CN106287752A - A kind of high-temperature roasting device and processing method thereof - Google Patents
A kind of high-temperature roasting device and processing method thereof Download PDFInfo
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- CN106287752A CN106287752A CN201610663831.6A CN201610663831A CN106287752A CN 106287752 A CN106287752 A CN 106287752A CN 201610663831 A CN201610663831 A CN 201610663831A CN 106287752 A CN106287752 A CN 106287752A
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- combustion
- gas
- spray
- waste
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/70—Blending
-
- 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
- F23G2204/103—Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/10—Liquid waste
- F23G2209/101—Waste liquor
Abstract
The present invention relates to a kind of high-temperature roasting device, including waste liquid tank, high-pressure pump, cooling bath, spray burning system, combustion fan and spray equipment, spray burning system includes waste-solution line, fuel gas pipeline, combustion-supporting air pipe, spray burning device, atomization roaster and fog pipeline.The present invention has the following advantages and beneficial effect: 1. by the filtration of waste liquid, ultrasonic disperse, it is thus achieved that homogeneous slurry system, then by special burner so that serosity roasting is more abundant；2. during roasting, utilizing the burning of the combustibles such as Organic substance to produce high temperature, make some compounds being difficult to decompose crack, the efficiency of cracking is high and is easily recycled；3. neutralize medicament without adding, do not introduce new salt component；4. can make full use of waste liquid middle and high concentration organic compound combustion heat supply, it is only necessary to supplement a small amount of fuel, system energy consumption is low, high-temperature flue gas waste heat can reuse, not only economize on resources but also protect environment；5. technological process is simple, and system run all right, production safety performance is high.
Description
Technical field
The invention belongs to acid pickle process field, particularly relate to a kind of high-temperature roasting device and processing method thereof.
Background technology
Energy-saving and emission-reduction oneself become the great state basic policy of China's industrial development.And China every year will be about discharge waste acid liquor near
Million cubic metres, acid pickle is divided into organic acid and mineral acid, in these acid pickles in addition to containing a considerable amount of residual acid, and mineral waste
Also rich in ferrous salt in acid, organic spent acid is then that COD value is high, and colourity is deep.Some enterprise uses acid to make to produce auxiliary material institute
Spent acid or the spent acid produced in producing other substance process of generation cannot process, and some employing acid-base integrations process, and have
The employing method of hoarding storage, not only waste resource but also can be to environment.
Substantial amounts of work has been made for a long time in the processing method seeking pickle liquor and utilization ways.It is summed up
Have: roasting method, concentration method, neutralisation, extraction, ion-exchange-resin process etc..Several spent acid processing methods the most all have should
With, but all Shortcomings.
For several method has the disadvantage in that in actual applications
1) ion-exchange-resin process: during application, pH value is very big on its impact, the acid that coexists in waste water is very big on the impact of resin,
Often destroying resin, therefore, its cost is the highest；
2) spent acid for the treatment of by extraction still there is substantial amounts of Organic substance be mixed in regenerated acid, process the most thorough；Additionally crude phenols
Regenerating more difficult, if crude phenols not carried out recycling, then in organic pollution, adding again new pollutant (thick
Phenol)；
3) shortcoming of concentration method is that production capacity is little, and equipment corrosion is serious, and the time between overhauls(TBO) is short, costly, processes one ton and gives up
Acid need to consume fuel oil 50 kilograms；
4) neutralisation: environment protection emission requirement can be met although being processed by the method for acid-base neutralization, but workshop shape
The spent acid become is acid strong, and intractability is big, and not only workload is big, and operating cost is high, and waste is serious, in N-process
Introducing new ion, therefore, it processes later material and can not reclaim, and the process neutralizing later waste water follow-up is more tired
Difficult.Therefore, traditional acid-base neutralization processing method not only have impact on production efficiency but also add processing cost, and poor processing effect
Strong man anticipates, and becomes the difficult problem that numerous enterprises is difficult to overcome.
Such as, the preparation process of Ziegler-Natta catalyst is first solid phase carrier by titanium tetrachloride Yu magnesium-containing compound
Mixing a period of time, to obtain highly active Ziegler-Natta catalyst component.Then varsol washing is utilized to be not loaded with
The salvage stores such as titanium tetrachloride and high-boiling components, obtains Ziegler-Natta catalyst mother solution, and wherein, high-boiling components mainly includes (halogen
Generation) high boiling substance such as alkoxytitanium, esters.Ziegler-Natta catalyst mother solution reclaims four chlorinations being not loaded with through dry distilling
Titanium, high-boiling components enters after hydrolysis kettle is hydrolyzed and produces substantial amounts of polyolefin catalyst titaniferous acid waste water Han Organic substance.Waste water
In containing substantial amounts of Organic substance, suspended particulate substance and hydrochloric acid, intractability is big.Traditional neutralisation treatment not only consume substantial amounts of in
After mediating recipe, and neutralization, in waste water, the separation of oils and fats and the ultra-fine grain titanium dioxide of hydrolysis generation separate difficulty, giving up after process
In water, chloride ion is higher, and subsequent treatment cost is high.Owing in sample, titaniferous suspended particulate matter concentration is higher, conventional high-temperature spray
Processing mode the most easily blocks damage burner, and cannot reclaim suspended particulate substance therein, causes vent gas treatment after burning
Difficulty, acid constituents cannot be reclaimed.
Summary of the invention
In view of this, a kind of practicality of offer, efficient acid waste liquid high-temperature roasting dress are provided
Putting, this device has simple in construction, is atomized fully and treatment effeciency high.
For reaching above-mentioned purpose, the present invention provides a kind of high-temperature roasting device, including waste liquid tank, high-pressure pump, cooling bath, spray
Mist combustion system, combustion fan, atomization roaster and spray equipment,
Described spray burning system includes waste-solution line, fuel gas pipeline, combustion-supporting air pipe, spray burning device, atomization roasting
Burn stove, fog pipeline and spray equipment,
Described spray burning device is tangentially mounted inside described atomization roaster,
Described spray burning device connects described waste liquid tank by described waste-solution line, arranges height on described waste-solution line
Press pump, the acid pickle that waste liquid tank stores is pumped in spray burning device by high-pressure pump；
Described spray burning device connects gas combustion apparatus by described fuel gas pipeline；
Described spray burning device connects combustion-supporting device of air by described combustion-supporting air pipe, sets on described combustion-supporting air pipe
Put combustion fan；
Described atomization roaster connects described spray equipment by fog pipeline；
Described cooling bath is arranged at the lower section of described spray burning device, and the bottom of described atomization roaster arranges material and goes out
Mouthful, described material outlet is right against described cooling bath.
Optionally, described waste-solution line arranges defecator and ultrasonic disperse system, the spent acid being stored in waste liquid tank
Liquid filters through defecator, removes impurity, after entering back into ultrasonic disperse system ultrasonic disperse, then is pumped into spraying by high-pressure pump
In burner.
Optionally, described spray burning device is pacified in tangential with body of heater surface above the body of heater of described atomization roaster
Dress, setting angle is less than horizontal line and is 2 °-10 ° with horizontal line angle.
Optionally, described waste-solution line, fuel gas pipeline and combustion-supporting air pipe are concentric pipe, and wherein inner tube is sewer pipe
Road, secondary outer tube is combustion gas feed pipe, and outer tube is combustion-supporting gas feed pipe.
Optionally, described spray burning device includes burner, set-point, described burner front end firelock.
Optionally, described fog pipeline arranges heat-exchanger rig.
A kind of high-temperature roasting processing method, comprises the steps:
1. the acid pickle being stored in waste liquid tank through defecator filter laggard enter ultrasonic disperse system, a large amount of in acid pickle
Organic substance, float are dispersed through rear and spent acid formation homogeneous slurry, pump into spray burning device by high-pressure pump, in spray burning
In device with a certain amount of combustion gas, help and burn in atomization roaster after combustion gas mixing；
2. serosity burning after formed gas enter fog pipeline, the waste heat in gas by heat-exchange device exchange to
Spray equipment is entered after the device that need to heat；
The solid formed after serosity burning is entered in cooling bath by material outlet；
3. the gas of spray equipment is entered through spray cleaning, recovery.
Optionally, the temperature in described atomization roaster is 400-500 DEG C.
Optionally, the temperature in described atomization roaster is 450 DEG C.
Optionally, described combustion gas is liquefied gas, natural gas or industry producer gas, and described combustion-supporting gas is air or oxygen
Gas.
The present invention has the following advantages and beneficial effect:
1. by the filtration of waste liquid, ultrasonic disperse, it is thus achieved that homogeneous slurry system, then by special burner, make
Obtain serosity roasting more abundant.
2., during roasting, utilize the burning of the combustibles such as Organic substance to produce high temperature, make some be difficult to the change decomposed
Compound cracks, and the efficiency of cracking is high and is easily recycled.
3. neutralize medicament without adding, do not introduce new salt component.
4. can make full use of waste liquid middle and high concentration organic compound combustion heat supply, it is only necessary to supplementing a small amount of fuel, system energy consumption is low, high
Temperature fume afterheat can reuse, not only economize on resources but also protect environment.
5. technological process is simple, and system run all right, production safety performance is high.
Accompanying drawing explanation
The calciner structural representation that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the concentric circular pipeline that Fig. 2 provides for the embodiment of the present invention；
The cross-sectional view of the concentric circular pipeline that Fig. 3 provides for the embodiment of the present invention.
Shown in figure as follows:
100: waste liquid tank；
200: defecator；
300: ultrasonic disperse system；
400: force (forcing) pump；
500: combustion fan；
600: cooling bath；
700: spray burning device；
800: atomization roaster；
801: material outlet；
900: heat-exchanger rig；
110: spray equipment.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Generally implement with the present invention illustrated described in accompanying drawing herein
The assembly of example can be arranged with various different configurations and design.Therefore, reality to the present invention provided in the accompanying drawings below
The detailed description executing example is not intended to limit the scope of claimed invention, but is merely representative of the selected enforcement of the present invention
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of protection of the invention.
The embodiment described below with reference to accompanying drawing is exemplary, it is intended to is used for explaining the present invention, and is not understood that
For limitation of the present invention.
The present invention is further illustrated with specific embodiment below with reference to accompanying drawings.
Embodiment 1
As shown in Figure 1, Figure 2 and Fig. 3, a kind of high-temperature roasting device that the embodiment of the present invention 1 provides, including waste liquid tank 100, high pressure
Pump 400, cooling bath 600, spray burning system, combustion fan 500 and spray equipment 110.
Spray burning system includes waste-solution line, fuel gas pipeline, combustion-supporting air pipe, spray burning device 700, atomization roasting
Stove 800 and fog pipeline.
Spray burning device 700 is tangentially mounted internal in atomization roaster 800, as preferred embodiment, and spraying combustion
Burning device 700 above the body of heater of atomization roaster 800 is tangentially mounted with body of heater surface, setting angle less than horizontal line and with
Horizontal line angle is 2 °-10 °, it is furthermore preferred that setting angle is 8 °.Tangentially mounted serosity, combustion gas and combustion-supporting gas can be made to enter one
Step is sufficiently mixed.
Spray burning device 700 connects waste liquid tank 100 by waste-solution line, arranges high-pressure pump 400, mistake on waste-solution line
Filter device 200 and ultrasonic disperse system 300, waste liquid tank 100 and high-pressure pump 400 are anticorrosion equipment.It is useless that waste liquid tank 100 stores
Acid solution filters through defecator 200, removes impurity, after entering back into ultrasonic disperse system 300 ultrasonic disperse, then passes through high-pressure pump
400 are pumped in spray burning device 700.
Spray burning device 700 connects gas combustion apparatus by fuel gas pipeline；
Spray burning device 700 connects combustion-supporting device of air by combustion-supporting air pipe, arranges combustion air on combustion-supporting air pipe
Machine 500, fuel gas pipeline, combustion-supporting air pipe and waste-solution line be concentric pipe, and wherein inner tube is waste-solution line, and secondary outer tube is combustion
Gas feed pipe, outer tube is combustion-supporting gas feed pipe.
Spray burning device 700 includes burner, set-point, burner front end firelock.
Atomization roaster 800 connects spray equipment 110 by fog pipeline；
Cooling bath 600 is arranged at the lower section of spray burning device 700, and the bottom of atomization roaster 800 arranges material outlet
801, material outlet 801 is right against cooling bath 600.
High-temperature roasting process time, the acid pickle being stored in waste liquid tank 100 through defecator 200 filter laggard enter ultrasonic point
Dissipate system 300, after large amount of organic, float are dispersed through in acid pickle and after spent acid formation homogeneous slurry, by high-pressure pump 400
Pump into spray burning device 700, in spray burning device 700 with a certain amount of combustion gas, help combustion gas mixing after atomization roaster
Burning in 800, sintering temperature is 400 DEG C-500 DEG C, and preferred sintering temperature is 450 DEG C；Combustion gas therein is liquefied gas, natural
Gas or industry producer gas, combustion-supporting gas is air or oxygen.
The gas formed after serosity burning enters fog pipeline, and the waste heat in gas is exchanged by heat-exchange device 900
Give the device that need to heat or circulating-heating atomization roaster 800.Gas enters spray equipment 110 afterwards；After serosity burning
The solid formed is entered in cooling bath 600 by material outlet 801.
The gas of entrance spray equipment 110, through spray cleaning, reclaims standby.
It is applied to the high-temperature roasting device of the present invention process the organic waste acid solution that polyethylene catalysis is later.In this acid pickle
Containing substantial amounts of polyolefin, titanium-containing compound, other Organic substance, suspended particulate substances etc..Specifically comprise the following steps that
Opening combustion fan 500, be passed through natural gas, burning torch is lighted a fire, and opens heat-exchange device 900 simultaneously.
After temperature in roaster 800 to be atomized rises to 500 DEG C, open waste liquid management, be stored in waste liquid tank 100
Organic waste acid solution filters through defecator 200, removes the solid waste of bulk, and organic waste acid solution enters into ultrasonic disperse system
In system 300, after 3KW ultrasonic disperse 10min, organic waste acid solution forms uniform serosity, and serosity pumps into spray by high-pressure pump 400
Mist burner 700, opens spray equipment 110 simultaneously.
In spray burning device 700, after serosity, natural gas and air are sufficiently mixed, serosity is in atomization roaster 800
Fully burning.According to the temperature in atomization roaster 800, adjust serosity, combustion gas and combustion-supporting gas size, keep atomization roaster
Ignition temperature in 800 is more than 450 DEG C.High temperature makes titanium-containing compound decompose, the Powdered titanium dioxide of shape and hydrogen chloride
Gas.
Wherein the titanium dioxide deposition of powder is in the bottom of atomization roaster 800, opens material outlet 801, powder
Titanium dioxide be stored in cooling bath 600, standby.
Hydrogen chloride gas therein enters fog pipeline, and the waste heat in hydrogen chloride gas is exchanged by heat-exchange device 900
Spray equipment 110 is entered after giving the device that need to heat.
During burning, the fully burning such as the Organic substance in serosity also can produce substantial amounts of heat, therefore, can save substantial amounts of sky
Combustion gas.
By heat-exchange device, the heat in hydrogen chloride gas is made full use of, save other fuel sources.
Hydrogen chloride gas enters spray equipment 110, and spray-absorption liquid is water.Water absorbing hydrogen chloride gas forms hydrochloric acid later
Reclaim.
Present invention process flow process is simple, system run all right.Utilize ultrasonic disperse, form uniform slurry system so that it is
Burning is more abundant, discharges substantial amounts of heat.This device, when separating titanium dioxide and hydrogen chloride gas, does not introduce other salt
Class component, the separator making acquisition is purer.
Using spray roasting to process hydrochloric acid pickling waste liquor and have preferable environment and economic benefit, the method does not produce newly
Pollutant, the tail gas of discharge also is able to up to standard.Meanwhile, hydrochloric acid and the titanium dioxide powder of recovery can recycle.Not only disappear
Except it is to water resource and the harm of soil, it is simultaneously achieved resource reclaim regeneration, meets the requirement of sustainable development.
This device can also be applied to the process of other organic waste acid solutions, such as, produce at steel and produce in the course of processing
Acid pickle etc..
Last it is noted that embodiment described above is merely to illustrate technical scheme, rather than it is limited
System；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: its
Still the technical scheme described in previous embodiment can be modified, or wherein part or all of technical characteristic is carried out
Equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical scheme
Scope.
Claims (10)
1. a high-temperature roasting device, it is characterised in that: include waste liquid tank (100), high-pressure pump (400), cooling bath (600), spray
Mist combustion system, combustion fan (500) and spray equipment (110),
Described spray burning system includes waste-solution line, fuel gas pipeline, combustion-supporting air pipe, spray burning device (700), atomization roasting
Burn stove (800) and fog pipeline,
Described spray burning device (700) is tangentially mounted internal in described atomization roaster (800),
Described spray burning device (700) connects described waste liquid tank (100) by described waste-solution line, on described waste-solution line
Arranging high-pressure pump, the acid pickle that waste liquid tank (100) stores is pumped in spray burning device (700) by high-pressure pump (400)；
Described spray burning device (700) connects gas combustion apparatus by described fuel gas pipeline；
Described spray burning device (700) connects combustion-supporting device of air by described combustion-supporting air pipe, on described combustion-supporting air pipe
Combustion fan (500) is set；
Described atomization roaster (800) connects described spray equipment (110) by fog pipeline；
Described cooling bath (600) is arranged at the lower section of described spray burning device (700), the end of described atomization roaster (800)
Portion arranges material outlet (801), and described material outlet (801) is right against described cooling bath (600).
High-temperature roasting device the most according to claim 1, it is characterised in that on described waste-solution line, defecator is set
And ultrasonic disperse system (300) (200), the acid pickle being stored in waste liquid tank (100) filters through defecator (200), removes
Impurity, after entering back into ultrasonic disperse system (300) ultrasonic disperse, then is pumped into spray burning device by high-pressure pump (400)
(700) in.
High-temperature roasting device the most according to claim 1, it is characterised in that described spray burning device (700) is from described
Be tangentially mounted with body of heater surface above the body of heater of atomization roaster (800), setting angle less than horizontal line and with horizontal wire clamp
Angle is 2 °-10 °.
High-temperature roasting device the most according to claim 1, it is characterised in that described waste-solution line, fuel gas pipeline and combustion-supporting
Air pipe is concentric circular pipeline, and wherein inner tube is waste-solution line, and secondary outer tube is combustion gas feed pipe, and outer tube is the charging of combustion-supporting gas
Pipe.
High-temperature roasting device the most according to claim 1, it is characterised in that described spray burning device (700) includes combustion
Burner, set-point, described burner front end firelock.
High-temperature roasting device the most according to claim 1, it is characterised in that on described fog pipeline, heat-exchanger rig is set
(900)。
7. a high-temperature roasting processing method, it is characterised in that comprise the steps:
1. the acid pickle being stored in waste liquid tank (100) through defecator (200) filter laggard enter ultrasonic disperse system (300),
In acid pickle, large amount of organic, float are dispersed through rear and spent acid formation homogeneous slurry, pump into spraying combustion by high-pressure pump (400)
Burn device (700), in spray burning device (700) with a certain amount of combustion gas, help combustion gas mixing after in atomization roaster (800)
Burning；
2. the gas formed after serosity burning enters fog pipeline, and the waste heat in gas is exchanged by heat-exchange device (900)
Spray equipment (110) is entered after giving the device that need to heat；
The solid formed after serosity burning is entered in cooling bath (600) by material outlet (801)；
3. the gas of spray equipment (110) is entered through spray cleaning, recovery.
High-temperature roasting processing method the most according to claim 7, it is characterised in that in described atomization roaster (800)
Temperature is 400 DEG C-500 DEG C.
High-temperature roasting processing method the most according to claim 8, it is characterised in that in described atomization roaster (800)
Temperature is 450 DEG C.
High-temperature roasting processing method the most according to claim 7, it is characterised in that described combustion gas is liquefied gas, natural gas
Or industry producer gas, described combustion-supporting gas is air or oxygen.
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| CN201610663831.6A CN106287752A (en) | 2016-08-12 | 2016-08-12 | A kind of high-temperature roasting device and processing method thereof |
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| CN201610663831.6A CN106287752A (en) | 2016-08-12 | 2016-08-12 | A kind of high-temperature roasting device and processing method thereof |
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Cited By (3)
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| CN106976845A (en) * | 2017-05-05 | 2017-07-25 | 中国科学院过程工程研究所 | A kind of method of spray burning device and synthesis of metal oxide powder of spraying |
| CN107894001A (en) * | 2017-11-17 | 2018-04-10 | 北京航化节能环保技术有限公司 | A kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas |
| CN109404934A (en) * | 2018-12-02 | 2019-03-01 | 江苏振达环保科技有限公司 | A kind of organic waste liquid burning device |
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| CN106976845B (en) * | 2017-05-05 | 2023-08-01 | 中国科学院过程工程研究所 | Spray combustion device and method for synthesizing metal oxide powder by spraying |
| CN107894001A (en) * | 2017-11-17 | 2018-04-10 | 北京航化节能环保技术有限公司 | A kind of special kind firing device of burning disposal higher boiling waste liquid and waste gas |
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| CN109404934A (en) * | 2018-12-02 | 2019-03-01 | 江苏振达环保科技有限公司 | A kind of organic waste liquid burning device |
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Application publication date: 20170104 |