Smoke exhaust device of low-nitrogen hot water boiler for rail transit

Abstract

The utility model relates to the technical field of boiler smoke exhaust, in particular to a low-nitrogen hot water boiler smoke exhaust device for rail transit, which comprises a device frame body, an energy-saving component is arranged in the device frame body, a smoke exhaust component is arranged in the device frame body, the energy-saving component comprises a heat insulation layer, the heat insulation layer is arranged in the device frame body, and the smoke exhaust component is arranged in the device frame body. And heat insulation cotton is fixedly connected to the interior of the heat insulation layer. According to the low-nitrogen hot water boiler smoke exhaust device for the rail transit, by installing the energy-saving assembly, heat insulation cotton in the heat insulation layer can contain heat of smoke in the device frame body, then when smoke generated by a low-nitrogen hot water boiler passes through the interior of the device frame body, a spiral water passing pipe can be heated through residual heat, and the smoke generated by the low-nitrogen hot water boiler can be exhausted through the spiral water passing pipe; and at the moment, external water liquid is input from the water inlet pipe, is heated by the circulating spiral water passing pipe and then is output from the water outlet pipe, so that smoke with heat can also heat the water liquid, and the energy-saving effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler smoke exhaust, in particular to a low-nitrogen hot water boiler smoke exhaust device for rail transportation. Background Art

[0002] With the development of the times, people's development area is getting wider and wider, and rail transit has contributed greatly to this. Nowadays, the number of tracks laid has increased, and these rail equipment are often equipped with low-nitrogen hot water boilers, which can provide hot water for air conditioning and radiator systems. It has relatively higher safety, high efficiency and energy saving, and can provide hot water at different temperatures. Therefore, it is necessary to use a low-nitrogen hot water boiler smoke exhaust device for rail transit.

[0003] Most of the existing smoke exhaust devices of low-nitrogen hot water boilers discharge the generated smoke after purification, but the smoke still contains a large amount of heat. This exhaust method is not conducive to energy saving of low-nitrogen hot water boilers. Utility Model Content

[0004] The purpose of the present invention is to provide a low-nitrogen hot water boiler smoke exhaust device for rail transit, so as to solve the problem that the existing low-nitrogen hot water boiler smoke exhaust devices proposed in the above background technology mostly purify the smoke body generated and then discharge it, but its smoke body still contains a large amount of heat, and such a discharge method is not convenient for energy saving of low-nitrogen hot water boilers. In order to achieve the above purpose, the present invention provides the following technical solutions: A low-nitrogen hot water boiler smoke exhaust device for rail transit, comprising a device frame, an energy-saving component is arranged inside the device frame, a smoke exhaust component is arranged inside the device frame, the energy-saving component includes a heat insulation layer, the heat insulation layer is opened inside the device frame, the heat insulation layer is fixedly connected to the inside of the heat insulation layer with heat insulation cotton, the inside of the device frame is fixedly connected to a spiral water pipe, one end of the spiral water pipe is fixedly connected to a water inlet pipe, one end of the water inlet pipe passes through the device frame and extends to the front of the device frame, the other end of the spiral water pipe is fixedly connected to a water outlet pipe, one end of the water outlet pipe passes through the device frame and extends to the top of the device frame.

[0005] Further preferably, the energy-saving component also includes an interlocking groove, which is opened and closed on the inner wall of the device frame, and the spiral water pipe is clamped inside the interlocking groove. By installing the energy-saving component, the insulation cotton in the insulation layer can include the heat of the flue gas inside the device frame, and then when the flue gas generated by the low-nitrogen hot water boiler passes through the inside of the device frame, the spiral water pipe can be heated by the remaining heat. At this time, the external water is input from the water inlet pipe, and after circulating through the spiral water pipe for heating, it is output from the water outlet pipe, so that the flue gas with heat can also be used to heat the water, thereby improving the energy-saving effect.

[0006] Further preferably, the smoke exhaust component includes a first filter plate, which is clamped inside the device frame, and a second filter plate is clamped inside the device frame. The smoke exhaust component also includes a smoke ventilation pipe, which is fixedly connected to the top of the device frame, and the top of the smoke ventilation pipe is fixedly connected to a rain shield. By installing the smoke exhaust component, the first filter plate and the second filter plate in the device frame can filter the exhausted smoke again, so that large particles in the smoke are blocked, and then the smoke will be discharged along the smoke ventilation pipe. The rain shield on the top of the smoke ventilation pipe can prevent rainwater from directly entering the rail tool during the forward movement, thereby improving practicality.

[0007] Further preferably, a storage bin is provided at the bottom of the device frame, and a dust exhaust pipe is fixedly connected to the bottom of the storage bin. By installing the storage bin, large particles blocked by the first filter plate and the second filter plate can fall into the storage bin due to gravity, and the staff can open the control valve in the dust exhaust pipe to discharge and clean them, thereby improving convenience.

[0008] Further preferably, a mounting base is fixedly connected to the side surface of the device frame, a sealing gasket is fixedly connected to one side of the mounting base, and a control panel is fixedly connected to the front of the device frame. By installing the mounting base, the device can be installed and connected to the low-nitrogen hot water boiler using the mounting bolts in the mounting base, and then the staff uses the control panel to control the control valve.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] In the present invention, by installing energy-saving components, the heat-insulating cotton in the insulation layer can include the heat of the flue gas inside the device frame. Then, when the flue gas generated by the low-nitrogen hot water boiler passes through the inside of the device frame, the spiral water pipe can be heated by the remaining heat. At this time, the external water is input from the water inlet pipe, and after circulating through the spiral water pipe for heating, it is output from the water outlet pipe, so that the flue gas with heat can also heat the water, thereby improving the energy-saving effect.

[0011] In the present invention, by installing the smoke exhaust component, the first filter plate and the second filter plate in the device frame can filter the exhausted smoke again, so that large particles in the smoke are blocked, and then the smoke will be discharged along the smoke duct. The rain shield on the top of the smoke duct can prevent rainwater from directly entering the rail tool during its forward movement, thereby improving its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 ;

[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 3 For this utility model Figure 2 A in the middle is an enlarged structural diagram;

[0015] Figure 4 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 ;

[0016] Figure 5 This is a schematic diagram of the three-dimensional structure of the utility model Figure 3 .

[0017] In the figure: 1. Device frame; 2. Energy-saving component; 201. Insulation layer; 202. Insulation cotton; 203. Spiral water pipe; 204. Water inlet pipe; 205. Water outlet pipe; 206. Fitting groove; 3. Smoke exhaust component; 301. First filter plate; 302. Second filter plate; 303. Smoke duct; 304. Rain shield; 4. Storage bin; 5. Dust exhaust duct; 6. Installation base plate; 7. Sealing gasket; 8. Control panel. DETAILED DESCRIPTION

[0018] 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 technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 5 The utility model provides a technical solution: a low-nitrogen hot water boiler smoke exhaust device for rail transit, comprising a device frame 1, an energy-saving component 2 is arranged inside the device frame 1, a smoke exhaust component 3 is arranged inside the device frame 1, the energy-saving component 2 includes a heat insulation layer 201, the heat insulation layer 201 is opened inside the device frame 1, and the heat insulation cotton 202 is fixedly connected to the inside of the heat insulation layer 201, the inside of the device frame 1 is fixedly connected with a spiral water pipe 203, one end of the spiral water pipe 203 is fixedly connected with a water inlet pipe 204, one end of the water inlet pipe 204 passes through the device frame 1 and extends to the front of the device frame 1, the other end of the spiral water pipe 203 is fixedly connected with a water outlet pipe 205, and one end of the water outlet pipe 205 passes through the device frame 1 and extends to the top of the device frame 1.

[0020] In this embodiment, Figure 1 、 Figure 2 and Figure 4As shown, the energy-saving component 2 also includes an interlocking groove 206, which opens and closes on the inner wall of the device frame 1, and the spiral water pipe 203 is clamped inside the interlocking groove 206. By installing the energy-saving component 2, the heat-insulating cotton 202 in the insulation layer 201 can include the heat of the flue gas inside the device frame 1, and then when the flue gas generated by the low-nitrogen hot water boiler passes through the inside of the device frame 1, the spiral water pipe 203 can be heated by the remaining heat. At this time, the external water is input from the water inlet pipe 204, and after circulating through the spiral water pipe 203 for heating, it is output from the water outlet pipe 205, so that the flue gas with heat can also be used to heat the water.

[0021] In this embodiment, Figure 2 、 Figure 4 and Figure 5 As shown, the smoke exhaust component 3 includes a first filter plate 301, which is clamped inside the device frame 1, and a second filter plate 302 is clamped inside the device frame 1. The smoke exhaust component 3 also includes a smoke duct 303, which is fixedly connected to the top of the device frame 1, and a rain shield 304 is fixedly connected to the top of the smoke duct 303. By installing the smoke exhaust component 3, the first filter plate 301 and the second filter plate 302 in the device frame 1 can filter the exhausted smoke again, so that large particles in the smoke are blocked, and then the smoke will be discharged along the smoke duct 303. The rain shield 304 on the top of the smoke duct 303 can prevent rainwater from directly entering the rail tool while it is moving forward.

[0022] In this embodiment, Figure 2 、 Figure 4 and Figure 5 As shown, a storage bin 4 is provided at the bottom of the device frame 1, and a dust exhaust pipe 5 is fixedly connected to the bottom of the storage bin 4. By installing the storage bin 4, large particles blocked by the first filter plate 301 and the second filter plate 302 can fall into the storage bin 4 due to gravity, and the staff can open the control valve in the dust exhaust pipe 5 to discharge and clean them.

[0023] In this embodiment, Figure 1 、 Figure 2 and Figure 3 As shown, a mounting base plate 6 is fixedly connected to the side surface of the device frame 1, a sealing gasket 7 is fixedly connected to one side of the mounting base plate 6, and a control panel 8 is fixedly connected to the front of the device frame 1. By installing the mounting base plate 6, the device can be installed and connected to the low-nitrogen hot water boiler using the mounting bolts in the mounting base plate 6, and then the staff uses the control panel 8 to control the control valve.

[0024] The use method and advantages of this utility model: When the low-nitrogen hot water boiler smoke exhaust device for rail transit is used, the working process is as follows:

[0025] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, first, by installing the energy-saving component 2, the heat-insulating cotton 202 in the heat-insulating layer 201 can include the heat of the flue gas inside the device frame 1, and then when the flue gas generated by the low-nitrogen hot water boiler passes through the inside of the device frame 1, the spiral water pipe 203 can be heated by the remaining heat. At this time, the external water is input from the water inlet pipe 204, and after circulating through the spiral water pipe 203 and being heated, it is output from the water outlet pipe 205, so that the flue gas with heat can also be heated by the water. Then, by installing the smoke exhaust component 3, the first filter plate 301 and the second filter plate 302 in the device frame 1 can filter the exhausted flue gas again, so that the flue gas can be filtered again. The large particles in the air are blocked, and then the smoke will be discharged along the smoke duct 303. The rainproof roof 304 on the top of the smoke duct 303 can prevent rainwater from directly entering the rail tool during the forward movement. Then, by installing the storage bin 4, the large particles blocked by the first filter plate 301 and the second filter plate 302 can fall into the storage bin 4 due to gravity. The staff can open the control valve in the dust exhaust duct 5 to discharge and clean it. Then, by installing the installation base plate 6, the installation bolt in the installation base plate 6 can be used to install and connect the device to the low-nitrogen hot water boiler. Then the staff uses the control panel 8 to control the control valve.

[0026] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-nitrogen hot water boiler smoke exhaust device for rail transit, comprising a device frame (1), characterized in that: An energy-saving component (2) is provided inside the device frame (1), and a smoke exhaust component (3) is provided inside the device frame (1). The energy-saving component (2) includes a heat insulation layer (201), the heat insulation layer (201) is opened inside the device frame (1), and the heat insulation cotton (202) is fixedly connected inside the heat insulation layer (201). The inside of the device frame (1) is fixedly connected with a spiral water pipe (203), one end of the spiral water pipe (203) is fixedly connected with a water inlet pipe (204), one end of the water inlet pipe (204) passes through the device frame (1) and extends to the front of the device frame (1), and the other end of the spiral water pipe (203) is fixedly connected with a water outlet pipe (205), and one end of the water outlet pipe (205) passes through the device frame (1) and extends to the top of the device frame (1).

2. The low-nitrogen hot water boiler smoke exhaust device for rail transit according to claim 1, characterized in that: The energy-saving component (2) further comprises an interlocking groove (206), wherein the interlocking groove (206) is opened and closed on the inner wall of the device frame (1), and the spiral water pipe (203) is clamped inside the interlocking groove (206).

3. The low-nitrogen hot water boiler smoke exhaust device for rail transit according to claim 2, characterized in that: The smoke exhaust assembly (3) comprises a first filter plate (301), the first filter plate (301) being clamped inside the device frame (1), and a second filter plate (302) being clamped inside the device frame (1).

4. The low-nitrogen hot water boiler smoke exhaust device for rail transit according to claim 1, characterized in that: The smoke exhaust assembly (3) further comprises a smoke duct (303), wherein the smoke duct (303) is fixedly connected to the top of the device frame (1), and the top of the smoke duct (303) is fixedly connected to a rainproof roof (304).

5. The low-nitrogen hot water boiler smoke exhaust device for rail transit according to claim 1, characterized in that: A storage bin (4) is provided at the bottom of the device frame (1), and a dust exhaust pipe (5) is fixedly connected to the bottom of the storage bin (4).

6. The low-nitrogen hot water boiler smoke exhaust device for rail transit according to claim 1, characterized in that: A mounting base plate (6) is fixedly connected to the side surface of the device frame (1), a sealing gasket (7) is fixedly connected to one side of the mounting base plate (6), and a control panel (8) is fixedly connected to the front of the device frame (1).

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