CN222670350U - Condensing heat exchanger, condensate treatment device and gas water heater - Google Patents

Abstract

The utility model discloses a condensing heat exchanger, a condensate treatment device and a gas water heater, characterized in that it comprises a cyclone condensation chamber, a smoke exhaust pipe and a condensate pipe, an air inlet is arranged on the side of the cyclone condensation chamber, the smoke exhaust pipe is arranged vertically in the middle of the cyclone condensation chamber, the condensate pipe is arranged spirally outside the smoke exhaust pipe, and a condensate outlet is arranged at the bottom of the cyclone condensation chamber. The utility model has good stability, and the condensate does not need to be directly discharged into the sewer, so there is no need to install a condensate drainage pipe, which is convenient for users to install and use.

Description

Condensing heat exchanger, condensed water treatment device and gas water heater

Technical Field

The utility model relates to the technical field of water heaters, in particular to a condensing heat exchanger, a condensate water treatment device thereof and a gas water heater.

Background

The existing condensing heat exchanger is internally provided with a condensing coil coiled in an unordered way, and flue gas enters the cavity from one side surface and exchanges heat with the surface of part of the coil, and finally is discharged from a top exhaust port. For example, chinese patent publication No. CN117213062A discloses a condensing heat exchanger, a condensing heat exchange system, a water heater and a heat exchange control method. The condensing heat exchanger, the condensing heat exchange system, the water heater and the heat exchange control method can improve the heat efficiency of the conventional gas water heater, are convenient to install and low in transformation cost, and do not affect the normal use of gas heating equipment. The condensing heat exchanger comprises a body, a heat exchange mechanism, a connecting mechanism and a smoke guide mechanism, wherein a body smoke inlet is formed in the bottom of the body, a body smoke outlet is formed in the top of the body, the heat exchange mechanism and the smoke guide mechanism are arranged in the body, the heat exchange mechanism is used for exchanging heat with cold media flowing in the body, the connecting mechanism is arranged at the body smoke inlet, the body smoke inlet is detachably and hermetically connected with a smoke discharge mechanism outlet of gas heating equipment through the connecting mechanism, and the smoke guide mechanism is arranged between the body smoke inlet and the body smoke outlet and used for changing the flow direction of smoke in the body, prolonging the convection path of high-temperature smoke and improving the heat exchange efficiency. However, the structure of the patent has the defects that the contact surface between the smoke guide cavity and the heat conduction coil is few, so that a cavity is required to be arranged outside the smoke guide cavity for heat exchange between smoke and the heat conduction coil, a backflow dead zone and vortex are easy to form in an annular space, pneumatic noise is generated, condensate water is directly discharged to a sewer, a drain pipe is required to be additionally arranged by a user, and installation difficulty is brought. For this reason, there is a need for further improvements in the art.

Disclosure of utility model

The utility model aims to solve the defects of the prior art and provides a condensing heat exchanger which is stable and reliable and convenient for a user to install and use.

Another object of the present utility model is to provide a condensed water treatment apparatus.

Another object of the present utility model is to provide a gas water heater.

The condensing heat exchanger is characterized by comprising a cyclone condensing bin, a condensing coil, a smoke exhaust pipe and an air inlet adapter, wherein a smoke inlet is formed in the side part of the cyclone condensing bin, and the air inlet adapter is arranged on the smoke inlet.

The fume exhaust pipe is arranged in the middle of the cyclone condensation bin, the condensation coil pipe is spirally arranged around the fume exhaust pipe, the cyclone condensation bin is respectively provided with a condensate water outlet, a coil pipe installation inlet and a coil pipe installation outlet, and two ends of the condensation coil pipe are respectively connected with the coil pipe installation inlet and the coil pipe installation outlet.

As a further explanation of the scheme, a smoke inlet space is arranged between the lower end of the smoke exhaust pipe and the cyclone condensation bin, and the upper end of the smoke exhaust pipe protrudes out of the cyclone condensation bin to exhaust smoke outwards.

Further, an annular space is formed between the condensate pipe and the cyclone condensing bin, and the condensate pipe is spirally connected and fixed in the annular space inside the cyclone condensing bin.

The condensate water treatment device is characterized by comprising a condensate water atomizer connected with a condensate water outlet of a condensing type heat exchanger, wherein the condensate water atomizer comprises a condensate water box, a sponge, an atomizing sheet and a fixed cover, and the condensate water box is fixedly connected with the condensate water outlet.

Further, the condensed water outlet is provided with a convex edge extending downwards, and the condensed water box is sleeved on the convex edge and is in sealing connection with the convex edge by a sealing ring.

Further, the bottom of the condensed water box is provided with an open-pore clamping groove for fixing the sponge, the atomization sheet is arranged at the top of the open-pore clamping groove and is fixed and limited through the fixed cover, a lead of the atomization sheet is led out through the open-pore clamping groove and is externally connected with a control board of the gas water heater, and the sponge is used as a medium to connect water at the bottom of the condensed water box with the atomization sheet, so that the condensed water can be upwards conducted to the atomization sheet.

Further, a liquid level sensor is arranged at the bottom of the condensed water box, and when the water is drained, the liquid level sensor automatically transmits a signal to the control panel and disconnects the atomizing sheet to prevent dry burning.

The gas water heater is characterized by comprising a water heater main body, wherein a condensing heat exchanger is arranged in the water heater main body, and the condensing heat exchanger is connected with a condensed water treatment device.

The beneficial effects achieved by adopting the technical proposal of the utility model are that.

The utility model adopts a condensing type heat exchanger structure mainly comprising a cyclone condensation bin, a smoke exhaust pipe and a condensation water pipe, wherein tail gas of a gas water heater subjected to primary heat exchange enters an annular cyclone heat exchange space from an air inlet of the condensing type heat exchanger and flows towards the bottom in a cyclone mode along a condensation coil pipe, the condensation coil pipe has a diversion effect, so that a backflow dead zone and vortex are difficult to form in the annular space, pneumatic noise is difficult to generate, flue gas and steam with waste heat can fully exchange heat with the condensation pipe, the steam is condensed on the surface of the coil pipe, and is blown by airflow to flow downwards along the spiral on the surface of the coil pipe to finally enter a bottom flow channel condensation water box, and low-temperature flue gas subjected to heat exchange enters an exhaust pipe from the bottom to move upwards along the exhaust pipe and be conveyed outdoors, so that gas mist sprayed by an ultrasonic atomizer can be gathered and cannot diffuse out of a projection space of the exhaust pipe, and transportation and discharge of atomized liquid drops are facilitated.

Drawings

Fig. 1 is a schematic view of a water heater according to the present utility model.

Fig. 2 is a schematic view of a condensing heat exchanger according to the present utility model.

Fig. 3 is a cross-sectional view of a condensing heat exchanger.

Fig. 4 is a cross-sectional view of a condensing heat exchanger.

Fig. 5 is an exploded view of the condensing heat exchanger.

Fig. 6 is a schematic diagram showing an exploded structure of the condensate water treatment apparatus.

Fig. 7 is a cross-sectional view of the condensate water treatment apparatus.

The reference numeral shows that 1, a condensing heat exchanger 1-1, a cyclone condensing bin 1-2, a smoke exhaust pipe 1-3, a condensing water pipe 1-4, an air inlet square pipe 1-5, a condensed water outlet 2, a condensed water treatment device 2-1, a condensed water box 2-11, an open-pore clamping groove 2-2, a sponge 2-3, an atomization piece 2-4, a fixed cover 3 and a water heater main body.

Detailed Description

In the description of the present utility model, it should be noted that, for the azimuth words such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such features, and in the description of the utility model, "at least" means one or more, unless clearly specifically defined otherwise.

In the present utility model, unless explicitly stated or limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, directly connected, or connected via an intermediate medium, or two elements may be in communication. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "below," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply representing the first feature as having a higher level than the second feature. The first feature being "above," "below," and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or simply indicating that the first feature is level below the second feature.

The following description of the specific embodiments of the present utility model is further provided with reference to the accompanying drawings, so that the technical scheme and the beneficial effects of the present utility model are more clear and definite. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.

As shown in fig. 1 to 7, the utility model relates to a condensing heat exchanger, a condensate water treatment device and a gas water heater, wherein the condensing heat exchanger 1 and the condensate water treatment device 2 are arranged in a water heater main body 3. The condensing heat exchanger 1 structurally comprises a cyclone condensing bin 1-1, a smoke exhaust pipe 1-2 and a condensing water pipe 1-3, wherein an air inlet is arranged at the side part of the cyclone condensing bin 1-1, and an air inlet square pipe 1-4 is arranged on the air inlet and is convenient to connect with a flue gas pipeline of the gas water heater. The smoke exhaust pipe 1-2 is vertically arranged in the middle of the cyclone condensation bin 1-1, the lower end of the smoke exhaust pipe 1-2 and the bottom of the cyclone condensation bin are spaced to form a smoke inlet space, the condensation water pipe 1-3 is spirally arranged outside the smoke exhaust pipe 1-2, the upper end of the smoke exhaust pipe 1-2 is protruded outside the cyclone condensation bin to discharge smoke outwards, an annular space is formed between the condensation water pipe 1-3 and the cyclone condensation bin 1-1, the condensation water pipe 1-3 is spirally connected and fixed in the annular space inside the cyclone condensation bin 1-1, so that smoke entering from the air inlet can spirally flow downwards along the condensation water pipe to enter the smoke inlet space, a backflow dead zone and vortex are difficult to form in the annular space, and pneumatic noise is difficult to generate.

The lower part of the cyclone condensation bin 1-1 is provided with a condensate outlet 1-5, the condensate treatment device 2 adopts a condensate atomizer, the condensate atomizer comprises a condensate box 2-1, a sponge 2-2, an atomizing sheet 2-3 and a fixed cover 2-4, and the condensate box 2-1 is fixedly connected with the condensate outlet 1-5. In this embodiment, the condensed water outlet 1-5 is provided with a convex edge extending downward, and the condensed water box is sleeved on the convex edge and is in a sealing connection mode by a sealing ring. The bottom of the condensed water box 2-1 is provided with an open-pore clamping groove 2-11 for fixing sponge, the atomizing sheet 2-3 is arranged at the top of the open-pore clamping groove and is fixed and limited by a fixed cover, a lead of the atomizing sheet 2-3 is led out by the open-pore clamping groove and is externally connected with a control panel of the gas water heater, and the sponge is used as a medium to connect water at the bottom of the condensed water box with the atomizing sheet, so that the condensed water can be upwards conducted to the atomizing sheet. Wherein, the atomizing sheet adopts an ultrasonic atomizing sheet, and of course, various atomizing modes can be adopted, such as a ceramic atomizing sheet or a hydraulic atomizing mode. The bottom of the condensed water box is provided with a liquid level sensor, and when the water is drained, the liquid level sensor automatically transmits a signal to the control panel and disconnects the atomizing sheet to prevent dry burning.

The tail gas of the gas water heater after primary heat exchange enters an annular rotational flow heat exchange space from an upper side air inlet of the condensation heat exchanger, flows along a condensation water pipe to the bottom in a rotational flow mode, and flue gas and water vapor with waste heat can fully exchange heat with the condensation water pipe, are condensed on the surface of the condensation water pipe, flow downwards along the spiral of the surface of a coil pipe by airflow blowing and finally enter a bottom flow channel condensation water box, and low-temperature flue gas after heat exchange enters an exhaust pipe from the bottom to form rotational flow, moves upwards along the exhaust pipe and is conveyed outdoors.

Compared with the prior art, the cyclone condensation bin has the advantages that a backflow dead zone and vortex are difficult to form in the cyclone condensation bin, pneumatic noise is difficult to generate, and condensed water does not need to be directly discharged into a sewer, so that a condensed water drain pipe is not needed to be installed, and convenience is brought to a user for installation and use.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present utility model.

Claims (8)

1. The utility model provides a condensing heat exchanger, its characterized in that, it includes cyclone condensation storehouse, arranges tobacco pipe, condenser pipe, and the lateral part in cyclone condensation storehouse is provided with the air inlet, arranges the tobacco pipe and set up in the middle part in cyclone condensation storehouse immediately, and the condenser pipe spirals to set up outside arranging the tobacco pipe, and the lower part in cyclone condensation storehouse is provided with the comdenstion water export.

2. The condensing heat exchanger of claim 1, wherein a smoke inlet space is provided between the lower end of the smoke exhaust pipe and the cyclone condensing chamber, and the upper end of the smoke exhaust pipe protrudes out of the cyclone condensing chamber.

3. The condensing heat exchanger of claim 1, wherein an annular space is formed between the condensate pipe and the cyclone condensing chamber, and the condensate pipe is spirally connected and fixed in the annular space inside the cyclone condensing chamber.

4. A condensate water treatment apparatus comprising a condensate water atomizer connected to the condensate water outlet of the condensing heat exchanger of any one of claims 1 to 3, the condensate water atomizer comprising a condensate water box, a sponge, an atomizing plate, a stationary cover, the condensate water box being fixedly connected to the condensate water outlet.

5. The apparatus according to claim 4, wherein the condensed water outlet is provided with a downwardly extending flange, and the condensed water box is fitted over the flange and is in sealing connection with the flange by a sealing ring.

6. The apparatus according to claim 4, wherein the bottom of the condensed water box is provided with an open-pore clamping groove for fixing a sponge, the atomizing sheet is provided at the top of the open-pore clamping groove and is fixedly limited by a fixing cover, a wire of the atomizing sheet is led out through the open-pore clamping groove, and the sponge connects water at the bottom of the condensed water box with the atomizing sheet as a medium so that the condensed water can be conducted upward to the atomizing sheet.

7. The condensate water treatment apparatus as claimed in claim 4, wherein the condensate water cartridge bottom is provided with a liquid level sensor.

8. A gas water heater, characterized in that it comprises a water heater main body, wherein a condensing heat exchanger according to any one of claims 1-3 is arranged in the water heater main body, and the condensing heat exchanger is connected with a condensate water treatment device according to any one of claims 4-7.