CN109013684A - A kind of heat source feedway and its method based on thermal desorption soil sanitation equipment - Google Patents
A kind of heat source feedway and its method based on thermal desorption soil sanitation equipment Download PDFInfo
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- CN109013684A CN109013684A CN201810696586.8A CN201810696586A CN109013684A CN 109013684 A CN109013684 A CN 109013684A CN 201810696586 A CN201810696586 A CN 201810696586A CN 109013684 A CN109013684 A CN 109013684A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
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Abstract
The invention discloses a kind of heat source feedways based on thermal desorption soil sanitation equipment, including main heating furnace body, condensate preheater and soil thermal desorption heating equipment；The cold conduction oil outflow end of the soil thermal desorption heating equipment is connected to connection with the cold oil oil inlet end of the condensate preheater by the first heat-conducting oil pipes；The preheating conduction oil outflow end of the condensate preheater is connected to connection with the oil inlet end of the main heating furnace body by the second heat-conducting oil pipes；The hot oil oil outlet of the main heating furnace body is connected to connection with the hot oil oil inlet end of the soil thermal desorption heating equipment by third heat-conducting oil pipes；Structure of the invention is simple, high-temperature flue gas by smoke exhaust pipe smoke evacuation outlet row to during condensing heat-exchange chamber under the drainage of drainage cone, the high-temperature tail gas of smoke evacuation outlet discharge is uniformly expanded into entire condensing heat-exchange chamber in horn-like, improves the homogeneous heating degree in its condensing heat-exchange chamber.
Description
Technical field
The invention belongs to soil sanitation fields more particularly to a kind of heat source based on thermal desorption soil sanitation equipment to supply dress
It sets and its method.
Background technique
The burning boiler of the heat source feedway of thermal desorption soil sanitation equipment often use coal as burning fuel,
It can generate and outer pollution, and ethyl alcohol, as a kind of cleaning liquid energy, product is directly water and titanium dioxide in combustion
Carbon, and ethyl alcohol belongs to renewable energy, and fuel of the ethyl alcohol as Industrial Boiler is seldom specially used in existing boiler.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention is provided with use ethanol as the one of fuel
Heat source feedway and its method of the kind based on thermal desorption soil sanitation equipment.
Technical solution: to achieve the above object, a kind of heat source supply based on thermal desorption soil sanitation equipment of the invention
Device, including main heating furnace body, condensate preheater and soil thermal desorption heating equipment；
The cold conduction oil outflow end of the soil thermal desorption heating equipment is preheated by the first heat-conducting oil pipes and the condensation
The cold oil oil inlet end of device is connected to connection；The preheating conduction oil outflow end of the condensate preheater by the second heat-conducting oil pipes with it is described
The oil inlet end of main heating furnace body is connected to connection；The hot oil oil outlet of the main heating furnace body passes through third heat-conducting oil pipes and the soil
The hot oil oil inlet end of earth thermal desorption heating equipment is connected to connection；First heat-conducting oil pipes, the second heat-conducting oil pipes or third are thermally conductive
Circulating pump is installed on oil pipe；
The main heating furnace body bottom is connected with smoke exhaust pipe, and the smoke outlet of the smoke exhaust pipe is connected to the condensation preheating
The high-temperature flue gas bending tubes end of device；The smoke evacuation mouth down of the condensate preheater is arranged, and the smoke outlet is rectified lower section and is provided with
Water receiving container.
Further, the condensate preheater is cylindrical shell structure, and the inside of the condensate preheater includes cylindric
Condensing heat-exchange chamber, the both ends of the condensing heat-exchange chamber are concentric respectively to be provided with oil suction chamber and fuel-displaced ring cavity；The condensing heat-exchange
Separated between chamber and oil suction chamber by first partition, the condensing heat-exchange chamber and the fuel-displaced ring cavity are separated by second partition；
It further include several condensing heat-exchanging pipes in the condensing heat-exchange chamber, several condensing heat-exchanging pipes are along the condensing heat-exchange chamber axis
Line circumferentially array distribution；The both ends of each condensing heat-exchanging pipe are respectively communicated with oil suction chamber and fuel-displaced ring cavity；The smoke exhaust pipe
The smoke evacuation outlet concentric connection condensing heat-exchange chamber is close to one end of second partition, and the bottom of chamber of the condensing heat-exchange chamber is close to the
One end of one partition connects smoke outlet；
The oil suction chamber is connected to the oil outlet of first heat-conducting oil pipes, and the fuel-displaced ring cavity is connected to second conduction oil
The oil inlet end of pipe.
Further, the wall coaxial heart integrated setting of each condensing heat-exchanging pipe has several heat exchange fins, described to change
Hot fin is heat-conducting metal ring plate structure；Along the axis direction of condensing heat-exchanging pipe, equally array divides each heat exchange fin
Cloth.
It further, further include drainage cone in the condensing heat-exchange chamber, the row of the drainage cone and the smoke exhaust pipe
Cigarette exports concentric setting, and the tip of the drainage cone exports side, the butt end of the drainage cone towards the smoke evacuation
It is fixedly connected with one end of support column, the other end of the support column is concentric to be fixedly connected with first partition.
Further, main heating furnace body is vertical revolving shell structure, and the inner wall of the main heating furnace body, which spirals, to be provided with
Helical heating pipe, the oil outlet of one end connection the second heat-conducting oil pipes of connection of the helical heating pipe, the helical heating pipe
The other end connection connection third heat-conducting oil pipes oil inlet end, the shell of the main heating furnace body it is intracavitary it is concentric be rotatably provided with from
Rotating flame thrower；
The main heating furnace body includes the upper outer shell and lower shell body of upper and lower integration connection, and the upper outer shell is circle
Cylindrical shell structure, the lower shell body are tip conical shell structure directed downwardly；The helical heating pipe hovers above described
Upper outer shell inner wall；The bottom of chamber level of the lower shell body is fixedly installed support disk, the contour edge of the support disk
Circumferentially array distribution has several ventholes；Each venthole is connected to the smoke exhaust pipe of lower section jointly；
The self-rotary flame thrower is tip gyroscope-like shell structure directed downwardly, the self-rotary flame thrower
Upper housing is cylindrical shell structure, and the lower case of the self-rotary flame thrower is conical shell structure；The upper casing position
In the upper outer shell inner cavity, circulation combustion chamber is formed between the upper outer shell inner wall and the upper housing outer wall；It is described
Circular cone ring cavity is formed between lower shell body conical inboard wall and the lower case conical outer wall, the outer wall bottom end of the lower case is ball
Face roof construction, the spherical surface top are contacted with the centre support of the support disk upper surface, and circular cone ring cavity upper end connects
Lead to the circulation combustion chamber, circular cone ring cavity lower end passes through several ventholes and the smoke exhaust pipe mutual conduction；It is described
Along axis, circumferentially array distribution has several flame blades to the cylinder wall surface of upper housing, and each flame blade adds with the spiral
Heat pipe is corresponding.
Further, the inner cavity of the self-rotary flame thrower is also concentric is provided with floating plate, the disk of the floating plate
If dry gas through hole is distributed in uniform hollow out, the disk central coaxial heart of the floating plate is provided through hole；On the floating plate
Side is combustion pressure chamber, and electronic ignition device is provided in combustion pressure chamber, is ethanol body cavity on the downside of the floating plate, described floating
Disk floats on the upside of the ethyl alcohol liquid level in the ethanol body cavity；The concentric fixed setting bottom in the bottom of chamber of the ethanol body cavity
Stake, the bottom stake is cylindrical shell structure, and bottom stake inner cavity is column splitter cavity, and the cylinder wall surface of the bottom stake is uniformly distributed
There are several tap holes, each tap hole is by mutual conduction between the ethanol body cavity and column splitter cavity；
It further include standpipe on the self-rotary flame thrower, the standpipe and the self-rotary flame thrower are concentric
Setting, the lower riser end are fixedly connected with the bottom stake, and the internal channel lower end conducting of the standpipe connects the column point
Chamber is flowed, the standpipe is concentric to pass through hole on the floating plate, and the upper end of the standpipe is each passed through the self-rotary
The top shell wall of the upper wall of flame thrower and main heating furnace body, wherein the tube wall of the standpipe is close by first with the top shell wall
Envelope bearing is rotatably arranged；
Nonreturn valve core and the upwards valve core reseting spring of press nonreturn valve core are additionally provided in the splitter cavity；It is described unidirectional
Under spool free state, the valve point of nonreturn valve core blocks the internal channel lower end of the standpipe upwards；
The interior also integrated setting of the combustion pressure chamber has internal ring wall, between the internal ring wall and the upper enclosure inner wall
Ring cavity is formed, is provided with several via holes on the roof of the ring cavity, each via hole is by the combustion pressure chamber and ring cavity
Between mutual conduction；The outer profile of the floating plate and the internal ring wall clearance fit；
Equidistantly longitudinal array is provided with several spit tubes, the root of each spit tube to each flame leaf on-chip all-in-one
Be connected to the ring cavity, the end of each spit tube is bocca, height where each bocca respectively with the spiral
The place height of heating tube is corresponding；And the flame direction of each bocca is cut with the counterclockwise of corresponding spit tube root
Line is in 45 ° of angles；Self-rotary flame thrower described in the recoil power drive for the flame that each bocca sprays rotates clockwise.
Further, also tapered helical spiral is provided with metal drainage band on the lower case conical outer wall, described
Metal drains band and the lower shell body inner wall clearance fit；The circular cone ring cavity is divided into cone spiral by the metal drainage band
Shape flue gas heat exchange channel；It further include hard supply pipe, the discharge end of the hard supply pipe can be rotated by the second sealing bearing
It is socketed the standpipe upper end.
Further, a method of the heat source feedway based on thermal desorption soil sanitation equipment:
Whole heat supply method and process: the high-temperature flue gas that main heating furnace body generates is arranged by the smoke evacuation outlet of smoke exhaust pipe to cold
Solidifying heat exchanging chamber, under the drainage of drainage cone, the high-temperature tail gas of smoke evacuation outlet discharge is uniformly expanded to entire in horn-like
In condensing heat-exchange chamber, the flue gas in condensing heat-exchange chamber comes into full contact with heat exchange fin, and then releases heat to heat exchange fin, and then right
The conduction oil flowed through inside condensing heat-exchanging pipe is heated；At the same time, due to being that alcohol burn generates carbon dioxide and water, because
And also containing in flue gas has a large amount of vapor, thus vapor encounters generation liquefaction generation water after the lower heat exchange fin of temperature
Drop, and then liquefaction process further releases heat to heat exchange fin, the water droplet of formation, which flows out to water receiving eventually by smoke outlet, to be held
In device, remaining flue gas accumulated in condensing heat-exchange chamber at the same time is discharged extraneous eventually by smoke outlet；
At the same time under the action of circulating pump from soil thermal desorption heating equipment flow out cooled cold conduction oil into
Enter into the oil suction chamber of condensate preheater, preheated during conduction oil flows through condensing heat-exchanging pipe, and then by preheating
Conduction oil flowed out in fuel-displaced ring cavity from condensing heat-exchanging pipe, and then the conduction oil in fuel-displaced ring cavity pass through the second heat-conducting oil pipes connect
It is continuous to imported into helical heating pipe, pass through third heat-conducting oil pipes stream after then conduction oil is quickly heated in helical heating pipe
Into in soil thermal desorption heating equipment, the conduction oil being heated provides heat for soil thermal desorption heating equipment.
The combustion process and operating method of main heating furnace body: liquid ethanol, and then liquid continuously are supplied to hard supply pipe
Ethyl alcohol continuously injects liquid ethanol into ethanol body cavity by the internal channel of standpipe, until the liquid level in ethanol body cavity reaches
Stop supply liquid ethanol where the middle part of internal ring wall when height, then simultaneously to hard supply pipe supply combustion gas and excessive combustion-supporting
The mixed gas of air, combustion gas and air in hard supply pipe is entered by the internal channel of standpipe in the splitter cavity of bottom stake,
And then the mixed gas of combustion gas and combustion air is emerged from each tap hole to the ethyl alcohol for being full of ethanol liquid in the form of bubble
In fluid chamber, and then where the mixed gas bubble floating of combustion gas and air to floating plate bottom surface at height, and by floating plate
If dry gas through hole is uniformly spilled over in combustion pressure chamber, then start the electronic lighter in combustion pressure chamber, in turn
Combustion gas occurs burning in combustion pressure chamber and produces open fire, and since the burning of combustion pressure chamber produces open fire, and then open fire is lighted
Ethanol liquid on floating plate, and then exist simultaneously ethanol combustion flame and fuel gas buring flame in combustion pressure chamber, and then fire
Pressure chamber is burnt acutely to expand because burning generates, since combustion pressure cavity space is limited, and then the intracavitary generation high-pressure fire of combustion pressure
Flame, and then the intracavitary high pressure flame of combustion pressure is continuously ejected to by the bocca of the flame pipe end on each flame blade
The flame end that bocca in circulation combustion chamber, and then on each flame blade sprays directly sprays to corresponding spiral heating
Guan Shang, and then it is quickly heated；At the same time, the recoil power drive self-rotary flame thrower itself that bocca jets out flames
It rotates clockwise；And then the flame that the bocca on each flame blade sprays is rotated together with self-rotary flame thrower,
And then the flame end that each bocca sprays continuously sweeps a whole circle helical heating pipe in a swing circle class, and then makes spiral shell
The uniform heated fast of heating tube is revolved, the heated situation of localized sustained asymmetry is reduced；The rotation of flame blade drives at the same time
Under make to form circulation in circulation combustion chamber, and then rotate make to form continuous circulation flame in circulation combustion chamber, so that circulation is burnt
Burning in chamber is more uniform acutely, and then makes being uniformly heated for helical heating pipe；With continuing in circulation combustion chamber
The accumulation of burning and flue gas, the high-temperature flue gas that combustion reaction generates continuously enter in the circular cone ring cavity below circulation combustion chamber,
Since circular cone ring cavity is divided into cone spiral smoke heat exchanger channels by metal drainage band；Thus high-temperature flue gas is along cone spiral smoke
The direction of spiraling of heat exchanger channels gradually flows at the venthole of circular cone ring cavity bottom end and eventually enters into smoke exhaust pipe discharge；In high temperature cigarette
During gas flows through cone spiral smoke heat exchanger channels, metal drainage band and lower case outer wall absorb the remaining of a large amount of high-temperature flue gas
Heat, and by the heat transfer of absorption to the liquid ethanol in ethanol body cavity, reach boiling to the liquid ethanol in ethanol body cavity
When point, a large amount of alcohol vapours are persistently generated in the liquid ethanol in ethanol body cavity, and are connected in the form of alcohol vapour bubble
It is emitted on continuous where to floating plate bottom surface at height, floating plate, which plays, at this time effectively prevent the liquid level of ethanol body cavity to generate a large amount of ethanols
The splashing in body fluid face causes liquid to overflow the case where causing danger, while the thermal-flame in the combustion pressure chamber prevented is direct
The liquid level of calcination ethanol body cavity causes gasification excessive, the uncontrollable danger of the intensity of a fire, or will cause the wave of a large amount of gasification steam
Take, and if being uniformly spilled over in combustion pressure chamber by the dry gas through hole on floating plate, the ethyl alcohol in combustion pressure chamber at this time
Vapor volume burns required fuel quantity enough, thus stops fuel gas supply at once at this time, but still maintains to supply hard
The combustion air of pipe supplies；Combustion pressure is intracavitary at this time generates the burning for there was only alcohol vapour, and then same in combustion pressure chamber
It generates high pressure flame and is continuously ejected in circulation combustion chamber from the bocca of flame pipe end, and the high-temperature flue gas generated is same
Sample continuous heating metal drains band and lower case outer wall, and then maintains the constantly boiling shape of the liquid ethanol in ethanol body cavity
State；And then form the burn cycle for there was only ethanol combustion；Liquid ethanol in above-mentioned combustion cycle process in ethanol body cavity
It is continuously consumed, in the combustion cycle process of only ethanol combustion, is connected in the combustion air for maintaining combustion air supply pipe
Liquid ethanol is supplied for hard supply pipe in periodical in the case where continuous supply, and then supplements ethanol liquid for ethanol body cavity,
And then make the liquid level that ethanol body cavity is maintained in combustion cycle process, and then maintain in entire main heating furnace body and there was only second
The burn cycle of alcohol burning.
The utility model has the advantages that structure of the invention is simple, high-temperature flue gas is arranged by the smoke evacuation outlet of smoke exhaust pipe to condensing heat-exchange chamber
During under the drainage of drainage cone, the high-temperature tail gas of smoke evacuation outlet discharge is uniformly expanded in horn-like to entire cold
In solidifying heat exchanging chamber, the flue gas in condensing heat-exchange chamber comes into full contact with heat exchange fin, and then releases heat to heat exchange fin, and then to cold
The conduction oil flowed through inside solidifying heat exchanger tube is heated；Due to being that alcohol burn generates carbon dioxide and water, thus goes back in flue gas
Containing has a large amount of vapor, thus vapor encounters generation liquefaction generation water droplet after the lower heat exchange fin of temperature, Jin Erli
The waste heat from tail gas that heat makes full use of main heating furnace body further is released to heat exchange fin with the exothermic characteristic of liquefaction process.
Detailed description of the invention
Attached drawing 1 is whole first schematic diagram of the present invention；
Attached drawing 2 is whole second schematic diagram of the present invention；
Attached drawing 3 is condensate preheater solid cut-away diagram；
Attached drawing 4 is that condensate preheater just cuts open schematic diagram；
Attached drawing 5 is the D of attached drawing 4 to cross-sectional view；
Attached drawing 6 is main heating furnace body three-dimensional cutaway view；
Attached drawing 7 is main heating furnace body positive view；
Attached drawing 8 is the outer housing solid cut-away diagram of main heating furnace body；
Attached drawing 9 is self-rotary flame thrower first structure diagram；
Attached drawing 10 is the second structural schematic diagram of self-rotary flame thrower；
Attached drawing 11 is self-rotary flame thrower bottom view；
Attached drawing 12 is self-rotary flame thrower three-dimensional cutaway view.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
A kind of heat source feedway based on thermal desorption soil sanitation equipment as shown in attached drawing 1 to 12, including main heating
Furnace body 9, condensate preheater 78 and soil thermal desorption heating equipment 77；
The cold conduction oil outflow end of the soil thermal desorption heating equipment 77 passes through the first heat-conducting oil pipes 75 and the condensation
The cold oil oil inlet end of preheater 78 is connected to connection；The preheating conduction oil outflow end of the condensate preheater 78 passes through the second conduction oil
Pipe 70 is connected to connection with the oil inlet end of the main heating furnace body 9；The hot oil oil outlet of the main heating furnace body 9 is thermally conductive by third
Oil pipe 71 is connected to connection with the hot oil oil inlet end of the soil thermal desorption heating equipment 77；First heat-conducting oil pipes 75, second
Circulating pump is installed on heat-conducting oil pipes 70 or third heat-conducting oil pipes 71；
9 bottom of main heating furnace body is connected with smoke exhaust pipe 12, and the smoke outlet connection of the smoke exhaust pipe 12 is described cold
The high-temperature flue gas bending tubes end of condensate preheater device 78；The smoke outlet 74 of the condensate preheater 78 is arranged downward, and the smoke outlet end
Water receiving container 78 is provided with immediately below 74.
The condensate preheater 78 is cylindrical shell structure, and the inside of the condensate preheater 78 includes that cylindric condensation is changed
Hot chamber 88, the both ends of the condensing heat-exchange chamber 88 are concentric respectively to be provided with oil suction chamber 83 and fuel-displaced ring cavity 79；The condensation is changed
Separated between hot chamber 88 and oil suction chamber 83 by first partition 87, the condensing heat-exchange chamber 88 and the fuel-displaced ring cavity 79 pass through the
Two partitions 109 separate；
It further include several condensing heat-exchanging pipes 81 in the condensing heat-exchange chamber 88, several condensing heat-exchanging pipes 81 are changed along the condensation
Hot 88 axis of chamber circumferentially array distribution；The both ends of each condensing heat-exchanging pipe 81 are respectively communicated with oil suction chamber 83 and fuel-displaced ring cavity
79；The concentric connection condensing heat-exchange chamber 88 in smoke evacuation outlet 91 of the smoke exhaust pipe 12 is close to one end of second partition 109, institute
The bottom of chamber for stating condensing heat-exchange chamber 88 connects smoke outlet 74 close to one end of first partition 87；
The oil suction chamber 83 is connected to the oil outlet of first heat-conducting oil pipes 75, and the fuel-displaced ring cavity 79 is connected to described second
The oil inlet end of heat-conducting oil pipes 70.
The wall coaxial heart integrated setting of each condensing heat-exchanging pipe 81 has several heat exchange fins 82, the heat exchange fin
82 be heat-conducting metal ring plate structure；Along the axis direction of condensing heat-exchanging pipe 81, equally array divides each heat exchange fin 82
Cloth.
It further include drainage cone 80 in the condensing heat-exchange chamber 88, the smoke evacuation of the drainage cone 80 and the smoke exhaust pipe 12
91 concentric settings are exported, and the tip of the drainage cone 80 exports 91 sides, the drainage cone 80 towards the smoke evacuation
Butt end be fixedly connected with one end of support column 89, the other end of the support column 89 is concentric to be fixedly connected with first partition 87.
Main heating furnace body 9 is vertical revolving shell structure, and the inner wall of the main heating furnace body 9, which spirals, is provided with spiral heating
Pipe 22, the oil outlet of one end connection the second heat-conducting oil pipes 70 of connection of the helical heating pipe 22, the helical heating pipe 22
The oil inlet end of other end connection connection third heat-conducting oil pipes 71, the intracavitary concentric rotatable setting of the shell of the main heating furnace body 9
There is self-rotary flame thrower 24；
The main heating furnace body 9 includes the upper outer shell 9.1 and lower shell body 9.2 of integration connection up and down, described outer
Shell 9.1 is Cylindrical housing structure, and the lower shell body 9.2 is tip conical shell structure directed downwardly；The spiral adds
Heat pipe 22 hovers above 9.1 inner wall of upper outer shell；The bottom of chamber level of the lower shell body 9.2 is fixedly installed support disk
21, circumferentially array distribution has several ventholes 19 to the contour edge of the support disk 21；Each venthole 19 connects jointly
The smoke exhaust pipe 12 of logical lower section；
The self-rotary flame thrower 24 is tip gyroscope-like shell structure directed downwardly, the self-rotary flame thrower
24 upper housing 24.1 is cylindrical shell structure, and the lower case 24.2 of the self-rotary flame thrower 24 is cone shell knot
Structure；The upper housing 24.1 is located in 9.1 inner cavity of upper outer shell, 9.1 inner wall of upper outer shell and the upper housing
Circulation combustion chamber 41 is formed between 24.1 outer walls；9.2 conical inboard wall of lower shell body and 24.2 conical outer wall of lower case
Between form circular cone ring cavity 25, the outer wall bottom end of the lower case 24.2 is 57 structure of spherical surface top, the spherical surface top 57 with it is described
The centre of 21 upper surface of disk is supported to support contact, 25 upper end of circular cone ring cavity is connected to the circulation combustion chamber 41, institute
It states 25 lower end of circular cone ring cavity and passes through several ventholes 19 and 12 mutual conduction of smoke exhaust pipe；The circle of the upper housing 24.1
Along axis, circumferentially array distribution has several flame blades 35, each flame blade 35 and the helical heating pipe 22 in post jamb face
It is corresponding.
The inner cavity of the self-rotary flame thrower 24 is also concentric to be provided with floating plate 27, and the disk of the floating plate 27 is uniform
If dry gas through hole 44 is distributed in hollow out, the disk central coaxial heart of the floating plate 27 is provided through hole 43；The floating plate
27 upsides are combustion pressure chamber 29, and electronic ignition device is provided in combustion pressure chamber 29, are ethanol on the downside of the floating plate 27
Body cavity 26, the floating plate 27 float on the upside of the ethyl alcohol liquid level in the ethanol body cavity 26；The chamber of the ethanol body cavity 26
The concentric fixed setting bottom stake 50 in bottom, the bottom stake 50 is cylindrical shell structure, and 50 inner cavities of the bottom stake are column splitter cavity 53,
The cylinder wall surface of bottom stake 50 is evenly distributed with several tap holes 49, each tap hole 49 by the ethanol body cavity 26 with
Mutual conduction between column splitter cavity 53；
It further include standpipe 30 on the self-rotary flame thrower 24, the standpipe 30 and the self-rotary flame thrower
24 concentric settings, 30 lower end of standpipe is fixedly connected with the bottom stake 50, and 56 lower end of internal channel of the standpipe 30 is led
Lead to and connect the column splitter cavity 53, the standpipe 30 is concentric to pass through hole 43, and the standpipe on the floating plate 27
30 upper end is each passed through the upper wall of the self-rotary flame thrower 24 and the top shell wall 15 of main heating furnace body 9, wherein described
The tube wall of standpipe 30 and the top shell wall 15 are rotatably arranged by the first sealing bearing 23；
Nonreturn valve core 55 and the upwards valve core reseting spring 54 of press nonreturn valve core 55 are additionally provided in the splitter cavity 53；
Under 55 free state of nonreturn valve core, the valve point of nonreturn valve core 55 blocks 56 lower end of internal channel of the standpipe 30 upwards；
The interior also integrated setting of the combustion pressure chamber 29 has internal ring wall 46, the internal ring wall 46 and the upper housing
Ring cavity 45 is formed between 24.1 inner walls, is provided with several via holes 48, each via hole 48 on the roof 47 of the ring cavity 45
By mutual conduction between the combustion pressure chamber 29 and ring cavity 45；The outer profile of the floating plate 27 is matched with 46 gap of internal ring wall
It closes；
The equidistant longitudinal array of integration is provided with several spit tubes 33, each spit tube 33 on each flame blade 35
Root be connected to the ring cavity 45, the end of each spit tube 33 is bocca 33.1, where each bocca 33.1
Height is corresponding with the place of the helical heating pipe 22 height respectively；And flame direction 32 and the institute of each bocca 33.1
The tangent line counterclockwise 31 of corresponding 33 root of spit tube is in 45 ° of angles, and circle corresponding to the tangent line counterclockwise 31 of the present embodiment is
The outer wall circle contour line of upper housing 24.1；Self-rotary flame described in the recoil power drive for the flame that each bocca 33.1 sprays
Injector 24 rotates clockwise.
Also tapered helical spiral is provided with metal drainage band 37, the metal on 24.2 conical outer wall of lower case
Drain band 37 and the 9.2 inner wall clearance fit of lower shell body；The circular cone ring cavity 25 is divided by the metal drainage band 37
Bore spiral smoke heat exchanger channels；It further include hard supply pipe 1, the discharge end of the hard supply pipe passes through the second sealing bearing
38 are rotatably socketed 30 upper end of standpipe.
The method, process and technological progress of this programme arrange as follows:
Whole heat supply method and process: the high-temperature flue gas that main heating furnace body 9 generates exports 91 by the smoke evacuation of smoke exhaust pipe 12
It arranges to condensing heat-exchange chamber 88, under the drainage for draining cone 80, the high-temperature tail gas of 91 discharge of smoke evacuation outlet is in horn-like equal
Even to expand into entire condensing heat-exchange chamber 88, the flue gas in condensing heat-exchange chamber 88 comes into full contact with heat exchange fin 82, and then to heat exchange
Fin 82 releases heat, and then heats to the conduction oil flowed through inside condensing heat-exchanging pipe 81；At the same time, due to being alcohol
Burning generates carbon dioxide and water, thus also contains in flue gas and have a large amount of vapor, thus to encounter temperature lower for vapor
Liquefaction occurs after heat exchange fin 82 and generates water droplet, and then liquefaction process further releases heat, the water of formation to heat exchange fin 82
Drop flows out in water receiving container 78 eventually by smoke outlet 74, remaining flue gas accumulated in condensing heat-exchange chamber 88 at the same time is final
The external world is discharged by smoke outlet 74；
The cooled cold conduction oil flowed out under the action of circulating pump from soil thermal desorption heating equipment 77 at the same time
It enters in the oil suction chamber 83 of condensate preheater 78, is preheated during conduction oil flows through condensing heat-exchanging pipe 81, in turn
Conduction oil by preheating flows out in fuel-displaced ring cavity 79 from condensing heat-exchanging pipe 81, and then the conduction oil in fuel-displaced ring cavity 79 passes through
Second heat-conducting oil pipes 70 are continuously introduced into helical heating pipe 22, and then conduction oil is quickly heated in helical heating pipe 22
It is flowed into soil thermal desorption heating equipment 77 by third heat-conducting oil pipes 71 afterwards, the conduction oil being heated is soil thermal desorption heat
Equipment 77 provides heat.
The combustion process and operating method of main heating furnace body 9: liquid ethanol, and then liquid continuously are supplied to hard supply pipe 1
Body ethyl alcohol continuously injects liquid ethanol into ethanol body cavity 26 by the internal channel 56 of standpipe 30, until in ethanol body cavity 26
Liquid level reach internal ring wall 46 middle part where height when stop supply liquid ethanol, then simultaneously to hard supply pipe 1 supply
Combustion gas and excessive combustion air, the mixed gas of combustion gas and air in hard supply pipe 1 by the internal channel 56 of standpipe 30 into
Enter in the splitter cavity 53 of stake on earth 50, so the mixed gas of combustion gas and combustion air in the form of bubble from each tap hole 49
It emerges into the ethanol body cavity 26 full of ethanol liquid, and then the mixed gas bubble floating of combustion gas and air is to 27 bottom of floating plate
Height is located where face, and if the dry gas through hole 44 that passes through on floating plate 27 be uniformly spilled over in combustion pressure chamber 29, then open
Electronic lighter in dynamic combustion pressure chamber 29, and then combustion gas occurs burning in combustion pressure chamber 29 and produces open fire, due to
The burning of combustion pressure chamber 29 produces open fire, and then open fire has lighted the ethanol liquid on floating plate 27, and then combustion pressure chamber 29
In exist simultaneously ethanol combustion flame and fuel gas buring flame, and then combustion pressure chamber 29 generates acutely expansion because of burning, due to
29 space of combustion pressure chamber is limited, and then high pressure flame is generated in combustion pressure chamber 29, and then the high pressure in combustion pressure chamber 29
Flame is continuously ejected in circulation combustion chamber 41 by the bocca 33.1 of 33 end of spit tube on each flame blade 35, into
And the flame end that the bocca 33.1 on each flame blade 35 sprays directly sprays on corresponding helical heating pipe 22, into
And it is quickly heated；At the same time, the recoil power drive self-rotary flame thrower 24 itself that bocca 33.1 jets out flames
It rotates clockwise；And then the flame that the bocca 33.1 on each flame blade 35 sprays is with self-rotary flame thrower 24 1
With rotation, and then the flame end that each bocca 33.1 sprays continuously sweeps a whole circle spiral heating in a swing circle class
Pipe 22, and then make the uniform heated fast of helical heating pipe 22, reduce the heated situation of localized sustained asymmetry；Flame at the same time
The rotation of blade 35 makes to form circulation in circulation combustion chamber 41 under driving, and then rotating keeps formation in circulation combustion chamber 41 continuous
It is more uniform acutely to make the burning in circulation combustion chamber 41, and then makes being uniformly heated for helical heating pipe 22 for circulation flame；
With the accumulation of sustained combustion and flue gas in circulation combustion chamber 41, the high-temperature flue gas that combustion reaction generates continuously enters circulation
In the circular cone ring cavity 25 of 41 lower section of combustion chamber, since circular cone ring cavity 25 is divided into cone spiral smoke heat exchange by metal drainage band 37
Channel；Thus high-temperature flue gas gradually flows to the smoke of 25 bottom end of circular cone ring cavity along the direction of spiraling of cone spiral smoke heat exchanger channels
At hole 19 and eventually enter into the discharge of smoke exhaust pipe 12；During high-temperature flue gas flows through cone spiral smoke heat exchanger channels, metal
Drainage band 37 and 24.2 outer wall of lower case absorb the waste heat of a large amount of high-temperature flue gas, and give the heat transfer of absorption to ethanol body cavity
Liquid ethanol in 26, the liquid ethanol when liquid ethanol in ethanol body cavity 26 reaches boiling point, in ethanol body cavity 26
Inside persistently generate a large amount of alcohol vapours, and it is continuous in the form of alcohol vapour bubble on emit height where to 27 bottom surface of floating plate
Place, floating plate 27 plays the splashing for effectivelying prevent the liquid level of ethanol body cavity 26 to generate a large amount of ethanol liquid liquid levels at this time, causes liquid
The case where body spilling is caused danger, while the direct calcination ethanol body cavity 26 of thermal-flame in the combustion pressure chamber 29 prevented
Liquid level causes gasification excessive, the uncontrollable danger of the intensity of a fire, or will cause the waste of a large amount of gasification steam, and pass through floating plate 27
If dry gas through hole 44 on is uniformly spilled over in combustion pressure chamber 29, and the alcohol vapor amount in combustion pressure chamber 29 has been at this time
Burnt required fuel quantity enough, thus stops fuel gas supply at once at this time, but still is maintained to the combustion-supporting of hard supply pipe 1
Air supply；The burning for there was only alcohol vapour is generated in combustion pressure chamber 29 at this time, and then is equally generated in combustion pressure chamber 29
High pressure flame is simultaneously continuously ejected in circulation combustion chamber 41 from the bocca 33.1 of 33 end of spit tube, and the high temperature cigarette generated
The same continuous heating metal drainage band 37 of gas and 24.2 outer wall of lower case, and then maintain the liquid ethanol in ethanol body cavity 26
Constantly boiling state；And then form the burn cycle for there was only ethanol combustion；The ethanol body cavity in above-mentioned combustion cycle process
Liquid ethanol in 26 is continuously consumed, and in the combustion cycle process of only ethanol combustion, is maintaining combustion air supply
The combustion air of pipe 6 continuously supply in the case where in periodically be hard supply pipe 1 supply liquid ethanol, and then be ethanol liquid
Chamber 26 supplements ethanol liquid, and then makes the liquid level that ethanol body cavity 26 is maintained in combustion cycle process, and then maintain whole
There was only the burn cycle of ethanol combustion in a main heating furnace body 9.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of heat source feedway based on thermal desorption soil sanitation equipment, it is characterised in that: including main heating furnace body (9),
Condensate preheater (78) and soil thermal desorption heating equipment (77)；
The cold conduction oil outflow end of the soil thermal desorption heating equipment (77) passes through the first heat-conducting oil pipes (75) and the condensation
The cold oil oil inlet end of preheater (78) is connected to connection；The preheating conduction oil outflow end of the condensate preheater (78) is led by second
Hot oil pipe (70) is connected to connection with the oil inlet end of the main heating furnace body (9)；The hot oil oil outlet of the main heating furnace body (9) is logical
It crosses third heat-conducting oil pipes (71) and is connected to connection with the hot oil oil inlet end of the soil thermal desorption heating equipment (77)；Described first leads
Circulating pump is installed on hot oil pipe (75), the second heat-conducting oil pipes (70) or third heat-conducting oil pipes (71)；
Main heating furnace body (9) bottom is connected with smoke exhaust pipe (12), described in the smoke outlet connection of the smoke exhaust pipe (12)
The high-temperature flue gas bending tubes end of condensate preheater (78)；The smoke outlet (74) of the condensate preheater (78) is arranged downward, and described
Water receiving container (78) are provided with immediately below smoke outlet end (74).
2. a kind of heat source feedway based on thermal desorption soil sanitation equipment according to claim 1, it is characterised in that:
The condensate preheater (78) is cylindrical shell structure, and the inside of the condensate preheater (78) includes cylindric condensing heat-exchange chamber
(88), the both ends of the condensing heat-exchange chamber (88) are concentric respectively is provided with oil suction chamber (83) and fuel-displaced ring cavity (79)；It is described cold
By first partition (87) separation between solidifying heat exchanging chamber (88) and oil suction chamber (83), the condensing heat-exchange chamber (88) with it is described fuel-displaced
Ring cavity (79) is separated by second partition (109)；
It further include several condensing heat-exchanging pipes (81) in the condensing heat-exchange chamber (88), several condensing heat-exchanging pipes (81) are along the condensation
Heat exchanging chamber (88) axis circumferentially array distribution；The both ends of each condensing heat-exchanging pipe (81) are respectively communicated with oil suction chamber (83) and go out
Oil ring chamber (79)；Smoke evacuation outlet (91) described condensing heat-exchange chamber (88) of concentric connection of the smoke exhaust pipe (12) close to second every
The bottom of chamber of one end of plate (109), the condensing heat-exchange chamber (88) connects smoke outlet (74) close to one end of first partition (87)；
The oil suction chamber (83) is connected to the oil outlet of first heat-conducting oil pipes (75), fuel-displaced ring cavity (79) connection described the
The oil inlet end of two heat-conducting oil pipes (70).
3. a kind of heat source feedway based on thermal desorption soil sanitation equipment according to claim 2, it is characterised in that:
The wall coaxial heart integrated setting of each condensing heat-exchanging pipe (81) has several heat exchange fins (82), the heat exchange fin (82)
For heat-conducting metal ring plate structure；Along the axis direction of condensing heat-exchanging pipe (81), equally array divides each heat exchange fin (82)
Cloth.
4. a kind of heat source feedway based on thermal desorption soil sanitation equipment according to claim 2, it is characterised in that:
It further include drainage cone (80) in the condensing heat-exchange chamber (88), the smoke evacuation of drainage cone (80) and the smoke exhaust pipe (12)
(91) concentric setting is exported, and the tip of drainage cone (80) exports (91) side, the drainage towards the smoke evacuation
The butt end of cone (80) is fixedly connected with one end of support column (89), and the other end of the support column (89) is concentric to be fixedly connected with
One partition (87).
5. a kind of heat source feedway based on thermal desorption soil sanitation equipment according to claim 2, it is characterised in that:
Main heating furnace body (9) is vertical revolving shell structure, and the inner wall of the main heating furnace body (9), which spirals, is provided with helical heating pipe
(22), the oil outlet of one end connection connection the second heat-conducting oil pipes (70) of the helical heating pipe (22), the helical heating pipe
(22) oil inlet end of other end connection connection third heat-conducting oil pipes (71), the shell of the main heating furnace body (9) are intracavitary concentric
Rotatably it is provided with self-rotary flame thrower (24)；
The main heating furnace body (9) includes the upper outer shell (9.1) and lower shell body (9.2) of upper and lower integration connection, it is described on
Outer housing (9.1) is Cylindrical housing structure, and the lower shell body (9.2) is tip conical shell structure directed downwardly；It is described
Helical heating pipe (22) hovers above the upper outer shell (9.1) inner wall；The bottom of chamber level of the lower shell body (9.2) is fixedly installed
Have support disk (21), circumferentially array distribution there are several ventholes (19) to the contour edge of support disk (21)；Each institute
State the smoke exhaust pipe (12) that venthole (19) is connected to lower section jointly；
The self-rotary flame thrower (24) is tip gyroscope-like shell structure directed downwardly, the self-rotary flame thrower
(24) upper housing (24.1) is cylindrical shell structure, and the lower case (24.2) of the self-rotary flame thrower (24) is circular cone
Shell structure；The upper housing (24.1) is located in the upper outer shell (9.1) inner cavity, upper outer shell (9.1) inner wall with
Circulation combustion chamber (41) are formed between upper housing (24.1) outer wall；Lower shell body (9.2) conical inboard wall and it is described under
Circular cone ring cavity (25) are formed between shell (24.2) conical outer wall, the outer wall bottom end of the lower case (24.2) is spherical surface top (57)
Structure, the spherical surface top (57) contact with the centre support of described support disk (21) upper surface, the circular cone ring cavity
(25) upper end is connected to the circulation combustion chamber (41), and circular cone ring cavity (25) lower end passes through several ventholes (19) and institute
State smoke exhaust pipe (12) mutual conduction；Along axis, circumferentially array distribution has several flames to the cylinder wall surface of the upper housing (24.1)
Blade (35), each flame blade (35) are corresponding with the helical heating pipe (22).
6. a kind of heat source feedway based on thermal desorption soil sanitation equipment according to claim 5, it is characterised in that:
The inner cavity of the self-rotary flame thrower (24) is also concentric to be provided with floating plate (27), and the disk of the floating plate (27) is uniformly engraved
If space division is furnished with dry gas through hole (44), the disk central coaxial heart of the floating plate (27) is provided through hole (43)；It is described
It is combustion pressure chamber (29) to be provided with electronic ignition device, the floating plate (27) in combustion pressure chamber (29) on the upside of floating plate (27)
Downside is ethanol body cavity (26), and the floating plate (27) floats on the upside of the ethyl alcohol liquid level in the ethanol body cavity (26)；Institute
The concentric fixed setting bottom stake (50) in bottom of chamber of ethanol body cavity (26) is stated, the bottom stake (50) is cylindrical shell structure, described
Bottom stake (50) inner cavity is column splitter cavity (53), and the cylinder wall surface of the bottom stake (50) is evenly distributed with several tap holes (49),
Each tap hole (49) is by mutual conduction between the ethanol body cavity (26) and column splitter cavity (53)；
It further include standpipe (30) on the self-rotary flame thrower (24), the standpipe (30) and the self-rotary flame spray
Device (24) concentric setting, standpipe (30) lower end are fixedly connected with the bottom stake (50), and the standpipe (30) is interior logical
The conducting of road (56) lower end connects the column splitter cavity (53), concentric the wearing on the floating plate (27) of the standpipe (30)
Via hole (43), and the upper end of the standpipe (30) is each passed through the upper wall and main heating furnace of the self-rotary flame thrower (24)
The top shell wall (15) of body (9), wherein the tube wall of the standpipe (30) and the top shell wall (15) pass through the first sealing bearing (23)
Rotatably setting；
Nonreturn valve core (55) and the upwards valve core reseting spring of press nonreturn valve core (55) are additionally provided in the splitter cavity (53)
(54)；Under nonreturn valve core (55) free state, the valve point of nonreturn valve core (55) blocks the interior logical of the standpipe (30) upwards
Road (56) lower end；
The interior also integrated setting of the combustion pressure chamber (29) has internal ring wall (46), the internal ring wall (46) and the upper housing
(24.1) ring cavity (45) are formed between inner wall, is provided with several via holes (48) on the roof (47) of the ring cavity (45), each institute
Via hole (48) is stated by mutual conduction between the combustion pressure chamber (29) and ring cavity (45)；The outer profile of the floating plate (27) with
Internal ring wall (46) clearance fit；
The equidistant longitudinal array of integration is provided with several spit tubes (33) on each flame blade (35), each spit tube
(33) root is connected to the ring cavity (45), and the end of each spit tube (33) is bocca (33.1), each flame
Height is corresponding with the place of the helical heating pipe (22) height respectively where mouth (33.1)；And each bocca (33.1)
Flame direction (32) and the tangent line counterclockwise (31) of corresponding spit tube (33) root be in 45 ° of angles；Each bocca
(33.1) self-rotary flame thrower (24) described in the recoil power drive of the flame sprayed rotates clockwise.
7. a kind of heat source feedway based on thermal desorption soil sanitation equipment according to claim 6, it is characterised in that:
Also tapered helical spiral is provided with metal drainage band (37), the metal drainage on lower case (24.2) conical outer wall
Band (37) and the lower shell body (9.2) inner wall clearance fit；The metal drainage band (37) divides the circular cone ring cavity (25)
It is cut into cone spiral smoke heat exchanger channels；It further include hard supply pipe (1), the discharge end of the hard supply pipe is close by second
Envelope bearing (38) is rotatably socketed the standpipe (30) upper end.
8. a kind of method of the heat source feedway based on thermal desorption soil sanitation equipment, it is characterised in that:
Whole heat supply method and process: the high-temperature flue gas that main heating furnace body (9) generates is exported by the smoke evacuation of smoke exhaust pipe (12)
(91) it arranges to condensing heat-exchange chamber (88), under the drainage of drainage cone (80), the high-temperature tail gas of smoke evacuation outlet (91) discharge
It is uniformly expanded into entire condensing heat-exchange chamber (88) in horn-like, the flue gas in condensing heat-exchange chamber (88) comes into full contact with heat exchange fin
(82), heat and then to heat exchange fin (82) is released, and then the conduction oil flowed through inside condensing heat-exchanging pipe (81) is heated；
At the same time, alcohol burn generates carbon dioxide and water due to being, thus also contains in flue gas and have a large amount of vapor, thus water
Steam encounters the lower heat exchange fin of temperature (82) and liquefaction generation water droplet occurs afterwards, and then liquefaction process is further to heat exchange fin
(82) heat is released, the water droplet of formation flows out in water receiving container (78) eventually by smoke outlet (74), and condensation is changed at the same time
Remaining flue gas accumulated in hot chamber (88) is discharged extraneous eventually by smoke outlet (74)；
At the same time under the action of circulating pump from soil thermal desorption heating equipment (77) flow out cooled cold conduction oil into
Enter into the oil suction chamber (83) of condensate preheater (78), preheated during conduction oil flows through condensing heat-exchanging pipe (81),
And then the conduction oil by preheating flows out in fuel-displaced ring cavity (79) from condensing heat-exchanging pipe (81), and then in fuel-displaced ring cavity (79)
Conduction oil is continuously introduced into helical heating pipe (22) by the second heat-conducting oil pipes (70), and then conduction oil is in helical heating pipe
(22) it is flowed into soil thermal desorption heating equipment (77), is heated by third heat-conducting oil pipes (71) after quickly being heated in
Conduction oil is that soil thermal desorption heating equipment (77) provides heat.
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| CN110548759A (en) * | 2019-08-30 | 2019-12-10 | 湖南恒凯环保科技投资有限公司 | rotary thermal desorption kiln, device and process for thermal desorption of organic contaminated soil |
| CN112238134A (en) * | 2020-09-23 | 2021-01-19 | 刘俊燕 | Soil remediation thermal desorption barrel |
| CN114289486A (en) * | 2021-12-23 | 2022-04-08 | 广东筑奥生态环境股份有限公司 | Modern ecological gardens soil remediation is with high-efficient thermal desorption processing apparatus |
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