CN210050990U

CN210050990U - Gas boiler

Info

Publication number: CN210050990U
Application number: CN201920532105.XU
Authority: CN
Inventors: 于波
Original assignee: Jia Shengbo Huan Neng Science And Technology Ltd In Shanxi
Current assignee: Jia Shengbo Huan Neng Science And Technology Ltd In Shanxi
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-02-11
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a gas boiler, which greatly improves the heating power and the heating efficiency; the technical scheme is as follows: a gas boiler comprises a boiler body, wherein a metal fiber combustor is vertically arranged in the middle of the boiler body, an igniter is arranged at the upper end of the metal fiber combustor, the upper end of the metal fiber combustor is communicated with a gas inlet arranged on the outer side of the boiler body through a pipeline, a boiler smoke exhaust port is arranged on the side wall of the boiler body at the lower end of the metal fiber combustor, a boiler blow-off port is arranged at the bottom of the boiler body and is positioned below the metal fiber combustor, a water inlet and a water outlet are formed in the side wall of the boiler body, a plurality of finned tubes are annularly arranged on the outer side of the metal fiber combustor, the finned tubes in the middle are communicated end to end, and the finned tubes at the end parts are respectively communicated with the water inlet and the water outlet; the utility model discloses but wide application in gas boiler field.

Description

Gas boiler

Technical Field

The utility model relates to a gas boiler belongs to gas boiler technical field.

Background

With the steady propulsion of changing coal into gas, the traditional coal-fired boiler is gradually eliminated, more and more gas-fired boilers appear, but the problems of low power and low heat efficiency generally exist in the existing gas-fired boilers.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art exists not enough, provides a gas boiler, and heating power and heating efficiency all improve greatly.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a gas boiler, includes boiler body, the vertical metal fiber combustor that is provided with in boiler body middle part, the upper end of metal fiber combustor is provided with some firearm, just the upper end of metal fiber combustor is passed through pipeline and the gas import intercommunication of setting in the boiler body outside, is located be provided with the boiler exhaust port on the boiler body lateral wall of metal fiber combustor lower extreme, boiler body bottom is provided with the boiler drain, the boiler drain is located metal fiber combustor below, the boiler body lateral wall is provided with water inlet and delivery port, the outside annular of metal fiber combustor is provided with a plurality of finned tubes, and is located the centre the equal end to end intercommunication of finned tube, and be located the tip the finned tube communicates with water inlet and delivery port respectively.

And a variable frequency fan is arranged on the pipeline between the igniter and the fuel gas inlet.

And a Venturi valve body is arranged on a pipeline between the variable frequency fan and the fuel gas inlet.

A header is arranged between the water outlet and the finned tube, and a liquid level electrode and a temperature control switch are arranged between the header and the water outlet.

Compared with the prior art, the utility model beneficial effect who has is: the utility model discloses in provide stable gas of flow through the venturi valve body, the air input is adjusted according to the gas combustion condition to the variable frequency fan, and the finned tube encircles the metal fiber combustor and distributes, the heat that produces when being used for furthest's absorption gas combustion to with the water of absorptive heat transfer in the finned tube, the water that will heat the settlement temperature at last is discharged from the delivery port, the utility model discloses the heat that produces during the absorption gas combustion of ability furthest to absorbed by the finned tube, with the hot-water heating in the finned tube, not only combustion efficiency is high, and under the heat loss, gather thermal energy through the collection case, reach the powerful purpose of increase.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention, that is, a schematic structural diagram of a 1 ton premixing boiler.

Fig. 2 is the structure schematic diagram of the medium 1MW fully premixed boiler of the present invention.

In the figure: 1 is a boiler body, 2 is a metal fiber burner, 3 is an igniter, 4 is a fuel gas inlet, 5 is a boiler smoke outlet, 6 is a boiler sewage outlet, 7 is a water outlet, 8 is a finned tube, 9 is a variable frequency fan, 10 is a Venturi valve body, 11 is a header, 12 is a liquid level electrode, 13 is a temperature control switch, and 14 is a water inlet.

Detailed Description

As shown in figures 1 and 2, the utility model relates to a gas boiler, which comprises a boiler body 1, a metal fiber burner 2 is vertically arranged in the middle of the boiler body 1, an igniter 3 is arranged at the upper end of the metal fiber burner 2, the upper end of the metal fiber burner 2 is communicated with a fuel gas inlet 4 arranged outside the boiler body 1 through a pipeline, a boiler smoke discharging port 5 is arranged on the side wall of the boiler body 1 at the lower end of the metal fiber burner 2, the boiler body 1 is provided with a boiler blow-off port 6 at the bottom, the boiler blow-off port 6 is positioned below the metal fiber burner 2, the side wall of the boiler body 1 is provided with a water inlet 14 and a water outlet 7, the outer side of the metal fiber burner 2 is annularly provided with a plurality of finned tubes 8, and the finned tubes 8 in the middle are all communicated end to end, and the finned tubes 8 at the end parts are respectively communicated with the water inlet 14 and the water outlet 7.

And a variable frequency fan 9 is arranged on a pipeline between the igniter 3 and the fuel gas inlet 4.

And a Venturi valve body 10 is arranged on a pipeline between the variable frequency fan 9 and the fuel gas inlet 4.

A header 11 is arranged between the water outlet 7 and the finned tube 8, and a liquid level electrode 12 and a temperature control switch 13 are arranged between the header 11 and the water outlet 7.

The utility model discloses in provide flow stability's gas through venturi valve body 10, the air input is adjusted according to the gas combustion condition to frequency conversion fan 9, and finned tube 8 encircles 2 distributions of metal fiber combustor for the heat that produces when furthest's absorption gas combustion, and with the water of absorptive heat transfer for in the finned tube 8, the water that will heat the settlement temperature at last is discharged from delivery port 7.

The utility model discloses the heat that produces when absorption gas combustion that can furthest to absorbed by finned tube 8, with the hot-water heating in the finned tube 8, not only combustion efficiency is high, and under the heat loss, gather heat through collection case 11 moreover, reach the purpose that increases power.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A gas boiler is characterized by comprising a boiler body (1), wherein a metal fiber burner (2) is vertically arranged in the middle of the boiler body (1), an igniter (3) is arranged at the upper end of the metal fiber burner (2), the upper end of the metal fiber burner (2) is communicated with a gas inlet (4) arranged outside the boiler body (1) through a pipeline, a boiler smoke exhaust port (5) is arranged on the side wall of the boiler body (1) at the lower end of the metal fiber burner (2), a boiler blow-off port (6) is arranged at the bottom of the boiler body (1), the boiler blow-off port (6) is positioned below the metal fiber burner (2), a water inlet (14) and a water outlet (7) are arranged on the side wall of the boiler body (1), a plurality of finned tubes (8) are annularly arranged on the outer side of the metal fiber burner (2), and the finned tubes (8) in the middle are all communicated end to end, and the finned tubes (8) at the end parts are respectively communicated with the water inlet (14) and the water outlet (7).

2. A gas boiler according to claim 1, characterized in that a variable frequency fan (9) is arranged in the conduit between the igniter (3) and the gas inlet (4).

3. A boiler as claimed in claim 2, characterized in that a venturi valve (10) is arranged in the conduit between the variable frequency fan (9) and the gas inlet (4).

4. A gas boiler according to claim 3, characterized in that a header (11) is arranged between the water outlet (7) and the finned tube (8), and a level electrode (12) and a temperature-controlled switch (13) are arranged between the header (11) and the water outlet (7).