CN211694831U - Finned tube type gas steam generator - Google Patents

Abstract

The utility model relates to the technical field of steam generators, in particular to a finned tube type gas steam generator, wherein the lower surface of an upper sealing plate is fixedly connected with an upper cavity, the inner cavity of the upper cavity is communicated with an access port, the upper surface of a lower sealing plate is fixedly connected with a lower disk body, a fifth opening is arranged between the upper surface and the lower surface of the lower disk body, the bottom end of the fifth opening is butted with the top end of a discharge port, an annular cavity is arranged in the lower disk body, a connecting pipe is connected between the edge of the lower surface of the upper cavity and the edge of the upper surface of the lower disk body, a fire tube body comprises an input tube and an output tube, the input, the top end of the output pipe is communicated with the top pipe of the input pipe respectively, the bottom end of the input pipe is communicated with the annular cavity, the bottom end of the output pipe is butted with the top end of the fifth opening respectively, a connecting plate is connected between the input pipe and the output pipe, and a connecting plate is also connected between the output pipes; the heat exchange area is increased, and the utilization rate of heat generated in the combustion chamber is greatly improved.

Description

Finned tube type gas steam generator

Technical Field

The utility model relates to a steam generator technical field specifically is finned tube formula gas steam generator.

Background

Steam generators are mechanical devices that use the heat energy of a fuel or other energy source to heat water into hot water or steam. Among them, the gas type steam generator is most commonly used. In a traditional finned tube type gas steam generator, a fire tube is generally made of a stainless steel tube, and two ends of the stainless steel tube are respectively welded with an upper sealing plate and a lower sealing plate of a combustion chamber. The whole inner container has small heat exchange surface and slow heat transfer, and can not fully utilize the heat generated in the combustion chamber.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a finned tube formula gas steam generator for it is little to solve heat transfer area in the present gas steam generator, can not make full use of the interior thermal problem that produces of combustion chamber.

In order to achieve the above object, the utility model provides a following technical scheme: the finned tube type gas steam generator comprises an upper sealing plate and a lower sealing plate, wherein an access port is formed in the surface of the upper sealing plate, a discharge port is formed in the surface of the lower sealing plate, a fire tube body is arranged between the upper sealing plate and the lower sealing plate, an upper cavity is fixedly connected to the lower surface of the upper sealing plate, the upper cavity is of a disc shell structure, the inner cavity of the upper cavity is communicated with the access port, a lower disk body is fixedly connected to the upper surface of the lower sealing plate, a fifth opening is formed between the upper surface and the lower surface of the lower disk body, the bottom end of the fifth opening is in butt joint with the top end of the discharge port, an annular cavity is formed in the lower disk body close to the edge, a connecting pipe is connected between the edge of the lower surface of the upper cavity and the edge of the upper surface of the lower disk body, two ends of the connecting pipe are respectively communicated with the inner cavity and the annular cavity of the upper cavity, the fire tube body comprises an input tube and at least two output tubes, the input tube is inverted L-shaped, the top ends of the output tubes are respectively communicated with the top tube of the input tube, the bottom end of the input tube is communicated with the annular cavity, the bottom ends of the output tubes are respectively butted with the top ends of the fifth holes, a connecting plate is connected between the input tube and the output tubes, and a connecting plate is also connected between the output tubes.

Preferably, the upper surface of the upper cavity is provided with a first opening, the first opening and the access port are in one-to-one correspondence, the edge of the lower surface of the upper cavity is provided with a second opening, and the top end of the connecting pipe is in butt joint with the second opening.

Preferably, a third opening and a fourth opening are formed in the upper surface of the lower disc body corresponding to the annular cavity, the third opening is in butt joint with the bottom end of the connecting pipe, and the fourth opening is in butt joint with the bottom end of the input pipe.

Preferably, the fire tube body further comprises fins, and the fins are fixedly connected to the outer side wall of the input tube and the inner side wall of the output tube.

Preferably, a fin is connected between the top end of the input pipe and the lower surface of the upper cavity.

Preferably, the fire tube bodies are distributed in an annular array mode by taking a central connecting line of the upper cavity and the lower disc body as a center.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a steam generator which preheats the input water flow through an upper cavity, a connecting pipe and a lower disk body and then is further heated through an input pipe and an output pipe to form steam; the connecting plates are connected between the input pipe and the output pipe and between the input pipe and the input pipe, so that the heat exchange area is increased, and the utilization rate of heat generated in the combustion chamber is greatly improved.

Drawings

Fig. 1 is a schematic overall front view structure diagram of the present invention;

fig. 2 is a schematic view of the overall overhead structure of the present invention;

fig. 3 is a schematic view of the overall structure of the present invention;

FIG. 4 is a schematic cross-sectional view A-A of FIG. 1 according to the present invention;

fig. 5 is a schematic view of the bottom structure of the upper chamber of the present invention;

fig. 6 is a schematic top view of the lower tray body of the present invention;

fig. 7 is a schematic view of the fire tube of the present invention.

In the figure: 1-upper sealing plate; 11-an access port; 2-lower sealing plate; 21-a discharge port; 3-fire tube body; 31-an input tube; 32-an output pipe; 33-a connecting plate; 34-a fin; 4-upper cavity; 41-a first opening; 42-a second opening; 5-a lower tray body; 51-an annular cavity; 52-third opening; 53-fourth opening; 54-fifth opening; 6-connecting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a finned tube type gas steam generator, which comprises an upper sealing plate 1 and a lower sealing plate 2, wherein the surface of the upper sealing plate 1 is provided with an access port 11, the surface of the lower sealing plate 2 is provided with a discharge port 21, a flame tube body 3 is arranged between the upper sealing plate 1 and the lower sealing plate 2, the lower surface of the upper sealing plate 1 is fixedly connected with an upper cavity 4, the upper cavity 4 is a disc shell structure, the inner cavity of the upper cavity 4 is communicated with the access port 11, the upper surface of the lower sealing plate 2 is fixedly connected with a lower cavity body 5, a fifth opening 54 is arranged between the upper surface and the lower surface of the lower cavity body 5, the bottom end of the fifth opening 54 is butted with the top end of the discharge port 21, an annular cavity 51 is arranged in the lower cavity body 5 near the edge, a connecting tube 6 is connected between the edge of the lower surface of the upper cavity 4 and the edge of the upper surface, the top and the bottom of the fire tube body 3 are respectively connected with the lower surface of the upper cavity 4 and the upper surface of the lower disc 5, the fire tube body 3 comprises an input tube 31 and an output tube 32, the input tube 31 is in an inverted L shape, the output tube 32 is at least two, the top of the output tube 32 is respectively communicated with the top transverse tube of the input tube 31, the bottom of the input tube 31 is communicated with the annular cavity 51, the bottom of the output tube 32 is respectively butted with the top of the fifth opening 54, a connecting plate 33 is connected between the input tube 31 and the output tube 32, and a connecting plate 33 is also connected between the output tubes 32.

In conclusion, when the burner is used, water flow enters the inner cavity of the upper cavity 4 from the inlet 11, the water flow in the inner cavity of the upper cavity 4 enters the annular cavity 51 through the connecting pipe 6, and the water flow in the upper cavity 4, the connecting pipe 6 and the annular cavity 51 is preheated by heat generated in a combustion chamber; the water flow is then discharged from the annular cavity 51 through the inlet pipe 31, the outlet pipe 32, the fifth opening 54 and the outlet 21, and the water flow in the inlet pipe 31 and the outlet pipe 32 is further heated to form steam.

In this embodiment, first trompil 41 has been seted up to the upper surface of last cavity 4, and first trompil 41 is the one-to-one with inserting mouthful 11, and second trompil 42 has been seted up to the edge of going up cavity 4 lower surface, and the top and the second trompil 42 butt joint of connecting pipe 6 for during the use, rivers get into the inner chamber of cavity 4 through first trompil 41 by inserting mouthful 11, get into connecting pipe 6 through second trompil 42 again.

In this embodiment, a third opening 52 and a fourth opening 53 are formed in the upper surface of the lower disc 5 corresponding to the annular cavity 51, the third opening 52 is in butt joint with the bottom end of the connecting pipe 6, and the fourth opening 53 is in butt joint with the bottom end of the input pipe 31; so that, in use, water in the connecting pipe 6 flows through the third opening 52 into the annular cavity 51 and then through the fourth opening 53 into the input pipe 31.

In this embodiment, the fire tube body 3 further includes fins 34, and the fins 34 are fixedly connected to the outer side wall of the input tube 31 and the inner side wall of the output tube 32; when the steam generator is used, the heat exchange area can be further increased through the fins 34, and the steam generation efficiency is improved.

In this embodiment, a fin 34 is connected between the top end of the input tube 31 and the lower surface of the upper chamber 4; when the steam generator is used, the heat exchange area can be further increased through the fins 34, and the steam generation efficiency is improved.

In the embodiment, the fire tube bodies 3 are distributed in an annular array mode by taking a central connecting line of the upper cavity 4 and the lower disc body as a center; so that the fire tube body 3 can be uniformly heated in use.

The working principle is as follows: when the burner is used, water flow enters the inner cavity of the upper cavity 4 from the inlet 11 through the first opening 41 and then enters the connecting pipe 6 through the second opening 42, the water flow enters the annular cavity 51 through the connecting pipe 6 and the third opening 52, and the water flow in the upper cavity 4, the connecting pipe 6 and the annular cavity 51 is preheated by heat generated in a combustion chamber; then the water flow in the annular cavity 51 is discharged from the fourth opening 53 through the inlet pipe 31, the outlet pipe 32, the fifth opening 54 and the outlet 21 in sequence, and the water flow in the inlet pipe 31 and the outlet pipe 32 is further heated to form steam.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Finned tube formula gas steam generator, including last shrouding (1) and lower shrouding (2), go up shrouding (1) surface and seted up access mouth (11), discharge port (21) have been seted up on shrouding (2) surface down, it is provided with fire body (3) its characterized in that to go up between shrouding (1) and lower shrouding (2): the lower surface of the upper sealing plate (1) is fixedly connected with an upper cavity (4), the upper cavity (4) is of a disc shell structure, an inner cavity of the upper cavity (4) is communicated with the access port (11), the upper surface of the lower sealing plate (2) is fixedly connected with a lower disc body (5), a fifth open pore (54) is formed between the upper surface and the lower surface of the lower disc body (5), the bottom end of the fifth open pore (54) is in butt joint with the top end of the discharge port (21), an annular cavity (51) is formed in the lower disc body (5) close to the edge, a connecting pipe (6) is connected between the edge of the lower surface of the upper cavity (4) and the edge of the upper surface of the lower disc body (5), two ends of the connecting pipe (6) are respectively communicated with the inner cavity of the upper cavity (4) and the annular cavity (51), and the top end and the bottom end of the fire pipe body (3) are respectively fixedly connected with the lower surface of the upper cavity (4, the utility model discloses a fire tube body, including fire tube body (3) and output tube (32), input tube (31) are the shape of falling L, output tube (32) have two at least, and the top of output tube (32) respectively with the top pipe intercommunication of input tube (31), the bottom of input tube (31) with annular cavity (51) intercommunication, the bottom of output tube (32) respectively with the top butt joint of fifth trompil (54), be connected with connecting plate (33) between input tube (31) and the output tube (32), also be connected with connecting plate (33) between output tube (32).

2. The finned tube gas steam generator of claim 1 wherein: go up the upper surface of cavity (4) and seted up first trompil (41), first trompil (41) with it is one-to-one correspondence to insert mouth (11), go up the edge of cavity (4) lower surface and seted up second trompil (42), the top of connecting pipe (6) with second trompil (42) butt joint.

3. The finned tube gas steam generator of claim 1 wherein: a third opening (52) and a fourth opening (53) are formed in the upper surface of the lower disc body (5) corresponding to the annular cavity (51), the third opening (52) is in butt joint with the bottom end of the connecting pipe (6), and the fourth opening (53) is in butt joint with the bottom end of the input pipe (31).

4. The finned tube gas steam generator of claim 1 wherein: the fire tube body (3) further comprises fins (34), and the fins (34) are fixedly connected to the outer side wall of the input tube (31) and the inner side wall of the output tube (32).

5. The finned tube gas steam generator of claim 4 wherein: and a fin (34) is connected between the top end of the input pipe (31) and the lower surface of the upper cavity (4).

6. The finned tube gas steam generator of any of claims 1 to 5, wherein: the fire tube bodies (3) are distributed in an annular array mode by taking a central connecting line of the upper cavity body (4) and the lower disc body as a center.

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