CN112856438A - Organic waste liquid combustion processor and use method thereof - Google Patents
Organic waste liquid combustion processor and use method thereof Download PDFInfo
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- CN112856438A CN112856438A CN202110064059.7A CN202110064059A CN112856438A CN 112856438 A CN112856438 A CN 112856438A CN 202110064059 A CN202110064059 A CN 202110064059A CN 112856438 A CN112856438 A CN 112856438A
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- 239000007788 liquid Substances 0.000 title claims abstract description 137
- 239000010815 organic waste Substances 0.000 title claims abstract description 109
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 35
- 239000003245 coal Substances 0.000 claims abstract description 28
- 230000007704 transition Effects 0.000 claims abstract description 17
- 239000002699 waste material Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000004939 coking Methods 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000000151 deposition Methods 0.000 abstract description 5
- 230000008021 deposition Effects 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 238000010992 reflux Methods 0.000 description 9
- 230000000087 stabilizing effect Effects 0.000 description 6
- 239000004449 solid propellant Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/007—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel liquid or pulverulent fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/446—Waste feed arrangements for liquid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/10—Supplementary heating arrangements using auxiliary fuel
- F23G2204/101—Supplementary heating arrangements using auxiliary fuel solid fuel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses an organic waste liquid combustion processor, which comprises a shell, wherein an organic waste liquid conveying assembly, a transition channel, a temperature adjusting channel, a coal powder conveying channel, a combustion-supporting air channel and an adherence air channel are sequentially arranged along the inner side of the shell from inside to outside, air can be introduced into the organic waste liquid combustion processor through the adherence air channel, the air can flow along a peripheral wall to form an air cooling layer, the air cooling layer can well reduce the temperature of the peripheral wall, so that the temperature of the peripheral wall is kept stable, the phenomena of dust deposition, coking and corrosion on the surface of the peripheral wall are avoided, the service life of the organic waste liquid combustion processor is prolonged, the organic waste liquid is combusted and treated through the coal powder conveying channel, the original heat value of the organic waste liquid is fully utilized, and the function of adjusting the temperature of a combustion area is achieved by changing the gas composition and the flow rate in the temperature adjusting channel, effectively decompose organic matters in the waste liquid, and solve the problems of difficult combustion and low treatment efficiency.
Description
Technical Field
The invention relates to the technical field of waste incineration, in particular to an organic waste liquid combustion processor and a using method thereof.
Background
Chemical organic waste liquid widely exists in industries such as basic chemical raw material manufacturing, coal chemical industry, petrochemical industry and the like, is high-concentration salt-containing polluting waste liquid, has huge production amount, complex components and special physicochemical characteristics, such as low heat value, low ash melting point, high corrosive substance content and the like, and the chemical organic waste liquid treatment is basically performed by a chemical reaction method, a physical separation method, a landfill method and combustion treatment at present, wherein the combustion treatment is a relatively universal low-cost and low-pollution mode, but the problems of difficult combustion, low treatment efficiency, short service life of equipment and the like still exist in the treatment process.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides an organic waste liquid combustion processor, which treats organic waste liquid by burning pulverized coal, fully utilizes the original heat value of the organic waste liquid, plays a role in regulating the temperature of a combustion area by changing the gas composition and flow rate in a temperature regulating channel, effectively decomposes organic matters in the waste liquid, and solves the problems of difficult combustion and low treatment efficiency; this organic combustion waste liquid treater has set up combustion-supporting wind passageway and adherence wind passageway, can make the air divide into combustion-supporting wind and adherence wind and get into respectively in the organic waste liquid combustion treater, not only make the air give in organic waste liquid combustion treater in grades and reduce nitrogen oxide, combustion-supporting wind combines together with the transition passageway and makes gas-liquid solid fuel and air intensive mixing stable combustion, and adherence wind can form the cooling air bed that flows along the perisporium inner peripheral surface in first intracavity, with the cooling perisporium, not only can cancel water cooling plant, and avoid the emergence of perisporium surface deposition coking corrosion phenomenon.
The organic waste liquid combustion processor according to the embodiment of the invention comprises: a housing having a first cavity and a perimeter wall enclosing the first cavity; an organic waste liquid conveying assembly arranged in the center of the first cavity; the first air duct is sleeved at the liquid inlet end of the organic waste liquid conveying component, one end, close to the liquid inlet end of the organic waste liquid conveying component, is open, one end, far away from the liquid inlet end of the organic waste liquid conveying component, is closed, and a transition channel is formed between the inner circumferential surface of the first air duct and the outer circumferential surface of the organic waste liquid conveying component; the second air duct is arranged in the first cavity, and an adherence air channel is formed between the outer peripheral surface of the second air duct and the inner peripheral surface of the peripheral wall; the third air duct is arranged in the first cavity, and a combustion-supporting air channel is formed between the outer peripheral surface of the third air duct and the inner peripheral surface of the second air duct; and one of the outer peripheral surface of the fourth air duct and the inner peripheral surface of the third air duct and the inner peripheral surface of the fourth air duct and the outer peripheral surface of the first air duct is a pulverized coal conveying channel, and the other is a temperature regulating channel.
According to the organic waste liquid combustion processor provided by the embodiment of the invention, a first air duct, a second air duct, a third air duct, a fourth air duct and an organic waste liquid conveying component which are mutually sleeved are arranged in the organic waste liquid combustion processor, wherein the organic waste liquid conveying component is coaxial with the organic waste liquid combustion processor, the first air duct is sleeved on the organic waste liquid conveying component in the radial direction of the organic waste liquid combustion processor, a transition channel is formed between the inner side of the first air duct and the outer side of the organic waste liquid conveying component, an adherence air channel is formed between the outer peripheral surface of the second air duct and the inner side of the peripheral wall, combustion-supporting air is formed between the outer peripheral surface of the third air duct and the inner side of the second air duct, and one of the inner side of the fourth air duct and the outer side of the first air duct, the outer side of the fourth air duct and the inner side of the third air duct is a, the organic waste liquid combustion processor can introduce air into the organic waste liquid combustion processor through the wall-attached air channel according to the temperature of the peripheral wall of the organic waste liquid combustion processor, the air can flow along the peripheral wall to form an air cooling layer, the air cooling layer can well reduce the temperature of the peripheral wall, so that the temperature of the peripheral wall is kept stable, the phenomena of dust deposition, coking and corrosion on the surface of the peripheral wall are avoided, the service life of the organic waste liquid combustion processor is prolonged, the organic waste liquid is combusted and treated by the pulverized coal through the pulverized coal conveying channel, the original heat value of the organic waste liquid is fully utilized, the effect of regulating the temperature of a combustion area is achieved by changing the gas composition and the flow rate in the temperature regulating channel, organic matters in the waste liquid are effectively decomposed, and the problems of difficult combustion and low treatment efficiency are solved.
In some embodiments, organic waste liquid transport assembly includes organic waste liquid conveyer pipe, reflux cap and atomizing nozzle assembly, organic waste liquid conveyer pipe with the coaxial setting in first chamber, the reflux cap is established the play liquid end of organic waste liquid conveyer pipe, the reflux cap is the cylindric, the export orientation of reflux cap the inlet end of organic waste liquid conveyer pipe, atomizing nozzle assembly sets up the exit of reflux cap.
In some embodiments, the atomizing nozzle assembly comprises a fixed disk, the fixed disk is sleeved outside the liquid outlet end of the organic waste liquid conveying pipe, the outer peripheral surface of the fixed disk is connected with the inner edge of the outlet end of the backflow cap, and the fixed disk is provided with a plurality of injection holes penetrating through the fixed disk.
In some embodiments, an impeller assembly is arranged in each of the combustion air channel and the temperature adjusting channel.
In some embodiments, the second air duct includes a barrel, a flexible portion sleeved on an outer circumferential surface of the barrel, and an adjusting assembly, the adjusting assembly includes an adjusting piece and a sealing washer, a plurality of mounting holes are formed in the barrel at intervals along a circumferential direction of the barrel, one adjusting assembly is correspondingly arranged in each mounting hole, a first portion of the adjusting piece penetrates through the flexible portion and is arranged in the mounting hole, a second portion of the adjusting piece is pressed on the outer circumferential surface of the flexible portion, and the sealing washer is arranged between the second portion of the adjusting piece and the outer circumferential surface of the flexible portion.
In some embodiments, an igniter and a flame detector are disposed within the transition passage.
In some embodiments, a plurality of density separation structures are arranged on the inner side of the pulverized coal conveying channel along the circumferential direction of the pulverized coal conveying channel.
According to another aspect of the invention, the use method of the organic waste liquid combustion processor comprises the following steps: s1, selecting the organic waste liquid conveying pipe with a proper diameter, the atomizing nozzle assembly with proper atomizing characteristics and the concentration separation assembly according to the heat value of the organic waste liquid, the waste liquid amount and the coal type; s2, introducing air in two paths, wherein one path of air enters the first cavity through a combustion-supporting air channel and a temperature adjusting channel, and the other path of air enters the first cavity through an adherence air channel; s3, the step and the step S2 are carried out simultaneously, and the coal powder airflow enters the first cavity through the coal powder conveying channel after being ignited; and S4, introducing organic waste liquid, wherein the organic waste liquid enters the backflow cap through the organic waste liquid conveying pipe and then is sprayed into the first cavity through the atomizing nozzle assembly on the backflow cap.
In some embodiments, in step S2, an oxidizing gas or an inert gas may be simultaneously introduced into the temperature-adjusting channel to maintain the temperature in the first chamber between 700 ℃ and 1600 ℃.
In some embodiments, the inlet pressure of the organic waste liquid is greater than the pressure inside the first cavity and is controlled to be 0.3-0.5 MPa.
Drawings
Fig. 1 is a sectional view of an organic waste liquid combustion processor according to an embodiment of the present invention from a first perspective.
Fig. 2 is a second perspective view of a sectional view of an organic waste liquid combustion processor according to an embodiment of the present invention.
Fig. 3 is a third perspective view of a sectional view of an organic waste liquid combustion processor according to an embodiment of the present invention.
Fig. 4 is a perspective view of an organic waste liquid combustion processor according to an embodiment of the present invention.
FIG. 5 is a front view of an atomizing nozzle assembly according to an embodiment of the present invention.
FIG. 6 is a perspective view of an atomizing nozzle assembly according to an embodiment of the present invention.
Fig. 7 is a cross-sectional view of fig. 6.
FIG. 8 is a cross-sectional view of a second air duct in accordance with an embodiment of the present invention
Reference numerals:
the device comprises a shell 1, a first air duct 2, a second air duct 3, a cylinder 301, a flexible part 302, a regulating part 303, a sealing washer 304, a third air duct 4, a fourth air duct 5, a stable combustion chamber 6, a rectification chamber 7, an organic waste liquid conveying pipe 8, a backflow cap 9, a fixed disc 10, an injection hole 11, a transition passage 12, an adherence air passage 13, a combustion-supporting air passage 14, a pulverized coal conveying passage 15 and a temperature adjusting passage 16.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 7, the organic waste liquid combustion processor according to the embodiment of the present invention includes a housing 1, a first air duct 2, a second air duct 3, a third air duct 4, a fourth air duct 5, and an organic waste liquid conveying assembly.
The casing 1 is provided with a first cavity and a peripheral wall enclosing the first cavity, the first cavity comprises a combustion stabilizing cavity 6 in the middle, an air guide cavity positioned on the left side of the combustion stabilizing cavity 6 and a rectifying cavity 7 positioned on the right side of the combustion stabilizing cavity 6, the peripheral wall corresponding to the combustion stabilizing cavity 6 is a conical surface, the diameter of a left end port is smaller than that of a right end port, the air guide cavity and the rectifying cavity 7 are cylindrical, and the first air guide cylinder 2, the second air guide cylinder 3, the third air guide cylinder 4 and the fourth air guide cylinder 5 are arranged in the air guide cavity;
the organic waste liquid conveying assembly comprises an organic waste liquid conveying pipe 8, a backflow cap 9 and an atomizing nozzle assembly, the organic waste liquid conveying pipe 8 is coaxially arranged with the first cavity, the liquid inlet end of the organic waste liquid conveying pipe 8 is located in the air guide cavity, the liquid outlet end of the organic waste liquid conveying pipe is located at the outlet end of the rectifying cavity 7, the backflow cap 9 is of a cylindrical structure with one closed end and one open end, the backflow cap 9 is coaxially arranged with the organic waste liquid conveying pipe 8, the backflow cap 9 is located at the liquid outlet end of the organic waste liquid conveying pipe 8, the open end faces the liquid inlet end of the organic waste liquid conveying pipe 8, the atomizing nozzle assembly comprises a fixed disc 10, the fixed disc 10 is sleeved at the liquid outlet end of the organic waste liquid conveying pipe 8, the outer circumferential surface of the fixed disc 10 is connected;
the first air duct 2 is a blunt body with a conical shape, an oval shape, a cylindrical shape or other arbitrary curves, the first air duct 2 is sleeved outside the organic waste liquid conveying pipe 8 and is coaxially arranged with the organic waste liquid conveying pipe, one end of the first air duct 2 close to the stable combustion cavity 6 is closed, the closed end is provided with a plurality of through holes (not shown in the figure), one end far away from the stable combustion cavity 6 is opened, the organic waste liquid conveying pipe 8 penetrates through one end, close to the stable combustion cavity 6, of the first air duct 2 and enters the stable combustion cavity 6, a transition channel 12 is formed between the inner side face of the first air duct 2 and the outer side face of the organic waste liquid conveying pipe 8, an igniter (not shown in the figure) is arranged in the transition channel 12, flame of the igniter penetrates through the through holes and then is injected into the first cavity, a flame detector (not shown in the figure) can be further arranged in the transition channel, the widest diameter of the transition channel 12 is smaller than the inner diameter of the fourth air duct 5, and the narrowest diameter;
an adherence air channel 13 is formed between the outer side surface of the second air duct 3 and the inner side surface of the peripheral wall, the second air duct 3 comprises a cylinder 301 and a plurality of movable positioning assemblies which are arranged outside the cylinder 301 and distributed along the circumferential direction, the movable positioning assemblies are used for adjusting the sectional area of the adherence air channel 13, each movable positioning assembly comprises a flexible portion 302 sleeved on the outer circumferential surface of the cylinder 301 and an adjusting assembly, each adjusting assembly comprises an adjusting piece 303 and a sealing washer 304, a plurality of mounting holes are formed in the cylinder 301 at intervals along the circumferential direction of the cylinder 301, the mounting holes can be threaded holes, the adjusting pieces 303 can be adjusting bolts, each threaded hole is correspondingly provided with one adjusting bolt, a plurality of unthreaded holes corresponding to the mounting holes are formed in the flexible portions 302, and the threaded ends of the adjusting bolts penetrate through the sealing washers 304 and the unthreaded holes of the flexible portions 302 and are finally screwed into the threaded;
a combustion-supporting air channel 14 is formed between the outer side surface of the third air duct 4 and the inner side surface of the second air duct 3;
the fourth air duct 5 is positioned between the third air duct 4 and the first air duct 2, and the inner side and the outer side of the fourth air duct 5 correspond to two channels, wherein one channel can be a pulverized coal conveying channel 15, and the other channel can be a temperature adjusting channel 16;
axial impeller components can be arranged in the combustion-supporting air channel 14 and the temperature adjusting channel 16, a movable axial impeller component (not shown in the figure) which is easy to detach is arranged in the temperature adjusting channel 16 and is used for enabling combustible combustion-supporting gas or inert flame-retardant gas to form rotary airflow with tangential speed after passing through the movable axial impeller component, and a movable axial impeller component (not shown in the figure) which is easy to detach is arranged in the combustion-supporting air channel 14 and is used for enabling combustion-supporting air to form rotary airflow with tangential speed after passing through the movable axial impeller component;
the coal powder conveying channel 15 can be internally provided with a detachable shade separation structural member (not shown in the figure), the shade separation structural member can be divided into a reducing shape, a gear shape and a petal shape, threaded holes are arranged at corresponding positions of the shade separation structural member and the coal powder conveying channel 15, and the shade separation structural member is fixed in the coal powder conveying channel 15 through bolts, sealing gaskets and threaded holes.
The use method of the organic waste liquid combustion processor provided by the embodiment of the invention comprises the following steps:
selecting an organic waste liquid conveying pipe 8 with a proper diameter, an atomizing nozzle component with proper atomizing characteristics and a concentration separation component according to the heat value of the organic waste liquid, the waste liquid amount and the coal type, and selecting a reducing type concentration separator or a gear type concentration separator by the concentration separation component if the coal type has high volatile components and high heat value; if the coal type is low in volatile component and low in heat value, the concentration separation component selects a petal-shaped concentration separator;
air is introduced in two paths, one path of air passes through a movable axial impeller assembly (not shown in the figure) in a combustion-supporting air channel 14 to form a rotating airflow with tangential speed to directly enter a combustion stabilizing cavity 6, and the combustion-supporting air channel 14 and a transition channel 12 act together to form an embedded high-temperature backflow area; the other path of the wall-attached air forms wall-attached air through the wall-attached air channel 13, one part of the wall-attached air forms a cooling air layer flowing along the wall surface of the stable combustion cavity 6 so as to cool the stable combustion cavity 6 and the rectification cavity 7, the wall surface temperature of the stable combustion cavity 6 and the rectification cavity 7 is lower than 40 ℃, the other part of the wall-attached air and the main flame form high-speed jet flame of air-wrapped fire through the rectification cavity 7 to enter the hearth, therefore, not only is the fuel stably combusted, but also the phenomenon of ash deposition, coking and corrosion in the shell 1 and the hearth is avoided;
the wind speed of the wall attaching wind is larger than that of the combustion supporting wind and is controlled to be more than 20m/s, the proportion of the combustion supporting wind and the wall attaching wind is preferably 1:2, the proportion can ensure that fuel is stably combusted, the combustion supporting wind is mixed with main flame layer by layer to reduce nitrogen oxides, and the wall attaching wind has enough momentum to cool the combustion stabilizing cavity 6 and the rectifying cavity 7;
meanwhile, the organic waste liquid enters a high-temperature reflux zone through a reflux channel consisting of an organic waste liquid conveying pipe 8, a reflux cap 9 and an atomizing nozzle assembly, wherein the inlet pressure of the organic waste liquid conveying pipe 8 is required to be greater than the pressure inside the organic waste liquid combustor, the pressure is controlled to be 0.3-0.5 MPa to prevent the atomizing nozzle from being blocked and prevent the organic waste liquid combustion processor from being corroded, the organic waste liquid is preheated through the high-temperature reflux zone, a proper combustion temperature is selected according to the heat value and the waste liquid amount of the waste liquid, the temperature adjusting channel 16 can be introduced with oxidizing gas (including but not limited to air and oxygen), combustible gas (including but not limited to H2, CH4 and natural gas) and inert gas (including but not limited to CO2 and N2), if the temperature of the combustion zone is lower, the oxidizing gas or the combustible gas is introduced, if the temperature is higher, the inert, the pulverized coal is combusted in the high temperature recirculation zone, the organic waste liquid passes through the atomizing nozzle assembly to form a droplet flow, and is mixed with the combustion-supporting air and the temperature-adjusting gas at the closed end of the transition passage 122 to form a multi-layer main flame.
Due to the adoption of the technical scheme, the invention has the following advantages: 1. according to the invention, the organic waste liquid is treated by burning the pulverized coal, the original heat value of the organic waste liquid is fully utilized, the effect of adjusting the temperature of the combustion area is achieved by changing the gas composition and the flow rate in the temperature adjusting channel 16, the temperature of the combustion area is ensured to be between 700 and 1600 ℃, and organic matters in the waste liquid are effectively decomposed; 2. the combustion-supporting air channel 14 and the wall-attached air channel 13 are arranged, so that air can be divided into combustion-supporting air and wall-attached air which respectively enter the combustion processor body, the air is fed into the combustion processor in a grading manner to reduce nitrogen oxides, the combustion-supporting air is combined with the transition channel 12 to fully mix gas-liquid-solid fuel and the air for stable combustion, the wall-attached air can form a cooling air layer flowing along the wall surface of the combustion-stabilizing cavity 6 in the combustion-stabilizing cavity 6 to cool the combustion-stabilizing cavity 6 and the rectifying cavity 7, the wall surface temperature of the combustion-stabilizing cavity 6 and the rectifying cavity 7 is always lower than 40 ℃, a water cooling device of the combustion-stabilizing cavity 6 can be cancelled, and the phenomenon of ash deposition, coking and corrosion on the wall surface of the combustion-stabilizing; 3. the invention can adjust the sectional area of the wall-attached air channel 13 through the movable positioning component, further adjust the wind speed of the wall-attached air, control the mixing rate of the combustion-supporting air and the wall-attached air, thereby controlling the combustion process of the gas-liquid-solid fuel in the organic waste liquid combustion processor, and forming an environment with low oxygen, high temperature, high oxygen and low temperature inside the stable combustion chamber 6, and the temperature distribution and the atmosphere distribution can not only achieve the effects of high combustion efficiency and low nitrogen, widen the load adjustment range and the coal adaptability of the combustion processor, but also effectively solve the phenomena of high-temperature corrosion, dust accumulation, coking and the like on the wall surface of the stable combustion chamber, reduce the maintenance frequency of the combustion processor, and prolong the service life of the combustion processor; 4. the invention also adopts the design of the transition channel 12, the transition channel 12 not only can be internally provided with an ignition oil gun and an igniter, but also the transition channel 12 can generate a backflow area with high turbulence intensity under the coaction with the combustion-supporting air channel 14 internally provided with the movable axial impeller, the mixing rate of gas-liquid-solid fuel and air is enhanced, and the burnout rate of the fuel under the low-load working condition is improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An organic waste liquid combustion processor, comprising:
a housing having a first cavity and a perimeter wall enclosing the first cavity;
an organic waste liquid conveying assembly arranged in the center of the first cavity;
the first air duct is sleeved at the liquid inlet end of the organic waste liquid conveying component, one end, close to the liquid inlet end of the organic waste liquid conveying component, is open, one end, far away from the liquid inlet end of the organic waste liquid conveying component, is closed, and a transition channel is formed between the inner circumferential surface of the first air duct and the outer circumferential surface of the organic waste liquid conveying component;
the second air duct is arranged in the first cavity, and an adherence air channel is formed between the outer peripheral surface of the second air duct and the inner peripheral surface of the peripheral wall;
the third air duct is arranged in the first cavity, and a combustion-supporting air channel is formed between the outer peripheral surface of the third air duct and the inner peripheral surface of the second air duct;
and one of the outer peripheral surface of the fourth air duct and the inner peripheral surface of the third air duct and the inner peripheral surface of the fourth air duct and the outer peripheral surface of the first air duct is a pulverized coal conveying channel, and the other is a temperature regulating channel.
2. The organic waste liquid combustion processor according to claim 1, wherein the organic waste liquid delivery assembly comprises an organic waste liquid delivery pipe, a backflow cap and an atomizing nozzle assembly, the organic waste liquid delivery pipe is coaxially disposed with the first cavity, the backflow cap is disposed at a liquid outlet end of the organic waste liquid delivery pipe, the backflow cap is cylindrical, an outlet of the backflow cap faces a liquid inlet end of the organic waste liquid delivery pipe, and the atomizing nozzle assembly is disposed at an outlet of the backflow cap.
3. The organic waste liquid combustion processor as claimed in claim 2, wherein the atomizing nozzle assembly comprises a fixed disk, the fixed disk is sleeved outside the liquid outlet end of the organic waste liquid conveying pipe, the outer circumferential surface of the fixed disk is connected with the inner edge of the outlet end of the backflow cap, and the fixed disk is provided with a plurality of injection holes penetrating through the fixed disk.
4. The organic waste liquid combustion processor as claimed in claim 1, wherein axial impeller assemblies are arranged in the combustion air channel and the temperature adjusting channel.
5. The organic waste liquid combustion processor according to claim 1, wherein the second air duct comprises a cylinder, a flexible portion sleeved on an outer circumferential surface of the cylinder, and an adjusting assembly, the adjusting assembly comprises an adjusting piece and a sealing washer, a plurality of mounting holes are formed in the cylinder at intervals along a circumferential direction of the cylinder, one adjusting piece is correspondingly arranged in each mounting hole, a first portion of the adjusting assembly penetrates through the flexible portion and is arranged in each mounting hole, a second portion of the adjusting piece is pressed on an outer circumferential surface of the flexible portion, and the sealing washer is arranged between the second portion of the adjusting piece and the outer circumferential surface of the flexible portion.
6. The organic waste liquid combustion processor as claimed in claim 1, wherein an igniter and a flame detector are provided inside the temperature-adjusting passage.
7. The organic waste liquid combustion processor as claimed in claim 1, wherein a plurality of shade separation structures are provided inside the pulverized coal conveying passage along a circumferential direction thereof.
8. The use method of the organic waste liquid combustion processor is characterized by comprising the following steps:
s1, selecting the organic waste liquid conveying pipe with a proper diameter, the atomizing nozzle assembly with proper atomizing characteristics and the concentration separation assembly according to the heat value of the organic waste liquid, the waste liquid amount and the coal type;
s2, introducing air in two paths, wherein one path of air enters the first cavity through a combustion-supporting air channel and a temperature adjusting channel, and the other path of air enters the first cavity through an adherence air channel;
s3, the step and the step S2 are carried out simultaneously, and the coal powder airflow enters the first cavity through the coal powder conveying channel after being ignited;
and S4, introducing organic waste liquid, wherein the organic waste liquid enters the backflow cap through the organic waste liquid conveying pipe and then is sprayed into the first cavity through the atomizing nozzle assembly on the backflow cap.
9. The use method of the organic waste liquid combustion processor as claimed in claim 8, wherein in step S2, an oxidizing gas or an inert gas is introduced into the temperature-adjusting channel to maintain the temperature in the first chamber at 700-1600 ℃.
10. The use method of the organic waste liquid combustion processor as claimed in claim 8, wherein the inlet pressure of the organic waste liquid is greater than the pressure inside the first cavity and is controlled to be 0.3-0.5 MPa.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110064059.7A CN112856438A (en) | 2021-01-18 | 2021-01-18 | Organic waste liquid combustion processor and use method thereof |
| PCT/CN2022/072508 WO2022152311A1 (en) | 2021-01-18 | 2022-01-18 | Waste gas/waste liquid/solid waste combustion treatment device and use method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110064059.7A CN112856438A (en) | 2021-01-18 | 2021-01-18 | Organic waste liquid combustion processor and use method thereof |
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| CN112856438A true CN112856438A (en) | 2021-05-28 |
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| CN202110064059.7A Pending CN112856438A (en) | 2021-01-18 | 2021-01-18 | Organic waste liquid combustion processor and use method thereof |
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| CN113800490A (en) * | 2021-10-20 | 2021-12-17 | 镇江江南化工有限公司 | Method for preparing crude sodium pyrophosphate by combustion conversion of phosphorus-containing waste liquid |
| WO2022152311A1 (en) * | 2021-01-18 | 2022-07-21 | 煤科院节能技术有限公司 | Waste gas/waste liquid/solid waste combustion treatment device and use method therefor |
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Application publication date: 20210528 |