CN217875909U

CN217875909U - Energy-saving high-efficiency gas wall-mounted furnace

Info

Publication number: CN217875909U
Application number: CN202221629110.0U
Authority: CN
Inventors: 李保志
Original assignee: Hebei Shengjiu Electrical Equipment Co ltd
Current assignee: Hebei Shengjiu Electrical Equipment Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-22
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses an energy-saving high-efficiency gas wall-mounted furnace, which comprises a furnace body, a combustion cavity, a smoke exhaust cavity, an air inlet cavity and an expansion water tank; a combustion nozzle and a heat absorption water tank are arranged in the combustion cavity, a smoke inlet tee joint is arranged on the inlet side of the smoke exhaust cavity, a smoke exhaust port communicated with two horizontal inlets of the smoke inlet tee joint is arranged on the combustion cavity, turbulence strips are respectively arranged in the two horizontal inlets of the smoke inlet tee joint, a water inlet pipe and a water outlet pipe are connected to the heat absorption water tank, a circulating pump and a preheating coil pipe section are arranged on the water inlet pipe, the preheating coil pipe section is positioned in the smoke exhaust cavity at the downstream of the smoke inlet tee joint, and a draught fan is further arranged in the smoke exhaust cavity at the downstream of the preheating coil pipe section; the utility model discloses well flue gas that flows in opposite directions is offset behind the vortex strip for the flue gas of original steady laminar flow tends to form unstable turbulent state, and turbulent state's flue gas promotes greatly with the heat exchange efficiency who preheats the coil section, is favorable to the heat absorption temperature rise of rivers and the thermal make full use of flue gas.

Description

Energy-saving high-efficiency gas wall-mounted furnace

Technical Field

The utility model relates to a gas hanging stove field, concretely relates to energy-conserving high-efficient type gas hanging stove.

Background

The wall-mounted gas boiler is a common hot water preparation device, and in order to improve the heat energy utilization rate of the wall-mounted gas boiler, a condensation type wall-mounted gas boiler for preheating inlet water by using combustion flue gas appears on the market, and has the advantage of energy conservation compared with a common wall-mounted boiler; however, in the actual use process, the heat exchange efficiency is lower in the mode that the water flow heat absorption coil pipe is arranged in the smoke exhaust channel, the efficient utilization of smoke exhaust heat is not facilitated, and a certain lifting space is provided.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims to provide an energy-conserving high-efficient type gas hanging stove, it has effectively solved the problem that exists among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an energy-saving high-efficiency wall-mounted gas boiler comprises a boiler body, a combustion cavity, a smoke exhaust cavity, an air inlet cavity and an expansion water tank; a combustion nozzle and a heat absorption water tank are arranged in the combustion cavity, the bottom and the top of the combustion cavity are respectively communicated with the air inlet cavity and the smoke exhaust cavity, a smoke inlet tee joint is arranged on the inlet side of the smoke exhaust cavity, a smoke exhaust port communicated with two horizontal inlets of the smoke inlet tee joint is arranged on the combustion cavity, turbulence strips are respectively arranged in the two horizontal inlets of the smoke inlet tee joint, and the length direction of the turbulence strips is perpendicular to the smoke inlet direction of the smoke inlet tee joint; the heat absorption water tank is connected with a water inlet pipe and a water outlet pipe, the water inlet pipe is provided with a circulating pump and a preheating coil section, the preheating coil section is positioned in a smoke exhaust cavity at the downstream of the smoke inlet tee joint, and a draught fan is also arranged in the smoke exhaust cavity at the downstream of the preheating coil section; the expansion water tank is connected with the water inlet pipe through a communicating pipe.

Furthermore, the cross section of the turbulence strip is isosceles trapezoid, and the longer side in the parallel sides of the isosceles trapezoid faces the smoke direction.

Furthermore, both ends are fixed respectively on the inner wall of entering cigarette tee bend around the vortex strip level setting and vortex strip.

Further, a straight section is arranged in the smoke exhaust cavity below the preheating coil pipe section, the bottom surface of the inner side of the straight section is a slope surface with a high left side and a low right side, a water collecting pipe is arranged at the slope bottom, a water collecting tank is connected below the water collecting pipe, the water collecting tank is communicated with the expansion water tank through a discharge pipe, a water pump is arranged on the discharge pipe, and a liquid level switch electrically connected with the water pump is arranged in the water collecting tank.

Furthermore, a one-way valve is arranged on the discharge pipe.

The utility model discloses following beneficial technological effect has:

the utility model discloses the upper reaches of well preheating coil section are provided with the vortex strip, and the flue gas that flows in opposite directions is offset behind the vortex strip for the flue gas of original steady laminar flow tends to form unstable turbulent state, and turbulent state's flue gas promotes greatly with the heat exchange efficiency who preheats the coil section, is favorable to the heat absorption of rivers to rise and the thermal make full use of flue gas, has very strong practicality.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1, the energy-saving and efficient wall-mounted gas boiler according to the embodiment includes a boiler body 1, a combustion chamber 2, a smoke exhaust chamber 3, an air inlet chamber 4 and an expansion water tank 5; a combustion nozzle 6 and a heat absorption water tank 7 are arranged in the combustion chamber 2, the combustion nozzle 6 is connected with a gas pipe 8, the bottom and the top of the combustion chamber 2 are respectively communicated with the gas inlet chamber 4 and the smoke exhaust chamber 3, the inlet side of the smoke exhaust chamber 3 is provided with a smoke inlet tee joint 9, the combustion chamber 2 is provided with a smoke exhaust port 10 communicated with two horizontal inlets of the smoke inlet tee joint 9, two horizontal inlets of the smoke inlet tee joint 9 are respectively provided with a turbulence strip 11, the length direction of the turbulence strip 11 is vertical to the smoke inlet direction of the smoke inlet tee joint 9, concretely, the turbulence strip 11 is horizontally arranged, the front end and the rear end of the turbulence strip 11 are respectively fixed on the inner wall of the smoke inlet tee joint 9, the cross section of the turbulence strip 11 is an isosceles trapezoid, and the longer side of the parallel sides of the isosceles trapezoid faces the smoke inlet direction; the heat absorption water tank 7 is connected with a water inlet pipe 12 and a water outlet pipe 13, the water inlet pipe 12 is provided with a circulating pump and a preheating coil section 14, the preheating coil section 14 is positioned in the smoke exhaust cavity 3 at the downstream of the smoke inlet tee joint 9, and the smoke exhaust cavity 3 at the downstream of the preheating coil section 14 is also provided with a draught fan 15; the expansion tank 5 is connected to the inlet pipe 12 through a connection pipe 16.

A straight section 17 is arranged in the smoke exhaust cavity 3 below the preheating coil pipe section 14, the bottom surface of the inner side of the straight section 17 is a slope surface with a high left and a low right, a water collecting pipe 18 is arranged at the slope bottom, a water collecting tank 19 is connected below the water collecting pipe 18, the water collecting tank 19 is communicated with the expansion water tank 5 through a discharge pipe 20, a water pump is arranged on the discharge pipe 20, a liquid level switch electrically connected with the water pump is arranged in the water collecting tank 19, and a one-way valve is also arranged on the discharge pipe 20 to allow water flow to flow from the water collecting tank 19 to the expansion water tank 5; in the practical application process, the existing condensing type gas wall-mounted boiler is provided with an external condensate pipe and is very inconvenient to be connected into a sewer, the pipe is always required to be exposed, the integral aesthetic property is damaged, and the daily activities are influenced, so that a user often uses a water receiving basin and other vessels to contain condensate water, the appearance is not attractive and inconvenient, the condensate water in the working process of the wall-mounted boiler can be automatically stored and then is filled into the expansion water tank 5 by using the water collecting pipe 18, the water collecting tank 19, the water pump and the discharge pipe 20, the trouble of the external condensate pipe is avoided, the condensate water outside the preheating coil pipe section 14 drops on the straight section 17 and then enters the water collecting tank 19 through the water collecting pipe 18, and the water pump is started after the liquid level switch is started and then pumps the water stored in the water collecting tank 19 into the expansion water tank 5; and after the liquid level is reduced to the disconnection height of the liquid level switch, the water pump stops acting.

The working principle of the embodiment is as follows:

when heating, the burner 6 and the draught fan 15 work, negative pressure is generated in the combustion cavity 2, external air enters the combustion cavity 2 through the air inlet cavity 4 and then is mixed with gas to be ignited to generate flames and smoke, the flames and the smoke heat water in the heat absorption water tank 7 together, the heated water is sent out through the water outlet pipe 13, the smoke enters two horizontal inlets of the smoke inlet tee joint 9 through the smoke outlet 10 and forms vortexes after the turbulence strips 11, the vortexes in two opposite flowing smoke streams collide with each other to form smoke in a turbulent flow state, the stable laminar flow state of the smoke is damaged, the smoke in the turbulent flow state continuously flows along the smoke outlet cavity 3 and then reaches the preheating coil section 14, water enters the furnace body 1 through the water inlet pipe 12, the heat of the smoke is firstly absorbed through the preheating coil section 14 and then is preheated, the smoke after being cooled is discharged to the outside, the water after being heated continuously flows into the water tank 7 to absorb the heat, the heat utilization rate of the gas wall-hanging furnace is improved, the purpose of energy conservation is achieved, the heat absorption efficiency is higher compared with the existing product, and the wall-hanging furnace has strong practicability.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An energy-saving high-efficiency wall-mounted gas boiler is characterized by comprising a boiler body, a combustion cavity, a smoke exhaust cavity, an air inlet cavity and an expansion water tank; a combustion nozzle and a heat absorption water tank are arranged in the combustion cavity, the bottom and the top of the combustion cavity are respectively communicated with the air inlet cavity and the smoke exhaust cavity, a smoke inlet tee joint is arranged on the inlet side of the smoke exhaust cavity, a smoke exhaust port communicated with two horizontal inlets of the smoke inlet tee joint is arranged on the combustion cavity, turbulence strips are respectively arranged in the two horizontal inlets of the smoke inlet tee joint, and the length direction of the turbulence strips is perpendicular to the smoke inlet direction of the smoke inlet tee joint; the heat absorption water tank is connected with a water inlet pipe and a water outlet pipe, the water inlet pipe is provided with a circulating pump and a preheating coil section, the preheating coil section is positioned in a smoke exhaust cavity at the downstream of the smoke inlet tee joint, and a draught fan is further arranged in the smoke exhaust cavity at the downstream of the preheating coil section; the expansion water tank is connected with the water inlet pipe through a communicating pipe.

2. The energy-saving and efficient gas wall hanging stove as claimed in claim 1, wherein the cross section of the spoiler strip is isosceles trapezoid and the longer side of the parallel sides of the isosceles trapezoid faces the smoke direction.

3. The energy-saving and efficient wall-mounted gas stove as claimed in claim 2, wherein the turbulence strips are horizontally arranged and the front and rear ends of the turbulence strips are respectively fixed on the inner wall of the smoke inlet tee.

4. The energy-saving high-efficiency gas wall-mounted furnace according to any one of claims 1 to 3, wherein a straight section is arranged in the smoke exhaust cavity below the preheating coil section, the inner bottom surface of the straight section is a slope surface with a height from left to right, a water collecting pipe is arranged at the slope bottom, a water collecting tank is connected below the water collecting pipe, the water collecting tank is communicated with the expansion water tank through a discharge pipe, a water pump is arranged on the discharge pipe, and a liquid level switch electrically connected with the water pump is arranged in the water collecting tank.

5. The energy-saving efficient gas wall-hanging stove as claimed in claim 4, wherein the discharge pipe is further provided with a check valve.