Low-emission gas-steam boiler

Abstract

The utility model discloses a low emission fuel gas steam boiler relates to steam boiler technical field, including operating frame, water tank and boiler body, water tank is fixed on the inner wall of operating frame through two first mount, boiler body is fixed on the inner wall of water tank through second mount, and the boiler body is fixed on the inner wall of operating frame through second mount. And the side wall of the water tank is fixedly sleeved with a plurality of gas guide pipes, the side wall of the boiler body is fixedly sleeved with a hot gas pipe, and a gas collecting plate is fixedly arranged on the inner wall of the operation frame through a third fixing frame. Through the water tank and the multiple air guide pipes, the two air supply mechanisms can smoothly guide hot air exhausted by the boiler body into the multiple air guide pipes, the multiple air guide pipes can convey the hot air into water subjected to heat treatment in advance, then the water can be continuously heated, and through the heat transfer effect, the hot air in the boiler body can be discharged out of the boiler body. The heating effect of the boiler body can be improved, waste heat of waste gas can be recycled, and certain energy is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of steam boilers, in particular to a low-emission gas steam boiler. Background Art

[0002] A steam boiler refers to a boiler equipment that produces steam. A gas-fired steam boiler is a heat energy conversion equipment that uses gaseous fuels such as natural gas, liquefied gas and city gas as fuel. The heat released by burning in the furnace heats the water in the pot and vaporizes it into steam.

[0003] After searching, the gas steam boiler with publication number CN212746422U includes a gas steam boiler body, the bottom of the gas steam boiler body is fixedly connected with a supporting foot, one end of the supporting foot is fixedly connected with a supporting frame, the bottom of the supporting frame is fixedly connected with a base, the front of the gas steam boiler body is fixedly connected with a climbing mounting rod, the outer wall of the climbing mounting rod is fixedly connected with a climbing board, and the top of the gas steam boiler body is fixedly connected with a guardrail vertical rod.

[0004] However, the existing gas steam boiler has certain disadvantages when in use. The gas boiler will generate a large amount of high-temperature flue gas when in use, which will cause certain harm to the environment. In addition, the heat inside the high-temperature gas cannot be recycled, which will also cause certain energy losses. Utility Model Content

[0005] In view of the above problems existing in the existing gas steam boiler, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a low-emission gas steam boiler, which solves the problem that the gas boiler generates a large amount of high-temperature flue gas when in use, the high-temperature flue gas will cause certain harm to the environment, and the heat inside the high-temperature gas cannot be recycled, which will also cause certain energy losses.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A low-emission gas steam boiler comprises an operating frame, a water tank and a boiler body, wherein the water tank is fixedly arranged on the inner wall of the operating frame by two first fixing frames, and the boiler body is fixedly arranged on the inner wall of the water tank by a second fixing frame, a plurality of air guide pipes are fixedly sleeved on the side wall of the water tank, a hot air pipe is fixedly sleeved on the side wall of the boiler body, an air collecting plate is fixedly arranged on the inner wall of the operating frame by a third fixing frame, one end of the hot air pipe penetrates into the interior of the air collecting plate and is fixedly connected to the air collecting plate, and two air supply mechanisms are symmetrically arranged on the side wall of the operating frame, and each of the air guide pipes is matched with a corresponding air supply mechanism.

[0009] Preferably, each of the air delivery mechanisms includes an air pump, a first conduit, a second conduit and a transfer valve. The air pump is fixedly arranged on the inner wall of the operating frame, one end of the first conduit passes through the interior of the air collecting plate and is fixedly connected to the air collecting plate, the other end of the first conduit is fixedly connected to the air inlet end of the air pump, one end of the second conduit is fixedly connected to the air outlet end of the air pump, the other end of the second conduit is fixedly connected to the air inlet end of the transfer valve, and the air outlet end of the transfer valve is fixedly connected to the corresponding air guide pipe.

[0010] Preferably, the inner wall of the gas collecting plate is symmetrically provided with two slots, and a filter plate is placed between the two slots.

[0011] Preferably, a connecting tube is fixedly sleeved on the side wall of each of the air guide tubes.

[0012] Preferably, two air outlet holes are symmetrically provided on the inner wall of the water tank.

[0013] Preferably, a heat-insulating layer is fixedly provided on the outer wall of the water tank, and the heat-insulating layer is a polyurethane foam layer.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model, through the water tank and multiple air guide pipes, two air supply mechanisms can smoothly guide the hot air discharged from the boiler body into the interior of the multiple air guide pipes. The multiple air guide pipes can transport the hot air to the pre-heat-treated water, thereby continuously heating the water. Through the heat transfer effect, not only the heating effect of the boiler body can be improved, but also the waste heat of the exhaust gas can be recovered and used, saving a certain amount of energy.

[0016] 2. The utility model, by providing an air pump, a first conduit and a second conduit, starts the air pump to smoothly transport the hot air inside the air collecting plate to the inside of multiple air ducts through the first conduit, the second conduit and the switching valve, thereby ensuring that the multiple air ducts can smoothly discharge the hot air into the water tank.

[0017] 3. In the utility model, through the filter plate, two slots are symmetrically opened on the inner wall of the gas collecting plate, and a filter plate is placed between the two slots. The filter plate can filter the exhaust gas inside the gas collecting plate to prevent impurities from affecting the normal transportation of hot air. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is the front view of the utility model;

[0020] Figure 2 For the utility model Figure 1 A schematic cross-sectional structure diagram of ;

[0021] Figure 3 For the utility model Figure 2 Enlarged view of part A.

[0022] Description of reference numerals:

[0023] 1. Operation frame; 2. Water tank; 3. Boiler body; 4. Air guide pipe; 5. Hot air pipe; 6. Air collecting plate; 7. Air pump; 8. First conduit; 9. Second conduit; 10. Transfer valve; 11. Filter plate; 12. Connecting pipe; 13. Insulation layer. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model embodiment discloses a low-emission gas steam boiler.

[0026] The utility model provides Figure 1-3 A low-emission gas steam boiler is shown, comprising an operating frame 1, a water tank 2 and a boiler body 3, the water tank 2 is fixedly arranged on the inner wall of the operating frame 1 by two first fixing frames, the boiler body 3 is fixedly arranged on the inner wall of the water tank 2 by a second fixing frame, a plurality of air guide pipes 4 are fixedly sleeved on the side wall of the water tank 2, a hot air pipe 5 is fixedly sleeved on the side wall of the boiler body 3, an air collecting plate 6 is fixedly arranged on the inner wall of the operating frame 1 by a third fixing frame, one end of the hot air pipe 5 penetrates into the interior of the air collecting plate 6 and is fixedly connected to the air collecting plate 6, two air supply mechanisms are symmetrically arranged on the side wall of the operating frame 1, and each air guide pipe 4 is matched with a corresponding air supply mechanism.

[0027] In order to ensure that the multiple air ducts 4 can smoothly discharge the hot air into the water tank 2, as shown in FIG. Figure 1-3 As shown, each air supply mechanism includes an air pump 7, a first conduit 8, a second conduit 9 and a switching valve 10. The air pump 7 is fixedly arranged on the inner wall of the operating frame 1. One end of the first conduit 8 passes through the interior of the air collecting plate 6 and is fixedly connected to the air collecting plate 6. The other end of the first conduit 8 is fixedly connected to the air inlet end of the air pump 7. One end of the second conduit 9 is fixedly connected to the air outlet end of the air pump 7. The other end of the second conduit 9 is fixedly connected to the air inlet end of the switching valve 10. The air outlet end of the switching valve 10 is fixedly connected to the corresponding air guide pipe 4.

[0028] In order to filter the exhaust gas inside the gas collecting plate 6 and prevent impurities from affecting the normal transportation of hot gas, Figure 1-2 As shown, two slots are symmetrically formed on the inner wall of the gas collecting plate 6, and a filter plate 11 is placed between the two slots.

[0029] In order to increase the contact area between high-temperature gas and water and increase the speed of water heating, such as Figure 1-3 As shown, a connecting tube 12 is fixedly sleeved on the side wall of each air guide tube 4 .

[0030] In order to ensure that the air pressure inside and outside the water tank 2 is the same, Figure 1-3 As shown, two air outlet holes are symmetrically provided on the inner wall of the water tank 2.

[0031] Finally, in order to improve the thermal insulation effect of the water tank 2 and reduce the heat loss of the water tank 2, Figure 1-3 As shown, a heat-insulating layer 13 is fixedly provided on the outer wall of the water tank 2, and the heat-insulating layer 13 is a polyurethane foam layer.

[0032] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A low-emission gas steam boiler, comprising an operating frame (1), a water tank (2) and a boiler body (3), characterized in that: The water tank (2) is fixedly arranged on the inner wall of the operating frame (1) through two first fixing frames, the boiler body (3) is fixedly arranged on the inner wall of the water tank (2) through a second fixing frame, a plurality of air guide pipes (4) are fixedly sleeved on the side wall of the water tank (2), a hot air pipe (5) is fixedly sleeved on the side wall of the boiler body (3), an air collecting plate (6) is fixedly arranged on the inner wall of the operating frame (1) through a third fixing frame, one end of the hot air pipe (5) passes through the interior of the air collecting plate (6) and is fixedly connected to the air collecting plate (6), two air supply mechanisms are symmetrically arranged on the side wall of the operating frame (1), and each of the air guide pipes (4) is matched with a corresponding air supply mechanism.

2. A low-emission gas steam boiler according to claim 1, characterized in that: Each of the air supply mechanisms comprises an air pump (7), a first conduit (8), a second conduit (9) and a switching valve (10); the air pump (7) is fixedly arranged on the inner wall of the operating frame (1); one end of the first conduit (8) passes through the interior of the air collecting plate (6) and is fixedly connected to the air collecting plate (6); the other end of the first conduit (8) is fixedly connected to the air inlet end of the air pump (7); one end of the second conduit (9) is fixedly connected to the air outlet end of the air pump (7); the other end of the second conduit (9) is fixedly connected to the air inlet end of the switching valve (10); and the air outlet end of the switching valve (10) is fixedly connected to the corresponding air guide pipe (4).

3. A low-emission gas steam boiler according to claim 1, characterized in that: Two slots are symmetrically formed on the inner wall of the gas collecting plate (6), and a filter plate (11) is placed between the two slots.

4. A low-emission gas steam boiler according to claim 1, characterized in that: A connecting pipe (12) is fixedly sleeved on the side wall of each air guide tube (4).

5. The low-emission gas steam boiler according to claim 1, characterized in that: Two air outlet holes are symmetrically provided on the inner wall of the water tank (2).

6. A low-emission gas steam boiler according to claim 1, characterized in that: The outer wall of the water tank (2) is fixedly provided with a heat-insulating layer (13), and the heat-insulating layer (13) is a polyurethane foam layer.

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