Coil tubular gas steam generator

Abstract

The invention discloses a coil pipe through-flow type gas steam generator, which belongs to the technical field of assembly type combined wall bodies, and comprises a smoke box body of a cylindrical structure, the smoke box body is mounted on a base assembly through a smoke box base, a smoke box top plate is mounted at the top of the smoke box body, an annular baffle plate is arranged on the inner wall of the smoke box body, and the annular baffle plate is mounted on the smoke box top plate. A preheating bin is formed between the annular surrounding baffle and the inner wall of the smoke box body, and a water inlet nozzle and a water outlet nozzle which are communicated with the preheating bin are arranged on the smoke box body. The combustion mechanism combusts the interior of the smoke box body, liquid flowing through the inner coil pipe and the outer discharge pipe is heated and then forms steam in the steam generation bin to be discharged from the steam outlet, the double-coil-pipe structural design increases the heating path of the liquid in the smoke box body, the heating effect is sufficient, the steam generation efficiency is high, and the heating effect is good. And the overall structural design is ingenious.

Description

Technical Field

[0001] The invention belongs to the technical field of cross-flow steam generators, and in particular relates to a coil cross-flow gas steam generator. Background Art

[0002] The cross-flow steam generator adopts an advanced heat energy conversion method. It converts the heat energy generated by energy sources such as gas, oil or electricity into a thermal process of steam. In the combustion chamber, the fuel and air are mixed and burned to produce high-temperature flue gas. This high-temperature flue gas flows in the heating tube, and the water in the heating tube is heated and evaporated into steam.

[0003] At present, the waste heat utilization rate and heating effect of cross-flow steam generators are not sufficient. Summary of the invention

[0004] The purpose of the present invention is to propose a coil cross-flow type gas steam generator in order to solve the above-mentioned problems.

[0005] In order to achieve the above object, the present invention adopts the following technical solution: a coil cross-flow gas steam generator, comprising:

[0006] The cigarette box body is a cylindrical structure, and the cigarette box body is installed on the base assembly through the cigarette box base, the top of the cigarette box body is installed with a cigarette box top plate, the inner wall of the cigarette box body is provided with an annular baffle plate, and a preheating chamber is formed between the annular baffle plate and the inner wall of the cigarette box body, and the cigarette box body is provided with a water inlet and a water outlet connected to the preheating chamber;

[0007] A plurality of smoke pipe bodies, which pass through the annular baffle plate and communicate with the top and bottom of the annular baffle plate;

[0008] An inner sealing head, which is covered on the top plate of the smoke box;

[0009] An outer head, which is covered on the inner head to form a steam generating chamber, and a steam outlet is provided on the outer head;

[0010] An inner coil is disposed in the smoke box body, and an outlet of the inner coil extends into the steam generating chamber;

[0011] An outer coil is arranged in the smoke box body and sleeved around the inner coil, and the outlet of the outer coil extends into the steam generating chamber;

[0012] a combustion mechanism mounted on the base assembly and extending into the inner coil;

[0013] A booster pump is connected to the water outlet, the inlet of the inner coil and the inlet of the outer coil through a plurality of booster pipes.

[0014] As a further description of the above technical solution:

[0015] The water inlet is located below the water outlet.

[0016] As a further description of the above technical solution:

[0017] The smoke box base is provided with a smoke exhaust port.

[0018] As a further description of the above technical solution:

[0019] The combustion mechanism comprises a fan and a combustion tube. The fan is mounted on the base assembly, and the combustion tube is mounted on the fan and extends into the inner coil.

[0020] As a further description of the above technical solution:

[0021] The outlet of the inner coil and the outlet of the outer coil are both connected to the top plate of the smoke box through the coil top plate, and the inlet of the inner coil and the inlet of the outer coil are both connected to the base of the smoke box through the coil bottom plate.

[0022] As a further description of the above technical solution:

[0023] A plurality of coil spacers are arranged on the coil bottom plate, and the inner coil and the outer coil pass through the plurality of coil spacers respectively.

[0024] As a further description of the above technical solution:

[0025] A smoke tube guide plate is arranged in the smoke tube body.

[0026] As a further description of the above technical solution:

[0027] A pressure monitor and a pressure relief valve are installed on the outer cover, and both the pressure monitor and the pressure relief valve extend into the steam generating chamber.

[0028] As a further description of the above technical solution:

[0029] The outer cover is provided with a fire viewing tube, and the fire viewing tube extends to the interior of the smoke box body.

[0030] As a further description of the above technical solution:

[0031] The booster pipeline is provided with a liquid level gauge, and the liquid level gauge is connected to the steam generating chamber.

[0032] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0033] 1. In the present invention, combustion is carried out in the smoke box body through the combustion mechanism, and the liquid flowing through the inner coil and the outer exhaust pipe is heated to form steam in the steam generating chamber and discharged from the steam outlet. The double coil structure design increases the heating path of the liquid in the smoke box body, thereby making the heating effect sufficient and the steam generation efficiency high. The water inlet nozzle enters the liquid into the preheating chamber, and the hot flue gas generated by the combustion preheats the internal liquid of the preheating chamber when passing through multiple smoke pipe bodies, and the waste heat of the hot flue gas is fully utilized. The preheated liquid is sent into the double coil structure under the pressurization action of the booster pump for formal heating and vaporization, and the overall structural design is ingenious.

[0034] 2. In the present invention, the gas is blown into the combustion tube by the fan for combustion, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 The overall structure of a coil cross-flow gas steam generator is shown in Fig. Figure 1 .

[0036] Figure 2 The overall structure of a coil cross-flow gas steam generator is shown in Fig. Figure 2 .

[0037] Figure 3 An explosion in a coil-tube cross-flow gas steam generator Figure 1 .

[0038] Figure 4 An explosion in a coil-tube cross-flow gas steam generator Figure 2 .

[0039] Figure 5 It is a partial cross-sectional view of a coil cross-flow gas steam generator.

[0040] Figure 6 A cross-sectional view of the smoke box body in a coil-tube cross-flow gas steam generator Figure 1 .

[0041] Figure 7 A cross-sectional view of the smoke box body in a coil-tube cross-flow gas steam generator Figure 2 .

[0042] Legend:

[0043] 1. Smoke box body; 2. Smoke box base; 3. Base assembly; 4. Smoke box top plate; 5. Annular enclosure plate; 6. Preheating chamber; 7. Water inlet nozzle; 8. Water outlet nozzle; 9. Smoke pipe body; 10. Inner head; 11. Outer head; 12. Steam generating chamber; 13. Steam outlet; 14. Inner coil; 15. Outer coil; 16. Combustion mechanism; 161. Fan; 162. Combustion tube; 17. Booster pump; 18. Booster pipe; 19. Smoke exhaust port; 20. Coil top plate; 21. Coil bottom plate; 22. Coil partition plate; 23. Smoke pipe guide plate; 24. Pressure monitor; 25. Pressure relief valve; 26. Fire viewing tube; 27. Liquid level gauge. DETAILED DESCRIPTION

[0044] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0045] See also Figure 1-7 The present invention provides a technical solution: a coil cross-flow gas steam generator, comprising:

[0046] A cigarette box body 1 is a cylindrical structure, and the cigarette box body 1 is installed on a base assembly 3 through a cigarette box base 2. A cigarette box top plate 4 is installed on the top of the cigarette box body 1. An annular baffle plate 5 is provided on the inner wall of the cigarette box body 1. A preheating chamber 6 is formed between the annular baffle plate 5 and the inner wall of the cigarette box body 1. A water inlet 7 and a water outlet 8 connected to the preheating chamber 6 are provided on the cigarette box body 1.

[0047] A plurality of smoke pipe bodies 9, which pass through the annular baffle plate 5 and communicate with the top and bottom of the annular baffle plate 5;

[0048] An inner sealing head 10, which is covered on the top plate 4 of the smoke box;

[0049] An outer head 11, which is covered on the inner head 10 to form a steam generating chamber 12, and a steam outlet 13 is provided on the outer head 11;

[0050] An inner coil 14 is disposed in the smoke box body 1, and an outlet of the inner coil 14 extends into the steam generating chamber 12;

[0051] An outer coil 15 is disposed in the smoke box body 1 and sleeved around the inner coil 14, and an outlet of the outer coil 15 extends into the steam generating chamber 12;

[0052] A combustion mechanism 16, which is mounted on the base assembly 3 and extends into the inner coil 14;

[0053] A booster pump 17, which is connected to the water outlet 8, the inlet of the inner coil 14 and the inlet of the outer coil 15 through a plurality of booster pipes 18;

[0054] The water inlet 7 is located below the water outlet 8. Cold water enters the preheating chamber 6 from the water inlet 7 and has a sufficient preheating path, so that the cold water is fully preheated, and the residual heat in the combustion flue gas is fully utilized;

[0055] The smoke box base 2 is provided with a smoke exhaust port 19 to facilitate the exhaust of combustion smoke;

[0056] The combustion mechanism 16 includes a fan 161 and a combustion tube 162. The fan 161 is mounted on the base assembly 3. The combustion tube 162 is mounted on the fan 161 and extends into the inner coil 14. The fan 161 blows the gas into the combustion tube 162 for combustion, and the use effect is good.

[0057] The outlet of the inner coil 14 and the outlet of the outer coil 15 are both connected to the smoke box top plate 4 through the coil top plate 20, and the inlet of the inner coil 14 and the inlet of the outer coil 15 are both connected to the smoke box base 2 through the coil bottom plate 21; a plurality of coil spacers 22 are arranged on the coil bottom plate 21, and the inner coil 14 and the outer coil 15 respectively pass through the plurality of coil spacers 22 to ensure the stable installation of the coils;

[0058] The smoke pipe body 9 is provided with a smoke pipe guide plate 23 to increase the residence time of the smoke in the smoke pipe body 9, thereby fully utilizing the residual heat in the combustion smoke;

[0059] The outer head 11 is provided with a pressure monitor 24 and a pressure relief valve 25, and both the pressure monitor 24 and the pressure relief valve 25 extend into the steam generating chamber 12;

[0060] The outer sealing head 11 is provided with a fire observation tube 26, which extends to the interior of the smoke box body 1, so as to facilitate observation of the combustion conditions in the smoke box body 1;

[0061] The boost pipe 18 is provided with a liquid level gauge 27 , and the liquid level gauge 27 is connected to the steam generating chamber 12 .

[0062] Working principle: combustion is carried out in the smoke box body 1 through the combustion mechanism 16, that is, the fan 161 blows the fuel gas into the combustion tube 162 for combustion, and the liquid flowing through the inner coil 14 and the outer exhaust pipe is heated to form steam in the steam generating chamber 12 and is discharged from the steam outlet 13. The double-coil structure design increases the heating path of the liquid in the smoke box body 1, thereby making the heating effect sufficient and the steam generation efficiency high. The water inlet nozzle 7 enters the liquid into the preheating chamber 6, and the hot flue gas generated by the combustion passes through multiple smoke pipe bodies 9 to preheat the internal liquid of the preheating chamber 6, and the waste heat of the hot flue gas is fully utilized. The preheated liquid is sent from the water outlet nozzle 8 to the double-coil structure under the pressurization action of the booster pump 17 for formal heating and vaporization. The overall structural design is ingenious.

[0063] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A coil-tube cross-flow gas steam generator, characterized in that: include: A cigarette box body (1) is a cylindrical structure, and the cigarette box body (1) is installed on a base assembly (3) through a cigarette box base (2), a cigarette box top plate (4) is installed on the top of the cigarette box body (1), an annular baffle plate (5) is provided on the inner wall of the cigarette box body (1), a preheating chamber (6) is formed between the annular baffle plate (5) and the inner wall of the cigarette box body (1), and a water inlet nozzle (7) and a water outlet nozzle (8) connected to the preheating chamber (6) are provided on the cigarette box body (1); A plurality of smoke pipe bodies (9), which pass through the annular baffle plate (5) and are connected above and below the annular baffle plate (5); An inner sealing head (10) which covers the top plate (4) of the smoke box; An outer sealing head (11) is covered on the inner sealing head (10) to form a steam generating chamber (12), and a steam outlet (13) is provided on the outer sealing head (11); An inner coil (14) is arranged in the smoke box body (1), and an outlet of the inner coil (14) extends into the steam generating chamber (12); An outer coil (15) is arranged in the smoke box body (1) and sleeved around the inner coil (14), and the outlet of the outer coil (15) extends into the steam generating chamber (12); A combustion mechanism (16) is mounted on the base assembly (3), and the combustion mechanism (16) extends into the inner coil (14); A booster pump (17) is connected to the water outlet (8), the inlet of the inner coil (14) and the inlet of the outer coil (15) via a plurality of booster pipes (18).

2. A coil cross-flow gas steam generator according to claim 1, characterized in that: The water inlet nozzle (7) is located below the water outlet nozzle (8).

3. The coil-tube cross-flow gas steam generator according to claim 1, characterized in that: The smoke box base (2) is provided with a smoke exhaust port (19).

4. The coil-tube cross-flow gas steam generator according to claim 1, characterized in that: The combustion mechanism (16) comprises a fan (161) and a combustion tube (162); the fan (161) is mounted on the base assembly (3); the combustion tube (162) is mounted on the fan (161) and extends into the inner coil (14).

5. The coil cross-flow gas steam generator according to claim 1, characterized in that: The outlet of the inner coil (14) and the outlet of the outer coil (15) are both connected to the smoke box top plate (4) via the coil top plate (20), and the inlet of the inner coil (14) and the inlet of the outer coil (15) are both connected to the smoke box base (2) via the coil bottom plate (21).

6. The coil cross-flow gas steam generator according to claim 5, characterized in that: A plurality of coil spacers (22) are arranged on the coil bottom plate (21), and the inner coil (14) and the outer coil (15) respectively pass through the plurality of coil spacers (22).

7. The coil-tube cross-flow gas steam generator according to claim 1, characterized in that: A smoke tube guide plate (23) is arranged inside the smoke tube body (9).

8. The coil-tube cross-flow gas steam generator according to claim 1, characterized in that: A pressure monitor (24) and a pressure relief valve (25) are installed on the outer sealing head (11), and both the pressure monitor (24) and the pressure relief valve (25) extend into the steam generating chamber (12).

9. The coil-tube cross-flow gas steam generator according to claim 1, characterized in that: The outer sealing head (11) is provided with a fire viewing tube (26), and the fire viewing tube (26) extends to the interior of the smoke box body (1).

10. The coil cross-flow gas steam generator according to claim 1, characterized in that: The boosting pipeline (18) is provided with a liquid level meter (27), and the liquid level meter (27) is connected to the steam generating chamber (12).

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