CN108050509A - A kind of combustion furnace and its method based on liquid ethanol-natural gas composite fuel - Google Patents

A kind of combustion furnace and its method based on liquid ethanol-natural gas composite fuel Download PDF

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Publication number
CN108050509A
CN108050509A CN201711237601.4A CN201711237601A CN108050509A CN 108050509 A CN108050509 A CN 108050509A CN 201711237601 A CN201711237601 A CN 201711237601A CN 108050509 A CN108050509 A CN 108050509A
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CN
China
Prior art keywords
ethyl alcohol
pipe
ethanol
combustion
composite fuel
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CN201711237601.4A
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Chinese (zh)
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CN108050509B (en
Inventor
崔秀萍
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崔秀萍
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Priority to CN201711237601.4A priority Critical patent/CN108050509B/en
Publication of CN108050509A publication Critical patent/CN108050509A/en
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Publication of CN108050509B publication Critical patent/CN108050509B/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C1/00Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in a carrier gas or air
    • F23C1/08Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in a carrier gas or air liquid and gaseous fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C3/00Combustion apparatus characterised by the shape of the combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C5/00Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
    • F23C5/08Disposition of burners
    • F23C5/32Disposition of burners to obtain rotating flames, i.e. flames moving helically or spirally
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00Combustion apparatus characterised by arrangements for air supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00Feeding or distributing other fuel to combustion apparatus
    • F23K5/002Gaseous fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00Feeding or distributing other fuel to combustion apparatus
    • F23K5/02Liquid fuel
    • F23K5/14Details thereof
    • F23K5/22Vaporising devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00Heating of air supplied for combustion
    • F23L15/04Arrangements of recuperators
    • F23L15/045Arrangements of recuperators using intermediate heat-transfer fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H7/00Storage heaters, i.e. heaters in which energy is stored as heat in masses for subsequent release
    • F24H7/02Storage heaters, i.e. heaters in which energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid, e.g. air, water
    • F24H7/025Storage heaters, i.e. heaters in which energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid, e.g. air, water with fluid fuel
    • F24H7/0266Storage heaters, i.e. heaters in which energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid, e.g. air, water with fluid fuel the transfer fluid being a liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates, burners, or heating elements
    • F24H9/1809Arrangement or mounting of grates, burners, or heating elements for water heaters
    • F24H9/1836Arrangement or mounting of grates, burners, or heating elements for water heaters fluid combustible heating means
    • Y02E20/348

Abstract

The invention discloses a kind of combustion furnaces based on liquid ethanol natural gas composite fuel, and including the furnace body that burns, the burning furnace body includes composite fuel combustion chamber, and the composite fuel combustion chamber is taper end conical round table structure directed downwardly;Composite fuel combustion chamber lower end is concentric to be provided with flame jet, and the flame direction of flame jet is vertically upward;Composite fuel combustion chamber upper end is smoke evacuation wall, and several smoke outlets are provided on the smoke evacuation wall;The structure of the present invention is simple, using taper truncated cone-shaped combustion chamber, ethyl alcohol gasification cone is coordinated to guide common natural gas injection flame into heating tube advance that is horn-like, and being attached at cone-type spiral distribution, is that flame heating surface (area) (HS becomes larger.

Description

A kind of combustion furnace and its method based on liquid ethanol-natural gas composite fuel

Technical field

The invention belongs to field of furnaces more particularly to a kind of combustion furnaces based on liquid ethanol-natural gas composite fuel And its method.

Background technology

Heat conducting oil boiler carries out liquid phase circulation using conduction oil as medium, using hot-oil circulation oil pump forced medium, by thermal energy It is conveyed to after heating equipment and returns again to heating furnace and reheat, thermal energy is conveyed to and returns again to heating furnace after heating equipment and adds again Heat has and high operating temperature is obtained under low pressure, and medium can be run and carry out high-accuracy control work;It is existing It is mainly to spray to combustion chamber after simple combustion air and combustion gas mixing in the combustion chamber of heat conducting oil boiler, due to normal injection Flame is unable to being heated to the heating tube in existing regular cylindrical combustion chamber for substantially uniformity, heat is caused to make full use of, simultaneously Also have the phenomenon that Some gases are not fully utilized, are discharged with flue gas, cause energy waste;

Existing general of combustion furnace is using pure gas fuel simultaneously, however ethyl alcohol is a kind of liquid renewable energy Source, under the pressure of liquid character, existing combustion furnace chamber structure can not adapt to liquid ethanol fuel.

The content of the invention

Goal of the invention:In order to overcome the deficiencies in the prior art, the present invention provides a kind of based on liquid ethanol-natural The combustion furnace of gas composite fuel can improve liquid ethanol calory burning utilization rate.

Technical solution:To achieve the above object, a kind of burning based on liquid ethanol-natural gas composite fuel of the invention Stove, including the furnace body that burns, the burning furnace body includes composite fuel combustion chamber, and the composite fuel combustion chamber is taper end Conical round table structure directed downwardly;Composite fuel combustion chamber lower end is concentric to be provided with flame jet, the spray of flame jet Fiery direction is vertically upward;Composite fuel combustion chamber upper end is smoke evacuation wall, and several smoke outlets are provided on the smoke evacuation wall;

Ethyl alcohol gasification cone is further included in the composite fuel combustion chamber;The ethyl alcohol gasification cone outer wall is in tip circle directed downwardly Wimble structure;The ethyl alcohol gasification cone and the concentric setting in composite fuel combustion chamber, and the epiconus of ethyl alcohol gasification cone Is held to be set with the flame jet spacing;The circular cone bottom surface of the ethyl alcohol gasification cone is located at composite fuel combustion chamber axial direction The middle part in direction;The ethyl alcohol gasification cone is connected at least through a supporting rod and composite fuel Inner Wall of Combustion Chamber support;

Deep fat heating tube, the tapered coiled coil shape patch of deep fat heating tube are further included in the composite fuel combustion chamber Invest the conical inboard wall of the composite fuel combustion chamber.

Further, the inside of the ethyl alcohol gasification cone further includes conical ethyl alcohol gasification chamber;In the ethyl alcohol gasification chamber Concentric gasify in the ethyl alcohol bores inside, and the ethyl alcohol gasification chamber lower end is tip;The circular cone bottom surface of the ethyl alcohol gasification chamber Locate it is concentric be provided with disk of igniting, described ignite forms annular flame between disk outer profile and ethyl alcohol gasification chamber upper end profile Passage, the waist inner wall of the ethyl alcohol gasification chamber are provided with the horizontal water conservancy diversion land of a circle, the water conservancy diversion land and the circle of igniting Alcohol vapour adapter cavity is formed between disk;

Further include ethanol liquid ingress pipe;The ethanol liquid ingress pipe and the composite fuel combustion chamber axis coaxle heart It sets, the ethanol liquid ingress pipe is extended downwardly into from the flame jet contralateral side in the composite fuel combustion chamber, described Check valve is additionally provided in ethanol liquid ingress pipe, check valve lower end is outlet end, and the ethanol liquid ingress pipe stretches into group The end in fuel combustion chamber is closed as ethanol liquid ejection end, ethanol liquid ejection end is stretched into the ethyl alcohol gasification chamber, and The ethanol liquid ejection end is located at below the water conservancy diversion land;Second outside the other end connection of the ethanol liquid ingress pipe Alcohol supply pipe;Alcohol vapour drainage channel is formed between the outer wall of the ethyl alcohol supply pipe and the water conservancy diversion land inner wall.

Further, further include and import temperature protection pipe, the second with the concentric ethyl alcohol of the ethanol liquid ingress pipe The lower end that alcohol imports temperature protection pipe is stretched into the composite fuel combustion chamber;It is big for internal diameter that the ethyl alcohol imports temperature protection pipe In the heating resisting metal pipe structure of the ethanol liquid ingress pipe, and the ethyl alcohol imports temperature protection pipe sealing two ends and sets;

The ethanol liquid ingress pipe is concentric to import temperature protection pipe, the ethanol liquid ingress pipe through the ethyl alcohol Outer wall and the ethyl alcohol are provided with two symmetrical shims along its length between importing temperature protection inside pipe wall, described in two The ethyl alcohol is imported in the pipe of temperature protection pipe and is separated into oil inlet passage and oil discharge passage by shim;Under two shims End hollow out is provided with via hole;The via hole is by the oil inlet passage and oil discharge passage mutual conduction;The oil inlet passage is remote The cold conduction oil fuel feed pump outside the conducting connection of one end from the via hole;The oil discharge passage away from the via hole one End conducting connects the oil inlet end of the deep fat heating tube;The lower end oil outlet end conducting thermal conductivity deep fat outputs of the deep fat heating tube Pipe.

Further, several exhaust smoke holes are along composite fuel burning chamber axis circumferentially array distribution;The smoke outlet It is formed in the smoke evacuation wall and leads cigarette channel;Have on the upside of the smoke evacuation wall and store smoke chamber, the storage smoke chamber is led to by several cigarettes of leading Road turns on the composite fuel combustion chamber;Storage smoke chamber upper end conducting is connected with pipe.

Further, fuel burner nozzle, main gas supply pipe are further included, combustion air supply pipe, combustion air current divider box, is helped Fire air heat-exchange pipe, combustion air manifold, hot combustion air conduit, heat exchange box and smoke exhaust pipe;

The combustion air supply pipe conducting connects the combustion air current divider box, the outlet of the combustion air current divider box End turns on the inlet end of several combustion air heat exchanger tubes, is helped described in the common conducting in each combustion air heat exchanger tube outlet side Air flow collection case is fired, the outlet side of the combustion air manifold connects the combustion gas by the hot combustion air conduit conducting The combustion air inlet end of burner;The gas inlet end of the fuel burner nozzle connects the main gas supply pipe;The combustion gas is burnt The flame jet correspondence of mouth is in the composite fuel combustion chamber of the burning furnace body;

The smoke end of the pipe connects the hot cigarette bending tubes end of the heat exchange box, the smoke end connection row of the heat exchange box Smoke pipe, the smoke exhaust pipe conducting are extraneous;Each combustion air heat exchanger tube passes through the heat exchanging chamber in the heat exchange box.

Further, the combustion furnace body exterior is in vertical cylindrical structure;The heat exchange box is vertically arranged length Closed case structure, and heat exchange box is set up in parallel with the burning furnace body;

The combustion air heat exchanger tube is metal heat-exchange capillary structure, and several combustion air heat exchanger tubes form pencil heat exchanger tube Group;And several combustion air heat exchanger tubes are vertically through the heat exchanging chamber in the heat exchange box;The smoke end of the pipe Conducting heat exchange box cavity upper end;The heat exchange box cavity lower end conducting smoke exhaust pipe, the smoke end connection flue gas of the smoke exhaust pipe are net Makeup is put.

Further, the angle between the round platform axis of the composite fuel combustion chamber and round platform busbar is α, the ethyl alcohol Angle between the circular cone axis and element of cone of gasification cone is β;Wherein β and α meets 20 °≤β≤25 ° ,+3 ° of α=β simultaneously.

Further, the angle between the circular cone axis and element of cone of the ethyl alcohol gasification chamber is γ, and wherein γ meets + 10 ° of γ=β.

Further, combustion air supply pipe continuously supplies combustion-supporting sky to combustion air manifold under air blower effect Gas, then the flue gas shunting in combustion air manifold is into each combustion air heat exchanger tube, and the hot cigarette in heat exchange box is to fasciculation Heat exchange pipe group heating, the combustion air then heated imported into combustion air manifold, and then combustion air afflux jointly The combustion air converged in case imported into the air inlet end of fuel burner nozzle by hot combustion air conduit, imports in fuel burner nozzle Air for excess air, excessive combustion air makes combustion air into composite fuel combustion chamber fully with entering together Balance partial oxidation is gone back after combustion gas reaction, at the same time main gas supply pipe continuously injects combustion gas, combustion air to fuel burner nozzle It is sprayed after converging with combustion gas in fuel burner nozzle at flame jet, the electronic lighter at flame jet starts at this time, fire Flame nozzle forms jet flames;Stopped at this time above flame be subject to ethyl alcohol gasification cone end, flame made to scatter in horn-like, And even flame is attached at the hypomere heating tube rising of cone-type spiral distribution, and the heating tube of leading portion is heated, due to injection It is excessive combustion air, gas consumption is rapid, with flame when continuing to rise at the circular cone bottom surface of ethyl alcohol gasification cone of flame Intensity starts to weaken;Ethyl alcohol supply pipe continuously imports liquid ethanol to ethanol liquid ingress pipe at this time, and liquid ethanol is from ethyl alcohol The ethanol liquid ejection end of liquid ingress pipe sprays, and sprays in the ethyl alcohol gasification chamber inside ethyl alcohol gasification cone, due to ethanol gas Changing cone lower end is subject to flame direct-injection to heat, and ethyl alcohol gasification is bored as continuous high temperature state, the liquid second being ejected into ethyl alcohol gasification chamber Alcohol gasifies rapidly, and causes to form high-pressure ethanol steam in ethyl alcohol gasification chamber, and high-pressure ethanol steam is drawn by alcohol vapour immediately Circulation road is entered in alcohol vapour adapter cavity, and alcohol vapour is further heated to ignition point in alcohol vapour adapter cavity, Immediately from annular flame passage into the horn-like ejection of divergence expression, due to also having a large amount of balance oxygen, spray in composite fuel combustion chamber The high temperature alcohol vapour gone out quickly forms horn-like jet flames, and the epimere heating tube for being attached at cone-type spiral distribution is advanced, And epimere heating tube is heated, finally formed flue gas is discharged by smoke outlet;

The cold oil come out from heating equipment is continuously imported into ethyl alcohol and imports temperature by cold conduction oil fuel feed pump in above process It spends in the pipe of protection pipe in oil inlet passage, then conduction oil is flowed to along oil inlet passage at via hole, and the oil in oil inlet passage passes through Via hole flows to oil discharge passage, and then conduction oil flows to the oil inlet end of heating tube from the other end of oil discharge passage, during being somebody's turn to do, goes out Ethanol liquid between oily passage and oil inlet passage imports pipe outer wall and is surrounded by conduction oil contact, avoids ethanol liquid importing It is preceding with regard to the gasification of violent boiling type that pipe outer wall is directly caused liquid in pipe to spray by flame heating, in turn results in ethanol liquid ingress pipe The difficult consequence for even damaging equipment is imported, conduction oil conduction oil during by heating tube is heated, then heated Conduction oil is flowed out from the deep fat oil outlet end of heating tube, and is passed through circulating pump and flowed to heating equipment, is thusly-formed Xun Huan.

Advantageous effect:The structure of the present invention is simple, using the liquid ethanol of regenerative resource as one of fuel, is conducive to provide The sustainable development in source, using taper truncated cone-shaped combustion chamber, cooperation ethyl alcohol gasification cone by the guiding of common natural gas injection flame into It is horn-like, and the heating tube for being attached at cone-type spiral distribution is advanced, and flame heating surface (area) (HS is made to become larger, more fully to heating tube Heating, while the liquid ethanol imported gasifies in stove and sprays high temperature alcohol vapour in centre, makes ethanol combustion efficiency more Height, heating are more uniform.

Description of the drawings

Attached drawing 1 is overall structure diagram of the present invention.

Attached drawing 2 is combustion furnace body interior longitudinal direction cut-away diagram;

Attached drawing 3 is combustion furnace body interior transverse direction cut-away diagram;

Attached drawing 4 is burning furnace body bottom view;

Attached drawing 5 for attached drawing 4 A to sectional view;

Attached drawing 6 is ethyl alcohol gasification cone partial sectional view;

Attached drawing 7 imports temperature protection pipe partial interior view for ethyl alcohol.

Specific embodiment

The present invention is further described below in conjunction with the accompanying drawings.

A kind of combustion furnace based on liquid ethanol-natural gas composite fuel as shown in attached drawing 1 to 7 includes burning furnace body 15, the burning furnace body 15 includes composite fuel combustion chamber 17, and in the present embodiment, composite fuel combustion chamber 17 is taper end court Under conical round table structure;17 lower end of composite fuel combustion chamber is concentric to be provided with flame jet 7, flame jet 7 Flame direction is vertically upward;17 upper end of composite fuel combustion chamber is smoke evacuation wall 60, is provided on the smoke evacuation wall 60 several Smoke outlet 27;Ethyl alcohol gasification cone 14 is further included in the composite fuel combustion chamber 17;Ethyl alcohol gasification 14 outer walls of cone are in tip Conical structure directed downwardly;Ethyl alcohol gasifies cone 14 as heat-resisting material composition in the present embodiment, and 14 and described group are bored in the ethyl alcohol gasification Close 17 concentric setting of fuel combustion chamber, and the conical tip 14.1 of ethyl alcohol gasification cone 14 and 7 spacing of flame jet It sets;The circular cone bottom surface of the ethyl alcohol gasification cone 14 is located at the middle part of 17 axial direction of composite fuel combustion chamber;The second Alcohol gasification cone 14 is connected at least through a supporting rod 13 and 17 inner wall of composite fuel combustion chamber support;The composite fuel Deep fat heating tube 1 is further included in combustion chamber 17, the 1 tapered coiled coil shape of deep fat heating tube is attached at the composite fuel The conical inboard wall 17.1 of combustion chamber 17;Jet flames is formed at flame jet 7;It is subject to 14 point of ethyl alcohol gasification cone above flame at this time The stop at end makes flame scatter in horn-like, and even flame is attached at the hypomere heating tube 1 that cone-type spiral is distributed and rises, and The heating tube 1 of hypomere is heated, flame heating surface (area) (HS is made to become larger, more fully heating tube is heated.

In the present solution, the inside of ethyl alcohol gasification cone 14 further includes conical ethyl alcohol gasification chamber 4;In the ethyl alcohol gasification chamber 4 Concentric to be bored in ethyl alcohol gasification inside 14,4 lower end of ethyl alcohol gasification chamber is tip;The circular cone of the ethyl alcohol gasification chamber 4 It is concentric at bottom surface to be provided with disk 72 of igniting, shape between the 4 upper end profile of 72 outer profile of disk and ethyl alcohol gasification chamber of igniting Flame passage 71 is circularized, the waist inner wall of the ethyl alcohol gasification chamber 4 is provided with the horizontal water conservancy diversion land 74 of a circle, the guide ring Alcohol vapour adapter cavity 75 is formed between platform 74 and the disk 72 of igniting;Further include ethanol liquid ingress pipe 6;The ethanol Body ingress pipe 6 is set with the 17 axis coaxle heart of composite fuel combustion chamber, and the ethanol liquid ingress pipe 6 is sprayed from the flame 7 contralateral sides of mouth are extended downwardly into the composite fuel combustion chamber 17, and check valve is additionally provided in the ethanol liquid ingress pipe 6 80,80 lower end of check valve is outlet end, and the ethanol liquid ingress pipe 6 stretches into the end in composite fuel combustion chamber 17 as second Alcohol liquid ejection end 9, concrete principle is as follows:Its ethanol liquid ejection end 9 is stretched into the ethyl alcohol gasification chamber 4, and the ethyl alcohol Liquid ejection end 9 is located at 74 lower section of water conservancy diversion land;Ethyl alcohol outside the other end connection of the ethanol liquid ingress pipe 6 supplies To pipe 12;Alcohol vapour drainage channel 73 is formed between the outer wall of the ethyl alcohol supply pipe 12 and 74 inner wall of water conservancy diversion land; Its liquid ethanol is sprayed from the ethanol liquid ejection end 9 of ethanol liquid ingress pipe 6, and sprays to the ethyl alcohol inside ethyl alcohol gasification cone 14 In gasification chamber 4, since 14 lower ends of ethyl alcohol gasification cone are subject to flame direct-injection to heat, ethyl alcohol gasification bores 14 as continuous high temperature state, spray Go out to the liquid ethanol in ethyl alcohol gasification chamber 4 and gasify rapidly, and cause to form high-pressure ethanol steam in ethyl alcohol gasification chamber 4, immediately High-pressure ethanol steam is entered by alcohol vapour drainage channel 73 in alcohol vapour adapter cavity 75, and alcohol vapour is in alcohol vapour Ignition point is further heated in adapter cavity 75, immediately from annular flame passage 71 into the horn-like ejection of divergence expression, due to group It closes and also has a large amount of balance oxygen in fuel combustion chamber, the high temperature alcohol vapour of ejection quickly forms horn-like jet flames, and pastes The epimere heating tube 1 for investing cone-type spiral distribution is advanced, and epimere heating tube 1 is heated, and the ethyl alcohol gasification structure is by liquid second The heat that alcohol changes into the ejection of high temperature alcohol vapour and generates ethanol combustion reaches and utilizes to greatest extent.

It further includes and imports temperature protection pipe 44 with the concentric ethyl alcohol of the ethanol liquid ingress pipe 6, the ethyl alcohol imports The lower end of temperature protection pipe 44 is stretched into the composite fuel combustion chamber 17;It is big for internal diameter that the ethyl alcohol imports temperature protection pipe 44 In the heating resisting metal pipe structure of the ethanol liquid ingress pipe 6, and the ethyl alcohol imports 44 sealing two ends of temperature protection pipe and sets; The ethanol liquid ingress pipe 6 is concentric to import temperature protection pipe 44,6 outer wall of ethanol liquid ingress pipe through the ethyl alcohol Two symmetrical shims 16 are provided with along its length between 44 inner wall of ethyl alcohol importing temperature protection pipe, described in two The ethyl alcohol is imported in the pipe of temperature protection pipe 44 and is separated into oil inlet passage 10 and oil discharge passage 3 by shim 16;Two described points The lower end hollow out of partition 16 is provided with via hole 18;The via hole 18 is by 3 phase mutual conductance of the oil inlet passage 10 and oil discharge passage It is logical;Cold conduction oil fuel feed pump 11 outside one end conducting connection of the oil inlet passage 10 away from the via hole 18;It is described go out One end conducting of the oily passage 3 away from the via hole 18 connects the oil inlet end 5 of the deep fat heating tube 1;The deep fat heating tube 1 Lower end oil outlet end 5.1 turn on thermal conductivity deep fat efferent duct 24;The structure makes the ethanol between oil discharge passage 3 and oil inlet passage 10 6 outer wall of body ingress pipe is surrounded by conduction oil contact, is avoided 6 outer wall of ethanol liquid ingress pipe and is directly caused pipe by flame heating Interior liquid spray before just violent boiling type gasify, in turn result in ethanol liquid ingress pipe 6 import it is difficult even damage equipment after Fruit.

Several exhaust smoke holes 27 are along 17 axis of composite fuel combustion chamber circumferentially array distribution;The smoke outlet 27 is in institute It states to be formed in smoke evacuation wall 60 and leads cigarette channel 58;60 upside of smoke evacuation wall, which has, stores smoke chamber 59, and the storage smoke chamber 59 is by several It leads cigarette channel 58 and turns on the composite fuel combustion chamber 17;The conducting of 59 upper end of the storage smoke chamber is connected with pipe 50.

It further includes fuel burner nozzle 19, main gas supply pipe 21, combustion air supply pipe 51, combustion air current divider box 52, help Fire air heat-exchange pipe 57, combustion air manifold 56, hot combustion air conduit 20, heat exchange box 53 and smoke exhaust pipe 54;

The conducting of combustion air supply pipe 51 connects the combustion air current divider box 52, the combustion air current divider box 52 Outlet side turn on the inlet ends of several combustion air heat exchanger tubes 57, each 57 outlet side of combustion air heat exchanger tube is common The combustion air manifold 56 is turned on, the outlet side of the combustion air manifold 56 passes through the hot combustion air conduit 20 Conducting connects the combustion air inlet end of the fuel burner nozzle 19;The gas inlet end of the fuel burner nozzle 19 connects the main combustion Gas supply pipe 21;The flame jet 7 of the fuel burner nozzle 19 is corresponded in the composite fuel combustion chamber 17 of the burning furnace body 15 In, restriction has been made in the position of the flame jet 7 above;The smoke end of the pipe 50 connects the heat of the heat exchange box 53 Cigarette bending tubes end, the smoke end connection smoke exhaust pipe 54 of the heat exchange box 53, the smoke exhaust pipe 54 turn on the external world;Each combustion air Heat exchanger tube 57 passes through the heat exchanging chamber in the heat exchange box 53.

15 outside of burning furnace body is in vertical cylindrical structure;The heat exchange box 53 is closed for vertically arranged strip Body structure, and heat exchange box 53 is set up in parallel with the burning furnace body 15;The combustion air heat exchanger tube 57 is metal heat-exchange Capillary structure, several combustion air heat exchanger tubes 57 form pencil heat exchange pipe group;And several combustion air heat exchanger tubes 57 are along vertical side To through the heat exchanging chamber in the heat exchange box 53;The smoke end 53 inner cavity upper end of conducting heat exchange box of the pipe 50;It is described to change 53 inner cavity lower end of hot tank turns on smoke exhaust pipe 54, the smoke end connection smoke eliminator of the smoke exhaust pipe 54.

In order to ensure the cooperation of taper composite fuel combustion chamber 17 and ethyl alcohol gasification cone 14, it can make what flame jet 7 sprayed Flame just scatters in horn-like, and the hypomere heating tube 1 that flame is enable uniformly to be attached at cone-type spiral distribution rises, further Energy utilization rate is improved, is done as defined below in the present embodiment, between the round platform axis of composite fuel combustion chamber 17 and round platform busbar Angle be α, the angle between the circular cone axis and element of cone of ethyl alcohol gasification cone 14 is β;Wherein β and α meet simultaneously 20 °≤β≤25 ° ,+3 ° of α=β.

In order to ensure the cooperation of ethyl alcohol gasification chamber 4 and ethanol liquid ingress pipe 6, the height of the annular ejection of flame passage 71 can be made Warm alcohol vapour can quickly form horn-like jet flames, and the epimere heating tube 1 that can be attached at cone-type spiral distribution rises, this It is done in embodiment as defined below, the angle between the circular cone axis and element of cone of ethyl alcohol gasification chamber 4 is γ, and wherein γ meets γ + 10 ° of=β.

The method, principle and its process of this programme arrange as follows:Combustion air supply pipe 51 is continuous under air blower effect Combustion air is supplied to combustion air manifold 56, then the flue gas shunting in combustion air manifold 56 to each combustion air changes In heat pipe 57, the 57 groups of heating of heat exchanger tube of hot cigarette to fasciculation in heat exchange box 53, the combustion air then heated is led jointly Enter to combustion air manifold 56, and then the combustion air converged in combustion air manifold 56 passes through hot combustion air conduit 20 The air inlet end of fuel burner nozzle 19 is imported into, imports the air in fuel burner nozzle 19 as excess air, excessive combustion air makes Balance partial oxidation is gone back after fully being reacted into the combustion air in composite fuel combustion chamber 17 with the combustion gas entered together, with this Main gas supply pipe 21 continuously injects combustion gas to fuel burner nozzle 19 simultaneously, combustion air and combustion gas converge in fuel burner nozzle after from It is sprayed at flame jet 7, the electronic lighter at flame jet 7 starts at this time, and jet flames is formed at flame jet 7;This Stopped above Shi Huoyan be subject to 14 tips of ethyl alcohol gasification cone, flame is made to scatter in horn-like, and even flame is attached at taper The hypomere heating tube 1 of Spiral distribution rises, and the heating tube 1 of leading portion is heated, and what it is due to injection is excessive combustion air, combustion gas Consumption is rapid, starts to weaken with flame intensity when continuing to rise at the circular cone bottom surface of ethyl alcohol gasification cone 14 of flame;At this time Ethyl alcohol supply pipe 12 continuously imports liquid ethanol to ethanol liquid ingress pipe 6, and liquid ethanol is from the second of ethanol liquid ingress pipe 6 Alcohol liquid ejection end 9 sprays, and sprays in the ethyl alcohol gasification chamber 4 inside ethyl alcohol gasification cone 14, and 14 lower ends are bored since ethyl alcohol gasifies Flame direct-injection is subject to heat, ethyl alcohol gasification cone 14 is continuous high temperature state, and the liquid ethanol being ejected into ethyl alcohol gasification chamber 4 is rapid Gasification, and cause to form high-pressure ethanol steam in ethyl alcohol gasification chamber 4, high-pressure ethanol steam passes through alcohol vapour drainage channel immediately 73 enter in alcohol vapour adapter cavity 75, and alcohol vapour is further heated to ignition point in alcohol vapour adapter cavity 75, Immediately from annular flame passage 71 into the horn-like ejection of divergence expression, due to there is a large amount of balance oxygen in composite fuel combustion chamber, The high temperature alcohol vapour of ejection quickly forms horn-like jet flames, and be attached at cone-type spiral distribution epimere heating tube 1 before Into, and epimere heating tube 1 is heated, finally formed flue gas is discharged by smoke outlet 27;

The cold oil come out from heating equipment is continuously imported into ethyl alcohol and imported by cold conduction oil fuel feed pump 11 in above process In the pipe of temperature protection pipe 44 in oil inlet passage 10, then conduction oil is flowed to along oil inlet passage 10 at via hole 18, oil inlet passage Oil in 10 flows to oil discharge passage 3 by via hole 18, and then the other end of conduction oil from oil discharge passage 3 flows to heating tube 1 Oil inlet end 5, during being somebody's turn to do, 6 outer wall of ethanol liquid ingress pipe between oil discharge passage 3 and oil inlet passage 10 is by conduction oil contact It surrounds, avoids 6 outer wall of ethanol liquid ingress pipe and directly caused liquid in pipe ejection preceding with regard to violent boiling type gas by flame heating Change, in turn result in ethanol liquid ingress pipe 6 and import the difficult consequence for even damaging equipment, conduction oil is passing through 1 process of heating tube Middle conduction oil is heated, and the conduction oil then heated is flowed out from the deep fat oil outlet end of heating tube 1, and is flowed to and used by circulating pump Hot equipment is thusly-formed Xun Huan.

The above is only the 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 also should It is considered as protection scope of the present invention.

Claims (9)

1. a kind of combustion furnace based on liquid ethanol-natural gas composite fuel, it is characterised in that:Including burning furnace body (15), The burning furnace body (15) includes composite fuel combustion chamber (17), and the composite fuel combustion chamber (17) is directed downwardly for taper end Conical round table structure;Composite fuel combustion chamber (17) lower end is concentric to be provided with flame jet (7), flame jet (7) Flame direction vertically upward;Composite fuel combustion chamber (17) upper end is smoke evacuation wall (60), is set on the smoke evacuation wall (60) It is equipped with several smoke outlets (27);
Ethyl alcohol gasification cone (14) is further included in the composite fuel combustion chamber (17);Described ethyl alcohol gasification cone (14) outer wall is in tip Conical structure directed downwardly;The ethyl alcohol gasification cone (14) and the concentric setting of the composite fuel combustion chamber (17), and the second The conical tip (14.1) of alcohol gasification cone (14) is set with the flame jet (7) spacing;The circle of the ethyl alcohol gasification cone (14) Cone bottom surface is located at the middle part of composite fuel combustion chamber (17) axial direction;The ethyl alcohol gasification cone (14) is at least through one Supporting rod (13) is connected with composite fuel combustion chamber (17) inner wall support;
Deep fat heating tube (1), the tapered helical disk of the deep fat heating tube (1) are further included in the composite fuel combustion chamber (17) The conical inboard wall (17.1) of the composite fuel combustion chamber (17) is attached at around shape.
2. a kind of combustion furnace based on liquid ethanol-natural gas composite fuel according to claim 1, it is characterised in that: The inside of the ethyl alcohol gasification cone (14) further includes conical ethyl alcohol gasification chamber (4);In the ethyl alcohol gasification chamber (4) it is concentric in The ethyl alcohol gasification cone (14) is internal, and ethyl alcohol gasification chamber (4) lower end is tip;The conical bottom of the ethyl alcohol gasification chamber (4) It is concentric at face to be provided with disk of igniting (72), disk of igniting (72) outer profile and ethyl alcohol gasification chamber (4) upper end profile it Between form annular flame passage (71), the waist inner wall of the ethyl alcohol gasification chamber (4) is provided with the horizontal water conservancy diversion land (74) of a circle, Alcohol vapour adapter cavity (75) is formed between the water conservancy diversion land (74) and the disk of igniting (72);
Further include ethanol liquid ingress pipe (6);The ethanol liquid ingress pipe (6) and composite fuel combustion chamber (17) axis Concentric setting, the ethanol liquid ingress pipe (6) extend downwardly into the composite fuel combustion from the flame jet (7) contralateral side It burns in room (17), check valve (80) is additionally provided in the ethanol liquid ingress pipe (6), check valve (80) lower end is liquid End, the ethanol liquid ingress pipe (6) stretch into the end in composite fuel combustion chamber (17) as ethanol liquid ejection end (9), Ethanol liquid ejection end (9) is stretched into the ethyl alcohol gasification chamber (4), and the ethanol liquid ejection end (9) is located at the water conservancy diversion Below land (74);Ethyl alcohol supply pipe (12) outside the other end connection of the ethanol liquid ingress pipe (6);The ethyl alcohol supplies Alcohol vapour drainage channel (73) is formed between outer wall and the water conservancy diversion land (74) inner wall to pipe (12).
3. a kind of combustion furnace based on liquid ethanol-natural gas composite fuel according to claim 2, it is characterised in that: It further includes and imports temperature protection pipe (44) with the concentric ethyl alcohol of the ethanol liquid ingress pipe (6), the ethyl alcohol imports temperature The lower end of protection pipe (44) is stretched into the composite fuel combustion chamber (17);It is internal diameter that the ethyl alcohol, which imports temperature protection pipe (44), More than the heating resisting metal pipe structure of the ethanol liquid ingress pipe (6), and the ethyl alcohol imports (44) two end seal of temperature protection pipe Mouth is set;
The ethanol liquid ingress pipe (6) is concentric to import temperature protection pipe (44) through the ethyl alcohol, and the ethanol liquid is led Enter and be provided with two symmetrical points between pipe (6) outer wall and ethyl alcohol importing temperature protection pipe (44) inner wall along its length The ethyl alcohol is imported in the pipe of temperature protection pipe (44) and is separated into oil inlet passage (10) by partition (16), two shims (16) With oil discharge passage (3);The lower end hollow out of two shims (16) is provided with via hole (18);The via hole (18) is by described in Oil inlet passage (10) and oil discharge passage (3) mutual conduction;It leads the one end of the oil inlet passage (10) away from the via hole (18) Lead to and connect external cold conduction oil fuel feed pump (11);One end conducting of the oil discharge passage (3) away from the via hole (18) connects Connect the oil inlet end (5) of the deep fat heating tube (1);Lower end oil outlet end (5.1) the conducting thermal conductivity deep fat of the deep fat heating tube (1) Efferent duct (24).
4. a kind of combustion furnace based on liquid ethanol-natural gas composite fuel according to claim 1, it is characterised in that: Several exhaust smoke holes (27) are along composite fuel combustion chamber (17) axis circumferentially array distribution;The smoke outlet (27) is described It is formed in smoke evacuation wall (60) and leads cigarette channel (58);Have on the upside of the smoke evacuation wall (60) and store smoke chamber (59), the storage smoke chamber (59) The composite fuel combustion chamber (17) is turned on by several cigarette channels (58) of leading;The conducting of described storage smoke chamber (59) upper end is connected with out Smoke pipe (50).
5. a kind of combustion furnace based on liquid ethanol-natural gas composite fuel according to claim 1 or 4, feature exist In:Further include fuel burner nozzle (19), main gas supply pipe (21), combustion air supply pipe (51), combustion air current divider box (52), Combustion air heat exchanger tube (57), combustion air manifold (56), hot combustion air conduit (20), heat exchange box (53) and smoke exhaust pipe (54);
Combustion air supply pipe (51) conducting connects the combustion air current divider box (52), the combustion air current divider box (52) outlet side turns on the inlet end of several combustion air heat exchanger tubes (57), and each combustion air heat exchanger tube (57) goes out Gas end turns on the combustion air manifold (56) jointly, and the outlet side of the combustion air manifold (56) is helped by the heat It fires air conduit (20) and turns on the combustion air inlet end for connecting the fuel burner nozzle (19);The combustion gas of the fuel burner nozzle (19) Inlet end connects the main gas supply pipe (21);The flame jet (7) of the fuel burner nozzle (19) is corresponding in the combustion furnace In the composite fuel combustion chamber (17) of body (15);
The smoke end of the pipe (50) connects the hot cigarette bending tubes end of the heat exchange box (53), the smoke of the heat exchange box (53) End connection smoke exhaust pipe (54), smoke exhaust pipe (54) conducting are extraneous;Each combustion air heat exchanger tube (57) passes through the heat exchange Heat exchanging chamber in case (53).
6. a kind of combustion furnace based on liquid ethanol-natural gas composite fuel according to claim 5, it is characterised in that: It is in vertical cylindrical structure outside the burning furnace body (15);The heat exchange box (53) is vertically arranged strip closed case Structure, and heat exchange box (53) is set up in parallel with the burning furnace body (15);
The combustion air heat exchanger tube (57) is metal heat-exchange capillary structure, and several combustion air heat exchanger tubes (57) form pencil and change Heat pipe group;And several combustion air heat exchanger tubes (57) are vertically through the heat exchanging chamber in the heat exchange box (53);It is described go out Smoke end conducting heat exchange box (53) inner cavity upper end of smoke pipe (50);Heat exchange box (53) the inner cavity lower end conducting smoke exhaust pipe (54), The smoke end connection smoke eliminator of the smoke exhaust pipe (54).
7. a kind of combustion furnace based on liquid ethanol-natural gas composite fuel according to claim 1, it is characterised in that: Angle between the round platform axis of the composite fuel combustion chamber (17) and round platform busbar is α, the ethyl alcohol gasification cone (14) Angle between circular cone axis and element of cone is β;Wherein β and α meets 20 °≤β≤25 ° ,+3 ° of α=β simultaneously.
8. a kind of combustion furnace based on liquid ethanol-natural gas composite fuel according to claim 2 or 7, feature exist In:Angle between the circular cone axis and element of cone of the ethyl alcohol gasification chamber (4) is γ, and wherein γ meets+10 ° of γ=β.
A kind of 9. method of the combustion furnace based on liquid ethanol-natural gas composite fuel, it is characterised in that:Under air blower effect Combustion air supply pipe (51) continuously supplies combustion air to combustion air manifold (56), then combustion air manifold (56) In flue gas shunting into each combustion air heat exchanger tube (57), hot cigarette in heat exchange box (53) is to heat exchanger tube (57) group of fasciculation Heating, the combustion air then heated imported into combustion air manifold (56), and then combustion air manifold (56) jointly In the combustion air that converges the air inlet end of fuel burner nozzle (19) is imported by hot combustion air conduit (20), import combustion gas Air in burner (19) is excess air, and excessive combustion air fills the combustion air into composite fuel combustion chamber (17) Divide after being reacted with the combustion gas entered together and go back balance partial oxidation, at the same time main gas supply pipe (21) is continuously to fuel burner nozzle (19) combustion gas is injected, combustion air sprays after converging with combustion gas in fuel burner nozzle at flame jet (7), at this time flame jet (7) electronic lighter at starts, and jet flames is formed at flame jet (7);It is subject to ethyl alcohol gasification cone above flame at this time (14) stop at tip makes flame scatter in horn-like, and even flame is attached at the hypomere heating tube (1) of cone-type spiral distribution Rise, and the heating tube (1) of leading portion is heated, what it is due to injection is excessive combustion air, and gas consumption is rapid, with flame Flame intensity starts to weaken when continuing to rise at the circular cone bottom surface of ethyl alcohol gasification cone (14);Ethyl alcohol supply pipe (12) is continuous at this time Liquid ethanol is imported to ethanol liquid ingress pipe (6), liquid ethanol is from the ethanol liquid ejection end of ethanol liquid ingress pipe (6) (9) spray, and spray in the internal ethyl alcohol gasification chamber (4) of ethyl alcohol gasification cone (14), since ethyl alcohol gasification cone (14) lower end is subject to Flame direct-injection heats, and ethyl alcohol gasification cone (14) is continuous high temperature state, and the liquid ethanol being ejected into ethyl alcohol gasification chamber (4) is rapid Gasification, and cause to form high-pressure ethanol steam in ethyl alcohol gasification chamber (4), high-pressure ethanol steam is drained logical by alcohol vapour immediately Road (73) is entered in alcohol vapour adapter cavity (75), and alcohol vapour is further heated in alcohol vapour adapter cavity (75) Ignition point, it is a large amount of due to also having in composite fuel combustion chamber immediately from annular flame passage (71) into the horn-like ejection of divergence expression Balance oxygen, the high temperature alcohol vapour of ejection quickly form horn-like jet flames, and are attached at the epimere of cone-type spiral distribution Heating tube (1) is advanced, and epimere heating tube (1) is heated, and finally formed flue gas is discharged by smoke outlet (27);
The cold oil come out from heating equipment is continuously imported into ethyl alcohol and imports temperature by cold conduction oil fuel feed pump (11) in above process It spends in the pipe of protection pipe (44) in oil inlet passage (10), then conduction oil is flowed to along oil inlet passage (10) at via hole (18), into Oil in oily passage (10) by via hole (18) flows to oil discharge passage (3), and then conduction oil is from the other end of oil discharge passage (3) The oil inlet end (5) of heating tube (1) is flowed to, during being somebody's turn to do, the ethanol liquid between oil discharge passage (3) and oil inlet passage (10) imports Pipe (6) outer wall is surrounded by conduction oil contact, is avoided ethanol liquid ingress pipe (6) outer wall and is directly caused by flame heating in pipe Liquid gasifies before spraying with regard to violent boiling type, after in turn resulting in the difficult even damage equipment of ethanol liquid ingress pipe (6) importing Fruit, conduction oil conduction oil during by heating tube (1) are heated, and the conduction oil then heated is from the warm of heating tube (1) Oily oil outlet end outflow, and pass through circulating pump and flow to heating equipment, it is thusly-formed Xun Huan.
CN201711237601.4A 2017-11-30 2017-11-30 It is a kind of based on liquid ethanol-natural gas composite fuel combustion furnace and its method CN108050509B (en)

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CN108817064A (en) * 2018-08-17 2018-11-16 南通劲凌智能科技有限公司 A kind of soil remediation equipment and its method of hollow flood dragon vane type
CN108844081A (en) * 2018-06-29 2018-11-20 南通劲凌智能科技有限公司 A kind of the organic sewage incinerating and purifying system and its method of high concentration
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CN108968640A (en) * 2018-07-27 2018-12-11 苏州尚梵斯科技有限公司 A kind of supping nonstorage calorifier and its method
CN109028551A (en) * 2018-07-20 2018-12-18 南通劲凌智能科技有限公司 A kind of liquid heating apparatus and its method based on multiple coil pipe
CN109047313A (en) * 2018-08-17 2018-12-21 南通劲凌智能科技有限公司 A kind of heat resource equipment and its method for thermal desorption soil sanitation
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CN109595565A (en) * 2018-12-05 2019-04-09 陆炯 Equipment for treating industrial waste gas and its exhaust-gas treatment purification method
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CN108856268A (en) * 2018-05-29 2018-11-23 南通劲凌智能科技有限公司 A kind of getting fat type soil repair system and its restorative procedure
CN108479540A (en) * 2018-05-29 2018-09-04 南通劲凌智能科技有限公司 A kind of food Hybrid Heating device and method thereof
CN108844081A (en) * 2018-06-29 2018-11-20 南通劲凌智能科技有限公司 A kind of the organic sewage incinerating and purifying system and its method of high concentration
CN108844081B (en) * 2018-06-29 2020-01-10 赣州东绿环保科技有限公司 High-concentration organic sewage incineration purification system and method thereof
CN108954272B (en) * 2018-07-20 2019-09-06 上海老盛昌配送有限公司 A kind of steam generator and its method for food heating
CN109028551A (en) * 2018-07-20 2018-12-18 南通劲凌智能科技有限公司 A kind of liquid heating apparatus and its method based on multiple coil pipe
CN108954272A (en) * 2018-07-20 2018-12-07 南通劲凌智能科技有限公司 A kind of steam generator and its method for food heating
CN108954804A (en) * 2018-07-27 2018-12-07 苏州尚梵斯科技有限公司 A kind of supping heating equipment and its method based on helix tube
CN108968640A (en) * 2018-07-27 2018-12-11 苏州尚梵斯科技有限公司 A kind of supping nonstorage calorifier and its method
CN108954804B (en) * 2018-07-27 2020-09-08 江苏如心智能科技有限公司 Fluid food heating equipment based on spiral pipe and method thereof
CN108968640B (en) * 2018-07-27 2020-12-04 滨州农一电子商务有限公司 Quick heating device and method for liquid food
CN108817064A (en) * 2018-08-17 2018-11-16 南通劲凌智能科技有限公司 A kind of soil remediation equipment and its method of hollow flood dragon vane type
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CN109047313A (en) * 2018-08-17 2018-12-21 南通劲凌智能科技有限公司 A kind of heat resource equipment and its method for thermal desorption soil sanitation
CN109140489A (en) * 2018-08-30 2019-01-04 崔秀萍 A kind of vapor fuel combustion apparatus and its method
CN109268804B (en) * 2018-09-10 2019-10-25 鸿灌环境技术有限公司 A kind of heat source system and its method of the soil remediation based on thermal desorption
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