CN107514644A - 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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- CN107514644A CN107514644A CN201710625069.7A CN201710625069A CN107514644A CN 107514644 A CN107514644 A CN 107514644A CN 201710625069 A CN201710625069 A CN 201710625069A CN 107514644 A CN107514644 A CN 107514644A
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- hydrazine
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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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention provides a kind of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner and control method, including providing the head of premix gas of lighting a fire, the body portion of waste gas and liquids treatment and jet pipe, 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 packet burning, different spray nozzles structure type, waste gas and waste liquid is set fully to burn, it is ensured that dinitrogen tetroxide, discharge content difference the ＜ 800ppm and 0.6ppm of Hydrazine propellant.The burner for structural strength is good, reliable ignition, combustion gas is complete, tail gas is nontoxic the advantages that, available for processing dinitrogen tetroxide/Hydrazine propellant waste gas and waste liquid.
Description
Technical field
The invention belongs to noxious material innoxious process for treating field, relates generally to dinitrogen tetroxide/Hydrazine propellant and gives up
Gas liquid waste processing, it is specifically that one kind is used for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner and control method, can
Handle waste gas and waste liquid caused by dinitrogen tetroxide/Hydrazine propellant.
Background technology
Dinitrogen tetroxide/hydrazine (such as anhydrous hydrazine, methyl hydrazine, uns-dimethylhydrazine) propellant is current China's liquid rocket hair
One of conventional 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, caused dinitrogen tetroxide/hydrazine (such as anhydrous hydrazine, methyl hydrazine, partially during research and production, experiment
Dimethylhydrazine etc.) if the waste gas and waste liquid of propellant not in time, is rationally disposed, environmental pollution can be caused, the safety belt to personnel comes tight
Weight hidden danger.
The processing method for dinitrogen tetroxide/Hydrazine propellant waste gas mainly has Physical Absorption method, chemical treatment at present
Method and biological treatment, mainly there are method of chemical treatment and burning for the processing method of dinitrogen tetroxide/Hydrazine propellant waste liquid
Method, the 5th phase in 1996《Space technology with it is civilian》The article of entitled " Rocket exhaust processing bears fruit " of publication, is disclosed
Institute of China Aerospace Science and Technology Corporation 101 is with Ecological Envionment Research Centre, Chinese Academy of Sciences using air preheater preheating catalytic reaction bed
Method realize the clearance of dinitrogen tetroxide 95%；2nd phase in 2001《Range test and management》Publish and entitled " use coal
Oil firing method processing space launching site dinitrogen tetroxide and uns-dimethylhydrazine waste gas " discloses Jiuquan Satellite Launch Center and is directed to four oxygen
Change phenodiazine and uns-dimethylhydrazine, devise two kinds of burners, dinitrogen tetroxide ＜ 800ppm, partially is realized using kerosene burning processing
Dimethylhydrazine ＜ 0.6ppm treatment effect.
Above-mentioned waste gas or the treating method and apparatus of waste liquid, dinitrogen tetroxide or Hydrazine propellant can only be individually handled,
The processing unit of waste gas and waste liquid can not share.During the use of reality, processing dinitrogen tetroxide, hydrazine is both needed to push away
Entering the waste gas of agent, while be also required to handle dinitrogen tetroxide, the waste liquid of Hydrazine propellant, a set of can be handled for there is no at present
The waste gas of dinitrogen tetroxide, Hydrazine propellant, and can processing dinitrogen tetroxide, Hydrazine propellant waste liquid device, for save
Cost, simplied system structure, improve space availability ratio and security, this invention address that propose it is a kind of be used 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 waste gas of propellant and the purpose of waste liquid.
The content of the invention
Present invention solves the technical problem that it is：There is provided it is a set of can realize 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
0.6ppm effect.
The technical solution of the present invention is to provide a kind of for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment
Burner, including the head 1 of igniting premix gas, the body portion 2 of waste gas and liquids treatment and jet pipe 3, head 1 are provided and 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, above-mentioned head inner tube 11 with outside head
The leading section of pipe 12 is connected by head cover plate 13, and the center for forming head is overall；The cavity of head inner tube 11 is igniting kerosene
Passage, air duct, one end extended tips cover plate 13 of head inner tube 11, head are formed between head inner tube 11 and head outer tube 12
The other end of portion's inner tube is provided 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；The small end side wall of step mixing tube 15 is uniform
Keyhole formation igniting air duct；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 big end 152 of rearward end and step mixing tube of head outer tube 12 leads to
Cross auxiliary air homogenizing plate 17 and body portion links together；Perforate is provided with above-mentioned auxiliary air homogenizing plate 17；
The body portion inner tube 21 in above-mentioned body portion 2 including coaxial package, body portion outer tube 22 and in body portion 2, both pass through body
Portion's inner tube 21 and multiple no air duct module mounting seats 23 of body portion outer tube 22 and multiple band air duct module mounting seats 24,
The second air duct 241 is provided with above-mentioned band air duct module mounting seat 24；
Above-mentioned body portion 2 also include detachably installed with each no air duct module mounting seat 23 respectively igniter seat 25,
N2O4Liquid waste processing module 26, N2O4Exhaust-gas treatment module 27 and hydrazine exhaust-gas treatment module 28 and pacify with band air duct module
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 given up
Entrance, passage and nozzle are respectively provided with liquid processing module 29；Above-mentioned entrance is connected with nozzle by passage, and said nozzle is located at body
In portion 2；
Above-mentioned N2O4Exhaust-gas treatment module 27 and N2O4Kerosene import is additionally provided with liquid waste processing module 26；Above-mentioned kerosene
Import connects with passage；
Air in head outer tube 12 enters the and of body portion inner tube 21 by the perforate 171,172 on auxiliary air homogenizing plate 17
Interlayer between the pipe of body portion outer tube 22；Interlayer air passes through with the second air duct 241 set in air duct module mounting seat 24
Into body portion inner tube 21；
Combustion gas in step mixing tube 15 enters body portion inner tube 21 by the perforate 173 on auxiliary air homogenizing plate 17；
Above-mentioned jet pipe is connected 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
Ensure that kerosene, air atomizing and blending are uniform, ensure 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, on the one hand avoids inner and outer pipes back segment from forming dead space, accelerates
Air flow, body portion outer wall of inner tube temperature is reduced, afterburning is on the other hand carried out, waste gas and waste liquid is fully burnt.
Preferably, the uniform aperture of 151 side walls of above-mentioned step mixing tube small end is straight hole, and axially bored line mixes with step
The angle of pipe axis is 40 °~60 °, and hole tee section is circular or square.
Preferably, above-mentioned N2O4Liquid waste processing module 26, N2O4Exhaust-gas treatment module 27, the and of hydrazine exhaust-gas treatment module 28
Hydrazine liquid waste processing module 29, its 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 shroud direct projection gas nozzle, each nozzle is in 180 ° of installations.
Preferably, above-mentioned no air duct module mounting seat 23 and with air duct module mounting seat 24 along airintake direction according to
The secondary middle leading portion installed in body portion 2.
Preferably, N2O4The passage of liquid waste processing module 26 includes N2O4Waste fluid channel and kerosene passage, N2O4Waste fluid channel
One end connected with entrance, one end of kerosene passage and kerosene inlet communication, the N2O4Waste fluid channel is another with kerosene passage
End connects with nozzle.
Preferably, above-mentioned head inner tube 11 and the leading section of head outer tube 12 are welded to connect by head cover plate 13；Head
The big end 152 of rearward end and step mixing tube of outer tube 12 is 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 with being connected through a screw thread without air duct module mounting seat 23；Above-mentioned hydrazine liquid waste processing
Module 29 with air duct module mounting seat 24 with being connected through a screw thread.Jet pipe 3 is connected with the flange of body portion outer tube 22.
Preferably, the distance of the axis of igniter seat 25 and auxiliary air homogenizing plate 17 is 30mm~60mm.
Preferably, above-mentioned N2O4Liquid waste processing module 26, N2O4Exhaust-gas treatment module 27, the and of hydrazine exhaust-gas treatment module 28
Hydrazine liquid waste processing module 29, the distance of its axis and auxiliary air homogenizing plate 17 be respectively 90mm~120mm, 150mm~
180mm, 290mm~320mm and 340mm~370mm.
The present invention also provides a kind of control method of the burner of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment,
Performed on the above-mentioned burner for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment, control process includes following
Step：
Step 1：Once light a fire air and once igniting into head inner tube of the control into step mixing tube small end
The mixing ratio of kerosene is 8~12, partially fuel-rich, it is ensured that to light a fire successfully；It disclosure satisfy that igniting requires using common spark plugs；
Step 2：The amount of once light a fire air and kerosene of once lighting a fire is controlled, makes the big end of step mixing tube i.e. dilution zone
Both mixed gas flow velocitys are 12m/s~20m/s, it is ensured that flame stabilization；
Step 3：The amount of pending waste gas or waste liquid is controlled, makes N2O4Partially fuel-rich burning or the inclined oxygen combustion combustion of Hydrazine propellant
Burn, it is ensured that waste gas and waste liquid fully reacts, and forms nontoxic tail gas；
Step 4：Once the flow velocity of igniting air and kerosene premix gas of once lighting a fire, mixed combustion section use two-stage for control
Sudden expansion designs, and reduces the flow velocity of kerosene and air, kerosene is fully atomized, be well mixed with air, ensures 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, for lighting a fire, body portion supply two-way air,
Air is used to burn with fuel-rich combustion gas or Hydrazine propellant all the way, and air is used to cool down body portion inner tube and secondary afterburning all the way.Coal
Oil two-way is supplied, and kerosene is used to light 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 burns,
Accurate control and regulation flow is easy in the branch supply of kerosene, reaches the purpose of 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 poisonous oxidant N respectively2O4With the waste gas of Hydrazine fuel
And waste liquid, there is cheap cost, easy to operate, using flexible, save the advantages of space.
(2) present invention makes poisonous oxidant N by using partition packet mixed burning method2O4Locate respectively with Hydrazine fuel
The combustion reaction under fuel-rich and oxygen-enriched environment, ensure the abundant combustion reaction of noxious material, effectively reduce the noxious material in tail gas
Residual.
(3) present invention is directed to mixing physical property different under different operating mode, using different Nozzle combination modes, ensures
Oxidant can efficient mixed combustion, effectively the noxious material residual in reduction tail gas with fuel under each operation mode.
(4) four kinds of modules of present invention processing waste gas and waste liquid are connected through a screw thread with mounting seat, are advantageous to change, convenient
Repair, be cost-effective.
(5) burner of the invention is compact-sized, and component uses stainless steel material, and welding is used between each main member,
Structural strength is good, and reliability is high, possesses the ability of repeatedly using.
Brief description of the drawings
Fig. 1 is burner schematic diagram of the present invention；
Fig. 2 is Fig. 1 A to top plan view；
Fig. 3 burner head schematic diagrames of the present invention；
Fig. 4 is profiles of the Fig. 3 along A-A；
Fig. 5 burners of the present invention are without air duct module mounting seat schematic diagram；
Fig. 6 is Fig. 5 A pseudosections to the left；
Fig. 7 burner band air duct module mounting seat schematic diagrames of the present invention；
Fig. 8 is Fig. 7 A pseudosections to the left；
Fig. 9 is the N of the present invention2O4Liquid waste processing modular structure schematic diagram；
Figure 10 is Fig. 9 A pseudosections to the left；
Figure 11 is the N of the present invention2O4Exhaust-gas treatment modular structure schematic diagram；
Figure 12 is Figure 11 A pseudosections to the left；
Figure 13 is the hydrazine exhaust-gas treatment modular structure schematic diagram of the present invention；
Figure 14 is Figure 13 A pseudosections to the left；
Figure 15 is the hydrazine liquid waste processing modular structure schematic diagram of the present invention；
Figure 16 is Figure 15 A pseudosections to the left.
Reference is in figure：1- heads, 11- heads inner tube, 12- heads outer tube, 13- heads cover plate, 14- igniting kerosene
Nozzle, 15- step mixing tubes, 151- small ends, 1511- apertures, the big ends of 152-, the air ducts of 16- first, 17- auxiliary airs
Homogenizing plate, 171,172,173- perforates；
2- bodies portion, 21- bodies portion inner tube, 22- bodies portion outer tube, 221- apertures；23- is without air duct module mounting seat, 24- bands
Air duct module mounting seat, the air ducts of 241- second, 25- igniter seats, 26-N2O4Liquid waste processing module, 27-N2O4It is useless
Gas disposal module, 28- hydrazine exhaust-gas treatment modules, 29- hydrazine liquid waste processing modules；
3- jet pipes.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description：
Embodiment one
The present invention is for there is no a set of dinitrogen tetroxide waste gas and waste liquid and can processing Hydrazine propellant waste gas that can handle to give up
The present situation of liquid device proposes a kind of burner for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment, including provides
It is located at the front end and body portion in body portion 2 for the head 1 of 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 is provided for point
The Kerosene/Air premix gas of fire, the waste gas and waste liquid of processing needed for the primary combustion of body portion 2；Head inner tube 11 and head outer tube 12 are same
Axle is installed, and welding is provided with the leading portion position of head inner tube 11 and is led directly to, is welded with the leading section of head outer tube 12 by head cover plate 13
Connect in succession, form the center entirety on head, the cavity of head inner tube 11 is igniting kerosene passage, head inner tube 11 and head outer tube
Air duct is formed between 12, the end of head inner tube 11 is provided with ignition coal oil burner nozzle 14, installed on the outside of the rear end of head inner tube 11
There is a step mixing tube 15, two-stage sudden expansion design is advantageous to stablize burning and forms torch to reduce the flow velocity of igniting premix gas,
The uniform keyhole formation igniting air duct in the leading portion side of step mixing tube 15, 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, the leading section side of head outer tube 12 is provided 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 seat 23, band air duct module mounting seat 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, is mutually welded with body portion inner and outer pipe, igniter
Seat 25 without air duct module mounting seat 23 with being connected through a screw thread, the opposite side in installation air duct, N2O4Liquid waste processing
Module 26, N2O4Exhaust-gas treatment module 27 and hydrazine exhaust-gas treatment module 28 are along airintake direction successively with pacifying without air duct module
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 seat 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
Flange connects.
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 fully atomized while improving flame holding, be well mixed with air, reducing ignition energy requirement, ensureing kerosene
Light 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,
Poisonous oxidant and fuel is respectively at combustion reaction under fuel-rich and oxygen-enriched environment, ensure the abundant combustion reaction of noxious material.
The burner of the present invention can realize that processing dinitrogen tetroxide, the waste gas of Hydrazine propellant and waste liquid share a suit
Put, and reach discharge content ＜ 800ppm of dinitrogen tetroxide, Hydrazine propellant discharge content ＜ 0.6ppm effect.
Embodiment two
Burner structure and the same embodiment of overall plan for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment
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 tangential hole of the igniting kerosene passage through ignition coal oil burner nozzle 14, and spraying into range of atomization from jet expansion 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 light a fire as the uniform straight hole in step mixing tube leading portion side, in this example, hole tee section is circle.
Embodiment three
Burner structure and the same embodiment of overall plan for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment
First, 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 seat 23, band air duct module mounting seat 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 plate 13 uses 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 seat, it is easy to change, remaining is each
Ensure the intensity of burner using being welded to connect between part.
Head 1 and body portion 2 are coaxially socketed to form by inner and outer pipes, and head inner tube 11 is fuel cavity, is between the inner and outer pipe of head
Oxidant cavity, the rear end of head inner tube 11 are equipped with step mixing tube 15, and ignition coal oil burner nozzle 14 is loaded on the end of head inner tube 11, with
Range of atomization and dilution zone, the uniform keyhole formation igniting in the leading portion side of step mixing tube 15 are sequentially formed between step mixing tube 15
Air duct, the igniting kerosene of primary atomization secondary-atomizing, blending, igniter seat 25 in the presence of air of lighting a fire 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 burnt, and generates nontoxic tail gas.
The structural strength of apparatus of the present invention is good, reliable ignition, waste gas and waste liquid is transformed into nontoxic tail gas discharge.
Example IV
The present invention also provides a kind of controlling party for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner
Method, performed on the above-mentioned burner for dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment, for four oxidations two
Nitrogen/Hydrazine propellant waste gas and liquids treatment burner with embodiment one to three,
Control process includes
Step 1：It is 8~12 to control once and (light a fire) mixing ratio of air and kerosene of once (lighting a fire), partially fuel-rich, it is ensured that
Light a fire successfully；It disclosure satisfy that igniting requires using common spark plugs.In this example, once (light a fire) air and coal of once (lighting a fire)
The mixing ratio of oil is 8.
Step 2：The amount of once (light a fire) air and kerosene of once (lighting a fire) is controlled, makes the mixed gas of both dilution zones
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 pending waste gas or waste liquid is controlled, makes N2O4Partially fuel-rich burning or the inclined oxygen combustion combustion of Hydrazine propellant
Burn, it is ensured that waste gas and waste liquid fully reacts, and forms nontoxic tail gas.
Step 4：The flow velocity of once (light a fire) air and kerosene premix gas of once (lighting a fire) is controlled, mixed combustion section uses
Two-stage sudden expansion designs, and reduces the flow velocity of kerosene and air, kerosene is fully atomized, be well mixed with air, ensures kerosene and sky
The stable burning of gas forms torch.
The technical principle that the present invention takes：During igniting, the mixing ratio of oxidant and fuel is controlled, is allowed to be in fuel-rich shape
State, it is easy to light a fire, using two-stage sudden expansion technology, reduces the flow velocity of gaseous mixture, be easy to stablize flame；During waste gas and liquids treatment, root
Different processing modules is selected according to the physical property of pending waste gas and waste liquid, when handling a certain waste gas or waste liquid, its excess-three mould
Block is closed, i.e. an only processing module job every time, processing oxidant N2O4Fuel-rich burning is used during waste gas and waste liquid
Technology, ensure oxidant N2O4Waste gas and waste liquid fully reacts, and fuel-rich combustion gas makes the kerosene in fuel-rich combustion gas with tertiary air burning again
Fully reaction, oxygen-enriched combustion technology is used when handling fuel hydrazine waste gas and waste liquid, ensures that fuel hydrazine waste gas and waste liquid fully reacts,
Form nontoxic tail gas.
Embodiment five
The same example IV of control method of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner, in this example, point
Kindling oil forms torch, N with igniting air burning2O4Waste liquid passes through N with secondary kerosene2O4Liquid waste processing module 26 enters burning
Device carries out spray burning, makes N2O4Fully reaction, auxiliary air burn with the fuel-rich combustion gas mixing that front end is formed, and make fuel-rich combustion gas
In kerosene fully react, form nontoxic tail gas；Tertiary air is after body portion tail end penetrating, holding air injection reaction hole, body
Air flow in portion's interlayer, the inwall in cooling body portion, in this example, use N2O4Liquid waste processing module 26.
Embodiment six
The control method of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner is the same as example IV to five, this example
In, igniting kerosene forms torch, N with igniting air burning2O4Waste gas passes through N with secondary kerosene2O4Exhaust-gas treatment module 27 enters
Burner carries out spray burning, makes N2O4Fully reaction, auxiliary air burn with the fuel-rich combustion gas mixing that front end is formed, made fuel-rich
Kerosene in combustion gas fully reacts, and forms nontoxic tail gas；Tertiary air sprays into from body portion tail end, keeps air injection reaction hole
Afterwards, the air flow in body portion interlayer, the inwall in cooling body portion, in this example, N is used2O4Exhaust-gas treatment module 27, other three
Module is closed.
Embodiment seven
The control method of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner is the same as example IV to six, this example
In,
Step 1：It is 8~12 to control once and (light a fire) mixing ratio of air and kerosene of once (lighting a fire), partially fuel-rich, it is ensured that
Light a fire successfully；It disclosure satisfy that igniting requires using common spark plugs.In this example, once (light a fire) air and coal of once (lighting a fire)
The mixing ratio of oil is 12.
Step 2：The amount of once (light a fire) air and kerosene of once (lighting a fire) is controlled, makes the mixed gas of both dilution zones
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 of lighting a fire forms torch with igniting air burning, and hydrazine waste gas passes through hydrazine exhaust-gas treatment module with auxiliary air
28, which enter burner, carries out spray burning, hydrazine waste gas is fully reacted, fuel-rich combustion caused by the oxygen rich fuel gas of formation and igniting
Gas burns, and the kerosene in fuel-rich combustion gas is fully reacted, forms nontoxic tail gas；Tertiary air sprays into from body portion tail end, keeps two
Air flow after secondary air jet hole, in body portion interlayer, the inwall in cooling body portion, in this example, use hydrazine exhaust-gas treatment mould
Block 28.
Embodiment eight
The control method of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner is the same as example IV to seven, this example
In,
Kerosene of lighting a fire forms torch with igniting air burning, and hydrazine waste liquid passes through hydrazine liquid waste processing module with auxiliary air
29, which enter burner, carries out spray burning, hydrazine waste liquid is fully reacted, fuel-rich combustion caused by the oxygen rich fuel gas of formation and igniting
Gas burns, and the kerosene in fuel-rich combustion gas is fully reacted, forms nontoxic tail gas；Tertiary air sprays into from body portion tail end, keeps two
Air flow after secondary air jet hole, in body portion interlayer, the inwall in cooling body portion, in this example, use hydrazine liquid waste processing mould
Block 29.
In brief, it is 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
Into 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
Sequentially form range of atomization and dilution zone between mixing tube, the uniform keyhole formation igniting air duct in step mixing tube leading portion side,
The igniting kerosene of primary atomization secondary-atomizing, blending in the presence of air of lighting a fire, 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 is burnt, and generates nontoxic tail gas.
The present invention is under fuel-rich state, using two-stage sudden expansion skill by controlling the amount of igniting air and kerosene of lighting a fire to be allowed to
Art, it is ensured that igniting is reliable, flame stabilization, using partition packet mixed burning method and different Nozzle combination modes, it is ensured that mist
Change uniform, burning completely, make poisonous oxidant N2O4Combustion reaction under fuel-rich and oxygen-enriched environment is respectively at Hydrazine fuel, is protected
The abundant combustion reaction of noxious material is demonstrate,proved, effectively reduces the noxious material residual in tail gas.
The foregoing description and accompanying drawing of present embodiment represent the preferred scheme of the present invention, and those skilled in the art can root
Various supplements are carried out in the range of being defined without departing from the claims in the present invention according to different design requirement and design parameter, are changed
Enter and change, therefore, the present invention is extensive.
Claims (10)
1. a kind of burner of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment, including the head of igniting premix gas is provided
(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 in that：
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 leading section of head outer tube (12) pass through head cover plate (13)
Connection；One end extended tips cover plate (13) of head inner tube (11), the other end of head inner tube are provided 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) in step mixing tube small end (151)；The uniform aperture of step mixing tube small end (151) side wall (1511) forms point
Fiery air duct；
Head outer tube has the first air duct (16), the rearward end of head outer tube (12) and the big end of step mixing tube (152)
Linked together by auxiliary air homogenizing plate (17) and body portion；Perforate is provided with the auxiliary air homogenizing plate (17)；
The body portion inner tube (21) of the body portion (2) including coaxial package, body portion outer tube (22) and on body portion (2), wear
Cross body portion inner tube (21) and multiple no air duct module mounting seats (23) of body portion outer tube (22) and multiple band air duct moulds
Block mounting seat (24)；The second air duct (241) is provided with the band air duct module mounting seat (24)；
The body portion (2) also includes the igniter seat detachably installed with each no air duct module mounting seat (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 seat (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 given up
Liquid processing module is respectively provided with entrance, passage and nozzle on (29)；The entrance is connected with nozzle by passage, 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 enters
Mouth connects with passage；
Air in head outer tube (12) enters body portion inner tube by the perforate (171) on auxiliary air homogenizing plate (17), (172)
(21) interlayer between body portion outer tube (22) pipe, interlayer air pass through empty with second set in air duct module mounting seat (24)
Gas passage (241) enters body portion inner tube 21；Combustion gas in step mixing tube (15) passes through on auxiliary air homogenizing plate (17)
Perforate (173) enters body portion inner tube (21)；
The jet pipe (3) is connected with body portion outer tube (22).
2. the burner of dinitrogen tetroxide according to claim 1/Hydrazine propellant waste gas and liquids treatment, its 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 is aperture (221).
3. the burner of dinitrogen tetroxide according to claim 1 or 2/Hydrazine propellant waste gas and liquids treatment, its feature
It is：The uniform 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 circular or square.
4. the burner of dinitrogen tetroxide according to claim 1 or 2/Hydrazine propellant waste gas and liquids treatment, its 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 and center direct current self-impacting and outer shroud direct projection gas nozzle, each nozzle is in 180 ° of installations.
5. the burner of dinitrogen tetroxide according to claim 4/Hydrazine propellant waste gas and liquids treatment, its feature exist
In：The no air duct module mounting seat (23) and it is sequentially arranged at air duct module mounting seat (24) along airintake direction
The middle leading portion in body portion (2).
6. the burner of dinitrogen tetroxide according to claim 5/Hydrazine propellant waste gas and liquids treatment, its feature exist
In：N2O4The passage of liquid waste processing module (26) includes N2O4Waste fluid channel and kerosene passage, N2O4One end of waste fluid channel is with entering
Mouth connection, one end and the kerosene inlet communication of kerosene passage, the N2O4The other end of waste fluid channel and kerosene passage is and nozzle
Connection.
7. the burner of dinitrogen tetroxide according to claim 5/Hydrazine propellant waste gas and liquids treatment, its feature exist
In：The head inner tube (11) and the leading section of head outer tube (12) are welded to connect by head cover plate (13)；Head outer tube
(12) rearward end and the big end of step mixing tube (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
It is connected through a screw thread without air duct module mounting seat (23)；The hydrazine liquid waste processing module (29) with air duct mould
Block mounting seat (24) is connected through a screw thread；Jet pipe (3) is connected with body portion outer tube (22) flange.
8. the burner of dinitrogen tetroxide according to claim 7/Hydrazine propellant waste gas and liquids treatment, its feature exist
In：The distance of igniter seat (25) axis and auxiliary air homogenizing plate (17) is 30mm~60mm.
9. the burner of dinitrogen tetroxide according to claim 8/Hydrazine propellant waste gas and liquids treatment, its feature exist
In：The N2O4Liquid waste processing module (26), N2O4Exhaust-gas treatment module (27), hydrazine exhaust-gas treatment module (28) and hydrazine are given up
Liquid processing module (29), the distance of its axis and auxiliary air homogenizing plate (17) be respectively 90mm~120mm, 150mm~
180mm, 290mm~320mm and 340mm~370mm.
A kind of 10. control method of the burner of dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment, in claim 1-9
Performed on the burner of any described dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment, it is characterised in that：Control process
Comprise the following steps：
Step 1：Once light a fire air and once igniting kerosene into head inner tube of the control into step mixing tube small end
Mixed volume ratio be 8~12；
Step 2：The amount of once light a fire air and kerosene of once lighting a fire is controlled, makes the big end of step mixing tube i.e. both dilution zones
Mixed gas flow velocity be 12m/s~20m/s；
Step 3：The amount of pending waste gas or waste liquid is controlled, makes N2O4Partially fuel-rich burning or the inclined oxygen combustion burning of Hydrazine propellant；
Step 4：The flow velocity of once light a fire air and kerosene premix gas of once lighting a fire is controlled, kerosene is fully atomized, is mixed with air
Close uniform.
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| CN201710625069.7A CN107514644B (en) | 2017-07-27 | 2017-07-27 | Dinitrogen tetroxide/Hydrazine propellant waste gas and liquids treatment burner and control method |
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| CN108954390A (en) * | 2018-07-25 | 2018-12-07 | 北京控制工程研究所 | Catalysis combustion engine and combustion method for high viscosity ionic liquid propellant |
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| CN112523898A (en) * | 2020-11-20 | 2021-03-19 | 西安航天动力研究所 | Device and method for harmless treatment of large-flow toxic propellant oxygen-enriched gas |
| 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 |
| CN114718768A (en) * | 2022-04-02 | 2022-07-08 | 西安航天动力试验技术研究所 | High-temperature high-pressure high-speed large-flow-density oxygen-enriched gas treatment system and method |
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