CN215909747U - Waste heat recovery device for thermal power generation - Google Patents

Abstract

The utility model discloses a waste heat recovery device for thermal power generation, which belongs to the technical field of thermal power plants and comprises a box body, a motor and a waste heat recovery box, wherein the motor is fixedly arranged at the center of the top of the box body, an air outlet is arranged at one side of the top of the box body, a plurality of air inlets are formed in the side wall of the box body, a heat conduction pipe is fixedly connected between the box body and the waste heat recovery box, supporting legs are fixedly arranged at four corners of the bottom of the box body, a discharge outlet is formed in the center of the bottom of the box body, a rotating mechanism and a cleaning mechanism are arranged in the box body, the rotating mechanism is matched with the cleaning mechanism, and the rotating mechanism is connected to the output end of the motor. According to the utility model, the motor drives the rotating mechanism to work, so that the scraper in the rotating mechanism rotates along the inner wall of the box body, and the residue remained on the inner wall of the box body is shoveled, thereby preventing the situation that the residual residue is remained on the inner wall of the box body for a long time to cause the reduction of the waste heat recovery efficiency.

Description

Waste heat recovery device for thermal power generation

Technical Field

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

Background

The thermal power technology must be improved continuously, can meet the harmonious social requirement of the continuous development, because of the situations of water resource and energy shortage, environmental pollution worsen increasingly at present, the flue gas waste heat of the power plant is reasonably and effectively utilized, the efficiency of the thermal power unit is improved, the reduction of coal consumption is one of the main and important measures for energy saving, in the thermal power plant, the problem of the utilization of the exhaust smoke waste heat of the boiler is a difficult problem which puzzles people all the time, therefore, the flue gas waste heat system is arranged, the thermal efficiency of the thermal power plant can be greatly improved, and the coal consumption is reduced.

Current waste heat recovery device is retrieved the heat in waste gas or the waste water of high temperature, and waste gas the inside remains some dust particles easily and is inhaled waste heat recovery device usually in, remains on the device inner wall, is difficult to clear up, influences the heat transfer effect, leads to waste heat recovery device efficiency to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides the waste heat recovery device for the thermal power generation, which has a reasonable structural design and can automatically clean impurities on the inner wall of the device.

The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a waste heat recovery device for thermal power, its characterized in that, includes box, motor and waste heat recovery case, motor fixed mounting is in the top center department of box, one side at box top is provided with the gas outlet, a plurality of air inlet has been seted up to the lateral wall of box, fixedly connected with heat pipe between box and the waste heat recovery case, the equal fixed mounting in bottom four corners department of box has the supporting leg, the bottom center department of box has seted up the discharge gate, be provided with rotary mechanism and clearance mechanism in the box, rotary mechanism and clearance mechanism phase-match, rotary mechanism connects the output at the motor.

Further, rotary mechanism includes the pivot, the one end fixed connection of pivot is at the output of motor, the other end fixedly connected with carousel of pivot, the top both sides of carousel all rotate and are connected with the cylinder, all be provided with the linkage frame on the cylinder, the linkage frame all rotates with the cylinder to be connected, the spout has all been seted up on the linkage frame, the linkage frame is kept away from the equal fixed mounting of cylindrical one end and is had the fixed column, the equal fixed mounting in top of fixed column has the scraper blade, the scraper blade all with the inner wall phase-match of box, the equal fixedly connected with traveller in bottom of fixed column, equal fixed mounting has the shovel board on the traveller.

Further, an inner ring plate and an outer ring plate are fixedly installed at the bottom in the box body, an annular groove is formed between the inner ring plate and the outer ring plate, and the sliding column is connected in the annular groove in a sliding mode.

Further, clearance mechanism includes the master gear, master gear fixed mounting is in the pivot, the equal meshing in master gear both sides is connected with driven gear, the equal fixed mounting in driven gear is on the cylinder, the equal fixed mounting in cylindrical top has the disc, the equal fixed mounting in top of disc has the linkage post, all rotate on the linkage post and be connected with the linkage plate, the one end fixedly connected with spliced pole of linkage post is kept away from to the linkage plate, the equal fixed mounting in bottom of spliced pole has the slider, the equal fixed mounting in bottom of slider has the push pedal, the slider passes through spout and linkage frame sliding connection.

Compared with the prior art, the utility model has the following advantages and effects: the motor drives the rotating mechanism to work, so that the scraper in the rotating mechanism rotates along the inner wall of the box body, residues remained on the inner wall of the box body are shoveled, and the situation that the residual heat recovery efficiency is reduced due to the fact that the residues are remained on the inner wall of the box body for a long time is prevented.

Drawings

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

FIG. 2 is a schematic structural view of the interior of the case of the present invention;

FIG. 3 is a schematic structural view of the rotating mechanism of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic structural view of the cleaning mechanism of the present invention;

in the figure: the device comprises a box body 1, supporting legs 2, a heat conduction pipe 3, a waste heat recovery box 4, a motor 5, an air outlet 6, an air inlet 7, a rotating mechanism 8, a rotating shaft 801, a rotating disc 802, a cylinder 803, a linkage frame 804, a scraping plate 805, a fixing column 806, a sliding chute 807, a sliding column 808, a shovel plate 809, an inner ring plate 810, an outer ring plate 811, an annular groove 812, a discharge port 9, a cleaning mechanism 10, a main gear 1001, a driven gear 1002, a push plate 1003, a sliding block 1004, a connecting column 1005, a linkage plate 1006, a linkage column 1007 and a disc 1008.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Examples are given.

Referring to fig. 1 to 4, in the embodiment, a waste heat recovery device for thermal power generation, including a box 1, a motor 5 and a waste heat recovery box 4, the motor 5 is fixedly installed at the top center of the box 1, one side of the top of the box 1 is provided with an air outlet 6, a plurality of air inlets 7 are opened on the side wall of the box 1, a heat conduction pipe 3 is fixedly connected between the box 1 and the waste heat recovery box 4, supporting legs 2 are fixedly installed at four corners of the bottom of the box 1, a discharge port 9 is opened at the bottom center of the box 1, a rotating mechanism 8 and a cleaning mechanism 10 are arranged in the box 1, the rotating mechanism 8 is matched with the cleaning mechanism 10, and the rotating mechanism 8 is connected at the output end of the motor 5.

The rotating mechanism 8 comprises a rotating shaft 801, one end of the rotating shaft 801 is fixedly connected to the output end of the motor 5, a turntable 802 is fixedly connected to the other end of the rotating shaft 801, cylinders 803 are rotatably connected to two sides of the top of the turntable 802, linkage frames 804 are arranged on the cylinders 803, the linkage frames 804 are rotatably connected with the cylinders 803, chutes 807 are formed in the linkage frames 804, fixing columns 806 are fixedly mounted at one ends of the linkage frames 804 far away from the cylinders 803, scraping plates 805 are fixedly mounted at the tops of the fixing columns 806, the scraping plates 805 are matched with the inner wall of the box body 1, sliding columns 808 are fixedly connected to the bottoms of the fixing columns 806, shovel plates 809 are fixedly mounted on the sliding columns 808, and when the cylinders 803 rotate around the rotating shaft 801, the scraping plates 805 can be driven to rotate along the inner wall of the box body 1 through the linkage frames 804 and the fixing columns 806.

An inner ring plate 810 and an outer ring plate 811 are fixedly arranged at the bottom in the box body 1, an annular groove 812 is arranged between the inner ring plate 810 and the outer ring plate 811, a sliding column 808 is connected in the annular groove 812 in a sliding manner, and when the cylinder 803 rotates around the rotating shaft 801, the sliding column 808 can be driven to slide in the annular groove 812 through the linkage frame 804 and the fixing column 806.

The working principle is as follows: the device is through opening motor 5, it rotates to drive pivot 801, when pivot 801 is rotatory, the carousel 802 of pivot 801 bottom is rotatory along with pivot 801, when carousel 802 is rotatory, it uses pivot 801 to rotate as the center to drive cylinder 803, when cylinder 803 is rotatory, through linkage frame 804 and fixed column 806, it rotates along the inner wall of box 1 to drive the scraper blade 805 of both sides, will remain the residue on the inner wall of box 1 and clear up, when cylinder 803 drives fixed column 806 rotatory, fixed column 806 drives traveller 808 of below and slides along ring channel 812, because install shovel board 809 on the traveller 808, can carry out the shovel with the residue that drops in ring channel 812 except ring channel 812.

Referring to fig. 5, the cleaning mechanism 10 includes a main gear 1001, the main gear 1001 is fixedly mounted on a rotating shaft 801, both sides of the main gear 1001 are engaged with driven gears 1002, the driven gears 1002 are fixedly mounted on cylinders 803, the tops of the cylinders 803 are fixedly mounted with discs 1008, the tops of the discs 1008 are fixedly mounted with linkage columns 1007, the linkage columns 1007 are rotatably connected with linkage plates 1006, one ends of the linkage plates 1006 far away from the linkage columns 1007 are fixedly connected with connecting columns 1005, the bottoms of the connecting columns 1005 are fixedly mounted with sliders 1004, the bottoms of the sliders 1004 are fixedly mounted with push plates 1003, and the sliders 1004 are slidably connected with the linkage frame 804 through sliding grooves 807.

The working principle is as follows: the cleaning mechanism 10 drives a main gear 1001 to rotate through rotation of a rotating shaft 801, the main gear 1001 drives a driven gear 1002 to rotate through meshing connection, the driven gear 1002 rotates to drive a cylinder 803 to rotate on a rotating disc 802, when the cylinder 803 rotates, a disc 1008 is driven to rotate, a linkage column 1007 at the top of the disc 1008 rotates along with the cylinder, when the linkage column 1007 rotates on the disc 1008, a sliding block 1004 is driven to slide back and forth in a sliding groove 807 through a linkage plate 1006 and a connecting column 1005, and when the sliding block 1004 slides back and forth in the sliding groove 807, a push plate 1003 is driven to slide back and forth at the bottom in the box body 1, and residues falling at the bottom in the box body 1 are pushed to a discharge port 9.

Those not described in detail in this specification are well within the skill of the art.

In addition, it should be noted that the above contents described in the present specification are only illustrations of the structures of the present invention. All equivalent variations of the structures, features and principles described in accordance with the present inventive concepts are included within the scope of the present invention. Those skilled in the art to which the utility model relates will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the utility model as disclosed in the accompanying claims.

Claims (4)

1. A waste heat recovery device for thermal power generation is characterized by comprising a box body (1), a motor (5) and a waste heat recovery box (4), the motor (5) is fixedly arranged at the center of the top of the box body (1), one side of the top of the box body (1) is provided with an air outlet (6), a plurality of air inlets (7) are arranged on the side wall of the box body (1), a heat conduction pipe (3) is fixedly connected between the box body (1) and the waste heat recovery box (4), supporting legs (2) are fixedly arranged at the four corners of the bottom of the box body (1), a discharge hole (9) is arranged at the center of the bottom of the box body (1), a rotating mechanism (8) and a cleaning mechanism (10) are arranged in the box body (1), the rotating mechanism (8) is matched with the cleaning mechanism (10), and the rotating mechanism (8) is connected to the output end of the motor (5).

2. The waste heat recovery device for thermal power generation according to claim 1, wherein the rotating mechanism (8) comprises a rotating shaft (801), one end of the rotating shaft (801) is fixedly connected to the output end of the motor (5), the other end of the rotating shaft (801) is fixedly connected with a turntable (802), two sides of the top of the turntable (802) are rotatably connected with cylinders (803), each cylinder (803) is provided with a linkage frame (804), each linkage frame (804) is rotatably connected with a cylinder (803), each linkage frame (804) is provided with a sliding chute (807), one end of each linkage frame (804) far away from the cylinder (803) is fixedly provided with a fixed column (806), the top of each fixed column (806) is fixedly provided with a scraper (805), each scraper (805) is matched with the inner wall of the box (1), and the bottom of each fixed column (806) is fixedly connected with a sliding column (808), shovel plates (809) are fixedly arranged on the sliding columns (808).

3. The waste heat recovery device for thermal power generation according to claim 2, wherein an inner ring plate (810) and an outer ring plate (811) are fixedly mounted on the bottom in the case (1), an annular groove (812) is provided between the inner ring plate (810) and the outer ring plate (811), and the spool (808) is slidably connected in the annular groove (812).

4. The waste heat recovery device for thermal power generation according to claim 2 or 3, wherein the cleaning mechanism (10) comprises a main gear (1001), the main gear (1001) is fixedly installed on a rotating shaft (801), both sides of the main gear (1001) are engaged with driven gears (1002), the driven gears (1002) are fixedly installed on a cylinder (803), a disc (1008) is fixedly installed on the top of the cylinder (803), a linkage column (1007) is fixedly installed on the top of the disc (1008), a linkage plate (1006) is rotatably connected on the linkage column (1007), a connecting column (1005) is fixedly connected to one end of the linkage plate (1006) far away from the linkage column (1007), a slider (1004) is fixedly installed on the bottom of the connecting column (1005), and a push plate (1003) is fixedly installed on the bottom of the slider (1004), the sliding block (1004) is connected with the linkage frame (804) in a sliding mode through a sliding groove (807).

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