Gas steam generator with flue gas condensation function

Abstract

The utility model relates to the technical field of fuel gas steam generators, in particular to a fuel gas steam generator with a smoke condensation function, which comprises a cabinet body, a steam generating tank is fixed on one side in the cabinet body, a smoke condensation tank is fixed on the other side in the cabinet body, the steam generating tank is used for introducing fuel gas for combustion to generate steam, and the smoke condensation tank is used for condensing smoke. Flue gas generated in the steam generation tank is introduced into the flue gas condensation tank through a breather pipe; one end of the breather pipe is fixed at the upper end of one side of the steam generation tank, and the other end of the breather pipe is fixedly connected with the center of the upper end of the smoke condensation tank; the flue gas condensing tank comprises a tank body II, a condensing pipe frame is fixed in the tank body II, the condensing pipe frame comprises two double-layer collecting pipes which are arranged up and down, and the pipelines of the double-layer collecting pipes are arranged to be in a double-layer concentric circle shape. According to the utility model, the flue gas condensing tank is arranged, so that the flue gas generated when the gas steam generator works can be cooled, the heat exchange efficiency is high, and more energy-saving and environment-friendly effects are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas steam generator technical field, specifically related to a gas steam generator with flue gas condensation. BACKGROUND

[0002] The gas steam generator is a kind of equipment using gas (such as natural gas, liquefied gas etc.) as fuel, generates heat energy by burning, heats water and converts into steam.

[0003] When the conventional gas steam generator operates, the gas releases heat energy by burning, and water is converted into steam for output use, but the high-temperature flue gas produced by combustion carries considerable energy, and a large amount of waste heat is directly discharged into the atmosphere without being effectively utilized, not only causing waste of heat, but also not meeting the green production requirement of energy saving and environmental protection.Therefore, the person skilled in the art provides a gas steam generator with flue gas condensation to solve the problems raised in the above background. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of gas steam generator with flue gas condensation to solve the above technical problems.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] A kind of gas steam generator with flue gas condensation, including cabinet, the inside one side of the cabinet is fixed with steam generation jar, the other side is fixed with flue gas condensation jar, the steam generation jar is used to pass into the flue gas combustion and produce steam, the flue gas produced in the steam generation jar is passed into the flue gas condensation jar in air pipe;

[0007] One end of the air pipe is fixed on the upper end of one side of the steam generation jar, and the other end is fixedly connected with the upper end center of the flue gas condensation jar;

[0008] The flue gas condensation jar includes jar body two, the inside of the jar body two is fixed with condensing pipe frame, the condensing pipe frame includes two double-layer manifold pipes arranged above and below, the double-layer manifold pipe line is arranged as double-layer concentric circle, and the inner and outer pipes are connected, a plurality of condensing pipes are fixedly connected between the inner and outer pipes of the two double-layer manifold pipes, and the double-layer manifold pipe on the upper side is communicated with the steam generation jar by water pipe.

[0009] Further, the steam generation jar includes jar body one, the inner bottom of the jar body one is fixed with ring pipe, the ring pipe is communicated with water pipe, the upper end of the ring pipe is fixed with a plurality of heat exchange pipes, the outer surface of the heat exchange pipe is intervally provided with a plurality of fins, the inside middle part of the jar body one is fixed with flame cylinder, and the flame cylinder is connected with igniter outside the jar body one;

[0010] Further, the upper end of the steam generating tank is fixed with a steam collecting pipe, the steam collecting pipe is communicated with the upper end of the plurality of heat exchange pipes, and a steam discharge pipe is fixedly connected, the steam discharge pipe extends out of the cabinet body;

[0011] Further, the inside of the cabinet body is fixed with a water pump, the output end of the water pump is fixed with a liquid outlet pipe, the liquid outlet pipe is communicated with the double-layer collecting pipe located at the lower side, and the input end of the water pump is fixed with a liquid inlet pipe;

[0012] Further, the outside of the cabinet body is provided with an air outlet assembly, the air outlet assembly is used for discharging flue gas in the flue gas condensing tank;

[0013] Further, the air outlet assembly comprises a chimney fixed at the outer end of the cabinet body, the lower end of the chimney is fixed with an air outlet pipe, the air outlet pipe extends into the cabinet body and is communicated with the lower side of the flue gas condensing tank, the outer end of the air outlet pipe is fixed with a fan, and the fan is used for discharging gas from the flue gas condensing tank to the chimney;

[0014] Further, the front end surface of the cabinet body is rotationally connected with a cabinet door, and the upper side of the cabinet door is provided with a transparent observation window;

[0015] Further, the lower end of the tank body two is in the shape of a circular truncated cone and is fixedly connected with a drain pipe;

[0016] The utility model discloses beneficial effects:

[0017] 1. The utility model provides a gas steam generator with flue gas condensation is provided with flue gas condensing tank, can cool the flue gas of gas steam generator work time, reduce the flue gas temperature, and the water vapor in flue gas is dissolved in the condensate in the condensation process (such as sulfur dioxide, nitrogen oxides etc.), thereby reduced the discharge to the atmosphere in a certain extent, more energy -conserving and environment -friendly.

[0018] 2. The utility model provides a gas steam generator with flue gas condensation, when using, flue gas can enter flue gas condensing tank from top to bottom, and the passing path of flue gas is long, thereby guaranteeing that flue gas can fully contact with condensing pipe frame in flue gas condensing tank, and the condensing pipe frame is provided with double -deck structure, guarantees heat exchange fully, and heat exchange efficiency is high.

[0019] 3. The utility model provides a gas steam generator with flue gas condensation, and the water flow of input is entered into steam generating tank after condensing pipe frame, makes the water as cooling medium, need not use additional cooling medium, simultaneously, the heat of flue gas can also preheat the water, reduces the time of subsequent steam generating tank heating evaporation, thereby improves energy utilization, saves fuel. DRAWINGS

[0020] The utility model will be further described below with reference to the drawings.

[0021] Figure 1 It is the whole structure diagram of the gas steam generator with flue gas condensation that the utility model provides;

[0022] Figure 2 It is the internal structure diagram of the gas steam generator with flue gas condensation that the utility model provides;

[0023] Figure 3 It is the sectional view of the gas steam generator with flue gas condensation that the utility model provides;

[0024] Figure 4 It is the structure diagram of the condensing pipe frame in the gas steam generator with flue gas condensation that the utility model provides.

[0025] Reference signs:

[0026] 1, cabinet body, 2, cabinet door, 3, transparent observation window, 4, air outlet assembly, 41, chimney, 42, air outlet pipe, 43, fan, 5, steam generation tank, 51, tank body one, 52, ring pipe, 53, flame tube, 54, heat exchange pipe, 55, igniter, 6, flue gas condensation tank, 61, tank body two, 62, condensing pipe frame, 621, double-layer collecting pipe, 622, condensing pipe, 63, drain pipe, 7, water pump, 8, liquid inlet pipe, 9, liquid outlet pipe, 10, steam collecting pipe, 11, steam exhaust pipe, 12, water pipe, 13, air pipe. Specific implementation

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Please refer to the drawings Figures 1 to 4As shown, the utility model embodiment's one kind with flue gas condensation's gas steam generator, including cabinet 1, the inside one side of cabinet 1 is fixed with steam generation jar 5, the other side is fixed with flue gas condensation jar 6, steam generation jar 5 is used to pass into the steam of gas combustion and produce, the steam of steam generation jar 5 in generation passes into flue gas condensation jar 6 in the air pipe 13, the steam of steam generation jar 5 when producing will pass into flue gas condensation jar 6 in the air pipe 13, after the cooling of flue gas condensation jar 6 again, reduce the temperature of flue gas, and water vapor in flue gas in the condensation process, some acid gases (such as sulfur dioxide, nitrogen oxides etc.) will dissolve in the condensate, thereby reduce the discharge to atmosphere in a certain extent, more energy saving and environmental protection.

[0029] Wherein, one end of air pipe 13 is fixed on the upper end of one side of steam generation jar 5, and the other end is fixedly connected with the upper end center of flue gas condensation jar 6;Flue gas enters flue gas condensation jar 6 from top to bottom, so as to ensure that the flue gas can fully contact with the heat exchange structure in flue gas condensation jar 6, and ensure sufficient heat exchange.

[0030] Specifically, flue gas condensation jar 6 includes jar body two 61, condensing pipe rack 62 is fixed in the inside of jar body two 61, condensing pipe rack 62 includes two double-layer manifold pipes 621 arranged above and below, the pipeline of double-layer manifold pipe 621 is arranged in double-layer concentric circle shape, and the inner and outer pipelines are connected, a plurality of condensing pipes 622 are fixedly connected between the inner and outer pipes of the upper and lower double-layer manifold pipes 621, the upper double-layer manifold pipe 621 is communicated with steam generation jar 5 through water pipe 12, in working, low-temperature water flows in double-layer manifold pipe 621 and condensing jar 622, after high-temperature flue gas enters, it will pass through condensing pipe rack 62 from top to bottom, and heat conduction will exchange heat with low-temperature water flow, because of the setting of double-layer condensing pipe 622, the heat exchange area is large, which can further improve the heat exchange effect and ensure sufficient flue gas cooling.

[0031] In the embodiment, water pump 7 is fixed in the inside of cabinet 1, the output end of water pump 7 is fixed with liquid outlet pipe 9, liquid outlet pipe 9 is communicated with the lower double-layer manifold pipe 621, and the input end of water pump 7 is fixed with liquid inlet pipe 8;Water flow is input by water pump 7, and after the water flow passes through condensing pipe rack 62, it enters steam generation jar 5, so that the water inflow is used as cooling medium, and additional cooling medium is not needed, at the same time, the heat of flue gas can preheat the water inflow, which reduces the heating and evaporation time of steam generation jar 5, thereby reducing fuel consumption, and being more energy saving and environmental protection.

[0032] In addition, in order to facilitate the discharge of sewage, the lower end of jar body two 61 is in the shape of a circular truncated cone, and is fixedly connected with drain pipe 63, the flue gas contains a certain amount of water vapor, a part of the water vapor will condense into water after contacting with condensing pipe rack 62, and the water droplets will fall into the bottom of jar body two 61 due to the double effects of gravity and airflow, and can be discharged through drain pipe 63.

[0033] Referring to Figure 2 and Figure 3 As shown in the figure, as an embodiment of the present application, the steam generating tank 5 comprises a tank body 51, the inner bottom of the tank body 51 is fixed with a ring pipe 52, the ring pipe 52 is communicated with the water pipe 12, the upper end of the ring pipe 52 is fixed with a plurality of heat exchange pipes 54, the outer surface of the heat exchange pipes 54 is provided with a plurality of fins at intervals, the middle part of the inside of the tank body 51 is fixed with a flame cylinder 53, the flame cylinder 53 is connected with the igniter 55 outside the tank body 51; when the steam generating tank 5 is working, the natural gas enters through the igniter 55, after ignition, the flame is sprayed out from the flame cylinder 53, the heat exchange pipes 54 are heated, so that the water in the heat exchange pipes 54 is rapidly evaporated to generate water vapor.

[0034] The upper end of the steam generating tank 5 is fixed with a steam collecting pipe 10, the steam collecting pipe 10 is communicated with the upper end of the plurality of heat exchange pipes 54, and is fixedly connected with a steam discharge pipe 11, the steam discharge pipe 11 extends out of the cabinet body 1; the water vapor generated by each heat exchange pipe 54 is converged through the steam collecting pipe 10, and is finally discharged through the steam discharge pipe 11.

[0035] Referring to Figure 2 As shown in the figure, as an embodiment of the present application, the outer side of the cabinet body 1 is provided with an air outlet assembly 4, the air outlet assembly 4 is used for discharging the flue gas in the flue gas condensing tank 6;

[0036] Specifically, the air outlet assembly 4 comprises a chimney 41 fixed at the outer end of the cabinet body 1, the lower end of the chimney 41 is fixed with an air outlet pipe 42, the air outlet pipe 42 extends into the cabinet body 1 and is communicated with the lower side of the flue gas condensing tank 6, the outer end of the air outlet pipe 42 is fixed with a fan 43, the fan 43 is used for discharging the gas from the flue gas condensing tank 6 to the chimney 41; the cooled flue gas in the flue gas condensing tank 6 is discharged by the chimney 41 after being guided by the fan 43, wherein the air outlet pipe 42 is connected at the lower side of the flue gas condensing tank 6, so as to ensure that the flue gas can move from top to bottom and be fully contacted and heat exchanged with the condensing pipe rack 62.

[0037] Referring to Figure 1 As shown in the figure, as an embodiment of the present application, the front end face of the cabinet body 1 is rotatably connected with a cabinet door 2, the upper side of the cabinet door 2 is provided with a transparent observation window 3.

[0038] The above has described one embodiment of the present application in detail, but the content described cannot be considered as used for limiting the implementation range of the present application. Any equivalent change and improvement made within the scope of the present application should still belong to the patent coverage range of the present application.

Claims

1. A gas steam generator with flue gas condensation, comprising a cabinet (1), characterized in that: The inside of the cabinet (1) is fixed with a steam generation tank (5), and the other side is fixed with a flue gas condensing tank (6), the steam generation tank (5) is used for entering the gas combustion to generate steam, the flue gas generated in the steam generation tank (5) is introduced into the flue gas condensing tank (6) through the air pipe (13); One end of the air pipe (13) is fixed on the upper end of one side of the steam generation tank (5), and the other end is fixedly connected with the upper end center of the flue gas condensing tank (6); The flue gas condensing tank (6) comprises a tank body two (61), a condensing pipe rack (62) is fixed in the tank body two (61), the condensing pipe rack (62) comprises two double-layer manifold pipes (621) arranged above and below, the double-layer manifold pipes (621) are arranged in double-layer concentric circle shape, and the inner and outer pipes are connected, a plurality of condensing pipes (622) are fixedly connected between the inner and outer pipes of the two double-layer manifold pipes (621), and the upper double-layer manifold pipe (621) is communicated with the steam generation tank (5) through the water pipe (12).

2. A gas steam generator with flue gas condensation according to claim 1, characterized in that: The steam generation tank (5) comprises a tank body one (51), the inner bottom of the tank body one (51) is fixed with a ring pipe (52), the ring pipe (52) is communicated with the water pipe (12), a plurality of heat exchange pipes (54) are fixed on the upper end of the ring pipe (52), a plurality of fins are arranged on the outer surface of the heat exchange pipe (54), a flame cylinder (53) is fixed in the middle of the inside of the tank body one (51), and the flame cylinder (53) is connected with the igniter (55) outside the tank body one (51).

3. A gas steam generator with flue gas condensation according to claim 2, characterized in that: The upper end of the steam generation tank (5) is fixed with a steam manifold pipe (10), the steam manifold pipe (10) is communicated with the upper ends of the plurality of heat exchange pipes (54), and is fixedly connected with a steam exhaust pipe (11), and the steam exhaust pipe (11) extends out of the cabinet (1).

4. A gas steam generator with flue gas condensation according to claim 1, characterized in that: The inside of the cabinet (1) is fixed with a water pump (7), the output end of the water pump (7) is fixed with a liquid outlet pipe (9), the liquid outlet pipe (9) is communicated with the lower double-layer manifold pipe (621), and the input end of the water pump (7) is fixed with a liquid inlet pipe (8).

5. A gas steam generator with flue gas condensation according to claim 1, characterized in that: The outside of the cabinet (1) is provided with an air outlet assembly (4), and the air outlet assembly (4) is used for discharging flue gas in the flue gas condensing tank (6).

6. A gas steam generator with flue gas condensation according to claim 5, characterized in that: The air outlet assembly (4) comprises a chimney (41) fixed on the outer end of the cabinet (1), the lower end of the chimney (41) is fixed with an air outlet pipe (42), the air outlet pipe (42) extends into the cabinet (1) and is communicated with the lower side of the flue gas condensing tank (6), the outer end of the air outlet pipe (42) is fixed with a fan (43), and the fan (43) is used for discharging gas from the flue gas condensing tank (6) to the chimney (41).

7. A gas steam generator with flue gas condensation according to claim 1, characterized in that: The front end face of the cabinet (1) is rotatably connected with a cabinet door (2), and the upper side of the cabinet door (2) is provided with a transparent observation window (3).

8. A gas steam generator with flue gas condensation according to claim 1, characterized in that: The lower end of the tank body two (61) is in the shape of a circular truncated cone, and is fixedly connected with a drain pipe (63).

Images