CN214333260U

CN214333260U - Waste heat recovery utilizes system of thermal power plant

Info

Publication number: CN214333260U
Application number: CN202022708756.5U
Authority: CN
Inventors: 马潇涵
Original assignee: Shaanxi Jinghe Thermal Power Co ltd
Current assignee: Shaanxi Jinghe Thermal Power Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-10-01
Anticipated expiration: 2030-11-21

Abstract

The utility model discloses a waste heat recycling system of a thermal power plant, which comprises a base and a material loading component; base: a chimney is arranged on one side of the surface, and the bottom of the side surface of the chimney is connected with a smoke exhaust pipe; the material loading component: including extension board, installation axle, carrier and feed inlet, extension board fixed connection is in surface one side of base, the side of extension board is run through to the installation axle, the one end middle part fixed connection of carrier is in the one end of installation axle, the other end of carrier is located to the feed inlet, and is equipped with the conveying subassembly on the carrier, is equipped with the runner assembly on the extension board, still includes control switch group, control switch group locates the surface of base, and control switch group's input is connected with external power source's output electricity, and this waste heat recovery of thermal power plant utilizes the system and can realize the recovery of high temperature flue gas and recycle, realizes the drying and preheating of fuel, has reduced the loss of heat energy, has improved boiler efficiency, and the practicality is stronger.

Description

Waste heat recovery utilizes system of thermal power plant

Technical Field

The utility model relates to a waste heat recovery technical field specifically is a waste heat recovery utilizes system of thermal power plant.

Background

A thermal power plant is a plant for producing electric energy using combustible (e.g. coal) as fuel, and its basic production processes are: fuel adds hot water and generates steam when the burning, chemical energy with fuel is converted into heat energy, steam pressure promotes the steam turbine rotation, heat energy conversion becomes mechanical energy, then the steam turbine drives the generator rotation, be converted into the electric energy with mechanical energy, fuel can produce a large amount of high temperature flue gas at the in-process of burning, current most enterprises generally discharge the high temperature flue gas to the air after purification and the cooling of certain degree, lead to a large amount of losses of heat energy, lead to boiler efficiency to reduce then.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a waste heat recovery utilizes system of thermal power plant, can realize the recovery of high temperature flue gas and recycle, realize the drying and preheating of fuel, reduced the loss of heat energy, improved boiler efficiency, the practicality is stronger, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a waste heat recycling system of a thermal power plant comprises a base and a loading assembly;

base: a chimney is arranged on one side of the surface, and the bottom of the side surface of the chimney is connected with a smoke exhaust pipe;

the material loading component: the feeding device comprises a support plate, an installation shaft, a carrier and a feeding hole, wherein the support plate is fixedly connected to one side of the surface of a base, the installation shaft penetrates through the side surface of the support plate, the middle part of one end of the carrier is fixedly connected to one end of the installation shaft, the feeding hole is formed in the other end of the carrier, a conveying assembly is arranged on the carrier, and a rotating assembly is arranged on the support plate;

wherein: the power supply device also comprises a control switch group, wherein the control switch group is arranged on the surface of the base, and the input end of the control switch group is electrically connected with the output end of an external power supply.

Further, still include dust remover, desulphurization unit, first pipeline and second pipeline, dust remover and desulphurization unit locate the base in proper order on the surface, and through first pipeline intercommunication between the top of chimney and the bottom of dust remover, through the second pipeline intercommunication between the top of dust remover and desulphurization unit's the top, dust remover and desulphurization unit can realize the dust removal and the desulfurization to high temperature flue gas, reduce the harmful pollutant who contains in the flue gas.

Further, still include the exhaust subassembly, the exhaust subassembly includes the air duct, divides gas groove, installing frame and guide plate, the one end of air duct and desulphurization unit's bottom intercommunication, the bottom in branch gas groove is connected with the other end of air duct, the surface in branch gas groove is located to the installing frame, the guide plate evenly establishes the inboard vertical in the installing frame, and divides the gas groove to correspond with the carrier, and the exhaust subassembly can get into through the air duct and divide the gas inslot after desulfurizing to the flue gas, can discharge through the guide plate, realizes preheating the drying to the fuel in the carrier.

Further, the rotating assembly comprises a side plate, a first motor, a main gear and an auxiliary gear, the side face of the support plate is arranged on the side plate, the first motor is arranged on the surface of the side plate, the main gear is fixedly sleeved on an output shaft of the first motor, the auxiliary gear is fixedly sleeved at one end of the mounting shaft and meshed with the main gear, the input end of the first motor is electrically connected with the output end of the control switch group, the main gear is driven to rotate by the rotation of the first motor, the main gear can realize the rotation of the mounting shaft by being meshed with the auxiliary gear, and then the carrier is driven to rotate, so that the fuel in the carrier is overturned, and the fuel is uniformly heated.

Further, the conveying assembly comprises a rotating shaft, a spiral piece, a frame plate and a second motor, one end of the rotating shaft is rotated to be connected to one end side of the carrier, the spiral piece is arranged on the rotating shaft, the side of the carrier is arranged on the frame plate, the second motor is arranged on the frame plate, the output shaft of the second motor is fixedly connected with one end of the rotating shaft, which is outside the carrier, the input end of the second motor is electrically connected with the output end of the control switch group, the rotating shaft of the conveying assembly can be driven to rotate by the rotation of the second motor, then the spiral piece is driven to rotate, and after the fuel is preheated and dried, the rotation of the spiral piece is utilized to discharge the fuel.

Compared with the prior art, the beneficial effects of the utility model are that: this waste heat recovery of thermal power plant utilizes system has following benefit:

1. this waste heat recovery of thermal power plant utilizes exhaust subassembly of system can get into through the air duct and divide the gas tank after desulfurizing the flue gas, can discharge through the guide plate, realizes preheating the drying to the fuel in the carrier, and the guide plate can provide the direction for gaseous flow, avoids high-temperature gas to scatter four times.

2. The rotating assembly of the waste heat recovery and utilization system of the thermal power plant can drive the main gear to rotate by utilizing the rotation of the first motor, the main gear can realize the rotation of the mounting shaft by being meshed with the pinion, then the carrier is driven to rotate, the fuel in the carrier is overturned, and the fuel is uniformly heated.

3. The rotation of the usable second motor of conveying assembly of this waste heat recovery of thermal power plant utilizes system drives the pivot and rotates, drives the flight then and rotates, can preheat and dry the back to fuel, utilizes the rotation of flight, with fuel discharge.

Drawings

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

fig. 2 is a schematic view of the cross-sectional structure of the present invention.

In the figure: the device comprises a base 1, a control switch group 11, a chimney 2, a smoke exhaust pipe 21, a dust remover 22, a desulfurization device 23, a first pipeline 24, a second pipeline 25, an exhaust component 3, an air guide pipe 31, an air distribution groove 32, a mounting frame 33, a guide plate 34, a material loading component 4, a support plate 41, a mounting shaft 42, a carrier cylinder 43, a feed inlet 44, a rotating component 5, a side plate 51, a first motor 52, a main gear 53, a pinion 54, a transmission component 6, a rotating shaft 61, a spiral sheet 62, a frame plate 63 and a second motor 64.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a waste heat recycling system of a thermal power plant comprises a base 1 and a loading assembly 4;

base 1: a chimney 2 is arranged on one side of the surface, and the bottom of the side surface of the chimney 2 is connected with a smoke exhaust pipe 21;

and a material loading component 4: the automatic feeding device comprises a support plate 41, an installation shaft 42, a carrier 43 and a feeding hole 44, wherein the support plate 41 is fixedly connected to one side of the surface of a base 1, the installation shaft 42 penetrates through the side surface of the support plate 41, the middle part of one end of the carrier 43 is fixedly connected to one end of the installation shaft 42, the feeding hole 44 is formed in the other end of the carrier 43, a conveying assembly 6 is arranged on the carrier 43, the conveying assembly 6 comprises a rotating shaft 61, a spiral sheet 62, a frame plate 63 and a second motor 64, one end of the rotating shaft 61 is rotatably connected to one side surface of one end of the carrier 43, the spiral sheet 62 is arranged on the rotating shaft 61, the frame plate 63 is arranged on the side surface of the carrier 43, the second motor 64 is arranged on the frame plate 63, an output shaft of the second motor 64 is fixedly connected with one end, located outside the carrier 43, of the rotating shaft 61, an input end of the second motor 64 is electrically connected with an output end of a control switch group 11, a rotating assembly 5 is arranged on the support plate 41, the rotating assembly 5 comprises a side plate 51, The side plate 51 is arranged on the side surface of the support plate 41, the first motor 52 is arranged on the surface of the side plate 51, the main gear 53 is fixedly sleeved on an output shaft of the first motor 52, the pinion 54 is fixedly sleeved at one end of the mounting shaft 42 and meshed with the main gear 53, and the input end of the first motor 52 is electrically connected with the output end of the control switch group 11;

wherein: the power supply device further comprises a control switch group 11, the control switch group 11 is arranged on the surface of the base 1, and the input end of the control switch group 11 is electrically connected with the output end of an external power supply.

Wherein: the device comprises a dust remover 22, a desulphurization device 23, a first pipeline 24 and a second pipeline 25, wherein the dust remover 22 and the desulphurization device 23 are sequentially arranged on the surface of the base 1, the top of the chimney 2 is communicated with the bottom of the dust remover 22 through the first pipeline 24, and the top of the dust remover 22 is communicated with the top of the desulphurization device 23 through the second pipeline 25; still include exhaust subassembly 3, exhaust subassembly 3 includes air duct 31, divides gas tank 32, installing frame 33 and guide plate 34, and the one end of air duct 31 communicates with desulphurization unit 23's bottom, divides the bottom of gas tank 32 to be connected with the other end of air duct 31, and the surface of dividing gas tank 32 is located to installing frame 33, and the inboard of installing frame 33 is located to the even vertical of guide plate 34, and divides gas tank 32 to correspond with carrier 43.

The rotating assembly 5 can drive the main gear 53 to rotate by the rotation of the first motor 52, the main gear 53 can realize the rotation of the mounting shaft 42 by meshing with the pinion 54, and then drive the carrier 43 to rotate, so as to realize the turnover of the fuel in the carrier 43, and thus the fuel is uniformly heated.

When in use:

firstly, high-temperature flue gas enters a chimney 2 through a smoke exhaust pipe 21, enters a dust remover 22 through a first pipeline 24, enters a desulfurization device 23 through a second pipeline 25, enters an air distribution groove 32 through an air guide pipe 31, and can be discharged through a guide plate 34, meanwhile, the main gear 53 is driven to rotate by the rotation of a first motor 52, the main gear 53 can realize the rotation of an installation shaft 42 through the meshing with a secondary gear 54, and then drive a carrier 43 to rotate, so that the fuel in the carrier 43 can be overturned, the fuel can be uniformly heated, after the fuel is preheated and dried, the rotating shaft 61 can be driven to rotate by the rotation of a second motor 64, and then drive a spiral sheet 62 to rotate, and after the fuel is preheated and dried, the fuel can be discharged out of the carrier 43 by the rotation of the spiral sheet 62.

It should be noted that the control switch set 11 disclosed in this embodiment is provided with control buttons corresponding to the first motor 52 and the second motor 64, and the first motor 52 and the second motor 64 can be freely configured according to practical application scenarios. The control switch sets control the operation of the first motor 52 and the second motor 64 using methods commonly used in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 waste heat recovery utilizes system of thermal power plant which characterized in that: comprises a base (1) and a material loading component (4);

base (1): a chimney (2) is arranged on one side of the surface, and the bottom of the side surface of the chimney (2) is connected with a smoke exhaust pipe (21);

a loading assembly (4): the device comprises a support plate (41), a mounting shaft (42), a carrier (43) and a feed inlet (44), wherein the support plate (41) is fixedly connected to one side of the surface of a base (1), the mounting shaft (42) penetrates through the side surface of the support plate (41), the middle part of one end of the carrier (43) is fixedly connected to one end of the mounting shaft (42), the feed inlet (44) is arranged at the other end of the carrier (43), a conveying assembly (6) is arranged on the carrier (43), and a rotating assembly (5) is arranged on the support plate (41);

wherein: the power supply is characterized by further comprising a control switch group (11), wherein the control switch group (11) is arranged on the surface of the base (1), and the input end of the control switch group (11) is electrically connected with the output end of an external power supply.

2. The waste heat recovery and utilization system of the thermal power plant as claimed in claim 1, wherein: still include dust remover (22), desulphurization unit (23), first pipeline (24) and second pipeline (25), dust remover (22) and desulphurization unit (23) are located base (1) on the surface in proper order, and communicate through first pipeline (24) between the top of chimney (2) and the bottom of dust remover (22), communicate through second pipeline (25) between the top of dust remover (22) and the top of desulphurization unit (23).

3. The waste heat recovery and utilization system of the thermal power plant as claimed in claim 2, wherein: still include exhaust subassembly (3), exhaust subassembly (3) include air duct (31), divide gas groove (32), installing frame (33) and guide plate (34), the one end of air duct (31) and the bottom intercommunication of desulphurization unit (23), the bottom of dividing gas groove (32) is connected with the other end of air duct (31), the surface of dividing gas groove (32) is located in installing frame (33), the inboard of installing frame (33) is located to even vertical the locating of guide plate (34), and divides gas groove (32) and carrier (43) to correspond.

4. The waste heat recovery and utilization system of the thermal power plant as claimed in claim 1, wherein: the rotating assembly (5) comprises a side plate (51), a first motor (52), a main gear (53) and a pinion (54), the side plate (51) is arranged on the side face of the support plate (41), the first motor (52) is arranged on the surface of the side plate (51), the main gear (53) is fixedly sleeved on an output shaft of the first motor (52), the pinion (54) is fixedly sleeved on one end of the mounting shaft (42) and meshed with the main gear (53), and the input end of the first motor (52) is electrically connected with the output end of the control switch group (11).

5. The waste heat recovery and utilization system of the thermal power plant as claimed in claim 1, wherein: conveying assembly (6) are including pivot (61), flight (62), frame plate (63) and second motor (64), the one end side of connecting at carrier (43) is rotated to the one end of pivot (61), flight (62) are located on pivot (61), the side of carrier (43) is located in frame plate (63), second motor (64) are located on frame plate (63), and are located the outside one end fixed connection of carrier (43) on the output shaft of second motor (64) and pivot (61), and the input of second motor (64) is connected with the output electricity of control switch group (11).