CN203215847U - a gas heater - Google Patents

Abstract

The utility model provides a gas room heater, includes the combustor of gas which characterized in that: the device comprises a shell with a front opening, a hot air guide port, a front cover with a rear opening, a heat exchange cavity with a front opening, a heat exchanger, a combustion chamber, a fan, a combustion air inlet pipe and a smoke exhaust device; the heat exchanger is formed by bending a metal pipe with openings at two ends; the combustion chamber is fixed on the heat exchange cavity, and the combustor is arranged in the combustion chamber; the heat inlet end of the heat exchanger is communicated with the combustion chamber, the opening of the heat exchanger is opposite to the burner, and the smoke outlet end of the heat exchanger is matched with the smoke exhaust device; the combustion air inlet pipe is communicated with the combustion chamber; due to the adoption of the structure, the window can be arranged at a certain position indoors, and can also be arranged in a hole on a wall or a window, and the installation position can be selected in various ways; under the effect of fan, hot-blast can get into indoor fast, and heat exchange efficiency is high. Due to the laying of the indoor natural gas pipeline, each room can be independently provided with one natural gas pipeline; is convenient to use. The combustion air inlet pipe and the smoke exhaust device are communicated with the indoor environment, so that the indoor air is not polluted.

Description

a gas heater

technical field

The invention relates to a heater, especially a gas heater.

Background technique

In the prior art, there is a gas fireplace for heating, which heats circulating water and utilizes indoor radiators to dissipate heat. Existing problems are: installation is inconvenient, and it is inconvenient to use after maintenance in summer.

Contents of the invention

The object of the present invention is to provide a gas heater which is easy to install and use.

The present invention is achieved as follows: a gas heater, including a gas burner, which is special in that it includes a front-opening shell, a hot-air guide port, a rear-opening front cover, a front-opening heat exchange cavity, a heat exchange devices, combustion chambers, fans, combustion air intake pipes and smoke exhaust devices;

The heat exchanger is made by bending a metal tube with openings at both ends; the combustion chamber is fixed on the heat exchange chamber, and the burner is arranged in the combustion chamber; the heat inlet end of the heat exchanger communicates with the combustion chamber and its opening is connected with the combustion chamber The burner is opposite, and the smoke outlet of the heat exchanger cooperates with the smoke exhaust device; the combustion air intake pipe communicates with the combustion chamber;

The heat exchange chamber is arranged in the shell, and there is an air guide gap between the heat exchange chamber and the shell; the hot air guide port is connected to the front opening of the heat exchange chamber, and the outer flange of the hot air guide port is connected to the front air outlet plate and the front cover of the front cover. The junction of the circumferential walls is firmly connected and airtight, and the outer flange of the hot air guide port forms a wind guiding gap with the top wall, side wall and bottom wall of the front cover; the front open end of the shell is inserted into the front cover and can be connected with the front cover. Disassembly and connection; the smoke exhaust device and the fan are arranged in the air guide gap between the rear wall of the heat exchange chamber and the rear wall of the shell, and the fan communicates with the heat exchange chamber;

There are entry holes for indoor air on the top wall, side wall and bottom wall of the front cover, and the entry holes communicate with the air guide gap; the circumferential wall of the front end of the housing is attached to the inner surface of the circumferential wall of the front cover;

Or there are inlet holes for indoor air on the top wall and side wall panels of the front cover, and there is an indoor air inlet gap between the bottom plate of the housing and the bottom plate of the front cover, and the inlet hole and the indoor air inlet gap communicate with the air guide gap; The top wall board and the side wall board of the shell are attached to the top wall board and the side wall board of the front cover.

The above-mentioned gas heater is special in that: there is a gap at the front upper part of the front opening of the heat exchange chamber; the combustion chamber is arranged on the gap.

The above-mentioned gas heater is special in that: the combustion air inlet pipe passes through the shell and the rear wall of the heat exchange chamber and is located in the heat exchange chamber, and its air outlet end communicates with the combustion chamber.

The gas heater described above is special in that: the burner includes a combustion disk and an injection pipe, there are several combustion holes on the combustion disk, the combustion disk is arranged at the gas outlet end of the injection pipe, and the combustion The disc is opposite the end communicating with the heat exchanger and the combustion chamber.

The gas heater described above is special in that: the burner includes a combustion disk and an injection pipe, there are several combustion holes on the combustion disk, the combustion disk is arranged at the gas outlet end of the injection pipe, and the combustion The disc is opposite the end communicating with the heat exchanger and the combustion chamber.

The gas heater described above is special in that there is a gap between the bottom plate of the heat exchange chamber and the bottom plate of the shell.

The gas heater described above is special in that: the smoke exhaust device includes a smoke exhaust fan and a smoke collection hood, the smoke collection hood is arranged in the heat exchange chamber, and the smoke exhaust end of the heat exchanger extends into the smoke collection Inside the hood, the smoke outlet of the smoke collection hood extends out of the heat exchange chamber and communicates with the fan, and the smoke outlet of the smoke exhaust fan extends out of the rear wall of the shell.

A gas heater of the present invention can be installed at a certain position in the room due to the adoption of such a structure, and can also be installed in a hole on a wall or a window, and the installation position can have multiple options; under the action of the fan, Hot air can quickly enter the room, and the heat exchange efficiency is high. Due to the laying of indoor natural gas pipelines, it is possible to set up one for each room; it is convenient to use. Due to the setting of the combustion air intake pipe and smoke exhaust device, it is connected with the room and has no pollution to the indoor air.

Description of drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is one of the three-dimensional exploded views of the present invention.

Fig. 3 is the second perspective exploded view of the present invention.

Fig. 4 is one of the sectional views of the present invention.

Fig. 5 is the second sectional view of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Fig. 1, Fig. 2 and Fig. 3, a gas heater includes a gas burner 1, a shell 2 with a front opening, a hot air guide port 3, a front cover 4 with a rear opening, and a heat exchange chamber 5 with a front opening , heat exchanger 6, combustion chamber 7, fan 8, combustion air intake pipe 9 and smoke exhaust device 10;

The heat exchanger 6 is made by bending a metal tube with openings at both ends; the combustion chamber 7 is fixed on the heat exchange chamber 5, and the burner 1 is arranged in the combustion chamber 7; the heat inlet end of the heat exchanger 6 is connected to the The combustion chamber 7 communicates and its opening is opposite to the burner 1, and the smoke outlet end of the heat exchanger 6 cooperates with the smoke exhaust device 10; the combustion air intake pipe 9 communicates with the combustion chamber 7; hot spot.

The heat exchange chamber 5 is arranged in the shell 2, and there is an air guide gap 11 between the heat exchange chamber 5 and the shell 2; the hot air guide port 3 is connected to the front opening of the heat exchange chamber 5, and the outer flange of the hot air guide port 3 is connected to the front opening of the heat exchange chamber 5. The front air outlet plate 41 of the front cover 4 and the boundary of the peripheral wall 42 are fixedly connected and hermetically sealed; the front open end of the shell 2 is inserted into the front cover 4 and is detachably connected with the top wall plate 421 and the side wall plate 422 of the front cover 4, and the shell There is a gap for indoor air to enter between the bottom wall plate of 2 and the bottom wall plate of the front cover 4, and there are indoor air inlet holes 423 on the top wall plate 421 and the side wall plate 422 of the front cover 4;

It can also be: the front opening end of the shell 2 is inserted into the front cover 4 and is detachably connected with the top wall plate 421, the side wall plate 422 and the bottom wall plate of the front cover 4, and the top wall plate 421 and the side wall plate of the front cover 4 There are indoor air inlet holes 423 on the wall plate 422 and the bottom wall plate;

As shown in Figure 4 and Figure 5, the smoke exhaust device 10 and the fan 8 are arranged in the air guide gap between the rear wall of the heat exchange chamber 5 and the rear wall of the shell 2, and the fan 8 communicates with the heat exchange chamber 5; The fan 8 is fixed on the rear wall plate 52 of the heat exchange chamber 5 . The fan 8 is a consistent fan.

The top wall plate 421 and the side wall plate 422 of the front cover 4 have an inlet hole 423 for indoor air, and the inlet hole 423 communicates with the air guide gap. That is to say: the guide gap 11 between the front cover 4 and the hot air guide port 3 communicates with the air guide gap 11 between the shell 2 and the heat exchange chamber 5, and indoor cold air enters the front cover 4 and the hot air guide port through the inlet hole 423 3, then enter the air guide gap, and enter the heat exchange chamber 5, the hot air guide port 3, the hot air outlet on the front air outlet plate 41 of the front cover 4 under the action of the blower fan 8 and discharge it indoors.

There is a notch 51 at the front upper part of the front opening end of the heat exchange chamber 5 , and the combustion chamber 7 is arranged on the notch 51 . As shown in FIG. 3 , the combustion air intake pipe 9 passes through the shell 2 and the rear wall of the heat exchange chamber 5 and is located in the heat exchange chamber 5 , and its outlet end communicates with the combustion chamber 7 .

The burner 1 includes a combustion disc 1A and an injection tube 1B. There are several combustion holes on the combustion disc 1B. The combustion disc 1B is arranged at the gas outlet end of the injection tube 1A. The connected ends of chamber 7 are opposite. The combustion disc 1B is opposite to the heat inlet end of the heat exchanger 6 .

There is a gap between the bottom plate of the heat exchange cavity 5 and the bottom plate of the shell 2 .

The smoke exhaust device 10 includes a smoke exhaust fan 101 and a smoke collection hood 102, the smoke collection hood 102 is arranged in the heat exchange chamber 5, as shown in Figure 3, the smoke exhaust end of the heat exchanger 6 extends into the smoke collection hood 102 The smoke outlet of the smoke collecting hood 102 extends into the air guide gap 11 between the rear wall plate 52 of the heat exchange chamber 5 and the rear wall plate 21 of the shell 2, and communicates with the smoke exhaust fan 101, and the smoke exhaust fan 101 The smoke outlet stretches out from the rear wall plate 21 of the casing 2 .

When the present invention is in use, the shell 2 is installed in the hole on the wall or the hole on the window, the front cover 4 is located indoors, the rear part of the shell 2 is located outdoors, the combustion air intake pipe 9 and the smoke exhaust fan 101 of the smoke exhaust device 10 The air outlet of the air outlet is located outdoors; the shell can also be directly fixed at a certain position in the room, and the air outlet of the exhaust fan 101 of the combustion air inlet pipe 9 and the smoke exhaust device 10 is respectively communicated with a conduit and stretches out of the room. Operate the control device, the ignition pin ignites the burner 1, the smoke exhaust fan 101 works, the outdoor air enters the combustion chamber 7 through the combustion air intake pipe 9, and the heat energy generated by the combustion of the burner 1 enters from the heat inlet end of the heat exchanger 6, Then, under the action of the exhaust fan 101, the flue gas is discharged to the outside by the exhaust end of the heat exchanger 6; Cavity 5, indoor air enters into heat exchange with heat exchanger 6 in heat exchange cavity 5, and is discharged into the room through the hot air outlet 411 of the front air outlet plate 41 of hot air guide port 3 and front cover 4.

When the shell 2 is installed in the hole on the wall or in the hole on the window, it can be called a window type gas heater.

What has been described above are only preferred embodiments of the present invention. It should be noted that, for those skilled in the art, some improvements and modifications can be made without departing from the principle of the present invention, which are also regarded as the protection scope of the present invention.

Claims (7)

1. A gas heater, comprising a gas burner, is characterized in that: comprising a front opening shell, a hot air guide port, a front cover of a rear opening, a heat exchange cavity of a front opening, a heat exchanger, a combustion chamber, a blower fan, Combustion air intake and smoke exhaust; The heat exchanger is made by bending a metal tube with openings at both ends; the combustion chamber is fixed on the heat exchange chamber, and the burner is arranged in the combustion chamber; the heat inlet end of the heat exchanger communicates with the combustion chamber and its opening is connected with the combustion chamber The burner is opposite, and the smoke outlet of the heat exchanger cooperates with the smoke exhaust device; the combustion air intake pipe communicates with the combustion chamber; The heat exchange chamber is arranged in the shell, and there is an air guide gap between the heat exchange chamber and the shell; the hot air guide port is connected to the front opening of the heat exchange chamber, and the outer flange of the hot air guide port is connected to the front air outlet plate and the front cover of the front cover. The junction of the circumferential walls is firmly connected and airtight, and the outer flange of the hot air guide port forms a wind guiding gap with the top wall, side wall and bottom wall of the front cover; the front open end of the shell is inserted into the front cover and can be connected with the front cover. Disassembly and connection; the smoke exhaust device and the fan are arranged in the air guide gap between the rear wall of the heat exchange chamber and the rear wall of the shell, and the fan communicates with the heat exchange chamber; There are entry holes for indoor air on the top wall, side wall and bottom wall of the front cover, and the entry holes communicate with the air guide gap; the circumferential wall of the front end of the housing is attached to the inner surface of the circumferential wall of the front cover; Or there are inlet holes for indoor air on the top wall and side wall panels of the front cover, and there is an indoor air inlet gap between the bottom plate of the housing and the bottom plate of the front cover, and the inlet hole and the indoor air inlet gap communicate with the air guide gap; The top wall board and the side wall board of the shell are attached to the top wall board and the side wall board of the front cover. 2. A gas heater according to claim 1, characterized in that: there is a gap at the front upper part of the front opening end of the heat exchange chamber; the combustion chamber is arranged on the gap. 3. A gas heater according to claim 2, characterized in that: the combustion air intake pipe passes through the outer casing and the rear wall of the heat exchange chamber and is located in the heat exchange chamber, and its air outlet end communicates with the combustion chamber . 4. A gas heater according to claim 1, characterized in that: the burner includes a combustion disk and an injection pipe, there are several combustion holes on the combustion disk, and the combustion disk is arranged at the bottom of the injection pipe. At the gas outlet, the combustion disc is opposite to the end where the heat exchanger communicates with the combustion chamber. 5. A gas heater according to claim 2, characterized in that: the burner includes a combustion disk and an injection pipe, there are several combustion holes on the combustion disk, and the combustion disk is arranged at the bottom of the injection pipe. At the gas outlet, the combustion disc is opposite to the end where the heat exchanger communicates with the combustion chamber. 6. A gas heater according to claim 1, characterized in that there is a gap between the bottom plate of the heat exchange cavity and the bottom plate of the shell. 7. A gas heater according to claim 1, 2, 3, 4, 5 or 6, characterized in that: the smoke exhaust device includes a smoke exhaust fan and a smoke collection hood, and the smoke collection hood is arranged on the heat exchange In the cavity, the smoke exhaust end of the heat exchanger extends into the smoke collection hood, the smoke exhaust port of the smoke collection hood extends out of the heat exchange cavity and communicates with the fan, and the smoke outlet of the smoke exhaust fan extends out of the rear wall of the shell.

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