CN219955375U

CN219955375U - Flue gas circulation energy-saving thermal power generation gas turbine device

Info

Publication number: CN219955375U
Application number: CN202321440531.3U
Authority: CN
Inventors: 邢加玮; 徐金平; 唐正东; 俞巍伟; 吴昊; 方日波; 易维涛
Original assignee: Hangzhou Huadian Jiangdong Thermoelectricity Co ltd
Current assignee: Hangzhou Huadian Jiangdong Thermoelectricity Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-11-03
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a smoke circulation energy-saving thermal power generation gas turbine device, and relates to the technical field of thermal power generation gas turbine devices. The utility model comprises a combustion box, wherein the inside of the combustion box is fixedly connected with a water tank, the top of the combustion box is fixedly connected with a preheating box, the inside of the preheating box is fixedly connected with an air outlet pipe, the outside of the air outlet pipe is sleeved with a water inlet pipe, the part of the air outlet pipe, which is positioned in the water inlet pipe, is sleeved with a heat conducting disc, one end of the water inlet pipe extends out of the preheating box, the other end of the water inlet pipe is communicated with the inside of the water tank through the water outlet pipe, and one side of the combustion box is fixedly connected with a filter cylinder. According to the utility model, the air outlet pipe is arranged, the water inlet pipe is sleeved on the outer side of the air outlet pipe, so that effective heat exchange can be generated between the air inlet pipe and water, the water is preheated, and the heat conducting disc is uniformly sleeved on the air outlet pipe, so that the heat exchange efficiency of flue gas and water can be further improved, and the thermal power generation gas turbine device can save more energy when in use.

Description

Flue gas circulation energy-saving thermal power generation gas turbine device

Technical Field

The utility model belongs to the technical field of thermal power generation gas turbine devices, and particularly relates to a smoke circulation energy-saving thermal power generation gas turbine device.

Background

Thermal power generation is a power generation mode that uses heat energy generated by combustible materials during combustion and converts the heat energy into electric energy through a power generation device. Through retrieving, the patent of application number 201721104932.6 discloses an energy-conserving thermal power generation gas turbine device of flue gas circulation, including boiler and steam turbine, boiler left side lower extreme is provided with the feeding area, and boiler left side top is connected with the flue gas circulating pipe, the cigarette ash collecting vessel is installed in the flue gas circulating pipe lower extreme outside, and the outside end cover that has of cigarette ash collecting vessel lower extreme, flue gas circulating pipe mid-mounting has the smoke and dust filter layer, and flue gas circulating pipe upper portion right-hand member is provided with the tobacco pipe filtration membrane, water pipe upper end right-hand member is provided with the outlet duct, the flue gas circulating pipe right-hand member is connected with the water pipe, the water pipe upper right-hand member is connected with the steam pipe, and the steam pipe lower extreme is being connected with the rotation room, the steam turbine both sides are connected with the rotation room, and the steam turbine right side is connected with the generator.

However, in the practical use process, the applicant finds that in the process of contacting the flue gas generated in the combustion power generation process with water in the water inlet pipe, the heat exchange time is short, so that the heat in the flue gas cannot be absorbed by the water sufficiently and the water cannot be preheated, and further, the waste heat in the flue gas cannot be utilized well.

Disclosure of Invention

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a flue gas circulation energy-saving thermal power generation gas turbine device which comprises a combustion box, wherein a water tank is fixedly connected to the inside of the combustion box, a preheating box is fixedly connected to the top of the combustion box, an air outlet pipe is fixedly connected to the inside of the preheating box, a water inlet pipe is sleeved outside the air outlet pipe, a heat conducting disc is fixedly sleeved on the part of the air outlet pipe, which is positioned in the water inlet pipe, one end of the water inlet pipe extends out of the preheating box, the other end of the water inlet pipe is communicated with the inside of the water tank through the water outlet pipe, a filter screen is fixedly connected to the inside of the filter drum through an air inlet pipe, one end of the air outlet pipe is communicated with the inside of the filter drum, the other end of the air outlet pipe penetrates through the side wall of the water inlet pipe and extends out of the preheating box, one side of the air inlet pipe is fixedly connected with the inside of a steam turbine through a steam guide pipe, and the other side of the steam turbine is fixedly connected with a generator.

Preferably, the air inlet pipe is positioned below the filter screen, the air outlet pipe is positioned above the filter screen, and the bottom thread of the filter cylinder is screwed with the sealing cover.

Preferably, a servo motor is fixedly arranged at the top of the filter cylinder, a rotating rod is fixedly connected to the rotating end of the servo motor, and the lower end of the rotating rod penetrates through the filter screen and is fixedly connected with a brush holder.

Preferably, the top of the brush holder is fixedly connected with bristles, and the bristles rotate along with the bottom of the filter screen.

Preferably, the front side of the combustion box is provided with a feeding nozzle, and one end of the water inlet pipe positioned outside the preheating box is sleeved and fixed with a valve.

Preferably, the heat conducting disc on the air outlet pipe is uniformly provided with a plurality of heat conducting discs along the air outlet pipe, and through holes are formed in the heat conducting disc in an annular array.

The utility model has the following beneficial effects:

according to the smoke circulation energy-saving thermal power generation gas turbine device, the snakelike bent gas outlet pipe is arranged, the water inlet pipe is sleeved on the outer side of the gas outlet pipe, effective heat exchange can be carried out between the gas outlet pipe and water in the water inlet pipe, water is preheated, the heat conducting disc is uniformly sleeved on the gas outlet pipe, the gas outlet pipe can transfer heat to the heat conducting disc, heat exchange can be carried out between the heat conducting disc and water, the heat exchange efficiency of smoke and water can be further improved, smoke waste heat is better utilized, the rotating rod and the brush frame are driven to rotate together by the driving servo motor, the bottom of the filter screen can be cleaned through the brush frame, the filter screen is prevented from being blocked, smoke can be filtered for a long time, better recycling of smoke waste heat is achieved, waste of smoke waste heat can be reduced, and the thermal power generation gas turbine device is more energy-saving in use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the external structure of a flue gas circulation energy-saving thermal power generation gas turbine device;

FIG. 2 is a schematic diagram of the internal structure of a smoke-circulating energy-saving thermal power generation gas turbine device;

FIG. 3 is a schematic diagram of the structure of an air outlet pipe and an air inlet pipe in the flue gas circulation energy-saving thermal power generation gas turbine device;

fig. 4 is a side view of a heat conducting disc in a smoke circulation energy-saving thermal power generation gas turbine device.

In the drawings, the list of components represented by the various numbers is as follows:

1. a combustion box; 2. a filter cartridge; 3. a servo motor; 4. a preheating box; 5. an air outlet pipe; 6. a water inlet pipe; 61. a water outlet pipe; 7. a valve; 8. a steam air duct; 9. a steam turbine; 10. a generator; 11. a feeding nozzle; 12. sealing cover; 13. a rotating rod; 14. a filter screen; 15. a brush holder; 151. brushing; 16. an air inlet pipe; 17. a water tank; 18. a heat conduction plate; 181. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution:

embodiment one: the utility model provides a flue gas circulation energy-saving thermal power generation gas turbine device, including combustion box 1, the inside fixedly connected with water tank 17 of combustion box 1, the top fixedly connected with preheating box 4 of combustion box 1, the inside fixedly connected with outlet duct 5 of preheating box 4, the outside cover of outlet duct 5 is equipped with inlet tube 6, the part that outlet duct 5 is located in inlet tube 6 cup joints fixedly has heat conduction dish 18, heat conduction dish 18 on the outlet duct 5 evenly is provided with a plurality of along outlet duct 5, the annular array has seted up through-hole 181 on the heat conduction dish 18, the setting of heat conduction dish 18 is used for increasing the contact surface between outlet duct 5 and the water, heat in the flue gas can preheat water through outlet duct 5 and heat conduction dish 18 more abundant and water heat exchange, the setting of through-hole 181 makes the hydroenergy between inlet tube 6 and the outlet duct 5 realize smooth flow, the one end of inlet tube 6 extends to outside the preheating box 4, one end of the water inlet pipe 6 positioned outside the preheating tank 4 is sleeved and fixed with a valve 7, the other end of the water inlet pipe 6 is communicated with the inside of the water tank 17 through a water outlet pipe 61, one side of the combustion tank 1 is fixedly connected with a filter cylinder 2, the inside of the combustion tank 1 is communicated with the inside of the filter cylinder 2 through an air inlet pipe 16, the inside of the filter cylinder 2 is fixedly connected with a filter screen 14, one end of the air outlet pipe 5 is communicated with the inside of the filter cylinder 2, the other end of the air outlet pipe 5 penetrates through the side wall of the water inlet pipe 6 and extends to the outside of the preheating tank 4, the inside of the water tank 17 is communicated with the inside of the steam turbine 9 through a steam air guide pipe 8, one side of the steam turbine 9 is fixedly connected with the combustion tank 1, the other side of the steam turbine 9 is fixedly connected with a generator 10, the front side of the combustion tank 1 is provided with a feeding nozzle 11, the feeding nozzle 11 is arranged for feeding fuel into the inside of the combustion tank 1 during the operation of a thermal power generation combustion engine, the fuel is put into the combustion box 1 through the feeding nozzle 11, the water in the water tank 17 is heated by the heat generated by the combustion of the fuel in the combustion box 1, the water vapor generated in the water tank 17 can be conveyed to the steam turbine 9 through the steam air duct 8 to push the steam turbine 9 to rotate, and then the steam turbine 9 can drive the generator 10 to rotate to generate power, in the process, the flue gas generated in the combustion box 1 can enter the filter cylinder 2 through the air inlet pipe 16, and then enter the air outlet pipe 5 after being filtered by the filter screen 14, and finally is discharged through the air outlet pipe 5, in the process, because the air outlet pipe 5 is in a serpentine shape in the interior of the preheating box 4, the heat exchange between the air outlet pipe 5 and the water inlet pipe 6 can be carried out, the preheated water can enter the water tank 17 through the water outlet pipe 61, the heat exchange path between the flue gas and the water can be prolonged through the arrangement of the air outlet pipe 5, and the heat of the air outlet pipe 5 can be quickly conducted to the heat conducting disc 18, and the heat in the flue gas can be more fully utilized to preheat the water in the water inlet pipe 6 through the heat exchange of the heat conducting disc 18.

Embodiment two: the difference between this embodiment and the first embodiment lies in that, the air inlet pipe 16 is located below the filter screen 14, the air outlet pipe 5 is located above the filter screen 14, the bottom screw thread of the filter cartridge 2 is screwed with the sealing cover 12, the servo motor 3 is fixedly installed at the top of the filter cartridge 2, the rotating end of the servo motor 3 is fixedly connected with the rotating rod 13, and the lower end of the rotating rod 13 penetrates through the filter screen 14 and is fixedly connected with the brush holder 15, the top of the brush holder 15 is fixedly connected with the brush hair 151, the brush hair 151 rotates against the bottom of the filter screen 14, in the process of filtering flue gas, the brush hair 3 drives the rotating rod 13 to rotate through the servo motor 3, the brush holder 15 can be driven to rotate, the brush hair 151 can be driven to rotate, the bottom of the filter screen 14 can be cleaned, the filter screen 14 is prevented from being blocked, the flue gas can be filtered for a long time, impurities and dust at the filtering position can fall into the bottom of the filter cartridge 2, and impurities and dust in the flue gas collected at the lower part of the filter cartridge 2 can be led out through screwing down the sealing cover 12.

Working principle: when in use, in the working process of the thermal power generation gas turbine, fuel is put into the combustion box 1 through the feed nozzle 11, the water in the water tank 17 is heated by heat generated by combustion of the fuel in the combustion box 1, the water vapor generated in the water tank 17 can be conveyed to the steam turbine 9 through the steam guide pipe 8 to push the steam turbine 9 to rotate, and then the steam turbine 9 can drive the generator 10 to rotate to generate power, in the process, the flue gas generated in the combustion box 1 can enter the filter cylinder 2 through the air inlet pipe 16 and enter the air outlet pipe 5 after being filtered by the filter screen 14 and finally be discharged through the air outlet pipe 5, in the process, the air outlet pipe 5 is in a serpentine bending shape in the preheating box 4, can be in heat exchange with the water between the air outlet pipe 5 and the water inlet pipe 6 to preheat the water, the water after preheating can get into in the water tank 17 through outlet pipe 61, the setting of outlet duct 5 can prolong the heat exchange route of flue gas and water, and the heat of outlet duct 5 can be quick conduction to heat conduction dish 18, and heat exchange takes place with water through heat conduction dish 18, can more abundant utilization heat in the flue gas carries out preheating treatment to the water in the inlet tube 6, in the in-process of filtering the flue gas, drive bull stick 13 through servo motor 3 and rotate, can drive brush yoke 15 and rotate, brush yoke 15 rotates and can drive brush hair 151 and rotate, brush hair 151 rotates and can clean the bottom of filter screen 14, avoid filter screen 14 to block, and then can carry out long-time filtration to the flue gas, impurity and dust of filtration department can fall into the bottom of straining a section of thick bamboo 2 and collect, through screwing off sealed lid 12, impurity and dust in the flue gas that strain a section of thick bamboo 2 lower part was collected export.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification of the technical solutions described in the foregoing embodiments, and equivalent substitution of some technical features thereof, falls within the scope of the present utility model.

Claims

1. The utility model provides a flue gas circulation energy-conserving thermal power generation gas turbine device, includes combustion case (1), its characterized in that: the inside fixedly connected with water tank (17) of combustion case (1), the top fixedly connected with preheating tank (4) of combustion case (1), the inside fixedly connected with outlet duct (5) of preheating tank (4), the outside cover of outlet duct (5) is equipped with inlet tube (6), the part that outlet duct (5) are located in inlet tube (6) cup joints fixedly has heat-conducting disc (18), the one end of inlet tube (6) extends to outside preheating tank (4), and the other end of inlet tube (6) communicates with the inside of water tank (17) through outlet pipe (61), one side of the combustion box (1) is fixedly connected with a filter cylinder (2), the inside of the combustion box (1) is communicated with the inside of the filter cylinder (2) through an air inlet pipe (16), the inside of the filter cylinder (2) is fixedly connected with a filter screen (14), one end of an air outlet pipe (5) is communicated with the inside of the filter cylinder (2), the other end of the air outlet pipe (5) penetrates through the side wall of a water inlet pipe (6) and extends out of the preheating box (4), the inside of the water tank (17) is communicated with the inside of a steam turbine (9) through a steam air guide pipe (8), one side of the steam turbine (9) is fixedly connected with the combustion box (1), and the other side of the steam turbine (9) is fixedly connected with a generator (10).

2. The flue gas circulation energy-saving thermal power generation gas turbine device according to claim 1, wherein the gas inlet pipe (16) is located below the filter screen (14), the gas outlet pipe (5) is located above the filter screen (14), and the bottom screw thread of the filter cartridge (2) is screwed with the sealing cover (12).

3. The flue gas circulation energy-saving thermal power generation gas turbine device according to claim 2, wherein a servo motor (3) is fixedly arranged at the top of the filter cylinder (2), a rotating rod (13) is fixedly connected to the rotating end of the servo motor (3), and the lower end of the rotating rod (13) penetrates through a filter screen (14) and is fixedly connected with a brush holder (15).

4. A flue gas circulation energy-saving thermal power generation gas turbine device according to claim 3, wherein the brush holder (15) is fixedly connected with bristles (151) at the top, and the bristles (151) rotate against the bottom of the filter screen (14).

5. The flue gas circulation energy-saving thermal power generation gas turbine device according to claim 1, wherein a feeding nozzle (11) is arranged on the front side of the combustion box (1), and a valve (7) is fixedly sleeved at one end of the water inlet pipe (6) positioned outside the preheating box (4).

6. The flue gas circulation energy-saving thermal power generation gas turbine device according to claim 1, wherein a plurality of heat conducting discs (18) on the gas outlet pipe (5) are uniformly arranged along the gas outlet pipe (5), and through holes (181) are formed in the heat conducting discs (18) in an annular array.