Coil tubular gas steam generator

Abstract

The utility model discloses a coil pipe through-flow type gas steam generator, which belongs to the technical field of assembly type combined walls and comprises a smoke box body of a cylindrical structure, the smoke box body is installed on a base assembly through a smoke box base, a smoke box top plate is installed on the top of the smoke box body, and a smoke box top plate is installed on the smoke box top plate. An annular surrounding baffle is arranged on the inner wall of the smoke box body, 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 inside of the smoke box body is combusted through the combustion mechanism, 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 heating path of the liquid in the smoke box body is increased through the double-coil-pipe structural design, the heating effect is sufficient, the steam generation efficiency is high, and the energy consumption is low. And the overall structural design is ingenious.

Description

Technical Field

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

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

[0003] Currently, the waste heat utilization rate and heating effect of cross-flow steam generators are insufficient. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned problems and to propose a coil cross-flow type gas steam generator.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a coil-tube 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. A preheating chamber is formed between the annular baffle plate and the inner wall of the cigarette box body. 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 passing through the annular baffle plate and communicating with the upper and lower parts 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 covers the inner head to form a steam generating chamber, and the outer head is provided with a steam outlet;

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

[0011] An outer coil is provided in the smoke box body and is 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, wherein the combustion mechanism extends 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] A smoke exhaust port is provided on the smoke box base.

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

[0019] The combustion mechanism includes a fan and a combustion tube. The fan is installed on the base assembly. The combustion tube is installed 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 provided 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 head, 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, which extends into the interior of the smoke box body.

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

[0031] The boosting pipeline is provided with a liquid level gauge, which 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 achieving sufficient heating effect and high steam generation efficiency. 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, making full use of the waste heat of the hot flue gas. The preheated liquid is sent into the double-coil structure under the pressurization action of the booster pump for formal heating and vaporization. The overall structural design is ingenious.

[0034] 2. In the utility model, 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 Schematic diagram of the overall structure of a coil cross-flow gas steam generator Figure 1 .

[0036] Figure 2 Schematic diagram of the overall structure of a coil cross-flow gas steam generator Figure 2 .

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

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

[0039] Figure 5 A partial cross-sectional view of a coil-tube 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 baffle 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 observation tube; 27. Liquid level gauge. DETAILED DESCRIPTION

[0044] The following will be combined with the accompanying 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.

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

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

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

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

[0049] An outer head 11, which covers 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 provided in the smoke box body 1 and is 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 mounted on the base assembly 3 and extending into the inner coil 14;

[0053] a booster pump 17 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;

[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, thereby being fully preheated and making full use of the residual heat in the combustion flue gas.

[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, which has a good effect.

[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 provided 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 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] A pressure monitor 24 and a pressure relief valve 25 are installed on the outer head 11, and both the pressure monitor 24 and the pressure relief valve 25 extend into the steam generating chamber 12;

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

[0061] A liquid level gauge 27 is provided on the pressurizing pipe 18 , 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 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 preheats the internal liquid of the preheating chamber 6 when passing through multiple smoke pipe bodies 9, and fully utilizes the waste heat of the hot flue gas. The preheated liquid is sent from the water outlet nozzle 8 into 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 is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of 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) communicating with the preheating chamber (6) are provided on the cigarette box body (1); A plurality of smoke pipe bodies (9) passing through the annular baffle plate (5) and communicating with the upper and lower parts of 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 is 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) mounted on the base assembly (3), wherein 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) through a plurality of booster pipes (18).

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

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

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), wherein the fan (161) is mounted on the base assembly (3), and the combustion tube (162) is mounted on the fan (161) and extends into the inner coil (14).

5. The coil-tube 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) 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).

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

7. The coil-tube cross-flow gas steam generator according to claim 1, characterized in that: A smoke tube guide plate (23) is provided in 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 seal 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: A fire viewing tube (26) is provided on the outer sealing head (11), and the fire viewing tube (26) extends into the interior of the smoke box body (1).

10. The coil-tube cross-flow gas steam generator according to claim 1, characterized in that: A liquid level gauge (27) is provided on the pressurized pipe (18), and the liquid level gauge (27) is connected to the steam generating chamber (12).

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