CN210486044U

CN210486044U - Civil heating stove

Info

Publication number: CN210486044U
Application number: CN201921274530.XU
Authority: CN
Inventors: 韩涛; 陈西忠; 庞茂伦; 王学明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-08
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a civil heating stove. The civil heating furnace comprises a furnace body, wherein a heating cavity is limited in the furnace body, and a water inlet pipe and a water outlet pipe which are communicated with the heating cavity in a fluid mode are arranged on the furnace body; the heating furnace cores are arranged in the heating cavity side by side; a fire row burner, and a flow guide unit. This civilian heating stove makes under the limited condition of furnace body space, through the length of extension airflow channel, has realized the extension of heat transfer time, through the area of increase airflow channel, has realized the increase of heat transfer area, utilizes the gasification burning to improve the combustion value of methyl alcohol moreover, has further improved heat utilization rate to simple structure, processing are convenient, are fit for using widely on a large scale.

Description

Civil heating stove

Technical Field

The utility model relates to a civil heating stove belongs to firing equipment technical field.

Background

Most rural families in the north use coal-fired heating stoves or electric heating stoves for heating in winter, although the coal-fired heating stoves are low in cost, the exhaust flue gas can seriously pollute the atmospheric environment, and the electric heating stoves are high in power consumption and high in use cost. In order to solve this problem, people are actively searching for a new heating method. The methanol is used as fuel and is more and more widely applied to various heating fields, but most methanol combustion furnaces in the current market adopt an atomization combustion mode, so that the problems of low combustion efficiency and insufficient combustion caused by local oxygen deficiency exist. And, receive furnace body inner space restriction, the length of heat transfer pipeline is shorter, and the route that hot-air flows is shorter, can not guarantee that the air is heated up fast, leads to heat utilization efficiency low, and heating efficiency is low.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a civil heating stove can effectively improve the combustion efficiency of methyl alcohol, and heat exchange efficiency is high moreover, and the energy consumption is low, has solved the problem that exists among the prior art.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:

a domestic heating stove comprising:

the heating furnace comprises a furnace body, wherein a heating cavity is limited in the furnace body, and a water inlet pipe and a water outlet pipe which are communicated with the heating cavity in a fluid mode are arranged on the furnace body;

the heating furnace cores are arranged in the heating cavity side by side, an air flow channel is arranged in each heating furnace core, each air flow channel is provided with an air inlet end and an air outlet end, and the air inlet ends and the air outlet ends penetrate through the heating cavity;

the fire grate burner is characterized in that a fire nozzle of the fire grate burner is in fluid communication with the air inlet end of the heating furnace core;

the flow guide unit is arranged on one side of the air outlet end and is used for guiding the fluid to pass through the heating furnace core.

In a preferred embodiment, the heating core has two oppositely disposed support walls which are outwardly bulged to form the gas flow channel in a folded-back configuration, with the edges of the two support walls being in sealing engagement.

In a preferred embodiment, the side walls of the airflow channel are outwardly arched to form stiffening ribs.

In a preferred embodiment, the reinforcing ribs are arranged in the circumferential direction of the air flow channel.

In a preferred embodiment, the cross-section of the gas flow channel is oblate.

In a preferred embodiment, the flow guide unit comprises an induced air channel and an induced draft fan arranged in the induced air channel, the induced air channel is in fluid communication with the airflow channel of the heating furnace core, and the induced air channel is provided with an air outlet.

In a preferred embodiment, the present application provides a domestic heating stove further comprising a wind collecting chamber disposed between the heating wick and the induced air passage, the wind collecting chamber being in fluid communication with the airflow passage of the heating wick and the induced air passage.

In a preferred embodiment, the present application provides a domestic heating stove further comprising a combustion chamber disposed between the fire grate burner and the heating wick, the combustion chamber being in fluid communication with the burner ports of the fire grate burner and the airflow passage of the heating wick.

In a preferred embodiment, a temperature sensor is further arranged in the heating cavity, and an electromagnetic valve is arranged on a supply pipeline of the fire row burner.

In a preferred embodiment, an explosion-proof valve is further arranged in the heating cavity.

The utility model adopts the above structure, have following advantage:

under the condition that the space of the furnace body is limited, the length of the airflow channel is prolonged, the heat exchange time is prolonged, the area of the airflow channel is increased, the heat exchange area is increased, the combustion value of methanol is improved by gasification combustion, the heat energy utilization rate is further improved, and the gasification furnace is simple in structure, convenient to process and suitable for large-scale popularization and use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of a heating furnace core according to the present invention;

fig. 3 is a schematic structural diagram of the airflow channel of the present invention.

In the figure, 1, a furnace body, 2, a fire grate burner, 3, a heating cavity, 4, a water inlet pipe, 5, a water outlet pipe, 6, a heating furnace core, 7, an air flow channel, 8, an air inlet end, 9, an air outlet end, 10, a reinforcing rib, 11, an induced air channel, 12, an induced draft fan, 13, an air outlet, 14, an air gathering cavity, 15, a combustion chamber, 16, a temperature sensor, 17, an electromagnetic valve, 18 and an explosion-proof valve.

The specific implementation mode is as follows:

in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.

Referring to fig. 1, the heating stove for civil use provided by the present embodiment comprises a stove body 1 and a fire grate burner 2, a heating chamber 3 is defined in the stove body 1, and a water inlet pipe 4 and a water outlet pipe 5 which are in fluid communication with the heating chamber 3 are arranged on the stove body 1. A plurality of heating furnace cores 6 are arranged in the heating cavity 3 side by side, an airflow channel 7 is arranged in each heating furnace core 6, each airflow channel 7 is provided with an air inlet end 8 and an air outlet end 9, the air inlet ends 8 and the air outlet ends 9 penetrate through the heating cavity 3, and the side walls of the air inlet ends 8 and the air outlet ends 9 are welded with the side walls of the heating cavity 3, so that the heating furnace cores 6 are installed; moreover, a gap is arranged between the edge of the heating furnace core 6 and the inner wall of the heating cavity 3 and is used as a channel for circulating water to flow.

The burner ports of the fire row burners 2 are in fluid communication with the inlet end 8 of the heating core 6. The burner is arranged to the fire that uses in this application is the current product on the market, and is specific, and the burner 2 is arranged to the fire includes electric heater and row type combustor, has a plurality of gas nozzle that set up side by side on the row type combustor, and electric heater is as preheating element. When the equipment is started, the electric heater is started firstly, and after the electric heater reaches a set temperature, the methanol is introduced. The methanol is heated by the electric heater and then gasified, the gasified methanol enters the exhaust type combustor, the gasified methanol is ignited after the ignition switch is switched on, then the electric heater is switched off, and the continuously introduced methanol is gasified firstly and then combusted due to the high temperature of combustion.

In addition, a flow guide unit is arranged at the air outlet end 9 of the heating furnace core 6 and used for guiding hot air to pass through the heating furnace core 6, so that the hot air exchanges heat with circulating water in the process of passing through the heating furnace core 6. Circulating water enters the heating cavity 3 from the water inlet pipe 4, exchanges heat with hot air in the heating furnace core 6 and is discharged from the water outlet pipe 5.

Referring to fig. 2, in a preferred embodiment, the heating core 6 has two oppositely disposed supporting walls, the edges of which are in sealing engagement, the supporting walls bulging outwardly to form the gas flow channel 7, the gas flow channel 7 being arranged in a reentrant configuration on the heating core 6. Compare the airflow channel in coil form, in the structure that this application provided, the heat-transfer face can be regarded as to not only the airflow channel of uplift, and the support wall of heating furnace core itself also can heat conduction, has increased heat transfer area, and the bulk strength of heating furnace core is high moreover, is difficult to damage.

In a preferred embodiment, the side wall of the airflow channel 7 is arched outwards to form a reinforcing rib 10, and the reinforcing rib 10 is arranged along the circumferential direction of the airflow channel 7, so that the heat exchange area is increased while the strength of the airflow channel 7 is improved.

Referring to fig. 3, in a preferred embodiment, the cross-section of the air flow channel 7 is flat and round, so that the hot air in the air flow channel 7 can be rapidly dissipated.

The hot air heating furnace core 6 is turned back and passes through, the residence time is long, the heat exchange area is large, the heat exchange efficiency is improved, and the smoke exhaust temperature is reduced.

Referring again to fig. 1, in a preferred embodiment, the flow guide unit comprises an induced draft channel 11 and an induced draft fan 12 disposed in the induced draft channel 11, the induced draft channel 11 is in fluid communication with the airflow channel 7 of the heating furnace core 6, and the induced draft channel 11 has an air outlet 13.

In a preferred embodiment, the civil heating stove provided by the application is further provided with the air gathering cavity 14 between the heating stove core 6 and the air inducing channel 11, the air gathering cavity 14 is in fluid communication with the air flow channel 7 of the heating stove core 6 and the air inducing channel 11, and after air in the air flow channel 7 is exhausted from the air outlet end 9, the air is firstly gathered in the air gathering cavity 14 and then is exhausted from the air gathering cavity 14, so that the air is exhausted smoothly.

In a preferred embodiment, the present application provides a domestic heating stove further provided with a combustion chamber 15 between the fire row burner 2 and the heating wick 6, the combustion chamber 15 being in fluid communication with the fire aperture of the fire row burner 2 and the airflow channel 7 of the heating wick 6.

In a preferred embodiment, the civil heating stove provided by the present application is also provided with a temperature sensor 16 inside the heating chamber 3, and with an electromagnetic valve 17 on the supply conduit of the fire row burner 2. In addition, an explosion-proof valve 18 is provided in the heating chamber 3.

After the temperature sensor 16 detects that the circulating water reaches the preheating temperature, a signal is sent to close the electromagnetic valve 17, and air inlet is stopped. When the water temperature is reduced, the methanol is introduced again for combustion heating, and automatic control is realized.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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 parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. A domestic heating stove, comprising:

2. A domestic heating stove according to claim 1, wherein the heating wick has two oppositely disposed support walls which rise outwardly to form said airflow passage, the airflow passage being of a reentrant configuration with the edges of the two support walls in sealing engagement.

3. A domestic heating stove according to claim 1, wherein the side walls of the airflow passage are outwardly arched to form strengthening ribs.

4. A domestic heating stove according to claim 3, wherein the reinforcing ribs are provided circumferentially of the airflow passage.

5. A domestic heating stove according to claim 1, wherein the cross-section of the airflow passage is of a flattened circular shape.

6. The domestic heating stove according to claim 1, wherein the air guiding unit comprises an air inducing channel and an induced draft fan arranged in the air inducing channel, the air inducing channel is in fluid communication with the air flow channel of the heating wick, and the air inducing channel has an air outlet.

7. A domestic heating stove according to claim 6, further comprising a wind collection chamber provided between the heating wick and the induced draft passage, the wind collection chamber being in fluid communication with the airflow passage of the heating wick and the induced draft passage.

8. A domestic heating stove according to claim 1, further comprising a combustion chamber provided between the fire grate burners and the heating wick, said combustion chamber being in fluid communication with the fire ports of the fire grate burners and the airflow passage of the heating wick.

9. A domestic heating stove according to claim 1, wherein a temperature sensor is provided in the heating chamber and a solenoid valve is provided in the supply conduit of the fire row burner.

10. A domestic heating stove according to claim 1, wherein an explosion-proof valve is also provided within the heating chamber.