CN219389795U

CN219389795U - Thermal power plant waste heat recovery device

Info

Publication number: CN219389795U
Application number: CN202320583670.5U
Authority: CN
Inventors: 张卓烨
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-21
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a thermal power plant waste heat recovery device, which comprises a pipeline, wherein two ends of the pipeline are respectively communicated with a fire coal combustion fire grate air outlet and a dust removal tank air inlet, the pipeline comprises a first pipeline and a second pipeline which are fixedly connected through a connecting component, the connecting component comprises a connecting bracket, a clamping piece convenient to assemble and disassemble and a filtering piece used for filtering, a through groove used for the filtering piece to move is formed in the inner side wall of the connecting bracket, and the clamping piece used for fixing is arranged between the inner wall of the through groove of the connecting bracket and one end of the filtering piece. According to the utility model, the detachable filter device is arranged between the dust removal tank body and the gas outlet of the coal combustion furnace, so that large-particle dust impurities in waste gas are blocked outside the dust removal tank body, preliminary filtration of the waste gas impurities is completed, and the service life of a dust remover in the dust removal tank body is prolonged; the detachable arrangement of the filter device is also convenient for replacement and cleaning.

Description

Thermal power plant waste heat recovery device

Technical Field

The utility model relates to the technical field of heat energy recovery, in particular to a thermal power plant waste heat recovery device.

Background

Coal used in thermal power generation accounts for more than 50% of industrial coal, and thermal power generation generates a large amount of waste water and waste steam, and the discharged waste water and waste steam has the characteristics of large discharge capacity, high temperature and stable discharge, so that a large amount of waste heat can be continuously taken out, and the direct discharge of the waste water and waste steam causes great heat loss, so that limited energy sources cannot be fully utilized, and therefore, a heat recovery device is required to recycle the heat in the waste water and waste steam.

The utility model patent with Chinese patent number of 2020227087565 discloses a waste heat recycling system of a thermal power plant, which comprises a dust remover, a desulfurizing device, a first pipeline and a second pipeline, wherein the dust remover and the desulfurizing device are sequentially arranged on the surface of a base, the top of a chimney is communicated with the bottom of the dust remover through the first pipeline, and the top of the dust remover is communicated with the top of the desulfurizing device through the second pipeline. The utility model can better realize the recycling of the waste heat of the flue gas, but has the following problems:

because the waste gas generated by the thermal power plant has higher dust impurity content and often contains larger dust particles, the service life of the dust remover is generally shorter. Because the dust remover is arranged in the dust removing tank body, the dust remover is more troublesome to assemble, disassemble and replace, and the cost of the dust remover in the dust removing tank body is generally higher.

Disclosure of Invention

The utility model aims to provide a thermal power plant waste heat recovery device which aims to overcome the defects in the prior art.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

the waste heat recovery device of the thermal power plant comprises a waste heat recovery device body, wherein the waste heat recovery device body comprises a pipeline, two ends of the pipeline are respectively communicated with a fire coal combustion fire grate air port and a dust removal tank air port, and the waste heat recovery device is characterized in that the pipeline comprises a first pipeline and a second pipeline which are fixedly connected through a connecting component;

the connecting component comprises a connecting bracket, a clamping piece convenient to assemble and disassemble and a filtering piece used for filtering, wherein a through groove used for the movement of the filtering piece is formed in the inner side wall of the connecting bracket, and a clamping piece used for fixing is arranged between the inner wall of the through groove of the connecting bracket and one end of the filtering piece;

the clamping piece comprises a first cylinder and a second cylinder, wherein the outer surface of one end of the first cylinder is fixedly connected with one end of the filtering component, the second cylinder is arranged on the inner wall of the through groove, the inner side wall of the first cylinder is movably connected with the outer surface of the second cylinder, a third cylinder is arranged at the bottom of the first cylinder in a penetrating mode, and the inner side wall of the third cylinder is movably connected with a first support used for limiting.

Further, the second cylinder comprises a fixed support, one end of the fixed support is arranged on the inner side wall of the through groove, one end of the fixed support, far away from the through groove, is fixedly connected with a limiting support, and the outer surface of the limiting support is movably connected with a sliding support.

Further, the first support comprises a telescopic support and a spring, the bottom of the telescopic support extends out of a through hole formed in the third cylinder, the top of the telescopic support is movably connected with the bottom of the third cylinder, the top of the telescopic support is fixedly connected with a sliding head, the spring is arranged on the outer surface of the telescopic support in a surrounding mode, and one end, far away from the sliding head, of the telescopic support is attached to the inner wall of the third cylinder.

Further, the sliding support is diamond-shaped, and a semicircular groove matched with one end of the sliding support is formed in one end of the limiting support.

Further, the filter piece includes filtration frame and filter screen, the filtration frame sets up the logical inslot of linking bridge, the circular slot that is used for fixed filter screen has been seted up to filtration frame inner wall, filtration frame one end is fixed with the handle, the one end fixedly connected with first drum of handle is kept away from to the filtration frame.

Further, sealing gaskets are arranged at two ends of the filter screen, and the sealing gaskets are in interference fit with the first pipeline and the second pipeline.

The utility model has the beneficial effects that:

1. by arranging the filter screen, dust and impurities discharged by the coal-fired combustion furnace can be preliminarily filtered, so that large-particle dust and impurities are prevented from entering the dust removal tank body, and the service life of the dust remover is prolonged;

2. the filter frame is pushed by the handle, the inner wall of the first cylinder is connected with the second cylinder in an alignment way, the first bracket is clamped on the second cylinder, the first cylinder is fixed and the second cylinder is fixed, the first bracket is inwards contracted along the track of the second cylinder by inwards pushing, the first cylinder is separated from the second cylinder, and the filter screen is convenient to replace and clean.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a thermal power plant waste heat recovery device provided by the utility model;

FIG. 2 is a schematic view of a filter according to the present utility model;

FIG. 3 is a schematic view of a first cylinder according to the present utility model;

FIG. 4 is a schematic view of a second cylinder according to the present utility model;

fig. 5 is a schematic cross-sectional view of the engaging member according to the present utility model.

Reference numerals in the drawings: 1. a first pipe; 2. a second pipe; 3. a first cylinder; 4. a second cylinder; 5. a fixed support; 6. a limit bracket; 7. a semicircular groove; 8. a sliding support; 9. a third cylinder; 10. a first bracket; 11. a telescopic bracket; 12. a slide head; 13. a spring; 14. a filter frame; 15. a filter screen; 16. and (5) connecting the brackets.

Detailed Description

The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 to 5, the waste heat recovery device of the thermal power plant according to the embodiment of the utility model comprises a waste heat recovery device body, wherein the waste heat recovery device body comprises a pipeline with two ends respectively communicated with a fire coal combustion gas exhaust and a dust removal tank gas inlet, and the pipeline comprises a first pipeline 1 and a second pipeline 2 which are fixedly connected through a connecting component; the connecting component comprises a connecting bracket 16, a clamping piece convenient to assemble and disassemble and a filtering piece used for filtering, a through groove used for the movement of the filtering piece is formed in the inner side wall of the connecting bracket 16, a clamping piece used for fixing is arranged between the inner wall of the through groove of the connecting bracket 16 and one end of the filtering piece, the clamping piece comprises a first cylinder 3 and a second cylinder 4, the outer surface of one end of the first cylinder 3 is fixedly connected with one end of the filtering piece, the filtering piece comprises a filtering frame 14 and a filtering screen 15, the filtering frame 14 is arranged in the through groove of the connecting bracket 16, a circular groove used for fixing the filtering screen 15 is formed in the inner wall of the filtering frame 14, a handle is fixed at one end of the filtering frame 14, the first cylinder 3 is fixedly connected with one end of the filtering frame 14, two ends of the filtering screen 15 are provided with sealing gaskets, the sealing gaskets are in interference fit with the first pipeline 1 and the second pipeline 2, the second cylinder 4 is arranged on the inner wall of the through groove, the inner side wall of the first cylinder 3 is movably connected with the outer surface of the second cylinder 4, the bottom of the first cylinder 3 is penetrated with a third cylinder 9, the inner side wall of the third cylinder 9 is movably connected with a first bracket 10 used for limiting, the inner wall of the first cylinder 3 is connected with the second cylinder 4 in a counterpoint way, the first bracket 10 is clamped with the second cylinder 4, the first cylinder 3 is fixed and the second cylinder 4 is fixed, the first bracket 10 is contracted inwards along the track of the second cylinder 4 by pushing inwards, the first bracket 10 comprises a telescopic bracket 11 and a spring 13, the bottom of the telescopic bracket 11 extends out of a through hole formed by the third cylinder 9, the top of the telescopic bracket 11 is movably connected with the bottom of the third cylinder 9, the top of the telescopic bracket 11 is fixedly connected with a sliding head 12, the spring 13 is arranged on the outer surface of the telescopic bracket 11 in a surrounding way, one end of the telescopic bracket 11 far away from the sliding head 12 is attached to the inner wall of the third cylinder, make first drum 3 break away from second drum 4, second drum 4 includes fixed stay 5, and fixed stay 5 one end sets up in logical inslot wall, and fixed stay 5 is kept away from the one end fixedly connected with spacing support 6 of logical groove, and spacing support 6 surface swing joint has a sliding support 8, and sliding support 8 is the rhombus form, and spacing support 6 one end has seted up half slot 7 with sliding support 8 one end assorted.

The working principle of the utility model is as follows:

through setting up linking bridge 16 between first pipeline 1 and second pipeline 2, when the installation, through the handle to inside promotion, make first drum 3 inner wall and fixed stay 5 counterpoint, slide head 12 inwards contracts along with spacing support 6 one side, when slide head 12 reaches between spacing support 6 and the sliding support 8, spring 13 expands and resets slide head 12, make first drum 3 and second drum 4 fixed, thereby fix the filter on linking bridge 16, the sealed pad can guarantee that the surplus waste heat of thermal power plant that passes through can not leak, the surplus waste heat of thermal power plant flows out second pipeline 2 through the filter in the linking bridge 16 by first pipeline 1, filter screen 15 filters the impurity in the thermal power plant Yu Feire of flow, when dismantling the washing, inwards push filter frame 14 through the handle, make slide head 12 inwards contract along spacing support 6 one side, at this moment outwards pull filter frame 14 through the handle, slide head 12 slides along sliding support 8 one side and drives sliding support 8, sliding support 8 contracts to half groove 7, slide head 8 contracts to one end that slides along sliding support 8 side 6, at this moment is followed by the filter frame 12 and is removed from sliding support 8 side, the filter head 12 is removed from spacing support 12 in proper order, the degree of doing so that the filter head 12 is removed from the side of sliding support 12, the certain expansion efficiency of sliding support 12 is removed or the end is removed at this moment, the end is removed from the end of sliding support 12 is removed, the end is removed gradually, and the filter screen is removed from the end of sliding support 12, and is removed from the end is removed, and is removed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The waste heat recovery device of the thermal power plant comprises a waste heat recovery device body, wherein the waste heat recovery device body comprises a pipeline, two ends of the pipeline are respectively communicated with a fire coal combustion fire gas outlet and a dust removal tank gas inlet, and the waste heat recovery device is characterized in that the pipeline comprises a first pipeline (1) and a second pipeline (2) which are fixedly connected through a connecting component;

the connecting component comprises a connecting bracket (16), a clamping piece convenient to assemble and disassemble and a filtering piece for filtering waste heat and impurities of the thermal power plant, wherein a through groove for the movement of the filtering piece is formed in the inner side wall of the connecting bracket (16), and a clamping piece for fixing is arranged between the inner wall of the through groove of the connecting bracket (16) and one end of the filtering piece;

the clamping piece comprises a first cylinder (3) and a second cylinder (4), wherein one end of the first cylinder (3) is fixedly connected with one end of the filtering component, the second cylinder (4) is arranged on the inner wall of the through groove, the inner side wall of the first cylinder (3) is movably connected with the outer surface of the second cylinder (4), a third cylinder (9) is arranged at the bottom of the first cylinder (3) in a penetrating mode, and a first support (10) used for limiting is movably connected with the inner side wall of the third cylinder (9).

2. The thermal power plant waste heat recovery device according to claim 1, wherein the second cylinder (4) comprises a fixed support (5), one end of the fixed support (5) is arranged on the inner side wall of the through groove, one end of the fixed support (5) away from the through groove is fixedly connected with a limiting support (6), and the outer surface of the limiting support (6) is movably connected with a sliding support (8).

3. The thermal power plant waste heat recovery device according to claim 1, wherein the first bracket (10) comprises a telescopic bracket (11) and a spring (13), the bottom of the telescopic bracket (11) extends out of a through hole formed in the third cylinder (9), the top of the telescopic bracket (11) is movably connected with the bottom of the third cylinder (9), the top of the telescopic bracket (11) is fixedly connected with a sliding head (12), the spring (13) is annularly arranged on the outer surface of the telescopic bracket (11), and one end of the telescopic bracket (11) far away from the sliding head (12) is attached to the inner wall of the third round pipe.

4. The thermal power plant waste heat recovery device according to claim 2, wherein the sliding support (8) is diamond-shaped, and a semicircular groove (7) matched with one end of the sliding support (8) is formed at one end of the limiting support (6).

5. The thermal power plant waste heat recovery device according to claim 1, wherein the filtering piece comprises a filtering frame (14) and a filtering net (15), the filtering frame (14) is arranged in a through groove of the connecting bracket (16), a round groove for fixing the filtering net (15) is formed in the inner wall of the filtering frame (14), a handle is fixed at one end of the filtering frame (14), and a first cylinder (3) is fixedly connected to one end, far away from the handle, of the filtering frame (14).

6. The thermal power plant waste heat recovery device according to claim 5, wherein sealing gaskets are arranged at two ends of the filter screen (15), and the sealing gaskets are in interference fit with the first pipeline (1) and the second pipeline (2).