CN1242856C - City house refuse treatment method and its treatment device - Google Patents
City house refuse treatment method and its treatment device Download PDFInfo
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- CN1242856C CN1242856C CN 01138015 CN01138015A CN1242856C CN 1242856 C CN1242856 C CN 1242856C CN 01138015 CN01138015 CN 01138015 CN 01138015 A CN01138015 A CN 01138015A CN 1242856 C CN1242856 C CN 1242856C
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- domestic garbage
- slag
- urban domestic
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Abstract
The present invention relates to a method and a device for converting solid waste objects to useful objects, particularly to an urban house refuse treating method and a treating device thereof. The treating device is provided with a furnace of which the furnace chamber is provided with a feed inlet, a slag discharging opening and an air outlet, and the furnace chamber is isolated from a heating device of the furnace. The present invention is provided with a gas recovering device which is connected with the air outlet, and urban house refuse is used as furnace materials and is put into the furnace chamber from the feed inlet; the furnace chamber is closed and is kept in an oxygen-lacking state, and the heating device is started up to keep the temperature of the furnace chamber from 200 to 1000 DEG C; gas and solids are respectively collected from the air outlet and the slag discharging opening. The present invention has the advantages that the present invention can treat urban house refuse comprising multiple components without sorting and classification, and no waste gas or waste water is discharged; the present invention has high-temperature heating but combustion, and has the advantages of simple and easy technological operation, device investment saving, low operation cost, high energy recovery rate, convenient site selection, strong adaptability and easy formation of industrial popularization.
Description
Technical field
The present invention relates to a kind ofly change solid waste into the device of useful thing, particularly a kind of processor for urban domestic garbage.
Background technology
People utilize modes such as heap buries, burning to handle domestic waste in the routine techniques.Wherein burn mode, need earlier domestic waste to be carried out the go-no-go classification, again combustible is sent in the incinerator, carry out the naked light high temperature incineration, though what it can realize garbage disposal subtracts appearanceization and resource, but also have the following problem: the domestic waste contained energy is converted into heat energy power-generating through the naked light burning, has aggravated greenhouse gas emission, and weather is impacted; The energy recovery rate that is converted into other energy (as electric energy etc.) with heat energy is lower, can not reach about 20% usually; Other energy that heat energy transformed (as electric energy etc.) almost can't store; Domestic waste moisture content height is different, and calorific value is not of uniform size, causes the ignition temperature fluctuation frequent, and is big to the influence of energy conversion system (as the electricity generation system) course of work, therefore need add combustion adjuvant in addition, so the energy conversion process complexity, operating cost is higher; During high temperature incineration, very easily produce " dioxin " toxic gas and other toxic gas and contaminated environment; The burning method equipment investment is big, complex process, and the body of heater easy-sintering lumps and often maintenance, and the damage of giving up easily, the operating cost height.
Invention constitutes
The objective of the invention is to overcome weak point of the prior art, and a kind of go-no-go rubbish that need not is provided, low in the pollution of the environment, cost of investment and operating cost are lower, the processor for urban domestic garbage that energy recovery rate is higher.
The objective of the invention is to realize by following approach.
Processor for urban domestic garbage, comprise a kind of stove, this stove and accessory has first airtight furnace chamber and naked light heater, first furnace chamber has charging aperture, slag-drip opening and gas outlet, described charging aperture and slag-drip opening, gas outlet lay respectively at the two ends of the first furnace chamber body of heater, a kind of gas concentration unit is connected with the first furnace chamber body of heater gas outlet, with feeding-passage that charging aperture is communicated with on also be provided with feeder, isolating between the naked light heater and first furnace chamber has first furnace wall, and it is characterized in that: first body of heater is from feed inlet end toward the downward-sloping distribution of slag-drip opening end.
Body of heater is arranged to will help the operation of rubbish in furnace chamber like this by the past downward-sloping distribution of slag-drip opening end of feed inlet end, also is convenient to the even heating of furnace charge.
The naked light heater must be isolated with first furnace chamber, guarantees that naked light can not enter in first furnace chamber.
The first tilting furnace angle is 3 °～8 °.
The body of heater of first furnace chamber is a kind of revolving burner, and it is bearing on the support with rotary way, and is in transmission connection with drive unit,
Begin to increase progressively in gradient from charging aperture along the temperature the axial furnace chamber of furnace chamber.
Can allow the Temperature Distribution in the furnace chamber corresponding like this, efficiently carry out, can save the energy again simultaneously thereby promptly help cracking reaction with the needed temperature of each program in the whole cracking reaction process.
Corresponding structural design can be:
From residing that end of charging aperture, the abundance of the flame export of naked light heater increases progressively in gradient.
Safety in order to ensure cracking process is carried out, and is provided with the relief port at first furnace chamber; Can also be
When first furnace chamber is provided with the relief port, this relief port port of export is connected with a kind of air extractor.
In order to strengthen the heat-insulating property of body of heater, also one second furnace chamber can be set in the periphery of first furnace chamber, and the naked light heater is arranged between first furnace chamber and second furnace chamber.
The charging movement device both can be to promote the device that furnace charge moves, and also can be the device that stirs furnace charge, can also be to stir and move compound device.
This charging movement device can allow furnace charge be heated evenly the formation that also helps thermograde in the furnace chamber, because the furnace charge that has just entered in the furnace chamber need consume more heat, but along with furnace charge moving in furnace chamber, its temperature consumption successively decreases in gradient, even the flame distribution point like this in the naked light heater is equally distributed, still can the formation temperature gradient in furnace chamber.Therefore this charging movement device has been supported the efficient of cracking reaction, and when it and feeder and slag-discharging device use jointly, can allow furnace chamber under the situation of continuous feed, continuous discharging slag, carries out cracking reaction continuously.
Corresponding structural design is:
Also include the charging movement device, the motion executive item of this device is installed in first furnace chamber.
The charging movement device is a kind of stirring and the telecontrol equipment of mobile furnace charge.
Its concrete selection can be:
The charging movement device is a kind of agitator, and it comprises drive unit and by the motion executive item of paddle conduct, paddle twist and be fixed on the axle, an end of the axle drive unit outer with being installed in first body of heater is in transmission connection.
And that the concrete form of paddle also has is multiple, below is wherein two kinds:
Paddle is a kind of continuous helicoid and seeks connections with on axle as spiral as the screw thread;
A plurality of paddles are interrupted distribution vertically, and adjacent two paddles are mutual dislocation along the circumferential direction.
Paddle is and be interrupted distributes, and can alleviate deadweight, stirs and the effect of mobile furnace charge but have again simultaneously.
The monomer structure shape of the paddle that this interruption distributes can be:
Paddle is made up of blade and loom, and the loom two ends is corresponding affixed with axle and blade respectively, and the blade length direction favours the axis of axle and space crossed, and the incline direction of the relative axis of all blades and inclination angle are all consistent.
Paddle with first furnace chamber coaxial and paddle tactical diameter less than 2 millimeters～10 millimeters of the first furnace chamber internal diameters.
The feeder of described refuse disposal installation can be a kind of screw input feeder; Also can be a kind of passing formula feeder, its wherein a kind of concrete selection be:
Feeder is made up of material feeding box, pusher and the 3rd drive unit, and material feeding box has the furnace charge import, and the material feeding box port of export is communicated with first furnace chamber, and pusher is installed in the material feeding box inner chamber, and one end and the 3rd drive unit are in transmission connection.
Like this, the furnace charge that promotes the front with the furnace charge of back enters furnace chamber, thereby guarantees to have all the time furnace charge to be deposited in the material feeding box port of export, and forms sealing.
If further the material feeding box port of export is designed to the conical section of cross-sectional area convergent, can allows furnace charge be compressed and have high relatively packing, thereby make sealing more thorough at this conical section.
Has a segment distance difference A between solstics that pusher moves and the material feeding box exit end face in material feeding box.
The length of range difference A is 300mm～1000mm.
Also have multiplely for the concrete selection of the 3rd drive unit, wherein a kind ofly be:
The 3rd drive unit is made up of engine and connecting rod crank mechanism, and engine is in transmission connection by connecting rod crank mechanism and pusher.
Actuating unit can be a diesel engine, also can be motor.
The material feeding box import can select to be positioned at material feeding box top.The material feeding box port of export then can be communicated with furnace chamber by a kind of inclined tube.
Slag-drip opening place at furnace chamber also is equipped with slag-discharging device, on the slagging channel that the motion executive item is installed in slag-drip opening is communicated with of slag-discharging device.
Can also select and adorn a kind of pressure sensor, for example: the pressure cell of pressure sensor is installed in slag-drip opening, and the electrical signal of pressure sensor is electrically connected with the control end of slag-discharging device drive unit.Have only when slag be stacked into enough amounts at slag-drip opening, when its weight reaches the work critical point of pressure sensor, pressure sensor just can send the signal of telecommunication also through sending into the control end of drive unit after the conventional pre-process (for example signal amplification) of a series of necessity, at this moment, slag-discharging device is licensed starts working, and in the deslagging course of work, pressure sensor is in running order all the time and monitor slag weight at any time, when slag weight is not enough, pressure sensor no longer sends the signal of telecommunication, and drive unit quits work and deslagging no longer.
Above-mentioned pressure sensor and signal are handled and control circuit all belongs to routine techniques, will not give unnecessary details here.
Slag-discharging device then can be a kind of auger stripper.
Certainly, furnace chamber also can be communicated with the slag-discharging device arrival end that is positioned at the inclined tube below by a kind of inclined tube.
To the method and apparatus that the gas after collecting is handled, the scheme of a lot of maturations is arranged in the routine techniques.In addition, the applicant also provides a kind of following scheme especially:
1 provides a kind of condensing unit, a kind of liquefying plant, a kind of gas-liquid separation device and a kind of gas burner, and utilize pipeline to connect above-mentioned four kinds of devices respectively in regular turn, simultaneously, condensing unit is connected with gas concentration unit, gas burner is installed in the naked light heater
2 will send into condensing unit from the gas that furnace chamber is collected, and remove steam and obtain fuel gas,
3 send fuel gas into liquefying plant obtains gas liquid mixture,
4 send gas liquid mixture into gas-liquid separation device, collect liquefied gas and difficult liquid gas respectively,
5 send into difficult liquid gas in the gas burner.
Like this, steam removes and obtains clean distilled water from reclaim gas after condensation; And fuel gas will purify that (synthesis ammonia plant routine techniques) compression is handled by desulfurization and cooling after isolate liquefied gas and send into liquid gas storage tank; And difficult liquid gas (for example methane) can be by sending the naked light heater back to as heating fuel, also can with send into the urban life gas piping, the manufacturing methyl alcohol of can also purifying after air suitably mixes.
If as before the furnace charge, elder generation will be better through following processing in sending into furnace chamber for domestic waste:
May further comprise the steps,
1 provides a kind of concentration equipment and a kind of aluminium screening device,
2 send into domestic waste in concentration equipment and the aluminium screening device and to send into feed arrangement again after removing metal material,
3 send into house refuse in the furnace chamber toward charging aperture as furnace charge.
In sum, the present invention has following advantage compared to existing technology:
1, the domestic waste of multiple composition be can handle, need not go-no-go no waste gas, discharge of wastewater be classified.
2, rubbish is cracked into fuel gas and coke etc.Except that portion gas is used for the native system heating, quite sell (quality meets relative national standards) after vast scale (about the 10%) liquefiable, have good economic benefit.
3, high temperature heats but not burning, has avoided the possibility of generation " dioxin " gas.
4, compare with burning method, technological operation is simple and easy to do, low equipment investment, and operating cost is low.
5, energy recovery rate height can reach (domestic waste) 60%-80% of resource thing.
6, addressing is convenient, and treatment scale is changeable, and adaptability is strong, easily forms Industry Promotion.
Description of drawings
Accompanying drawing is the structural representation of processor for urban domestic garbage of the present invention.
Below in conjunction with accompanying drawing the present invention is carried out more detailed description.
The specific embodiment
Most preferred embodiment:
With reference to accompanying drawing, processor for urban domestic garbage comprises a kind of stove, feeder, slag-discharging device, gas concentration unit 4, condensing unit 5, liquefying plant 6, gas-liquid separation device 7 and liquid gas storage tank 8.Stove and accessory has first body of heater and second body of heater, and first body of heater is a kind of tubular, and its inner chamber is first furnace chamber 11; The second body of heater ring is trapped among the first body of heater periphery, and the toroidal cavity between the two is second furnace chamber 13, and a kind of naked light heater is installed in this second furnace chamber 13.First furnace chamber, 11 front ends top has charging aperture 111, and below, its rear end has slag-drip opening 112, and gas outlet 113 is positioned at the top, rear end of first furnace chamber 11.114 middle parts that are positioned at first furnace chamber 11, a kind of relief port, these relief port 114 external relief tubes have valve on the relief tube.Feeder is communicated with charging aperture 111 by a kind of inclined tube, and is same, and slag-discharging device is communicated with slag-drip opening 112 by a kind of inclined tube.A kind of motion executive item of charging movement device is installed in first furnace chamber 11; First body of heater is from the past downward-sloping distribution of slag-drip opening end of feed inlet end, and the angle of inclination is 4 °.
A kind of charging movement device is arranged in first body of heater, can stir and mobile furnace charge, it is a kind of agitator, comprise drive unit 142 and by the motion executive item of paddle conduct, a plurality of paddles are interrupted distribution vertically, adjacent two paddles are mutual dislocation along the circumferential direction, and an end of the axle drive unit 142 outer with being installed in first body of heater is in transmission connection.Paddle is made up of blade 144 and loom 143, and loom 143 two ends are corresponding affixed with axle and blade 144 respectively, and blade 144 length directions favour the axis of axle and space crossed, and the incline direction of all blade 144 relative axis and inclination angle are all consistent.Paddle with first furnace chamber 11 coaxial and paddle tactical diameter less than 5 millimeters of first furnace chamber, 11 internal diameters.
Feeder comprises hopper 21, material feeding box 22, connecting rod crank mechanism 23 and pusher 24.Hopper 21 is positioned at material feeding box 22 tops, material feeding box 22 is installed on the feeding-passage that is communicated with charging aperture 111, pusher 24 is arranged in material feeding box 22, and its front end and connecting rod crank mechanism 23 are hinged, and connecting rod crank mechanism 23 other ends then are in transmission connection with the 3rd drive unit by the motor conduct.
Slag-discharging device is a kind of auger stripper.Its motion executive item 31 is screw rods in, and it is installed on a kind of slagging channel of tubular, and the first furnace chamber slag-drip opening 112 is communicated with slagging channel via a kind of inclined tube, and spiro rod rear end and a kind of motor are in transmission connection.A kind of pressure cell of pressure sensor is installed in slag-drip opening 112, and the electrical signal of pressure sensor is electrically connected with drive circuit after via a kind of amplification circuit of electrical signal, and the drive circuit signal output part then is electrically connected with the Electric Machine Control end.A kind of sealing device is installed between motion executive item 31 and the slagging channel.
The naked light heater comprises fire grate 121 and the gas burner 122 that is arranged in second furnace chamber 13, and fire grate can be used for the splendid attire solid fuel, when this refuse disposal installation has just been started working, can adopt solid-fuelled burning to heat first furnace chamber.Gas burner 122 is communicated with the difficult liquid gas port of export in the gas-liquid separation device 7, after refuse disposal installation begins to produce burning gases, and buring solid fuel no longer, and only adopt the difficult liquid gas of burning to heat first furnace chamber.
The second body of heater outer furnace wall has heat-insulation layer, and a kind of smoke exhaust pipe 131 is communicated with this second furnace chamber 13.First furnace body wall is made by stainless steel material, like this, is isolated fully between second furnace chamber and first furnace chamber.
City house refuse treatment method may further comprise the steps:
1, provide present embodiment described processor for urban domestic garbage;
2, domestic waste being sent into concentration equipment and aluminium screening device removes behind the metal material as furnace charge;
3, furnace charge is sent into body of heater;
4, start the naked light heater charging time, the temperature of furnace chamber is remained between 200 ℃～1000 ℃;
5, after furnace charge entered body of heater, airtight furnace chamber kept furnace chamber to be in the oxygen deprivation state, and furnace chamber pressure is-0.05-0.10Mpa;
6, heating furnace charge.30%～40% organic matter is arranged in the domestic waste, its major part is a hydrocarbon, hydrocarbon is high-temperature baking under the oxygen deprivation state, be liquefied earlier, with reaction process deeply and the rising of furnace chamber temperature, the liquefied hydrocarbon mixture begins cracking, until being cracked into the mixed combustible gas that strand is short, molecular weight is little fully.Remainder then dewaters under the baking of high temperature oxygen deprivation, forms coke and does not participate in the solids such as inorganic matter of cracking.
7, collect gas and solid matter respectively from exhaust outlet and slag-drip opening.
7.1 gas is removed steam through condensing unit earlier, obtains to send into liquefying plant behind the fuel gas, obtains gas liquid mixture, collects liquefied gas and difficult liquefied gas respectively by gas-liquid separation device again, difficult liquefied gas is sent into the gas burner burning.
7.2 pile up and airtight slag-drip opening when slag, begin deslagging by slag-draining device.Contain coke and other inorganic matters in the solids, go out coke through conventional wet concentration is separable.
It is same as the prior art that present embodiment is not stated part.
Claims (17)
1, processor for urban domestic garbage, comprise a kind of stove, this stove and accessory has airtight first furnace chamber (11) and naked light heater (12), first furnace chamber (11) has charging aperture (111), slag-drip opening (112) and gas outlet (113), described charging aperture and slag-drip opening, the gas outlet lays respectively at the two ends of the first furnace chamber body of heater, a kind of gas concentration unit (4) is connected with the first furnace chamber body of heater gas outlet (113), with feeding-passage that charging aperture (111) is communicated with on also be provided with feeder, isolating between naked light heater (12) and first furnace chamber (11) has first furnace wall, and it is characterized in that: first body of heater is from feed inlet end toward the downward-sloping distribution of slag-drip opening end.
2, processor for urban domestic garbage according to claim 1 is characterized in that: the first tilting furnace angle is 3 °～8 °.
3, processor for urban domestic garbage according to claim 2 is characterized in that: the body of heater of first furnace chamber is a kind of revolving burner, and it is bearing on the support with rotary way, and is in transmission connection with drive unit,
4, processor for urban domestic garbage according to claim 3 is characterized in that: first furnace chamber (11) also has relief port (114), and relief port (114) are equipped with valve.
5, processor for urban domestic garbage according to claim 4 is characterized in that: also include second body of heater that constitutes second furnace chamber (13), naked light heater (12) is arranged in second furnace chamber (13), and second body of heater is coated on the first body of heater periphery.
6, processor for urban domestic garbage according to claim 5 is characterized in that: also include the charging movement device, the motion executive item of this device is installed in first furnace chamber (11).
7, processor for urban domestic garbage according to claim 6, it is characterized in that: the charging movement device is a kind of agitator, it comprises drive unit (142) and by the motion executive item of paddle conduct, paddle twist and be fixed on the axle, an end of the axle drive unit (142) outer with being installed in first body of heater is in transmission connection.
8, processor for urban domestic garbage according to claim 7 is characterized in that: a plurality of paddles are interrupted distribution vertically, and adjacent two paddles are mutual dislocation along the circumferential direction.
9, processor for urban domestic garbage according to claim 8, it is characterized in that: paddle is made up of blade (144) and loom (143), loom (143) two ends is corresponding affixed with axle and blade (144) respectively, blade (144) length direction favours the axis of axle and space crossed, and the incline direction of the relative axis of all blades (144) and inclination angle are all consistent.
10, processor for urban domestic garbage according to claim 9 is characterized in that: paddle with first furnace chamber (11) coaxial and paddle tactical diameter less than 2 millimeters～10 millimeters of first furnace chamber (11) internal diameters.
11, processor for urban domestic garbage according to claim 10, it is characterized in that: described feeder is by material feeding box, pusher and the 3rd drive unit are formed, material feeding box has the furnace charge import, the material feeding box port of export is communicated with first furnace chamber (11), pusher is installed in the material feeding box inner chamber, and one end and the 3rd drive unit are in transmission connection.
12, processor for urban domestic garbage according to claim 11 is characterized in that: the material feeding box port of export has the conical section of a cross-sectional area convergent.
13, processor for urban domestic garbage according to claim 12 is characterized in that: have a segment distance difference A between solstics that pusher moves in material feeding box and the material feeding box exit end face.
14, processor for urban domestic garbage according to claim 13 is characterized in that: the length of range difference A is 300mm～1000mm.
15, processor for urban domestic garbage according to claim 14 is characterized in that: the 3rd drive unit is made up of engine and connecting rod crank mechanism, and engine is in transmission connection by connecting rod crank mechanism and pusher.
16, according to the described processor for urban domestic garbage of any one claim of one of claim 1 to 15, it is characterized in that: also comprise a kind of slag-discharging device, slag-discharging device motion executive item is installed on the slagging channel that is communicated with slag-drip opening (112).
17, according to the described processor for urban domestic garbage of any one claim of one of claim 1 to 16, it is characterized in that: also comprise a kind of slag-discharging device and a kind of pressure sensor, slag-discharging device motion executive item is installed on the slagging channel that is communicated with slag-drip opening (112), the pressure cell of pressure sensor is installed in slag-drip opening (112), and the electrical signal of pressure sensor is electrically connected with the control end of slag-discharging device drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01138015 CN1242856C (en) | 2001-12-17 | 2001-12-17 | City house refuse treatment method and its treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01138015 CN1242856C (en) | 2001-12-17 | 2001-12-17 | City house refuse treatment method and its treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1426855A CN1426855A (en) | 2003-07-02 |
| CN1242856C true CN1242856C (en) | 2006-02-22 |
Family
ID=4674310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01138015 Expired - Fee Related CN1242856C (en) | 2001-12-17 | 2001-12-17 | City house refuse treatment method and its treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1242856C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798531B (en) * | 2010-03-27 | 2013-05-01 | 黄广禧 | Refuse breaking and cracking treatment process and cracking furnace |
| CN103059897B (en) * | 2013-01-16 | 2016-06-15 | 欧卓木 | A kind of production method utilizing the continuous carburetor of waste plastics to carry out the continuous carburetion of waste plastics |
| CN104676599B (en) * | 2015-02-21 | 2017-05-31 | 广州威旭环保科技有限公司 | A kind of refuse burner |
| CN107552232A (en) * | 2017-09-04 | 2018-01-09 | 郑州大学 | A kind of garbage disposal iron removaling water choosing device |
| CN113480341B (en) * | 2021-07-29 | 2024-03-08 | 成都至交互联科技有限公司 | Kitchen garbage recycling treatment device |
-
2001
- 2001-12-17 CN CN 01138015 patent/CN1242856C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1426855A (en) | 2003-07-02 |
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