CN211739094U

CN211739094U - Household garbage incineration power generation system

Info

Publication number: CN211739094U
Application number: CN201922496604.0U
Authority: CN
Inventors: 许久强; 曾庆余; 邓卫星
Original assignee: Beijing Gaoantun Waste To Energy Co ltd
Current assignee: Beijing Gaoantun Waste To Energy Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-23
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a household garbage incineration power generation system, which comprises a garbage warehouse, a reciprocating mechanical grate incinerator, a water supply system for absorbing the heat of flue gas to generate steam, a steam turbine, a generator, a condenser communicated with the steam turbine for liquefying the steam and a cooling tower communicated with the condenser for reducing the water temperature; the reciprocating mechanical grate incinerator comprises an incinerator body, wherein a funnel-shaped inlet is arranged on the incinerator body, and a grate is arranged at the lower part of the incinerator body; a temporary storage platform is arranged in the furnace body right below the funnel-shaped inlet, and the lower part of the temporary storage platform corresponds to the inlet of the fire grate; a pushing assembly used for pushing the garbage on the temporary storage platform down is arranged on the furnace body at a position corresponding to the temporary storage platform; the grate inclines downwards, and from the top down corresponds in proper order and is divided into stoving section, burning section and burn out section, and the stoving section is corresponding to the below of platform of keeping in. The utility model has the characteristics of can high-efficient burn rubbish, the whole efficiency of lift system.

Description

Household garbage incineration power generation system

Technical Field

The utility model relates to a domestic waste handles, in particular to domestic waste burns power generation system.

Background

The natural ecological environment is the material basis of human production and life, and provides the most basic conditions of resources, energy sources and the like for the development of the economy and the society.

Environmental pollution has attracted extensive attention in all societies since the last half century, particularly in the treatment of household waste, but the waste treatment methods traditionally used, including stacking, landfill and incineration, have not been adapted to the needs of current social development. In recent years, the concept of waste incineration power generation is gradually accepted by society, and the concept of waste incineration power generation is heated year by year and is subject to the pursuit of various large waste treatment enterprises.

The Chinese authorization notice No. CN209116345U discloses a household garbage incineration power generation device, wherein a heating chamber, an incineration chamber, a garbage crushing chamber and a drying chamber are sequentially distributed on a device body from bottom to top; its equipment body is vertical arrangement structure, and rubbish needs through the multichannel checkpoint from last circulation extremely down, and every opens and shuts opening and closing of baffle all will waste certain extra time, has reduced msw incineration's efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a domestic waste burns power generation system, it has the high efficiency of ability and burns rubbish, the characteristics of the whole efficiency of hoist system.

The above object of the present invention can be achieved by the following technical solutions: a household garbage incineration power generation system comprises a garbage warehouse for storing crushed garbage, a reciprocating mechanical grate incinerator for incinerating the garbage, a water supply system for absorbing smoke heat to generate steam, a steam turbine for receiving the steam, a generator connected to the steam turbine for generating power, a condenser communicated with the steam turbine for liquefying the steam, and a cooling tower communicated with the condenser for reducing water temperature; the reciprocating mechanical grate incinerator comprises an incinerator body, wherein a funnel-shaped inlet is arranged on the incinerator body, and a grate is arranged at the lower part of the incinerator body; a temporary storage platform is arranged in the furnace body right below the funnel-shaped inlet, and the lower part of the temporary storage platform corresponds to the inlet of the fire grate; a pushing assembly used for pushing the garbage on the temporary storage platform down is arranged on the furnace body at a position corresponding to the temporary storage platform; the grate inclines downwards, and from the top down corresponds in proper order and is divided into stoving section, burning section and burn out section, and the stoving section is corresponding to the below of platform of keeping in.

By adopting the technical scheme, when in use, the garbage collected from each area in the urban area is classified firstly, sorted and crushed after being classified, and then sent into a garbage warehouse by a transport vehicle; after fermenting for 3-5 days in a garbage warehouse, starting to burn; when in incineration, the garbage is firstly placed into a funnel-shaped inlet, and the garbage vertically falls onto a temporary storage platform; after the garbage on the fire grate is burnt, the pushing assembly pushes the garbage down from the temporary storage platform, and the garbage sequentially passes through the drying section, the combustion section and the burnout section to finish combustion; the flue gas generated by the furnace body is sent into a water supply system, and is sent into a steam turbine after generating steam, the steam turbine drives a generator to generate electric energy, and the electric energy is merged into a power transmission network near a plant area; the condenser and cooling tower are responsible for condensing and cooling the spent steam for the steam turbine. Compared with the prior art, the utility model discloses well grate is the slope and arranges, and rubbish is comparatively smooth in the circulation of stoving, burning link, can high-efficiently burn rubbish, and entire system's operating efficiency is also higher.

The utility model discloses further set up to: the propelling movement subassembly includes the scraper blade and is used for ordering about the power spare that the scraper blade slided, the bottom and the platform sliding connection of keeping in of scraper blade and the both sides sliding connection of its both sides and furnace body.

Through adopting above-mentioned technical scheme, the simple structure of propelling movement subassembly uses comparatively reliably.

The utility model discloses further set up to: the pushing assembly also comprises a mounting base groove, a sliding rail, a connecting rod, a pulley and a connecting plate; the scraping plate is vertically arranged; two installation base grooves are arranged at the positions of the furnace body corresponding to the two sides of the scraper respectively; the slide rail is arranged in the installation base groove along the length direction of the installation base groove; two connecting rods are fixedly connected to the scraper, and the end parts of the connecting rods extend into the mounting base groove; two pulleys are respectively connected to the two connecting rods; the diameter of the middle part of each pulley is smaller than that of the two ends of each pulley, and the two pulleys are extruded up and down on the sliding rail and can slide along the sliding rail; the connecting plate is fixedly connected to the scraper and extends into the mounting base groove; the power part is arranged in the installation base groove and used for driving the connecting plate to move along the installation base groove.

Through adopting above-mentioned technical scheme, the operation of scraper blade can receive the guide of slide rail, and is more smooth during the slip.

The utility model discloses further set up to: the installation base groove is groove-shaped and is formed by the protrusion of the side wall of the furnace body from inside to outside.

Through adopting above-mentioned technical scheme, rubbish is difficult to get into in the installation basic groove.

The utility model discloses further set up to: the power part comprises a driving gear, a driven gear, a rotating shaft and a motor; the driving gear and the driven gear are respectively and rotatably supported at two ends of the mounting base groove; the chain is connected to the driving gear and the driven gear; the rotating shaft is rotatably supported on the furnace body, and two ends of the rotating shaft are fixedly connected with the two driving gears respectively; the motor is fixedly connected to the furnace body and fixedly connected with the rotating shaft; the connecting plate is fixedly connected with the chain.

Through adopting above-mentioned technical scheme, the simple structure of power spare, in use is comparatively reliable.

The utility model discloses further set up to: the lower part of the funnel-shaped inlet is provided with a plugging plate for closing and opening the opening of the funnel-shaped inlet and a plugging cylinder for driving the plugging plate.

By adopting the technical scheme, the opening of the funnel-shaped inlet is closed when the garbage is incinerated, so that the loss of smoke heat can be reduced.

The utility model discloses further set up to: a garbage hanging grab bucket is arranged in the garbage warehouse.

By adopting the technical scheme, the garbage hoisting grab bucket can conveniently grab and convey garbage into the inlet of the reciprocating mechanical grate incinerator.

The utility model discloses further set up to: a percolate discharge pipe is arranged at the bottom of the garbage warehouse.

By adopting the technical scheme, percolate generated by the garbage in the fermentation can be discharged from the position, and the dryness of the garbage is kept.

To sum up, the utility model discloses following beneficial effect has:

1. compared with the prior art, the fire grate is obliquely arranged, the circulation of the garbage in the drying and burning links is smooth, the garbage can be efficiently burnt, and the operation efficiency of the whole system is higher;

2. set up temporary storage platform and propelling movement subassembly, can be comparatively convenient send rubbish to the grate.

Drawings

FIG. 1 is a schematic structural diagram of a household garbage incineration power generation system;

FIG. 2 is a schematic diagram of a push assembly;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a garbage warehouse; 10. a transport vehicle; 11. a garbage crane grab bucket; 12. a percolate discharge pipe; 2. reciprocating mechanical grate incinerator; 20. a funnel-shaped inlet; 21. a plugging plate; 22. plugging the air cylinder; 23. a temporary storage platform; 24. a push assembly; 240. a squeegee; 241. installing a base groove; 242. a slide rail; 243. a connecting rod; 244. a pulley; 245. a connecting plate; 246. a power member; 2460. a driving gear; 2461. a driven gear; 2462. a chain; 2463. a rotating shaft; 2464. a motor; 25. an air supply barrel; 26. a conveyor belt; 3. a water supply system; 4. a steam turbine; 5. a generator; 6. a condenser; 7. and (5) cooling the tower.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1, a household garbage incineration power generation system includes a garbage warehouse 1 for storing crushed garbage, a reciprocating mechanical grate incinerator 2 for incinerating garbage, a water supply system 3 for absorbing heat of flue gas to generate steam, a steam turbine 4 for receiving steam, a power generator 5 connected to the steam turbine 4 for generating power, a condenser 6 communicated with the steam turbine 4 for liquefying the steam, and a cooling tower 7 communicated with the condenser 6 for reducing water temperature.

The garbage warehouse 1 is provided with a garbage inlet, and the sorted and crushed garbage is poured into the garbage inlet by a transport vehicle 10; a garbage hanging grab bucket 11 is arranged in the garbage warehouse 1, and the garbage hanging grab bucket 11 is used for grabbing garbage and sending the garbage to an inlet of the reciprocating mechanical grate incinerator 2; a percolate discharge pipe 12 is arranged at the bottom of the garbage warehouse 1, percolate generated in the fermentation of the garbage is discharged from the percolate discharge pipe, and the dryness of the garbage is kept.

The reciprocating mechanical grate incinerator 2 is provided with a funnel-shaped inlet 20, and the lower part of the funnel-shaped inlet 20 is provided with a plugging plate 21 for closing and opening the opening of the funnel-shaped inlet and a plugging cylinder 22 for driving the plugging plate 21; one side of the plugging plate 21 is hinged with one side of the funnel-shaped inlet 20, the plugging cylinder 22 is fixedly connected with the furnace body, and the output end of the plugging cylinder is hinged with the middle part below the plugging plate 21; when the plugging cylinder 22 works, the output end of the plugging cylinder pushes the plugging plate 21 to close the opening of the funnel-shaped inlet 20 or the plugging cylinder is pulled to rotate downwards to open the funnel-shaped inlet 20.

A temporary storage platform 23 is arranged in the reciprocating mechanical grate incinerator 2 under the corresponding funnel-shaped inlet 20, the upper surface of the temporary storage platform 23 is a plane, and the temporary storage platform 23 is used for temporarily storing garbage; the lower part of the temporary storage platform 23 corresponds to the inlet of the fire grate; a pushing assembly 24 for pushing the garbage on the temporary storage platform 23 is arranged on the furnace body at a position corresponding to the temporary storage platform 23.

The fire grate is obliquely and downwards arranged and is sequentially and correspondingly divided into a drying section, a combustion section and a burnout section from top to bottom, and the drying section corresponds to the lower part of the temporary storage platform 23; when the garbage falls off, a large amount of water in the garbage is evaporated in the drying section, the initial combustion is started, then the garbage reaches the combustion section and starts formal combustion to release heat, finally the garbage which is not burnt out can finish final combustion in the burn-out section, and residues after combustion are discharged from a slag discharge port on the furnace body corresponding to the lowest part of the grate; in order to facilitate the slag transportation, a conveying belt 26 is arranged below the slag discharge port; a plurality of groups of air supply cylinders 25 are arranged below the furnace body corresponding to the direction of the fire grate and used for supplying air into the fire grate.

The water supply system 3 continuously takes water from the outside, and forms a common boiler with the incinerator to fully absorb the heat of the flue gas to generate steam. The condenser 6 is a heat exchanger for condensing the exhaust steam of the steam turbine 4 into water, and is also called a water re-condenser.

Fig. 2 and 3, the pushing assembly 24 comprises a scraping plate 240, a mounting base groove 241, a sliding rail 242, a connecting rod 243, a pulley 244, a connecting plate 245 and a power piece 246; the scraper 240 is vertically arranged, the bottom of the scraper 240 is connected with the temporary storage platform 23 in a sliding manner, and two sides of the scraper 240 are connected with two sides of the furnace body in a sliding manner; the furnace body is provided with a mounting base groove 241 at the position corresponding to the two sides of the scraper 240 respectively, and the mounting base groove 241 is groove-shaped and is formed by the side wall of the furnace body protruding from inside to outside; the slide rail 242 is disposed in the installation base groove 241 along the length direction of the installation base groove 241; two connecting rods 243 are fixedly connected to the scraper 240, and the ends of the connecting rods 243 extend into the mounting base grooves 241; two pulleys 244 are connected to the two connecting rods 243; the diameter of the middle part of the pulley 244 is smaller than the diameters of the two ends, and the two pulleys 244 are extruded up and down on the sliding rail 242 and can slide along the sliding rail 242; the connecting plate 245 is fixedly connected to the scraper 240 and extends into the mounting base groove 241; the power member 246 is disposed in the mounting base groove 241 and can drive the connection plate 245 to move along the mounting base groove 241.

The power part 246 comprises a driving gear 2460, a driven gear 2461, a rotating shaft 2462 and a motor 2463; the driving gear 2460 and the driven gear 2461 are rotatably supported at both ends of the mounting base groove 241, respectively; the chain 2462 is connected to the driving gear 2460 and the driven gear 2461; the rotating shaft 2463 is rotatably supported on the furnace body, and two ends of the rotating shaft are fixedly connected with the two driving gears 2460 respectively; the motor 2463 is fixedly connected to the furnace body and fixedly connected with the rotating shaft 2463; the connecting plate 246 is fixedly connected to the chain 2462.

Referring to fig. 1 and 2, the utility model discloses a use method is, classify the rubbish that each region collected in the urban area earlier, sort after classifying, smash after sorting, then send into rubbish warehouse 1 by haulage vehicle 10; after 3-5 days of fermentation in the garbage warehouse 1, the incineration is started; when in incineration, an operator operates the garbage grab bucket 11 to place garbage into the funnel-shaped inlet 20, then the plugging air cylinder 22 drives the plugging plate 21 to be opened, the garbage vertically falls onto the temporary storage platform 23, and then the plugging air cylinder 22 drives the plugging plate 21 to be closed, so that heat loss is avoided; after the garbage on the grate is burnt, the pushing assembly 24 pushes the garbage down from the temporary storage platform 23, the garbage sequentially passes through the drying section, the combustion section and the burnout section to complete combustion, and combustion residues fall onto the conveying belt 26 from a slag outlet and are conveyed out of a workshop through the conveying belt 26; flue gas generated by the furnace body is sent into a water supply system 3, steam is generated and then sent into a steam turbine 4, the steam turbine 4 drives a generator 5 to generate electric energy, and the electric energy is merged into a power transmission network near a plant area; the condenser 6 and the cooling tower 7 are responsible for condensing and cooling the spent steam of the steam turbine 4.

Referring to fig. 2 and 3, when the pushing assembly 24 works, the motor 2464 drives the rotating shaft 2463 to rotate, the rotating shaft 2463 drives the driving gear 2460 to rotate, the driving gear 2460 drives the chain 2462 to transmit, and the chain 2462 drives the connecting plate 245 to move along the installation base groove 241, so as to drive the scraping plate 240 to move on the temporary storage platform 23 to push down the garbage.

The embodiment of this embodiment is the utility model discloses preferred embodiment is not according to this restriction the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a domestic waste burns power generation system which characterized in that: the garbage incinerator comprises a garbage warehouse (1) for storing crushed garbage, a reciprocating mechanical grate incinerator (2) for incinerating the garbage, a water supply system (3) for absorbing heat of flue gas to generate steam, a steam turbine (4) for receiving the steam, a generator (5) connected to the steam turbine (4) for generating power, a condenser (6) communicated with the steam turbine (4) for liquefying the steam and a cooling tower (7) communicated with the condenser (6) for reducing water temperature; the reciprocating mechanical grate incinerator (2) comprises an incinerator body, wherein a funnel-shaped inlet (20) is arranged on the incinerator body, and a grate is arranged at the lower part of the incinerator body; a temporary storage platform (23) is arranged in the furnace body right below the funnel-shaped inlet (20), and the lower part of the temporary storage platform (23) corresponds to the inlet of the fire grate; a pushing component (24) for pushing the garbage on the temporary storage platform (23) is arranged on the furnace body at a position corresponding to the temporary storage platform (23); the grate inclines downwards and is divided into a drying section, a combustion section and a burnout section from top to bottom, wherein the drying section is arranged below the temporary storage platform (23).

2. The household garbage incineration power generation system according to claim 1, wherein: the pushing assembly (24) comprises a scraper (240) and a power part (246) for driving the scraper (240) to slide, the bottom of the scraper (240) is connected with the temporary storage platform (23) in a sliding mode, and two sides of the scraper are connected with two sides of the furnace body in a sliding mode.

3. The household garbage incineration power generation system according to claim 2, wherein: the pushing assembly (24) further comprises a mounting base groove (241), a sliding rail (242), a connecting rod (243), a pulley (244) and a connecting plate (245); the scraper (240) is vertically arranged; two installation base grooves (241) are respectively arranged at the positions of the furnace body corresponding to the two sides of the scraper (240); the slide rail (242) is arranged in the installation base groove (241) along the length direction of the installation base groove (241); two connecting rods (243) are fixedly connected to the scraper (240), and the end parts of the connecting rods (243) extend into the mounting base groove (241); two pulleys (244) are respectively connected to the two connecting rods (243); the diameter of the middle part of each pulley (244) is smaller than that of each of the two ends of each pulley, and the two pulleys (244) are extruded up and down on the sliding rail (242) and can slide along the sliding rail (242); the connecting plate (245) is fixedly connected to the scraper (240) and extends into the mounting base groove (241); the power piece (246) is arranged in the installation base groove (241) and used for driving the connecting plate (245) to move along the installation base groove (241).

4. The household garbage incineration power generation system according to claim 3, wherein: the installation base groove (241) is groove-shaped and is formed by the side wall of the furnace body in a protruding mode from inside to outside.

5. The household garbage incineration power generation system according to claim 4, wherein: the power part (246) comprises a driving gear (2460), a driven gear (2461), a rotating shaft (2463) and a motor (2464); the driving gear (2460) and the driven gear (2461) are respectively and rotatably supported at two ends of the installation base groove (241); the chain (2462) is connected to the driving gear (2460) and the driven gear (2461); the rotating shaft (2463) is rotatably supported on the furnace body, and two ends of the rotating shaft are respectively fixedly connected with the two driving gears (2460); the motor (2464) is fixedly connected to the furnace body and fixedly connected with the rotating shaft (2463); the connecting plate (245) is fixedly connected with the chain (2462).

6. The household garbage incineration power generation system according to claim 1, wherein: a blocking plate (21) for closing and opening the opening of the funnel-shaped inlet (20) and a blocking cylinder (22) for driving the blocking plate (21) are arranged at the lower part of the funnel-shaped inlet.

7. The household garbage incineration power generation system according to claim 1, wherein: a garbage hanging grab bucket (11) is arranged in the garbage warehouse (1).

8. The household garbage incineration power generation system according to claim 1, wherein: a percolate discharge pipe (12) is arranged at the bottom of the garbage warehouse (1).