CN214198613U

CN214198613U - Energy-saving and environment-friendly boiler for power plant

Info

Publication number: CN214198613U
Application number: CN202120220439.0U
Authority: CN
Inventors: 鲁士林; 杨志
Original assignee: Harbin Dingming Power Engineering Co ltd
Current assignee: Harbin Dingming Power Engineering Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-14
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses an energy-saving and environment-friendly boiler for a power plant, which belongs to the technical field of boilers and comprises a boiler body, a fan, a burner, an exhaust pipe and a cooling tank, wherein the burner is arranged on the left side of the boiler body, the top of the burner is communicated with the fan through an air pipe, and the top of the boiler body is communicated with the cooling water tank through the exhaust pipe; the bottom of the combustor is communicated with an external gas source through a gas pipe; the high-temperature waste gas used by the device is discharged through the exhaust pipe, redistributed through the gas distribution pipe and fully contacted with cooling water in the cooling box; performing water bath cooling, filtering and discharging from a sundry discharging pipe at the top of the cooling box; this device passes through the heat exchanger fin with the high temperature waste gas heat in the blast pipe in transmitting the air hose, preheats the outside air that lets in the air hose to improve the air temperature with the gas contact, be favorable to improving the whole heat utilization efficiency of device.

Description

Energy-saving and environment-friendly boiler for power plant

Technical Field

The utility model relates to a boiler technical field specifically is an energy-concerving and environment-protective boiler is used to power plant.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. Steam is generated through a steam boiler in a common power plant, and is converted into mechanical energy through a steam power device, and the mechanical energy is converted into electric energy through a generator set.

However, the existing power plant boiler is simple in structure, usually, only steam is simply utilized for electric energy conversion, so that the heat utilization efficiency of the whole boiler equipment is low, meanwhile, high-temperature waste gas generated by the boiler can also cause certain influence on the environment, and therefore, the energy-saving and environment-friendly boiler for the power plant is required to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-concerving and environment-protective boiler is used to power plant to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an energy-saving and environment-friendly boiler for a power plant comprises a boiler body, a fan, a burner, an exhaust pipe and a cooling tank, wherein the burner is installed on the left side of the boiler body, the top of the burner is communicated with the fan through an air pipe, and the top of the boiler body is communicated with the cooling water tank through the exhaust pipe; the bottom of the burner is communicated with an external air source through a gas pipe, a steam water tank is arranged inside the boiler body, the bottom of the steam water tank is connected with an input pipe, the top of the steam water tank is communicated with external steam using equipment through a steam pipe, a plurality of heating pipelines are arranged inside the steam water tank, and the tail ends of the heating pipelines are communicated with an exhaust pipe; the cooling box comprises a cold water replenishing pipe, an air distribution pipe and an impurity discharging pipe, wherein the cold water replenishing pipe and the impurity discharging pipe are respectively installed at the top and the bottom of the cooling box, cooling water is arranged in the box body inside the cooling box, and the tail end of the air distribution pipe extends into the cooling water through the air distribution pipe.

As a further aspect of the present invention: the air pipe and the exhaust pipe respectively penetrate through the heat exchange mechanism, a plurality of heat exchange fins are arranged inside the heat exchange mechanism, and two ends of each heat exchange fin respectively penetrate into the air pipe and the exhaust pipe.

As a further aspect of the present invention: the tail end of the impurity discharging pipe is communicated with the air pipe in the horizontal direction, and the tail end of the impurity discharging pipe is vertically and downwards connected with the water pipe; the trachea communicates with external environment each other, the water pipe communicates with external water source each other.

As a further aspect of the present invention: the diameter of the water pipe is larger than that of the impurity discharging pipe.

As a further aspect of the present invention: and the air pipe is provided with a filter.

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

the device discharges the used high-temperature waste gas through the exhaust pipe, and the high-temperature waste gas is fully contacted with cooling water in the cooling box after being redistributed through the gas distribution pipe, the gas distribution pipe is arranged at the bottom of the cooling box and distributed in an S shape, and a plurality of nozzles are distributed on the gas distribution pipe, so that the high-temperature waste gas can be fully contacted with the cooling water, and a good cooling effect is achieved; performing water bath cooling, filtering and discharging from a sundry discharging pipe at the top of the cooling box; the filter on the impurity discharging pipe is used for filtering the cooled waste gas, and the filtered waste gas is discharged to the external environment, so that the high-temperature waste gas is prevented from being directly discharged into the air to damage the external environment; this device is still through the pipe wall interconnect of heat transfer mechanism with blast pipe and air hose, and the high temperature waste gas heat in with the blast pipe through the heat exchanger fin transmits the air hose in, preheats the outside air that lets in the air hose to improve the air temperature with the gas contact, be convenient for burn the heat production, reduce the heat loss of combustor simultaneously, be favorable to improving the whole heat utilization ratio of device.

Drawings

FIG. 1 is a schematic view of a combined structure of an energy-saving and environment-friendly boiler for a power plant.

FIG. 2 is a schematic diagram of a partially enlarged structure of FIG. 1 in an energy-saving and environment-friendly boiler for a power plant.

FIG. 3 is a schematic structural diagram of a waste discharge pipe in an energy-saving and environment-friendly boiler for a power plant.

In the figure: 1-boiler body, 11-steam water tank, 12-input pipe, 13-steam pipe, 2-blower, 3-air pipe, 4-gas pipe, 5-burner, 6-heat exchange mechanism, 61-heat exchange sheet, 7-exhaust pipe, 8-cooling box, 81-cold water replenishing pipe, 82-air distribution pipe, 9-impurity discharge pipe, 91-water pipe, 92-air pipe and 10-filter.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Referring to fig. 1, in an embodiment of the present invention, an energy-saving and environment-friendly boiler for a power plant includes a boiler body 1, a fan 2, a burner 5, an exhaust pipe 7 and a cooling tank 8, the burner 5 is installed on the left side of the boiler body 1, the top of the burner 5 is communicated with the fan 2 through an air pipe 3, and the top of the boiler body 1 is communicated with the cooling water tank 8 through the exhaust pipe 7; the bottom of the burner 5 is communicated with an external air source through a gas pipe 4, a steam water tank 11 is arranged inside the boiler body 1, the bottom of the steam water tank 11 is connected with an input pipe 12, the top of the steam water tank 11 is communicated with external steam using equipment through a steam pipe 13, a plurality of heating pipelines are arranged inside the steam water tank 11, and the tail ends of the heating pipelines are communicated with an exhaust pipe 7; the cooling box 8 comprises a cold water replenishing pipe 81, an air distribution pipe 82 and an impurity discharging pipe 9, the cold water replenishing pipe 81 and the impurity discharging pipe 9 are respectively installed at the top and the bottom of the cooling box 8, cooling water is arranged in the internal box body of the cooling box 8, and the tail end of the exhaust pipe 7 extends into the cooling water through the air distribution pipe 82.

In this embodiment, this device is when using, let in air and gas in fan 2 and the gas pipe 4 respectively to combustor 5 to carry out abundant burning through combustor 5, the high-temperature gas after the burning carries out the heat exchange through the water of heating pipeline in to steam water tank 11, make the water in steam water tank 11 heat up rapidly until converting into vapor, the external work of doing is discharged from the steam pipe 13 at top, convert mechanical energy into through steam power device, rethread generating set converts mechanical energy into the electric energy.

Further, high-temperature waste gas used by the device is discharged through the exhaust pipe 7, redistributed through the gas distribution pipe 82, fully contacted with cooling water in the cooling box 8, subjected to water bath cooling and filtered, and then discharged from the impurity discharge pipe 9 at the top of the cooling box 8; wherein the gas distribution pipe 82 is installed at the bottom of the cooling box 8 and distributed in an S shape, and a plurality of nozzles are distributed on the gas distribution pipe, so that the high-temperature waste gas can be fully contacted with cooling water, and a good cooling effect is achieved.

Referring to fig. 2, as a preferred embodiment of the present invention, the air tube 3 and the exhaust tube 7 respectively pass through the heat exchanging mechanism 6, a plurality of heat exchanging fins 61 are disposed inside the heat exchanging mechanism 6, and two ends of the heat exchanging fins 61 respectively pass through the air tube 3 and the exhaust tube 7.

In this embodiment, this device is still through the pipe wall interconnect of heat transfer mechanism 6 with blast pipe 7 and air pipe 3, wherein the inside of heat transfer mechanism 6 is equipped with a plurality of groups heat transfer piece 61, high temperature waste gas heat in with blast pipe 7 through heat transfer piece 61 transmission to air pipe 3 in the heat transfer piece 61 that inserts in blast pipe 7, the outside air that lets in preheats among the air pipe 3, thereby improve the air temperature with the gas contact, be convenient for burn the heat production, reduce the heat loss of combustor 5 simultaneously, be favorable to improving the whole heat utilization ratio of device.

Referring to fig. 3, as another preferred embodiment of the present invention, the end of the impurity discharging pipe 9 is horizontally communicated with an air pipe 92, and the end of the impurity discharging pipe 9 is vertically connected with a water pipe 91 downward; the air pipe 92 is in communication with the external environment, and the water pipe 91 is in communication with an external water source.

In this embodiment, this device is through arranging miscellaneous pipe 9 and discharging the cooling water in cooling tank 8 and the waste gas after the cooling, and wherein cooling tank 8 supplyes low-temperature cooling water to the case through the cold water moisturizing pipe 81 of bottom, and the water after the case and high temperature waste gas contact overflows through arranging miscellaneous pipe 9, then discharges through water pipe 91, and wherein the waste gas of cooling is discharged through trachea 92.

Referring to fig. 3, as another preferred embodiment of the present invention, the diameter of the water pipe 91 is larger than that of the impurity discharging pipe 9.

In this embodiment, the diameter of the water pipe 91 is larger than the trash pipe 9, so as to prevent the trash pipe 9 from being blocked due to the excessive flow of water, and the subsequent waste gas cannot be discharged.

Referring to fig. 3, as another preferred embodiment of the present invention, a filter 10 is installed on the air pipe 92.

In this embodiment, the filter 10 is used for filtering the cooled exhaust gas, and the filtered exhaust gas is discharged to the external environment, so as to avoid the damage to the external environment caused by directly discharging the high-temperature exhaust gas to the air.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The energy-saving and environment-friendly boiler for the power plant comprises a boiler body (1), a fan (2), a burner (5), an exhaust pipe (7) and a cooling box (8), and is characterized in that the burner (5) is installed on the left side of the boiler body (1), the top of the burner (5) is communicated with the fan (2) through an air pipe (3), and the top of the boiler body (1) is communicated with the cooling box (8) through the exhaust pipe (7); the bottom of the burner (5) is communicated with an external air source through a gas pipe (4), a steam water tank (11) is arranged inside the boiler body (1), the bottom of the steam water tank (11) is connected with an input pipe (12), the top of the steam water tank (11) is communicated with external steam using equipment through a steam pipe (13), a plurality of heating pipelines are arranged inside the steam water tank (11), and the tail ends of the heating pipelines are communicated with an exhaust pipe (7); the cooling box (8) comprises a cold water replenishing pipe (81), an air distribution pipe (82) and an impurity discharging pipe (9), the cold water replenishing pipe (81) and the impurity discharging pipe (9) are respectively installed at the top and the bottom of the cooling box (8), cooling water is arranged in the box body inside the cooling box (8), and the tail end of the exhaust pipe (7) extends into the cooling water through the air distribution pipe (82).

2. An energy-saving and environment-friendly boiler for a power plant according to claim 1, characterized in that the air pipe (3) and the exhaust pipe (7) respectively pass through the heat exchange mechanism (6), a plurality of heat exchange fins (61) are arranged inside the heat exchange mechanism (6), and two ends of the heat exchange fins (61) respectively pass through the air pipe (3) and the exhaust pipe (7).

3. The energy-saving and environment-friendly boiler for the power plant according to claim 2, characterized in that the tail end of the impurity discharging pipe (9) is communicated with the air pipe (92) in the horizontal direction, and the tail end of the impurity discharging pipe (9) is vertically connected with the water pipe (91) downwards; the air pipe (92) is communicated with the external environment, and the water pipe (91) is communicated with an external water source.

4. An energy-saving and environment-friendly boiler for a power plant according to claim 3, characterized in that the diameter of the water pipe (91) is larger than that of the impurity discharging pipe (9).

5. An energy-saving and environment-friendly boiler for a power plant according to claim 4, characterized in that the air pipe (92) is provided with a filter (10).