CN218820329U

CN218820329U - Steam heating device for boiler ignition of thermal power plant

Info

Publication number: CN218820329U
Application number: CN202223300397.5U
Authority: CN
Inventors: 骆跃; 朱国强; 王登; 鲁阳杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-07
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a steam heating device for boiler ignition of a thermal power plant, which belongs to the field of boiler ignition, and comprises a heating box, wherein the heating box is fixedly sleeved with an air pipe inside, the outside of the air pipe is wound with a heat transfer pipe, one end of the heat transfer pipe is fixedly connected with a steam inlet pipe, the other end of the heat transfer pipe is fixedly connected with a steam outlet pipe, and a heat insulation layer is laid on the inner side of the heating box; this steam heating device is used in boiler ignition of thermal power plant, through setting up the heating cabinet, the heat-transfer pipe, steam advances the pipe, the steam exit tube, insulating layer and insulation cover, can be at the in-process that the boiler of thermal power plant igniteed, be convenient for utilize steam to heat the wind of carrying in the tuber pipe, make the temperature of the boiler ignition intracavity portion of thermal power plant can rise, can preheat the inside in boiler ignition chamber of thermal power plant promptly, make buggy and fluid can be ignited rapidly like this, thereby it is convenient to have brought for the ignition of boiler of thermal power plant.

Description

Steam heating device for boiler ignition of thermal power plant

Technical Field

The utility model belongs to the technical field of the boiler is igniteed, concretely relates to steam heating device is used in boiler ignition of thermal power plant.

Background

The thermal power plant is a plant for producing electric energy by using coal, petroleum and natural gas as fuels, and the basic production process is as follows: the fuel is burnt in the boiler to heat water into steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes the steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives the generator to rotate, and the mechanical energy is converted into electric energy.

In the process of the ignition of the boiler of the thermal power plant, air, oil and coal powder are generally conveyed to the interior of an ignition cavity of the boiler by utilizing an air pipe, an oil pipe and a coal powder pipe, and an ignition gun is utilized to ignite a mixture of the air pipe, the oil pipe and the coal powder pipe, however, most of the existing ignition cavities of the boiler are difficult to preheat before ignition (namely, the air input by the air pipe is in a normal temperature state), so that the oil and the coal powder are difficult to ignite rapidly, and inconvenience is brought to the ignition of the boiler of the thermal power plant.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam heating device is used in boiler ignition of thermal 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: the utility model provides a steam heating device for boiler ignition of thermal power plant, includes the heating cabinet, the fixed tuber pipe that has cup jointed in inside of heating cabinet, the outside winding of tuber pipe has the heat-transfer pipe, the one end fixedly connected with steam of heat-transfer pipe advances the pipe, and the other end fixedly connected with steam outlet pipe of heat-transfer pipe, the insulating layer has been laid to the inboard of heating cabinet, the one end of tuber pipe runs through heating cabinet and fixedly connected with thermal power plant boiler ignition chamber, the insulation cover has been cup jointed to the external fixation of tuber pipe, the fixed burning torch that has cup jointed in one side at thermal power plant boiler ignition chamber top, the bottom fixedly connected with shower nozzle in thermal power plant boiler ignition chamber, the bottom fixedly connected with oil pipe of shower nozzle, one side fixedly connected with buggy pipe in thermal power plant boiler ignition chamber, the one end fixedly connected with ejection of compact cover of buggy pipe.

As a preferred embodiment, the material that heat-transfer pipe, steam advance pipe and steam outlet pipe is metal material, steam advances the fixed cover of pipe and connects at the top of heating cabinet, and the outside fixed mounting that the steam advances the pipe has admission valve, the fixed cover of steam outlet pipe is connected in the bottom of heating cabinet, and the outside fixed mounting of steam outlet pipe has a steam valve.

In a preferred embodiment, the heat insulation layer is made of heat insulation cotton material, and the heat insulation layer is fixedly connected with the inner wall of the heating box.

In a preferred embodiment, the thermal insulation sleeve is made of glass fiber material, and the thermal insulation sleeve is wrapped outside the air pipe.

As a preferred embodiment, the spray head is located in the middle of the bottom end of the ignition cavity of the boiler in the thermal power plant, and an oil control valve is fixedly mounted outside the oil pipe.

In a preferred embodiment, the pulverized coal pipe is fixedly provided with a feeding valve on the outer part, and the discharging cover is positioned inside the ignition cavity of the thermal power plant boiler.

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

this steam heating device is used in boiler of thermal power plant ignition, through setting up the heating cabinet, the heat-transfer pipe, steam advances the pipe, the steam exit tube, insulating layer and insulation cover, can be at the in-process that thermal power plant boiler igniteed, be convenient for utilize the wind of steam to carry in the tuber pipe to heat, make the temperature of thermal power plant boiler ignition intracavity portion can rise, can preheat the inside in thermal power plant boiler ignition chamber promptly, make buggy and fluid can be lighted rapidly like this, thereby brought the facility for the ignition of thermal power plant boiler.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a partial cross-sectional view of the structure of the present invention;

fig. 3 is a perspective view of the discharging cover in the structure of the utility model.

In the figure: 1. a heating box; 2. an air duct; 3. a heat transfer tube; 4. a steam inlet pipe; 5. a vapor outlet pipe; 6. a thermal insulation layer; 7. a thermal power plant boiler ignition chamber; 8. a thermal insulation sleeve; 9. an ignition gun; 10. a spray head; 11. an oil pipe; 12. a pulverized coal pipe; 13. and a discharging cover.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1 and 2, the present invention provides a steam heating device for boiler ignition in a thermal power plant, including a heating box 1, an air pipe 2 is fixedly sleeved inside the heating box 1, a heat transfer pipe 3 is wound outside the air pipe 2, one end of the heat transfer pipe 3 is fixedly connected with a steam inlet pipe 4, and the other end of the heat transfer pipe 3 is fixedly connected with a steam outlet pipe 5, the heat transfer pipe 3, the steam inlet pipe 4 and the steam outlet pipe 5 are made of metal materials, the steam inlet pipe 4 is fixedly sleeved on the top of the heating box 1, and the steam inlet pipe 4 is fixedly installed on the outside with a steam inlet valve, the steam outlet pipe 5 is fixedly sleeved on the bottom of the heating box 1, and the steam outlet pipe 5 is fixedly installed on the outside with a steam outlet valve, a thermal insulation layer 6 is laid on the inner side of the heating box 1, the thermal insulation layer 6 is made of thermal insulation cotton material, and the thermal insulation layer 6 is fixedly connected with the inner wall of the heating box 1; when the boiler of thermal power plant before the ignition, open the admission valve earlier and go out the admission valve, advance the pipe 4 input with high-temperature steam from steam, make high-temperature steam advance the inside of pipe 4 at steam and flow, and enter into the inside to heat-transfer pipe 3, and heat energy in the steam can transmit for tuber pipe 2 through heat-transfer pipe 3, thereby be convenient for heat the wind of the flow in tuber pipe 2, and the steam that flows out can flow along steam outlet pipe 5 in the heat-transfer pipe 3, because steam advances pipe 4 and steam outlet pipe 5 and is crooked in the inside of heating cabinet 1, can increase the flow time of steam in heating cabinet 1, thereby conveniently transfer heat to the air of heating cabinet 1 inside, and thermal-insulated cotton material's insulating layer 6, can block the heat, be convenient for slow down heat energy to the outside diffusion of heating cabinet 1, thereby can strengthen the heat preservation effect of heating cabinet 1.

Referring to fig. 2 and 3, one end of an air pipe 2 penetrates through a heating box 1 and is fixedly connected with a thermal power plant boiler ignition cavity 7, a heat insulation sleeve 8 is fixedly sleeved outside the air pipe 2, the heat insulation sleeve 8 is made of glass fiber materials, the heat insulation sleeve 8 wraps the outside of the air pipe 2, an ignition gun 9 is fixedly sleeved on one side of the top of the thermal power plant boiler ignition cavity 7, a spray head 10 is fixedly connected to the bottom of the thermal power plant boiler ignition cavity 7, the spray head 10 is located in the middle of the bottom end of the thermal power plant boiler ignition cavity 7, an oil pipe 11 is fixedly connected to the bottom of the spray head 10, an oil control valve is fixedly installed outside the oil pipe 11, a pulverized coal pipe 12 is fixedly connected to one side of the thermal power plant boiler ignition cavity 7, a discharge cover 13 is fixedly connected to one end of the pulverized coal pipe 12, a feed valve is fixedly installed outside the pulverized coal pipe 12, and the discharge cover 13 is located inside the thermal power plant boiler ignition cavity 7; when hot-blast entering into the inside of thermal power plant boiler ignition chamber 7 along tuber pipe 2, open the feed valve, make the buggy flow along buggy pipe 12, and from ejection of compact cover 13 department blowout diffusion in the inside of thermal power plant boiler ignition chamber 7, open accuse oil valve simultaneously, make fluid follow oil pipe 11 and get into, and spray out from shower nozzle 10, open burning torch 9 again, thereby be convenient for ignite the thermal power plant boiler, and because the inside air of thermal power plant boiler ignition chamber 7 is heated by hot-blast in advance, can make the buggy be lighted in the twinkling of an eye, thereby the ignition of boiler for thermal power plant has brought the facility.

In the above scheme, it should be noted that: the utility model provides a thermal power boiler ignition chamber 7 is used for igniteing the thermal power boiler, and the burning torch 9 of this application is prior art's product, and its theory of operation and structure are current common general knowledge.

The utility model discloses a theory of operation and use flow: firstly, opening a steam inlet valve and a steam outlet valve, inputting high-temperature steam from a steam inlet pipe 4, enabling the high-temperature steam to flow in the steam inlet pipe 4 and enter the heat transfer pipe 3, and transferring heat energy in the steam to an air pipe 2 through the heat transfer pipe 3, so that flowing air in the air pipe 2 can be heated conveniently, and the steam flowing out of the heat transfer pipe 3 flows out along a steam outlet pipe 5;

then, the steam inlet pipe 4 and the steam outlet pipe 5 are bent in the heating box 1, so that the flowing time of steam in the heating box 1 can be prolonged, the heat transfer of air in the heating box 1 is facilitated, the heat insulation layer 6 made of heat insulation cotton materials can block heat, the diffusion of heat energy to the outside of the heating box 1 is facilitated to be slowed down, and the heat insulation effect of the heating box 1 can be enhanced;

at last when hot-blast entering into the inside to thermal power plant boiler ignition chamber 7 along tuber pipe 2, open the feed valve, make the buggy flow along buggy pipe 12, and from ejection of compact cover 13 department blowout diffusion in thermal power plant boiler ignition chamber 7's inside, open accuse fuel tap simultaneously, make fluid follow oil pipe 11 and get into, and spray out from shower nozzle 10, open burning torch 9 again, thereby be convenient for ignite the thermal power plant boiler, and because the inside air of thermal power plant boiler ignition chamber 7 is heated by hot-blast in advance, can make the buggy lighted in the twinkling of an eye, thereby the ignition of boiler for thermal power plant has brought the facility.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steam heating device for boiler ignition of thermal power plant, includes heating cabinet (1), its characterized in that: the fixed cover in inside of heating cabinet (1) has connect tuber pipe (2), the outside winding of tuber pipe (2) has heat-transfer pipe (3), the one end fixedly connected with steam of heat-transfer pipe (3) advances pipe (4), and the other end fixedly connected with steam exit tube (5) of heat-transfer pipe (3), insulating layer (6) have been laid to the inboard of heating cabinet (1), the one end of tuber pipe (2) is run through heating cabinet (1) and fixedly connected with thermal power plant's boiler ignition chamber (7), insulation cover (8) have been cup jointed to the external fixation of tuber pipe (2), burning torch (9) have been cup jointed to one side fixed at thermal power plant's boiler ignition chamber (7) top, bottom fixedly connected with shower nozzle (10) of thermal power plant's boiler ignition chamber (7), bottom fixedly connected with oil pipe (11) of shower nozzle (10), one side fixedly connected with coal dust pipe (12) of thermal power plant's boiler ignition chamber (7), the one end fixedly connected with ejection of compact cover (13) of coal dust pipe (12).

2. The steam heating apparatus for ignition of a boiler of a thermal power plant according to claim 1, characterized in that: the material that heat-transfer pipe (3), steam advance pipe (4) and steam exit tube (5) is metal material, steam advances pipe (4) fixed the cup jointing at the top of heating cabinet (1), and the outside fixed mounting that steam advances pipe (4) has a steam inlet valve, steam exit tube (5) are fixed to be cup jointed in the bottom of heating cabinet (1), and the outside fixed mounting of steam exit tube (5) has a steam outlet valve.

3. The steam heating apparatus for ignition of a boiler of a thermal power plant according to claim 1, characterized in that: the heat insulation layer (6) is made of heat insulation cotton materials, and the heat insulation layer (6) is fixedly connected with the inner wall of the heating box (1).

4. The steam heating apparatus for ignition of a boiler of a thermal power plant according to claim 1, characterized in that: the heat insulation sleeve (8) is made of glass fiber materials, and the heat insulation sleeve (8) is wrapped outside the air pipe (2).

5. The steam heating apparatus for ignition of a boiler of a thermal power plant according to claim 1, characterized in that: the spray head (10) is located in the middle of the bottom end of the ignition cavity (7) of the boiler of the thermal power plant, and an oil control valve is fixedly mounted outside the oil pipe (11).

6. The steam heating apparatus for ignition of a boiler of a thermal power plant according to claim 1, characterized in that: the external fixed mounting of buggy pipe (12) has the feed valve, ejection of compact cover (13) are located the inside of thermal power plant boiler ignition chamber (7).