CN2420503Y

CN2420503Y - Pyrolytic equipment for life refuse

Info

Publication number: CN2420503Y
Application number: CN 00234898
Authority: CN
Inventors: 唐志超
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-05-19
Filing date: 2000-05-19
Publication date: 2001-02-21
Anticipated expiration: 2010-05-19

Abstract

The utility model relates to pyrolytic equipment for life refuse, which is an oxygen-insulation pyrolytic equipment used for treating the life refuse and obtaining pyrolysis gas. The pyrolytic equipment for life refuse comprises a casing which comprises a chimney, a hopper, a pyrolysis gas outlet, a fuel inlet, a slag hole, a grate and an inclined casing bottom. The utility model is characterized in that pyrolytic cans are arranged in the casing; a feed gate which is communicated with the hopper is arranged on the top of the pyrolytic can; the inner part of the pyrolytic can is divided into a plurality of independent heating zones which are communicated with the space of the casing; combustion heaters are arranged in each heating zone; the heater comprises a casing of the heater, a metallic net, a wind pipe and a gas pipe which is sheathed in the wind pipe and is communicated with an external gas pipeline, and the gas pipe is provided with jet holes. The pyrolytic equipment for life refuse has the advantages of capable of continuous production, reliable operation, adjustable temperature in the can, low manufacture cost, etc.

Description

Domestic garbage pyrolysis equipment

The utility model relates to a kind ofly to be handled house refuse and obtains a kind of oxygen barrier pyrolysis plant that can be used for preparing the pyrolysis gas of high heating value combustion gas.

The existing equipment that is used for domestic garbage pyrolysis, as the equipment that is provided in the disclosed Chinese patent of CN1022649 " with the method and apparatus of producing combustible gases from municipal garbage ", also have following shortcoming: 1) complex structure, the moving component because of revolving burner is many, so the manufacturing cost of equipment is higher; 2) its be in operation power of being consumed is bigger, thereby the cost of operation is also than higher; 3) regulate because of the inconvenience of the reaction temperature on the different spatial in the revolving burner, so its pyrolysis effect is not ideal, the thermal efficiency is lower; 4) its moving component is more, so mechanical breakdown is also many, and because of the sealing between the moving component is relatively more difficult, causes the accident of combustible gas leakage easily, so work is not too reliable.

The purpose of this utility model is to overcome the shortcoming that exists in the above-mentioned prior art, provide a kind of domestic garbage pyrolysis equipment, so that characteristics such as that it has is safe and reliable, the thermal efficiency is high, the expense of the low cost of manufacture of equipment and day-to-day operation is few, easy to operate, long service life.

The utility model domestic garbage pyrolysis equipment includes a band chimney, hopper, pyrolysis gas outlet, fuel inlet, ash hole, slag notch, fire grate, housing at the bottom of the oblique shell, be characterized in: a pyrolytic tank is housed in the housing, have the material mouth that is communicated with hopper on this tank deck wall, at least contain two independently thermals treatment zone that are communicated with shell space in jar, in each thermal treatment zone combustion heater is housed, this heater includes one uncovered of a heater case of its both ends and is installed in the heater case and the airduct that is communicated with external air channel, and the Gas Pipe of a band spray orifice that is contained in airduct and is communicated with outside gas pipeline.

Combustion heater in the utility model pyrolysis plant can be inclination with housing top wall, also can be vertical.

Combustion heater in the utility model pyrolysis plant also can be equipped with wire netting between the inwall of its heater case and airduct outer wall.

Hopper on the utility model pyrolysis plant housing can be positioned at housing, and case top sidewall double as bucket wall.

The utility model pyrolysis plant also can be equipped with combustion heater between inner walls and pyrolytic tank lateral wall.

The utility model has the advantages that: 1) the utility model domestic garbage pyrolysis equipment can not only have been handled rubbish, protect environmental sanitation directly with the pyrolysis of rubbish oxygen barrier, but also has obtained can be made into the pyrolysis gas of high heating value combustion gas, brings benefit to the mankind; 2) in the utility model pyrolysis plant not with any movement parts, so mechanical breakdown is few, good seal performance, safe and reliable, more can not cause the accident of combustible gas leakage, and because of it does not need the expense of power drain reduction equipment operation; 3) the utility model has solved the serialization that has realized garbage disposal in the static equipment of no movement parts, makes big, the pyrolysis gas output height of garbage treatment quantity; 4) because of having the wire netting that can improve ignition temperature and help fuel gas buring in the combustion heater, and air quantity size, gas quantity all can be regulated by the valve on its external air channel or the gas pipeline, but the therefore reaction temperature conveniently regulating and controlling on the different spatial in the pyrolytic tank, thereby make the pyrolysis of the utility model equipment effective, the thermal efficiency is high; 5) the utility model equipment is rational in infrastructure, compact, so the cost of making is lower, and because of its maintenance capacity of nonmotile parts in the equipment reduces, the prolongation in service life.

To and contrast accompanying drawing by embodiment below, the utility model will be further described below, the theing contents are as follows of accompanying drawing:

Fig. 1～Fig. 8 is the structure chart of the utility model domestic garbage pyrolysis equipment first embodiment, and wherein Fig. 1 and Fig. 2 are respectively its main cutaway view and left views; Fig. 3 is the A-A cutaway view among Fig. 1; Fig. 4 is a piping diagram; Fig. 5 is the main cutaway view of combustion heater 12; Fig. 6 is the B-B cutaway view among Fig. 5; Fig. 7 is the C-C cutaway view among Fig. 5; Fig. 8 is the D-D cutaway view among Fig. 5;

Fig. 9 is the main cutaway view of the utility model second embodiment;

Figure 10 is the main cutaway view of the utility model the 3rd embodiment.

Fig. 1～Fig. 8 expresses the structure of the utility model domestic garbage pyrolysis equipment first embodiment.From Fig. 1 and Fig. 2, can see pyrolytic tank that it contains housing 8, install 9, one group of combustion heater 12 that is installed in the pyrolytic tank in housing.

Have chimney 1, hopper 2, pyrolysis gas outlet 3, fuel inlet 4, ash hole 5, slag notch 6, fire grate 7 on the housing 8, tiltedly at the bottom of the shell 13, fire grate and tiltedly all tilt and be communicated with at the bottom of the shell wherein to ash hole.

The tank body roof of pyrolytic tank 9 has the material mouth 10 that is communicated with hopper, jar contains three independently thermals treatment zone that are communicated with shell space, combustion heater 12 is housed in each thermal treatment zone, this heater can be seen from Fig. 5～Fig. 8,121 1 of the heater case that it includes its both ends through hole 11 are installed in the heater case and the airduct 123 that is communicated with external air channel 128, and the Gas Pipe 124 of a band spray orifice 125 that is contained in airduct and is communicated with outside gas pipeline 129.The diapire of tank body tilts and connection to slag notch 6.

In the present embodiment, between the inwall of heater case 121 and the airduct 123 wire netting 122 is housed, has wind hole 126 on the airduct 123.

Present embodiment also can be installed combustion heater 12 in the madial wall of housing 8 and the space between the pyrolytic tank lateral wall, and when housing is installed, can pass through support (for the purpose of clear, being represented among the figure) and be heated the inwall that the device shell is fixed on pyrolytic tank or housing.Combustion heater 12 is vertical with housing top wall in the present embodiment.

When using the utility model domestic garbage pyrolysis equipment, rubbish advances housing 8 from hopper 2 and also enters in the pyrolytic tank 9 by material mouth 10 again, fuel inlet from the housing 84 adds solid fuels then, with to heating at the bottom of the pyrolytic tank jar, meanwhile, valve (being represented among the figure) on breakdown external air channel and the outside gas pipeline again, with respectively to the airduct 123 of combustion heater 12 and Gas Pipe 124 air-supplies, send combustion gas, make combustion gas improve the temperature of burning in the heater internal combustion and by wire netting 122.At this moment the rubbish in the pyrolytic tank is by the oxygen barrier pyrolysis, and the pyrolysis gas that pyrolytic process comes out is drawn from pyrolysis gas outlet 3; The waste gas of combustion heater 12 internal combustion enters shell space by two ends through hole about its heater case, discharges from chimney 1 at this waste gas with the generation of tank base solid fuel ignition; The solid slag that produces after the pyrolysis in jar falls into slag notch along the jar end that tilts by deadweight; The lime-ash that solid slag burning back is produced, its ash can drop at the bottom of the inclined-plane shell 13 by fire grate, enter ash hole.In the whole pyrolytic process, the rubbish in the hopper should keep certain height, to form the material envelope, makes jar an interior rubbish and an isolate from outer air; Equally, also leaving a certain amount of slag charge respectively in slag notch seals.

Enter combustion gas in the combustion heater 12 and can be the on-condensible gas in the pyrolysis gas that makes in the utility model pyrolysis plant, and the each several part temperature in pyrolytic tank and the housing can monitor by Temperature Detector (being represented among the figure) respectively, and by the valve on external air channel, the outside gas pipeline combustion heater is regulated, can also be heated by adding solid fuel or the formed slag of pyrolysis.

The structure of the utility model domestic garbage pyrolysis equipment second embodiment can be seen from Fig. 9, different is with first embodiment for it: the combustion heater 12 that is positioned at pyrolytic tank can same be inclination with housing top wall, to increase uniformity that rubbish distributes in pyrolytic tank, to avoid occurring in the jar dead angle, and can delay rubbish left alone without help time of staying in jar, in order to improving pyrolysis efficient.

The structure of the utility model domestic garbage pyrolysis equipment the 3rd embodiment can be seen from Figure 10, different is that its hopper floor space is strengthened, and stretches in the body of heater with two embodiment for it, preheating and drying in order to strengthening rubbish is particularly useful for the high rubbish of water content.

Claims

1, a kind of domestic garbage pyrolysis equipment, it includes a band chimney (1), hopper (2), pyrolysis gas outlet (3), fuel inlet (4), ash hole (5), slag notch (6), fire grate (7), the housing (8) of (13) at the bottom of the oblique shell, it is characterized in that: a pyrolytic tank (9) is housed in the housing, have the material mouth (10) that is communicated with hopper on this tank deck wall, at least contain two independently thermals treatment zone that are communicated with shell space in jar, combustion heater (12) is housed in each thermal treatment zone, this heater includes (121) one uncovered of a heater case of its both ends and is installed in the heater case and the airduct (123) that is communicated with external air channel, and the Gas Pipe (124) of a band spray orifice (125) that is contained in airduct and is communicated with outside gas pipeline.

2, domestic garbage pyrolysis equipment as claimed in claim 1 is characterized in that: said combustion heater (12) is inclination with housing top wall.

3, domestic garbage pyrolysis equipment as claimed in claim 1 is characterized in that: said combustion heater (12) is vertical with housing top wall.

4, domestic garbage pyrolysis equipment as claimed in claim 1 is characterized in that: between the inwall of the heater case (121) of said combustion heater (12) and the airduct (123) wire netting (122) is housed, has wind hole (126) on the airduct (123).

5, domestic garbage pyrolysis equipment as claimed in claim 1 is characterized in that: said hopper (2) is positioned at housing, and case top sidewall double as bucket wall.

6, as claim 1 or 2 or 3 or 4 or 5 described domestic garbage pyrolysis equipment, it is characterized in that: combustion heater (12) is housed in the space between the lateral wall of said inner walls and pyrolysis tank body.