CN215216311U

CN215216311U - Heat exchange device for improving air inlet temperature of boiler

Info

Publication number: CN215216311U
Application number: CN202120146769.XU
Authority: CN
Inventors: 马志伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-17
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to a indirect heating equipment field, more specifically relates to an improve heat transfer device of boiler air inlet temperature. The method comprises the following steps: the smoke tube is a square tube body, a smoke inlet and a smoke outlet are formed in the side faces of the two ends of the smoke tube, the smoke inlet is connected to a boiler smoke exhaust tube, the fan is installed at the smoke outlet of the smoke tube, the roller is connected to the outer side of the two ends of the smoke tube in a rotating mode, the roller is driven by the motor to rotate, the conveyor belt is wound on the roller together, the conveyor belt passes through the upper portion of the smoke tube, the funnel is arranged at one end of the upper portion of the smoke tube, the heat insulation plate covers the upper portion of the smoke tube, the air exhaust tube transversely penetrates through the side face of the smoke tube, and the air blower is connected to one end of the air exhaust tube. The device can preheat the fuel and air fed into the boiler, reduce temperature difference and reduce the loss of boiler energy.

Description

Heat exchange device for improving air inlet temperature of boiler

Technical Field

The utility model relates to a indirect heating equipment field, more specifically relates to an improve heat transfer device of boiler air inlet temperature.

Background

The boiler is a common energy conversion device, chemical energy can be converted into heat energy in a combustion mode, one part of the heat energy generated by combustion can be used by human behaviors, and the other part of the heat energy can be dissipated into the air in various modes, so that the generated heat energy cannot be fully used, and waste of the heat energy is caused. In addition, when carrying out the boiler and using in chilly area, because the inside and outside difference in temperature of boiler increases, can make the heat energy that the fuel produced partly can be used for filling this difference in temperature, does not receive the influence for guaranteeing human normal living activity, will make the use amount of fuel increase, has increased use cost, for reduce cost, just need preheat the intensification to the surrounding environment of boiler, promotes the utilization ratio of fuel.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of improve heat transfer device of boiler air inlet temperature aims at solving the technical problem that exists among the prior art at least, uses the unnecessary energy that scatters and disappears to preheat the environment of boiler, promotes the utilization ratio of fuel.

In order to achieve the above object, the technical scheme of an aspect of the utility model provides an improve heat transfer device of boiler air inlet temperature, include: the coal-fired boiler comprises a smoke pipe, a fan, a motor, a roller, a conveyor belt, a hopper, a heat-insulating plate, an air supply pipe and an air blower, wherein the smoke pipe is a square pipe body, the side surfaces of two ends of the smoke pipe are provided with a smoke inlet and a smoke outlet, the smoke inlet is connected to a smoke exhaust pipe of the boiler, smoke generated in the use process of the boiler can enter the smoke pipe from the smoke inlet, the smoke generated by the boiler has heat and is introduced into the smoke pipe to enable the temperature of the smoke pipe to rise, the fan is installed at the smoke outlet of the smoke pipe to promote the flow of the smoke and reduce the internal pressure of the smoke pipe, the outer sides of the two ends of the smoke pipe are rotatably connected with the roller, the roller is driven by the motor to rotate, the conveyor belt is wound on the two rollers together, the conveyor belt passes through the smoke pipe, the conveyor belt is used for conveying coal used by the boiler, and the coal can be preheated by the smoke pipe to a certain degree in the conveying process, the temperature difference that the fire coal reaches the ignition point is reduced, the funnel is arranged at one end above the smoke tube, the fire coal is conveniently placed on the conveyor belt, the insulation board is covered above the smoke tube and can insulate the preheated fire coal, the air supply pipe transversely penetrates through the lateral surface of the smoke tube, the temperature of the air entering the boiler is improved to a certain extent under the action of the smoke tube, one end of the air supply pipe is connected with the air blower, the preheated air can be sent into the boiler, and the energy waste is reduced.

The utility model provides a pair of improve heat transfer device of boiler air inlet temperature, moreover, the steam generator is simple in structure, convenience and practicality, the heat that carries in can make full use of boiler exhaust flue gas, the mode that adopts the heat exchange preheats the fire coal and the air of sending into in the boiler, the difference in temperature of external environment and boiler internal environment has been reduced, be favorable to the abundant burning of fuel, the thermal efficiency has been promoted, thereby the consumption of the fuel that reduces, the body temperature of feeling in the human use has been promoted, be favorable to practicing thrift manufacturing cost, promote holistic profit rate.

Additionally, the utility model provides an above-mentioned technical scheme provides an improve heat transfer device of boiler air inlet temperature still has following technical characteristic:

as an optimized proposal of the utility model, the baffles are arranged at the two sides above the smoke tube, which can prevent the coal from falling from the two sides in the moving process and causing waste.

As the utility model discloses a preferred scheme, the blast pipe is continuous S type return bend, can preheat the air many times, promotes heat exchange efficiency.

As a preferred scheme of the utility model, the side of tobacco pipe has the subplate, the air-blower is installed on the subplate, can avoid the random removal of air-blower position.

As an optimized scheme of the utility model, the mounted position of funnel with the conveyer belt is in the motion opposite direction of tobacco pipe top can prolong coal-fired preheating time.

As an optimized proposal of the utility model, the blast pipe is connected with the import of air-blower, the exit linkage of air-blower is to the boiler, can send into the boiler with the air that preheats.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the device of this application, compare with current heat transfer device, this device can not only promote air supply temperature, but also can carry out preheating of certain degree to the fire coal to further abundant realization heat transfer has promoted the efficiency of heat transfer, thereby makes the air and the fire coal of sending into the boiler all have certain temperature, has reduced the temperature difference that reachs combustion temperature, thereby has realized the promotion of combustion efficiency, has practiced thrift the energy, the cost is reduced.

Drawings

Fig. 1 is a schematic view of a first structure of the present invention;

fig. 2 is a second schematic structural view of the present invention;

fig. 3 is a schematic view of a third structure of the present invention;

FIG. 4 is a schematic structural view of the motor, the roller and the conveyor belt of the present invention;

fig. 5 is a schematic structural view of the blast pipe and the blower of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:

1 smoke pipe, 101 smoke inlet, 102 smoke outlet, 103 connecting plate, 104 baffle, 105 auxiliary plate, 2 blower, 3 motor, 4 roller, 5 conveyer belt, 6 funnel, 7 heat preservation plate, 8 blast pipe, 9 blower.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A heat exchange device for increasing the temperature of the inlet air of a boiler according to some embodiments of the present invention will be described with reference to fig. 1 to 5.

As shown in fig. 1-5, according to the utility model discloses a heat transfer device who improves boiler inlet air temperature that some embodiments provided, include: the smoke tube 1 is a rectangular hollow tube body, two ends of the smoke tube 1 are sealed, a smoke inlet 101 and a smoke outlet 102 are formed in the side faces of two ends of the smoke tube 1, the smoke inlet 101 is directly connected to a boiler smoke exhaust tube, smoke generated by the boiler enters the smoke tube 1, the smoke generated in the use process of the boiler enters the smoke tube 1 from the smoke inlet 101, the smoke generated by the boiler has heat, the temperature of the smoke tube 1 can be increased when the smoke tube is introduced into the smoke tube, the fan 2 is installed at the smoke outlet 102 of the smoke tube 1, the fan 2 rotates to promote the flow of the smoke, the internal pressure of the smoke tube is reduced, the smoke is prevented from being accumulated in the smoke tube 1, the outer sides of two ends of the smoke tube 1 are rotatably connected with the roller 4 through a connecting plate 103, the roller 4 is driven to rotate by the motor 3, the motor 3 is installed on the connecting plate 103, the two rollers 4 are wound with the conveyor belt 5 together, the conveyor belt 5 passes through the upper part of the smoke tube 1, the conveyor belt 5 is driven by the motor 3 to rotate, the conveyor belt 5 is used for conveying the fire coal used by the boiler, the fire coal can be preheated to a certain degree by the smoke tube 1 in the conveying process, the temperature difference of the fire coal reaching the ignition point is reduced, one end of the upper part of the smoke tube 1 is provided with the hopper 6, the fire coal can be conveniently placed on the conveyor belt 5, the scattering in the fire coal placing process is reduced, the installation position of the hopper 6 is opposite to the movement direction of the conveyor belt 5 above the smoke tube 1, the preheating time of the fire coal can be prolonged, the two sides of the upper part of the smoke tube 1 are provided with the baffle plates 104, the waste caused by the fire coal falling from the two sides in the moving process can be prevented, the upper part of the smoke tube 1 is covered with the heat insulation plate 7, the heat insulation of the preheated fire coal can be prevented from being blown, the temperature is prevented from being reduced, and the blast pipe 8 transversely penetrates through the side surface of the smoke tube 1, the direction of blast pipe 8 is mutually perpendicular with the flow direction of cigarette, make the temperature that gets into the boiler apoplexy obtain the certain degree under tobacco pipe 1' S effect and improve, blast pipe 8 is continuous S type return bend, can preheat the air many times, promote heat exchange efficiency, the one end of blast pipe 8 is connected with air-blower 9, can send the air after preheating into in the boiler, reduce the waste of energy, blast pipe 8 is connected with the import of air-blower 9, the exit linkage of air-blower 9 is in the boiler, can send the air of preheating into in the boiler, the side of tobacco pipe 1 has subplate 105, air-blower 9 installs on subplate 105, can avoid the random removal of air-blower 9 position.

The using method comprises the following steps: the smoke inlet 101 of the smoke tube 1 is connected to the smoke outlet of the boiler, smoke generated by the boiler can enter the device to heat the device, the fan 2 operates to enable the smoke in the smoke tube 1 to flow, fire coal is placed on the conveyor belt 5 through the hopper 6, the motor 3 rotates to enable the conveyor belt 5 to move and drive the fire coal to move, and therefore the remote conveying of the fire coal can be carried out, manpower is reduced, the fire coal can be preheated, and combustion is convenient; the air outlet of the blower 9 is connected to the boiler, the blower 9 operates, so that air sucked from the outside can be preheated to a certain degree in the blast pipe 8 and then enters the boiler to support combustion, the energy loss in the boiler is reduced, and the combustion in the boiler is facilitated.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance: the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an improve boiler inlet air temperature's heat transfer device which characterized in that includes: the smoke tube is a square tube body, a smoke inlet and a smoke outlet are formed in the side faces of the two ends of the smoke tube, the smoke inlet is connected to a boiler smoke exhaust tube, the fan is installed at the smoke outlet of the smoke tube, the roller is connected to the outer side of the two ends of the smoke tube in a rotating mode, the roller is driven by the motor to rotate, the conveyor belt is wound on the roller together, the conveyor belt passes through the upper portion of the smoke tube, the funnel is arranged at one end of the upper portion of the smoke tube, the heat insulation plate covers the upper portion of the smoke tube, the air exhaust tube transversely penetrates through the side face of the smoke tube, and the air blower is connected to one end of the air exhaust tube.

2. The heat exchange device for increasing the inlet air temperature of the boiler according to claim 1, wherein: the two sides above the smoke pipe are provided with baffles.

3. The heat exchange device for increasing the inlet air temperature of the boiler according to claim 1, wherein: the blast pipe is a continuous S-shaped bent pipe.

4. The heat exchange device for increasing the inlet air temperature of the boiler according to claim 1, wherein: the side of the smoke tube is provided with an auxiliary plate, and the blower is installed on the auxiliary plate.

5. The heat exchange device for increasing the inlet air temperature of the boiler according to claim 1, wherein: the funnel is arranged at the position opposite to the moving direction of the conveyor belt above the smoke tube.

6. The heat exchange device for increasing the inlet air temperature of the boiler according to claim 1, wherein: the air supply pipe is connected with an inlet of the blower, and an outlet of the blower is connected into the boiler.