CN108561874A - A kind of gas steam generator of air outlet diameter change - Google Patents
A kind of gas steam generator of air outlet diameter change Download PDFInfo
- Publication number
- CN108561874A CN108561874A CN201810259487.3A CN201810259487A CN108561874A CN 108561874 A CN108561874 A CN 108561874A CN 201810259487 A CN201810259487 A CN 201810259487A CN 108561874 A CN108561874 A CN 108561874A
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- China
- Prior art keywords
- air outlet
- vertical portion
- burner
- heat
- heat pipe
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/66—Preheating the combustion air or gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING 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
- F23L1/00—Passages or apertures for delivering primary air for combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The present invention provides a kind of gas steam generators of air outlet diameter change, including water tank and burner, burner includes burner seat, the burner seat is equipped with the air outlet slit of several supply combustion head combustion adjuvants, the outside of the burner seat is equipped with the intake adit being connected to the air outlet slit, from lower to upper part, multiple air outlet slits are set, from lower to upper part, multiple air outlet slits are set, from the lower to the upper, air outlet slit diameter was increasing before this, at a certain position, then it is gradually reduced.The present invention is by being arranged the variation of diameter of the top of multiple air outlet slits to lower position so that air gradually and combustion gas mixing, reaches sufficient mixed effect.
Description
Technical field
The present invention relates to a kind of vaporizer technology more particularly to a kind of evaporators of the heat pipe of Novel structure.
Background technology
Hot pipe technique is George Ge Luofo of U.S. Los Alamos (Los Alamos) National Laboratory in 1963
One kind of (George Grover) invention is known as the heat transfer element of " heat pipe ", it takes full advantage of heat-conduction principle and is situated between with phase transformation
The heat of thermal objects is transmitted to outside heat source rapidly by the quick thermal transport property of matter through heat pipe, and the capacity of heat transmission is more than to appoint
The capacity of heat transmission of what known metal.
The industries such as aerospace, military project were widely used in before hot pipe technique, since being introduced into radiator manufacturing so that
People change the mentality of designing of traditional heat sinks, have broken away from and simple have obtained the list of more preferable heat dissipation effect by high air quantity motor
One radiating mode opens heat dissipation industry new world using hot pipe technique so that radiator obtains satisfied heat transfer effect.At present
Heat pipe is widely used in various heat transmission equipments, including the UTILIZATION OF VESIDUAL HEAT IN etc. of power domain, such as power plant.
Evaporator is the mechanical equipment for water being heated as using the thermal energy of fuel or other energy steam.Evaporator application
Field is extensive, is widely used in clothing factory, drycleaner's, restaurant, steamed bun shop, dining room, dining room, factories and miness, the places such as Bean Products Factory.At present
Evaporator be also widely used in the treatment of various diseases, be particularly applied to muscle, ligament etc. because of aging and old damage
The treatment of caused chronic disease, such as CN2167709Y patents, but at present in the prior art, such as CN2167709Y special
Profit can cause the vapor (steam) temperature generated excessively high because directly generating steam by heating, and can cause in the steam generated
Excess moisture, and drug is because be that particle is deposited on lower part it is possible that will appear, active ingredient contains in the steam sprayed
Measure too low, and temperature is excessively high, and intelligence degree is not high in the prior art, can not carry out effective intellectualized operation.
In the prior art, the air of burner and combustion gas, which exist, mixes non-uniform phenomenon, causes to burn insufficient.Therefore
It is necessary to improve the mixing of combustion gas and air, make its combustion even.
In view of the above-mentioned problems, the present invention is improved on the basis of invention in front, a kind of new structure is provided
Combustion gas evaporator makes full use of heat source, reduces energy consumption, improves combustion efficiency.
Invention content
In view of the above-mentioned problems, the present invention is improved on the basis of invention in front, a kind of new heat pipe knot is provided
Structure evaporator, to realize making full use of for waste heat.
To achieve the goals above, technical scheme is as follows：
A kind of gas steam generator of air outlet slit variable density, including water tank and burner, the water tank setting are being burnt
On device, burner includes burner seat, and the stove circle for placing water tank, the burner are installed on the burner seat
The combustion head equipped with several orifices is fixedly mounted in seat, the bottom of the burner seat is equipped with Gas Pipe, the burner seat
It is equipped with the air outlet slit of several supply combustion head combustion adjuvants, the outside of the burner seat is equipped with and the air outlet slit
The intake adit of connection, the intake adit are equipped with air intake；The stove circle, the water tank bottom and the burner seat
Combustion chamber is formed, the stove circle is hollow interlayer, and the internal layer double wall top of the stove circle is equipped with several return air inlets, the stove
The internal cavities of circle are connected to the intake adit, which is characterized in that multiple air outlet slits are arranged from lower to upper part, from lower part
To top, air outlet slit diameter was increasing before this, at a certain position, was then gradually reduced.
Preferably, multiple air outlet slits are arranged from lower to upper part, from the lower to the upper, air outlet slit diameter is increasingly
Big amplitude constantly reduces, and starts at a certain position, and the amplitude that air outlet slit diameter is gradually reduced is increasing.
Preferably, further including heat pipe, the water tank includes water inlet and steam (vapor) outlet, and the heat pipe includes vertical portion
Point, horizontal component and VERTICAL TUBE, the wherein bottom end of vertical portion is connected to horizontal component, and the horizontal component lower part connection is multiple perpendicular
Straight tube, wherein VERTICAL TUBE are the evaporation ends of heat pipe, and vertical portion is the condensation end of heat pipe, and the vertical portion extend into water tank bottom
Portion, the VERTICAL TUBE and horizontal component are arranged in gas burner；The heat pipe be at least two, adjacent heat pipe it is vertical
Communicating pipe is set between part.
Preferably, from vertical portion lower part to vertical portion top, it is continuously increased the distance between adjacent communicating pipe.
Preferably, from vertical portion lower part to vertical portion top, the distance between adjacent communicating pipe is ever-increasing
Amplitude is increasing.
Preferably, the vertical portion is plank frame.
Preferably, direction of the horizontal component from the bottom end of vertical portion away from vertical portion extends, it is described
Vertical portion is the more pipes for extending to water tank bottom.
Preferably, the arc-shaped structure of stove circle.
Preferably, the outer diameter of VERTICAL TUBE is d, the distance between adjacent VERTICAL TUBE center of circle of same row is L, VERTICAL TUBE
The center of circle and adjacent row two closed on the VERTICAL TUBE center of circle constitute isosceles triangle apex angle be N, then meet claimed below：
Sin（N）=a-b*S2- c*S, wherein Ln are logarithmic functions, and S=d/ (M2-M1), a, b, c is parameter, and satisfaction is wanted as follows
It asks：
0.795<a<0.805, 0.525<b<0.535,0.895<b<0.905；
Preferably, a=0.803, b=0.529, c=0.903.
Preferably, 0.3< d/L<0.5.
Preferably, tapering into d/L, a is increasing, and b is smaller and smaller, and c is increasing.
Compared with prior art, the present invention has the advantage that：
1）The variation of diameter of the present invention by the top of the multiple air outlet slits of setting to lower position, passes through going out for upper and lower position
Air quantity is small so that the combustion air on top to lower part gradually increases, and is then gradually reduced so that even if air capacity at maximum position
Caused air bolus exists, but is gradually reduced by the amount of the air of upper and lower so that air bolus and then gradual abundant
Mixing, so that air gradually and combustion gas mixing, reaches sufficient mixed effect, avoids top or lower part large quantity of air
Impact combustion gas suddenly so that air forms the presence of agglomerate, causes the mixing of air fuel gas bad so that air capacity is at middle position
Maximum is set, the mixing of big air bolus and combustion gas is gradually diluted by the reduction of the air capacity of top and the bottom.Through a large number of experiments
With numerical simulation the study found that by above-mentioned setting, air fuel gas is enabled to be sufficiently mixed, it is left that combustion efficiency improves 10%
It is right.
2）The present invention improves the condensation end structure of the heat pipe in combustion gas evaporator, will be between adjacent condensation segment
Communicating pipe is set, can be even to avoid uneven heating between heat pipe by the way that communicating pipe is arranged, realize that the pressure between heat pipe is balanced,
Defect caused by avoiding the uneven heating between different heat pipes even.
3）The present invention can be ensured in process fluid flow by being connected to the changing rule of distributed quantity and caliber
Reach pressure equilibrium as soon as possible.
4）The variation for the distribution density and diameter in short transverse that the present invention passes through the air outlet slit of burner, can
Ensure being sufficiently mixed for air and combustion gas, reaches abundant burning.
5）The present invention improves the structure of the evaporation ends of the heat pipe in evaporator, and the evaporation ends of heat pipe are extended to
Farther direction, in the case where not changing the condensation end volume of heat pipe so that the endotherm area of the evaporation ends of heat pipe increases, this
Sample can expand the heat absorption range of heat pipe, can absorb the heat of heat source distalmost end.Heat pipe evaporation in compared with the existing technology
End and condensation end are consistent size, while reducing the volume and floor space of heat exchanger so that compact-sized.
6）Communicating pipe is arranged in adjacent evaporation ends in the present invention, pressure can be caused different in the heated difference of VERTICAL TUBE
In the case of, the fluid in evaporation ends that pressure can be made big quickly flows to the small evaporation ends of pressure, to keep whole pressure
Power is balanced, avoids hot-spot or supercooling.
Description of the drawings
Fig. 1 is steam generator first embodiment schematic diagram of the present invention.
Fig. 2 is steam generator second embodiment schematic diagram of the present invention.
Fig. 3 is heat pipe structure schematic diagram of the present invention.
Fig. 4 is schematic diagrames of the Fig. 3 from bottom.
Fig. 5 is the heat pipe partial structural diagram of present invention setting communicating pipe.
Fig. 6 is steam generator 3rd embodiment schematic diagram of the present invention.
Fig. 7 is the partial enlargement mark schematic diagram of Fig. 4.
Fig. 8 is the structural schematic diagram of the present invention adjacent heat pipe setting communicating pipe.
Fig. 9 is burner structure schematic diagram of the present invention.
In figure：1- burner seats, 2- stove circles, 3-combustion heads, 4- intake adits, the combustion chambers 5-, 7- orifices, 8- heat preservations
Material, 10- heat pipes, 111- air supply openings, 112- air outlet slits, 121- air intakes, 211- return air inlets, 101- vertical portions,
102- horizontal components, 103- VERTICAL TUBEs, 104- pipes, 105- water tanks, 106- heat source passages, 107- communicating pipes, 108- water inlets,
109- steam (vapor) outlets, 110- condenser pipes, 21 internal layer double walls.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings.
Herein, if without specified otherwise, it is related to formula, "/" indicates that division, "×", " * " indicate multiplication.
If Fig. 1-8 discloses a kind of gas steam generator using heat pipe, the steam generator includes 105 He of water tank
Heat pipe 10, the water tank 105 include water inlet 108 and steam (vapor) outlet 109, and the heat pipe includes vertical portion 101, horizontal component
102 and VERTICAL TUBE 103, the wherein bottom end of vertical portion 101 is connected to horizontal component 102, and the connection of 102 lower part of the horizontal component is more
A VERTICAL TUBE 103, wherein VERTICAL TUBE 103 are the evaporation ends of heat pipe, and vertical portion 101 is the condensation end of heat pipe.The vertical portion
101 are divided to extend into 105 bottom of water tank, for the liquid in heating water tank.The VERTICAL TUBE 103 and the setting of horizontal component 102 exist
In heat source.
Evaporator of the present invention absorbs heat from heat source in operation, by VERTICAL TUBE 103, then in VERTICAL TUBE 103
Fluid is evaporated, and vertical portion is entered by horizontal component, then the water in vertical portion rejects heat to water tank,
Fluid is condensed, and VERTICAL TUBE 103 is entered back by the effect of gravity.
Preferably, the vertical portion is flat tube structure.
Preferably, the heat pipe is at least two, be set between the vertical portion 101 of adjacent heat pipe communicating pipe.Example
As shown in Figure 7,8, communicating pipe 107 is set between the vertical portion 101 of two heat pipes adjacent to each other.It is connected to by being arranged
Pipe, can be even to avoid uneven heating between heat pipe, realizes that the pressure between heat pipe is balanced, avoid between different heat pipes it is heated not
Defect caused by uniformly.
Preferably, from 101 lower part of vertical portion to 101 top of vertical portion, the distance between adjacent communicating pipe 107 is no
It is disconnected to increase.This purpose is in order to which more communicating pipes are arranged, because of flowing up with heat pipe vertical portion fluid, fluid is not
Disconnected heat release, with the continuous heat release of fluid, the pressure in different heat pipes continuously decreases, therefore passes through above-mentioned setting, Neng Goubao
Card reaches pressure equilibrium as soon as possible in process fluid flow, saves material.
Preferably, from 101 lower part of vertical portion to 101 top of vertical portion, the distance between adjacent communicating pipe 107 is no
Increased amplitude of breaking is increasing.It is found through experiments that, above-mentioned setting, can ensure more excellent faster in process fluid flow
Reach pressure equilibrium.This is also the best mode of communicating got by largely studying pressure changes in distribution rule.
Preferably, from 101 lower part of vertical portion to 101 top of vertical portion, the diameter of communicating pipe 107 constantly reduces.
This purpose be in order to be arranged ensure bigger connection area, because of flowing up with fluid, the continuous heat release of fluid, with
The continuous heat release of fluid, the pressure in different heat pipes is smaller and smaller, therefore by above-mentioned setting, can ensure to flow in fluid
Reach pressure equilibrium in journey as soon as possible.
Preferably, from 101 lower part of vertical portion to 101 top of vertical portion, the diameter of communicating pipe 107 is ever-reduced
Amplitude is increasing.It is found through experiments that, above-mentioned setting, can ensure more excellent in process fluid flow to reach pressure faster
It is balanced.This is also the best mode of communicating got by largely studying pressure changes in distribution rule.
Preferably, as shown in Figure 1, the horizontal component 102 from the bottom end of vertical portion 101 away from vertical portion
101 direction extends.Evaporator of the present invention is improved by the way that the structure of the evaporation ends of heat pipe is arranged, by the evaporation ends of heat pipe
Farther direction is extended to, in the case where not changing the condensation end volume of heat pipe so that the endotherm area of the evaporation ends of heat pipe
Increase, the heat absorption range of heat pipe can be expanded in this way, the heat of heat source distalmost end can be absorbed.Heat in compared with the existing technology
Pipe evaporation ends and condensation end are consistent size, can improve 45% or more heat exchange efficiency.Simultaneously reduce condensation end volume and
Floor space so that compact-sized.
Extend preferably, the horizontal component of described two heat pipes is respectively facing opposite direction.It is right by being arranged two
The heat pipe of title can absorb heat, meet the needs of heat exchange in different directions.
Preferably, liquid is arranged in the water tank.The evaporator is a kind of evaporator of drug fumigation in treating function.
Preferably, the steam generated is directly gone out from steam (vapor) outlet 109.
Alternatively, the evaporator further includes liquid evaporation tank, and the liquid evaporation tank passes through pipeline and water
Case 105 is connected to, and atomizer is arranged in the liquid evaporation tank, and steam (vapor) outlet is arranged in the liquid evaporation tank.
Drug is set in the water tank, the drug immersion in water, in use, being added by heat pipe in water tank
Hot water, by water come Heating Drug, to generate liquid in water tank 105.The liquid of generation enters liquid evaporation by pipeline
It in case, and is atomized in liquid evaporation tank, is then discharged by steam (vapor) outlet.Steam (vapor) outlet can be directly against patient's
Sick position discharge, for treating.
As shown in attached drawing 1,2, the burner includes burner seat 1, is installed on the burner seat 1 for putting
The stove circle 2 of water tank 105 is set, the combustion head 3 equipped with several orifices 7, the burner seat is fixedly mounted in the burner seat 1
1 bottom is equipped with the air supply opening 111 being connect with gas pipeline, and the burner seat 1 supplies the combustion head 3 equipped with several
The air outlet slit 112 of combustion air, the outside of the burner seat 1 are equipped with the air duct 4 being connected to the air outlet slit 112,
The air duct 4 is equipped with air intake 121, and the shell of the air supply line 4 coats the burner seat 1, available in this way
The air that the heating of burner seat 1 enters, saves gas thermal energy.Preferably, being viewed from above, combustion head 3 is circular configuration
Several orifices 7 is arranged on combustion head 3, and combustion gas can be made to reach best atomizing effect, so that combustion gas can be fully
Burning, the stove circle 2 are in horn-like, and the oral area of the stove circle 2 is corresponding with the outer wall of the water tank round, can make water tank
It is heated evenly, the temperature in fast lifting pot, the stove circle 2, the water tank and the burner seat 1 formation prevent outside flame
The combustion chamber 5 rushed down makes the indoor flame of burning no longer be overflowed along the bottom of a pan, avoids thermal-flame and take away thermal energy, solve combustion
Gas supplies the heat energy loss phenomenon of the 20%-30% of total amount of heat, while making the environment of surrounding no longer because being taken away by thermal-flame
Heat and improve temperature, improve the operating environment in kitchen；The stove circle 2 be hollow interlayer, the stove circle 2 it is interior
Layer double wall 21 is equipped with several return air inlets 211 close to its oral area, and the internal cavities of the stove circle 2 are connected to the intake adit 4.
It is equipped with close to the position of bottom end in the stove circle 2 and is connected to the combustion chamber 5 and external exhaust gas auxiliary exhaust mouth 22,
By outside the gas discharge combustion chamber after abundant burning, the combustion gas in combustion chamber can be made preferably to be mixed with fresh air, fully
Burning, inhibits the generation of pernicious gas.
The outer surface of the stove circle 2 is covered with thermal insulation material 8, and the inner surface of the stove circle 2 can also be covered with thermal insulating material simultaneously
Material 8.Scattering and disappearing for heat can be prevented in this way, while also making the environment of surrounding no longer because heat scatters and disappears and improves temperature.
Wind turbine is advertised air into combustion chamber from air intake, intake adit, air outlet slit, in the combustion chamber with from confession
Gas port enters indoor combustion gas of burning by orifice atomization and mixes and burn, and is heated to water tank, also makes burning Indoor Air
The temperature of body is got higher, most of insufficient high-temperature gas (at this moment the temperature of high-temperature gas can reach 800 DEG C or more) meeting of burning
By return air inlet 211, combustion chambers burn is returned to once again by the internal cavities, intake adit and air outlet slit of stove circle, makes burning
The heat of insufficient high-temperature gas is not only recycled utilization, and it can be made fully to burn, and greatly reduces the use of combustion gas
Amount, and inhibit the generation of the carbon monoxide, hydronitrogen that do great harm to human body, while the part generated in combustion chamber is useless
Gas is discharged in the gap between water tank and stove circle, due to the gap very little between water tank and stove circle, so burned flame is not
It can be overflowed from gap, keep heat losses less, the exhaust gas generated in small part combustion chamber is arranged by exhaust gas auxiliary exhaust mouth
Go out.
Preferably, as shown in Figure 1, 2, the arc-shaped structure of stove circle.
Preferably, multiple air outlet slits 112 are set from lower to upper part, from the lower to the upper, air outlet slit distribution
Density was increasing before this, at a certain position, was then gradually reduced.Top by the way that multiple air outlet slits 112 are arranged is arrived down
The variation of the distribution density of portion position, it is small by the air output of upper and lower position so that the combustion air on top to lower part gradually increases
Add, is then gradually reduced so that even if air bolus caused by air capacity exists at maximum position, but the sky for passing through upper and lower
The amount of gas be gradually reduced so that air bolus and and then be gradually sufficiently mixed, so that air gradually and combustion gas mixing, reaches
To sufficient mixed effect, top or lower part large quantity of air is avoided to impact combustion gas suddenly so that air forms the presence of agglomerate,
Cause the mixing of air fuel gas bad.It can make the study found that by above-mentioned setting with numerical simulation through a large number of experiments
It obtains air fuel gas to be sufficiently mixed, combustion efficiency improves 10% or so.It should be noted that above-mentioned achievement is the applicant
It is not the common knowledge of this field by what is largely studied.
Preferably, multiple air outlet slits are set from lower to upper part, and from the lower to the upper, the density of air outlet slit distribution
Increasing amplitude constantly reduces, and starts at a certain position, and the amplitude that the density of air outlet slit distribution is gradually reduced is more next
It is bigger.It being found through a large number of experiments with numerical simulation study, this setting enables to air and combustion gas more fully to mix,
Improve efficiency of combustion.
Preferably, a certain position is the centre position in 2 short transverse of stove circle.
Preferably, multiple air outlet slits 112, from the lower to the upper, the diameter of air outlet slit are arranged from lower to upper part
It is increasing before this, at a certain position, then it is gradually reduced.By the way that the top of multiple air outlet slits 112 is arranged to lower portion
The variation for the diameter set, it is small by the air output of upper and lower position so that the combustion air on top to lower part gradually increases, then by
It is decrescence small so that though at maximum position caused by air capacity air bolus exist, but by the amount of the air of upper and lower by
It is decrescence small so that air bolus and being then gradually sufficiently mixed, so that air gradually and combustion gas mixing, reaches sufficient
Mixed effect avoids top or lower part large quantity of air from impacting combustion gas suddenly so that air forms the presence of agglomerate, causes air
The mixing of combustion gas is bad.Air is enabled to fire the study found that by above-mentioned setting with numerical simulation through a large number of experiments
Gas is sufficiently mixed, and combustion efficiency improves 10% or so.It should be noted that be that the applicant passes through a large amount of for above-mentioned achievement
Research obtain, be not the common knowledge of this field.
Preferably, from the lower to the upper, the increasing amplitude of air outlet slit diameter constantly reduces, at a certain position
Start, the amplitude that air outlet slit diameter is gradually reduced is increasing.Find that this sets with numerical simulation study through a large number of experiments
It sets and air and combustion gas is enabled to more fully to mix, improve efficiency of combustion.
Preferably, a certain position is the centre position in 2 short transverse of stove circle.
The VERTICAL TUBE is multiple, and along the center radially outward direction of burner, the distribution of the VERTICAL TUBE is close
It spends smaller and smaller.Numerical simulation and it was found that, along burner center radially outward direction, single vertical pipe
Received heat is smaller and smaller, and the temperature of the VERTICAL TUBE of different location is also different, to cause local heating uneven.Because with
The burning of combustion gas, combustion gas is burnt at middle part first, and the high-temperature gas then generated is moved out from center, therefore middle part is outside
Received heat tapers into, and because outward, then because the increase of diameter causes horizontal component area bigger, leads to unit
The heat of distribution on area is also smaller and smaller, therefore the heat being distributed in each VERTICAL TUBE is caused to reduce.It can cause so not
It is even with position VERTICAL TUBE uneven heating, cause temperature different.VERTICAL TUBE is arranged by the different location in burner in the present invention
Density is different, and the integral heat pipe temperature to make keeps essentially identical, to improve whole heat exchange efficiency, saves material, keeps away
Local damage caused by exempting from non-uniform temperature extends the service life of heat pipe.
Preferably, along the center radially outward direction of burner, the distribution density of the VERTICAL TUBE is smaller and smaller
Amplitude constantly increase.As the variation of VERTICAL TUBE distribution density, the present invention has carried out a large amount of numerical simulation and experiment, from
And obtain the changing rule of above-mentioned VERTICAL TUBE distribution density.By above-mentioned changing rule, material can be saved, while can also
Enough improve 9% or so heat exchange efficiency.
Preferably, the diameter and length of each VERTICAL TUBE 103 are identical.
Preferably, the VERTICAL TUBE 103 is multiple, it is described perpendicular along the center radially outward direction of burner
The caliber of straight tube is smaller and smaller.The reason of concrete reason is with front VERTICAL TUBE distribution density is identical.
Preferably, along the center radially outward direction of burner, the smaller and smaller width of the caliber of the VERTICAL TUBE
Degree is continuous to be increased.The reason of concrete reason is with front VERTICAL TUBE distribution density is identical.
Preferably, the distribution density and length of all VERTICAL TUBEs 103 are all identical.
Preferably, along the center radially outward direction of combustion head 3, the distribution density of the orifice 7 is more next
It is smaller.Ensure that combustion gas is gradually increased externally to intermediate distributed number, a large amount of combustion gas is located at medium position and fully burns, combustion
From middle part burning, then flue gas is discharged from return port 211 when burning so that flue gas can whole heating surfaces heated, ensure
That integrally heats is uniform.
Preferably, along the center radially outward direction of combustion head 3, the distribution density of the orifice 7 is more next
Smaller amplitude is continuously increased.As the variation of orifice distribution density, the present invention has carried out a large amount of numerical simulation and experiment,
To obtain the changing rule of above-mentioned distribution density.By above-mentioned changing rule, it can be further ensured that the uniform of heating.
Preferably, along the center radially outward direction of combustion head 3, the diameter of the orifice 7 is smaller and smaller.
Preferably, along the center radially outward direction of combustion head 3, the diameter of the orifice 7 is smaller and smaller
Amplitude be continuously increased.Main cause with it is as before.
Preferably, as shown in Figure 1, water tank 105 and burner form ball structure, the ball 104 divide for top and
Lower part two parts, top are water tank 105, and lower part is burner.It, can be by heat pipe and the fluid of heat exchange by above-mentioned setting
It is all provided entirely in ball, exterior space can be made full use of in this way, achieve the purpose that compact-sized.
Preferably, as shown in Figure 1, the sectional area on the top is the 50-80% of lower section product, further preferably
60-70%.By above-mentioned area distributions, the heat absorption of heat pipe and heat dissipation can be made to achieve the purpose that uniformly to coordinate.
Preferably, as shown in Figure 1, two heat pipes are arranged in the ball, the vertical portion 101 of the heat pipe 10 is close
Setting.
Fig. 2 illustrates the embodiment of second distribution of the heat pipe in flue.As shown in Fig. 2, 105 section of water tank
For trapezium structure.The upper bottom of trapezium structure is located at the top of vertical portion 101, and bottom is located at horizontal component top.Pass through setting
New-type trapezium structure shown in Fig. 2, can further increase heat exchange efficiency.Because the vertical portion with heat pipe is upward, heat
The vertical portion of pipe constantly participates in exchanging heat, therefore vertical portion temperature of lower highest, by the way that trapezium structure is arranged, can make
Lower part hot water is more, and top hot water is few, achievees the purpose that uniform heat exchange.And by the way that trapezium structure is arranged, it can make external knot
Structure is compact, and exterior space may be implemented to make full use of.Such as other objects can be arranged in the position of trapezium structure waist, such as need
The object to be dried.
Preferably, the upper bottom of the trapezium structure is the 40-60% of bottom, it is further preferred that 50%.
Preferably, it is described it is trapezoidal be isosceles trapezoid.
Further preferably, the trapezoidal bottom and kidney-shaped at angle be 29-67 °, preferably 40-50 °.
By above-mentioned structure optimization, uniform and heat exchange efficiency the raising of heat exchange can be realized to the full extent.
Fig. 6 illustrates the embodiment of third distribution of the heat pipe in flue.As shown in fig. 6, the water tank is rectangle
Structure.The upper bottom of rectangular configuration is located at the top of vertical portion 101.It, can be with by the way that new-type rectangular configuration shown in fig. 6 is arranged
Further such that external structure is compact, exterior space may be implemented to make full use of.Preferably, the long side of the rectangular configuration with
Vertical portion is parallel.
Preferably, the long side of rectangular configuration is 1.5-3 times of short side, preferably 2 times.
Preferably, the short side of rectangular configuration is 0.6-0.8 times of 106 radius of exhaust gases passes, preferably 0.72 times.Pass through
Above-mentioned structure optimization can realize the raising of heat exchange efficiency to the full extent.
In addition, the present invention is used as the evaporation ends of heat pipe by the way that multiple VERTICAL TUBEs 103 are arranged so that each VERTICAL TUBE 103 is made
The absorption of heat is added for independent endothermic tube one by one, also increases the endotherm area of integral heat pipe evaporation ends.
Preferably, the horizontal component 102 is flat tube structure, VERTICAL TUBE 103 is circular tube structure.It is horizontal by being arranged
Part is flat tube structure, can increase the distribution of VERTICAL TUBE 103, further increase the absorption of heat.
Further preferably, horizontal component 102 is semi-circular structure.
Preferably, as shown in figure 4, the VERTICAL TUBE 103 surrounds the center annular Multi-layers distributing of horizontal component 102.
Preferably, VERTICAL TUBE 103 is arranged in axial centerline, along central axis setting multilayer VERTICAL TUBE 103, every layer
The axis of VERTICAL TUBE 103 is identical at a distance from central axis, to be formed using 102 central axis of horizontal component as the circular arc in the center of circle
Structure.
Found by numerical simulation and experiment, distance at the distance between VERTICAL TUBE 103, including same diametrical position and
The distance between adjacent layer cannot be too small, too small that heat pipe distribution can be caused excessive, causes the caloric receptivity of every heat pipe insufficient, excessive
Heat pipe distribution can be caused very little, heat pipe is caused to overheat, therefore the application is summed up next hot by a large amount of numerical simulation and experiment
The distribution for the optimization that pipe VERTICAL TUBE 103 is distributed so that heat pipe can neither recept the caloric deficiency, and it is excessive to recept the caloric.
As shown in figure 8, the internal diameter of the horizontal component is D, the outer diameter of VERTICAL TUBE 103 is d, the adjacent heat of same layer
The circular arc of tube hub axis is N, and the center of circle of the circular arc is the central axis of storage heater, diameter of a circle M2 where same layer, phase
The diameter of a circle M1 of adjacent internal layer, then meet claimed below：
Sin（N）=a-b*S2- c*S, wherein Ln are logarithmic functions, and S=d/ (M2-M1), a, b, c is parameter, and satisfaction is wanted as follows
It asks：
0.795<a<0.805, 0.525<b<0.535,0.895<b<0.905；
Preferably, a=0.803, b=0.529, c=0.903.
Preferably, tapering into M2/D, a is increasing, b, and c is smaller and smaller.
Preferably, 0 °<N<120°.
Preferably, 10 °<N<70°.
Above-mentioned empirical equation is to be obtained by a large amount of numerical simulations and experiment, and pass through verification experimental verification, and error is substantially
Within 3%.
Preferably, the heat absorption capacity 900-1100W of heat pipe, further preferably 1000W；
100-120 degrees Celsius of the temperature of dry rammell, further preferably 110 DEG C.
The internal diameter of horizontal component is that D is 900-1100 millimeters, further preferably 1000 millimeters.
VERTICAL TUBE 103 is 9-10 millimeters, further preferably 9.5mm.
Certainly, Fig. 8 shows only 3 layers of heat pipe, can essentially be more than three layers.M2, M1 of Fig. 8 is also only an act
Example, can essentially be using the heat pipe of central axis as the layer where M1, i.e. M1=0, using current M1 as the layer where M2.
Preferably, as shown in figure 5, communicating pipe 107 is arranged between at least two adjacent VERTICAL TUBEs 103.Under study for action
It was found that during vertical section is absorbed heat, it may appear that the absorption heat of the endothermic tube of different location is different, leads to VERTICAL TUBE 103
Between pressure or temperature it is different, straightened portion pipe 103 can be caused to be heated so excessively high, cause the lost of life, once one
VERTICAL TUBE 103 goes wrong, and entire heat pipe may be caused the problem of can not using occur.The present invention by largely studying,
Communicating pipe 107 is arranged in adjacent VERTICAL TUBE, can make in the case where the heated difference of VERTICAL TUBE leads to pressure difference
Fluid in the big VERTICAL TUBE 103 of pressure quickly flows to the small VERTICAL TUBE 103 of pressure, to keep integral pressure balanced, keeps away
Exempt from hot-spot or supercooling.
Preferably, from 103 lower part of VERTICAL TUBE to 103 top of VERTICAL TUBE, multiple companies are set between adjacent VERTICAL TUBE 103
Siphunculus 107.By the way that multiple communicating pipes are arranged, fluid continuous counterpressure in evaporation process of absorbing heat is enabled to, is ensured whole
Pressure in a VERTICAL TUBE is balanced.
Preferably, from 103 lower part of VERTICAL TUBE to 103 top of VERTICAL TUBE, constantly subtract the distance between adjacent communicating pipe 107
It is small.This purpose is in order to which more communicating pipes are arranged, because of flowing up with flue gas, heat pipe is constantly heated, with stream
Body is constantly heated, heated more and more uneven in different thermal-collecting tubes, therefore by above-mentioned setting, can ensure in fluid stream
Reach pressure equilibrium during dynamic as soon as possible.
Preferably, from 103 lower part of VERTICAL TUBE to 103 top of VERTICAL TUBE, constantly reduce the distance between adjacent communicating pipe
Amplitude it is increasing.It is found through experiments that, above-mentioned setting, can ensure more excellent during flow of flue gas to reach pressure faster
Power is balanced.This is also the best mode of communicating got by largely studying pressure changes in distribution rule.
Preferably, from 103 lower part of VERTICAL TUBE to 103 top of VERTICAL TUBE, the diameter of communicating pipe 107 is continuously increased.This mesh
Be in order to be arranged ensure bigger connection area, because of flowing up with flue gas, fluid is constantly heated, with heat pipe
It is continuous heated, it is heated more and more uneven in different thermal-collecting tubes, therefore by above-mentioned setting, can ensure in flow of flue gas
Reach pressure equilibrium as soon as possible in the process.
Preferably, from 103 lower part of VERTICAL TUBE to 103 top of VERTICAL TUBE, the ever-increasing amplitude of diameter of communicating pipe 107
It is increasing.It is found through experiments that, above-mentioned setting, can ensure that more excellent during flow of flue gas to reach pressure equal faster
Weighing apparatus.This is also the best mode of communicating got by largely studying pressure changes in distribution rule.
Heat pipe horizontal component shown in Fig. 4 is preferably semicircular structure, 400-600 millimeters a diameter of, further preferably
500 millimeters.
103 outside diameter d of VERTICAL TUBE is 9-12 millimeters, further preferably 11mm.
Preferably, as shown in Figure 1, including two heat pipes, the horizontal component 102 of described two heat pipes in the system
It is respectively facing opposite direction and extends by the way that two symmetrical heat pipes are arranged, can absorb heat in different directions, meet heat exchange
Demand.
Preferably, communicating pipe is arranged between the VERTICAL TUBE 103 of adjacent heat pipe.Such as two heat pipes adjacent to each other
Communicating pipe 107 is set between VERTICAL TUBE 103., can be even to avoid uneven heating between heat pipe evaporation ends by the way that communicating pipe is arranged, it is real
Pressure between existing heat pipe is balanced, defect caused by avoiding the uneven heating between different heat pipes even.
Preferably, from 103 lower part of VERTICAL TUBE to 103 top of VERTICAL TUBE, constantly subtract the distance between adjacent communicating pipe 107
It is small.This purpose is in order to which more communicating pipes are arranged, because of flowing up with fluid, fluid is constantly heated, with stream
Body is constantly heated, heated more and more uneven in different heat pipes, therefore by above-mentioned setting, can ensure to flow in fluid
Reach pressure equilibrium as soon as possible in the process.
Preferably, from 103 lower part of VERTICAL TUBE to 103 top of VERTICAL TUBE, constantly subtract the distance between adjacent communicating pipe 107
Small amplitude is increasing.It is found through experiments that, above-mentioned setting, can ensure more excellent in process fluid flow faster to reach
Pressure is balanced.This is also the best mode of communicating got by largely studying pressure changes in distribution rule.
Preferably, from 103 lower part of VERTICAL TUBE to 103 top of VERTICAL TUBE, the diameter of communicating pipe 107 is continuously increased.This mesh
Be in order to be arranged ensure bigger connection area, because of flowing up with fluid, fluid is constantly heated, with fluid
It is continuous heated, it is heated more and more uneven in different heat pipes, therefore by above-mentioned setting, can ensure to flow in fluid
Reach pressure equilibrium in journey as soon as possible.
Preferably, from 103 lower part of VERTICAL TUBE to 103 top of VERTICAL TUBE, the ever-increasing amplitude of diameter of communicating pipe 107
It is increasing.It is found through experiments that, above-mentioned setting, can ensure that more excellent in process fluid flow to reach pressure equal faster
Weighing apparatus.This is also the best mode of communicating got by largely studying pressure changes in distribution rule.
Although the present invention has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology
Personnel can make various changes or modifications, therefore protection scope of the present invention is answered without departing from the spirit and scope of the present invention
When being subject to claim limited range.
Claims (9)
1. a kind of gas steam generator of air outlet diameter change, including water tank and burner, the water tank setting is being burnt
On device, burner includes burner seat, and the stove circle for placing water tank, the burner are installed on the burner seat
The combustion head equipped with several orifices is fixedly mounted in seat, the bottom of the burner seat is equipped with Gas Pipe, the burner seat
It is equipped with the air outlet slit of several supply combustion head combustion adjuvants, the outside of the burner seat is equipped with and the air outlet slit
The intake adit of connection, the intake adit are equipped with air intake；The stove circle, the water tank bottom and the burner seat
Combustion chamber is formed, the stove circle is hollow interlayer, and the internal layer double wall top of the stove circle is equipped with several return air inlets, the stove circle
Internal cavities be connected to the intake adit, which is characterized in that from lower to upper part, multiple air outlet slits are set, from lower part to
Top, air outlet slit diameter was increasing before this, at a certain position, was then gradually reduced.
2. gas steam generator as described in claim 1, which is characterized in that multiple air are arranged from lower to upper part and go out
Mouthful, from the lower to the upper, the increasing amplitude of air outlet slit diameter constantly reduces, and starts at a certain position, air outlet slit
The amplitude that diameter is gradually reduced is increasing.
3. gas steam generator as described in claim 1, which is characterized in that a certain position is in stove circle short transverse
Centre position.
4. gas steam generator as described in claim 1, which is characterized in that further include heat pipe, the water tank include water into
Mouth and steam (vapor) outlet, the heat pipe include vertical portion, horizontal component and VERTICAL TUBE, and the bottom end connection of wherein vertical portion is horizontal
Part, the horizontal component lower part are connected to multiple VERTICAL TUBEs, and wherein VERTICAL TUBE is the evaporation ends of heat pipe, and vertical portion is heat pipe
Condensation end, the vertical portion extend into water tank bottom, and the VERTICAL TUBE and horizontal component are arranged in gas burner；It is described
Heat pipe is at least two, and communicating pipe is arranged between the vertical portion of adjacent heat pipe.
5. steam generator as claimed in claim 4, which is characterized in that from vertical portion lower part to vertical portion top, phase
The distance between adjacent communicating pipe is continuously increased.
6. steam generator as claimed in claim 5, which is characterized in that from vertical portion lower part to vertical portion top, phase
The distance between adjacent communicating pipe, ever-increasing amplitude was increasing.
7. steam generator as claimed in claim 4, which is characterized in that the vertical portion is plank frame.
8. steam generator as claimed in claim 7, which is characterized in that the horizontal component from the bottom end of vertical portion towards
Direction far from vertical portion extends, and the vertical portion is the more pipes for extending to water tank bottom.
9. steam generator as described in claim 1, which is characterized in that the arc-shaped structure of stove circle.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151752.0A CN109945150B (en) | 2018-03-27 | 2018-03-27 | Optimization design method for pipe diameter of air outlet of combustor |
| CN201910151747.XA CN109945149B (en) | 2018-03-27 | 2018-03-27 | Method for optimizing distribution of combustion atomization holes |
| CN201810259487.3A CN108561874B (en) | 2018-03-27 | 2018-03-27 | A kind of gas steam generator of air outlet diameter change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259487.3A CN108561874B (en) | 2018-03-27 | 2018-03-27 | A kind of gas steam generator of air outlet diameter change |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910151752.0A Division CN109945150B (en) | 2018-03-27 | 2018-03-27 | Optimization design method for pipe diameter of air outlet of combustor |
| CN201910151747.XA Division CN109945149B (en) | 2018-03-27 | 2018-03-27 | Method for optimizing distribution of combustion atomization holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108561874A true CN108561874A (en) | 2018-09-21 |
| CN108561874B CN108561874B (en) | 2019-03-22 |
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| CN201910151752.0A Expired - Fee Related CN109945150B (en) | 2018-03-27 | 2018-03-27 | Optimization design method for pipe diameter of air outlet of combustor |
| CN201910151747.XA Expired - Fee Related CN109945149B (en) | 2018-03-27 | 2018-03-27 | Method for optimizing distribution of combustion atomization holes |
| CN201810259487.3A Expired - Fee Related CN108561874B (en) | 2018-03-27 | 2018-03-27 | A kind of gas steam generator of air outlet diameter change |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910151752.0A Expired - Fee Related CN109945150B (en) | 2018-03-27 | 2018-03-27 | Optimization design method for pipe diameter of air outlet of combustor |
| CN201910151747.XA Expired - Fee Related CN109945149B (en) | 2018-03-27 | 2018-03-27 | Method for optimizing distribution of combustion atomization holes |
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| CN111810953B (en) * | 2020-07-17 | 2022-05-03 | 北京泷涛环境科技有限公司 | Self-adjusting steam humidification low-nitrogen integrated combustion device and method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196308A (en) * | 2007-12-20 | 2008-06-11 | 姜亦迎 | Air thermalization gas burner |
| CN201680370U (en) * | 2010-04-13 | 2010-12-22 | 中山市超人电器有限公司 | Inner fire whirl gas-fired burner of household cooker |
| CN201992654U (en) * | 2011-01-10 | 2011-09-28 | 谭景海 | Central fire cover and energy-saving burner using same |
| CN202109479U (en) * | 2011-05-06 | 2012-01-11 | 罗子健 | Blowing type household fuel gas cooker burner |
| CN208282070U (en) * | 2018-03-27 | 2018-12-25 | 山东交通学院 | A kind of gas steam generator of air outlet diameter change |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201152555Y (en) * | 2007-12-20 | 2008-11-19 | 姜亦迎 | Air thermalization gas combustion burner |
| CN102221207B (en) * | 2011-05-18 | 2013-08-14 | 威海正通节能科技有限公司 | Heat collecting type combustor assembly with high efficiency and energy saving |
-
2018
- 2018-03-27 CN CN201910151752.0A patent/CN109945150B/en not_active Expired - Fee Related
- 2018-03-27 CN CN201910151747.XA patent/CN109945149B/en not_active Expired - Fee Related
- 2018-03-27 CN CN201810259487.3A patent/CN108561874B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196308A (en) * | 2007-12-20 | 2008-06-11 | 姜亦迎 | Air thermalization gas burner |
| CN201680370U (en) * | 2010-04-13 | 2010-12-22 | 中山市超人电器有限公司 | Inner fire whirl gas-fired burner of household cooker |
| CN201992654U (en) * | 2011-01-10 | 2011-09-28 | 谭景海 | Central fire cover and energy-saving burner using same |
| CN202109479U (en) * | 2011-05-06 | 2012-01-11 | 罗子健 | Blowing type household fuel gas cooker burner |
| CN208282070U (en) * | 2018-03-27 | 2018-12-25 | 山东交通学院 | A kind of gas steam generator of air outlet diameter change |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109945149A (en) | 2019-06-28 |
| CN109945150B (en) | 2020-07-10 |
| CN108561874B (en) | 2019-03-22 |
| CN109945150A (en) | 2019-06-28 |
| CN109945149B (en) | 2020-07-31 |
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