Steam generator with preheating function

Abstract

The utility model discloses a steam generator with a preheating function, which comprises a shell, a combustion cavity arranged at the lower part in the shell, a combustion mechanism arranged in the combustion cavity, a water boiling cavity arranged above the combustion cavity, a heating cavity arranged above the water boiling cavity, a first conveying pipe arranged in an S shape and arranged in the heating cavity, and a second conveying pipe arranged in the shell, a condensation cavity is formed in the top in the shell, the upper end of the condensation cavity is connected with an air outlet pipe, one side of the upper portion of the shell is connected with a preheating box, the condensation cavity is connected with the preheating box through the air outlet pipe, second conveying pipes distributed in an S shape are arranged in the preheating box, the first conveying pipe is connected with the second conveying pipes, and one end of each second conveying pipe is connected with a water inlet pipe. One end of the first conveying pipe is connected with a water outlet pipe. Water in the water boiling cavity is heated through the combustion mechanism, generated steam enters the heating cavity to heat water in the first conveying pipe, residual steam enters the preheating box to preheat water in the second conveying pipe, and the heating time is shortened.

Description

Technical Field

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

[0002] A steam generator, also known as a steam heat source (commonly known as a boiler), is a mechanical device that uses the thermal energy of fuel or other energy sources to heat water into hot water or steam. The original meaning of "pot" refers to a container for holding water heated over fire, while "furnace" refers to the place where fuel is burned. A boiler consists of two main parts: the pot and the furnace.

[0003] However, current steam generators have the following problems: (1) After heating the water, the remaining steam is directly discharged, and the remaining steam cannot be used to preheat the water, thereby failing to shorten the water heating time; (2) The steam will condense into water droplets after heat exchange, and in all processes, such as during the water heating process or after the water heating is completed, the condensed water droplets are directly discharged and cannot be reused, resulting in a waste of water resources. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a steam generator with a preheating function to solve the problems mentioned in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A steam generator with a preheating function includes a shell, a combustion chamber is provided in the lower part of the shell, a combustion mechanism is provided in the combustion chamber, a water boiling chamber is provided above the combustion chamber, a heating chamber is provided above the water boiling chamber, the water boiling chamber is connected to the heating chamber through a steam outlet pipe, a first delivery pipe with an S-shaped distribution is provided in the heating chamber, a condensation chamber is provided at the top of the shell, the upper end of the condensation chamber is connected to the air outlet pipe, one side of the upper part of the shell is connected to the preheating box, the condensation chamber is connected to the preheating box through the air outlet pipe, a second delivery pipe with an S-shaped distribution is provided in the preheating box, the first delivery pipe is connected to the second delivery pipe, one end of the second delivery pipe is connected to the water inlet pipe, and one end of the first delivery pipe is connected to the water outlet pipe, the lower part of one side of the condensation chamber is connected to the first water return pipe, the lower end of the first return pipe is connected to the water boiling chamber, the lower end of the preheating box is connected to the second return pipe, the second return pipe is connected to the first return pipe, the lower part of the heating chamber is connected to the third return pipe, and the third return pipe is also connected to the first return pipe.

[0007] Preferably, the combustion mechanism includes a gas stove installed in the lower part of the shell, the ignition switch of the gas stove is located on the front side of the shell, one end of the gas stove is connected to a gas pipe, and the gas pipe is provided with a first valve.

[0008] According to the above technical solution, the first valve is opened and the gas stove can be turned on by the ignition switch to heat the water in the water-boiling chamber.

[0009] Preferably, the shell is connected to a water injection pipe communicating with the water boiling chamber.

[0010] According to the above technical solution, water can be injected into the water-boiling chamber through the water injection pipe to generate steam for heating.

[0011] Preferably, the first water return pipe, the second water return pipe, and the third water return pipe are all provided with a second valve.

[0012] The above technical solution can make the water in the three return pipes flow back to the water heating area by opening the second valves of the first return pipe, the second return pipe and the third return pipe, thereby realizing the reuse of water.

[0013] Preferably, a first pipe and a second pipe communicating with the water boiling chamber are installed on the shell, a temperature gauge is installed on the first pipe, and a pressure gauge and a pressure relief valve are installed on the second pipe.

[0014] According to the above technical solution, the temperature of water in the water heating area can be monitored by a thermometer, the pressure in the water heating area can be monitored by a pressure gauge, and the pressure in the water heating area can be adjusted by a pressure relief valve.

[0015] Preferably, an inclined slope is provided in the condensation chamber, and the inlet of the first return water pipe is located at the lower part of the slope.

[0016] In the above technical solution, the remaining steam enters the condensing chamber and is naturally cooled. The water droplets formed after cooling fall on the slope and enter the first return water pipe along the slope, while the remaining small amount of steam enters the preheating box to preheat the water in the second delivery pipe.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The combustion mechanism burns to heat the water in the water boiling chamber, and the generated steam enters the heating chamber through the steam outlet pipe to heat the water in the first delivery pipe. Water droplets generated during the heating process fall into the heating chamber, and the remaining steam enters the condensation chamber for natural cooling. The generated water droplets fall into the condensation chamber, and the remaining small amount of steam enters the preheating box through the air outlet pipe and preheats the water in the second delivery pipe, thereby improving the heating effect and shortening the heating time. The water droplets generated during the preheating process fall into the preheating box. During the entire process, the water in the heating chamber passes through the third return water pipe, the water in the condensation chamber passes through the first return water pipe, and the water in the preheating box enters the water boiling chamber again through the second return water pipe, so as to boil water again and generate steam, thereby saving water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] In the figure: 1-shell, 2-combustion chamber, 3-water boiling chamber, 4-heating chamber, 5-steam outlet pipe, 6-first delivery pipe, 7-condensing chamber, 8-air outlet pipe, 9-preheating box, 10-second delivery pipe, 11-water inlet pipe, 12-water outlet pipe, 13-first return pipe, 14-second return pipe, 15-third return pipe, 16-gas stove, 17-ignition switch, 18-first valve, 19-water injection pipe, 20-second valve, 21-thermometer, 22-pressure gauge, 23-pressure relief valve, 24-slope. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] See also Figure 1 、 Figure 2 A steam generator with a preheating function includes a housing 1. A combustion chamber 2 is provided in the lower portion of the housing 1. A combustion mechanism is provided within the combustion chamber 2. A water heating chamber 3 is provided above the combustion chamber 2. Specifically, the combustion mechanism includes a gas stove 16 mounted in the lower portion of the housing. An ignition switch 17 for the gas stove 16 is located on the front side of the housing 1. One end of the gas stove 16 is connected to a gas pipe, which is provided with a first valve 18. Opening first valve 18 activates the gas stove 16 via ignition switch 17, thereby heating the water in the water heating chamber 2.

[0025] The housing 1 is connected to a water injection pipe 19 that communicates with the water-boiling chamber 3 . The water injection pipe 19 is connected to a water source. Water can be added to the water-boiling chamber through the water injection pipe 19 . In addition, a valve is also required to be installed on the water injection pipe 19 . A heating chamber 4 is provided above the water boiling chamber 3, and the water boiling chamber 3 is connected to the heating chamber 4 through a steam outlet pipe 5. A first delivery pipe 6 distributed in an S shape is provided in the heating chamber 4. A condensation chamber 7 is provided at the top of the shell 1. The upper end of the condensation chamber 7 is connected to an air outlet pipe 8. One side of the upper part of the shell 1 is connected to a preheating box 9. The condensation chamber 7 is connected to the preheating box 9 through the air outlet pipe 8. A second delivery pipe 10 distributed in an S shape is provided in the preheating box 9. The first delivery pipe 6 is connected to the second delivery pipe 10. One end of the second delivery pipe 10 is connected to a water inlet pipe 11, and one end of the first delivery pipe 6 is connected to a water outlet pipe 12. A first return water pipe 13 is connected to the lower part of one side of the condensation chamber 7. The lower end of the first return water pipe 13 is connected to the water boiling chamber 3. The lower end of the preheating box 9 is connected to a second return water pipe 14. The second return water pipe 14 is connected to the first return water pipe 13. A third return water pipe 15 is connected to the lower part of the heating chamber 4, and the third return water pipe 15 is also connected to the first return water pipe 13.

[0026] The working principle of this embodiment is as follows: the water in the water boiling chamber 3 is heated by combustion through the combustion mechanism, and the generated steam enters the heating chamber 4 through the steam outlet pipe 5 to heat the water in the first delivery pipe 6. Water droplets generated during the heating process fall into the heating chamber 4, and the remaining steam enters the condensation chamber 7 for natural cooling. The generated water droplets fall into the condensation chamber 7, and the remaining small amount of steam enters the preheating box 9 through the air outlet pipe 8 and preheats the water in the second delivery pipe 10, thereby improving the heating effect and shortening the heating time. The water droplets generated during the preheating process fall into the preheating box 9. During the entire process, the water in the heating chamber 4 passes through the third return water pipe 15, the water in the condensation chamber 7 passes through the first return water pipe 13, and the water in the preheating box 9 passes through the second return water pipe 14 to re-enter the water boiling chamber 3 so as to boil water again and generate steam, thereby saving water resources.

[0027] The first return pipe 13, the second return pipe 14, and the third return pipe 15 are each provided with a second valve 20. By opening the second valves 20 of the first return pipe 13, the second return pipe 14, and the third return pipe 15, water in the three return pipes can be returned to the water heating area 3, thereby achieving water reuse.

[0028] The housing 1 is equipped with a first pipe and a second pipe communicating with the water heating chamber. The first pipe is equipped with a thermometer 21, and the second pipe is equipped with a pressure gauge 22 and a pressure relief valve 23. The thermometer 21 monitors the temperature of the water in the water heating zone 3, the pressure gauge 22 monitors the pressure in the water heating zone 2, and the pressure relief valve 23 adjusts the pressure in the water heating zone 3.

[0029] Example 2

[0030] Based on Example 1, an inclined slope 24 is provided in the condensing chamber 7, and the inlet of the first water return pipe 13 is located at the lower part of the slope 24. The remaining steam enters the condensing chamber 7 and is naturally cooled. The water droplets formed after cooling fall on the slope 24 and enter the first water return pipe 13 along the slope 24. The remaining small amount of steam enters the preheating tank 9 to preheat the water in the second delivery pipe.

[0031] It should be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprises a ..." does not preclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steam generator with a preheating function, characterized in that: The invention comprises a shell (1), wherein a combustion chamber (2) is provided at the lower part of the shell (1), a combustion mechanism is provided in the combustion chamber (2), a water-boiling chamber (3) is provided above the combustion chamber (2), a heating chamber (4) is provided above the water-boiling chamber (3), the water-boiling chamber (3) is communicated with the heating chamber (4) through a steam outlet pipe (5), a first delivery pipe (6) with an S-shaped distribution is provided in the heating chamber (4), a condensation chamber (7) is provided at the top of the shell (1), an air outlet pipe (8) is connected to the upper end of the condensation chamber (7), a preheating box (9) is connected to one side of the upper part of the shell (1), the condensation chamber (7) is connected to the preheating box (9) through the air outlet pipe (8), and a first delivery pipe (6) with an S-shaped distribution is provided in the preheating box (9). The second delivery pipe (10) is distributed in S, the first delivery pipe (6) is connected to the second delivery pipe (10), one end of the second delivery pipe (10) is connected to the water inlet pipe (11), one end of the first delivery pipe (6) is connected to the water outlet pipe (12), the lower part of one side of the condensing chamber (7) is connected to the first return pipe (13), the lower end of the first return pipe (13) is communicated with the water heating chamber (3), the lower end of the preheating box (9) is connected to the second return pipe (14), the second return pipe (14) is connected to the first return pipe (13), the lower part of the heating chamber (4) is connected to the third return pipe (15), and the third return pipe (15) is also connected to the first return pipe (13).

2. The steam generator with preheating function according to claim 1, characterized in that: The combustion mechanism comprises a gas stove (16) installed in the lower part of the shell, an ignition switch (17) of the gas stove (16) is located on the front side of the shell (1), one end of the gas stove (16) is connected to a gas pipe, and a first valve (18) is provided on the gas pipe.

3. The steam generator with preheating function according to claim 2, characterized in that: The housing (1) is connected to a water injection pipe (19) communicating with the water boiling chamber (3).

4. The steam generator with preheating function according to claim 3, characterized in that: The first water return pipe (13), the second water return pipe (14), and the third water return pipe (15) are all provided with a second valve (20).

5. The steam generator with preheating function according to claim 4, characterized in that: The housing (1) is provided with a first pipe and a second pipe communicating with the water-boiling chamber. The first pipe is provided with a temperature gauge (21), and the second pipe is provided with a pressure gauge (22) and a pressure relief valve (23).

6. The steam generator with preheating function according to claim 5, characterized in that: An inclined slope (24) is provided in the condensation chamber (7), and the inlet of the first water return pipe (13) is located at the lower part of the slope (24).

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