CN106642129A - Novel garbage incineration process - Google Patents

Abstract

The invention relates to a novel garbage incineration process. According to the process, an urban garbage incineration device is utilized to incinerate urban garbage; the urban garbage incineration device comprises a box body, a dust inlet pipe and a dust outlet pipe and furthermore comprises two filtering baffle plates, a particle attachment beam, a control system and a sensing system; and the control system is located on the upper portion of the box body, a heat exchange box is internally provided with a draught fan, filtering meshes are provided with sensors, and the control system is connected with the sensors and the draught fan through signal lines respectively. By means of the process, boiler heat efficiency is improved by 30-45%.

Description

Refuse incineration technique

Technical field：

The present invention relates to boiler manfacturing technical field, and in particular to a kind of refuse incineration technique.

Background technology：

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

At present, China there are about 1,200,000 burning boilers and be distributed in all parts of the country about more than 50 in ten thousand boiler rooms, and, these burning boiler major parts are still using traditional stove and combustion method, these boilers cannot accomplish fully burning as far as possible for fuel, therefore, give off substantial amounts of flue dust, these flue dust are entered 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 greatly increase, 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, it is imperative to remove and reduce flue dust and the concentration of emission of harmful gass.In view of this technology needs, the dust removal installations such as multitube, cyclone type, water curtain style are occurred in that on the market, by taking water curtain style as an example, it has wretched insufficiency, 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 reduce the thermal efficiency of boiler；And, this complex structure, production cost is high.

The content of the invention：

The present invention overcomes shortcoming present in prior art, there is provided a kind of refuse incineration technique.The technology utilization municipal domestic garbage incinerator is carried out, and municipal domestic garbage incinerator is provided with double medium filtration baffle plate, realizes effectively filtering；Granule attachment beam is provided with, if being provided with dry particl attachment post on attachment beam, energy-saving and emission-reduction is more effectively realized；It is provided with control system and sensor-based system so that control is more accurate.

Technical solution of the present invention is：Refuse incineration technique, the technology utilization municipal domestic garbage incinerator is burned to domestic waste, the municipal domestic garbage incinerator includes casing, flue dust inlet pipe and flue dust outlet pipe, also include two filtering baffles, granule adheres to beam, control system and sensor-based system, if being provided with dry particl attachment post on granule attachment beam, wherein, the top of the casing is further provided with heat exchange case, one end of the heat exchange case is provided with heat exchange medium input pipe, the other end is provided with heat exchange medium input pipe, smoke pipe is further provided with back on the casing, the heat exchange case, described time smoke pipe and the casing secure weld；The flue dust outlet pipe is provided with below the heat exchange case, many superconducting pipes are further provided with the heat exchange case, one end of the superconducting pipe extends in flue dust outlet pipe from the heat exchange case, is solidly connected between the superconducting pipe and the heat exchange case；The two-layer drainage screen of ramp shaped is provided with front of the flue dust inlet pipe, granule attachment post is provided with the drainage screen, winding sheet is further provided with the casing, angle between the granule attachment post and the drainage screen is 15-30 degree, described time smoke pipe is provided with below the flue dust inlet pipe, the winding sheet and the casing secure weld, screw screws up fastening between the granule attachment post and the drainage screen；Aluminium silicate warming plate is provided with the outer wall of the casing, steel plate is provided with the outer wall of the aluminium silicate warming plate, the steel plate, the aluminium silicate warming plate and the casing are integrally formed during fabrication, filtering baffle is further provided with the drainage screen, the filtering baffle is located at the top of the winding sheet, the filtering baffle is integrally formed during fabrication with the drainage screen, occurs in pairs.Control system is located at casing top, and blower fan is provided with heat exchange case, and the drainage screen is provided with sensor, and control system is connected respectively by holding wire with sensor and blower fan.Service hatch is provided with the casing, the service hatch is located at the side of described go back to smoke pipe, and the service hatch is integrally formed during fabrication with the casing.

Burning city domestic garbage flow process is：

1）Set up and burn smoke discharging pipe；

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

3）Flue dust is entered from flue dust inlet pipe, imperfect combustion bulky grain is stopped and is fallen on casing by granule attachment post, and after little granule is stopped by drainage screen, little particle is fallen on winding sheet along the filtering baffle on drainage screen, due to the gradient of winding sheet, little particle is also tumbled in box bottom；

4）Imperfect combustion bulky grain and little particle are blown back in boiler, to accomplish to make it fully burn as far as possible again under the drive of hot-fluid along smoke pipe is returned；

5）After soot emissions, have passed through granule attachment post, drainage screen etc. and go out dirt step, greatly reduce the dust being discharged in air, be conducive to the protection of environment.

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

The present invention has the beneficial effect that：

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

2）Institute's dependence equipment of the present invention is provided with granule attachment beam, if being provided with dry particl attachment post on attachment beam, more effectively realizes energy-saving and emission-reduction.

3）Institute's dependence equipment of the present invention is provided with control system and sensor-based system so that control is more accurate.

4）The heat exchange case that the present invention is relied on the casing of equipment is arranged on the top of flue dust outlet pipe, superconducting pipe inside heat exchange case is extended in flue dust outlet pipe, one end connection heat exchange medium input pipe of heat exchange case, the other end connects heat exchange medium outlet tube, superconducting pipe in flue dust outlet pipe 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）The present invention relies on and drainage screen is provided with front of the flue dust inlet pipe of equipment, has both reduced the waste of the energy, has accomplished that fuel gas and the recovery of granule carry out second-time burning again.Substantially increase the thermal efficiency of boiler.

Description of the drawings：

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

Accompanying drawing is identified：

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

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

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

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

13rd, steel plate 14, filtering baffle 15, flue dust outlet pipe

16th, sensor 17, granule attachment beam 18, control system

19th, blower fan.

Specific embodiment：

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

Burning city domestic garbage flow process is：

1）Set up and burn smoke discharging pipe；

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

3）Flue dust is entered from flue dust inlet pipe, imperfect combustion bulky grain is stopped and is fallen on casing by granule attachment post, and after little granule is stopped by drainage screen, little particle is fallen on winding sheet along the filtering baffle on drainage screen, due to the gradient of winding sheet, little particle is also tumbled in box bottom；

4）Imperfect combustion bulky grain and little particle are blown back in boiler, to accomplish to make it fully burn as far as possible again under the drive of hot-fluid along smoke pipe is returned；

5）After soot emissions, have passed through granule attachment post, drainage screen etc. and go out dirt step, greatly reduce the dust being discharged in air, be conducive to the protection of environment.

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

This present invention relies on the structure of equipment：As shown in Figure 1, equipment includes casing 5, flue dust inlet pipe 9 and flue dust outlet 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 smoke pipe 10, heat exchange case 2, time smoke pipe 10 and the secure weld of casing 5 are further provided with back on casing 5.The lower section of heat exchange case 2 is provided with flue dust outlet pipe 15, and many superconducting pipes 3 are further provided with heat exchange case 2, and one end of superconducting pipe 3 extends in flue dust outlet pipe 15 from heat exchange case 2, 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, granule attachment post 8 is provided with drainage screen 6, winding sheet 12 is further provided with casing 5, angle between granule attachment post 8 and drainage screen 6 is 15-30 degree, the lower section of flue dust inlet pipe 9 is provided with back smoke pipe 10, winding sheet 12 and the secure weld of casing 5, on granule attachment beam 17 granule attachment post 8 is provided with, and screw screws up fastening between granule attachment post 8 and drainage screen 6.Aluminium silicate warming plate 7 is provided with the outer wall of casing 5, steel plate 13 is provided with the outer wall of aluminium silicate warming plate 7, steel plate 13, aluminium silicate warming plate 7 and casing 5 are integrally formed during fabrication, filtering baffle 14 is further provided with drainage screen 6, filtering baffle 14 is located at the top of winding sheet 12, filtering baffle 14 has two with drainage screen 6, and filtering baffle 14 is integrally formed during fabrication with drainage screen 6.Service hatch 11 is provided with casing 5, service hatch 11 is located at go back to the side of smoke pipe 10, and service hatch 11 is integrally formed during fabrication with casing 5.Opening service hatch 11 can clear up the dust overstock in the bottom of casing 5.

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

Heat exchange case on casing of the present invention is arranged on the top of flue dust outlet pipe, superconducting pipe inside heat exchange case is extended in flue dust outlet pipe, one end connection heat exchange medium input pipe of heat exchange case, the other end connects heat exchange medium outlet tube, superconducting pipe in flue dust outlet pipe absorbs the heat in flue dust, superconducting pipe（Generally copper pipe）Heat exchange case is transferred heat to, works as heat exchange medium（Such as water）When flowing through heat exchange case, heat exchange medium be heated, thus, make full use of and reclaimed in flue dust carry high-temperature residual heat, substantially increase the thermal efficiency of boiler.Drainage screen is provided with front of the flue dust inlet pipe of the present invention, granule attachment post is connected with drainage screen, flue dust is entered from flue dust inlet pipe, imperfect combustion bulky grain is stopped and is fallen on casing by granule attachment post, after little granule is stopped by drainage screen, little particle is fallen on winding sheet along the filtering baffle on drainage screen, and due to the gradient of winding sheet, little particle is also tumbled in box bottom.Imperfect combustion bulky grain and little particle are blown back in boiler, to accomplish to make it fully burn as far as possible again under the drive of hot-fluid along smoke pipe is returned.Thus, both having reduced the waste of the energy, accomplish that fuel gas and the recovery of granule carry out second-time burning again.Substantially increase the thermal efficiency of boiler.After flue dust is discharged from the present invention, have passed through granule attachment post, drainage screen etc. and go out dirt step, greatly reduce the dust being discharged in air, be conducive to the protection of environment.Rationally, low production cost realizes the double effects of environmental protection and energy-conservation to present configuration, and not additional any power-equipment, without the need for maintenance, can improve boiler thermal output 30%-45%.In sum, advantages of the present invention simple structure, easy to use, the thermal efficiency is high, and low production cost, the fuel gas and combustible granules in flue dust can be reclaimed and carry out second-time burning, and the heat carried in flue dust can be made to be fully used.

Claims (1)

1. refuse incineration technique, is characterized in that：The technology utilization municipal domestic garbage incinerator is burned to domestic waste, the municipal domestic garbage incinerator includes casing, flue dust inlet pipe and flue dust outlet pipe, also include two filtering baffles, granule attachment beam, control system and sensor-based system, control system is located at casing top, blower fan is installed in heat exchange case, the drainage screen is provided with sensor, and control system is connected respectively by holding wire with sensor and blower fan；Burning city domestic garbage flow process is：

1）Set up and burn smoke discharging pipe；

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

3）Flue dust is entered from flue dust inlet pipe, imperfect combustion bulky grain is stopped and is fallen on casing by granule attachment post, and after little granule is stopped by drainage screen, little particle is fallen on winding sheet along the filtering baffle on drainage screen, due to the gradient of winding sheet, little particle is also tumbled in box bottom；

4）Imperfect combustion bulky grain and little particle are blown back in boiler, to accomplish to make it fully burn as far as possible again under the drive of hot-fluid along smoke pipe is returned；

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