CN216814628U

CN216814628U - Condensation furnace main heat exchanger with rainwater collection function and gas heating water heater

Info

Publication number: CN216814628U
Application number: CN202220150832.1U
Authority: CN
Inventors: 陈永钊; 陶龙礼; 郭海
Original assignee: Guangzhou Devotion Home Environment Technology Co ltd
Current assignee: Guangzhou Devotion Home Environment Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-24
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a condensing furnace main heat exchanger with a rainwater collecting function and a gas heating water heater, wherein the condensing furnace main heat exchanger comprises a heat exchanger main body and a top cover, the heat exchanger main body is provided with a smoke collecting cavity, and the top cover is arranged on the smoke collecting cavity; the top cover comprises a cover bottom plate and a surrounding edge extending outwards from the cover bottom plate, the cover bottom plate is provided with a smoke exhaust port located in the surrounding edge, and the surrounding edge and the cover bottom plate form a water collecting cavity. The main heat exchanger of the condensing furnace is improved through the top cover of the heat exchanger main body, the surrounding edge is arranged on the top cover, the water collecting cavity with the rainwater collecting function is formed, rainwater flowing in from the outer pipe of the chimney can be collected without additionally increasing the large cost, and the safety of the condensing furnace is further improved.

Description

Condensation furnace main heat exchanger with rainwater collection function and gas heating water heater

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a condensing furnace main heat exchanger with a rainwater collection function and a gas heating water heater.

Background

The condensing gas heating water heater generates flue gas through natural gas combustion, the flue gas contains a large amount of water vapor, the flue gas is exhausted through the inner pipe in the balanced chimney, the water vapor in the flue gas can be condensed in the inner pipe to generate condensed water, and the outer pipe of the chimney sucks air required by combustion of the furnace. The generated condensed water is water with weak acidity, and in order to ensure that the condensed water does not influence the environment, a condensed water collector is arranged in the condensing gas heating water heater and used for collecting the condensed water generated by the inner pipe of the condensing chimney.

At present, a chimney structure of a condensing gas heating water heater generally comprises an inner pipe and an outer pipe which are in different axial balance, and in order to ensure that condensed water generated by smoke flows back to the inside of a furnace, the inner pipe of the chimney inclines upwards for a certain 1-3 degrees. The condensed water or rainwater in the inner pipe of the chimney flows into the condensed water collector through the main heat exchanger, but the outer pipe is in a horizontal state. Under extreme weather, the rainwater can pass through the chimney exhaust port, flows into the inside rainwater that causes of stove along the outer pipe wall and gets into the stove, can't collect the rainwater through condensate water collector, leads to the stove to steep the water and damages, or needs additionally to increase outer tube rainwater collector, increases manufacturing cost.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a main heat exchanger of a condensing furnace with a rainwater collecting function, which solves the traditional problems, is provided with a rainwater collecting structure, is matched with the structure of a heat exchanger, can collect rainwater flowing from an outer pipe of a chimney without increasing a large cost, and further improves the safety of the condensing furnace.

The utility model also provides a gas heating water heater adopting the condensing furnace main heat exchanger with the rainwater collection function.

One of the purposes of the utility model is realized by adopting the following technical scheme:

a condensation furnace main heat exchanger with a rainwater collection function comprises a heat exchanger main body and a top cover, wherein the heat exchanger main body is provided with a smoke collection cavity, and the top cover is installed on the smoke collection cavity; the top cap includes the apron board and certainly the outside surrounding edge that extends of apron board, be equipped with on the apron board and be located the exhaust port in the surrounding edge, the surrounding edge with the apron board forms a chamber that catchments.

Preferably, still be equipped with on the lid bottom plate and be located peripheral ladder groove, the ladder groove with the chamber intercommunication catchments.

Preferably, a drain pipe is further arranged on the cover bottom plate and communicated with the stepped groove.

Preferably, the number of the stepped grooves is two, and the stepped grooves are oppositely arranged.

Preferably, the smoke vent is provided with a first clamping block and a second clamping block, and the first clamping block and the second clamping block are arranged in a staggered mode.

Preferably, the top cover further comprises a fixing part extending outwards from the cover bottom plate, and a smoke guide groove is formed between the bottom surface of the fixing part and the bottom surface of the cover bottom plate.

Preferably, the fixing portion is provided with a plurality of mounting hole locations and reinforcing ribs, the mounting hole locations are uniformly distributed, and the reinforcing ribs are distributed along the mounting hole locations.

Preferably, a sealing strip is mounted on the bottom surface of the fixing part.

Preferably, the bottom surface of fixed part is equipped with sealed chimb and a plurality of locating fixed buckle on the sealed chimb, sealed chimb with the bottom reason of fixed part forms one and is used for the installation step of sealing strip just passes through fixed buckle is fixed.

The second purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a gas heating water heater, includes balanced tobacco pipe and condensate water collector, gas heating water heater still includes connecting pipe and the above-mentioned condensing furnace main heat exchanger of taking the rainwater to collect the function, the exhaust port of condensing furnace main heat exchanger with balanced tobacco pipe links to each other, the condensing furnace main heat exchanger passes through the connecting pipe with condensate water collector links to each other.

Compared with the prior art, the utility model has the beneficial effects that:

according to the condensation furnace main heat exchanger, the top cover of the heat exchanger main body is improved, and the surrounding edge is arranged on the top cover, so that a water collecting cavity with a rainwater collecting function is formed, rainwater flowing from the outer pipe of the chimney can be collected without increasing large cost, and the safety of the condensation furnace is further improved.

Drawings

FIG. 1 is a schematic structural diagram of a main heat exchanger of a condensing furnace with a rainwater collection function according to a preferred embodiment of the present invention;

FIG. 2 is an exploded view of the condensing furnace main heat exchanger with rain water collecting function shown in FIG. 1;

FIG. 3 is a schematic structural view of the top cover shown in FIG. 1;

FIG. 4 is a top view of the overcap shown in FIG. 3;

FIG. 5 is a bottom view of the top cover shown in FIG. 3;

FIG. 6 is a side view of the overcap shown in FIG. 3;

fig. 7 is a schematic view illustrating a structure in which the main heat exchanger of the condensing furnace shown in fig. 1 is installed in a gas-fired heating water heater.

In the figure: 100. a condensing furnace main heat exchanger; 10. a heat exchanger main body; 11. a smoke collection cavity; 20. a top cover; 21. a cover bottom plate; 210. a smoke outlet; 22. surrounding edges; 23. a stepped groove; 24. a drain pipe; 25. a fixed part; 250. a smoke guide groove; 251. mounting hole sites; 252. reinforcing ribs; 253. sealing the convex edge; 254. fixing the buckle; 200. a balance smoke pipe; 300. a condensed water collector; 400. and (4) connecting the pipes.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it should be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

Referring to fig. 1 to 7, a main heat exchanger 100 of a condensing furnace with a rainwater collection function according to a preferred embodiment of the present invention is configured to be installed on a gas-fired heating water heater, the gas-fired heating water heater includes a balance smoke pipe 200, a condensate collector 300 and a connecting pipe 400, a smoke outlet 210 of the main heat exchanger 100 of the condensing furnace is connected to the balance smoke pipe 200, and the main heat exchanger 100 of the condensing furnace is connected to the condensate collector 300 through the connecting pipe 400. Specifically, the main heat exchanger 100 of the condensing furnace comprises a heat exchanger main body 10 and a top cover 20, wherein the heat exchanger main body 10 is provided with a smoke collection cavity 11, and the top cover 20 is installed on the smoke collection cavity 11; the top cover 20 comprises a cover bottom plate 21 and a surrounding edge 22 extending outwards from the cover bottom plate 21, a smoke exhaust port 210 located in the surrounding edge 22 is arranged on the cover bottom plate 21, and the surrounding edge 22 and the cover bottom plate 21 form a water collecting cavity.

The main heat exchanger 100 of the condensing furnace is improved by the top cover 20 of the heat exchanger main body 10, and the surrounding edge 22 is arranged on the top cover 20, so that a water collecting cavity with a rainwater collecting function is formed, rainwater flowing from an outer pipe of a chimney can be collected without additionally increasing large cost, and the safety of the condensing furnace is further improved.

As shown in fig. 1, 2 and 7, the heat exchanger body 10 includes a premixing cavity, a burner, a coil and a smoke collecting cavity 11, which are arranged in sequence in the gas or flue gas flow direction, and the working principle is as follows: after gas and air are mixed according to a certain proportion, the gas and the air enter the premixing cavity and the combustor to be fully combusted, a large amount of high-temperature flue gas is generated after combustion, the high-temperature flue gas passes through the coil pipe and heats water in the coil pipe, heat carried in the flue gas is absorbed by the water flowing in the coil pipe and is condensed, so that the heat exchange process between the flue gas and heating water is completed, then the flue gas flows to the smoke collection cavity 11, and then flows to the inner pipe of the chimney through the smoke outlet 210 of the top cover 20 to guide the flue gas to be discharged outdoors.

As shown in fig. 3 to 5, the cover bottom plate 21 is further provided with a step groove 23 and a drain pipe 24, which are located at the periphery, the step groove 23 is communicated with the water collecting cavity, the drain pipe 24 is communicated with the step groove 23, and when water flowing from the outer pipe of the chimney drops into the water collecting cavity, the water flows into the step groove 23 and then is discharged into the condensed water collector 300 through the drain pipe 24. In one embodiment, the number of the stepped grooves 23 is two, and the stepped grooves 23 are oppositely arranged, so that the drain pipe 24 can be conveniently installed. In this embodiment, the drain pipe 24 is provided with a stopper, and when the drain pipe 24 is not used, the stopper is used to block the drain pipe.

In another embodiment, the smoke outlet 210 is provided with a first clamping block and a second clamping block, the first clamping block and the second clamping block are arranged in a staggered manner, so as to be convenient for fixing the inner tube of the balance smoke tube 200, in this embodiment, reinforcing strips in a triangular shape are further installed around the smoke outlet 210, and the smoke outlet 210 is fixed.

The top cover 20 further comprises a fixing portion 25 extending outwards from the cover bottom plate 21, a smoke guide groove 250 is formed between the bottom surface of the fixing portion 25 and the bottom surface of the cover bottom plate 21, the top cover 20 is fixed through the fixing portion 25, and smoke is guided to flow to the smoke exhaust port 210 through the smoke guide groove 250. Optionally, a plurality of mounting holes 251 and reinforcing ribs 252 are disposed on the fixing portion 25, the mounting holes 251 are uniformly distributed, and the reinforcing ribs 252 are disposed along the mounting holes 251 to enhance the structural strength of the top cover 20.

As shown in fig. 5, a sealing strip (not shown) is mounted on the bottom surface of the fixing portion 25, a sealing convex edge 253 and a plurality of fixing fasteners 254 arranged on the sealing convex edge 253 are arranged on the bottom surface of the fixing portion 25, and the sealing convex edge 253 and the bottom edge of the fixing portion 25 form an installation step for installing the sealing strip and are fixed through the fixing fasteners 254.

Referring to fig. 7 again, the gas-fired water heater according to an embodiment of the present invention includes a balance smoke pipe 200 and a condensate collector 300, and further includes a connecting pipe 400 and the condensing furnace main heat exchanger 100 with the rainwater collection function, wherein the smoke outlet 210 of the condensing furnace main heat exchanger 100 is connected to the balance smoke pipe 200, and the condensing furnace main heat exchanger 100 is connected to the condensate collector 300 through the connecting pipe 400.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A condensation furnace main heat exchanger with a rainwater collection function is characterized by comprising a heat exchanger main body and a top cover, wherein the heat exchanger main body is provided with a smoke collection cavity, and the top cover is arranged on the smoke collection cavity; the top cap includes the apron board and certainly the outside surrounding edge that extends of apron board, be equipped with on the apron board and be located the exhaust port in the surrounding edge, the surrounding edge with the apron board forms a chamber that catchments.

2. A condensing furnace main heat exchanger with a rainwater collection function according to claim 1, characterized in that a stepped groove located at the periphery is further provided on the cover bottom plate, and the stepped groove is communicated with the water collection chamber.

3. A condensing furnace main heat exchanger with a rainwater collection function according to claim 2, characterized in that a drain pipe is further provided on the cover bottom plate, and the drain pipe is communicated with the stepped groove.

4. A condensing furnace main heat exchanger with a rainwater collecting function according to claim 2, characterized in that the number of the stepped grooves is two, and the stepped grooves are oppositely arranged.

5. The condensation furnace main heat exchanger with the rainwater collection function according to claim 1, wherein the smoke outlet is provided with a first clamping block and a second clamping block, and the first clamping block and the second clamping block are arranged in a staggered manner.

6. A condensing furnace primary heat exchanger with a rainwater collection function according to claim 1, wherein the top cover further comprises a fixing portion extending outward from the cover bottom plate, and a bottom surface of the fixing portion and a bottom surface of the cover bottom plate form a smoke guide groove.

7. The condensation furnace main heat exchanger with the rainwater collection function according to claim 6, wherein the fixing portion is provided with a plurality of mounting holes and reinforcing ribs, the mounting holes are uniformly distributed, and the reinforcing ribs are distributed along the mounting holes.

8. A condensing furnace main heat exchanger with a rainwater collection function according to claim 6, wherein a sealing strip is installed on the bottom surface of the fixing portion.

9. A condensing furnace main heat exchanger with a rainwater collection function according to claim 8, characterized in that the bottom surface of the fixing part is provided with a sealing convex edge and a plurality of fixing buckles arranged on the sealing convex edge, and the sealing convex edge and the bottom edge of the fixing part form a mounting step for mounting the sealing strip and are fixed by the fixing buckles.

10. The gas heating water heater comprises a balance smoke pipe and a condensate water collector, and is characterized by further comprising a connecting pipe and the condensing furnace main heat exchanger with the rainwater collection function as claimed in any one of claims 1 to 9, wherein the smoke outlet of the condensing furnace main heat exchanger is connected with the balance smoke pipe, and the condensing furnace main heat exchanger is connected with the condensate water collector through the connecting pipe.