CN1069325A

CN1069325A - Multifunction crematory furnace

Info

Publication number: CN1069325A
Application number: CN 92110340
Authority: CN
Inventors: 黄哲元
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-09-18
Filing date: 1992-09-18
Publication date: 1993-02-24
Anticipated expiration: 2007-09-18
Also published as: CN1050414C

Abstract

The present invention relates to a kind of multifunction crematory furnace, comprise the primary zone that handles solid waste, in the middle of primary combustion and secondary combustion chamber,, and foul smell introduced high-temp combustion in the incinerator and the pressure fan of combustion air is provided as the flue of flammable liquid combustion chamber not.Its primary zone system sprays into hot-air about 150 ℃ by siege, with dry and stirring discarded object, improve combustion rate, its furnace wall has the structure of water-cooled furnace and fire-resistant tile stove concurrently, has to handle the effect that contains the higher high molecular waste material of the high mud of moisture and heat simultaneously.This incinerator has the comprehensive function of handling solid, liquids and gases discarded object simultaneously.

Description

Multifunction crematory furnace

The present invention relates to a kind of multifunction crematory furnace.

According to general traditional approach of past, the solid of incinerator, liquids and gases offal treatment are to distinguish independent design, therefore have problems such as cost height, complicated operation to exist.Had afterwards to possess a design with upper combustion chamber, so that make the incomplete combustion of introducing the discarded object in the combustion chamber partly can carry out secondary or repeated combustion, though this structure can make in the waste gas flue dust completing combustion uneconomical, cost is higher.

Because the change of lifestyle and the increase of petro chemical industry output macromolecular discarded object, make the character of urban waste and industrial waste also change thereupon, cause the processing of rubbish and discarded object more complicated, often promptly producing in same factory has liquid, gas and solid waste to need simultaneously treated situation.For example handle to be mixed with and contain high mud of moisture and the higher macromolecular discarded object of heat, the incinerator of traditional approach or thermopnore formula incinerating apparatus just can't obtain gratifying treatment effect, in other words, the design of at present general incinerator does not still possess the function of handling gas, liquid and solid simultaneously effectively.

For example, generally quicken the thermopnore formula incinerator of dry pending discarded object with high temperature silicon sand, when processing contained a large amount of plastics rubbish, it was too high to produce Yin Wendu, made silicon sand condense into piece and the shortcoming that can't flow.

And for example, when incinerator is constructed for the refractory brick formula, though be suitable for handling animal limb, but when handling high molecular waste material, then have following shortcoming: when furnace temperature surpasses 1300 ℃, need to adopt the spraying cooling for avoiding producing a large amount of Ox, the furnace wall is suffered erosion easily, cause reduce service life; And high because of radiant heat, when handling the plastics discarded object, can produce the phenomenon of imperfect combustion and over-emitting black exhaust owing to have little time to supply the burn air of usefulness; In addition, also can be because of operational collision make refractory brick cracked easily, fault rate is higher.

Purpose of the present invention promptly is to address the above problem, a kind of primary zone that handles solid waste that comprises is provided, in the middle of primary zone and secondary combustion chamber as flammable liquid and not flammable liquid (BOD, COD-BOD, the too high liquid of chemical oxygen consumption (COC)) combustion chamber flue and foul smell introduced high-temp combustion in the incinerator and the multifunction crematory furnace of the pressure fan of combustion air is provided, handled gas, liquid and solid waste simultaneously.

The present invention also provides a kind of combustion chamber stove inwall with many fumaroles, air for burning usefulness is sprayed in the stove via wireway, and stove inwall bottom serves as a contrast with fire-proof cement again, form cooling water chamber and the single large-scale dust arrester of several more small-sized dust arresters (multi-stag) replacement between furnace outer wall and the stove inwall, handled simultaneously and contained high mud of moisture and the higher high score subclass discarded object of heat, and improved efficiency of combustion and dust collecting effect.

According to design of the present invention, dry and stirring to solid waste, be by G-G(gas-gas) after heat exchanger reclaims heat energy, by high pressure blower hot-air is sprayed into via a plurality of fumaroles of primary zone's (furnace body) siege again and reach.In addition, an air blower that is connected with odor source is equipped with in this sidewall of combustion chamber bottom, by this pressure fan with foul smell and air blending and send in the incinerator equably via being distributed in the fumarole of being offered on the stove inwall, with with the solid waste high-temp combustion, between primary zone and secondary combustion chamber, there is a flue to be connected, being equiped with (flammable) waste oil sprayer and (not flammable) waste liquid sprayer on the flue, is 3-5kg/cm with pressure ²Air mix, spray into the flue internal combustion through two sprayers thus respectively again, the formed waste gas that burns burns once more in that second-time burning is indoor, makes its burning fully.Because burning can make exhaust-gas treatment simple and easy, economical fully, and because of being to utilize waste oil combustion-supporting, makes energy resource consumption of the present invention more economical.

Below with reference to accompanying drawing embodiments of the invention are described.

Fig. 1 is the implementing procedure figure of multifunction crematory furnace of the present invention.

Fig. 2 is the fragmentary cross-sectional view of multifunction crematory furnace of the present invention.

Fig. 3 is the vertical view of multifunction crematory furnace of the present invention.

In Fig. 1 and Fig. 2,1 is the incinerator body, this furnace body has main chamber 10(primary zone), offer fumarole 110 and be communicated in the stove inwall 11 of the wireway 111 of fumarole 110 along side face, the furnace body bottom is water-cooled grate 15, ashes chamber 16, the siege 18 of a plurality of hot blast squit holes is arranged and offer dog-house 120 and the furnace outer wall 12 of ashes conveying end 121 etc.12 of stove inwall 11 and furnace outer walls are water cooling chamber 17, the inlet 122 that cooling water is offered by furnace outer wall 12 lower ends enters and because of after running into high temperature and becoming water vapour, steam-water separator 123 from the upper end is ejected in being positioned at place, fire grate top approximately and connecting an ignition machine 14 that communicates with main chamber 10 of furnace body 1, the pressure fan of air being sent into wireway 111 then is installed in furnace body 1 below, and the air intake vent of this pressure fan 13 is provided with the valve pipe 130 that is communicated with odor source.In addition, also connect ashes chamber 16 and G-G heat exchanger 5 by a warm-air pipe 124.

2 is the flue body, and liquid combustion chamber 20 is arranged, and is equiped with waste oil sprayer 23 and waste liquid sprayer 24 respectively in flue body 2 both sides, and waste oil sprayer 23 is to connect pumps 230 by valve pipe 232, will mix with compressed-air actuated waste oil through 231 suction of valve pipe by pump 230.24 in waste liquid sprayer is connected with air compressor with valve pipe 242; import compressed air and mix mutually with the waste liquid of sending into by valve pipe 241; these two kinds of devices can spray into waste oil and waste liquid atomizing respectively in the combustion chamber 20 and secondary combustion chamber 30 of flue 2 for the droplet shape by compressed air; and be vertically arranged with an outstanding flue 21 on the combustion chamber 20 in addition; its top is provided with a venting 22; this venting 22 is a structure of cover plate; so that when gas explosion and accident take place in contingency; protect body of heater and operating personnel's safety as urgent outlet with this; in addition; walling of flue 27 serves as a contrast with fire clay, and is connected with secondary incinerator 3 via being connected pipeline 26.

Secondary incinerator 3 has

secondary combustion chamber

30, and 31 tops, furnace wall are equiped with the incomplete waste gas of partial combustion that second-time burning machine 32 will enter in the combustion chamber 30 and burn once again, and furnace wall 31 offers ashes conveying end 33 near the top of bottom.Secondary combustion chamber is communicated with waste heat boiler by pipeline 34.31 weeks of furnace wall also are lined with fire clay.

4 is the waste heat boiler body, the waste gas that enters after heat exchange by outlet port 41 row from, steam is then reclaimed by steam (vapor) outlet 40.This exhaust boiler body 4 is common technique, non-feature of the present invention.

5 is the G-G heat exchanger, be connected with waste heat boiler 4 by waste gas inlet 50, be equiped with high pressure blower 53 at air inlet 52, the hot-air that exchange is reclaimed is sent in the incinerator body 1 by the hot blast ejiction opening of 16 bottoms, ashes chamber via air outlet 51 and warm-air pipe 124, with dry and stirring discarded object, waste gas is then discharged by the outlet 54 that is communicated with cyclone 6.

6 is multi-stag cyclone body, waste gas is entered by air inlet 65, the dust arrester bottom all has the outlet 61 of supplementary set flue dust, and be connected to

ashes bucket

62,60 of the flues of dust arrester upper end are connected with exhaust blower 63, air is communicated to chimney 7 via flue 64 and sends, and the upper lateral part of this chimney 7 offers the smoke evacuation test port.

Below be illustrated with regard to the effect of the foregoing description.

By the solid waste of dog-house 120 inputs with by pressure fan 13 high-temp combustion in the main chamber 10 of gaseous waste (foul smell) that wireway 111 evenly sprays at incinerator body 1, required air for burning usefulness is then sprayed in the stove by the nozzle of pressure fan 13 through spreading all over the stove inwall, simultaneously, hot-air by high pressure blower 53 is sprayed into by the hot blast ejiction opening of ashes chamber 16 bottom sieges 18 in a steady stream through warm-air pipe 124 can dryly more fully make burning more complete with stirring discarded object.After the high hot waste gas that burning is produced enters the combustion chamber 20 of flue 2 through air inlet pipe 25, the atomizing oil gas of meeting reason waste oil sprayer ejection burns waste gas in flue combustion chamber 20 internal combustion again, by the then vaporization decomposition at high temperature of atomizing waste liquid of waste liquid sprayer 24 spray feeds, contained organic matter can be burned.

The incomplete waste gas of partial combustion promptly burns through high temperature after entering the combustion chamber 30 of secondary incinerator 3 by pipeline 26 again, makes flue dust impurity in the waste gas degree that minimizes.Waste gas is done heat exchange after pipeline 34 enters waste heat boiler 4 with cold water fully in burning, with recovered steam, reaches the effect of saving the energy, enters after G-G switch 5 is lowered the temperature again again and implements dedusting in the cyclone 6.The action of dedusting is with general common identical, and device only of the present invention replaces single large-scale dust arrester with multi-stag (four connect dress) dust arrester, to reach dust removing effects more completely." clean " exhaust gas after dedusting then drains into chimney 7 by exhaust blower 63 and sends into atmosphere, and is regularly monitored the quiet degree of exhaust by the test port on the chimney 7 70.

Claims

1, a kind of multifunction crematory furnace, comprise the incinerator body that to handle solid and gas discarded object simultaneously, flue and pressure fan, sprayer, secondary combustion chamber and multistage (four connect dress) cyclone of energy treat liquid discarded object, it is characterized in that: this furnace body (1) inner peripheral surface is all over being provided with fumarole (110), join by wireway (111) and pressure fan (13), the air intake vent of pressure fan (13) is provided with the valve pipe (130) that communicates with exhaust gas source; Liquid combustion chamber (20) is arranged on the flue, and flue body (2) both sides are equipped with waste oil sprayer (23) and waste liquid sprayer (24) respectively, and waste oil and waste liquid are atomized spray into flue and second-time burning is indoor respectively, so that burning fully.