CN105737160A - Urban household garbage burning technology - Google Patents

Abstract

The invention relates to an urban household garbage burning technology. According to the technology, an urban household garbage burning device is utilized for burning urban household garbage, comprises a box body, a smoke dust inlet pipe and a smoke dust outlet pipe and further comprises two filter baffles, a particle attaching beam, a control system and a sensing system; and the control system is located on the upper portion of the box body, a draught fan is arranged in a heat exchange box, a sensor is arranged on a filter net, and the control system is connected with the sensor and the draught fan through signal lines. According to the technology, the boiler heat efficiency is improved by 30% to 45%.

Description

Burning city domestic garbage technique

Technical field:

The present invention relates to boiler manfacturing technical field, be specifically related to a kind of burning city domestic garbage technique.

Background technology:

Saving the energy, protection environment is a fundamental state policy of China.At present, the enterprise of China comes into high speed development epoch, and the energy-saving and emission-reduction of enterprise, environmental protection consciousness is constantly strengthened.And, governments at all levels, in the work optimized the environment for investment, all give top priority improvement air and environmental pollution.

At present, China there are about 1,200,000 burning boilers and is distributed in boiler room, about more than 50 ten thousand, all parts of the country, and, these burning boiler major parts are still using traditional stove and combustion method, these boilers cannot accomplish fully burning as far as possible of fuel, therefore, has given off substantial amounts of flue dust, these flue dust enter in air, result in the aggravation of greenhouse effect；Additionally, the granule in flue dust is in an atmosphere, fog occurrence probability is caused to be greatly increased, and, these do not have clean-burning granule to be taken as waste discharge, cause the waste of resource.So, boiler is transformed, to improve its thermal efficiency, removes and the concentration of emission of reduction flue dust and harmful gas is imperative.In view of this technology needs, occurring in that the dust removal installations such as multitube, cyclone type, water curtain style on the market, for water curtain style, there is wretched insufficiency in it, e.g., wastes substantial amounts of water resource, improves the processing cost of flue dust；Fuel gas and flammable grit in flue dust can not reclaim utilization of burning again, and the waste heat in flue dust can not be recycled, and reduces the thermal efficiency of boiler；And, this structure is complicated, and production cost is high.

Summary of the invention:

The present invention overcomes the shortcoming existed in prior art, it is provided that a kind of burning city domestic garbage technique.This technology utilization municipal domestic garbage incinerator carries out, and municipal domestic garbage incinerator is provided with double medium filtration baffle plate, it is achieved effectively filter；It is provided with granule attachment beam, attachment beam is provided with some granule attachment post, more effectively realizes energy-saving and emission-reduction；It is provided with control system and sensor-based system so that control more accurate.

Technical solution of the present invention is: burning city domestic garbage technique, domestic waste is burned by described technology utilization municipal domestic garbage incinerator, described municipal domestic garbage incinerator includes casing, flue dust inlet pipe and flue dust go out pipe, also include two filtering baffle, granule attachment beam, control system and sensor-based system, adhere at granule and beam is provided with some granule attachment post, wherein, the top of described casing is further provided with heat exchange case, one end of described heat exchange case is provided with heat exchange medium input pipe, the other end is provided with heat exchange medium input pipe, described casing is further provided with back smoke pipe, described heat exchange case, described time smoke pipe and described casing secure weld；The described flue dust that is arranged below of described heat exchange case goes out pipe, and described heat exchange case is further provided with many superconducting pipes, and one end of described superconducting pipe extends to flue dust in described heat exchange case and goes out pipe, is solidly connected between described superconducting pipe and described heat exchange case；The front of described flue dust inlet pipe is provided with the two-layer drainage screen of ramp shaped, described drainage screen is provided with granule attachment post, it is further provided with winding sheet in described casing, angle between described granule attachment post and described drainage screen is 15-30 degree, being arranged below of described flue dust inlet pipe described returns smoke pipe, described winding sheet and described casing secure weld, between described granule attachment post and described drainage screen, screw screws up fastening；The outer wall of described casing is provided with aluminium silicate warming plate, the outer wall of described aluminium silicate warming plate is provided with steel plate, described steel plate, described aluminium silicate warming plate and described casing are one-body molded during fabrication, described drainage screen is further provided with filtering baffle, described filtering baffle is positioned at the top of described winding sheet, described filtering baffle is one-body molded during fabrication with described drainage screen, occurs in pairs.Control system is positioned at casing top, is provided with blower fan in heat exchange case, and described drainage screen is provided with sensor, and control system is connected with sensor and blower fan respectively by holding wire.Being provided with service hatch on described casing, described service hatch is positioned at the described side returning smoke pipe, and described service hatch is one-body molded during fabrication with described casing.

Burning city domestic garbage flow process is:

1) burning smoke discharging pipe is set up；

2) burn smoke discharging pipe to be connected with the flue dust inlet pipe of municipal domestic garbage incinerator；

3) flue dust enters from flue dust inlet pipe, imperfect combustion bulky grain is stopped by granule attachment post and drops on casing, and after the filtered net of little granule stops, little granule is fallen on winding sheet along the filtering baffle on drainage screen, due to the gradient of winding sheet, little granule also tumbles at box bottom；

4) imperfect combustion bulky grain and little granule, under the drive of hot-fluid, are blown back in boiler along returning smoke pipe, to accomplish to make it fully burn as much as possible again；

5) after soot emissions, have passed through granule attachment post, drainage screen etc. goes out dirt step, greatly reduces the dust being discharged in air, is conducive to the protection of environment.

Technique of the present invention improves boiler thermal output 30%-45%.

Present invention have the beneficial effect that

1) technique of the present invention improves boiler thermal output 30%-45%.

2) the relied on equipment of the present invention is provided with granule attachment beam, is provided with some granule attachment post, more effectively realizes energy-saving and emission-reduction on attachment beam.

3) the relied on equipment of the present invention is provided with control system and sensor-based system so that control more accurate.

4) heat exchange case on the casing of the relied on equipment of the present invention is arranged on flue dust and goes out the top of pipe, superconducting pipe within heat exchange case extends to flue dust and goes out in pipe, one end of heat exchange case connects heat exchange medium input pipe, the other end connects heat exchange medium outlet tube, flue dust goes out the superconducting pipe in pipe and absorbs the heat in flue dust, superconducting pipe transfers heat to heat exchange case, makes full use of and reclaimed the high-temperature residual heat carried in flue dust, substantially increases the thermal efficiency of boiler.

5) front of the flue dust inlet pipe of the relied on equipment of the present invention is provided with drainage screen, has both decreased the waste of the energy, has accomplished that again the recovery of fuel gas and granule carries out second-time burning.Namely the thermal efficiency of boiler is substantially increased.

Accompanying drawing illustrates:

Fig. 1 is the structural representation of the present invention.

Accompanying drawing identifies:

1, heat exchange medium outlet tube 2, heat exchange case 3, superconducting pipe

4, heat exchange medium input pipe 5, casing 6, drainage screen

7, aluminium silicate warming plate 8, granule attachment post 9, flue dust inlet pipe

10, smoke pipe 11, service hatch 12, winding sheet are returned

13, steel plate 14, filtering baffle 15, flue dust go out pipe

16, sensor 17, granule adhere to beam 18, control system

19, blower fan.

Detailed description of the invention:

Below in conjunction with accompanying drawing, the present invention will be described.

Burning city domestic garbage flow process is:

1) burning smoke discharging pipe is set up；

2) burn smoke discharging pipe to be connected with the flue dust inlet pipe of municipal domestic garbage incinerator；

3) flue dust enters from flue dust inlet pipe, imperfect combustion bulky grain is stopped by granule attachment post and drops on casing, and after the filtered net of little granule stops, little granule is fallen on winding sheet along the filtering baffle on drainage screen, due to the gradient of winding sheet, little granule also tumbles at box bottom；

4) imperfect combustion bulky grain and little granule, under the drive of hot-fluid, are blown back in boiler along returning smoke pipe, to accomplish to make it fully burn as much as possible again；

5) after soot emissions, have passed through granule attachment post, drainage screen etc. goes out dirt step, greatly reduces the dust being discharged in air, is conducive to the protection of environment.

Technique of the present invention improves boiler thermal output 30%-45%.

The structure of the relied on equipment of this present invention is: as shown in Figure 1, equipment includes casing 5, flue dust inlet pipe 9 and flue dust go out pipe 15, the top of casing 5 is further provided with heat exchange case 2, one end of heat exchange case 2 is provided with heat exchange medium input pipe 4, the other end is provided with heat exchange medium input pipe 1, and casing 5 is further provided with back smoke pipe 10, heat exchange case 2, time smoke pipe 10 and casing 5 secure weld.The flue dust that is arranged below of heat exchange case 2 goes out pipe 15, and heat exchange case 2 is further provided with many superconducting pipes 3, and one end of superconducting pipe 3 extends to flue dust in heat exchange case 2 and goes out pipe 15, is solidly connected between superconducting pipe 3 and heat exchange case 2.The front of flue dust inlet pipe 9 is provided with the drainage screen 6 of ramp shaped, drainage screen 6 is provided with granule attachment post 8, winding sheet 12 it is further provided with in casing 5, angle between granule attachment post 8 and drainage screen 6 is 15-30 degree, flue dust inlet pipe 9 be arranged below back smoke pipe 10, winding sheet 12 and casing 5 secure weld, adhere at granule and be provided with granule attachment post 8 on beam 17, and between granule attachment post 8 and drainage screen 6, screw screws up fastening.The outer wall of casing 5 is provided with aluminium silicate warming plate 7, the outer wall of aluminium silicate warming plate 7 is provided with steel plate 13, steel plate 13, aluminium silicate warming plate 7 and casing 5 are one-body molded during fabrication, drainage screen 6 is further provided with filtering baffle 14, filtering baffle 14 is positioned at the top of winding sheet 12, filtering baffle 14 and drainage screen 6 have two, and filtering baffle 14 is one-body molded during fabrication with drainage screen 6.Being provided with service hatch 11 on casing 5, service hatch 11 is positioned at go back to the side of smoke pipe 10, and service hatch 11 is one-body molded during fabrication with casing 5.Open service hatch 11 and can clear up the dust overstock bottom casing 5.

Control system 18 is positioned at casing 5 top, is provided with blower fan 19 in heat exchange case 2, and described drainage screen 6 is provided with sensor 16, and control system 18 is connected with sensor 16 and blower fan 19 respectively by holding wire.

Heat exchange case on casing of the present invention is arranged on flue dust and goes out the top of pipe, superconducting pipe within heat exchange case extends to flue dust and goes out in pipe, one end of heat exchange case connects heat exchange medium input pipe, the other end connects heat exchange medium outlet tube, flue dust goes out the superconducting pipe in pipe and absorbs the heat in flue dust, superconducting pipe (is generally copper pipe) and transfers heat to heat exchange case, when heat exchange medium (such as water) flows through heat exchange case, heat exchange medium is heated, so, namely make full use of and reclaimed the high-temperature residual heat carried in flue dust, substantially increasing the thermal efficiency of boiler.The front of the flue dust inlet pipe of the present invention is provided with drainage screen, drainage screen is connected to granule attachment post, flue dust enters from flue dust inlet pipe, imperfect combustion bulky grain is stopped by granule attachment post and drops on casing, after the filtered net of little granule stops, little granule is fallen on winding sheet along the filtering baffle on drainage screen, and due to the gradient of winding sheet, little granule also tumbles at box bottom.Imperfect combustion bulky grain and little granule, under the drive of hot-fluid, are blown back in boiler along returning smoke pipe, to accomplish to make it fully burn as much as possible again.So, both decreased the waste of the energy, accomplished again that the recovery of fuel gas and granule carried out second-time burning.Namely the thermal efficiency of boiler is substantially increased.After flue dust discharges from the present invention, have passed through granule attachment post, drainage screen etc. goes out dirt step, greatly reduces the dust being discharged in air, is conducive to the protection of environment.Present configuration is reasonable, and production cost is low, it is achieved that environmental protection and energy-conservation double effects, not additional any power-equipment, it is not necessary to maintenance, can improve boiler thermal output 30%-45%.In sum, advantages of the present invention simple in construction, easy to use, the thermal efficiency is high, and production cost is low, and fuel gas and combustible granules in flue dust can reclaim and carry out second-time burning, and the heat carried in flue dust can be made to be fully used.

Claims (1)

1. burning city domestic garbage technique, it is characterized in that: domestic waste is burned by described technology utilization municipal domestic garbage incinerator, described municipal domestic garbage incinerator includes casing, flue dust inlet pipe and flue dust and goes out pipe, also include two filtering baffle, granule attachment beam, control system and sensor-based system, control system is positioned at casing top, blower fan is installed in heat exchange case, described drainage screen is provided with sensor, and control system is connected with sensor and blower fan respectively by holding wire；Burning city domestic garbage flow process is:

1) burning smoke discharging pipe is set up；

2) burn smoke discharging pipe to be connected with the flue dust inlet pipe of municipal domestic garbage incinerator；

3) flue dust enters from flue dust inlet pipe, imperfect combustion bulky grain is stopped by granule attachment post and drops on casing, and after the filtered net of little granule stops, little granule is fallen on winding sheet along the filtering baffle on drainage screen, due to the gradient of winding sheet, little granule also tumbles at box bottom；

4) imperfect combustion bulky grain and little granule, under the drive of hot-fluid, are blown back in boiler along returning smoke pipe, to accomplish to make it fully burn as much as possible again；

5), after soot emissions, have passed through granule attachment post, the dust removal step such as drainage screen, greatly reduce the dust being discharged in air, be conducive to the protection of environment.