CN208269186U - A kind of heated by natural gas system - Google Patents

Abstract

The utility model proposes a kind of heated by natural gas system, solve the problems, such as heating equipment in the prior art because structure limitation caused by heat losses rate it is big；Ground is being used including the setting of heating group, and heating group bottom is provided with cooling group；First pipe one end is connect with heating group；Second pipe one end is connect with heating group；Several third pipelines one end is connected to heating group；And second pipe is disposed adjacent with several third pipelines；4th pipeline one end is connected to cooling group, and the other end is connected to water pump；5th pipeline one end is connected to cold group, and is threaded through in second pipe；The utility model proposes heated by natural gas system flue gas and cooling water are made full use of, under the premise of avoiding heat losses, so that the utilization rate of fuel in heating group heating process increases, avoid the waste of resource.

Description

A kind of heated by natural gas system

Technical field

The utility model relates to natural gas fields, particularly relate to a kind of heated by natural gas system.

Background technique

Natural gas is contained in underground porous gap rock stratum, including casing-head gas, reservoir gas, coal bed gas, gas of mud volcano and biology Gas etc. is generated, is also had on a small quantity for coal seam.It is high-grade fuel and industrial chemicals；

It is more and more as the substance generated after the serious and combustion of natural gas of energy shortage has fewer environmental impacts Heating equipment there is traditional coal to be changed into natural gas；Heating equipment (based on heating furnace) in the prior art, due to The limitation of its structure cannot utilize heat well, cause during heating that heat losses rate is larger, cause the wave of resource Take.

Utility model content

The utility model proposes a kind of heated by natural gas system, solve in the prior art heating equipment because of the limitation of structure The problem for causing heat losses rate big.

The technical solution of the utility model is achieved in that

A kind of heated by natural gas system, comprising:

For obtaining the heating group heated after natural gas and air, setting is using ground, and sets in heating group bottom It is equipped with cooling group；Wherein,

Heating group includes the preheating section being sequentially communicated, bringing-up section and soaking zone, and is evenly equipped in bringing-up section and soaking zone Several burners；

For natural gas to be transmitted to the first pipe of heating group, one end is connect with a certain burner of several burners；For Air is transmitted to the second pipe of heating group, one end is connect with a certain burner of several burners；

For by several third pipelines of the flue gas discharge after the burning of heating group, one end to be connected to heating group；And second manages Road is disposed adjacent with several third pipelines；

For cooling water to be transmitted to the 4th pipeline of cooling group, one end is connected to cooling group, and the other end is connected to water pump；

For that will cool down the 5th pipeline of the water discharge in group after heating, one end is connected to cooling group, and is threaded through second In pipeline.

As further technical solution, further includes:

For avoiding the heat preservation group of the heat losses of second pipe and third pipeline, it is arranged in second pipe and third pipeline Outer surface.

As further technical solution, heat preservation group includes:

Insulating layer is arranged in second pipe and third pipeline external surface；

Door is operated, is arranged on insulating layer.

As further technical solution, heating group includes the preheating section being sequentially communicated, bringing-up section and soaking zone, and is being added Several burners are evenly equipped on hot arc and soaking zone, first pipe and second pipe are connected to burner.

As further technical solution, cooling group includes several lateral furnace ribbed tubes and several longitudinal furnace ribbed tubes, several cross It is connected to respectively to furnace ribbed tube and several longitudinal furnace ribbed tube connections and with third pipeline and the 4th pipeline.

Preferably, third pipeline is two, and second pipe is arranged between two third pipelines.

Technical solutions of the utility model are placed in the third pipeline of smoke evacuation by the second pipe for injecting heating group air Between, the air in second pipe is heated by the fume afterheat in third pipeline, and the 5th pipeline is placed in second It in pipeline, while realizing using the hot water to cool down to heating group while air is heated, so that the heating efficiency of air mentions Height has been provided with certain temperature when air supplementary biography is sent to heating group in this way, in this way, passing through the abundant benefit of flue gas and cooling water With under the premise of avoiding heat losses, so that the utilization rate increase of the fuel in heating group heating process, avoids the wave of resource Take.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of heating group in a kind of heated by natural gas system of the utility model；

Fig. 2 is the structural schematic diagram of second pipe, third pipeline and the 5th pipeline；

Fig. 3 is the structural schematic diagram of second pipe, third pipeline, the 5th pipeline and heat preservation group；

Fig. 4 is the structural schematic diagram of cooling group.

In figure:

1, heating group；11, preheating section；12, bringing-up section；13, soaking zone；14, burner；2, cooling group；21, lateral furnace muscle Pipe；22, longitudinal furnace ribbed tube；3, first pipe；4, second pipe；5, third pipeline；6, the 4th pipeline；7, the 5th pipeline；8, it protects Warm group；81, insulating layer；82, door is operated；9, water pump.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs 1-4, the utility model proposes a kind of heated by natural gas system, comprising:

The setting of heating group 1 is being provided with cooling group 2 using ground, and in 1 bottom of heating group；It is obtained naturally by heating group 1 It is heated after gas and air；Wherein, heating group 1 includes preheating section 11, bringing-up section 12 and the soaking zone 13 being sequentially communicated, and Several burners 14 are evenly equipped on bringing-up section 12 and soaking zone 13, first pipe 3 and second pipe 4 are connected to burner 14；Specifically The quantity of first pipe 3 adjusts according to the actual situation, and the utility model no longer further limits；

3 one end of first pipe is connect with heating group 1, and natural gas is transmitted to heating group 1 by first pipe 3；Specifically Connect with some in several burners 14, multiple first pipes 3 can be set as needed certainly, respectively from different burners 14 connections, to guarantee the abundance for the amount of natural gas being transmitted in heating group 1；

4 one end of second pipe is connect with heating group 1, and air is transmitted to heating group 1 by second pipe 4；Specific Two pipelines 4 are connect with certain burners 14 in several burners 14, to there are enough air to enter when guaranteeing matched gas burning, The quantity of specific second pipe 4 adjusts according to the actual situation, and the utility model no longer further limits；

Several 5 one end of third pipeline are connected to heating group 1；And second pipe 4 is disposed adjacent with several third pipelines 5, is led to It crosses the flue gas after third pipeline 5 burns heating group 1 to be discharged, in the utility model, it is preferred that third pipeline 5 is two, second Pipeline 4 is arranged between two third pipelines 5；The waste heat in heating group 1 is had by the flue gas that third pipeline 5 is discharged in this way, During discharge, since second pipe 4 is disposed adjacent with third pipeline 5, so that air and third in second pipe 4 Heat exchange is realized between pipeline 5, the air in second pipe 4 is heated, and then enters the air before heating group 1 The heating cycle to air is reduced when being heated, then mixing with natural gas；

4th pipeline, 6 one end is connected to cooling group 2, and the other end is connected to water pump 9；Cooling water is passed by the 4th pipeline 6 It is sent to cooling group 2；As shown in figure 4,2 pairs of heating groups 1 of cooling group cool down, that is, pass through the cooling water in cooling group 2 and heating Group 1 carries out heat exchange, is taken away the heat of heating group 1 by cooling water, and the water after heat exchange has certain temperature；

In the utility model, cooling group 2 includes several lateral furnace ribbed tubes 21 and several longitudinal furnace ribbed tubes 22, several transverse direction furnaces Muscle pipe 21 and several longitudinal furnace ribbed tubes 22 are connected to and are connected to respectively with third pipeline 5 and the 4th pipeline 6；

5th pipeline, 7 one end is connected to cooling group 2, and is threaded through in second pipe 4；Group will be cooled down by the 5th pipeline 7 Water discharge in 2 after heating；Specific 5th pipeline 7 is placed in second pipe 4, the connection to guarantee sealing, in the two one end Place is provided with sealing ring, and the sealing ring periphery is provided with air inlet fan, so that air enters second under the action of air inlet fan Pipeline 4；The 5th pipeline 7 of hungry junction of the other end passes through second pipe 4 and connect with cooling group 2, and is arranged in the position passed through There is sealing ring to be sealed；And air is carried out with the cooling water with heat in the 5th pipeline 7 when entering second pipe 4 Heat exchange is carried out while heat exchange with the flue gas in third pipeline 5, and then improves the efficiency of air heating in second pipe 4；

Certainly it preferably to be avoided causing heat losses during transmission, in the utility model, preferably sets It is equipped with heat preservation group 8, which is arranged in 5 outer surface of second pipe 4 and third pipeline；Second pipe is avoided by heat preservation group 8 4 and third pipeline 5 heat losses, wherein heat preservation group 8 includes insulating layer 81 and operation door 82, and the insulating layer 81 setting is the 5 outer surface of two pipelines 4 and third pipeline；Door 82 is operated to be arranged on insulating layer 81；As shown in figure 3, when needing to second pipe 4 Or third pipeline 5 is when checking, can observe second pipe 4 and the case where third pipeline 5 with opening operation door 82, repair or Other operations, improve whole operability；In addition, insulating layer 81 can be heat-preservation layer in the utility model.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (5)

1. a kind of heated by natural gas system characterized by comprising

For obtaining the heating group (1) heated after natural gas and air, setting is using ground, and in the heating group (1) Bottom is provided with cooling group (2)；Wherein,

The heating group (1) includes the preheating section (11) being sequentially communicated, bringing-up section (12) and soaking zone (13), and in the heating Several burners (14) are evenly equipped on section (12) and the soaking zone (13)；

For natural gas to be transmitted to the first pipe (3) of the heating group (1), one end is a certain with several burners (14) Burner (14) connection；For air to be transmitted to the second pipe (4) of the heating group (1), one end and several burnings A certain burner (14) connection of mouth (14)；

Several third pipelines (5) for the flue gas after the heating group (1) burning to be discharged, one end and the heating group (1) Connection；And the second pipe (4) is disposed adjacent with several third pipelines (5)；

For cooling water to be transmitted to the 4th pipeline (6) of cooling group (2), one end is connected to cooling group (2), another End is connected to water pump (9)；

The 5th pipeline (7) for the water after heating in cooling group (2) to be discharged, one end are connected to cooling group (2), And it is threaded through in the second pipe (4).

2. heated by natural gas system as described in claim 1, which is characterized in that further include:

For avoiding the heat preservation group (8) of the heat losses of the second pipe (4) and the third pipeline (5), it is arranged described Second pipe (4) and the third pipeline (5) outer surface.

3. heated by natural gas system as claimed in claim 2, which is characterized in that the heat preservation group (8) includes:

Insulating layer (81) is arranged in the second pipe (4) and the third pipeline (5) outer surface；

It operates door (82), is arranged on the insulating layer (81).

4. heated by natural gas system as described in claim 1, which is characterized in that cooling group (2) include several lateral furnaces Muscle pipe (21) and several longitudinal furnace ribbed tubes (22), several lateral furnace ribbed tubes (21) and several longitudinal furnace ribbed tubes (22) are even Lead to and is connected to respectively with third pipeline (5) and the 4th pipeline (6).

5. heated by natural gas system as described in claim 1, which is characterized in that the third pipeline (5) is two, described the Two pipelines (4) are arranged between two third pipelines (5).