber, upward be provided with oxygenating pipe below the combustor, upward the combustor top is fixed with the baffle, it has the dispersion pipe network to go up the combustion chamber intercommunication, dispersion pipe network intercommunication has last exhaust pipe.

Preferably, the water storage tank is wrapped by a heat insulation pad, a supporting block is fixed between the heat insulation pad and the water storage tank, and a hollow heat insulation cavity is formed between the heat insulation pad and the water storage tank by the supporting block.

Preferably, the lower oxygen supplementing pipe and the upper oxygen supplementing pipe are communicated with an air delivery pipe through a flow divider in the heat preservation cavity, the air delivery pipe surrounds the water storage tank in the heat preservation cavity, the air delivery pipe penetrates through the heat preservation pad and is communicated with an air blower, and the air blower is communicated with an air inlet pipe.

Preferably, the upper combustion chamber is communicated with the lower combustion chamber through a lower smoke exhaust pipe, the upper combustion chamber is communicated with the dispersion pipe network through a middle smoke exhaust pipe, and the lower oxygen supply pipe and the upper oxygen supply pipe penetrate through the middle smoke exhaust pipe and extend into the lower combustion chamber and the upper combustion chamber respectively.

Preferably, the exhaust pipe and the water outlet pipe are communicated with the top of the water storage tank, the communication position of the water outlet pipe and the water storage tank is higher than the connection position of the dispersion pipe network and the upper exhaust pipe and lower than the communication position of the exhaust pipe and the water storage tank, and the blow-off pipe is communicated with the bottommost part of the water storage tank.

Effectively, the water storage tank is provided with an upper observation window and a lower observation window which respectively extend to the lower combustion chamber and the upper combustion chamber, and the upper observation window and the lower observation window respectively correspond to the upper combustor and the lower combustor.

Adopt the technical scheme of the utility model can reach following beneficial effect: (1) the upper combustion chamber, the lower oxygen supply pipe and the upper oxygen supply pipe are matched for use, so that the gas can be combusted fully, the temperature of blown air or oxygen can be increased, the ignition condition and the combustion condition of the gas in the furnace are improved, the burnout rate of the gas is increased, a large amount of harmful gas is prevented from being generated due to insufficient combustion of the gas, the two combustion chambers can be used for performing secondary combustion on the combusted gas, the burnout rate of the gas is effectively increased, and waste of the gas is avoided; (2) by arranging the heating pipe network, the water entering the boiler can be directly heated, and the heating efficiency of the water is improved; (3) by arranging the dispersion pipe network, the contact area of the discharged flue gas and water is increased, and heat carried in the flue gas is further fully absorbed; (4) through the arrangement of the heat insulation pad and the heat insulation cavity, the heat dissipation rate in the water storage tank can be effectively slowed down, and the heat utilization is maximized as far as possible; (5) the combustion conditions of the gas in the upper combustion chamber and the lower combustion chamber can be conveniently observed through the upper observation window and the lower observation window, so that the air or oxygen blowing rate of the air blower can be conveniently adjusted, and the gas can be sufficiently combusted; the technical scheme of the utility model has extensive application prospect in boiler technical field.

Drawings

Fig. 1 is a front view of the condensing displacement gas boiler of the present invention.

Fig. 2 is an enlarged view of the area a in fig. 1.

Fig. 3 is an enlarged view of the region B in fig. 1.

The device comprises a water storage tank 1, a water storage tank 2, a lower combustion chamber 3, an upper combustion chamber 4, a lower support rod 5, a lower combustor 6, a mixer 7, a gas pipe 8, a lower oxygen supply pipe 9, a heating pipe network 10, a water inlet pipe 11, a water pipe 12, a lower exhaust pipe 13, an upper support rod 14, an upper combustor 15, a support column 16, a baffle 17, an upper oxygen supply pipe 18, a flow divider 19, a gas pipe 20, a blower 21, an air inlet pipe 22, a middle exhaust pipe 23, a dispersion pipe network 24, an upper exhaust pipe 25, an exhaust pipe 26, a water outlet pipe 27, a blow-off pipe 28, a heat insulation pad 29, a support block 30, a heat insulation cavity 31, support legs 32, a lower observation window 33, an upper observation window 34 and a fixing rod.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance throughout the present disclosure, it being understood that unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and can be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The condensing displacement type gas boiler shown in fig. 1-3 comprises a water storage tank 1, wherein a lower combustion chamber 2 and an upper combustion chamber 3 which are communicated through a lower smoke exhaust pipe 12 are fixedly and detachably connected in the water storage tank 1, so that water in the water storage tank 1 can be heated by burning gas in the lower combustion chamber 2 and the upper combustion chamber 3. Specifically speaking, the bottom of lower combustion chamber 2 can be dismantled through the fix with screw and be connected with dead lever 34, and the dead lever 34 is kept away from the one end welding of lower combustion chamber 2 or can be dismantled the interior bottom of connection at storage water tank 1 through the fix with screw for will descend combustion chamber 2 fixed to dismantle through dead lever 34 and connect in storage water tank 1, avoid lower combustion chamber 2 to remove at will in storage water tank 1, the normal burning of gas in the combustion chamber 2 under the influence. Combustor 5 under can dismantling through the fixed being connected with of lower support rod 4 in the lower combustion chamber 2, the both ends of lower support rod 4 are connected with combustor 5 is fixed dismantling down through screw and lower combustion chamber 2 respectively promptly, combustor 5 below intercommunication has blender 6 down, 6 intercommunications of blender have gas pipe 7 and oxygenating pipe 8 down, be convenient for through 6 air or the oxygen intensive mixing with gas and the benefit of blender, and then carry in combustor 5 down, and then through combustor 5 down with the gaseous mixture dispersion release and light. Lower combustor 5 top is provided with heating pipe network 9, and heating pipe network 9 intercommunication has inlet tube 10 and raceway 11, and raceway 11 keeps away from heating pipe network 9's one end and the inner wall welded fastening of lower combustion chamber 2 and is linked together with storage water tank 1 for the gas combustion directly heats heating pipe network 9 in lower combustion chamber 2, and then realizes heating at first the water that gets into storage water tank 1, improves heating efficiency. The heating pipe network 9 is of a three-dimensional structure formed by a plurality of mutually communicated water pipes, so that flame generated by fuel gas can be simultaneously contacted with the water pipes in the plurality of heating pipe networks 9, and the heating efficiency of water passing through the heating pipe networks 9 is improved. Go up in the combustion chamber 3 and be connected with combustor 14 through last bracing piece 13 is fixed can dismantle, go up the both ends of bracing piece 13 and pass through screw and last combustion chamber 3 respectively promptly and go up combustor 14 fixed can dismantle the connection, it is provided with oxygenating pipe 17 to go up combustor 14 below, be convenient for carry out oxygenating to the gas that does not burn through last oxygenating pipe 17, and then realize the secondary combustion through last combustor 14, make the gas can carry out abundant burning, improve the burn-off rate of gas. Go up 14 tops of combustor and be connected with baffle 16 through support column 15 fixed dismantlement, the both ends of support column 15 are respectively through fixed the dismantlement of screw and last combustion chamber 3 and baffle 16 and are connected, baffle 16 is the bowl-shaped structure of back-off, be convenient for block the flue gas of discharging from lower exhaust pipe 12 through baffle 16, and then can ride or the oxygen intensive mixing with the fast attack of last oxygenating pipe 17 output, and then by lower combustor 5 ignition, realize the gas postcombustion that unburnt in the flue gas. Go up combustion chamber 3 and have dispersion pipe network 23 through well tub 22 intercommunication of discharging fume, be convenient for discharge into dispersion pipe network 23 through well tub 22 that discharges the flue gas that produces in 3 internal combustion of last combustion chamber in, and then increase the area of contact of flue gas and storage water tank 1 water through dispersion pipe network 23 for hydroenergy in the storage water tank 1 can absorb the heat that the flue gas carried in the dispersion pipe network 23 fast effectively fast, reduces thermal loss. The three-dimensional structure that dispersion pipe network 23 comprises a plurality of pipelines that are linked together is convenient for through the flue gas of a plurality of pipeline dispersions middle smoke exhaust pipe 22 exhaust, and chicken increases the area of contact volume of flue gas and the interior water of storage water tank 1, and then realizes that the heat in the flue gas can be fully absorbed by the water in storage water tank 1. The dispersion pipe network 23 is communicated with an upper exhaust pipe 24, so that the flue gas discharged from the dispersion pipe network 23 is conveniently discharged out of the water storage tank 1 through the upper exhaust pipe 24. The bottom of storage water tank 1 is connected with supporting leg 31 through bolt fastening is dismantled, is convenient for stand storage water tank 1 stable subaerial through supporting leg 31.

As shown in fig. 1-3, the condensing volumetric gas boiler has a heat insulation pad 28 wrapped around the water storage tank 1, so that the heat insulation of the water storage tank 1 is facilitated by the heat insulation pad 28, the heat dissipation rate in the water storage tank 1 is reduced, and the heat utilization rate is improved. Can dismantle through the fix with screw between heat preservation pad 28 and the storage water tank 1 and be connected with supporting shoe 29, supporting shoe 29 will keep warm and form hollow heat preservation chamber 30 between pad 28 and the storage water tank 1, be convenient for keep apart storage water tank 1 and heat preservation pad 28 through supporting shoe 29, and then form hollow heat preservation chamber 30 for further reduce the thermal dissipation rate in the storage water tank 1 through heat preservation chamber 30. The lower oxygen supply pipe 8 and the upper oxygen supply pipe 17 are communicated with an air delivery pipe 19 through a flow divider 18 in the heat preservation cavity 30, so that air or oxygen can be conveniently delivered to the lower oxygen supply pipe 8 and the upper oxygen supply pipe 17 through the air delivery pipe 19. The air delivery pipe 19 surrounds the water storage tank 1 in the heat preservation cavity 30, so that the walking distance of the air delivery pipe 19 in the heat preservation cavity 30 is increased, the heat emitted into the heat preservation cavity 30 in the air or oxygen absorption water storage tank 1 in the air delivery pipe 19 is facilitated, the preheating of the air or oxygen delivered by the air delivery pipe 19 is realized, and the utilization rate of the heat is also improved. The air delivery pipe 19 penetrates through the heat insulation pad 28 and is communicated with the blower 20, the blower 20 is communicated with the air inlet pipe 21, air or oxygen can be conveniently blown into the air delivery pipe 19 through the blower 20, and the air delivery pipe 21 is conveniently communicated with outside air or an oxygen pump. The lower oxygen supply pipe 8 and the upper oxygen supply pipe 17 penetrate through the middle smoke exhaust pipe 22 and extend into the lower combustion chamber 2 and the upper combustion chamber 3 respectively, the lower oxygen supply pipe 8 and the upper oxygen supply pipe 17 are convenient to absorb heat in the middle smoke exhaust pipe 22, the upper combustion chamber 3, the lower smoke exhaust pipe 12 and the lower combustion chamber 2, the temperature of air or oxygen exhausted by the lower oxygen supply pipe 8 and the upper oxygen supply pipe 17 is further improved, the ignition condition and the combustion condition of gas in the furnace are improved, the burnout rate of the gas is further increased, and a large amount of harmful gas is prevented from being generated due to insufficient gas combustion.

As shown in fig. 1-3, the storage tank 1 is communicated with an exhaust pipe 25, a water outlet pipe 26 and a drain pipe 27, so that vapor generated in the storage tank 1 can be conveniently discharged through the exhaust pipe 25, the vapor is prevented from increasing the pressure inside the storage tank 1, the storage tank 1 is prevented from being burst, hot water in the storage tank 1 can be conveniently discharged through a water pumping pipe, and water and impurities inside the storage tank 1 can be conveniently and fully discharged through the drain pipe 27. Exhaust pipe 25 and outlet pipe 26 all are linked together with the top of storage water tank 1, utilize the density of vapor to be less than the density of water, and the principle that the density of hot water is less than the density of cold water, and after the water in storage water tank 1 was heated, produced vapor and hot water can come up to the top of storage water tank 1, and then discharge vapor through exhaust pipe 25, discharge hot water through the drinking-water pipe. The communication position of the water outlet pipe 26 and the water storage tank 1 is higher than the connection position of the dispersion pipe network 23 and the upper exhaust pipe 24 and lower than the communication position of the exhaust pipe 25 and the water storage tank 1, so that the water discharged from the water outlet pipe 26 can fully absorb the heat carried by the flue gas in the dispersion pipe network 23. The blow-off pipe 27 is communicated with the bottommost part of the water storage tank 1, so that water and sundries in the water storage tank 1 can be completely discharged through the blow-off pipe 27.

As shown in fig. 1-3, the water storage tank 1 is provided with an upper observation window 33 and a lower observation window 32 which respectively extend to the lower combustion chamber 2 and the upper combustion chamber 3, the communicating parts of the upper observation window 33 and the lower observation window 32 and the upper combustion chamber 3 and the lower combustion chamber 2 are fixedly connected with a right colorless transparent plate in a sealing way, the upper observation window 33 and the lower observation window 32 respectively correspond to the upper burner 14 and the lower burner 5, the combustion condition of the gas in the upper combustion chamber 3 and the lower combustion chamber 2 can be observed through the upper observation window 33 and the lower observation window 32, the speed of the air blower 20 blowing air or oxygen can be adjusted conveniently, and the gas can be fully combusted.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (6)

1. A condensation volume type gas boiler comprises a water storage tank (1), wherein the water storage tank (1) is communicated with an exhaust pipe (25), a water outlet pipe (26) and a sewage discharge pipe (27), and is characterized in that a lower combustion chamber (2) and an upper combustion chamber (3) which are communicated with each other are fixed in the water storage tank (1), a lower combustor (5) is fixed in the lower combustion chamber (2), a mixer (6) is communicated below the lower combustor (5), a gas pipe (7) and a lower oxygen supply pipe (8) are communicated with the mixer (6), a heating pipe network (9) is arranged above the lower combustor (5), the heating pipe network (9) is communicated with a water inlet pipe (10) and a water delivery pipe (11), the water delivery pipe (11) is communicated with the water storage tank (1), an upper combustor (14) is fixed in the upper combustion chamber (3), an upper oxygen supply pipe (17) is arranged below the upper combustor (14), a baffle plate (16) is fixed above the upper combustor (14), the upper combustion chamber (3) is communicated with a dispersion pipe network (23), and the dispersion pipe network (23) is communicated with an upper exhaust pipe (24).

2. Condensing volumetric gas boiler according to claim 1, characterized in that the tank (1) is wrapped with a thermal insulation pad (28), a support block (29) is fixed between the thermal insulation pad (28) and the tank (1), and the support block (29) forms a hollow thermal insulation chamber (30) between the thermal insulation pad (28) and the tank (1).

3. The condensing positive displacement gas boiler according to claim 2, wherein the lower oxygen supply pipe (8) and the upper oxygen supply pipe (17) are communicated with an air delivery pipe (19) through a flow divider (18) in the heat preservation chamber (30), the air delivery pipe (19) surrounds the water storage tank (1) in the heat preservation chamber (30), the air delivery pipe (19) penetrates through the heat preservation cushion (28) to be communicated with the blower (20), and the blower (20) is communicated with an air inlet pipe (21).

4. A condensing volumetric gas boiler according to claim 1, characterized in that said upper combustion chamber (3) communicates with the lower combustion chamber (2) through a lower fume duct (12), said upper combustion chamber (3) communicates with the dispersion network (23) through a middle fume duct (22), said lower (8) and upper (17) oxygenating ducts extend through the middle fume duct (22) into the lower (2) and upper (3) combustion chambers, respectively.

5. A condensing volumetric gas boiler as defined in claim 1, characterized in that said exhaust pipe (25) and outlet pipe (26) are both connected to the top of the tank (1), the connection between the outlet pipe (26) and the tank (1) is higher than the connection between the dispersion pipe network (23) and the upper exhaust pipe (24) and lower than the connection between the exhaust pipe (25) and the tank (1), and the drain (27) is connected to the bottom of the tank (1).

6. Condensing volumetric gas boiler according to claim 1, characterized in that said tank (1) is equipped with an upper observation window (33) and a lower observation window (32) extending to the lower combustion chamber (2) and the upper combustion chamber (3), respectively, said upper observation window (33) and lower observation window (32) corresponding to the upper burner (14) and the lower burner (5), respectively.

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