Steam generator with overheating exhaust function

Abstract

The utility model relates to the technical field of steam generators, in particular to a steam generator with overheating exhaust, which comprises a steam generator body, a heating cavity is arranged in the steam generator body, and a steam coil is arranged in the heating cavity. Wherein a first connecting air pipe, a second connecting air pipe and an overheating exhaust pipe are arranged at the top of the steam generator body; the overheating exhaust pipe is communicated with the heating cavity; the first connecting gas pipe is connected with the first gas distribution mechanism, and the first gas distribution mechanism is communicated with the heating cavity; the first connecting gas pipe is connected with the first gas distribution mechanism, the second connecting gas pipe is connected with the second gas distribution mechanism, the second gas distribution mechanism is communicated with the heating cavity, and the overheating exhaust pipe is arranged on the steam generator body, so that overheating smoke in the heating cavity can be exhausted from the overheating exhaust pipe instead of being exhausted from the first connecting gas pipe or the second connecting gas pipe; and the whole exhaust period is shortened, so that the problem of overheating can be quickly solved.

Description

Technical Field

[0001] The utility model relates to the technical field of steam generators, in particular to a steam generator with superheated exhaust. Background Art

[0002] Most traditional steam generators introduce high-temperature flue gas into the steam transmitter. At the same time, since the steam generator is equipped with pipes such as coils that can increase the contact area with the high-temperature flue gas, and liquid is introduced into the pipes, the high-temperature flue gas heats the liquid to vaporize it, thereby transferring energy from the high-temperature flue gas to the liquid in the coil for use in other processes.

[0003] In actual use, in order to increase the time that the high-temperature flue gas stays in the steam generator, the distance between the air inlet and the air outlet is often far, and it is not easy to adjust when the temperature in the steam generator is high. Utility Model Content

[0004] In view of the above problems, the utility model provides a steam generator with superheated exhaust.

[0005] The adopted technical solution is a steam generator with superheated exhaust, comprising a steam generator body, a heating chamber is arranged in the steam generator body, and a steam coil is arranged in the heating chamber, wherein a first connecting air pipe, a second connecting air pipe and a superheated exhaust pipe are arranged on the top of the steam generator body;

[0006] The overheat exhaust pipe is in communication with the heating chamber;

[0007] The first connecting air pipe is connected to the first air distribution mechanism, and the first air distribution mechanism is connected to communicate with the heating chamber;

[0008] The second connecting air pipe is connected to the second air distribution mechanism, and the second air distribution mechanism is connected to communicate with the heating chamber.

[0009] Furthermore, the second air distribution mechanism includes a second connecting cavity, a connecting pipe and an annular cavity.

[0010] Optionally, the second connecting chamber is disposed at the top of the heating chamber and is connected to the second connecting air pipe;

[0011] The annular cavity is arranged at the bottom of the heating cavity and is communicated with the second connecting cavity through a connecting pipe. An opening is arranged on the annular cavity and is communicated with the heating cavity.

[0012] Optionally, the first air distribution mechanism includes a first connecting cavity, which is arranged at the top of the heating cavity and is connected to the first connecting air pipe, and an opening is arranged on the first connecting cavity to be connected to the heating cavity.

[0013] Furthermore, the first connecting cavity and the second connecting cavity are located in the same plane, and the volume ratio of the first connecting cavity to the volume ratio of the second connecting cavity is 1:20.

[0014] Optionally, a liquid inlet pipe and a liquid outlet pipe are connected to the steam generator body, wherein the liquid inlet pipe is connected to the bottom of the steam coil, and the liquid outlet pipe is connected to the top of the steam coil.

[0015] The beneficial effects of the present utility model include at least one of the following:

[0016] 1. By arranging an overheating exhaust pipe on the steam generator body, the overheated flue gas in the heating chamber can be discharged from the overheating exhaust pipe instead of being discharged from the first connecting air pipe or the second connecting air pipe, and the overall exhaust cycle is shortened, so that the overheating problem can be quickly solved.

[0017] 2. The invention solves the problem that the air inlet and the air outlet of the existing steam generator are often far apart in order to increase the time that the high-temperature flue gas stays in the steam generator, and it is difficult to adjust the temperature when the temperature in the steam generator is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of a steam generator with superheated exhaust gas;

[0019] Figure 2 It is a schematic diagram of the internal structure of a steam generator with superheated exhaust gas;

[0020] Figure 3 It is a schematic diagram of the heating chamber structure;

[0021] The figure numbers are: 1 is the steam generator body, 2 is the liquid inlet pipe, 3 is the steam coil, 4 is the liquid outlet pipe, 5 is the first connecting air pipe, 6 is the second connecting air pipe, 7 is the overheating exhaust pipe, 8 is the second connecting chamber, 9 is the first connecting chamber, 10 is the heating chamber, 11 is the connecting pipe, and 12 is the annular chamber. DETAILED DESCRIPTION

[0022] The following describes the implementation of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0023] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0024] like Figures 1 to 3 As shown, a steam generator with superheated exhaust comprises a steam generator body 1, a heating chamber 10 is arranged in the steam generator body 1, and a steam coil 3 is arranged in the heating chamber 10, wherein a first connecting air pipe 5, a second connecting air pipe 6 and a superheated exhaust pipe 7 are arranged on the top of the steam generator body 1;

[0025] The overheat exhaust pipe 7 is connected to the heating chamber 10;

[0026] The first connecting air pipe 5 is connected to the first air distribution mechanism, and the first air distribution mechanism is connected to communicate with the heating chamber 10;

[0027] The second connecting air pipe 6 is connected to the second air distribution mechanism, and the second air distribution mechanism is connected to communicate with the heating chamber 10 .

[0028] The purpose of such a design is that, by arranging an overheat exhaust pipe on the steam generator body, the overheated flue gas in the heating chamber can be discharged from the overheat exhaust pipe instead of from the first connecting air pipe or the second connecting air pipe, and the overall exhaust cycle is shortened, so that the overheating problem can be quickly solved. This solves the problem that in order to increase the time that the high-temperature flue gas stays in the steam generator, the distance between the air inlet and the air outlet of the existing steam generator is often far, and it is difficult to adjust when the temperature in the steam generator is high.

[0029] It should be pointed out that the long distance between the air inlet and the air outlet here does not refer to the straight-line distance between the two, but refers to the distance from the air inlet to the air outlet, and then flowing through the heating chamber. At the same time, in the existing structure, if overheating exhaust is to be performed, most of the methods are to accelerate the exhaust speed of the air outlet and reduce the residence time of the high-temperature flue gas in the heating chamber. Due to the distance limitation, this method cannot solve the problem in a short time.

[0030] In this embodiment, the second air distribution mechanism includes a second connecting chamber 8, a connecting pipe 11 and an annular chamber 12. The second connecting chamber 8 is arranged at the top of the heating chamber 10 and is connected to the second connecting air pipe 6.

[0031] The annular cavity 12 is disposed at the bottom of the heating cavity 10 and is connected to the second connecting cavity 8 via a connecting pipe 11 . An opening is disposed on the annular cavity 12 and is connected to the heating cavity 10 .

[0032] The first air distribution mechanism comprises a first connecting cavity 9 , which is disposed at the top of the heating cavity 10 and communicated with the first connecting gas pipe 5 , and an opening is disposed on the first connecting cavity 9 to communicate with the heating cavity 10 .

[0033] The purpose of such a design is that in actual use, according to actual needs, the first connecting air pipe or the second connecting air pipe can be selected as the air inlet end, and the other as the air outlet end. Taking the first connecting air pipe 5 as the air inlet end as an example, the high-temperature gas enters the heating chamber 10 through the opening of the first connecting chamber 9. As the amount of high-temperature flue gas injected increases, excess high-temperature flue gas enters the annular chamber through the opening between the annular chamber 12 and the heating chamber 10, and then enters the second connecting chamber 8 through the connecting pipe 11, and then is discharged through the second connecting air pipe 6, and vice versa. Selecting different connecting air pipes can adjust the time that the high-temperature flue gas stays in the heating chamber, such as realizing the input of small flow or large flow.

[0034] It should be pointed out that since a thermometer is needed to determine whether overheating occurs, a thermometer that can display the temperature of the heating chamber is usually provided outside the device body. This is a prior art and will not be described in detail.

[0035] In this embodiment, the first connecting cavity 9 and the second connecting cavity 8 are located in the same plane, and the volume ratio of the first connecting cavity 9 to the volume ratio of the second connecting cavity 8 is 1:20.

[0036] In this embodiment, a liquid inlet pipe 2 and a liquid outlet pipe 4 are connected to the steam generator body 1 . The liquid inlet pipe 2 is connected to the bottom of the steam coil 3 , and the liquid outlet pipe 4 is connected to the top of the steam coil 3 .

[0037] It should be pointed out that, usually, liquid is input from the liquid inlet pipe by convection with the flue gas.

[0038] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steam generator with superheated exhaust gas, comprising a steam generator body (1), wherein a heating chamber (10) is arranged in the steam generator body (1), and a steam coil (3) is arranged in the heating chamber (10), characterized in that: A first connecting air pipe (5), a second connecting air pipe (6) and an overheating exhaust pipe (7) are provided on the top of the steam generator body (1); The overheat exhaust pipe (7) is in communication with the heating chamber (10); The first connecting air pipe (5) is connected to the first air distribution mechanism, and the first air distribution mechanism is connected to communicate with the heating chamber (10); The second connecting air pipe (6) is connected to the second air distribution mechanism, and the second air distribution mechanism is connected to communicate with the heating chamber (10).

2. A steam generator with superheated exhaust gas according to claim 1, characterized in that: The second air distribution mechanism comprises a second connecting cavity (8), a connecting pipe (11) and an annular cavity (12).

3. A steam generator with superheated exhaust gas according to claim 2, characterized in that: The second connecting chamber (8) is arranged at the top of the heating chamber (10) and is connected to the second connecting air pipe (6); The annular cavity (12) is arranged at the bottom of the heating cavity (10) and is connected to the second connecting cavity (8) via a connecting pipe (11); an opening is arranged on the annular cavity (12) and is connected to the heating cavity (10).

4. A steam generator with superheated exhaust gas according to claim 3, characterized in that: The first air distribution mechanism comprises a first connecting cavity (9), the first connecting cavity (9) being arranged at the top of the heating cavity (10) and being in communication with the first connecting gas pipe (5), and an opening being arranged on the first connecting cavity (9) and being in communication with the heating cavity (10).

5. A steam generator with superheated exhaust gas according to claim 4, characterized in that: The first connecting chamber (9) and the second connecting chamber (8) are located in the same plane, and the volume ratio of the first connecting chamber (9) to the volume ratio of the second connecting chamber (8) is 1:

20.

6. A steam generator with superheated exhaust gas according to claim 5, characterized in that: The steam generator body (1) is connected to a liquid inlet pipe (2) and a liquid outlet pipe (4); the liquid inlet pipe (2) is in communication with the bottom of the steam coil (3), and the liquid outlet pipe (4) is in communication with the top of the steam coil (3).

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