CN212619348U - Smoke baffle plate for heat exchanger, heat exchanger assembly and gas water heater - Google Patents

Abstract

The utility model relates to a heat exchanger matching part, and discloses a smoke baffle for a heat exchanger, which comprises an installation part, a bending part and a wind baffle part; the installation department sets up around the portion of keeping out the wind, the portion of bending is connected the installation department with between the portion of keeping out the wind, the portion of keeping out the wind is including leaking hopper-shaped inclined plane, vent and condensate water discharge hole, the vent sets up the middle part on leaking hopper-shaped inclined plane, the condensate water discharge hole sets up leak hopper-shaped on the inclined plane. The heat exchange time of the stainless steel heat exchanger can be prolonged, the heat exchange effect is improved, and a discharge channel of condensed water is provided. The utility model also discloses a heat exchanger subassembly, including heat exchanger, flue gas heat transfer chamber casing and the utility model discloses a heat exchanger is with keeping off the cigarette board, the heat transfer is effectual, and corrosion resistance is strong. Furthermore, the utility model also discloses a gas heater.

Description

Smoke baffle plate for heat exchanger, heat exchanger assembly and gas water heater

Technical Field

The utility model relates to a heat exchanger joins in marriage external member, specifically relates to a heat exchanger is with keeping off cigarette board. Furthermore, the utility model discloses still relate to a heat exchanger subassembly and a gas heater.

Background

A gas water heater is a gas appliance that obtains hot water by burning gas. The high-temperature flue gas generated by combustion of the fuel gas exchanges heat with cold water in the heat exchanger to heat the cold water in the heat exchanger. The heat exchange effect of the heat exchanger has great influence on the heating efficiency of the gas water heater.

In order to improve the heat exchange effect of the heat exchanger, the heat exchanger is usually made of copper with better heat conduction performance. However, the tail gas generated by the combustion of the fuel gas contains SO₂、NO_XAnd after corrosive gases are combined with moisture in flue gas, the corrosive gases can have a large corrosion effect on the copper heat exchanger, damage to the heat exchanger is caused, and the service life of the copper heat exchanger is influenced.

With the continuous progress of the technology, the manufacturing process of the stainless steel heat exchanger is more and more mature, and the stainless steel heat exchanger can better resist the corrosion of corrosive substances by virtue of the excellent corrosion resistance of the stainless steel heat exchanger, so that the heat exchanger made of stainless steel materials can obtain longer service life. However, the heat conductivity of stainless steel is inferior to that of copper, and the heat exchange performance of the stainless steel heat exchanger is inferior to that of the copper heat exchanger under the same structure, so that the heating efficiency of the gas water heater is affected.

In order to make up for the deficiency of the heat exchange performance of the stainless steel heat exchanger, the heat exchange amount of the heat exchanger is increased by increasing the heat exchange area, but the increase of the heat exchange area can greatly increase the weight of the heat exchanger and the complexity of the structure, and the cost of the gas water heater is increased. How to improve the heat exchange effect of the stainless steel heat exchanger for the gas water heater becomes a main technical obstacle which needs to be overcome when the stainless steel heat exchanger is applied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a heat exchanger is with keeping off cigarette board is provided, its flue gas resistance that can increase flue gas heat transfer chamber increases the heat transfer time of heat exchanger, improves heat transfer effect.

The utility model discloses a further technical problem that will solve provides a heat exchanger assembly, and its heat transfer is effectual, and corrosion resistance is strong.

The utility model discloses a further technical problem that will solve provides a gas heater, and its resistance to corrosion is strong, and it is effectual to heat.

In order to solve the technical problem, the utility model provides a smoke baffle for a heat exchanger, which comprises an installation part, a bending part and a wind shielding part; the installation department sets up around the portion of keeping out the wind, the portion of bending is connected the installation department with between the portion of keeping out the wind, the portion of keeping out the wind is including leaking hopper-shaped inclined plane, vent and condensate water discharge hole, the vent sets up the middle part on leaking hopper-shaped inclined plane, the condensate water discharge hole sets up leak hopper-shaped on the inclined plane.

Preferably, the portion of keeping out the wind is square, it has four, four to leak hopper-shaped inclined plane the inclined plane of leaking hopper-shaped is trapezoidal plane, the waist interconnect on the inclined plane of leaking hopper-shaped forms and leaks hopper-shaped, the oral area on the inclined plane of leaking hopper-shaped with the portion of bending is connected, the bottom on the inclined plane of leaking hopper-shaped is provided with the vent. In this preferred technical scheme, four are leaked the inclined plane and enclose into square hourglass shape, are convenient for the comdenstion water that drops on the portion that keeps out the wind to the bottom of funnel concentrate, from setting up comdenstion water discharge hole and the vent on leaking the inclined plane and discharging.

Further preferably, the wind shielding part further comprises a wind shielding surface, the wind shielding surface is arranged at the bottom of the funnel-shaped inclined surface, and the wind shielding surface is provided with the ventilation opening. Through this preferred technical scheme, be provided with the face of keeping out the wind in the bottom of funnel, and set up the vent on the face of keeping out the wind, can form mild ventilation air current, reduce the influence of ventilation air current to the comdenstion water.

Further, the ventilation opening extends from the wind shielding surface to the funnel-shaped inclined surfaces on two opposite sides. In this preferred technical scheme, extend to the vent on the face of keeping out the wind of both sides can increase the area of vent, simultaneously, be convenient for control the length of the vent on the inclined plane that leaks hopper-shaped to the mixed proportion of control gas and air.

Preferably, the condensate discharging hole is provided in plurality, and the plurality of condensate discharging holes are provided at different positions on the funnel-shaped slope. In this preferred technical scheme, a plurality of comdenstion water discharge holes that set up in the different positions on the inclined plane that leaks hopper-shaped can make more comdenstion water flow out from the comdenstion water discharge hole, reduces the influence of air current to comdenstion water and discharges.

Further preferably, the condensed water discharge holes are divided into a plurality of groups, and each group of the condensed water discharge holes is arranged at a different position on the funnel-shaped inclined surface. Through this preferred technical scheme, the comdenstion water discharge hole of grouping setting can avoid too much comdenstion water discharge hole to the influence of windshield intensity when discharging the comdenstion water better.

Preferably, the bent portion is formed to be bent integrally back to the bottom direction of the funnel-shaped inclined plane, and a condensation water tank is formed. Through this preferred technical scheme, can make the comdenstion water that agglutinates on flue gas heat transfer chamber casing flow in condensate water tank to discharge through condensate water tank, further reduce the volume of the comdenstion water of discharging through the vent.

Further preferably, a condensate drain port is provided at the bottom of the condensate tank. In this preferred technical scheme, the comdenstion water that collects in the condensate tank can be discharged through the comdenstion water discharge port of comdenstion water tank bottom, is convenient for the concentrated emission of comdenstion water.

Preferably, the bent portion is formed as a bend toward a bottom direction of the funnel-shaped slope. Through this preferred technical scheme, can increase the utility model discloses a keep off the volume of the cavity between cigarette board and the flue gas heat transfer chamber casing, improve the combustion performance of gas.

The utility model discloses the second aspect provides a heat exchanger assembly, including heat exchanger, flue gas heat transfer chamber casing and the utility model discloses the heat exchanger that the first aspect provided is with keeping off the cigarette board, the heat exchanger is installed in the flue gas heat transfer chamber casing, the heat exchanger is installed with keeping off the cigarette board flue gas heat transfer chamber casing below, and pass through the installation department is fixed the income wind gap department of flue gas heat transfer chamber casing.

Preferably, the heat exchanger comprises a heat exchange fin and a heat exchange tube, and the heat exchange fin and the heat exchange tube are both formed by stainless steel materials. In the preferred technical scheme, the corrosion resistance of the stainless steel heat exchange fins and the heat exchange tube is stronger, and meanwhile, the smoke baffle plate for the heat exchanger is used for improving the heat exchange performance of the stainless steel heat exchange fins and the stainless steel heat exchange tube and ensuring the heat exchange effect of the heat exchanger.

The utility model discloses the third aspect provides a gas heater, include the utility model discloses the heat exchanger subassembly that the second aspect provided.

Through the technical scheme, the utility model discloses a heat exchanger is with keeping off the cigarette board can shelter from the air intake in flue gas heat transfer chamber, increases the flow resistance of the flue gas that the gas combustion produced, reduces the flow velocity of flue gas, increases the heat transfer time of flue gas and heat exchanger, improves heat transfer effect. And the condensate water generated in the heat exchange process is convenient to collect and discharge, and the damage of the condensate water to the heat exchanger and the leakage of the condensate water are prevented. The utility model discloses a heat exchanger component, through the utility model discloses a heat exchanger is with keeping off the cigarette board and sheltering from the income wind gap air current of heat exchanger, has slowed down the flow velocity of high temperature flue gas, has improved the contact time of high temperature flue gas and heat exchanger, and the heat transfer of heat exchanger is effectual; the optimized discharge of the condensed water generated by the heat exchanger is realized, and the corrosion resistance of the heat exchanger is improved. The utility model provides a gas heater, the heat transfer effect of heat exchanger is better, and the utilization ratio of gas is higher.

Other technical features and advantages of the present invention will be further described in the following detailed description.

Drawings

FIG. 1 is a top view of one embodiment of a smoke barrier of the present invention;

FIG. 2 is a front view of one embodiment of the smoke barrier of the present invention;

FIG. 3 is a side view of one embodiment of a smoke barrier of the present invention;

FIG. 4 is a schematic perspective view of an embodiment of a smoke barrier of the present invention;

FIG. 5 is a schematic view of an embodiment of the heat exchanger assembly of the present invention;

FIG. 6 is a partial cross-sectional view of one embodiment of the heat exchanger assembly of the present invention;

FIG. 7 is an enlarged view of a portion A of FIG. 6;

FIG. 8 is a top view of another embodiment of a smoke barrier of the present invention;

FIG. 9 is a schematic perspective view of another embodiment of a smoke barrier of the present invention;

FIG. 10 is a front view of another embodiment of a smoke barrier of the present invention;

fig. 11 is a schematic view of another embodiment of a heat exchanger assembly of the present invention;

fig. 12 is a partial cross-sectional view of another embodiment of a heat exchanger assembly of the present invention;

fig. 13 is a partially enlarged view of a portion B in fig. 12.

Description of the reference numerals

1 mounting part 11 mounting hole

12 installation flange 2 bending part

21 condensate tank 22 condensate water discharge port

3 funnel inclined plane of wind shield 31

32 vent 33 condensate drain

34 wind shielding surface 4 flue gas heat exchange cavity shell

Detailed Description

In the present invention, unless otherwise specified, the terms of orientation or positional relationship as indicated by "upper and lower" used in the present invention are the ones in which the described device or component is actually used.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and for example, the term "connected" may be a fixed connection, a detachable connection, or an integral connection; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1 to 13, the smoke barrier for heat exchanger of the present invention includes an installation portion 1, a bending portion 2 and a wind blocking portion 3. The mounting portion 1 is provided around the windshield portion 3 and has a frame-shaped structure whose main body is a plane. The periphery of the mounting part 1 is provided with a plurality of mounting holes 11 so as to be mounted on the flue gas heat exchange cavity shell 4 through the mounting holes 11. The outer edge of the mounting part 1 can also be provided with a mounting flange 12 which is oppositely arranged, so that the mounting part 1 can be better positioned and mounted on the shell of the flue gas heat exchange cavity. The wind-blocking portion 3 is disposed in the frame-shaped structure of the mounting portion 11 and is connected to the mounting portion 1 through the bent portion 2. The utility model discloses a heat exchanger is with keeping off the cigarette board and being made by high temperature resistant material, can prevent that the flue gas that the gas combustion produced from causing the damage that keeps off the cigarette board. Specific materials of construction may be, but are not limited to, stainless steel. The utility model discloses an installation department 1, the portion of bending 2 and the portion of keeping out the wind 3 of cigarette board for the heat exchanger can integrated into one piece, also can link together after the shaping respectively. The wind shielding part 3 comprises a funnel-shaped inclined surface 31, a vent 32 and a condensate water discharge hole 33, the upper edge of the funnel-shaped inclined surface 31 is connected with the bending part 2, the vent 32 is formed at the lower part of the funnel-shaped inclined surface 31, condensate water generated in the heat exchange process of the condensing water heater can be received, and the condensate water is collected towards the vent 32 under the action of gravity. The vent 32 is located in the middle of the wind shielding part 3 to form an air inlet of the flue gas heat exchange cavity, so that the wind shielding part 3 forms a venturi structure in the flue gas heat exchange cavity, the flow rate of the flue gas in the flue gas heat exchange cavity is low, the contact time of the flue gas and the heat exchanger is long, the flue gas and the water in the heat exchanger can exchange heat for a longer time, and the water can absorb the heat generated by gas combustion more sufficiently. However, excessive shielding of the air inlet also causes reduction of air inlet volume, which affects sufficient combustion of fuel gas and reduces exhaust performance of tail gas. The funnel-shaped inclined surface 31 is provided with a condensed water discharge hole 33, so that part of condensed water can be discharged out of the flue gas heat exchange cavity through the condensed water discharge hole 33, and part of condensed water is discharged through the ventilation opening 32. The condensed water is prevented from being accumulated in the smoke heat exchange cavity and corroding the heat exchanger and other parts of the gas water heater.

In the embodiments of the smoke baffle for heat exchanger of the present invention, as shown in fig. 1, fig. 4, fig. 8 and fig. 9, the smoke baffle for heat exchanger of the present invention is rectangular and similar to the cross-sectional shape of the smoke heat exchange chamber of a common gas water heater. The wind-blocking part 3 is also rectangular, the funnel-shaped inclined surfaces 31 are four, the four funnel-shaped inclined surfaces 31 are trapezoidal planes with the same height, two of the four funnel-shaped inclined surfaces are trapezoids with the same shape and longer bottom edges, and the other two funnel-shaped inclined surfaces are trapezoids with the same shape and shorter bottom edges. The waist parts of the four funnel-shaped inclined planes 31 are connected with each other to form a square funnel shape. The connecting portion of the different funnel-shaped slopes 31 may further be formed with a condensed water guiding groove to better guide the condensed water to the bottom of the funnel-shaped slopes. The mouth of the funnel-shaped inclined plane 31 is connected to the bending part 2, and the bottom of the funnel-shaped inclined plane 31 is provided with a vent 32. The ventilation openings 32 may be formed directly by the bottom edges of the four funnel-shaped slopes 31, or may be formed by a structure having the ventilation openings 32 mounted on the bottom edges of the funnel-shaped slopes 31. The square funnel-shaped channel formed by the four trapezoid-plane funnel-shaped inclined planes 31 can be better matched with a flue gas heat exchange cavity of the gas water heater, and the processing is more convenient.

In some embodiments of the smoke barrier for heat exchanger of the present invention, as shown in fig. 1 to 4, 8 and 9, a wind shielding surface 34 is disposed at the bottom of the funnel-shaped inclined surface 31, and the wind shielding surface 34 is a rectangular plane. The vent 32 is disposed on the wind-shielding surface 34. The ventilation opening 32 may be provided as a rectangular opening that coincides with the longitudinal direction of the wind shielding surface 34. The periphery of the wind shielding surface 34 is connected to the bottom of the funnel-shaped inclined surface 31, and a condensed water guiding groove may be provided at the connecting portion thereof to guide the flow of the condensed water to be discharged from a specific position of the wind shielding portion 3.

As a specific embodiment of the smoke barrier for a heat exchanger of the present invention, as shown in fig. 1, fig. 3-5, fig. 8-9, and fig. 11, the ventilation opening 32 is formed on the wind shielding surface 34 to extend through the length direction of the wind shielding surface 34 and to the funnel-shaped inclined surfaces 31 on the opposite sides connected thereto, so as to form the ventilation opening 32 crossing the wind shielding surface 34 and the funnel-shaped inclined surfaces 31 on the opposite sides of the wind shielding surface 34. The length of the ventilation openings 32 arranged on the funnel-shaped inclined surfaces 31 at the two sides can be controlled to control the air quantity entering the flue gas heat exchange cavity through the ventilation openings 32. The gas combustion cavity and the flue gas heat exchange cavity of a common gas water heater are the same, and the control of the air quantity passing through the vent 32 can not only control the mixing proportion of air and gas in the flue gas heat exchange cavity, but also control the flow speed of flue gas, and realize the balance of heat exchange and tail gas emission.

In some embodiments of the smoke barrier for heat exchanger of the present invention, as shown in fig. 1, 4, 8 and 9, the plurality of condensed water discharge holes 33 are disposed on the funnel-shaped inclined surface 31, and the plurality of condensed water discharge holes 33 can be disposed at different positions on the funnel-shaped inclined surface 31, so as to discharge condensed water from different positions on the funnel-shaped inclined surface 31, thereby preventing the condensed water from accumulating.

As a specific embodiment of the smoke barrier for heat exchanger of the present invention, as shown in fig. 1, fig. 4, fig. 8 and fig. 9, the condensed water discharge holes 33 are divided into a plurality of groups, the condensed water discharge holes 33 in each group are disposed in the same region on the funnel-shaped inclined surface 31, and the condensed water discharge holes 33 in different groups are disposed at different positions on the funnel-shaped inclined surface 31, so as to achieve the effect that the condensed water is sufficiently discharged from a specific portion.

In the utility model discloses a heat exchanger is with keeping off some embodiments of cigarette board, as shown in fig. 9-13, the portion of bending 2 forms the whole portion and leaks the bending of hopper-shaped inclined plane 31 bottom direction dorsad for under the user state, the position that hopper-shaped inclined plane 31 and the portion of bending 2 are connected, the oral area that just leaks hopper-shaped inclined plane 31 is higher than installation department 1 promptly. And, the part that portion 2 and the installation department 1 of bending are connected is bent downwards, forms and is used for collecting the utility model discloses a heat exchanger is with condensation water-cooled condensate tank 21 that keeps off the junction production of cigarette board and flue gas heat transfer chamber casing 4. The condensate tank 21 can guide the collected condensate to a specific location to be discharged. The setting of condensate tank 21 has taken the air inlet area in certain flue gas heat transfer chamber on the portion 2 of bending, can lead to the increase of fume emission resistance usually, helps improving heat transfer effect.

As a specific embodiment of the smoke barrier for a heat exchanger of the present invention, as shown in fig. 9 to 13, a condensate water discharge port 22 is provided at the bottom of a condensate water tank 21. The condensate discharging ports 22 may be provided in plural, for example, ten condensate discharging ports 22 may be provided on the condensate tank 21, and the ten condensate discharging ports 22 may be symmetrically provided on the condensate tank 21 or may be uniformly provided on the condensate tank 21.

In some embodiments of the smoke barrier for heat exchanger of the present invention, the bending portion 2 shown in fig. 2-7 is formed as a bend toward the bottom of the funnel-shaped inclined surface 31, so that in the use state, the portion of the funnel-shaped inclined surface 31 connected to the bending portion 2, i.e. the mouth of the funnel-shaped inclined surface 31 is lower than the installation portion 1. Like this, under the installation, the volume of flue gas heat transfer chamber is bigger, and the combustion effect of gas is better. At this moment, the utility model discloses a comdenstion water that the junction of heat exchanger usefulness cigarette board and flue gas heat transfer chamber casing 4 produced can follow the 2 flow directions of bending that bend downwards and leak hopper-shaped inclined plane 31, can not form storing up of comdenstion water.

The utility model discloses an implementation mode of heat exchanger assembly, as shown in fig. 5 to 7, fig. 11 to 13, including heat exchanger, flue gas heat transfer chamber casing 4 and the utility model discloses the heat exchanger of any embodiment is with keeping off the cigarette board. The heat exchanger is installed in the flue gas heat exchange cavity shell 4, the flue gas heat exchange cavity shell 4 is provided with an air inlet and an air outlet, high-temperature flue gas generated by combustion of the fuel gas enters the flue gas heat exchange cavity through the air inlet of the flue gas heat exchange cavity shell 4 and exchanges heat with the heat exchanger in the flue gas heat exchange cavity to heat cold water in the heat exchanger, and waste gas after heat exchange is discharged through the air outlet of the flue gas heat exchange cavity shell 4. The smoke baffle plate for the heat exchanger is arranged at an air inlet below the smoke heat exchange cavity shell 4 through the installation part 1, and the wind shielding surface 34 is kept below the installation part 1. Specifically, a screw may be used to pass through the mounting hole 11 and be fixed on the flue gas heat exchange cavity housing 4, and when the mounting portion 1 has the mounting flange 12, the mounting flange 12 may be clamped outside the flue gas heat exchange cavity housing 4. Therefore, high-temperature flue gas enters the air inlet of the flue gas heat exchange cavity shell 4 through the vent 32, the flow resistance of the high-temperature flue gas is increased, the flow speed of the high-temperature flue gas is reduced, the contact time of the high-temperature flue gas and the heat exchanger is prolonged, and the heat exchange effect is improved. In addition, the condensed water generated by the heat exchange cavity can be discharged in time through the structures such as the condensed water discharge hole 33, the condensed water tank 21, the condensed water discharge hole 22 and the like, and the corrosion resistance of the heat exchanger assembly is improved.

In some embodiments of the heat exchanger assembly of the present invention, the heat exchanger includes heat exchanger fins and a heat exchange tube, and the heat exchanger fins and the heat exchange tube are formed by stainless steel. The heat exchange fins and the heat exchange tubes can be made of stainless steel materials of different materials, and the processing performance and the corrosion resistance of the heat exchanger are further improved.

Through the technical scheme, the utility model discloses a heat exchanger is with keeping off cigarette board installs the lower extreme at gas heater's flue gas heat transfer chamber casing 4 through installation department 1, and gas combustion among the gas heater produces the higher flue gas of temperature, and the higher flue gas of temperature gets into the heat transfer region at heat exchanger place, carries out the heat exchange with the water that flows in the heat exchanger to heat the temperature that the user needed with water. The utility model discloses a heat exchanger has formed the venturi structure of infundibulate with the inlet air channel of the portion of keeping out the wind 3 of cigarette board, therefore the gas flow speed of vent 32 department is very fast, and the gas flow speed in the heat transfer region of heat exchanger is slower to prolonged the higher flue gas of temperature at the heat exchanger heat transfer regional heat transfer time, improved heat transfer effect. For a condensing water heater, condensed water can be generated in the heat exchange process and deposited in a heat exchanger, so that the tail gas of the water heater does not reach the standard; corrosive gas in tail gas can be absorbed, excessive corrosion is caused to the heat exchanger, and the service life of the heat exchanger is shortened; in addition, the positive pressure of the heat exchange area of the heat exchanger easily causes the leakage of condensed water from the weak sealing performance of the heat exchanger, and corrodes other parts of the water heater. Therefore, the utility model discloses a heat exchanger is with keeping off the cigarette board and having set up comdenstion water discharge hole 33 on leaking hopper-shaped inclined plane the utility model discloses a still set up other comdenstion water discharge structures among the preferred technical scheme of heat exchanger is with keeping off the cigarette board to make things convenient for the comdenstion water to discharge, thereby guarantee that the comdenstion water among the heat transfer process can in time discharge out the heat exchanger.

The utility model discloses a heat exchanger subassembly has installed in the income wind gap department of flue gas heat transfer chamber casing 4 the utility model discloses a heat exchanger is with keeping off the cigarette board for the high temperature flue gas that the gas combustion produced can only get into flue gas heat transfer chamber through vent 32, has increased the flow resistance of high temperature flue gas, and the flow speed of the high temperature flue gas that slows down has improved the contact time of high temperature flue gas and heat exchanger, has promoted heat transfer effect. The arrangement of condensate water discharge structures such as the condensate water discharge hole 33, the condensate water tank 21 and the condensate water discharge hole 22, and the use of the heat exchanger made of stainless steel can effectively improve the corrosion resistance of the heat exchanger.

The utility model provides a gas water heater has used the utility model discloses a heat exchanger assembly, the resistance to corrosion of heat exchanger is strong, and the heat transfer is effectual, the high-usage of gas.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "a specific implementation," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present disclosure, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the present invention is that it is possible to combine the simple variants of the technical solution of the present invention, including each specific technical feature, in any suitable way. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims (12)

1. A smoke baffle for a heat exchanger is characterized by comprising an installation part (1), a bent part (2) and a wind baffle part (3); installation department (1) sets up around wind-break portion (3), bend portion (2) and connect installation department (1) with between wind-break portion (3), wind-break portion (3) are including leaking hopper-shaped inclined plane (31), vent (32) and comdenstion water discharge hole (33), vent (32) set up the middle part on funnel-shaped inclined plane (31), comdenstion water discharge hole (33) set up leak hopper-shaped inclined plane (31) are last.

2. The smoke baffle plate for the heat exchanger according to claim 1, wherein the wind shielding part (3) is square, the funnel-shaped inclined surface (31) has four blocks, the four funnel-shaped inclined surfaces (31) are trapezoidal planes, the waist parts of the funnel-shaped inclined surfaces (31) are connected with each other to form a funnel shape, the mouth part of the funnel-shaped inclined surface (31) is connected with the bending part (2), and the bottom part of the funnel-shaped inclined surface (31) is provided with the ventilation opening (32).

3. The smoke baffle for heat exchanger according to claim 2, wherein the wind shielding part (3) further comprises a wind shielding surface (34), the wind shielding surface (34) is disposed at the bottom of the funnel-shaped inclined surface (31), and the ventilation opening (32) is disposed on the wind shielding surface (34).

4. The smoke barrier for heat exchanger according to claim 3, wherein said ventilation openings (32) extend from said wind shielding surface (34) to said funnel-shaped slopes (31) on opposite sides.

5. The smoke barrier for a heat exchanger according to claim 1, wherein the plurality of the condensate discharging holes (33) are provided, and the plurality of the condensate discharging holes (33) are provided at different portions of the funnel-shaped inclined surface (31).

6. The smoke barrier for a heat exchanger according to claim 5, wherein the condensate discharging holes (33) are divided into a plurality of groups, and each group of the condensate discharging holes (33) is provided at a different position on the funnel-shaped inclined surface (31).

7. The smoke barrier for heat exchanger according to any one of claims 1 to 6, wherein the bent portion (2) is formed as a bend integrally facing away from the bottom of the funnel-shaped slope (31) and is formed with a condensate water tank (21).

8. The smoke barrier for a heat exchanger according to claim 7, wherein a condensate drain port (22) is provided at a bottom of the condensate tank (21).

9. The smoke barrier for heat exchanger according to any one of claims 1 to 6, wherein said bent portion (2) is formed as a bend toward the bottom of said funnel-shaped slope (31).

10. A heat exchanger assembly, characterized by comprising a heat exchanger, a flue gas heat exchange cavity shell (4) and a smoke baffle for the heat exchanger as claimed in any one of claims 1 to 9, wherein the heat exchanger is installed in the flue gas heat exchange cavity shell (4), and the smoke baffle for the heat exchanger is installed below the flue gas heat exchange cavity shell (4) and fixed at the air inlet of the flue gas heat exchange cavity shell (4) through the installation part.

11. The heat exchanger assembly of claim 10, wherein the heat exchanger comprises fins and heat exchange tubes, both of which are formed of stainless steel.

12. A gas water heater comprising a heat exchanger assembly as claimed in claim 10 or 11.

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