CN215174930U - Horizontal steam boiler - Google Patents

Abstract

The utility model discloses a horizontal steam boiler, include: the furnace body is horizontally arranged, and the bottom of the furnace body is provided with a hot gas inlet; the air preheater is arranged above the furnace body and is communicated with the smoke outlet of the furnace body; the energy economizer is communicated with the air outlet end of the air preheater and is positioned above the furnace body; and the condenser is connected with the economizer. The utility model provides a have the technical problem of wasting of resources when horizontal boiler uses among the prior art.

Description

Horizontal steam boiler

Technical Field

The utility model relates to the technical field of boilers, especially, relate to a horizontal steam boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. In the combustion equipment part, fuel is combusted to continuously release heat, high-temperature flue gas generated by combustion transfers the heat to a heating surface of a boiler through heat propagation, and the temperature of the high-temperature flue gas gradually decreases. The flue gas burnt in the existing horizontal boiler is usually directly discharged or discharged after primary treatment, and is not fully utilized, thereby causing resource waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a horizontal steam boiler has solved among the prior art horizontal boiler and has had the technical problem of wasting of resources when using.

The embodiment of the application discloses horizontal steam boiler includes:

the furnace body is horizontally arranged, and the bottom of the furnace body is provided with a hot gas inlet;

the air preheater is arranged above the furnace body and is communicated with the smoke outlet of the furnace body;

the energy economizer is communicated with the air outlet end of the air preheater and is positioned above the furnace body;

the condenser is connected with the economizer.

The embodiment of the application fully cools the flue gas generated by the combustion of the furnace body through the air preheater, the energy saver and the condenser, and simultaneously, partial flue gas is cooled and then is sent into the furnace body for combustion, so that the energy is saved.

On the basis of the technical scheme, the embodiment of the application can be further improved as follows:

further, the air preheater includes:

the preheating pipeline is arranged on the furnace body, and one end of the preheating pipeline is communicated with the smoke outlet of the furnace body;

the preheating finned tubes are obliquely arranged inside the preheating pipeline at intervals;

the cold air advances the pipe, cold air advances pipe and preheats pipeline top intercommunication, adopts this step beneficial effect to carry out the primary cooling of flue gas through air heater.

Further, the economizer includes:

the energy-saving pipeline is communicated with the other end of the preheating pipeline, and the upper end of the energy-saving pipeline is provided with a circulating smoke outlet;

the energy-saving finned tubes are arranged inside the energy-saving pipeline at intervals;

and two ends of each energy-saving bent pipe are respectively connected with the end parts of the adjacent energy-saving finned tubes, and the energy-saving bent pipes and the energy-saving finned tubes are assembled to form an S-shaped trend.

Further, the furnace body also comprises a blower, and the blower is communicated with the cold air inlet pipe and the hot air inlet of the furnace body.

Further, the combustor in the furnace body is a low-nitrogen combustor.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. after the embodiment of the application processes the flue gas, the flue gas is reused, and resources can be saved.

2. According to the embodiment of the application, the flue gas is cooled through three steps, and the temperature of the flue gas is fully reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a horizontal steam boiler according to an embodiment of the present invention;

FIG. 2 is a left side view of a horizontal steam boiler according to an embodiment of the present invention;

FIG. 3 is a top view of an air preheater for a horizontal steam boiler in accordance with an embodiment of the present invention;

FIG. 4 is a top view of an economizer for a horizontal steam boiler according to an embodiment of the present invention;

reference numerals:

1-furnace body; 2-an air preheater; 3-an energy saver; 4-a condenser; 5-a blower;

101-hot gas inlet;

201-preheating a pipeline; 202-preheating finned tubes; 203-cold air inlet pipe;

301-energy saving pipeline; 302-circulating smoke outlets; 303-energy-saving finned tubes; 304-energy saving elbow.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "upper," "lower," "connected," "secured," "leading," "trailing," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 embodiment of the application provides a horizontal steam boiler, has the technical problem of wasting of resources when having solved among the prior art horizontal boiler and using.

The general idea of the embodiment of the application is as follows: utilizing the air preheater to utilize, recover and reuse the flue gas; the flue gas is cooled by the economizer and the condenser, so that the utilization rate of heat in the flue gas is improved; the embodiment of the application cools the flue gas for many times, and can save energy.

In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the detailed description.

Example (b):

as shown in fig. 1 to 4, the present application discloses a horizontal steam boiler, including:

the furnace comprises a furnace body 1, wherein the furnace body 1 is horizontally arranged, the bottom of the furnace body 1 is provided with a hot air inlet 101, the furnace body in the embodiment of the application is also internally provided with parts such as a burner and the like, and the hot air inlet 101 at the bottom of the furnace body is used for supplementing air and fuel for the burner;

the air preheater 2 is arranged above the furnace body 1, the air preheater 2 is communicated with a smoke outlet of the furnace body 1, and the air preheater 2 is used for cooling the smoke and then utilizing the cooled smoke;

the economizer 3 is communicated with the air outlet end of the air preheater 2, the economizer 3 is positioned above the furnace body 1, and the economizer 3 in the embodiment of the application is used for further processing the cooled flue gas and further utilizing the heat energy of the flue gas;

and the condenser 4 is connected with the economizer 3, and the further use of the flue gas can be realized through the condenser 4.

Wherein the air preheater 2 includes:

the preheating pipeline 201 is arranged on the furnace body, and one end of the preheating pipeline 201 is communicated with the smoke outlet of the furnace body 1;

the preheating finned tubes 202 are obliquely arranged inside the preheating pipeline 301 at intervals, and cold fluid and hot fluid exchange heat outside the tubes in the embodiment of the application, so that the preheating finned tubes 202 are convenient to clean and maintain;

a cold air inlet pipe 203, wherein the cold air inlet pipe 203 is communicated with the upper part of the preheating pipeline 201; preheating pipe 201 is used for cooling the flue gas in this application embodiment, can mix the back with the fuel after the flue gas cooling, send into the combustor in.

Wherein the economizer 3 includes:

the energy-saving pipeline 301 is communicated with the other end of the preheating pipeline 201, and a circulating smoke outlet 302 is formed in the upper end of the energy-saving pipeline 301;

a plurality of energy-saving finned tubes 303, wherein the energy-saving finned tubes 303 are installed inside the energy-saving pipeline 301 at intervals;

two ends of each energy-saving bent pipe 304 are respectively connected with the end parts of the adjacent energy-saving finned tubes 303, and the energy-saving bent pipes 304 and the energy-saving finned tubes 303 are assembled to form an S-shaped trend; according to the embodiment of the application, the finned tube 303 is communicated with the energy-saving bent tube 304, and the energy-saving bent tube 304 is positioned on the outer side of the energy-saving pipeline 301, so that the cooling effect can be improved.

Wherein, this application embodiment still includes air-blower 5, air-blower 5 advances the hot gas import intercommunication of pipe 203, furnace body 1 with cold air, and this application embodiment additionally increases air-blower 5, and the preheating pipe 201 is with the part flue gas after the cooling, send into air-blower 5 in, mix the back with part fuel, send into furnace body 1, burn, can fully energy saving like this.

Specifically, in the embodiment of the application, the burner inside the furnace body is a low-nitrogen burner.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (5)

1. A horizontal steam boiler, comprising:

the furnace body is horizontally arranged, and the bottom of the furnace body is provided with a hot gas inlet;

the air preheater is arranged above the furnace body and is communicated with the smoke outlet of the furnace body;

the energy economizer is communicated with the air outlet end of the air preheater and is positioned above the furnace body;

the condenser is connected with the economizer.

2. A horizontal steam boiler according to claim 1, wherein the air preheater comprises:

the preheating pipeline is arranged on the furnace body, and one end of the preheating pipeline is communicated with the smoke outlet of the furnace body;

the preheating finned tubes are obliquely arranged inside the preheating pipeline at intervals;

and the cold air inlet pipe is communicated with the upper part of the preheating pipeline.

3. A horizontal steam boiler according to claim 2, wherein the economizer comprises:

the energy-saving pipeline is communicated with the other end of the preheating pipeline, and the upper end of the energy-saving pipeline is provided with a circulating smoke outlet;

the energy-saving finned tubes are arranged inside the energy-saving pipeline at intervals;

and two ends of each energy-saving bent pipe are respectively connected with the end parts of the adjacent energy-saving finned tubes, and the energy-saving bent pipes and the energy-saving finned tubes are assembled to form an S-shaped trend.

4. A horizontal steam boiler according to claim 3, further comprising a blower communicating with the cold gas inlet pipe and the hot gas inlet of the boiler body.

5. A horizontal steam boiler according to claim 4, wherein the burners inside the boiler body are low nitrogen burners.

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