CN107514644B - Dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner and control method - Google Patents
Dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner and control method Download PDFInfo
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- CN107514644B CN107514644B CN201710625069.7A CN201710625069A CN107514644B CN 107514644 B CN107514644 B CN 107514644B CN 201710625069 A CN201710625069 A CN 201710625069A CN 107514644 B CN107514644 B CN 107514644B
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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
- 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
- F23G5/50—Control or safety arrangements
-
- 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
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
Abstract
The present invention provides a kind of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner and control method, including providing body portion and the jet pipe on the light a fire head, waste gas and liquids treatment that premix gas, kerosene and air point multichannel are supplied, control igniting oxidant and igniter fuel are in inclined fuel-rich state and ensure reliable ignition, two-stage sudden expansion structure plays steady flame, using grouping burning, different spray nozzles structure type, enable waste gas and waste liquid full combustion, it is ensured that discharge content difference the < 800ppm and 0.6ppm of dinitrogen tetroxide, Hydrazine propellant.The burner good, reliable ignition, the advantages that combustion gas is complete, tail gas is nontoxic for structural strength, can be used for handling dinitrogen tetroxide/Hydrazine propellant waste gas and waste liquid.
Description
Technical field
The invention belongs to noxious material innoxious process for treating fields, and it is useless to relate generally to dinitrogen tetroxide/Hydrazine propellant
Gas liquid waste processing, it is specifically a kind of to be used for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner and control method, it can
Handle the waste gas and waste liquid that dinitrogen tetroxide/Hydrazine propellant generates.
Background technique
Dinitrogen tetroxide/hydrazine (such as anhydrous hydrazine, methyl hydrazine, uns-dimethylhydrazine) propellant is current China's liquid rocket hair
One of common propellant combination of motivation, dinitrogen tetroxide/Hydrazine propellant belongs to severe poisonous chemicals, wherein dinitrogen tetroxide
LC50(big white mouse sucks 4h) is 126mg/m3, hydrazine LD50For 60mg/kg, the LD of methyl hydrazine50For 32mg/kg, uns-dimethylhydrazine
LD50For 122mg/kg, the dinitrogen tetroxide/hydrazine generated during research and production, test (such as anhydrous hydrazine, methyl hydrazine, partially
Dimethylhydrazine etc.) if the waste gas and waste liquid of propellant not in time, is rationally disposed, it will cause environmental pollution, come to the safety belt of personnel tight
Weight hidden danger.
Mainly there are Physical Absorption method, chemical treatment for dinitrogen tetroxide/Hydrazine propellant exhaust gas processing method at present
Method and biological treatment mainly have method of chemical treatment and burning for dinitrogen tetroxide/Hydrazine propellant waste liquid processing method
Method, the article of entitled " Rocket exhaust processing bears fruit " of the 5th phase in 1996 " space technology and civilian " publication, discloses
101 institute of China Aerospace Science and Technology Corporation preheats catalytic reaction bed using air preheater with Ecological Envionment Research Centre, Chinese Academy of Sciences
Method realize the removal rate of dinitrogen tetroxide 95%；2nd phase in 2001 " range test and management ", publication was entitled " uses coal
Oil firing method processing space launching site dinitrogen tetroxide and uns-dimethylhydrazine exhaust gas " discloses Jiuquan Satellite Launch Center for four oxygen
Change phenodiazine and uns-dimethylhydrazine, devise two kinds of burners, using kerosene burning processing realization dinitrogen tetroxide < 800ppm, partially
The treatment effect of Dimethylhydrazine < 0.6ppm.
The treating method and apparatus of above-mentioned exhaust gas or waste liquid can only individually handle dinitrogen tetroxide or Hydrazine propellant,
The processing unit of exhaust gas and waste liquid can not share.In the actual use process, it both needs to handle dinitrogen tetroxide, hydrazine pushes away
Into the exhaust gas of agent, while it being also required to the waste liquid of processing dinitrogen tetroxide, Hydrazine propellant, a set of can be handled for there is no at present
The exhaust gas of dinitrogen tetroxide, Hydrazine propellant, but can handle dinitrogen tetroxide, Hydrazine propellant waste liquid device, for save
Cost, improves space utilization rate and safety at simplied system structure, this invention address that propose it is a kind of for dinitrogen tetroxide/
Hydrazine propellant waste gas and liquids treatment burner and control method, to realize that set of device realizes processing dinitrogen tetroxide, hydrazine
The exhaust gas of propellant and the purpose of waste liquid.
Summary of the invention
Technical problem solved by the present invention is provide it is a set of can be realized processing dinitrogen tetroxide, Hydrazine propellant it is useless
The device of gas and waste liquid, and reach the discharge content < of discharge content < 800ppm of dinitrogen tetroxide, Hydrazine propellant
The effect of 0.6ppm.
The technical solution of the invention is as follows provide it is a kind of for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment
Burner, body portion 2 and jet pipe 3, head 1 including providing the light a fire head 1, waste gas and liquids treatment that premix gas are located at body portion 2
Front end and body portion be co-axially mounted, jet pipe 3 is located at the end in body portion 2 and body portion 2 is co-axially mounted；
It is characterized in that
Above-mentioned head 1 includes the head inner tube 11 and head outer tube 12 of coaxial package, outside above-mentioned head inner tube 11 and head
The front end of pipe 12 is connected by head cover board 13, and the center for forming head is whole；The cavity of head inner tube 11 is igniting kerosene
Channel forms air duct, one end extended tips cover board 13 of head inner tube 11, head between head inner tube 11 and head outer tube 12
The other end of portion's inner tube is equipped with ignition coal oil burner nozzle 14 and step mixing tube 15, and step mixing tube 15 includes big end 152
With small end 151, ignition coal oil burner nozzle 14 is located in step mixing tube small end 151；15 small end side wall of step mixing tube is uniformly distributed
Keyhole formation igniting air duct；It is sequentially formed between step mixing tube 15 and ignition coal oil burner nozzle 14 along kerosene flow direction
Range of atomization (small end) and dilution zone (big end)；
Head outer tube has the first air duct 16, and the rear end of head outer tube 12 and step mixing tube big end 152 are logical
It crosses auxiliary air homogenizing plate 17 and body portion links together；Aperture is provided on above-mentioned auxiliary air homogenizing plate 17；
It the body portion inner tube 21 in above-mentioned body portion 2 including coaxial package, body portion outer tube 22 and is mounted in body portion 2, both passes through body
The multiple no air duct module mounting bases 23 and multiple band air duct module mounting bases 24 of portion's inner tube 21 and body portion outer tube 22,
The second air duct 241 is provided in above-mentioned band air duct module mounting base 24；
Above-mentioned body portion 2 further include the igniter seat 25 detachably installed with each no air duct module mounting base 23 respectively,
N2O4Liquid waste processing module 26, N2O4Exhaust-gas treatment module 27 and hydrazine exhaust-gas treatment module 28 and with band air duct module pacify
The hydrazine liquid waste processing module 29 that dress seat 24 is detachably installed；
Above-mentioned N2O4Liquid waste processing module 26, N2O4Exhaust-gas treatment module 27 and hydrazine exhaust-gas treatment module 28 and hydrazine are useless
Entrance, channel and nozzle are all had in liquid processing module 29；Above-mentioned entrance is connected to nozzle by channel, and said nozzle is located at body
In portion 2；
Above-mentioned N2O4Exhaust-gas treatment module 27 and N2O4Kerosene import is additionally provided in liquid waste processing module 26；Above-mentioned kerosene
Import is connected to channel；
Air in head outer tube 12 enters 21 and of body portion inner tube by the aperture 171,172 on auxiliary air homogenizing plate 17
Interlayer between 22 pipe of body portion outer tube；Interlayer air passes through with the second air duct 241 being arranged in air duct module mounting base 24
Into body portion inner tube 21；
Combustion gas in step mixing tube 15 enters body portion inner tube 21 by the aperture 173 on auxiliary air homogenizing plate 17；
Above-mentioned jet pipe is connect with body portion outer tube.
Range of atomization and dilution zone are sequentially formed along kerosene flow direction between step mixing tube and ignition coal oil burner nozzle, with
Guarantee kerosene, air atomizing and blending uniformly, guarantees reliable ignition.
Preferably, above-mentioned ignition coal oil burner nozzle 14 is tangential cellular type single group member rotarytype injector；After above-mentioned body portion inner tube 21
Section side wall is provided with aperture 221.Body portion inner tube back segment side wall is provided with aperture, and inner and outer pipes back segment is on the one hand avoided to form dead space, accelerates
Air flowing reduces body portion outer wall of inner tube temperature, on the other hand carries out afterburning, make waste gas and waste liquid full combustion.
Preferably, the uniformly distributed aperture of 151 side walls of above-mentioned step mixing tube small end is straight hole, and axially bored line is mixed with step
The angle of pipe axis is 40 °~60 °, and hole tee section is round or rectangular.
Preferably, above-mentioned N2O4Liquid waste processing module 26, N2O4Exhaust-gas treatment module 27,28 and of hydrazine exhaust-gas treatment module
Hydrazine liquid waste processing module 29, form of nozzle are respectively direct current collision, gas-liquid coaxial DC rotarytype injector, direct projection gas
Nozzle and center direct current self-impacting and outer ring direct projection gas nozzle, each nozzle is in 180 ° of installations.
Preferably, above-mentioned no air duct module mounting base 23 and with air duct module mounting base 24 along airintake direction according to
The secondary middle leading portion for being mounted on body portion 2.
Preferably, N2O4The channel of liquid waste processing module 26 includes N2O4Waste fluid channel and kerosene channel, N2O4Waste fluid channel
One end be connected to entrance, the one end in kerosene channel and kerosene inlet communication, the N2O4Waste fluid channel is another with kerosene channel
End is connected to nozzle.
Preferably, above-mentioned head inner tube 11 and the front end of head outer tube 12 are welded to connect by head cover board 13；Head
The rear end of outer tube 12 and step mixing tube big end 152 are welded to connect by auxiliary air homogenizing plate 17 and body portion；
Preferably, for the ease of changeing, above-mentioned igniter seat 25, N2O4Liquid waste processing module 26, N2O4Exhaust-gas treatment module
27 and hydrazine exhaust-gas treatment module 28 be connected through a screw thread with no air duct module mounting base 23；Above-mentioned hydrazine liquid waste processing
Module 29 is connected through a screw thread with air duct module mounting base 24.Jet pipe 3 and 22 flanged joint of body portion outer tube.
Preferably, 25 axis of igniter seat is 30mm~60mm at a distance from auxiliary air homogenizing plate 17.
Preferably, above-mentioned N2O4Liquid waste processing module 26, N2O4Exhaust-gas treatment module 27,28 and of hydrazine exhaust-gas treatment module
Hydrazine liquid waste processing module 29, axis be respectively at a distance from auxiliary air homogenizing plate 17 90mm~120mm, 150mm~
180mm, 290mm~320mm and 340mm~370mm.
The present invention also provides a kind of control method of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner,
Above-mentioned for executing on dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner, control process includes following
Step:
Step 1: control enters the primary igniting air of step mixing tube small end and enters the primary igniting of head inner tube
The mixing ratio of kerosene is 8~12, partially fuel-rich, it is ensured that light a fire successfully；Igniting can be met using common spark plugs to require；
Step 2: the amount of the primary igniting air of control and primary igniting kerosene makes step mixing tube big end i.e. dilution zone
The mixed gas flow velocity of the two is 12m/s~20m/s, it is ensured that flame stabilization；
Step 3: the amount of exhaust gas or waste liquid to be processed is controlled, N is made2O4Partially fuel-rich burning or the inclined oxygen combustion combustion of Hydrazine propellant
It burns, it is ensured that waste gas and waste liquid sufficiently reacts, and forms nontoxic tail gas；
Step 4: the flow velocity of the primary igniting air of control and primary igniting kerosene premix gas is mixed and burned section and uses two-stage
Sudden expansion design, reduces the flow velocity of kerosene and air, is atomized kerosene sufficiently, mixes with air uniformly, guarantees that kerosene and air are steady
Fixed burning forms torch.
Air is divided into the supply of three tunnels by the present invention, and air all the way is supplied on head, and for lighting a fire, body portion supplies two-way air,
Air is used to burn with fuel-rich combustion gas or Hydrazine propellant all the way, and air is for cooling down body portion inner tube and secondary afterburning all the way.Coal
The supply of oil two-way, kerosene is for lighting a fire all the way for head supply, and kerosene is used for and N the supply of body portion all the way2O4Waste gas and waste liquid burning,
The branch supply of kerosene is convenient for accurate control and adjusts flow, achievees the purpose that control igniting and burning.
Compared with the prior art, the invention has the advantages that:
(1) present invention uses a set of burning processing device, can handle toxic oxidant N respectively2O4With the exhaust gas of Hydrazine fuel
And waste liquid, have the advantages that low in cost, easy to operate, using flexible, save space.
(2) present invention makes toxic oxidant N by using partition packet mixed burning method2O4Locate respectively with Hydrazine fuel
The combustion reaction under fuel-rich and oxygen-enriched environment guarantees the reaction of noxious material full combustion, the noxious material in tail gas is effectively reduced
Residual.
(3) present invention is guaranteed for mixing physical property different under different operating mode using different Nozzle combination modes
Oxidant can be efficiently mixed and burned with fuel under each operation mode, and the noxious material residual in tail gas is effectively reduced.
(4) four kinds of modules of present invention processing waste gas and waste liquid are connected through a screw thread with mounting base, are conducive to change, convenient
Maintenance, save the cost.
(5) burner of the invention is compact-sized, and component is all made of stainless steel material, uses welding between each main member,
Structural strength is good, and high reliablity has the ability of repeatedly using.
Detailed description of the invention
Fig. 1 is burner schematic diagram of the present invention；
Fig. 2 is the A of Fig. 1 to top cross-sectional view；
Fig. 3 burner head schematic diagram of the present invention；
Fig. 4 is sectional view of the Fig. 3 along A-A；
Fig. 5 burner of the present invention is without air duct module mounting base schematic diagram；
Fig. 6 is the A pseudosection to the left of Fig. 5；
Fig. 7 burner band air duct module mounting base schematic diagram of the present invention；
Fig. 8 is the A pseudosection to the left of Fig. 7；
Fig. 9 is N of the invention2O4Liquid waste processing modular structure schematic diagram；
Figure 10 is the A pseudosection to the left of Fig. 9；
Figure 11 is N of the invention2O4Exhaust-gas treatment modular structure schematic diagram；
Figure 12 is the A pseudosection to the left of Figure 11；
Figure 13 is hydrazine exhaust-gas treatment modular structure schematic diagram of the invention；
Figure 14 is the A pseudosection to the left of Figure 13；
Figure 15 is hydrazine liquid waste processing modular structure schematic diagram of the invention；
Figure 16 is the A pseudosection to the left of Figure 15.
Appended drawing reference in figure are as follows: the head 1-, the head 11- inner tube, the head 12- outer tube, the head 13- cover board, 14- igniting kerosene
Nozzle, 15- step mixing tube, 151- small end, 1511- aperture, 152- big end, the first air duct of 16-, 17- auxiliary air
Homogenizing plate, 171,172,173- aperture；
2- body portion, 21- body portion inner tube, 22- body portion outer tube, 221- aperture；23- is without air duct module mounting base, 24- band
Air duct module mounting base, the second air duct of 241-, 25- igniter seat, 26-N2O4Liquid waste processing module, 27-N2O4It is useless
Gas disposal module, 28- hydrazine exhaust-gas treatment module, 29- hydrazine liquid waste processing module；
3- jet pipe.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawings and detailed description:
Embodiment one
The present invention for there is no it is a set of can handle dinitrogen tetroxide waste gas and waste liquid and handle Hydrazine propellant exhaust gas give up
The status of liquid device proposes a kind of for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner, including offer
It is located at the front end and body portion in body portion 2 for the head 1 for premix gas of lighting a fire, the body portion 2 of waste gas and liquids treatment and jet pipe 3, head 1
2 are co-axially mounted, and jet pipe 3 is located at the end in body portion 2 and body portion 2 is co-axially mounted, and referring to Fig. 1 and Fig. 2, head 1, which provides, is used for point
The Kerosene/Air of fire premixes gas, the waste gas and waste liquid handled needed for 2 primary combustion of body portion；Head inner tube 11 and head outer tube 12 are same
Axis is installed, and welding is equipped on 11 leading portion position of head inner tube and is led directly to, and is passed through head cover board 13 with 12 front end of head outer tube and is welded
It connects in succession, the center for forming head is whole, and the cavity of head inner tube 11 is igniting kerosene channel, head inner tube 11 and head outer tube
Air duct is formed between 12, inner tube 11 end in head is equipped with ignition coal oil burner nozzle 14, installation on the outside of 11 rear end of head inner tube
There is step mixing tube 15, two-stage sudden expansion design premixes the flow velocity of gas to reduce to light a fire, and be conducive to stable burning and form torch,
15 leading portion side of step mixing tube is evenly distributed with keyhole formation igniting air duct, step mixing tube 15 and ignition coal oil burner nozzle 14
Between along kerosene flow direction sequentially form range of atomization and dilution zone, referring to fig. 4, outer tube 12 front end side in head is equipped with
One air duct 16, head 1 and body portion 2 are welded together by auxiliary air homogenizing plate 17；Body portion inner tube 21 and body portion outer tube
22 are co-axially mounted, no air duct module mounting base 23, band air duct module mounting base 24, referring to Fig. 6 and Fig. 8, along air inlet
Direction is sequentially arranged at the middle leading portion of body portion outer tube 22, both passes through body portion inner and outer pipes, mutually welds with body portion inner and outer pipe, igniter
Seat 25 is connected through a screw thread with no air duct module mounting base 23, the other side in installation air duct, N2O4Liquid waste processing
Module 26, N2O4Exhaust-gas treatment module 27 and hydrazine exhaust-gas treatment module 28 are successively pacified with no air duct module along airintake direction
Dress seat 23 is connected through a screw thread, in pairs in 180 ° of installations, referring to Figure 10, Figure 12 and Figure 14, hydrazine liquid waste processing module 29 and band
Air duct module mounting base 24 is connected through a screw thread, in pairs in 180 ° of installations, referring to Figure 16；Jet pipe 3 and body portion outer tube 22
Flanged joint.
The present invention uses two-stage sudden expansion structure in the design of igniter, effectively reduces the flow velocity of igniting premix gas,
Kerosene is atomized sufficiently while improving flame holding, is mixed with air uniformly, ignition energy requirement is reduced, and guarantees kerosene
It lights a fire to form torch with air-stable.The present invention is directed to N in the master-plan of device2O4/ Hydrazine propellant waste gas and waste liquid is not
With physical property and feature, 4 kinds of operation modes are devised, using different Nozzle combination form and partition packet mixed burning method,
So that toxic oxidant and fuel is respectively at combustion reaction under fuel-rich and oxygen-enriched environment, guarantees the reaction of noxious material full combustion.
Burner of the invention can be realized processing dinitrogen tetroxide, the exhaust gas of Hydrazine propellant and waste liquid and share a suit
It sets, and achievees the effect that the discharge content < 0.6ppm of discharge content < 800ppm of dinitrogen tetroxide, Hydrazine propellant.
Embodiment two
For dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner structure and the same embodiment of overall plan
One, difference is: ignition coal oil burner nozzle 14 is tangential cellular type single group member rotarytype injector, it is ensured that the atomized particle size of kerosene.
Kerosene of lighting a fire enters from igniting kerosene channel through the tangential hole of ignition coal oil burner nozzle 14, sprays into range of atomization from jet expansion and is lighting a fire
Secondary-atomizing blending is carried out under air effect, gaseous mixture further blends ignition in dilution zone and forms the fuel-rich combustion gas of high temperature.
Air duct of lighting a fire is the uniformly distributed straight hole in step mixing tube leading portion side, and in this example, hole tee section is circle.
Embodiment three
For dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner structure and the same embodiment of overall plan
One, two, head inner tube 11, head outer tube 12, auxiliary air homogenizing plate 17, body portion inner tube 21, body portion outer tube 22, jet pipe 3, nothing
Air duct module mounting base 23, band air duct module mounting base 24, N2O4Liquid waste processing module 26, N2O4Exhaust-gas treatment mould
Block 27, hydrazine exhaust-gas treatment module 28, hydrazine liquid waste processing module 29, ignition coal oil burner nozzle 14, step mixing tube 15, igniting
The material of device seat 25 and head cover board 13 is all made of stainless steel；Except N2O4Liquid waste processing module 26, N2O4Exhaust-gas treatment module 27,
Using being threadedly coupled between hydrazine exhaust-gas treatment module 28, hydrazine liquid waste processing module 29 and mounting base, convenient for changeing, remaining is each
It is all made of welded connecting between part, guarantees the intensity of burner.
Head 1 and body portion 2 are coaxially socketed to form by inner and outer pipes, and head inner tube 11 is fuel cavity, are between the inner and outer pipe of head
Oxidant cavity, 11 rear end of head inner tube are equipped with step mixing tube 15, and ignition coal oil burner nozzle 14 is loaded on 11 end of head inner tube, with
Range of atomization and dilution zone are sequentially formed between step mixing tube 15,15 leading portion side of step mixing tube is evenly distributed with keyhole formation igniting
Air duct, the igniting kerosene of primary atomization secondary-atomizing, blending, igniter seat 25 under the action of lighting a fire air are mounted in body portion
Interior tube head, igniting kerosene and igniting air burn to form torch in igniter effect down-firing, and waste gas and waste liquid passes through different
Module sprays into burning chamber body portion and burns, and generates nontoxic tail gas.
The structural strength of apparatus of the present invention is good, reliable ignition, and waste gas and waste liquid is made to be transformed into nontoxic tail gas discharge.
Example IV
The present invention also provides a kind of for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner controlling party
Method, above-mentioned for being executed on dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner, for four oxidations two
Nitrogen/Hydrazine propellant waste gas and liquids treatment burner with embodiment one to three,
Control process includes
Step 1: the mixing ratio for controlling primary (igniting) air and primary (igniting) kerosene is 8~12, partially fuel-rich, it is ensured that
It lights a fire successfully；Igniting can be met using common spark plugs to require.In this example, primary (igniting) air and primary (igniting) coal
The mixing ratio of oil is 8.
Step 2: the amount of primary (igniting) air and primary (igniting) kerosene is controlled, the mixed gas of both dilution zones is made
Flow velocity is 12m/s~20m/s, it is ensured that flame stabilization.In this example, the mixed gas flow velocity of both dilution zones is 12m/s.
Step 3: the amount of exhaust gas or waste liquid to be processed is controlled, N is made2O4Partially fuel-rich burning or the inclined oxygen combustion combustion of Hydrazine propellant
It burns, it is ensured that waste gas and waste liquid sufficiently reacts, and forms nontoxic tail gas.
Step 4: the flow velocity of primary (igniting) air and primary (igniting) kerosene premix gas is controlled, section is mixed and burned and uses
Two-stage sudden expansion designs, and reduces the flow velocity of kerosene and air, is atomized kerosene sufficiently, mixes with air uniformly, guarantees kerosene and sky
Gas stablizes burning and forms torch.
The technical principle that the present invention takes: when igniting, the mixing ratio of oxidant and fuel is controlled, is allowed in fuel-rich shape
State using two-stage sudden expansion technology, reduces the flow velocity of gaseous mixture, convenient for stablizing flame convenient for igniting；When waste gas and liquids treatment, root
Different processing modules is selected according to the physical property of waste gas and waste liquid to be processed, when handling a certain exhaust gas or waste liquid, excess-three mould
Block is in close state, i.e. only one processing module work every time, handles oxidant N2O4Fuel-rich burning is used when waste gas and waste liquid
Technology guarantees oxidant N2O4Waste gas and waste liquid sufficiently reacts, and fuel-rich combustion gas makes the kerosene in fuel-rich combustion gas with tertiary air burning again
Sufficiently reaction uses oxygen-enriched combustion technology when handling fuel hydrazine waste gas and waste liquid, guarantees that fuel hydrazine waste gas and waste liquid sufficiently reacts,
Form nontoxic tail gas.
Embodiment five
Dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner same example IV of control method, in this example, point
Kindling oil and igniting air burning form torch, N2O4Waste liquid and secondary kerosene pass through N2O4Liquid waste processing module 26 enters burning
Device carries out spray burning, makes N2O4The fuel-rich combustion gas mixing that sufficiently reaction, auxiliary air and front end are formed is burnt, and fuel-rich combustion gas is made
In kerosene sufficiently react, form nontoxic tail gas；Tertiary air is after body portion tail end penetrating, holding air injection reaction hole, body
Air in portion's interlayer flows, the inner wall in cooling body portion, in this example, uses N2O4Liquid waste processing module 26.
Embodiment six
Dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner control method is the same as example IV to five, this example
In, igniting kerosene and igniting air burning form torch, N2O4Exhaust gas and secondary kerosene pass through N2O4Exhaust-gas treatment module 27 enters
Burner carries out spray burning, makes N2O4The fuel-rich combustion gas mixing that sufficiently reaction, auxiliary air and front end are formed is burnt, and is made fuel-rich
Kerosene in combustion gas sufficiently reacts, and forms nontoxic tail gas；Tertiary air is sprayed into from body portion tail end, keeps air injection reaction hole
Afterwards, the air in body portion interlayer flows, the inner wall in cooling body portion, in this example, uses N2O4Exhaust-gas treatment module 27, other three
Module is closed.
Embodiment seven
Dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner control method is the same as example IV to six, this example
In,
Step 1: the mixing ratio for controlling primary (igniting) air and primary (igniting) kerosene is 8~12, partially fuel-rich, it is ensured that
It lights a fire successfully；Igniting can be met using common spark plugs to require.In this example, primary (igniting) air and primary (igniting) coal
The mixing ratio of oil is 12.
Step 2: the amount of primary (igniting) air and primary (igniting) kerosene is controlled, the mixed gas of both dilution zones is made
Flow velocity is 12m/s~20m/s, it is ensured that flame stabilization.In this example, the mixed gas flow velocity of both dilution zones is 20m/s.
Kerosene light a fire with igniting air burning formation torch, hydrazine exhaust gas passes through hydrazine exhaust-gas treatment module with auxiliary air
28, which enter burner, carries out spray burning, reacts hydrazine exhaust gas sufficiently, the oxygen rich fuel gas of formation and the fuel-rich combustion of igniting generation
Gas burning, reacts the kerosene in fuel-rich combustion gas sufficiently, forms nontoxic tail gas；Tertiary air is sprayed into from body portion tail end, keeps two
Air after secondary air jet hole, in body portion interlayer flows, the inner wall in cooling body portion, in this example, uses hydrazine exhaust-gas treatment mould
Block 28.
Embodiment eight
Dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner control method is the same as example IV to seven, this example
In,
Kerosene light a fire with igniting air burning formation torch, hydrazine waste liquid passes through hydrazine liquid waste processing module with auxiliary air
29, which enter burner, carries out spray burning, reacts hydrazine waste liquid sufficiently, the oxygen rich fuel gas of formation and the fuel-rich combustion of igniting generation
Gas burning, reacts the kerosene in fuel-rich combustion gas sufficiently, forms nontoxic tail gas；Tertiary air is sprayed into from body portion tail end, keeps two
Air after secondary air jet hole, in body portion interlayer flows, the inner wall in cooling body portion, in this example, uses hydrazine liquid waste processing mould
Block 29.
In brief, disclosed by the invention to be used for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner, the combustion
Burner head is socketed to form by inside and outside two steel pipes, and head internal tube is fuel cavity, shape between head inner tube and head outer tube
At oxidant cavity, head inner tube rear end is equipped with step mixing tube, and ignition coal oil burner nozzle is loaded on pipe end in head, with step
Range of atomization and dilution zone are sequentially formed between mixing tube, step mixing tube leading portion side is evenly distributed with keyhole formation igniting air duct,
The igniting kerosene of primary atomization secondary-atomizing, blending under the action of lighting a fire air, igniter seat is mounted in tube head in body portion, point
Kindling oil and igniting air burn to form torch in igniter effect down-firing, and waste gas and waste liquid sprays into burning by different modules
Chamber body portion burns, and generates nontoxic tail gas.
The present invention is allowed under fuel-rich state, by the amount of control igniting air and kerosene of lighting a fire using two-stage sudden expansion skill
Art, it is ensured that reliable, flame stabilization of lighting a fire, using partition packet mixed burning method and different Nozzle combination modes, it is ensured that mist
Change uniform, burning completely, makes toxic oxidant N2O4It is respectively at combustion reaction under fuel-rich and oxygen-enriched environment with Hydrazine fuel, is protected
The reaction of noxious material full combustion is demonstrate,proved, the noxious material residual in tail gas is effectively reduced.
The foregoing description and attached drawing of present embodiment represent preferred embodiment of the invention, and those skilled in the art can root
Various supplements are carried out in the range of defined without departing from the claims in the present invention according to different design requirement and design parameter, are changed
Into and replacement, therefore, the present invention is extensive.
Claims (10)
1. a kind of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner, including providing the head for premix gas of lighting a fire
(1), the body portion (2) of waste gas and liquids treatment and jet pipe (3), head (1) is located at the front end in body portion (2) and body portion is co-axially mounted,
Jet pipe (3) is located at the end in body portion (2) and body portion (2) are co-axially mounted；
It is characterized by:
The head (1) includes the head inner tube (11) and head outer tube (12) of coaxial package, outside head inner tube (11) and head
Air duct is formed between pipe (12), the head inner tube (11) and the front end of head outer tube (12) pass through head cover board (13)
Connection；One end extended tips cover board (13) of head inner tube (11), the other end of head inner tube are equipped with ignition coal oil burner nozzle
(14) and step mixing tube (15), step mixing tube (15) include big end (152) and small end (151), ignition coal oil burner nozzle
(14) it is located in step mixing tube small end (151)；Step mixing tube small end (151) side wall is evenly distributed with aperture (1511) and forms point
Fiery air duct；
Head outer tube has the first air duct (16), the rear end of head outer tube (12) and step mixing tube big end (152)
It is linked together by auxiliary air homogenizing plate (17) and body portion；Aperture is provided on the auxiliary air homogenizing plate (17)；
The body portion (2) includes the body portion inner tube (21) of coaxial package, body portion outer tube (22) and is mounted on body portion (2), wears
Cross body portion inner tube (21) and body portion outer tube (22) multiple no air duct module mounting bases (23) and multiple band air duct moulds
Block mounting base (24)；The second air duct (241) are provided on the band air duct module mounting base (24)；
The body portion (2) further includes the igniter seat detachably installed with each no air duct module mounting base (23) respectively
(25)、N2O4Liquid waste processing module (26), N2O4Exhaust-gas treatment module (27) and hydrazine exhaust-gas treatment module (28) and with band air
The hydrazine liquid waste processing module (29) that channel module mounting base (24) is detachably installed；
The N2O4Liquid waste processing module (26), N2O4Exhaust-gas treatment module (27) and hydrazine exhaust-gas treatment module (28) and hydrazine are useless
Liquid processing module all has entrance, channel and nozzle on (29)；The entrance is connected to nozzle by channel, and the nozzle is located at
In body portion (2)；
The N2O4Exhaust-gas treatment module (27) and N2O4Liquid waste processing module is additionally provided with kerosene import on (26)；The kerosene into
Mouth is connected to channel；
Air in head outer tube (12) enters body portion inner tube by the aperture (171) on auxiliary air homogenizing plate (17), (172)
(21) interlayer between body portion outer tube (22) pipe, interlayer air pass through empty with second be arranged in air duct module mounting base (24)
Gas channel (241) enters body portion inner tube (21)；Combustion gas in step mixing tube (15) passes through auxiliary air homogenizing plate (17)
On aperture (173) enter body portion inner tube (21)；
The jet pipe (3) connect with body portion outer tube (22).
2. dinitrogen tetroxide according to claim 1/Hydrazine propellant waste gas and liquids treatment burner, feature exist
In: the ignition coal oil burner nozzle (14) is tangential cellular type single group member rotarytype injector；The body portion inner tube (21) back segment side wall is opened
There are aperture (221).
3. dinitrogen tetroxide according to claim 1 or 2/Hydrazine propellant waste gas and liquids treatment burner, feature
Be: the uniformly distributed aperture of step mixing tube small end (151) side wall is straight hole, axially bored line and step mixing tube axis
Angle is 40 °~60 °, and hole tee section is round or rectangular.
4. dinitrogen tetroxide according to claim 1 or 2/Hydrazine propellant waste gas and liquids treatment burner, feature
It is: the N2O4Liquid waste processing module (26), N2O4Exhaust-gas treatment module (27), hydrazine exhaust-gas treatment module (28) and hydrazine
The form of nozzle of liquid waste processing module (29) is respectively direct current collision, gas-liquid coaxial DC rotarytype injector, the spray of direct projection gas
Mouth, center direct current self-impacting and outer ring direct projection gas nozzle；
N two-by-two2O4Liquid waste processing module (26), two-by-two N2O4Exhaust-gas treatment module (27), two-by-two hydrazine exhaust-gas treatment module (28)
The nozzle in hydrazine liquid waste processing module (29) is along body portion inner tube (21) radially in 180 ° of installations two-by-two.
5. dinitrogen tetroxide according to claim 4/Hydrazine propellant waste gas and liquids treatment burner, feature exist
It is sequentially arranged in: the no air duct module mounting base (23) and with air duct module mounting base (24) along airintake direction
The middle leading portion in body portion (2).
6. dinitrogen tetroxide according to claim 5/Hydrazine propellant waste gas and liquids treatment burner, feature exist
In: N2O4The channel of liquid waste processing module (26) includes N2O4Waste fluid channel and kerosene channel, N2O4One end of waste fluid channel with enter
Mouth connection, the one end in kerosene channel and kerosene inlet communication, the N2O4The other end in waste fluid channel and kerosene channel is and nozzle
Connection.
7. dinitrogen tetroxide according to claim 5/Hydrazine propellant waste gas and liquids treatment burner, feature exist
In: the front end of the head inner tube (11) and head outer tube (12) is welded to connect by head cover board (13)；Head outer tube
(12) rear end and step mixing tube big end (152) is welded to connect by auxiliary air homogenizing plate (17) and body portion；It is described
Igniter seat (25), N2O4Liquid waste processing module (26), N2O4Exhaust-gas treatment module (27) and hydrazine exhaust-gas treatment module (28) with
No air duct module mounting base (23) is connected through a screw thread；The hydrazine liquid waste processing module (29) with air duct mould
Block mounting base (24) is connected through a screw thread；Jet pipe (3) and body portion outer tube (22) flanged joint.
8. dinitrogen tetroxide according to claim 7/Hydrazine propellant waste gas and liquids treatment burner, feature exist
In: igniter seat (25) axis is 30mm~60mm at a distance from auxiliary air homogenizing plate (17).
9. dinitrogen tetroxide according to claim 8/Hydrazine propellant waste gas and liquids treatment burner, feature exist
In: the N2O4Liquid waste processing module (26), N2O4Exhaust-gas treatment module (27), hydrazine exhaust-gas treatment module (28) and hydrazine are useless
Liquid processing module (29), axis be respectively at a distance from auxiliary air homogenizing plate (17) 90mm~120mm, 150mm~
180mm, 290mm~320mm and 340mm~370mm.
10. the control method of a kind of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner, in claim 1-9
It is executed on any dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner, it is characterised in that: control process
The following steps are included:
Step 1: control enters the primary igniting air of step mixing tube small end and enters the primary igniting kerosene of head inner tube
Mixed volume ratio be 8~12；
Step 2: the amount of the primary igniting air of control and primary igniting kerosene makes both step mixing tube big ends i.e. dilution zone
Mixed gas flow velocity be 12m/s~20m/s；
Step 3: the amount of exhaust gas or waste liquid to be processed is controlled, N is made2O4Partially fuel-rich burning or the inclined oxygen combustion burning of Hydrazine propellant；
Step 4: the flow velocity of the primary igniting air of control and primary igniting kerosene premix gas is atomized kerosene sufficiently, is mixed with air
It closes uniform.
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| CN109373334B (en) * | 2018-05-31 | 2020-10-16 | 西安航天动力研究所 | Waste gas waste liquid innocent treatment's collection dress formula equipment |
| CN108954390B (en) * | 2018-07-25 | 2020-05-12 | 北京控制工程研究所 | Catalytic combustion engine and combustion method for high-viscosity ionic liquid propellant |
| CN109357256B (en) * | 2018-10-31 | 2019-10-18 | 北京动力机械研究所 | A kind of igniter for ram rocket type heater |
| CN109882885B (en) * | 2018-12-21 | 2020-09-15 | 西安航天动力研究所 | Gas generator with flow and temperature adjustable in large range |
| CN110160064B (en) * | 2019-06-17 | 2021-01-15 | 江西楚杭环保科技有限公司 | High-concentration organic industrial wastewater treatment equipment and purification treatment method thereof |
| CN111720839A (en) * | 2020-06-12 | 2020-09-29 | 山东同智创新能源科技股份有限公司 | Environment-friendly multi-stage combustion device applied to waste gas liquid incineration treatment |
| CN112523898B (en) * | 2020-11-20 | 2022-03-04 | 西安航天动力研究所 | Device and method for harmless treatment of large-flow toxic propellant oxygen-enriched gas |
| CN114718768B (en) * | 2022-04-02 | 2024-01-12 | 西安航天动力试验技术研究所 | High-temperature high-pressure high-speed high-flow density oxygen-enriched gas treatment system and method |
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| CN2359570Y (en) * | 1998-09-16 | 2000-01-19 | 冶金工业部鞍山焦化耐火材料设计研究院 | Waste liquid furnace |
| CN1159540C (en) * | 1999-12-22 | 2004-07-28 | 中国科学院山西煤炭化学研究所 | Method for removing waste gas uns-dimethylhydrazine in combustion of alcohol and its equipment |
| CN1102419C (en) * | 1999-12-22 | 2003-03-05 | 中国科学院山西煤炭化学研究所 | Method of removing high-concentration nitrogen dioxide from fuel oil and its equipment |
| US20020119412A1 (en) * | 2001-02-24 | 2002-08-29 | Loving Ronald E. | Multi-fueled multi-use combustion chamber |
| JP5053568B2 (en) * | 2006-05-02 | 2012-10-17 | 功一 小林 | Combustion apparatus and odor gas treatment method using the same |
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